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(function (window) { 'use strict'; /*global define, module, exports, require */ var c3 = { version: "0.4.10" }; var c3_chart_fn, c3_chart_internal_fn, c3_chart_internal_axis_fn; function API(owner) { this.owner = owner; } function inherit(base, derived) { if (Object.create) { derived.prototype = Object.create(base.prototype); } else { var f = function f() {}; f.prototype = base.prototype; derived.prototype = new f(); } derived.prototype.constructor = derived; return derived; } function Chart(config) { var $$ = this.internal = new ChartInternal(this); $$.loadConfig(config); $$.init(); // bind "this" to nested API (function bindThis(fn, target, argThis) { Object.keys(fn).forEach(function (key) { target[key] = fn[key].bind(argThis); if (Object.keys(fn[key]).length > 0) { bindThis(fn[key], target[key], argThis); } }); })(c3_chart_fn, this, this); } function ChartInternal(api) { var $$ = this; $$.d3 = window.d3 ? window.d3 : typeof require !== 'undefined' ? require("d3") : undefined; $$.api = api; $$.config = $$.getDefaultConfig(); $$.data = {}; $$.cache = {}; $$.axes = {}; } c3.generate = function (config) { return new Chart(config); }; c3.chart = { fn: Chart.prototype, internal: { fn: ChartInternal.prototype, axis: { fn: Axis.prototype } } }; c3_chart_fn = c3.chart.fn; c3_chart_internal_fn = c3.chart.internal.fn; c3_chart_internal_axis_fn = c3.chart.internal.axis.fn; c3_chart_internal_fn.init = function () { var $$ = this, config = $$.config; $$.initParams(); if (config.data_url) { $$.convertUrlToData(config.data_url, config.data_mimeType, config.data_keys, $$.initWithData); } else if (config.data_json) { $$.initWithData($$.convertJsonToData(config.data_json, config.data_keys)); } else if (config.data_rows) { $$.initWithData($$.convertRowsToData(config.data_rows)); } else if (config.data_columns) { $$.initWithData($$.convertColumnsToData(config.data_columns)); } else { throw Error('url or json or rows or columns is required.'); } }; c3_chart_internal_fn.initParams = function () { var $$ = this, d3 = $$.d3, config = $$.config; // MEMO: clipId needs to be unique because it conflicts when multiple charts exist $$.clipId = "c3-" + (+new Date()) + '-clip', $$.clipIdForXAxis = $$.clipId + '-xaxis', $$.clipIdForYAxis = $$.clipId + '-yaxis', $$.clipIdForGrid = $$.clipId + '-grid', $$.clipIdForSubchart = $$.clipId + '-subchart', $$.clipPath = $$.getClipPath($$.clipId), $$.clipPathForXAxis = $$.getClipPath($$.clipIdForXAxis), $$.clipPathForYAxis = $$.getClipPath($$.clipIdForYAxis); $$.clipPathForGrid = $$.getClipPath($$.clipIdForGrid), $$.clipPathForSubchart = $$.getClipPath($$.clipIdForSubchart), $$.dragStart = null; $$.dragging = false; $$.flowing = false; $$.cancelClick = false; $$.mouseover = false; $$.transiting = false; $$.color = $$.generateColor(); $$.levelColor = $$.generateLevelColor(); $$.dataTimeFormat = config.data_xLocaltime ? d3.time.format : d3.time.format.utc; $$.axisTimeFormat = config.axis_x_localtime ? d3.time.format : d3.time.format.utc; $$.defaultAxisTimeFormat = $$.axisTimeFormat.multi([ [".%L", function (d) { return d.getMilliseconds(); }], [":%S", function (d) { return d.getSeconds(); }], ["%I:%M", function (d) { return d.getMinutes(); }], ["%I %p", function (d) { return d.getHours(); }], ["%-m/%-d", function (d) { return d.getDay() && d.getDate() !== 1; }], ["%-m/%-d", function (d) { return d.getDate() !== 1; }], ["%-m/%-d", function (d) { return d.getMonth(); }], ["%Y/%-m/%-d", function () { return true; }] ]); $$.hiddenTargetIds = []; $$.hiddenLegendIds = []; $$.focusedTargetIds = []; $$.defocusedTargetIds = []; $$.xOrient = config.axis_rotated ? "left" : "bottom"; $$.yOrient = config.axis_rotated ? (config.axis_y_inner ? "top" : "bottom") : (config.axis_y_inner ? "right" : "left"); $$.y2Orient = config.axis_rotated ? (config.axis_y2_inner ? "bottom" : "top") : (config.axis_y2_inner ? "left" : "right"); $$.subXOrient = config.axis_rotated ? "left" : "bottom"; $$.isLegendRight = config.legend_position === 'right'; $$.isLegendInset = config.legend_position === 'inset'; $$.isLegendTop = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'top-right'; $$.isLegendLeft = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'bottom-left'; $$.legendStep = 0; $$.legendItemWidth = 0; $$.legendItemHeight = 0; $$.currentMaxTickWidths = { x: 0, y: 0, y2: 0 }; $$.rotated_padding_left = 30; $$.rotated_padding_right = config.axis_rotated && !config.axis_x_show ? 0 : 30; $$.rotated_padding_top = 5; $$.withoutFadeIn = {}; $$.intervalForObserveInserted = undefined; $$.axes.subx = d3.selectAll([]); // needs when excluding subchart.js }; c3_chart_internal_fn.initChartElements = function () { if (this.initBar) { this.initBar(); } if (this.initLine) { this.initLine(); } if (this.initArc) { this.initArc(); } if (this.initGauge) { this.initGauge(); } if (this.initText) { this.initText(); } }; c3_chart_internal_fn.initWithData = function (data) { var $$ = this, d3 = $$.d3, config = $$.config; var defs, main, binding = true; $$.axis = new Axis($$); if ($$.initPie) { $$.initPie(); } if ($$.initBrush) { $$.initBrush(); } if ($$.initZoom) { $$.initZoom(); } if (!config.bindto) { $$.selectChart = d3.selectAll([]); } else if (typeof config.bindto.node === 'function') { $$.selectChart = config.bindto; } else { $$.selectChart = d3.select(config.bindto); } if ($$.selectChart.empty()) { $$.selectChart = d3.select(document.createElement('div')).style('opacity', 0); $$.observeInserted($$.selectChart); binding = false; } $$.selectChart.html("").classed("c3", true); // Init data as targets $$.data.xs = {}; $$.data.targets = $$.convertDataToTargets(data); if (config.data_filter) { $$.data.targets = $$.data.targets.filter(config.data_filter); } // Set targets to hide if needed if (config.data_hide) { $$.addHiddenTargetIds(config.data_hide === true ? $$.mapToIds($$.data.targets) : config.data_hide); } if (config.legend_hide) { $$.addHiddenLegendIds(config.legend_hide === true ? $$.mapToIds($$.data.targets) : config.legend_hide); } // when gauge, hide legend // TODO: fix if ($$.hasType('gauge')) { config.legend_show = false; } // Init sizes and scales $$.updateSizes(); $$.updateScales(); // Set domains for each scale $$.x.domain(d3.extent($$.getXDomain($$.data.targets))); $$.y.domain($$.getYDomain($$.data.targets, 'y')); $$.y2.domain($$.getYDomain($$.data.targets, 'y2')); $$.subX.domain($$.x.domain()); $$.subY.domain($$.y.domain()); $$.subY2.domain($$.y2.domain()); // Save original x domain for zoom update $$.orgXDomain = $$.x.domain(); // Set initialized scales to brush and zoom if ($$.brush) { $$.brush.scale($$.subX); } if (config.zoom_enabled) { $$.zoom.scale($$.x); } /*-- Basic Elements --*/ // Define svgs $$.svg = $$.selectChart.append("svg") .style("overflow", "hidden") .on('mouseenter', function () { return config.onmouseover.call($$); }) .on('mouseleave', function () { return config.onmouseout.call($$); }); // Define defs defs = $$.svg.append("defs"); $$.clipChart = $$.appendClip(defs, $$.clipId); $$.clipXAxis = $$.appendClip(defs, $$.clipIdForXAxis); $$.clipYAxis = $$.appendClip(defs, $$.clipIdForYAxis); $$.clipGrid = $$.appendClip(defs, $$.clipIdForGrid); $$.clipSubchart = $$.appendClip(defs, $$.clipIdForSubchart); $$.updateSvgSize(); // Define regions main = $$.main = $$.svg.append("g").attr("transform", $$.getTranslate('main')); if ($$.initSubchart) { $$.initSubchart(); } if ($$.initTooltip) { $$.initTooltip(); } if ($$.initLegend) { $$.initLegend(); } /*-- Main Region --*/ // text when empty main.append("text") .attr("class", CLASS.text + ' ' + CLASS.empty) .attr("text-anchor", "middle") // horizontal centering of text at x position in all browsers. .attr("dominant-baseline", "middle"); // vertical centering of text at y position in all browsers, except IE. // Regions $$.initRegion(); // Grids $$.initGrid(); // Define g for chart area main.append('g') .attr("clip-path", $$.clipPath) .attr('class', CLASS.chart); // Grid lines if (config.grid_lines_front) { $$.initGridLines(); } // Cover whole with rects for events $$.initEventRect(); // Define g for chart $$.initChartElements(); // if zoom privileged, insert rect to forefront // TODO: is this needed? main.insert('rect', config.zoom_privileged ? null : 'g.' + CLASS.regions) .attr('class', CLASS.zoomRect) .attr('width', $$.width) .attr('height', $$.height) .style('opacity', 0) .on("dblclick.zoom", null); // Set default extent if defined if (config.axis_x_extent) { $$.brush.extent($$.getDefaultExtent()); } // Add Axis $$.axis.init(); // Set targets $$.updateTargets($$.data.targets); // Draw with targets if (binding) { $$.updateDimension(); $$.config.oninit.call($$); $$.redraw({ withTransition: false, withTransform: true, withUpdateXDomain: true, withUpdateOrgXDomain: true, withTransitionForAxis: false }); } // Bind resize event if (window.onresize == null) { window.onresize = $$.generateResize(); } if (window.onresize.add) { window.onresize.add(function () { config.onresize.call($$); }); window.onresize.add(function () { $$.api.flush(); }); window.onresize.add(function () { config.onresized.call($$); }); } // export element of the chart $$.api.element = $$.selectChart.node(); }; c3_chart_internal_fn.smoothLines = function (el, type) { var $$ = this; if (type === 'grid') { el.each(function () { var g = $$.d3.select(this), x1 = g.attr('x1'), x2 = g.attr('x2'), y1 = g.attr('y1'), y2 = g.attr('y2'); g.attr({ 'x1': Math.ceil(x1), 'x2': Math.ceil(x2), 'y1': Math.ceil(y1), 'y2': Math.ceil(y2) }); }); } }; c3_chart_internal_fn.updateSizes = function () { var $$ = this, config = $$.config; var legendHeight = $$.legend ? $$.getLegendHeight() : 0, legendWidth = $$.legend ? $$.getLegendWidth() : 0, legendHeightForBottom = $$.isLegendRight || $$.isLegendInset ? 0 : legendHeight, hasArc = $$.hasArcType(), xAxisHeight = config.axis_rotated || hasArc ? 0 : $$.getHorizontalAxisHeight('x'), subchartHeight = config.subchart_show && !hasArc ? (config.subchart_size_height + xAxisHeight) : 0; $$.currentWidth = $$.getCurrentWidth(); $$.currentHeight = $$.getCurrentHeight(); // for main $$.margin = config.axis_rotated ? { top: $$.getHorizontalAxisHeight('y2') + $$.getCurrentPaddingTop(), right: hasArc ? 0 : $$.getCurrentPaddingRight(), bottom: $$.getHorizontalAxisHeight('y') + legendHeightForBottom + $$.getCurrentPaddingBottom(), left: subchartHeight + (hasArc ? 0 : $$.getCurrentPaddingLeft()) } : { top: 4 + $$.getCurrentPaddingTop(), // for top tick text right: hasArc ? 0 : $$.getCurrentPaddingRight(), bottom: xAxisHeight + subchartHeight + legendHeightForBottom + $$.getCurrentPaddingBottom(), left: hasArc ? 0 : $$.getCurrentPaddingLeft() }; // for subchart $$.margin2 = config.axis_rotated ? { top: $$.margin.top, right: NaN, bottom: 20 + legendHeightForBottom, left: $$.rotated_padding_left } : { top: $$.currentHeight - subchartHeight - legendHeightForBottom, right: NaN, bottom: xAxisHeight + legendHeightForBottom, left: $$.margin.left }; // for legend $$.margin3 = { top: 0, right: NaN, bottom: 0, left: 0 }; if ($$.updateSizeForLegend) { $$.updateSizeForLegend(legendHeight, legendWidth); } $$.width = $$.currentWidth - $$.margin.left - $$.margin.right; $$.height = $$.currentHeight - $$.margin.top - $$.margin.bottom; if ($$.width < 0) { $$.width = 0; } if ($$.height < 0) { $$.height = 0; } $$.width2 = config.axis_rotated ? $$.margin.left - $$.rotated_padding_left - $$.rotated_padding_right : $$.width; $$.height2 = config.axis_rotated ? $$.height : $$.currentHeight - $$.margin2.top - $$.margin2.bottom; if ($$.width2 < 0) { $$.width2 = 0; } if ($$.height2 < 0) { $$.height2 = 0; } // for arc $$.arcWidth = $$.width - ($$.isLegendRight ? legendWidth + 10 : 0); $$.arcHeight = $$.height - ($$.isLegendRight ? 0 : 10); if ($$.hasType('gauge')) { $$.arcHeight += $$.height - $$.getGaugeLabelHeight(); } if ($$.updateRadius) { $$.updateRadius(); } if ($$.isLegendRight && hasArc) { $$.margin3.left = $$.arcWidth / 2 + $$.radiusExpanded * 1.1; } }; c3_chart_internal_fn.updateTargets = function (targets) { var $$ = this; /*-- Main --*/ //-- Text --// $$.updateTargetsForText(targets); //-- Bar --// $$.updateTargetsForBar(targets); //-- Line --// $$.updateTargetsForLine(targets); //-- Arc --// if ($$.hasArcType() && $$.updateTargetsForArc) { $$.updateTargetsForArc(targets); } /*-- Sub --*/ if ($$.updateTargetsForSubchart) { $$.updateTargetsForSubchart(targets); } // Fade-in each chart $$.showTargets(); }; c3_chart_internal_fn.showTargets = function () { var $$ = this; $$.svg.selectAll('.' + CLASS.target).filter(function (d) { return $$.isTargetToShow(d.id); }) .transition().duration($$.config.transition_duration) .style("opacity", 1); }; c3_chart_internal_fn.redraw = function (options, transitions) { var $$ = this, main = $$.main, d3 = $$.d3, config = $$.config; var areaIndices = $$.getShapeIndices($$.isAreaType), barIndices = $$.getShapeIndices($$.isBarType), lineIndices = $$.getShapeIndices($$.isLineType); var withY, withSubchart, withTransition, withTransitionForExit, withTransitionForAxis, withTransform, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain, withLegend, withEventRect, withDimension, withUpdateXAxis; var hideAxis = $$.hasArcType(); var drawArea, drawBar, drawLine, xForText, yForText; var duration, durationForExit, durationForAxis; var waitForDraw, flow; var targetsToShow = $$.filterTargetsToShow($$.data.targets), tickValues, i, intervalForCulling, xDomainForZoom; var xv = $$.xv.bind($$), cx, cy; options = options || {}; withY = getOption(options, "withY", true); withSubchart = getOption(options, "withSubchart", true); withTransition = getOption(options, "withTransition", true); withTransform = getOption(options, "withTransform", false); withUpdateXDomain = getOption(options, "withUpdateXDomain", false); withUpdateOrgXDomain = getOption(options, "withUpdateOrgXDomain", false); withTrimXDomain = getOption(options, "withTrimXDomain", true); withUpdateXAxis = getOption(options, "withUpdateXAxis", withUpdateXDomain); withLegend = getOption(options, "withLegend", false); withEventRect = getOption(options, "withEventRect", true); withDimension = getOption(options, "withDimension", true); withTransitionForExit = getOption(options, "withTransitionForExit", withTransition); withTransitionForAxis = getOption(options, "withTransitionForAxis", withTransition); duration = withTransition ? config.transition_duration : 0; durationForExit = withTransitionForExit ? duration : 0; durationForAxis = withTransitionForAxis ? duration : 0; transitions = transitions || $$.axis.generateTransitions(durationForAxis); // update legend and transform each g if (withLegend && config.legend_show) { $$.updateLegend($$.mapToIds($$.data.targets), options, transitions); } else if (withDimension) { // need to update dimension (e.g. axis.y.tick.values) because y tick values should change // no need to update axis in it because they will be updated in redraw() $$.updateDimension(true); } // MEMO: needed for grids calculation if ($$.isCategorized() && targetsToShow.length === 0) { $$.x.domain([0, $$.axes.x.selectAll('.tick').size()]); } if (targetsToShow.length) { $$.updateXDomain(targetsToShow, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain); if (!config.axis_x_tick_values) { tickValues = $$.axis.updateXAxisTickValues(targetsToShow); } } else { $$.xAxis.tickValues([]); $$.subXAxis.tickValues([]); } if (config.zoom_rescale && !options.flow) { xDomainForZoom = $$.x.orgDomain(); } $$.y.domain($$.getYDomain(targetsToShow, 'y', xDomainForZoom)); $$.y2.domain($$.getYDomain(targetsToShow, 'y2', xDomainForZoom)); if (!config.axis_y_tick_values && config.axis_y_tick_count) { $$.yAxis.tickValues($$.axis.generateTickValues($$.y.domain(), config.axis_y_tick_count)); } if (!config.axis_y2_tick_values && config.axis_y2_tick_count) { $$.y2Axis.tickValues($$.axis.generateTickValues($$.y2.domain(), config.axis_y2_tick_count)); } // axes $$.axis.redraw(transitions, hideAxis); // Update axis label $$.axis.updateLabels(withTransition); // show/hide if manual culling needed if ((withUpdateXDomain || withUpdateXAxis) && targetsToShow.length) { if (config.axis_x_tick_culling && tickValues) { for (i = 1; i < tickValues.length; i++) { if (tickValues.length / i < config.axis_x_tick_culling_max) { intervalForCulling = i; break; } } $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').each(function (e) { var index = tickValues.indexOf(e); if (index >= 0) { d3.select(this).style('display', index % intervalForCulling ? 'none' : 'block'); } }); } else { $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').style('display', 'block'); } } // setup drawer - MEMO: these must be called after axis updated drawArea = $$.generateDrawArea ? $$.generateDrawArea(areaIndices, false) : undefined; drawBar = $$.generateDrawBar ? $$.generateDrawBar(barIndices) : undefined; drawLine = $$.generateDrawLine ? $$.generateDrawLine(lineIndices, false) : undefined; xForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, true); yForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, false); // Update sub domain if (withY) { $$.subY.domain($$.getYDomain(targetsToShow, 'y')); $$.subY2.domain($$.getYDomain(targetsToShow, 'y2')); } // tooltip $$.tooltip.style("display", "none"); // xgrid focus $$.updateXgridFocus(); // Data empty label positioning and text. main.select("text." + CLASS.text + '.' + CLASS.empty) .attr("x", $$.width / 2) .attr("y", $$.height / 2) .text(config.data_empty_label_text) .transition() .style('opacity', targetsToShow.length ? 0 : 1); // grid $$.updateGrid(duration); // rect for regions $$.updateRegion(duration); // bars $$.updateBar(durationForExit); // lines, areas and cricles $$.updateLine(durationForExit); $$.updateArea(durationForExit); $$.updateCircle(); // text if ($$.hasDataLabel()) { $$.updateText(durationForExit); } // arc if ($$.redrawArc) { $$.redrawArc(duration, durationForExit, withTransform); } // subchart if ($$.redrawSubchart) { $$.redrawSubchart(withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices); } // circles for select main.selectAll('.' + CLASS.selectedCircles) .filter($$.isBarType.bind($$)) .selectAll('circle') .remove(); // event rects will redrawn when flow called if (config.interaction_enabled && !options.flow && withEventRect) { $$.redrawEventRect(); if ($$.updateZoom) { $$.updateZoom(); } } // update circleY based on updated parameters $$.updateCircleY(); // generate circle x/y functions depending on updated params cx = ($$.config.axis_rotated ? $$.circleY : $$.circleX).bind($$); cy = ($$.config.axis_rotated ? $$.circleX : $$.circleY).bind($$); if (options.flow) { flow = $$.generateFlow({ targets: targetsToShow, flow: options.flow, duration: options.flow.duration, drawBar: drawBar, drawLine: drawLine, drawArea: drawArea, cx: cx, cy: cy, xv: xv, xForText: xForText, yForText: yForText }); } if ((duration || flow) && $$.isTabVisible()) { // Only use transition if tab visible. See #938. // transition should be derived from one transition d3.transition().duration(duration).each(function () { var transitionsToWait = []; // redraw and gather transitions [ $$.redrawBar(drawBar, true), $$.redrawLine(drawLine, true), $$.redrawArea(drawArea, true), $$.redrawCircle(cx, cy, true), $$.redrawText(xForText, yForText, options.flow, true), $$.redrawRegion(true), $$.redrawGrid(true), ].forEach(function (transitions) { transitions.forEach(function (transition) { transitionsToWait.push(transition); }); }); // Wait for end of transitions to call flow and onrendered callback waitForDraw = $$.generateWait(); transitionsToWait.forEach(function (t) { waitForDraw.add(t); }); }) .call(waitForDraw, function () { if (flow) { flow(); } if (config.onrendered) { config.onrendered.call($$); } }); } else { $$.redrawBar(drawBar); $$.redrawLine(drawLine); $$.redrawArea(drawArea); $$.redrawCircle(cx, cy); $$.redrawText(xForText, yForText, options.flow); $$.redrawRegion(); $$.redrawGrid(); if (config.onrendered) { config.onrendered.call($$); } } // update fadein condition $$.mapToIds($$.data.targets).forEach(function (id) { $$.withoutFadeIn[id] = true; }); }; c3_chart_internal_fn.updateAndRedraw = function (options) { var $$ = this, config = $$.config, transitions; options = options || {}; // same with redraw options.withTransition = getOption(options, "withTransition", true); options.withTransform = getOption(options, "withTransform", false); options.withLegend = getOption(options, "withLegend", false); // NOT same with redraw options.withUpdateXDomain = true; options.withUpdateOrgXDomain = true; options.withTransitionForExit = false; options.withTransitionForTransform = getOption(options, "withTransitionForTransform", options.withTransition); // MEMO: this needs to be called before updateLegend and it means this ALWAYS needs to be called) $$.updateSizes(); // MEMO: called in updateLegend in redraw if withLegend if (!(options.withLegend && config.legend_show)) { transitions = $$.axis.generateTransitions(options.withTransitionForAxis ? config.transition_duration : 0); // Update scales $$.updateScales(); $$.updateSvgSize(); // Update g positions $$.transformAll(options.withTransitionForTransform, transitions); } // Draw with new sizes & scales $$.redraw(options, transitions); }; c3_chart_internal_fn.redrawWithoutRescale = function () { this.redraw({ withY: false, withSubchart: false, withEventRect: false, withTransitionForAxis: false }); }; c3_chart_internal_fn.isTimeSeries = function () { return this.config.axis_x_type === 'timeseries'; }; c3_chart_internal_fn.isCategorized = function () { return this.config.axis_x_type.indexOf('categor') >= 0; }; c3_chart_internal_fn.isCustomX = function () { var $$ = this, config = $$.config; return !$$.isTimeSeries() && (config.data_x || notEmpty(config.data_xs)); }; c3_chart_internal_fn.isTimeSeriesY = function () { return this.config.axis_y_type === 'timeseries'; }; c3_chart_internal_fn.getTranslate = function (target) { var $$ = this, config = $$.config, x, y; if (target === 'main') { x = asHalfPixel($$.margin.left); y = asHalfPixel($$.margin.top); } else if (target === 'context') { x = asHalfPixel($$.margin2.left); y = asHalfPixel($$.margin2.top); } else if (target === 'legend') { x = $$.margin3.left; y = $$.margin3.top; } else if (target === 'x') { x = 0; y = config.axis_rotated ? 0 : $$.height; } else if (target === 'y') { x = 0; y = config.axis_rotated ? $$.height : 0; } else if (target === 'y2') { x = config.axis_rotated ? 0 : $$.width; y = config.axis_rotated ? 1 : 0; } else if (target === 'subx') { x = 0; y = config.axis_rotated ? 0 : $$.height2; } else if (target === 'arc') { x = $$.arcWidth / 2; y = $$.arcHeight / 2; } return "translate(" + x + "," + y + ")"; }; c3_chart_internal_fn.initialOpacity = function (d) { return d.value !== null && this.withoutFadeIn[d.id] ? 1 : 0; }; c3_chart_internal_fn.initialOpacityForCircle = function (d) { return d.value !== null && this.withoutFadeIn[d.id] ? this.opacityForCircle(d) : 0; }; c3_chart_internal_fn.opacityForCircle = function (d) { var opacity = this.config.point_show ? 1 : 0; return isValue(d.value) ? (this.isScatterType(d) ? 0.5 : opacity) : 0; }; c3_chart_internal_fn.opacityForText = function () { return this.hasDataLabel() ? 1 : 0; }; c3_chart_internal_fn.xx = function (d) { return d ? this.x(d.x) : null; }; c3_chart_internal_fn.xv = function (d) { var $$ = this, value = d.value; if ($$.isTimeSeries()) { value = $$.parseDate(d.value); } else if ($$.isCategorized() && typeof d.value === 'string') { value = $$.config.axis_x_categories.indexOf(d.value); } return Math.ceil($$.x(value)); }; c3_chart_internal_fn.yv = function (d) { var $$ = this, yScale = d.axis && d.axis === 'y2' ? $$.y2 : $$.y; return Math.ceil(yScale(d.value)); }; c3_chart_internal_fn.subxx = function (d) { return d ? this.subX(d.x) : null; }; c3_chart_internal_fn.transformMain = function (withTransition, transitions) { var $$ = this, xAxis, yAxis, y2Axis; if (transitions && transitions.axisX) { xAxis = transitions.axisX; } else { xAxis = $$.main.select('.' + CLASS.axisX); if (withTransition) { xAxis = xAxis.transition(); } } if (transitions && transitions.axisY) { yAxis = transitions.axisY; } else { yAxis = $$.main.select('.' + CLASS.axisY); if (withTransition) { yAxis = yAxis.transition(); } } if (transitions && transitions.axisY2) { y2Axis = transitions.axisY2; } else { y2Axis = $$.main.select('.' + CLASS.axisY2); if (withTransition) { y2Axis = y2Axis.transition(); } } (withTransition ? $$.main.transition() : $$.main).attr("transform", $$.getTranslate('main')); xAxis.attr("transform", $$.getTranslate('x')); yAxis.attr("transform", $$.getTranslate('y')); y2Axis.attr("transform", $$.getTranslate('y2')); $$.main.select('.' + CLASS.chartArcs).attr("transform", $$.getTranslate('arc')); }; c3_chart_internal_fn.transformAll = function (withTransition, transitions) { var $$ = this; $$.transformMain(withTransition, transitions); if ($$.config.subchart_show) { $$.transformContext(withTransition, transitions); } if ($$.legend) { $$.transformLegend(withTransition); } }; c3_chart_internal_fn.updateSvgSize = function () { var $$ = this, brush = $$.svg.select(".c3-brush .background"); $$.svg.attr('width', $$.currentWidth).attr('height', $$.currentHeight); $$.svg.selectAll(['#' + $$.clipId, '#' + $$.clipIdForGrid]).select('rect') .attr('width', $$.width) .attr('height', $$.height); $$.svg.select('#' + $$.clipIdForXAxis).select('rect') .attr('x', $$.getXAxisClipX.bind($$)) .attr('y', $$.getXAxisClipY.bind($$)) .attr('width', $$.getXAxisClipWidth.bind($$)) .attr('height', $$.getXAxisClipHeight.bind($$)); $$.svg.select('#' + $$.clipIdForYAxis).select('rect') .attr('x', $$.getYAxisClipX.bind($$)) .attr('y', $$.getYAxisClipY.bind($$)) .attr('width', $$.getYAxisClipWidth.bind($$)) .attr('height', $$.getYAxisClipHeight.bind($$)); $$.svg.select('#' + $$.clipIdForSubchart).select('rect') .attr('width', $$.width) .attr('height', brush.size() ? brush.attr('height') : 0); $$.svg.select('.' + CLASS.zoomRect) .attr('width', $$.width) .attr('height', $$.height); // MEMO: parent div's height will be bigger than svg when <!DOCTYPE html> $$.selectChart.style('max-height', $$.currentHeight + "px"); }; c3_chart_internal_fn.updateDimension = function (withoutAxis) { var $$ = this; if (!withoutAxis) { if ($$.config.axis_rotated) { $$.axes.x.call($$.xAxis); $$.axes.subx.call($$.subXAxis); } else { $$.axes.y.call($$.yAxis); $$.axes.y2.call($$.y2Axis); } } $$.updateSizes(); $$.updateScales(); $$.updateSvgSize(); $$.transformAll(false); }; c3_chart_internal_fn.observeInserted = function (selection) { var $$ = this, observer; if (typeof MutationObserver === 'undefined') { window.console.error("MutationObserver not defined."); return; } observer= new MutationObserver(function (mutations) { mutations.forEach(function (mutation) { if (mutation.type === 'childList' && mutation.previousSibling) { observer.disconnect(); // need to wait for completion of load because size calculation requires the actual sizes determined after that completion $$.intervalForObserveInserted = window.setInterval(function () { // parentNode will NOT be null when completed if (selection.node().parentNode) { window.clearInterval($$.intervalForObserveInserted); $$.updateDimension(); $$.config.oninit.call($$); $$.redraw({ withTransform: true, withUpdateXDomain: true, withUpdateOrgXDomain: true, withTransition: false, withTransitionForTransform: false, withLegend: true }); selection.transition().style('opacity', 1); } }, 10); } }); }); observer.observe(selection.node(), {attributes: true, childList: true, characterData: true}); }; c3_chart_internal_fn.generateResize = function () { var resizeFunctions = []; function callResizeFunctions() { resizeFunctions.forEach(function (f) { f(); }); } callResizeFunctions.add = function (f) { resizeFunctions.push(f); }; return callResizeFunctions; }; c3_chart_internal_fn.endall = function (transition, callback) { var n = 0; transition .each(function () { ++n; }) .each("end", function () { if (!--n) { callback.apply(this, arguments); } }); }; c3_chart_internal_fn.generateWait = function () { var transitionsToWait = [], f = function (transition, callback) { var timer = setInterval(function () { var done = 0; transitionsToWait.forEach(function (t) { if (t.empty()) { done += 1; return; } try { t.transition(); } catch (e) { done += 1; } }); if (done === transitionsToWait.length) { clearInterval(timer); if (callback) { callback(); } } }, 10); }; f.add = function (transition) { transitionsToWait.push(transition); }; return f; }; c3_chart_internal_fn.parseDate = function (date) { var $$ = this, parsedDate; if (date instanceof Date) { parsedDate = date; } else if (typeof date === 'string') { parsedDate = $$.dataTimeFormat($$.config.data_xFormat).parse(date); } else if (typeof date === 'number' || !isNaN(date)) { parsedDate = new Date(+date); } if (!parsedDate || isNaN(+parsedDate)) { window.console.error("Failed to parse x '" + date + "' to Date object"); } return parsedDate; }; c3_chart_internal_fn.isTabVisible = function () { var hidden; if (typeof document.hidden !== "undefined") { // Opera 12.10 and Firefox 18 and later support hidden = "hidden"; } else if (typeof document.mozHidden !== "undefined") { hidden = "mozHidden"; } else if (typeof document.msHidden !== "undefined") { hidden = "msHidden"; } else if (typeof document.webkitHidden !== "undefined") { hidden = "webkitHidden"; } return document[hidden] ? false : true; }; c3_chart_internal_fn.getDefaultConfig = function () { var config = { bindto: '#chart', size_width: undefined, size_height: undefined, padding_left: undefined, padding_right: undefined, padding_top: undefined, padding_bottom: undefined, zoom_enabled: false, zoom_extent: undefined, zoom_privileged: false, zoom_rescale: false, zoom_onzoom: function () {}, zoom_onzoomstart: function () {}, zoom_onzoomend: function () {}, interaction_enabled: true, onmouseover: function () {}, onmouseout: function () {}, onresize: function () {}, onresized: function () {}, oninit: function () {}, onrendered: function () {}, transition_duration: 350, data_x: undefined, data_xs: {}, data_xFormat: '%Y-%m-%d', data_xLocaltime: true, data_xSort: true, data_idConverter: function (id) { return id; }, data_names: {}, data_classes: {}, data_groups: [], data_axes: {}, data_type: undefined, data_types: {}, data_labels: {}, data_order: 'desc', data_regions: {}, data_color: undefined, data_colors: {}, data_hide: false, data_filter: undefined, data_selection_enabled: false, data_selection_grouped: false, data_selection_isselectable: function () { return true; }, data_selection_multiple: true, data_selection_draggable: false, data_onclick: function () {}, data_onmouseover: function () {}, data_onmouseout: function () {}, data_onselected: function () {}, data_onunselected: function () {}, data_url: undefined, data_json: undefined, data_rows: undefined, data_columns: undefined, data_mimeType: undefined, data_keys: undefined, // configuration for no plot-able data supplied. data_empty_label_text: "", // subchart subchart_show: false, subchart_size_height: 60, subchart_onbrush: function () {}, // color color_pattern: [], color_threshold: {}, // legend legend_show: true, legend_hide: false, legend_position: 'bottom', legend_inset_anchor: 'top-left', legend_inset_x: 10, legend_inset_y: 0, legend_inset_step: undefined, legend_item_onclick: undefined, legend_item_onmouseover: undefined, legend_item_onmouseout: undefined, legend_equally: false, // axis axis_rotated: false, axis_x_show: true, axis_x_type: 'indexed', axis_x_localtime: true, axis_x_categories: [], axis_x_tick_centered: false, axis_x_tick_format: undefined, axis_x_tick_culling: {}, axis_x_tick_culling_max: 10, axis_x_tick_count: undefined, axis_x_tick_fit: true, axis_x_tick_values: null, axis_x_tick_rotate: 0, axis_x_tick_outer: true, axis_x_tick_multiline: true, axis_x_tick_width: null, axis_x_max: undefined, axis_x_min: undefined, axis_x_padding: {}, axis_x_height: undefined, axis_x_extent: undefined, axis_x_label: {}, axis_y_show: true, axis_y_type: undefined, axis_y_max: undefined, axis_y_min: undefined, axis_y_inverted: false, axis_y_center: undefined, axis_y_inner: undefined, axis_y_label: {}, axis_y_tick_format: undefined, axis_y_tick_outer: true, axis_y_tick_values: null, axis_y_tick_count: undefined, axis_y_tick_time_value: undefined, axis_y_tick_time_interval: undefined, axis_y_padding: {}, axis_y_default: undefined, axis_y2_show: false, axis_y2_max: undefined, axis_y2_min: undefined, axis_y2_inverted: false, axis_y2_center: undefined, axis_y2_inner: undefined, axis_y2_label: {}, axis_y2_tick_format: undefined, axis_y2_tick_outer: true, axis_y2_tick_values: null, axis_y2_tick_count: undefined, axis_y2_padding: {}, axis_y2_default: undefined, // grid grid_x_show: false, grid_x_type: 'tick', grid_x_lines: [], grid_y_show: false, // not used // grid_y_type: 'tick', grid_y_lines: [], grid_y_ticks: 10, grid_focus_show: true, grid_lines_front: true, // point - point of each data point_show: true, point_r: 2.5, point_focus_expand_enabled: true, point_focus_expand_r: undefined, point_select_r: undefined, // line line_connectNull: false, line_step_type: 'step', // bar bar_width: undefined, bar_width_ratio: 0.6, bar_width_max: undefined, bar_zerobased: true, // area area_zerobased: true, // pie pie_label_show: true, pie_label_format: undefined, pie_label_threshold: 0.05, pie_expand: true, // gauge gauge_label_show: true, gauge_label_format: undefined, gauge_expand: true, gauge_min: 0, gauge_max: 100, gauge_units: undefined, gauge_width: undefined, // donut donut_label_show: true, donut_label_format: undefined, donut_label_threshold: 0.05, donut_width: undefined, donut_expand: true, donut_title: "", // region - region to change style regions: [], // tooltip - show when mouseover on each data tooltip_show: true, tooltip_grouped: true, tooltip_format_title: undefined, tooltip_format_name: undefined, tooltip_format_value: undefined, tooltip_position: undefined, tooltip_contents: function (d, defaultTitleFormat, defaultValueFormat, color) { return this.getTooltipContent ? this.getTooltipContent(d, defaultTitleFormat, defaultValueFormat, color) : ''; }, tooltip_init_show: false, tooltip_init_x: 0, tooltip_init_position: {top: '0px', left: '50px'} }; Object.keys(this.additionalConfig).forEach(function (key) { config[key] = this.additionalConfig[key]; }, this); return config; }; c3_chart_internal_fn.additionalConfig = {}; c3_chart_internal_fn.loadConfig = function (config) { var this_config = this.config, target, keys, read; function find() { var key = keys.shift(); // console.log("key =>", key, ", target =>", target); if (key && target && typeof target === 'object' && key in target) { target = target[key]; return find(); } else if (!key) { return target; } else { return undefined; } } Object.keys(this_config).forEach(function (key) { target = config; keys = key.split('_'); read = find(); // console.log("CONFIG : ", key, read); if (isDefined(read)) { this_config[key] = read; } }); }; c3_chart_internal_fn.getScale = function (min, max, forTimeseries) { return (forTimeseries ? this.d3.time.scale() : this.d3.scale.linear()).range([min, max]); }; c3_chart_internal_fn.getX = function (min, max, domain, offset) { var $$ = this, scale = $$.getScale(min, max, $$.isTimeSeries()), _scale = domain ? scale.domain(domain) : scale, key; // Define customized scale if categorized axis if ($$.isCategorized()) { offset = offset || function () { return 0; }; scale = function (d, raw) { var v = _scale(d) + offset(d); return raw ? v : Math.ceil(v); }; } else { scale = function (d, raw) { var v = _scale(d); return raw ? v : Math.ceil(v); }; } // define functions for (key in _scale) { scale[key] = _scale[key]; } scale.orgDomain = function () { return _scale.domain(); }; // define custom domain() for categorized axis if ($$.isCategorized()) { scale.domain = function (domain) { if (!arguments.length) { domain = this.orgDomain(); return [domain[0], domain[1] + 1]; } _scale.domain(domain); return scale; }; } return scale; }; c3_chart_internal_fn.getY = function (min, max, domain) { var scale = this.getScale(min, max, this.isTimeSeriesY()); if (domain) { scale.domain(domain); } return scale; }; c3_chart_internal_fn.getYScale = function (id) { return this.axis.getId(id) === 'y2' ? this.y2 : this.y; }; c3_chart_internal_fn.getSubYScale = function (id) { return this.axis.getId(id) === 'y2' ? this.subY2 : this.subY; }; c3_chart_internal_fn.updateScales = function () { var $$ = this, config = $$.config, forInit = !$$.x; // update edges $$.xMin = config.axis_rotated ? 1 : 0; $$.xMax = config.axis_rotated ? $$.height : $$.width; $$.yMin = config.axis_rotated ? 0 : $$.height; $$.yMax = config.axis_rotated ? $$.width : 1; $$.subXMin = $$.xMin; $$.subXMax = $$.xMax; $$.subYMin = config.axis_rotated ? 0 : $$.height2; $$.subYMax = config.axis_rotated ? $$.width2 : 1; // update scales $$.x = $$.getX($$.xMin, $$.xMax, forInit ? undefined : $$.x.orgDomain(), function () { return $$.xAxis.tickOffset(); }); $$.y = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y_default : $$.y.domain()); $$.y2 = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y2_default : $$.y2.domain()); $$.subX = $$.getX($$.xMin, $$.xMax, $$.orgXDomain, function (d) { return d % 1 ? 0 : $$.subXAxis.tickOffset(); }); $$.subY = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y_default : $$.subY.domain()); $$.subY2 = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y2_default : $$.subY2.domain()); // update axes $$.xAxisTickFormat = $$.axis.getXAxisTickFormat(); $$.xAxisTickValues = $$.axis.getXAxisTickValues(); $$.yAxisTickValues = $$.axis.getYAxisTickValues(); $$.y2AxisTickValues = $$.axis.getY2AxisTickValues(); $$.xAxis = $$.axis.getXAxis($$.x, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer); $$.subXAxis = $$.axis.getXAxis($$.subX, $$.subXOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer); $$.yAxis = $$.axis.getYAxis($$.y, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, config.axis_y_tick_outer); $$.y2Axis = $$.axis.getYAxis($$.y2, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, config.axis_y2_tick_outer); // Set initialized scales to brush and zoom if (!forInit) { if ($$.brush) { $$.brush.scale($$.subX); } if (config.zoom_enabled) { $$.zoom.scale($$.x); } } // update for arc if ($$.updateArc) { $$.updateArc(); } }; c3_chart_internal_fn.getYDomainMin = function (targets) { var $$ = this, config = $$.config, ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets), j, k, baseId, idsInGroup, id, hasNegativeValue; if (config.data_groups.length > 0) { hasNegativeValue = $$.hasNegativeValueInTargets(targets); for (j = 0; j < config.data_groups.length; j++) { // Determine baseId idsInGroup = config.data_groups[j].filter(function (id) { return ids.indexOf(id) >= 0; }); if (idsInGroup.length === 0) { continue; } baseId = idsInGroup[0]; // Consider negative values if (hasNegativeValue && ys[baseId]) { ys[baseId].forEach(function (v, i) { ys[baseId][i] = v < 0 ? v : 0; }); } // Compute min for (k = 1; k < idsInGroup.length; k++) { id = idsInGroup[k]; if (! ys[id]) { continue; } ys[id].forEach(function (v, i) { if ($$.axis.getId(id) === $$.axis.getId(baseId) && ys[baseId] && !(hasNegativeValue && +v > 0)) { ys[baseId][i] += +v; } }); } } } return $$.d3.min(Object.keys(ys).map(function (key) { return $$.d3.min(ys[key]); })); }; c3_chart_internal_fn.getYDomainMax = function (targets) { var $$ = this, config = $$.config, ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets), j, k, baseId, idsInGroup, id, hasPositiveValue; if (config.data_groups.length > 0) { hasPositiveValue = $$.hasPositiveValueInTargets(targets); for (j = 0; j < config.data_groups.length; j++) { // Determine baseId idsInGroup = config.data_groups[j].filter(function (id) { return ids.indexOf(id) >= 0; }); if (idsInGroup.length === 0) { continue; } baseId = idsInGroup[0]; // Consider positive values if (hasPositiveValue && ys[baseId]) { ys[baseId].forEach(function (v, i) { ys[baseId][i] = v > 0 ? v : 0; }); } // Compute max for (k = 1; k < idsInGroup.length; k++) { id = idsInGroup[k]; if (! ys[id]) { continue; } ys[id].forEach(function (v, i) { if ($$.axis.getId(id) === $$.axis.getId(baseId) && ys[baseId] && !(hasPositiveValue && +v < 0)) { ys[baseId][i] += +v; } }); } } } return $$.d3.max(Object.keys(ys).map(function (key) { return $$.d3.max(ys[key]); })); }; c3_chart_internal_fn.getYDomain = function (targets, axisId, xDomain) { var $$ = this, config = $$.config, targetsByAxisId = targets.filter(function (t) { return $$.axis.getId(t.id) === axisId; }), yTargets = xDomain ? $$.filterByXDomain(targetsByAxisId, xDomain) : targetsByAxisId, yMin = axisId === 'y2' ? config.axis_y2_min : config.axis_y_min, yMax = axisId === 'y2' ? config.axis_y2_max : config.axis_y_max, yDomainMin = $$.getYDomainMin(yTargets), yDomainMax = $$.getYDomainMax(yTargets), domain, domainLength, padding, padding_top, padding_bottom, center = axisId === 'y2' ? config.axis_y2_center : config.axis_y_center, yDomainAbs, lengths, diff, ratio, isAllPositive, isAllNegative, isZeroBased = ($$.hasType('bar', yTargets) && config.bar_zerobased) || ($$.hasType('area', yTargets) && config.area_zerobased), isInverted = axisId === 'y2' ? config.axis_y2_inverted : config.axis_y_inverted, showHorizontalDataLabel = $$.hasDataLabel() && config.axis_rotated, showVerticalDataLabel = $$.hasDataLabel() && !config.axis_rotated; // MEMO: avoid inverting domain unexpectedly yDomainMin = isValue(yMin) ? yMin : isValue(yMax) ? (yDomainMin < yMax ? yDomainMin : yMax - 10) : yDomainMin; yDomainMax = isValue(yMax) ? yMax : isValue(yMin) ? (yMin < yDomainMax ? yDomainMax : yMin + 10) : yDomainMax; if (yTargets.length === 0) { // use current domain if target of axisId is none return axisId === 'y2' ? $$.y2.domain() : $$.y.domain(); } if (isNaN(yDomainMin)) { // set minimum to zero when not number yDomainMin = 0; } if (isNaN(yDomainMax)) { // set maximum to have same value as yDomainMin yDomainMax = yDomainMin; } if (yDomainMin === yDomainMax) { yDomainMin < 0 ? yDomainMax = 0 : yDomainMin = 0; } isAllPositive = yDomainMin >= 0 && yDomainMax >= 0; isAllNegative = yDomainMin <= 0 && yDomainMax <= 0; // Cancel zerobased if axis_*_min / axis_*_max specified if ((isValue(yMin) && isAllPositive) || (isValue(yMax) && isAllNegative)) { isZeroBased = false; } // Bar/Area chart should be 0-based if all positive|negative if (isZeroBased) { if (isAllPositive) { yDomainMin = 0; } if (isAllNegative) { yDomainMax = 0; } } domainLength = Math.abs(yDomainMax - yDomainMin); padding = padding_top = padding_bottom = domainLength * 0.1; if (typeof center !== 'undefined') { yDomainAbs = Math.max(Math.abs(yDomainMin), Math.abs(yDomainMax)); yDomainMax = center + yDomainAbs; yDomainMin = center - yDomainAbs; } // add padding for data label if (showHorizontalDataLabel) { lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'width'); diff = diffDomain($$.y.range()); ratio = [lengths[0] / diff, lengths[1] / diff]; padding_top += domainLength * (ratio[1] / (1 - ratio[0] - ratio[1])); padding_bottom += domainLength * (ratio[0] / (1 - ratio[0] - ratio[1])); } else if (showVerticalDataLabel) { lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'height'); padding_top += $$.axis.convertPixelsToAxisPadding(lengths[1], domainLength); padding_bottom += $$.axis.convertPixelsToAxisPadding(lengths[0], domainLength); } if (axisId === 'y' && notEmpty(config.axis_y_padding)) { padding_top = $$.axis.getPadding(config.axis_y_padding, 'top', padding_top, domainLength); padding_bottom = $$.axis.getPadding(config.axis_y_padding, 'bottom', padding_bottom, domainLength); } if (axisId === 'y2' && notEmpty(config.axis_y2_padding)) { padding_top = $$.axis.getPadding(config.axis_y2_padding, 'top', padding_top, domainLength); padding_bottom = $$.axis.getPadding(config.axis_y2_padding, 'bottom', padding_bottom, domainLength); } // Bar/Area chart should be 0-based if all positive|negative if (isZeroBased) { if (isAllPositive) { padding_bottom = yDomainMin; } if (isAllNegative) { padding_top = -yDomainMax; } } domain = [yDomainMin - padding_bottom, yDomainMax + padding_top]; return isInverted ? domain.reverse() : domain; }; c3_chart_internal_fn.getXDomainMin = function (targets) { var $$ = this, config = $$.config; return isDefined(config.axis_x_min) ? ($$.isTimeSeries() ? this.parseDate(config.axis_x_min) : config.axis_x_min) : $$.d3.min(targets, function (t) { return $$.d3.min(t.values, function (v) { return v.x; }); }); }; c3_chart_internal_fn.getXDomainMax = function (targets) { var $$ = this, config = $$.config; return isDefined(config.axis_x_max) ? ($$.isTimeSeries() ? this.parseDate(config.axis_x_max) : config.axis_x_max) : $$.d3.max(targets, function (t) { return $$.d3.max(t.values, function (v) { return v.x; }); }); }; c3_chart_internal_fn.getXDomainPadding = function (domain) { var $$ = this, config = $$.config, diff = domain[1] - domain[0], maxDataCount, padding, paddingLeft, paddingRight; if ($$.isCategorized()) { padding = 0; } else if ($$.hasType('bar')) { maxDataCount = $$.getMaxDataCount(); padding = maxDataCount > 1 ? (diff / (maxDataCount - 1)) / 2 : 0.5; } else { padding = diff * 0.01; } if (typeof config.axis_x_padding === 'object' && notEmpty(config.axis_x_padding)) { paddingLeft = isValue(config.axis_x_padding.left) ? config.axis_x_padding.left : padding; paddingRight = isValue(config.axis_x_padding.right) ? config.axis_x_padding.right : padding; } else if (typeof config.axis_x_padding === 'number') { paddingLeft = paddingRight = config.axis_x_padding; } else { paddingLeft = paddingRight = padding; } return {left: paddingLeft, right: paddingRight}; }; c3_chart_internal_fn.getXDomain = function (targets) { var $$ = this, xDomain = [$$.getXDomainMin(targets), $$.getXDomainMax(targets)], firstX = xDomain[0], lastX = xDomain[1], padding = $$.getXDomainPadding(xDomain), min = 0, max = 0; // show center of x domain if min and max are the same if ((firstX - lastX) === 0 && !$$.isCategorized()) { if ($$.isTimeSeries()) { firstX = new Date(firstX.getTime() * 0.5); lastX = new Date(lastX.getTime() * 1.5); } else { firstX = firstX === 0 ? 1 : (firstX * 0.5); lastX = lastX === 0 ? -1 : (lastX * 1.5); } } if (firstX || firstX === 0) { min = $$.isTimeSeries() ? new Date(firstX.getTime() - padding.left) : firstX - padding.left; } if (lastX || lastX === 0) { max = $$.isTimeSeries() ? new Date(lastX.getTime() + padding.right) : lastX + padding.right; } return [min, max]; }; c3_chart_internal_fn.updateXDomain = function (targets, withUpdateXDomain, withUpdateOrgXDomain, withTrim, domain) { var $$ = this, config = $$.config; if (withUpdateOrgXDomain) { $$.x.domain(domain ? domain : $$.d3.extent($$.getXDomain(targets))); $$.orgXDomain = $$.x.domain(); if (config.zoom_enabled) { $$.zoom.scale($$.x).updateScaleExtent(); } $$.subX.domain($$.x.domain()); if ($$.brush) { $$.brush.scale($$.subX); } } if (withUpdateXDomain) { $$.x.domain(domain ? domain : (!$$.brush || $$.brush.empty()) ? $$.orgXDomain : $$.brush.extent()); if (config.zoom_enabled) { $$.zoom.scale($$.x).updateScaleExtent(); } } // Trim domain when too big by zoom mousemove event if (withTrim) { $$.x.domain($$.trimXDomain($$.x.orgDomain())); } return $$.x.domain(); }; c3_chart_internal_fn.trimXDomain = function (domain) { var $$ = this; if (domain[0] <= $$.orgXDomain[0]) { domain[1] = +domain[1] + ($$.orgXDomain[0] - domain[0]); domain[0] = $$.orgXDomain[0]; } if ($$.orgXDomain[1] <= domain[1]) { domain[0] = +domain[0] - (domain[1] - $$.orgXDomain[1]); domain[1] = $$.orgXDomain[1]; } return domain; }; c3_chart_internal_fn.isX = function (key) { var $$ = this, config = $$.config; return (config.data_x && key === config.data_x) || (notEmpty(config.data_xs) && hasValue(config.data_xs, key)); }; c3_chart_internal_fn.isNotX = function (key) { return !this.isX(key); }; c3_chart_internal_fn.getXKey = function (id) { var $$ = this, config = $$.config; return config.data_x ? config.data_x : notEmpty(config.data_xs) ? config.data_xs[id] : null; }; c3_chart_internal_fn.getXValuesOfXKey = function (key, targets) { var $$ = this, xValues, ids = targets && notEmpty(targets) ? $$.mapToIds(targets) : []; ids.forEach(function (id) { if ($$.getXKey(id) === key) { xValues = $$.data.xs[id]; } }); return xValues; }; c3_chart_internal_fn.getIndexByX = function (x) { var $$ = this, data = $$.filterByX($$.data.targets, x); return data.length ? data[0].index : null; }; c3_chart_internal_fn.getXValue = function (id, i) { var $$ = this; return id in $$.data.xs && $$.data.xs[id] && isValue($$.data.xs[id][i]) ? $$.data.xs[id][i] : i; }; c3_chart_internal_fn.getOtherTargetXs = function () { var $$ = this, idsForX = Object.keys($$.data.xs); return idsForX.length ? $$.data.xs[idsForX[0]] : null; }; c3_chart_internal_fn.getOtherTargetX = function (index) { var xs = this.getOtherTargetXs(); return xs && index < xs.length ? xs[index] : null; }; c3_chart_internal_fn.addXs = function (xs) { var $$ = this; Object.keys(xs).forEach(function (id) { $$.config.data_xs[id] = xs[id]; }); }; c3_chart_internal_fn.hasMultipleX = function (xs) { return this.d3.set(Object.keys(xs).map(function (id) { return xs[id]; })).size() > 1; }; c3_chart_internal_fn.isMultipleX = function () { return notEmpty(this.config.data_xs) || !this.config.data_xSort || this.hasType('scatter'); }; c3_chart_internal_fn.addName = function (data) { var $$ = this, name; if (data) { name = $$.config.data_names[data.id]; data.name = name ? name : data.id; } return data; }; c3_chart_internal_fn.getValueOnIndex = function (values, index) { var valueOnIndex = values.filter(function (v) { return v.index === index; }); return valueOnIndex.length ? valueOnIndex[0] : null; }; c3_chart_internal_fn.updateTargetX = function (targets, x) { var $$ = this; targets.forEach(function (t) { t.values.forEach(function (v, i) { v.x = $$.generateTargetX(x[i], t.id, i); }); $$.data.xs[t.id] = x; }); }; c3_chart_internal_fn.updateTargetXs = function (targets, xs) { var $$ = this; targets.forEach(function (t) { if (xs[t.id]) { $$.updateTargetX([t], xs[t.id]); } }); }; c3_chart_internal_fn.generateTargetX = function (rawX, id, index) { var $$ = this, x; if ($$.isTimeSeries()) { x = rawX ? $$.parseDate(rawX) : $$.parseDate($$.getXValue(id, index)); } else if ($$.isCustomX() && !$$.isCategorized()) { x = isValue(rawX) ? +rawX : $$.getXValue(id, index); } else { x = index; } return x; }; c3_chart_internal_fn.cloneTarget = function (target) { return { id : target.id, id_org : target.id_org, values : target.values.map(function (d) { return {x: d.x, value: d.value, id: d.id}; }) }; }; c3_chart_internal_fn.updateXs = function () { var $$ = this; if ($$.data.targets.length) { $$.xs = []; $$.data.targets[0].values.forEach(function (v) { $$.xs[v.index] = v.x; }); } }; c3_chart_internal_fn.getPrevX = function (i) { var x = this.xs[i - 1]; return typeof x !== 'undefined' ? x : null; }; c3_chart_internal_fn.getNextX = function (i) { var x = this.xs[i + 1]; return typeof x !== 'undefined' ? x : null; }; c3_chart_internal_fn.getMaxDataCount = function () { var $$ = this; return $$.d3.max($$.data.targets, function (t) { return t.values.length; }); }; c3_chart_internal_fn.getMaxDataCountTarget = function (targets) { var length = targets.length, max = 0, maxTarget; if (length > 1) { targets.forEach(function (t) { if (t.values.length > max) { maxTarget = t; max = t.values.length; } }); } else { maxTarget = length ? targets[0] : null; } return maxTarget; }; c3_chart_internal_fn.getEdgeX = function (targets) { var $$ = this; return !targets.length ? [0, 0] : [ $$.d3.min(targets, function (t) { return t.values[0].x; }), $$.d3.max(targets, function (t) { return t.values[t.values.length - 1].x; }) ]; }; c3_chart_internal_fn.mapToIds = function (targets) { return targets.map(function (d) { return d.id; }); }; c3_chart_internal_fn.mapToTargetIds = function (ids) { var $$ = this; return ids ? (isString(ids) ? [ids] : ids) : $$.mapToIds($$.data.targets); }; c3_chart_internal_fn.hasTarget = function (targets, id) { var ids = this.mapToIds(targets), i; for (i = 0; i < ids.length; i++) { if (ids[i] === id) { return true; } } return false; }; c3_chart_internal_fn.isTargetToShow = function (targetId) { return this.hiddenTargetIds.indexOf(targetId) < 0; }; c3_chart_internal_fn.isLegendToShow = function (targetId) { return this.hiddenLegendIds.indexOf(targetId) < 0; }; c3_chart_internal_fn.filterTargetsToShow = function (targets) { var $$ = this; return targets.filter(function (t) { return $$.isTargetToShow(t.id); }); }; c3_chart_internal_fn.mapTargetsToUniqueXs = function (targets) { var $$ = this; var xs = $$.d3.set($$.d3.merge(targets.map(function (t) { return t.values.map(function (v) { return +v.x; }); }))).values(); return $$.isTimeSeries() ? xs.map(function (x) { return new Date(+x); }) : xs.map(function (x) { return +x; }); }; c3_chart_internal_fn.addHiddenTargetIds = function (targetIds) { this.hiddenTargetIds = this.hiddenTargetIds.concat(targetIds); }; c3_chart_internal_fn.removeHiddenTargetIds = function (targetIds) { this.hiddenTargetIds = this.hiddenTargetIds.filter(function (id) { return targetIds.indexOf(id) < 0; }); }; c3_chart_internal_fn.addHiddenLegendIds = function (targetIds) { this.hiddenLegendIds = this.hiddenLegendIds.concat(targetIds); }; c3_chart_internal_fn.removeHiddenLegendIds = function (targetIds) { this.hiddenLegendIds = this.hiddenLegendIds.filter(function (id) { return targetIds.indexOf(id) < 0; }); }; c3_chart_internal_fn.getValuesAsIdKeyed = function (targets) { var ys = {}; targets.forEach(function (t) { ys[t.id] = []; t.values.forEach(function (v) { ys[t.id].push(v.value); }); }); return ys; }; c3_chart_internal_fn.checkValueInTargets = function (targets, checker) { var ids = Object.keys(targets), i, j, values; for (i = 0; i < ids.length; i++) { values = targets[ids[i]].values; for (j = 0; j < values.length; j++) { if (checker(values[j].value)) { return true; } } } return false; }; c3_chart_internal_fn.hasNegativeValueInTargets = function (targets) { return this.checkValueInTargets(targets, function (v) { return v < 0; }); }; c3_chart_internal_fn.hasPositiveValueInTargets = function (targets) { return this.checkValueInTargets(targets, function (v) { return v > 0; }); }; c3_chart_internal_fn.isOrderDesc = function () { var config = this.config; return typeof(config.data_order) === 'string' && config.data_order.toLowerCase() === 'desc'; }; c3_chart_internal_fn.isOrderAsc = function () { var config = this.config; return typeof(config.data_order) === 'string' && config.data_order.toLowerCase() === 'asc'; }; c3_chart_internal_fn.orderTargets = function (targets) { var $$ = this, config = $$.config, orderAsc = $$.isOrderAsc(), orderDesc = $$.isOrderDesc(); if (orderAsc || orderDesc) { targets.sort(function (t1, t2) { var reducer = function (p, c) { return p + Math.abs(c.value); }; var t1Sum = t1.values.reduce(reducer, 0), t2Sum = t2.values.reduce(reducer, 0); return orderAsc ? t2Sum - t1Sum : t1Sum - t2Sum; }); } else if (isFunction(config.data_order)) { targets.sort(config.data_order); } // TODO: accept name array for order return targets; }; c3_chart_internal_fn.filterByX = function (targets, x) { return this.d3.merge(targets.map(function (t) { return t.values; })).filter(function (v) { return v.x - x === 0; }); }; c3_chart_internal_fn.filterRemoveNull = function (data) { return data.filter(function (d) { return isValue(d.value); }); }; c3_chart_internal_fn.filterByXDomain = function (targets, xDomain) { return targets.map(function (t) { return { id: t.id, id_org: t.id_org, values: t.values.filter(function (v) { return xDomain[0] <= v.x && v.x <= xDomain[1]; }) }; }); }; c3_chart_internal_fn.hasDataLabel = function () { var config = this.config; if (typeof config.data_labels === 'boolean' && config.data_labels) { return true; } else if (typeof config.data_labels === 'object' && notEmpty(config.data_labels)) { return true; } return false; }; c3_chart_internal_fn.getDataLabelLength = function (min, max, key) { var $$ = this, lengths = [0, 0], paddingCoef = 1.3; $$.selectChart.select('svg').selectAll('.dummy') .data([min, max]) .enter().append('text') .text(function (d) { return $$.dataLabelFormat(d.id)(d); }) .each(function (d, i) { lengths[i] = this.getBoundingClientRect()[key] * paddingCoef; }) .remove(); return lengths; }; c3_chart_internal_fn.isNoneArc = function (d) { return this.hasTarget(this.data.targets, d.id); }, c3_chart_internal_fn.isArc = function (d) { return 'data' in d && this.hasTarget(this.data.targets, d.data.id); }; c3_chart_internal_fn.findSameXOfValues = function (values, index) { var i, targetX = values[index].x, sames = []; for (i = index - 1; i >= 0; i--) { if (targetX !== values[i].x) { break; } sames.push(values[i]); } for (i = index; i < values.length; i++) { if (targetX !== values[i].x) { break; } sames.push(values[i]); } return sames; }; c3_chart_internal_fn.findClosestFromTargets = function (targets, pos) { var $$ = this, candidates; // map to array of closest points of each target candidates = targets.map(function (target) { return $$.findClosest(target.values, pos); }); // decide closest point and return return $$.findClosest(candidates, pos); }; c3_chart_internal_fn.findClosest = function (values, pos) { var $$ = this, minDist = 100, closest; // find mouseovering bar values.filter(function (v) { return v && $$.isBarType(v.id); }).forEach(function (v) { var shape = $$.main.select('.' + CLASS.bars + $$.getTargetSelectorSuffix(v.id) + ' .' + CLASS.bar + '-' + v.index).node(); if (!closest && $$.isWithinBar(shape)) { closest = v; } }); // find closest point from non-bar values.filter(function (v) { return v && !$$.isBarType(v.id); }).forEach(function (v) { var d = $$.dist(v, pos); if (d < minDist) { minDist = d; closest = v; } }); return closest; }; c3_chart_internal_fn.dist = function (data, pos) { var $$ = this, config = $$.config, xIndex = config.axis_rotated ? 1 : 0, yIndex = config.axis_rotated ? 0 : 1, y = $$.circleY(data, data.index), x = $$.x(data.x); return Math.pow(x - pos[xIndex], 2) + Math.pow(y - pos[yIndex], 2); }; c3_chart_internal_fn.convertValuesToStep = function (values) { var converted = [].concat(values), i; if (!this.isCategorized()) { return values; } for (i = values.length + 1; 0 < i; i--) { converted[i] = converted[i - 1]; } converted[0] = { x: converted[0].x - 1, value: converted[0].value, id: converted[0].id }; converted[values.length + 1] = { x: converted[values.length].x + 1, value: converted[values.length].value, id: converted[values.length].id }; return converted; }; c3_chart_internal_fn.updateDataAttributes = function (name, attrs) { var $$ = this, config = $$.config, current = config['data_' + name]; if (typeof attrs === 'undefined') { return current; } Object.keys(attrs).forEach(function (id) { current[id] = attrs[id]; }); $$.redraw({withLegend: true}); return current; }; c3_chart_internal_fn.convertUrlToData = function (url, mimeType, keys, done) { var $$ = this, type = mimeType ? mimeType : 'csv'; $$.d3.xhr(url, function (error, data) { var d; if (!data) { throw new Error(error.responseURL + ' ' + error.status + ' (' + error.statusText + ')'); } if (type === 'json') { d = $$.convertJsonToData(JSON.parse(data.response), keys); } else if (type === 'tsv') { d = $$.convertTsvToData(data.response); } else { d = $$.convertCsvToData(data.response); } done.call($$, d); }); }; c3_chart_internal_fn.convertXsvToData = function (xsv, parser) { var rows = parser.parseRows(xsv), d; if (rows.length === 1) { d = [{}]; rows[0].forEach(function (id) { d[0][id] = null; }); } else { d = parser.parse(xsv); } return d; }; c3_chart_internal_fn.convertCsvToData = function (csv) { return this.convertXsvToData(csv, this.d3.csv); }; c3_chart_internal_fn.convertTsvToData = function (tsv) { return this.convertXsvToData(tsv, this.d3.tsv); }; c3_chart_internal_fn.convertJsonToData = function (json, keys) { var $$ = this, new_rows = [], targetKeys, data; if (keys) { // when keys specified, json would be an array that includes objects if (keys.x) { targetKeys = keys.value.concat(keys.x); $$.config.data_x = keys.x; } else { targetKeys = keys.value; } new_rows.push(targetKeys); json.forEach(function (o) { var new_row = []; targetKeys.forEach(function (key) { // convert undefined to null because undefined data will be removed in convertDataToTargets() var v = isUndefined(o[key]) ? null : o[key]; new_row.push(v); }); new_rows.push(new_row); }); data = $$.convertRowsToData(new_rows); } else { Object.keys(json).forEach(function (key) { new_rows.push([key].concat(json[key])); }); data = $$.convertColumnsToData(new_rows); } return data; }; c3_chart_internal_fn.convertRowsToData = function (rows) { var keys = rows[0], new_row = {}, new_rows = [], i, j; for (i = 1; i < rows.length; i++) { new_row = {}; for (j = 0; j < rows[i].length; j++) { if (isUndefined(rows[i][j])) { throw new Error("Source data is missing a component at (" + i + "," + j + ")!"); } new_row[keys[j]] = rows[i][j]; } new_rows.push(new_row); } return new_rows; }; c3_chart_internal_fn.convertColumnsToData = function (columns) { var new_rows = [], i, j, key; for (i = 0; i < columns.length; i++) { key = columns[i][0]; for (j = 1; j < columns[i].length; j++) { if (isUndefined(new_rows[j - 1])) { new_rows[j - 1] = {}; } if (isUndefined(columns[i][j])) { throw new Error("Source data is missing a component at (" + i + "," + j + ")!"); } new_rows[j - 1][key] = columns[i][j]; } } return new_rows; }; c3_chart_internal_fn.convertDataToTargets = function (data, appendXs) { var $$ = this, config = $$.config, ids = $$.d3.keys(data[0]).filter($$.isNotX, $$), xs = $$.d3.keys(data[0]).filter($$.isX, $$), targets; // save x for update data by load when custom x and c3.x API ids.forEach(function (id) { var xKey = $$.getXKey(id); if ($$.isCustomX() || $$.isTimeSeries()) { // if included in input data if (xs.indexOf(xKey) >= 0) { $$.data.xs[id] = (appendXs && $$.data.xs[id] ? $$.data.xs[id] : []).concat( data.map(function (d) { return d[xKey]; }) .filter(isValue) .map(function (rawX, i) { return $$.generateTargetX(rawX, id, i); }) ); } // if not included in input data, find from preloaded data of other id's x else if (config.data_x) { $$.data.xs[id] = $$.getOtherTargetXs(); } // if not included in input data, find from preloaded data else if (notEmpty(config.data_xs)) { $$.data.xs[id] = $$.getXValuesOfXKey(xKey, $$.data.targets); } // MEMO: if no x included, use same x of current will be used } else { $$.data.xs[id] = data.map(function (d, i) { return i; }); } }); // check x is defined ids.forEach(function (id) { if (!$$.data.xs[id]) { throw new Error('x is not defined for id = "' + id + '".'); } }); // convert to target targets = ids.map(function (id, index) { var convertedId = config.data_idConverter(id); return { id: convertedId, id_org: id, values: data.map(function (d, i) { var xKey = $$.getXKey(id), rawX = d[xKey], x = $$.generateTargetX(rawX, id, i); // use x as categories if custom x and categorized if ($$.isCustomX() && $$.isCategorized() && index === 0 && rawX) { if (i === 0) { config.axis_x_categories = []; } config.axis_x_categories.push(rawX); } // mark as x = undefined if value is undefined and filter to remove after mapped if (isUndefined(d[id]) || $$.data.xs[id].length <= i) { x = undefined; } return {x: x, value: d[id] !== null && !isNaN(d[id]) ? +d[id] : null, id: convertedId}; }).filter(function (v) { return isDefined(v.x); }) }; }); // finish targets targets.forEach(function (t) { var i; // sort values by its x if (config.data_xSort) { t.values = t.values.sort(function (v1, v2) { var x1 = v1.x || v1.x === 0 ? v1.x : Infinity, x2 = v2.x || v2.x === 0 ? v2.x : Infinity; return x1 - x2; }); } // indexing each value i = 0; t.values.forEach(function (v) { v.index = i++; }); // this needs to be sorted because its index and value.index is identical $$.data.xs[t.id].sort(function (v1, v2) { return v1 - v2; }); }); // set target types if (config.data_type) { $$.setTargetType($$.mapToIds(targets).filter(function (id) { return ! (id in config.data_types); }), config.data_type); } // cache as original id keyed targets.forEach(function (d) { $$.addCache(d.id_org, d); }); return targets; }; c3_chart_internal_fn.load = function (targets, args) { var $$ = this; if (targets) { // filter loading targets if needed if (args.filter) { targets = targets.filter(args.filter); } // set type if args.types || args.type specified if (args.type || args.types) { targets.forEach(function (t) { var type = args.types && args.types[t.id] ? args.types[t.id] : args.type; $$.setTargetType(t.id, type); }); } // Update/Add data $$.data.targets.forEach(function (d) { for (var i = 0; i < targets.length; i++) { if (d.id === targets[i].id) { d.values = targets[i].values; targets.splice(i, 1); break; } } }); $$.data.targets = $$.data.targets.concat(targets); // add remained } // Set targets $$.updateTargets($$.data.targets); // Redraw with new targets $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true}); if (args.done) { args.done(); } }; c3_chart_internal_fn.loadFromArgs = function (args) { var $$ = this; if (args.data) { $$.load($$.convertDataToTargets(args.data), args); } else if (args.url) { $$.convertUrlToData(args.url, args.mimeType, args.keys, function (data) { $$.load($$.convertDataToTargets(data), args); }); } else if (args.json) { $$.load($$.convertDataToTargets($$.convertJsonToData(args.json, args.keys)), args); } else if (args.rows) { $$.load($$.convertDataToTargets($$.convertRowsToData(args.rows)), args); } else if (args.columns) { $$.load($$.convertDataToTargets($$.convertColumnsToData(args.columns)), args); } else { $$.load(null, args); } }; c3_chart_internal_fn.unload = function (targetIds, done) { var $$ = this; if (!done) { done = function () {}; } // filter existing target targetIds = targetIds.filter(function (id) { return $$.hasTarget($$.data.targets, id); }); // If no target, call done and return if (!targetIds || targetIds.length === 0) { done(); return; } $$.svg.selectAll(targetIds.map(function (id) { return $$.selectorTarget(id); })) .transition() .style('opacity', 0) .remove() .call($$.endall, done); targetIds.forEach(function (id) { // Reset fadein for future load $$.withoutFadeIn[id] = false; // Remove target's elements if ($$.legend) { $$.legend.selectAll('.' + CLASS.legendItem + $$.getTargetSelectorSuffix(id)).remove(); } // Remove target $$.data.targets = $$.data.targets.filter(function (t) { return t.id !== id; }); }); }; c3_chart_internal_fn.categoryName = function (i) { var config = this.config; return i < config.axis_x_categories.length ? config.axis_x_categories[i] : i; }; c3_chart_internal_fn.initEventRect = function () { var $$ = this; $$.main.select('.' + CLASS.chart).append("g") .attr("class", CLASS.eventRects) .style('fill-opacity', 0); }; c3_chart_internal_fn.redrawEventRect = function () { var $$ = this, config = $$.config, eventRectUpdate, maxDataCountTarget, isMultipleX = $$.isMultipleX(); // rects for mouseover var eventRects = $$.main.select('.' + CLASS.eventRects) .style('cursor', config.zoom_enabled ? config.axis_rotated ? 'ns-resize' : 'ew-resize' : null) .classed(CLASS.eventRectsMultiple, isMultipleX) .classed(CLASS.eventRectsSingle, !isMultipleX); // clear old rects eventRects.selectAll('.' + CLASS.eventRect).remove(); // open as public variable $$.eventRect = eventRects.selectAll('.' + CLASS.eventRect); if (isMultipleX) { eventRectUpdate = $$.eventRect.data([0]); // enter : only one rect will be added $$.generateEventRectsForMultipleXs(eventRectUpdate.enter()); // update $$.updateEventRect(eventRectUpdate); // exit : not needed because always only one rect exists } else { // Set data and update $$.eventRect maxDataCountTarget = $$.getMaxDataCountTarget($$.data.targets); eventRects.datum(maxDataCountTarget ? maxDataCountTarget.values : []); $$.eventRect = eventRects.selectAll('.' + CLASS.eventRect); eventRectUpdate = $$.eventRect.data(function (d) { return d; }); // enter $$.generateEventRectsForSingleX(eventRectUpdate.enter()); // update $$.updateEventRect(eventRectUpdate); // exit eventRectUpdate.exit().remove(); } }; c3_chart_internal_fn.updateEventRect = function (eventRectUpdate) { var $$ = this, config = $$.config, x, y, w, h, rectW, rectX; // set update selection if null eventRectUpdate = eventRectUpdate || $$.eventRect.data(function (d) { return d; }); if ($$.isMultipleX()) { // TODO: rotated not supported yet x = 0; y = 0; w = $$.width; h = $$.height; } else { if (($$.isCustomX() || $$.isTimeSeries()) && !$$.isCategorized()) { // update index for x that is used by prevX and nextX $$.updateXs(); rectW = function (d) { var prevX = $$.getPrevX(d.index), nextX = $$.getNextX(d.index); // if there this is a single data point make the eventRect full width (or height) if (prevX === null && nextX === null) { return config.axis_rotated ? $$.height : $$.width; } if (prevX === null) { prevX = $$.x.domain()[0]; } if (nextX === null) { nextX = $$.x.domain()[1]; } return Math.max(0, ($$.x(nextX) - $$.x(prevX)) / 2); }; rectX = function (d) { var prevX = $$.getPrevX(d.index), nextX = $$.getNextX(d.index), thisX = $$.data.xs[d.id][d.index]; // if there this is a single data point position the eventRect at 0 if (prevX === null && nextX === null) { return 0; } if (prevX === null) { prevX = $$.x.domain()[0]; } return ($$.x(thisX) + $$.x(prevX)) / 2; }; } else { rectW = $$.getEventRectWidth(); rectX = function (d) { return $$.x(d.x) - (rectW / 2); }; } x = config.axis_rotated ? 0 : rectX; y = config.axis_rotated ? rectX : 0; w = config.axis_rotated ? $$.width : rectW; h = config.axis_rotated ? rectW : $$.height; } eventRectUpdate .attr('class', $$.classEvent.bind($$)) .attr("x", x) .attr("y", y) .attr("width", w) .attr("height", h); }; c3_chart_internal_fn.generateEventRectsForSingleX = function (eventRectEnter) { var $$ = this, d3 = $$.d3, config = $$.config; eventRectEnter.append("rect") .attr("class", $$.classEvent.bind($$)) .style("cursor", config.data_selection_enabled && config.data_selection_grouped ? "pointer" : null) .on('mouseover', function (d) { var index = d.index; if ($$.dragging || $$.flowing) { return; } // do nothing while dragging/flowing if ($$.hasArcType()) { return; } // Expand shapes for selection if (config.point_focus_expand_enabled) { $$.expandCircles(index, null, true); } $$.expandBars(index, null, true); // Call event handler $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) { config.data_onmouseover.call($$.api, d); }); }) .on('mouseout', function (d) { var index = d.index; if (!$$.config) { return; } // chart is destroyed if ($$.hasArcType()) { return; } $$.hideXGridFocus(); $$.hideTooltip(); // Undo expanded shapes $$.unexpandCircles(); $$.unexpandBars(); // Call event handler $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) { config.data_onmouseout.call($$.api, d); }); }) .on('mousemove', function (d) { var selectedData, index = d.index, eventRect = $$.svg.select('.' + CLASS.eventRect + '-' + index); if ($$.dragging || $$.flowing) { return; } // do nothing while dragging/flowing if ($$.hasArcType()) { return; } if ($$.isStepType(d) && $$.config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) { index -= 1; } // Show tooltip selectedData = $$.filterTargetsToShow($$.data.targets).map(function (t) { return $$.addName($$.getValueOnIndex(t.values, index)); }); if (config.tooltip_grouped) { $$.showTooltip(selectedData, this); $$.showXGridFocus(selectedData); } if (config.tooltip_grouped && (!config.data_selection_enabled || config.data_selection_grouped)) { return; } $$.main.selectAll('.' + CLASS.shape + '-' + index) .each(function () { d3.select(this).classed(CLASS.EXPANDED, true); if (config.data_selection_enabled) { eventRect.style('cursor', config.data_selection_grouped ? 'pointer' : null); } if (!config.tooltip_grouped) { $$.hideXGridFocus(); $$.hideTooltip(); if (!config.data_selection_grouped) { $$.unexpandCircles(index); $$.unexpandBars(index); } } }) .filter(function (d) { return $$.isWithinShape(this, d); }) .each(function (d) { if (config.data_selection_enabled && (config.data_selection_grouped || config.data_selection_isselectable(d))) { eventRect.style('cursor', 'pointer'); } if (!config.tooltip_grouped) { $$.showTooltip([d], this); $$.showXGridFocus([d]); if (config.point_focus_expand_enabled) { $$.expandCircles(index, d.id, true); } $$.expandBars(index, d.id, true); } }); }) .on('click', function (d) { var index = d.index; if ($$.hasArcType() || !$$.toggleShape) { return; } if ($$.cancelClick) { $$.cancelClick = false; return; } if ($$.isStepType(d) && config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) { index -= 1; } $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) { if (config.data_selection_grouped || $$.isWithinShape(this, d)) { $$.toggleShape(this, d, index); $$.config.data_onclick.call($$.api, d, this); } }); }) .call( config.data_selection_draggable && $$.drag ? ( d3.behavior.drag().origin(Object) .on('drag', function () { $$.drag(d3.mouse(this)); }) .on('dragstart', function () { $$.dragstart(d3.mouse(this)); }) .on('dragend', function () { $$.dragend(); }) ) : function () {} ); }; c3_chart_internal_fn.generateEventRectsForMultipleXs = function (eventRectEnter) { var $$ = this, d3 = $$.d3, config = $$.config; function mouseout() { $$.svg.select('.' + CLASS.eventRect).style('cursor', null); $$.hideXGridFocus(); $$.hideTooltip(); $$.unexpandCircles(); $$.unexpandBars(); } eventRectEnter.append('rect') .attr('x', 0) .attr('y', 0) .attr('width', $$.width) .attr('height', $$.height) .attr('class', CLASS.eventRect) .on('mouseout', function () { if (!$$.config) { return; } // chart is destroyed if ($$.hasArcType()) { return; } mouseout(); }) .on('mousemove', function () { var targetsToShow = $$.filterTargetsToShow($$.data.targets); var mouse, closest, sameXData, selectedData; if ($$.dragging) { return; } // do nothing when dragging if ($$.hasArcType(targetsToShow)) { return; } mouse = d3.mouse(this); closest = $$.findClosestFromTargets(targetsToShow, mouse); if ($$.mouseover && (!closest || closest.id !== $$.mouseover.id)) { config.data_onmouseout.call($$.api, $$.mouseover); $$.mouseover = undefined; } if (! closest) { mouseout(); return; } if ($$.isScatterType(closest) || !config.tooltip_grouped) { sameXData = [closest]; } else { sameXData = $$.filterByX(targetsToShow, closest.x); } // show tooltip when cursor is close to some point selectedData = sameXData.map(function (d) { return $$.addName(d); }); $$.showTooltip(selectedData, this); // expand points if (config.point_focus_expand_enabled) { $$.expandCircles(closest.index, closest.id, true); } $$.expandBars(closest.index, closest.id, true); // Show xgrid focus line $$.showXGridFocus(selectedData); // Show cursor as pointer if point is close to mouse position if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < 100) { $$.svg.select('.' + CLASS.eventRect).style('cursor', 'pointer'); if (!$$.mouseover) { config.data_onmouseover.call($$.api, closest); $$.mouseover = closest; } } }) .on('click', function () { var targetsToShow = $$.filterTargetsToShow($$.data.targets); var mouse, closest; if ($$.hasArcType(targetsToShow)) { return; } mouse = d3.mouse(this); closest = $$.findClosestFromTargets(targetsToShow, mouse); if (! closest) { return; } // select if selection enabled if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < 100) { $$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(closest.id)).selectAll('.' + CLASS.shape + '-' + closest.index).each(function () { if (config.data_selection_grouped || $$.isWithinShape(this, closest)) { $$.toggleShape(this, closest, closest.index); $$.config.data_onclick.call($$.api, closest, this); } }); } }) .call( config.data_selection_draggable && $$.drag ? ( d3.behavior.drag().origin(Object) .on('drag', function () { $$.drag(d3.mouse(this)); }) .on('dragstart', function () { $$.dragstart(d3.mouse(this)); }) .on('dragend', function () { $$.dragend(); }) ) : function () {} ); }; c3_chart_internal_fn.dispatchEvent = function (type, index, mouse) { var $$ = this, selector = '.' + CLASS.eventRect + (!$$.isMultipleX() ? '-' + index : ''), eventRect = $$.main.select(selector).node(), box = eventRect.getBoundingClientRect(), x = box.left + (mouse ? mouse[0] : 0), y = box.top + (mouse ? mouse[1] : 0), event = document.createEvent("MouseEvents"); event.initMouseEvent(type, true, true, window, 0, x, y, x, y, false, false, false, false, 0, null); eventRect.dispatchEvent(event); }; c3_chart_internal_fn.getCurrentWidth = function () { var $$ = this, config = $$.config; return config.size_width ? config.size_width : $$.getParentWidth(); }; c3_chart_internal_fn.getCurrentHeight = function () { var $$ = this, config = $$.config, h = config.size_height ? config.size_height : $$.getParentHeight(); return h > 0 ? h : 320 / ($$.hasType('gauge') ? 2 : 1); }; c3_chart_internal_fn.getCurrentPaddingTop = function () { var config = this.config; return isValue(config.padding_top) ? config.padding_top : 0; }; c3_chart_internal_fn.getCurrentPaddingBottom = function () { var config = this.config; return isValue(config.padding_bottom) ? config.padding_bottom : 0; }; c3_chart_internal_fn.getCurrentPaddingLeft = function (withoutRecompute) { var $$ = this, config = $$.config; if (isValue(config.padding_left)) { return config.padding_left; } else if (config.axis_rotated) { return !config.axis_x_show ? 1 : Math.max(ceil10($$.getAxisWidthByAxisId('x', withoutRecompute)), 40); } else if (!config.axis_y_show || config.axis_y_inner) { // && !config.axis_rotated return $$.axis.getYAxisLabelPosition().isOuter ? 30 : 1; } else { return ceil10($$.getAxisWidthByAxisId('y', withoutRecompute)); } }; c3_chart_internal_fn.getCurrentPaddingRight = function () { var $$ = this, config = $$.config, defaultPadding = 10, legendWidthOnRight = $$.isLegendRight ? $$.getLegendWidth() + 20 : 0; if (isValue(config.padding_right)) { return config.padding_right + 1; // 1 is needed not to hide tick line } else if (config.axis_rotated) { return defaultPadding + legendWidthOnRight; } else if (!config.axis_y2_show || config.axis_y2_inner) { // && !config.axis_rotated return 2 + legendWidthOnRight + ($$.axis.getY2AxisLabelPosition().isOuter ? 20 : 0); } else { return ceil10($$.getAxisWidthByAxisId('y2')) + legendWidthOnRight; } }; c3_chart_internal_fn.getParentRectValue = function (key) { var parent = this.selectChart.node(), v; while (parent && parent.tagName !== 'BODY') { try { v = parent.getBoundingClientRect()[key]; } catch(e) { if (key === 'width') { // In IE in certain cases getBoundingClientRect // will cause an "unspecified error" v = parent.offsetWidth; } } if (v) { break; } parent = parent.parentNode; } return v; }; c3_chart_internal_fn.getParentWidth = function () { return this.getParentRectValue('width'); }; c3_chart_internal_fn.getParentHeight = function () { var h = this.selectChart.style('height'); return h.indexOf('px') > 0 ? +h.replace('px', '') : 0; }; c3_chart_internal_fn.getSvgLeft = function (withoutRecompute) { var $$ = this, config = $$.config, hasLeftAxisRect = config.axis_rotated || (!config.axis_rotated && !config.axis_y_inner), leftAxisClass = config.axis_rotated ? CLASS.axisX : CLASS.axisY, leftAxis = $$.main.select('.' + leftAxisClass).node(), svgRect = leftAxis && hasLeftAxisRect ? leftAxis.getBoundingClientRect() : {right: 0}, chartRect = $$.selectChart.node().getBoundingClientRect(), hasArc = $$.hasArcType(), svgLeft = svgRect.right - chartRect.left - (hasArc ? 0 : $$.getCurrentPaddingLeft(withoutRecompute)); return svgLeft > 0 ? svgLeft : 0; }; c3_chart_internal_fn.getAxisWidthByAxisId = function (id, withoutRecompute) { var $$ = this, position = $$.axis.getLabelPositionById(id); return $$.axis.getMaxTickWidth(id, withoutRecompute) + (position.isInner ? 20 : 40); }; c3_chart_internal_fn.getHorizontalAxisHeight = function (axisId) { var $$ = this, config = $$.config, h = 30; if (axisId === 'x' && !config.axis_x_show) { return 8; } if (axisId === 'x' && config.axis_x_height) { return config.axis_x_height; } if (axisId === 'y' && !config.axis_y_show) { return config.legend_show && !$$.isLegendRight && !$$.isLegendInset ? 10 : 1; } if (axisId === 'y2' && !config.axis_y2_show) { return $$.rotated_padding_top; } // Calculate x axis height when tick rotated if (axisId === 'x' && !config.axis_rotated && config.axis_x_tick_rotate) { h = 30 + $$.axis.getMaxTickWidth(axisId) * Math.cos(Math.PI * (90 - config.axis_x_tick_rotate) / 180); } return h + ($$.axis.getLabelPositionById(axisId).isInner ? 0 : 10) + (axisId === 'y2' ? -10 : 0); }; c3_chart_internal_fn.getEventRectWidth = function () { return Math.max(0, this.xAxis.tickInterval()); }; c3_chart_internal_fn.getShapeIndices = function (typeFilter) { var $$ = this, config = $$.config, indices = {}, i = 0, j, k; $$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$)).forEach(function (d) { for (j = 0; j < config.data_groups.length; j++) { if (config.data_groups[j].indexOf(d.id) < 0) { continue; } for (k = 0; k < config.data_groups[j].length; k++) { if (config.data_groups[j][k] in indices) { indices[d.id] = indices[config.data_groups[j][k]]; break; } } } if (isUndefined(indices[d.id])) { indices[d.id] = i++; } }); indices.__max__ = i - 1; return indices; }; c3_chart_internal_fn.getShapeX = function (offset, targetsNum, indices, isSub) { var $$ = this, scale = isSub ? $$.subX : $$.x; return function (d) { var index = d.id in indices ? indices[d.id] : 0; return d.x || d.x === 0 ? scale(d.x) - offset * (targetsNum / 2 - index) : 0; }; }; c3_chart_internal_fn.getShapeY = function (isSub) { var $$ = this; return function (d) { var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id); return scale(d.value); }; }; c3_chart_internal_fn.getShapeOffset = function (typeFilter, indices, isSub) { var $$ = this, targets = $$.orderTargets($$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$))), targetIds = targets.map(function (t) { return t.id; }); return function (d, i) { var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id), y0 = scale(0), offset = y0; targets.forEach(function (t) { var values = $$.isStepType(d) ? $$.convertValuesToStep(t.values) : t.values; if (t.id === d.id || indices[t.id] !== indices[d.id]) { return; } if (targetIds.indexOf(t.id) < targetIds.indexOf(d.id)) { if (values[i].value * d.value >= 0) { offset += scale(values[i].value) - y0; } } }); return offset; }; }; c3_chart_internal_fn.isWithinShape = function (that, d) { var $$ = this, shape = $$.d3.select(that), isWithin; if (!$$.isTargetToShow(d.id)) { isWithin = false; } else if (that.nodeName === 'circle') { isWithin = $$.isStepType(d) ? $$.isWithinStep(that, $$.getYScale(d.id)(d.value)) : $$.isWithinCircle(that, $$.pointSelectR(d) * 1.5); } else if (that.nodeName === 'path') { isWithin = shape.classed(CLASS.bar) ? $$.isWithinBar(that) : true; } return isWithin; }; c3_chart_internal_fn.getInterpolate = function (d) { var $$ = this; return $$.isSplineType(d) ? "cardinal" : $$.isStepType(d) ? $$.config.line_step_type : "linear"; }; c3_chart_internal_fn.initLine = function () { var $$ = this; $$.main.select('.' + CLASS.chart).append("g") .attr("class", CLASS.chartLines); }; c3_chart_internal_fn.updateTargetsForLine = function (targets) { var $$ = this, config = $$.config, mainLineUpdate, mainLineEnter, classChartLine = $$.classChartLine.bind($$), classLines = $$.classLines.bind($$), classAreas = $$.classAreas.bind($$), classCircles = $$.classCircles.bind($$), classFocus = $$.classFocus.bind($$); mainLineUpdate = $$.main.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine) .data(targets) .attr('class', function (d) { return classChartLine(d) + classFocus(d); }); mainLineEnter = mainLineUpdate.enter().append('g') .attr('class', classChartLine) .style('opacity', 0) .style("pointer-events", "none"); // Lines for each data mainLineEnter.append('g') .attr("class", classLines); // Areas mainLineEnter.append('g') .attr('class', classAreas); // Circles for each data point on lines mainLineEnter.append('g') .attr("class", function (d) { return $$.generateClass(CLASS.selectedCircles, d.id); }); mainLineEnter.append('g') .attr("class", classCircles) .style("cursor", function (d) { return config.data_selection_isselectable(d) ? "pointer" : null; }); // Update date for selected circles targets.forEach(function (t) { $$.main.selectAll('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(t.id)).selectAll('.' + CLASS.selectedCircle).each(function (d) { d.value = t.values[d.index].value; }); }); // MEMO: can not keep same color... //mainLineUpdate.exit().remove(); }; c3_chart_internal_fn.updateLine = function (durationForExit) { var $$ = this; $$.mainLine = $$.main.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line) .data($$.lineData.bind($$)); $$.mainLine.enter().append('path') .attr('class', $$.classLine.bind($$)) .style("stroke", $$.color); $$.mainLine .style("opacity", $$.initialOpacity.bind($$)) .style('shape-rendering', function (d) { return $$.isStepType(d) ? 'crispEdges' : ''; }) .attr('transform', null); $$.mainLine.exit().transition().duration(durationForExit) .style('opacity', 0) .remove(); }; c3_chart_internal_fn.redrawLine = function (drawLine, withTransition) { return [ (withTransition ? this.mainLine.transition() : this.mainLine) .attr("d", drawLine) .style("stroke", this.color) .style("opacity", 1) ]; }; c3_chart_internal_fn.generateDrawLine = function (lineIndices, isSub) { var $$ = this, config = $$.config, line = $$.d3.svg.line(), getPoints = $$.generateGetLinePoints(lineIndices, isSub), yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale, xValue = function (d) { return (isSub ? $$.subxx : $$.xx).call($$, d); }, yValue = function (d, i) { return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)(d.value); }; line = config.axis_rotated ? line.x(yValue).y(xValue) : line.x(xValue).y(yValue); if (!config.line_connectNull) { line = line.defined(function (d) { return d.value != null; }); } return function (d) { var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values, x = isSub ? $$.x : $$.subX, y = yScaleGetter.call($$, d.id), x0 = 0, y0 = 0, path; if ($$.isLineType(d)) { if (config.data_regions[d.id]) { path = $$.lineWithRegions(values, x, y, config.data_regions[d.id]); } else { if ($$.isStepType(d)) { values = $$.convertValuesToStep(values); } path = line.interpolate($$.getInterpolate(d))(values); } } else { if (values[0]) { x0 = x(values[0].x); y0 = y(values[0].value); } path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0; } return path ? path : "M 0 0"; }; }; c3_chart_internal_fn.generateGetLinePoints = function (lineIndices, isSub) { // partial duplication of generateGetBarPoints var $$ = this, config = $$.config, lineTargetsNum = lineIndices.__max__ + 1, x = $$.getShapeX(0, lineTargetsNum, lineIndices, !!isSub), y = $$.getShapeY(!!isSub), lineOffset = $$.getShapeOffset($$.isLineType, lineIndices, !!isSub), yScale = isSub ? $$.getSubYScale : $$.getYScale; return function (d, i) { var y0 = yScale.call($$, d.id)(0), offset = lineOffset(d, i) || y0, // offset is for stacked area chart posX = x(d), posY = y(d); // fix posY not to overflow opposite quadrant if (config.axis_rotated) { if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; } } // 1 point that marks the line position return [ [posX, posY - (y0 - offset)], [posX, posY - (y0 - offset)], // needed for compatibility [posX, posY - (y0 - offset)], // needed for compatibility [posX, posY - (y0 - offset)] // needed for compatibility ]; }; }; c3_chart_internal_fn.lineWithRegions = function (d, x, y, _regions) { var $$ = this, config = $$.config, prev = -1, i, j, s = "M", sWithRegion, xp, yp, dx, dy, dd, diff, diffx2, xOffset = $$.isCategorized() ? 0.5 : 0, xValue, yValue, regions = []; function isWithinRegions(x, regions) { var i; for (i = 0; i < regions.length; i++) { if (regions[i].start < x && x <= regions[i].end) { return true; } } return false; } // Check start/end of regions if (isDefined(_regions)) { for (i = 0; i < _regions.length; i++) { regions[i] = {}; if (isUndefined(_regions[i].start)) { regions[i].start = d[0].x; } else { regions[i].start = $$.isTimeSeries() ? $$.parseDate(_regions[i].start) : _regions[i].start; } if (isUndefined(_regions[i].end)) { regions[i].end = d[d.length - 1].x; } else { regions[i].end = $$.isTimeSeries() ? $$.parseDate(_regions[i].end) : _regions[i].end; } } } // Set scales xValue = config.axis_rotated ? function (d) { return y(d.value); } : function (d) { return x(d.x); }; yValue = config.axis_rotated ? function (d) { return x(d.x); } : function (d) { return y(d.value); }; // Define svg generator function for region function generateM(points) { return 'M' + points[0][0] + ' ' + points[0][1] + ' ' + points[1][0] + ' ' + points[1][1]; } if ($$.isTimeSeries()) { sWithRegion = function (d0, d1, j, diff) { var x0 = d0.x.getTime(), x_diff = d1.x - d0.x, xv0 = new Date(x0 + x_diff * j), xv1 = new Date(x0 + x_diff * (j + diff)), points; if (config.axis_rotated) { points = [[y(yp(j)), x(xv0)], [y(yp(j + diff)), x(xv1)]]; } else { points = [[x(xv0), y(yp(j))], [x(xv1), y(yp(j + diff))]]; } return generateM(points); }; } else { sWithRegion = function (d0, d1, j, diff) { var points; if (config.axis_rotated) { points = [[y(yp(j), true), x(xp(j))], [y(yp(j + diff), true), x(xp(j + diff))]]; } else { points = [[x(xp(j), true), y(yp(j))], [x(xp(j + diff), true), y(yp(j + diff))]]; } return generateM(points); }; } // Generate for (i = 0; i < d.length; i++) { // Draw as normal if (isUndefined(regions) || ! isWithinRegions(d[i].x, regions)) { s += " " + xValue(d[i]) + " " + yValue(d[i]); } // Draw with region // TODO: Fix for horizotal charts else { xp = $$.getScale(d[i - 1].x + xOffset, d[i].x + xOffset, $$.isTimeSeries()); yp = $$.getScale(d[i - 1].value, d[i].value); dx = x(d[i].x) - x(d[i - 1].x); dy = y(d[i].value) - y(d[i - 1].value); dd = Math.sqrt(Math.pow(dx, 2) + Math.pow(dy, 2)); diff = 2 / dd; diffx2 = diff * 2; for (j = diff; j <= 1; j += diffx2) { s += sWithRegion(d[i - 1], d[i], j, diff); } } prev = d[i].x; } return s; }; c3_chart_internal_fn.updateArea = function (durationForExit) { var $$ = this, d3 = $$.d3; $$.mainArea = $$.main.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area) .data($$.lineData.bind($$)); $$.mainArea.enter().append('path') .attr("class", $$.classArea.bind($$)) .style("fill", $$.color) .style("opacity", function () { $$.orgAreaOpacity = +d3.select(this).style('opacity'); return 0; }); $$.mainArea .style("opacity", $$.orgAreaOpacity); $$.mainArea.exit().transition().duration(durationForExit) .style('opacity', 0) .remove(); }; c3_chart_internal_fn.redrawArea = function (drawArea, withTransition) { return [ (withTransition ? this.mainArea.transition() : this.mainArea) .attr("d", drawArea) .style("fill", this.color) .style("opacity", this.orgAreaOpacity) ]; }; c3_chart_internal_fn.generateDrawArea = function (areaIndices, isSub) { var $$ = this, config = $$.config, area = $$.d3.svg.area(), getPoints = $$.generateGetAreaPoints(areaIndices, isSub), yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale, xValue = function (d) { return (isSub ? $$.subxx : $$.xx).call($$, d); }, value0 = function (d, i) { return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)($$.getAreaBaseValue(d.id)); }, value1 = function (d, i) { return config.data_groups.length > 0 ? getPoints(d, i)[1][1] : yScaleGetter.call($$, d.id)(d.value); }; area = config.axis_rotated ? area.x0(value0).x1(value1).y(xValue) : area.x(xValue).y0(value0).y1(value1); if (!config.line_connectNull) { area = area.defined(function (d) { return d.value !== null; }); } return function (d) { var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values, x0 = 0, y0 = 0, path; if ($$.isAreaType(d)) { if ($$.isStepType(d)) { values = $$.convertValuesToStep(values); } path = area.interpolate($$.getInterpolate(d))(values); } else { if (values[0]) { x0 = $$.x(values[0].x); y0 = $$.getYScale(d.id)(values[0].value); } path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0; } return path ? path : "M 0 0"; }; }; c3_chart_internal_fn.getAreaBaseValue = function () { return 0; }; c3_chart_internal_fn.generateGetAreaPoints = function (areaIndices, isSub) { // partial duplication of generateGetBarPoints var $$ = this, config = $$.config, areaTargetsNum = areaIndices.__max__ + 1, x = $$.getShapeX(0, areaTargetsNum, areaIndices, !!isSub), y = $$.getShapeY(!!isSub), areaOffset = $$.getShapeOffset($$.isAreaType, areaIndices, !!isSub), yScale = isSub ? $$.getSubYScale : $$.getYScale; return function (d, i) { var y0 = yScale.call($$, d.id)(0), offset = areaOffset(d, i) || y0, // offset is for stacked area chart posX = x(d), posY = y(d); // fix posY not to overflow opposite quadrant if (config.axis_rotated) { if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; } } // 1 point that marks the area position return [ [posX, offset], [posX, posY - (y0 - offset)], [posX, posY - (y0 - offset)], // needed for compatibility [posX, offset] // needed for compatibility ]; }; }; c3_chart_internal_fn.updateCircle = function () { var $$ = this; $$.mainCircle = $$.main.selectAll('.' + CLASS.circles).selectAll('.' + CLASS.circle) .data($$.lineOrScatterData.bind($$)); $$.mainCircle.enter().append("circle") .attr("class", $$.classCircle.bind($$)) .attr("r", $$.pointR.bind($$)) .style("fill", $$.color); $$.mainCircle .style("opacity", $$.initialOpacityForCircle.bind($$)); $$.mainCircle.exit().remove(); }; c3_chart_internal_fn.redrawCircle = function (cx, cy, withTransition) { var selectedCircles = this.main.selectAll('.' + CLASS.selectedCircle); return [ (withTransition ? this.mainCircle.transition() : this.mainCircle) .style('opacity', this.opacityForCircle.bind(this)) .style("fill", this.color) .attr("cx", cx) .attr("cy", cy), (withTransition ? selectedCircles.transition() : selectedCircles) .attr("cx", cx) .attr("cy", cy) ]; }; c3_chart_internal_fn.circleX = function (d) { return d.x || d.x === 0 ? this.x(d.x) : null; }; c3_chart_internal_fn.updateCircleY = function () { var $$ = this, lineIndices, getPoints; if ($$.config.data_groups.length > 0) { lineIndices = $$.getShapeIndices($$.isLineType), getPoints = $$.generateGetLinePoints(lineIndices); $$.circleY = function (d, i) { return getPoints(d, i)[0][1]; }; } else { $$.circleY = function (d) { return $$.getYScale(d.id)(d.value); }; } }; c3_chart_internal_fn.getCircles = function (i, id) { var $$ = this; return (id ? $$.main.selectAll('.' + CLASS.circles + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.circle + (isValue(i) ? '-' + i : '')); }; c3_chart_internal_fn.expandCircles = function (i, id, reset) { var $$ = this, r = $$.pointExpandedR.bind($$); if (reset) { $$.unexpandCircles(); } $$.getCircles(i, id) .classed(CLASS.EXPANDED, true) .attr('r', r); }; c3_chart_internal_fn.unexpandCircles = function (i) { var $$ = this, r = $$.pointR.bind($$); $$.getCircles(i) .filter(function () { return $$.d3.select(this).classed(CLASS.EXPANDED); }) .classed(CLASS.EXPANDED, false) .attr('r', r); }; c3_chart_internal_fn.pointR = function (d) { var $$ = this, config = $$.config; return $$.isStepType(d) ? 0 : (isFunction(config.point_r) ? config.point_r(d) : config.point_r); }; c3_chart_internal_fn.pointExpandedR = function (d) { var $$ = this, config = $$.config; return config.point_focus_expand_enabled ? (config.point_focus_expand_r ? config.point_focus_expand_r : $$.pointR(d) * 1.75) : $$.pointR(d); }; c3_chart_internal_fn.pointSelectR = function (d) { var $$ = this, config = $$.config; return config.point_select_r ? config.point_select_r : $$.pointR(d) * 4; }; c3_chart_internal_fn.isWithinCircle = function (that, r) { var d3 = this.d3, mouse = d3.mouse(that), d3_this = d3.select(that), cx = +d3_this.attr("cx"), cy = +d3_this.attr("cy"); return Math.sqrt(Math.pow(cx - mouse[0], 2) + Math.pow(cy - mouse[1], 2)) < r; }; c3_chart_internal_fn.isWithinStep = function (that, y) { return Math.abs(y - this.d3.mouse(that)[1]) < 30; }; c3_chart_internal_fn.initBar = function () { var $$ = this; $$.main.select('.' + CLASS.chart).append("g") .attr("class", CLASS.chartBars); }; c3_chart_internal_fn.updateTargetsForBar = function (targets) { var $$ = this, config = $$.config, mainBarUpdate, mainBarEnter, classChartBar = $$.classChartBar.bind($$), classBars = $$.classBars.bind($$), classFocus = $$.classFocus.bind($$); mainBarUpdate = $$.main.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar) .data(targets) .attr('class', function (d) { return classChartBar(d) + classFocus(d); }); mainBarEnter = mainBarUpdate.enter().append('g') .attr('class', classChartBar) .style('opacity', 0) .style("pointer-events", "none"); // Bars for each data mainBarEnter.append('g') .attr("class", classBars) .style("cursor", function (d) { return config.data_selection_isselectable(d) ? "pointer" : null; }); }; c3_chart_internal_fn.updateBar = function (durationForExit) { var $$ = this, barData = $$.barData.bind($$), classBar = $$.classBar.bind($$), initialOpacity = $$.initialOpacity.bind($$), color = function (d) { return $$.color(d.id); }; $$.mainBar = $$.main.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar) .data(barData); $$.mainBar.enter().append('path') .attr("class", classBar) .style("stroke", color) .style("fill", color); $$.mainBar .style("opacity", initialOpacity); $$.mainBar.exit().transition().duration(durationForExit) .style('opacity', 0) .remove(); }; c3_chart_internal_fn.redrawBar = function (drawBar, withTransition) { return [ (withTransition ? this.mainBar.transition() : this.mainBar) .attr('d', drawBar) .style("fill", this.color) .style("opacity", 1) ]; }; c3_chart_internal_fn.getBarW = function (axis, barTargetsNum) { var $$ = this, config = $$.config, w = typeof config.bar_width === 'number' ? config.bar_width : barTargetsNum ? (axis.tickInterval() * config.bar_width_ratio) / barTargetsNum : 0; return config.bar_width_max && w > config.bar_width_max ? config.bar_width_max : w; }; c3_chart_internal_fn.getBars = function (i, id) { var $$ = this; return (id ? $$.main.selectAll('.' + CLASS.bars + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.bar + (isValue(i) ? '-' + i : '')); }; c3_chart_internal_fn.expandBars = function (i, id, reset) { var $$ = this; if (reset) { $$.unexpandBars(); } $$.getBars(i, id).classed(CLASS.EXPANDED, true); }; c3_chart_internal_fn.unexpandBars = function (i) { var $$ = this; $$.getBars(i).classed(CLASS.EXPANDED, false); }; c3_chart_internal_fn.generateDrawBar = function (barIndices, isSub) { var $$ = this, config = $$.config, getPoints = $$.generateGetBarPoints(barIndices, isSub); return function (d, i) { // 4 points that make a bar var points = getPoints(d, i); // switch points if axis is rotated, not applicable for sub chart var indexX = config.axis_rotated ? 1 : 0; var indexY = config.axis_rotated ? 0 : 1; var path = 'M ' + points[0][indexX] + ',' + points[0][indexY] + ' ' + 'L' + points[1][indexX] + ',' + points[1][indexY] + ' ' + 'L' + points[2][indexX] + ',' + points[2][indexY] + ' ' + 'L' + points[3][indexX] + ',' + points[3][indexY] + ' ' + 'z'; return path; }; }; c3_chart_internal_fn.generateGetBarPoints = function (barIndices, isSub) { var $$ = this, axis = isSub ? $$.subXAxis : $$.xAxis, barTargetsNum = barIndices.__max__ + 1, barW = $$.getBarW(axis, barTargetsNum), barX = $$.getShapeX(barW, barTargetsNum, barIndices, !!isSub), barY = $$.getShapeY(!!isSub), barOffset = $$.getShapeOffset($$.isBarType, barIndices, !!isSub), yScale = isSub ? $$.getSubYScale : $$.getYScale; return function (d, i) { var y0 = yScale.call($$, d.id)(0), offset = barOffset(d, i) || y0, // offset is for stacked bar chart posX = barX(d), posY = barY(d); // fix posY not to overflow opposite quadrant if ($$.config.axis_rotated) { if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; } } // 4 points that make a bar return [ [posX, offset], [posX, posY - (y0 - offset)], [posX + barW, posY - (y0 - offset)], [posX + barW, offset] ]; }; }; c3_chart_internal_fn.isWithinBar = function (that) { var mouse = this.d3.mouse(that), box = that.getBoundingClientRect(), seg0 = that.pathSegList.getItem(0), seg1 = that.pathSegList.getItem(1), x = Math.min(seg0.x, seg1.x), y = Math.min(seg0.y, seg1.y), w = box.width, h = box.height, offset = 2, sx = x - offset, ex = x + w + offset, sy = y + h + offset, ey = y - offset; return sx < mouse[0] && mouse[0] < ex && ey < mouse[1] && mouse[1] < sy; }; c3_chart_internal_fn.initText = function () { var $$ = this; $$.main.select('.' + CLASS.chart).append("g") .attr("class", CLASS.chartTexts); $$.mainText = $$.d3.selectAll([]); }; c3_chart_internal_fn.updateTargetsForText = function (targets) { var $$ = this, mainTextUpdate, mainTextEnter, classChartText = $$.classChartText.bind($$), classTexts = $$.classTexts.bind($$), classFocus = $$.classFocus.bind($$); mainTextUpdate = $$.main.select('.' + CLASS.chartTexts).selectAll('.' + CLASS.chartText) .data(targets) .attr('class', function (d) { return classChartText(d) + classFocus(d); }); mainTextEnter = mainTextUpdate.enter().append('g') .attr('class', classChartText) .style('opacity', 0) .style("pointer-events", "none"); mainTextEnter.append('g') .attr('class', classTexts); }; c3_chart_internal_fn.updateText = function (durationForExit) { var $$ = this, config = $$.config, barOrLineData = $$.barOrLineData.bind($$), classText = $$.classText.bind($$); $$.mainText = $$.main.selectAll('.' + CLASS.texts).selectAll('.' + CLASS.text) .data(barOrLineData); $$.mainText.enter().append('text') .attr("class", classText) .attr('text-anchor', function (d) { return config.axis_rotated ? (d.value < 0 ? 'end' : 'start') : 'middle'; }) .style("stroke", 'none') .style("fill", function (d) { return $$.color(d); }) .style("fill-opacity", 0); $$.mainText .text(function (d, i, j) { return $$.dataLabelFormat(d.id)(d.value, d.id, i, j); }); $$.mainText.exit() .transition().duration(durationForExit) .style('fill-opacity', 0) .remove(); }; c3_chart_internal_fn.redrawText = function (xForText, yForText, forFlow, withTransition) { return [ (withTransition ? this.mainText.transition() : this.mainText) .attr('x', xForText) .attr('y', yForText) .style("fill", this.color) .style("fill-opacity", forFlow ? 0 : this.opacityForText.bind(this)) ]; }; c3_chart_internal_fn.getTextRect = function (text, cls) { var dummy = this.d3.select('body').append('div').classed('c3', true), svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0), rect; svg.selectAll('.dummy') .data([text]) .enter().append('text') .classed(cls ? cls : "", true) .text(text) .each(function () { rect = this.getBoundingClientRect(); }); dummy.remove(); return rect; }; c3_chart_internal_fn.generateXYForText = function (areaIndices, barIndices, lineIndices, forX) { var $$ = this, getAreaPoints = $$.generateGetAreaPoints(areaIndices, false), getBarPoints = $$.generateGetBarPoints(barIndices, false), getLinePoints = $$.generateGetLinePoints(lineIndices, false), getter = forX ? $$.getXForText : $$.getYForText; return function (d, i) { var getPoints = $$.isAreaType(d) ? getAreaPoints : $$.isBarType(d) ? getBarPoints : getLinePoints; return getter.call($$, getPoints(d, i), d, this); }; }; c3_chart_internal_fn.getXForText = function (points, d, textElement) { var $$ = this, box = textElement.getBoundingClientRect(), xPos, padding; if ($$.config.axis_rotated) { padding = $$.isBarType(d) ? 4 : 6; xPos = points[2][1] + padding * (d.value < 0 ? -1 : 1); } else { xPos = $$.hasType('bar') ? (points[2][0] + points[0][0]) / 2 : points[0][0]; } // show labels regardless of the domain if value is null if (d.value === null) { if (xPos > $$.width) { xPos = $$.width - box.width; } else if (xPos < 0) { xPos = 4; } } return xPos; }; c3_chart_internal_fn.getYForText = function (points, d, textElement) { var $$ = this, box = textElement.getBoundingClientRect(), yPos; if ($$.config.axis_rotated) { yPos = (points[0][0] + points[2][0] + box.height * 0.6) / 2; } else { yPos = points[2][1]; if (d.value < 0) { yPos += box.height; if ($$.isBarType(d) && $$.isSafari()) { yPos -= 3; } else if (!$$.isBarType(d) && $$.isChrome()) { yPos += 3; } } else { yPos += $$.isBarType(d) ? -3 : -6; } } // show labels regardless of the domain if value is null if (d.value === null && !$$.config.axis_rotated) { if (yPos < box.height) { yPos = box.height; } else if (yPos > this.height) { yPos = this.height - 4; } } return yPos; }; c3_chart_internal_fn.setTargetType = function (targetIds, type) { var $$ = this, config = $$.config; $$.mapToTargetIds(targetIds).forEach(function (id) { $$.withoutFadeIn[id] = (type === config.data_types[id]); config.data_types[id] = type; }); if (!targetIds) { config.data_type = type; } }; c3_chart_internal_fn.hasType = function (type, targets) { var $$ = this, types = $$.config.data_types, has = false; targets = targets || $$.data.targets; if (targets && targets.length) { targets.forEach(function (target) { var t = types[target.id]; if ((t && t.indexOf(type) >= 0) || (!t && type === 'line')) { has = true; } }); } else if (Object.keys(types).length) { Object.keys(types).forEach(function (id) { if (types[id] === type) { has = true; } }); } else { has = $$.config.data_type === type; } return has; }; c3_chart_internal_fn.hasArcType = function (targets) { return this.hasType('pie', targets) || this.hasType('donut', targets) || this.hasType('gauge', targets); }; c3_chart_internal_fn.isLineType = function (d) { var config = this.config, id = isString(d) ? d : d.id; return !config.data_types[id] || ['line', 'spline', 'area', 'area-spline', 'step', 'area-step'].indexOf(config.data_types[id]) >= 0; }; c3_chart_internal_fn.isStepType = function (d) { var id = isString(d) ? d : d.id; return ['step', 'area-step'].indexOf(this.config.data_types[id]) >= 0; }; c3_chart_internal_fn.isSplineType = function (d) { var id = isString(d) ? d : d.id; return ['spline', 'area-spline'].indexOf(this.config.data_types[id]) >= 0; }; c3_chart_internal_fn.isAreaType = function (d) { var id = isString(d) ? d : d.id; return ['area', 'area-spline', 'area-step'].indexOf(this.config.data_types[id]) >= 0; }; c3_chart_internal_fn.isBarType = function (d) { var id = isString(d) ? d : d.id; return this.config.data_types[id] === 'bar'; }; c3_chart_internal_fn.isScatterType = function (d) { var id = isString(d) ? d : d.id; return this.config.data_types[id] === 'scatter'; }; c3_chart_internal_fn.isPieType = function (d) { var id = isString(d) ? d : d.id; return this.config.data_types[id] === 'pie'; }; c3_chart_internal_fn.isGaugeType = function (d) { var id = isString(d) ? d : d.id; return this.config.data_types[id] === 'gauge'; }; c3_chart_internal_fn.isDonutType = function (d) { var id = isString(d) ? d : d.id; return this.config.data_types[id] === 'donut'; }; c3_chart_internal_fn.isArcType = function (d) { return this.isPieType(d) || this.isDonutType(d) || this.isGaugeType(d); }; c3_chart_internal_fn.lineData = function (d) { return this.isLineType(d) ? [d] : []; }; c3_chart_internal_fn.arcData = function (d) { return this.isArcType(d.data) ? [d] : []; }; /* not used function scatterData(d) { return isScatterType(d) ? d.values : []; } */ c3_chart_internal_fn.barData = function (d) { return this.isBarType(d) ? d.values : []; }; c3_chart_internal_fn.lineOrScatterData = function (d) { return this.isLineType(d) || this.isScatterType(d) ? d.values : []; }; c3_chart_internal_fn.barOrLineData = function (d) { return this.isBarType(d) || this.isLineType(d) ? d.values : []; }; c3_chart_internal_fn.initGrid = function () { var $$ = this, config = $$.config, d3 = $$.d3; $$.grid = $$.main.append('g') .attr("clip-path", $$.clipPathForGrid) .attr('class', CLASS.grid); if (config.grid_x_show) { $$.grid.append("g").attr("class", CLASS.xgrids); } if (config.grid_y_show) { $$.grid.append('g').attr('class', CLASS.ygrids); } if (config.grid_focus_show) { $$.grid.append('g') .attr("class", CLASS.xgridFocus) .append('line') .attr('class', CLASS.xgridFocus); } $$.xgrid = d3.selectAll([]); if (!config.grid_lines_front) { $$.initGridLines(); } }; c3_chart_internal_fn.initGridLines = function () { var $$ = this, d3 = $$.d3; $$.gridLines = $$.main.append('g') .attr("clip-path", $$.clipPathForGrid) .attr('class', CLASS.grid + ' ' + CLASS.gridLines); $$.gridLines.append('g').attr("class", CLASS.xgridLines); $$.gridLines.append('g').attr('class', CLASS.ygridLines); $$.xgridLines = d3.selectAll([]); }; c3_chart_internal_fn.updateXGrid = function (withoutUpdate) { var $$ = this, config = $$.config, d3 = $$.d3, xgridData = $$.generateGridData(config.grid_x_type, $$.x), tickOffset = $$.isCategorized() ? $$.xAxis.tickOffset() : 0; $$.xgridAttr = config.axis_rotated ? { 'x1': 0, 'x2': $$.width, 'y1': function (d) { return $$.x(d) - tickOffset; }, 'y2': function (d) { return $$.x(d) - tickOffset; } } : { 'x1': function (d) { return $$.x(d) + tickOffset; }, 'x2': function (d) { return $$.x(d) + tickOffset; }, 'y1': 0, 'y2': $$.height }; $$.xgrid = $$.main.select('.' + CLASS.xgrids).selectAll('.' + CLASS.xgrid) .data(xgridData); $$.xgrid.enter().append('line').attr("class", CLASS.xgrid); if (!withoutUpdate) { $$.xgrid.attr($$.xgridAttr) .style("opacity", function () { return +d3.select(this).attr(config.axis_rotated ? 'y1' : 'x1') === (config.axis_rotated ? $$.height : 0) ? 0 : 1; }); } $$.xgrid.exit().remove(); }; c3_chart_internal_fn.updateYGrid = function () { var $$ = this, config = $$.config, gridValues = $$.yAxis.tickValues() || $$.y.ticks(config.grid_y_ticks); $$.ygrid = $$.main.select('.' + CLASS.ygrids).selectAll('.' + CLASS.ygrid) .data(gridValues); $$.ygrid.enter().append('line') .attr('class', CLASS.ygrid); $$.ygrid.attr("x1", config.axis_rotated ? $$.y : 0) .attr("x2", config.axis_rotated ? $$.y : $$.width) .attr("y1", config.axis_rotated ? 0 : $$.y) .attr("y2", config.axis_rotated ? $$.height : $$.y); $$.ygrid.exit().remove(); $$.smoothLines($$.ygrid, 'grid'); }; c3_chart_internal_fn.gridTextAnchor = function (d) { return d.position ? d.position : "end"; }; c3_chart_internal_fn.gridTextDx = function (d) { return d.position === 'start' ? 4 : d.position === 'middle' ? 0 : -4; }; c3_chart_internal_fn.xGridTextX = function (d) { return d.position === 'start' ? -this.height : d.position === 'middle' ? -this.height / 2 : 0; }; c3_chart_internal_fn.yGridTextX = function (d) { return d.position === 'start' ? 0 : d.position === 'middle' ? this.width / 2 : this.width; }; c3_chart_internal_fn.updateGrid = function (duration) { var $$ = this, main = $$.main, config = $$.config, xgridLine, ygridLine, yv; // hide if arc type $$.grid.style('visibility', $$.hasArcType() ? 'hidden' : 'visible'); main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden"); if (config.grid_x_show) { $$.updateXGrid(); } $$.xgridLines = main.select('.' + CLASS.xgridLines).selectAll('.' + CLASS.xgridLine) .data(config.grid_x_lines); // enter xgridLine = $$.xgridLines.enter().append('g') .attr("class", function (d) { return CLASS.xgridLine + (d['class'] ? ' ' + d['class'] : ''); }); xgridLine.append('line') .style("opacity", 0); xgridLine.append('text') .attr("text-anchor", $$.gridTextAnchor) .attr("transform", config.axis_rotated ? "" : "rotate(-90)") .attr('dx', $$.gridTextDx) .attr('dy', -5) .style("opacity", 0); // udpate // done in d3.transition() of the end of this function // exit $$.xgridLines.exit().transition().duration(duration) .style("opacity", 0) .remove(); // Y-Grid if (config.grid_y_show) { $$.updateYGrid(); } $$.ygridLines = main.select('.' + CLASS.ygridLines).selectAll('.' + CLASS.ygridLine) .data(config.grid_y_lines); // enter ygridLine = $$.ygridLines.enter().append('g') .attr("class", function (d) { return CLASS.ygridLine + (d['class'] ? ' ' + d['class'] : ''); }); ygridLine.append('line') .style("opacity", 0); ygridLine.append('text') .attr("text-anchor", $$.gridTextAnchor) .attr("transform", config.axis_rotated ? "rotate(-90)" : "") .attr('dx', $$.gridTextDx) .attr('dy', -5) .style("opacity", 0); // update yv = $$.yv.bind($$); $$.ygridLines.select('line') .transition().duration(duration) .attr("x1", config.axis_rotated ? yv : 0) .attr("x2", config.axis_rotated ? yv : $$.width) .attr("y1", config.axis_rotated ? 0 : yv) .attr("y2", config.axis_rotated ? $$.height : yv) .style("opacity", 1); $$.ygridLines.select('text') .transition().duration(duration) .attr("x", config.axis_rotated ? $$.xGridTextX.bind($$) : $$.yGridTextX.bind($$)) .attr("y", yv) .text(function (d) { return d.text; }) .style("opacity", 1); // exit $$.ygridLines.exit().transition().duration(duration) .style("opacity", 0) .remove(); }; c3_chart_internal_fn.redrawGrid = function (withTransition) { var $$ = this, config = $$.config, xv = $$.xv.bind($$), lines = $$.xgridLines.select('line'), texts = $$.xgridLines.select('text'); return [ (withTransition ? lines.transition() : lines) .attr("x1", config.axis_rotated ? 0 : xv) .attr("x2", config.axis_rotated ? $$.width : xv) .attr("y1", config.axis_rotated ? xv : 0) .attr("y2", config.axis_rotated ? xv : $$.height) .style("opacity", 1), (withTransition ? texts.transition() : texts) .attr("x", config.axis_rotated ? $$.yGridTextX.bind($$) : $$.xGridTextX.bind($$)) .attr("y", xv) .text(function (d) { return d.text; }) .style("opacity", 1) ]; }; c3_chart_internal_fn.showXGridFocus = function (selectedData) { var $$ = this, config = $$.config, dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); }), focusEl = $$.main.selectAll('line.' + CLASS.xgridFocus), xx = $$.xx.bind($$); if (! config.tooltip_show) { return; } // Hide when scatter plot exists if ($$.hasType('scatter') || $$.hasArcType()) { return; } focusEl .style("visibility", "visible") .data([dataToShow[0]]) .attr(config.axis_rotated ? 'y1' : 'x1', xx) .attr(config.axis_rotated ? 'y2' : 'x2', xx); $$.smoothLines(focusEl, 'grid'); }; c3_chart_internal_fn.hideXGridFocus = function () { this.main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden"); }; c3_chart_internal_fn.updateXgridFocus = function () { var $$ = this, config = $$.config; $$.main.select('line.' + CLASS.xgridFocus) .attr("x1", config.axis_rotated ? 0 : -10) .attr("x2", config.axis_rotated ? $$.width : -10) .attr("y1", config.axis_rotated ? -10 : 0) .attr("y2", config.axis_rotated ? -10 : $$.height); }; c3_chart_internal_fn.generateGridData = function (type, scale) { var $$ = this, gridData = [], xDomain, firstYear, lastYear, i, tickNum = $$.main.select("." + CLASS.axisX).selectAll('.tick').size(); if (type === 'year') { xDomain = $$.getXDomain(); firstYear = xDomain[0].getFullYear(); lastYear = xDomain[1].getFullYear(); for (i = firstYear; i <= lastYear; i++) { gridData.push(new Date(i + '-01-01 00:00:00')); } } else { gridData = scale.ticks(10); if (gridData.length > tickNum) { // use only int gridData = gridData.filter(function (d) { return ("" + d).indexOf('.') < 0; }); } } return gridData; }; c3_chart_internal_fn.getGridFilterToRemove = function (params) { return params ? function (line) { var found = false; [].concat(params).forEach(function (param) { if ((('value' in param && line.value === param.value) || ('class' in param && line['class'] === param['class']))) { found = true; } }); return found; } : function () { return true; }; }; c3_chart_internal_fn.removeGridLines = function (params, forX) { var $$ = this, config = $$.config, toRemove = $$.getGridFilterToRemove(params), toShow = function (line) { return !toRemove(line); }, classLines = forX ? CLASS.xgridLines : CLASS.ygridLines, classLine = forX ? CLASS.xgridLine : CLASS.ygridLine; $$.main.select('.' + classLines).selectAll('.' + classLine).filter(toRemove) .transition().duration(config.transition_duration) .style('opacity', 0).remove(); if (forX) { config.grid_x_lines = config.grid_x_lines.filter(toShow); } else { config.grid_y_lines = config.grid_y_lines.filter(toShow); } }; c3_chart_internal_fn.initTooltip = function () { var $$ = this, config = $$.config, i; $$.tooltip = $$.selectChart .style("position", "relative") .append("div") .attr('class', CLASS.tooltipContainer) .style("position", "absolute") .style("pointer-events", "none") .style("display", "none"); // Show tooltip if needed if (config.tooltip_init_show) { if ($$.isTimeSeries() && isString(config.tooltip_init_x)) { config.tooltip_init_x = $$.parseDate(config.tooltip_init_x); for (i = 0; i < $$.data.targets[0].values.length; i++) { if (($$.data.targets[0].values[i].x - config.tooltip_init_x) === 0) { break; } } config.tooltip_init_x = i; } $$.tooltip.html(config.tooltip_contents.call($$, $$.data.targets.map(function (d) { return $$.addName(d.values[config.tooltip_init_x]); }), $$.axis.getXAxisTickFormat(), $$.getYFormat($$.hasArcType()), $$.color)); $$.tooltip.style("top", config.tooltip_init_position.top) .style("left", config.tooltip_init_position.left) .style("display", "block"); } }; c3_chart_internal_fn.getTooltipContent = function (d, defaultTitleFormat, defaultValueFormat, color) { var $$ = this, config = $$.config, titleFormat = config.tooltip_format_title || defaultTitleFormat, nameFormat = config.tooltip_format_name || function (name) { return name; }, valueFormat = config.tooltip_format_value || defaultValueFormat, text, i, title, value, name, bgcolor; for (i = 0; i < d.length; i++) { if (! (d[i] && (d[i].value || d[i].value === 0))) { continue; } if (! text) { title = titleFormat ? titleFormat(d[i].x) : d[i].x; text = "<table class='" + CLASS.tooltip + "'>" + (title || title === 0 ? "<tr><th colspan='2'>" + title + "</th></tr>" : ""); } value = valueFormat(d[i].value, d[i].ratio, d[i].id, d[i].index); if (value !== undefined) { name = nameFormat(d[i].name, d[i].ratio, d[i].id, d[i].index); bgcolor = $$.levelColor ? $$.levelColor(d[i].value) : color(d[i].id); text += "<tr class='" + CLASS.tooltipName + "-" + d[i].id + "'>"; text += "<td class='name'><span style='background-color:" + bgcolor + "'></span>" + name + "</td>"; text += "<td class='value'>" + value + "</td>"; text += "</tr>"; } } return text + "</table>"; }; c3_chart_internal_fn.tooltipPosition = function (dataToShow, tWidth, tHeight, element) { var $$ = this, config = $$.config, d3 = $$.d3; var svgLeft, tooltipLeft, tooltipRight, tooltipTop, chartRight; var forArc = $$.hasArcType(), mouse = d3.mouse(element); // Determin tooltip position if (forArc) { tooltipLeft = (($$.width - ($$.isLegendRight ? $$.getLegendWidth() : 0)) / 2) + mouse[0]; tooltipTop = ($$.height / 2) + mouse[1] + 20; } else { svgLeft = $$.getSvgLeft(true); if (config.axis_rotated) { tooltipLeft = svgLeft + mouse[0] + 100; tooltipRight = tooltipLeft + tWidth; chartRight = $$.currentWidth - $$.getCurrentPaddingRight(); tooltipTop = $$.x(dataToShow[0].x) + 20; } else { tooltipLeft = svgLeft + $$.getCurrentPaddingLeft(true) + $$.x(dataToShow[0].x) + 20; tooltipRight = tooltipLeft + tWidth; chartRight = svgLeft + $$.currentWidth - $$.getCurrentPaddingRight(); tooltipTop = mouse[1] + 15; } if (tooltipRight > chartRight) { // 20 is needed for Firefox to keep tooletip width tooltipLeft -= tooltipRight - chartRight + 20; } if (tooltipTop + tHeight > $$.currentHeight) { tooltipTop -= tHeight + 30; } } if (tooltipTop < 0) { tooltipTop = 0; } return {top: tooltipTop, left: tooltipLeft}; }; c3_chart_internal_fn.showTooltip = function (selectedData, element) { var $$ = this, config = $$.config; var tWidth, tHeight, position; var forArc = $$.hasArcType(), dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); }), positionFunction = config.tooltip_position || c3_chart_internal_fn.tooltipPosition; if (dataToShow.length === 0 || !config.tooltip_show) { return; } $$.tooltip.html(config.tooltip_contents.call($$, selectedData, $$.axis.getXAxisTickFormat(), $$.getYFormat(forArc), $$.color)).style("display", "block"); // Get tooltip dimensions tWidth = $$.tooltip.property('offsetWidth'); tHeight = $$.tooltip.property('offsetHeight'); position = positionFunction.call(this, dataToShow, tWidth, tHeight, element); // Set tooltip $$.tooltip .style("top", position.top + "px") .style("left", position.left + 'px'); }; c3_chart_internal_fn.hideTooltip = function () { this.tooltip.style("display", "none"); }; c3_chart_internal_fn.initLegend = function () { var $$ = this; $$.legendItemTextBox = {}; $$.legendHasRendered = false; $$.legend = $$.svg.append("g").attr("transform", $$.getTranslate('legend')); if (!$$.config.legend_show) { $$.legend.style('visibility', 'hidden'); $$.hiddenLegendIds = $$.mapToIds($$.data.targets); return; } // MEMO: call here to update legend box and tranlate for all // MEMO: translate will be upated by this, so transform not needed in updateLegend() $$.updateLegendWithDefaults(); }; c3_chart_internal_fn.updateLegendWithDefaults = function () { var $$ = this; $$.updateLegend($$.mapToIds($$.data.targets), {withTransform: false, withTransitionForTransform: false, withTransition: false}); }; c3_chart_internal_fn.updateSizeForLegend = function (legendHeight, legendWidth) { var $$ = this, config = $$.config, insetLegendPosition = { top: $$.isLegendTop ? $$.getCurrentPaddingTop() + config.legend_inset_y + 5.5 : $$.currentHeight - legendHeight - $$.getCurrentPaddingBottom() - config.legend_inset_y, left: $$.isLegendLeft ? $$.getCurrentPaddingLeft() + config.legend_inset_x + 0.5 : $$.currentWidth - legendWidth - $$.getCurrentPaddingRight() - config.legend_inset_x + 0.5 }; $$.margin3 = { top: $$.isLegendRight ? 0 : $$.isLegendInset ? insetLegendPosition.top : $$.currentHeight - legendHeight, right: NaN, bottom: 0, left: $$.isLegendRight ? $$.currentWidth - legendWidth : $$.isLegendInset ? insetLegendPosition.left : 0 }; }; c3_chart_internal_fn.transformLegend = function (withTransition) { var $$ = this; (withTransition ? $$.legend.transition() : $$.legend).attr("transform", $$.getTranslate('legend')); }; c3_chart_internal_fn.updateLegendStep = function (step) { this.legendStep = step; }; c3_chart_internal_fn.updateLegendItemWidth = function (w) { this.legendItemWidth = w; }; c3_chart_internal_fn.updateLegendItemHeight = function (h) { this.legendItemHeight = h; }; c3_chart_internal_fn.getLegendWidth = function () { var $$ = this; return $$.config.legend_show ? $$.isLegendRight || $$.isLegendInset ? $$.legendItemWidth * ($$.legendStep + 1) : $$.currentWidth : 0; }; c3_chart_internal_fn.getLegendHeight = function () { var $$ = this, h = 0; if ($$.config.legend_show) { if ($$.isLegendRight) { h = $$.currentHeight; } else { h = Math.max(20, $$.legendItemHeight) * ($$.legendStep + 1); } } return h; }; c3_chart_internal_fn.opacityForLegend = function (legendItem) { return legendItem.classed(CLASS.legendItemHidden) ? null : 1; }; c3_chart_internal_fn.opacityForUnfocusedLegend = function (legendItem) { return legendItem.classed(CLASS.legendItemHidden) ? null : 0.3; }; c3_chart_internal_fn.toggleFocusLegend = function (targetIds, focus) { var $$ = this; targetIds = $$.mapToTargetIds(targetIds); $$.legend.selectAll('.' + CLASS.legendItem) .filter(function (id) { return targetIds.indexOf(id) >= 0; }) .classed(CLASS.legendItemFocused, focus) .transition().duration(100) .style('opacity', function () { var opacity = focus ? $$.opacityForLegend : $$.opacityForUnfocusedLegend; return opacity.call($$, $$.d3.select(this)); }); }; c3_chart_internal_fn.revertLegend = function () { var $$ = this, d3 = $$.d3; $$.legend.selectAll('.' + CLASS.legendItem) .classed(CLASS.legendItemFocused, false) .transition().duration(100) .style('opacity', function () { return $$.opacityForLegend(d3.select(this)); }); }; c3_chart_internal_fn.showLegend = function (targetIds) { var $$ = this, config = $$.config; if (!config.legend_show) { config.legend_show = true; $$.legend.style('visibility', 'visible'); if (!$$.legendHasRendered) { $$.updateLegendWithDefaults(); } } $$.removeHiddenLegendIds(targetIds); $$.legend.selectAll($$.selectorLegends(targetIds)) .style('visibility', 'visible') .transition() .style('opacity', function () { return $$.opacityForLegend($$.d3.select(this)); }); }; c3_chart_internal_fn.hideLegend = function (targetIds) { var $$ = this, config = $$.config; if (config.legend_show && isEmpty(targetIds)) { config.legend_show = false; $$.legend.style('visibility', 'hidden'); } $$.addHiddenLegendIds(targetIds); $$.legend.selectAll($$.selectorLegends(targetIds)) .style('opacity', 0) .style('visibility', 'hidden'); }; c3_chart_internal_fn.clearLegendItemTextBoxCache = function () { this.legendItemTextBox = {}; }; c3_chart_internal_fn.updateLegend = function (targetIds, options, transitions) { var $$ = this, config = $$.config; var xForLegend, xForLegendText, xForLegendRect, yForLegend, yForLegendText, yForLegendRect; var paddingTop = 4, paddingRight = 10, maxWidth = 0, maxHeight = 0, posMin = 10, tileWidth = 15; var l, totalLength = 0, offsets = {}, widths = {}, heights = {}, margins = [0], steps = {}, step = 0; var withTransition, withTransitionForTransform; var texts, rects, tiles, background; options = options || {}; withTransition = getOption(options, "withTransition", true); withTransitionForTransform = getOption(options, "withTransitionForTransform", true); function getTextBox(textElement, id) { if (!$$.legendItemTextBox[id]) { $$.legendItemTextBox[id] = $$.getTextRect(textElement.textContent, CLASS.legendItem); } return $$.legendItemTextBox[id]; } function updatePositions(textElement, id, index) { var reset = index === 0, isLast = index === targetIds.length - 1, box = getTextBox(textElement, id), itemWidth = box.width + tileWidth + (isLast && !($$.isLegendRight || $$.isLegendInset) ? 0 : paddingRight), itemHeight = box.height + paddingTop, itemLength = $$.isLegendRight || $$.isLegendInset ? itemHeight : itemWidth, areaLength = $$.isLegendRight || $$.isLegendInset ? $$.getLegendHeight() : $$.getLegendWidth(), margin, maxLength; // MEMO: care about condifion of step, totalLength function updateValues(id, withoutStep) { if (!withoutStep) { margin = (areaLength - totalLength - itemLength) / 2; if (margin < posMin) { margin = (areaLength - itemLength) / 2; totalLength = 0; step++; } } steps[id] = step; margins[step] = $$.isLegendInset ? 10 : margin; offsets[id] = totalLength; totalLength += itemLength; } if (reset) { totalLength = 0; step = 0; maxWidth = 0; maxHeight = 0; } if (config.legend_show && !$$.isLegendToShow(id)) { widths[id] = heights[id] = steps[id] = offsets[id] = 0; return; } widths[id] = itemWidth; heights[id] = itemHeight; if (!maxWidth || itemWidth >= maxWidth) { maxWidth = itemWidth; } if (!maxHeight || itemHeight >= maxHeight) { maxHeight = itemHeight; } maxLength = $$.isLegendRight || $$.isLegendInset ? maxHeight : maxWidth; if (config.legend_equally) { Object.keys(widths).forEach(function (id) { widths[id] = maxWidth; }); Object.keys(heights).forEach(function (id) { heights[id] = maxHeight; }); margin = (areaLength - maxLength * targetIds.length) / 2; if (margin < posMin) { totalLength = 0; step = 0; targetIds.forEach(function (id) { updateValues(id); }); } else { updateValues(id, true); } } else { updateValues(id); } } if ($$.isLegendInset) { step = config.legend_inset_step ? config.legend_inset_step : targetIds.length; $$.updateLegendStep(step); } if ($$.isLegendRight) { xForLegend = function (id) { return maxWidth * steps[id]; }; yForLegend = function (id) { return margins[steps[id]] + offsets[id]; }; } else if ($$.isLegendInset) { xForLegend = function (id) { return maxWidth * steps[id] + 10; }; yForLegend = function (id) { return margins[steps[id]] + offsets[id]; }; } else { xForLegend = function (id) { return margins[steps[id]] + offsets[id]; }; yForLegend = function (id) { return maxHeight * steps[id]; }; } xForLegendText = function (id, i) { return xForLegend(id, i) + 14; }; yForLegendText = function (id, i) { return yForLegend(id, i) + 9; }; xForLegendRect = function (id, i) { return xForLegend(id, i); }; yForLegendRect = function (id, i) { return yForLegend(id, i) - 5; }; // Define g for legend area l = $$.legend.selectAll('.' + CLASS.legendItem) .data(targetIds) .enter().append('g') .attr('class', function (id) { return $$.generateClass(CLASS.legendItem, id); }) .style('visibility', function (id) { return $$.isLegendToShow(id) ? 'visible' : 'hidden'; }) .style('cursor', 'pointer') .on('click', function (id) { if (config.legend_item_onclick) { config.legend_item_onclick.call($$, id); } else { if ($$.d3.event.altKey) { $$.api.hide(); $$.api.show(id); } else { $$.api.toggle(id); $$.isTargetToShow(id) ? $$.api.focus(id) : $$.api.revert(); } } }) .on('mouseover', function (id) { $$.d3.select(this).classed(CLASS.legendItemFocused, true); if (!$$.transiting && $$.isTargetToShow(id)) { $$.api.focus(id); } if (config.legend_item_onmouseover) { config.legend_item_onmouseover.call($$, id); } }) .on('mouseout', function (id) { $$.d3.select(this).classed(CLASS.legendItemFocused, false); $$.api.revert(); if (config.legend_item_onmouseout) { config.legend_item_onmouseout.call($$, id); } }); l.append('text') .text(function (id) { return isDefined(config.data_names[id]) ? config.data_names[id] : id; }) .each(function (id, i) { updatePositions(this, id, i); }) .style("pointer-events", "none") .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendText : -200) .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendText); l.append('rect') .attr("class", CLASS.legendItemEvent) .style('fill-opacity', 0) .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendRect : -200) .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendRect); l.append('rect') .attr("class", CLASS.legendItemTile) .style("pointer-events", "none") .style('fill', $$.color) .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendText : -200) .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegend) .attr('width', 10) .attr('height', 10); // Set background for inset legend background = $$.legend.select('.' + CLASS.legendBackground + ' rect'); if ($$.isLegendInset && maxWidth > 0 && background.size() === 0) { background = $$.legend.insert('g', '.' + CLASS.legendItem) .attr("class", CLASS.legendBackground) .append('rect'); } texts = $$.legend.selectAll('text') .data(targetIds) .text(function (id) { return isDefined(config.data_names[id]) ? config.data_names[id] : id; }) // MEMO: needed for update .each(function (id, i) { updatePositions(this, id, i); }); (withTransition ? texts.transition() : texts) .attr('x', xForLegendText) .attr('y', yForLegendText); rects = $$.legend.selectAll('rect.' + CLASS.legendItemEvent) .data(targetIds); (withTransition ? rects.transition() : rects) .attr('width', function (id) { return widths[id]; }) .attr('height', function (id) { return heights[id]; }) .attr('x', xForLegendRect) .attr('y', yForLegendRect); tiles = $$.legend.selectAll('rect.' + CLASS.legendItemTile) .data(targetIds); (withTransition ? tiles.transition() : tiles) .style('fill', $$.color) .attr('x', xForLegend) .attr('y', yForLegend); if (background) { (withTransition ? background.transition() : background) .attr('height', $$.getLegendHeight() - 12) .attr('width', maxWidth * (step + 1) + 10); } // toggle legend state $$.legend.selectAll('.' + CLASS.legendItem) .classed(CLASS.legendItemHidden, function (id) { return !$$.isTargetToShow(id); }); // Update all to reflect change of legend $$.updateLegendItemWidth(maxWidth); $$.updateLegendItemHeight(maxHeight); $$.updateLegendStep(step); // Update size and scale $$.updateSizes(); $$.updateScales(); $$.updateSvgSize(); // Update g positions $$.transformAll(withTransitionForTransform, transitions); $$.legendHasRendered = true; }; function Axis(owner) { API.call(this, owner); } inherit(API, Axis); Axis.prototype.init = function init() { var $$ = this.owner, config = $$.config, main = $$.main; $$.axes.x = main.append("g") .attr("class", CLASS.axis + ' ' + CLASS.axisX) .attr("clip-path", $$.clipPathForXAxis) .attr("transform", $$.getTranslate('x')) .style("visibility", config.axis_x_show ? 'visible' : 'hidden'); $$.axes.x.append("text") .attr("class", CLASS.axisXLabel) .attr("transform", config.axis_rotated ? "rotate(-90)" : "") .style("text-anchor", this.textAnchorForXAxisLabel.bind(this)); $$.axes.y = main.append("g") .attr("class", CLASS.axis + ' ' + CLASS.axisY) .attr("clip-path", config.axis_y_inner ? "" : $$.clipPathForYAxis) .attr("transform", $$.getTranslate('y')) .style("visibility", config.axis_y_show ? 'visible' : 'hidden'); $$.axes.y.append("text") .attr("class", CLASS.axisYLabel) .attr("transform", config.axis_rotated ? "" : "rotate(-90)") .style("text-anchor", this.textAnchorForYAxisLabel.bind(this)); $$.axes.y2 = main.append("g") .attr("class", CLASS.axis + ' ' + CLASS.axisY2) // clip-path? .attr("transform", $$.getTranslate('y2')) .style("visibility", config.axis_y2_show ? 'visible' : 'hidden'); $$.axes.y2.append("text") .attr("class", CLASS.axisY2Label) .attr("transform", config.axis_rotated ? "" : "rotate(-90)") .style("text-anchor", this.textAnchorForY2AxisLabel.bind(this)); }; Axis.prototype.getXAxis = function getXAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) { var $$ = this.owner, config = $$.config, axisParams = { isCategory: $$.isCategorized(), withOuterTick: withOuterTick, tickMultiline: config.axis_x_tick_multiline, tickWidth: config.axis_x_tick_width, tickTextRotate: withoutRotateTickText ? 0 : config.axis_x_tick_rotate, withoutTransition: withoutTransition, }, axis = c3_axis($$.d3, axisParams).scale(scale).orient(orient); if ($$.isTimeSeries() && tickValues) { tickValues = tickValues.map(function (v) { return $$.parseDate(v); }); } // Set tick axis.tickFormat(tickFormat).tickValues(tickValues); if ($$.isCategorized()) { axis.tickCentered(config.axis_x_tick_centered); if (isEmpty(config.axis_x_tick_culling)) { config.axis_x_tick_culling = false; } } return axis; }; Axis.prototype.updateXAxisTickValues = function updateXAxisTickValues(targets, axis) { var $$ = this.owner, config = $$.config, tickValues; if (config.axis_x_tick_fit || config.axis_x_tick_count) { tickValues = this.generateTickValues($$.mapTargetsToUniqueXs(targets), config.axis_x_tick_count, $$.isTimeSeries()); } if (axis) { axis.tickValues(tickValues); } else { $$.xAxis.tickValues(tickValues); $$.subXAxis.tickValues(tickValues); } return tickValues; }; Axis.prototype.getYAxis = function getYAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition) { var axisParams = { withOuterTick: withOuterTick, withoutTransition: withoutTransition, }, $$ = this.owner, d3 = $$.d3, config = $$.config, axis = c3_axis(d3, axisParams).scale(scale).orient(orient).tickFormat(tickFormat); if ($$.isTimeSeriesY()) { axis.ticks(d3.time[config.axis_y_tick_time_value], config.axis_y_tick_time_interval); } else { axis.tickValues(tickValues); } return axis; }; Axis.prototype.getId = function getId(id) { var config = this.owner.config; return id in config.data_axes ? config.data_axes[id] : 'y'; }; Axis.prototype.getXAxisTickFormat = function getXAxisTickFormat() { var $$ = this.owner, config = $$.config, format = $$.isTimeSeries() ? $$.defaultAxisTimeFormat : $$.isCategorized() ? $$.categoryName : function (v) { return v < 0 ? v.toFixed(0) : v; }; if (config.axis_x_tick_format) { if (isFunction(config.axis_x_tick_format)) { format = config.axis_x_tick_format; } else if ($$.isTimeSeries()) { format = function (date) { return date ? $$.axisTimeFormat(config.axis_x_tick_format)(date) : ""; }; } } return isFunction(format) ? function (v) { return format.call($$, v); } : format; }; Axis.prototype.getTickValues = function getTickValues(tickValues, axis) { return tickValues ? tickValues : axis ? axis.tickValues() : undefined; }; Axis.prototype.getXAxisTickValues = function getXAxisTickValues() { return this.getTickValues(this.owner.config.axis_x_tick_values, this.owner.xAxis); }; Axis.prototype.getYAxisTickValues = function getYAxisTickValues() { return this.getTickValues(this.owner.config.axis_y_tick_values, this.owner.yAxis); }; Axis.prototype.getY2AxisTickValues = function getY2AxisTickValues() { return this.getTickValues(this.owner.config.axis_y2_tick_values, this.owner.y2Axis); }; Axis.prototype.getLabelOptionByAxisId = function getLabelOptionByAxisId(axisId) { var $$ = this.owner, config = $$.config, option; if (axisId === 'y') { option = config.axis_y_label; } else if (axisId === 'y2') { option = config.axis_y2_label; } else if (axisId === 'x') { option = config.axis_x_label; } return option; }; Axis.prototype.getLabelText = function getLabelText(axisId) { var option = this.getLabelOptionByAxisId(axisId); return isString(option) ? option : option ? option.text : null; }; Axis.prototype.setLabelText = function setLabelText(axisId, text) { var $$ = this.owner, config = $$.config, option = this.getLabelOptionByAxisId(axisId); if (isString(option)) { if (axisId === 'y') { config.axis_y_label = text; } else if (axisId === 'y2') { config.axis_y2_label = text; } else if (axisId === 'x') { config.axis_x_label = text; } } else if (option) { option.text = text; } }; Axis.prototype.getLabelPosition = function getLabelPosition(axisId, defaultPosition) { var option = this.getLabelOptionByAxisId(axisId), position = (option && typeof option === 'object' && option.position) ? option.position : defaultPosition; return { isInner: position.indexOf('inner') >= 0, isOuter: position.indexOf('outer') >= 0, isLeft: position.indexOf('left') >= 0, isCenter: position.indexOf('center') >= 0, isRight: position.indexOf('right') >= 0, isTop: position.indexOf('top') >= 0, isMiddle: position.indexOf('middle') >= 0, isBottom: position.indexOf('bottom') >= 0 }; }; Axis.prototype.getXAxisLabelPosition = function getXAxisLabelPosition() { return this.getLabelPosition('x', this.owner.config.axis_rotated ? 'inner-top' : 'inner-right'); }; Axis.prototype.getYAxisLabelPosition = function getYAxisLabelPosition() { return this.getLabelPosition('y', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top'); }; Axis.prototype.getY2AxisLabelPosition = function getY2AxisLabelPosition() { return this.getLabelPosition('y2', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top'); }; Axis.prototype.getLabelPositionById = function getLabelPositionById(id) { return id === 'y2' ? this.getY2AxisLabelPosition() : id === 'y' ? this.getYAxisLabelPosition() : this.getXAxisLabelPosition(); }; Axis.prototype.textForXAxisLabel = function textForXAxisLabel() { return this.getLabelText('x'); }; Axis.prototype.textForYAxisLabel = function textForYAxisLabel() { return this.getLabelText('y'); }; Axis.prototype.textForY2AxisLabel = function textForY2AxisLabel() { return this.getLabelText('y2'); }; Axis.prototype.xForAxisLabel = function xForAxisLabel(forHorizontal, position) { var $$ = this.owner; if (forHorizontal) { return position.isLeft ? 0 : position.isCenter ? $$.width / 2 : $$.width; } else { return position.isBottom ? -$$.height : position.isMiddle ? -$$.height / 2 : 0; } }; Axis.prototype.dxForAxisLabel = function dxForAxisLabel(forHorizontal, position) { if (forHorizontal) { return position.isLeft ? "0.5em" : position.isRight ? "-0.5em" : "0"; } else { return position.isTop ? "-0.5em" : position.isBottom ? "0.5em" : "0"; } }; Axis.prototype.textAnchorForAxisLabel = function textAnchorForAxisLabel(forHorizontal, position) { if (forHorizontal) { return position.isLeft ? 'start' : position.isCenter ? 'middle' : 'end'; } else { return position.isBottom ? 'start' : position.isMiddle ? 'middle' : 'end'; } }; Axis.prototype.xForXAxisLabel = function xForXAxisLabel() { return this.xForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition()); }; Axis.prototype.xForYAxisLabel = function xForYAxisLabel() { return this.xForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition()); }; Axis.prototype.xForY2AxisLabel = function xForY2AxisLabel() { return this.xForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition()); }; Axis.prototype.dxForXAxisLabel = function dxForXAxisLabel() { return this.dxForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition()); }; Axis.prototype.dxForYAxisLabel = function dxForYAxisLabel() { return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition()); }; Axis.prototype.dxForY2AxisLabel = function dxForY2AxisLabel() { return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition()); }; Axis.prototype.dyForXAxisLabel = function dyForXAxisLabel() { var $$ = this.owner, config = $$.config, position = this.getXAxisLabelPosition(); if (config.axis_rotated) { return position.isInner ? "1.2em" : -25 - this.getMaxTickWidth('x'); } else { return position.isInner ? "-0.5em" : config.axis_x_height ? config.axis_x_height - 10 : "3em"; } }; Axis.prototype.dyForYAxisLabel = function dyForYAxisLabel() { var $$ = this.owner, position = this.getYAxisLabelPosition(); if ($$.config.axis_rotated) { return position.isInner ? "-0.5em" : "3em"; } else { return position.isInner ? "1.2em" : -10 - ($$.config.axis_y_inner ? 0 : (this.getMaxTickWidth('y') + 10)); } }; Axis.prototype.dyForY2AxisLabel = function dyForY2AxisLabel() { var $$ = this.owner, position = this.getY2AxisLabelPosition(); if ($$.config.axis_rotated) { return position.isInner ? "1.2em" : "-2.2em"; } else { return position.isInner ? "-0.5em" : 15 + ($$.config.axis_y2_inner ? 0 : (this.getMaxTickWidth('y2') + 15)); } }; Axis.prototype.textAnchorForXAxisLabel = function textAnchorForXAxisLabel() { var $$ = this.owner; return this.textAnchorForAxisLabel(!$$.config.axis_rotated, this.getXAxisLabelPosition()); }; Axis.prototype.textAnchorForYAxisLabel = function textAnchorForYAxisLabel() { var $$ = this.owner; return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getYAxisLabelPosition()); }; Axis.prototype.textAnchorForY2AxisLabel = function textAnchorForY2AxisLabel() { var $$ = this.owner; return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getY2AxisLabelPosition()); }; Axis.prototype.getMaxTickWidth = function getMaxTickWidth(id, withoutRecompute) { var $$ = this.owner, config = $$.config, maxWidth = 0, targetsToShow, scale, axis, dummy, svg; if (withoutRecompute && $$.currentMaxTickWidths[id]) { return $$.currentMaxTickWidths[id]; } if ($$.svg) { targetsToShow = $$.filterTargetsToShow($$.data.targets); if (id === 'y') { scale = $$.y.copy().domain($$.getYDomain(targetsToShow, 'y')); axis = this.getYAxis(scale, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, false, true); } else if (id === 'y2') { scale = $$.y2.copy().domain($$.getYDomain(targetsToShow, 'y2')); axis = this.getYAxis(scale, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, false, true); } else { scale = $$.x.copy().domain($$.getXDomain(targetsToShow)); axis = this.getXAxis(scale, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, false, true, true); this.updateXAxisTickValues(targetsToShow, axis); } dummy = $$.d3.select('body').append('div').classed('c3', true); svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0), svg.append('g').call(axis).each(function () { $$.d3.select(this).selectAll('text').each(function () { var box = this.getBoundingClientRect(); if (maxWidth < box.width) { maxWidth = box.width; } }); dummy.remove(); }); } $$.currentMaxTickWidths[id] = maxWidth <= 0 ? $$.currentMaxTickWidths[id] : maxWidth; return $$.currentMaxTickWidths[id]; }; Axis.prototype.updateLabels = function updateLabels(withTransition) { var $$ = this.owner; var axisXLabel = $$.main.select('.' + CLASS.axisX + ' .' + CLASS.axisXLabel), axisYLabel = $$.main.select('.' + CLASS.axisY + ' .' + CLASS.axisYLabel), axisY2Label = $$.main.select('.' + CLASS.axisY2 + ' .' + CLASS.axisY2Label); (withTransition ? axisXLabel.transition() : axisXLabel) .attr("x", this.xForXAxisLabel.bind(this)) .attr("dx", this.dxForXAxisLabel.bind(this)) .attr("dy", this.dyForXAxisLabel.bind(this)) .text(this.textForXAxisLabel.bind(this)); (withTransition ? axisYLabel.transition() : axisYLabel) .attr("x", this.xForYAxisLabel.bind(this)) .attr("dx", this.dxForYAxisLabel.bind(this)) .attr("dy", this.dyForYAxisLabel.bind(this)) .text(this.textForYAxisLabel.bind(this)); (withTransition ? axisY2Label.transition() : axisY2Label) .attr("x", this.xForY2AxisLabel.bind(this)) .attr("dx", this.dxForY2AxisLabel.bind(this)) .attr("dy", this.dyForY2AxisLabel.bind(this)) .text(this.textForY2AxisLabel.bind(this)); }; Axis.prototype.getPadding = function getPadding(padding, key, defaultValue, domainLength) { if (!isValue(padding[key])) { return defaultValue; } if (padding.unit === 'ratio') { return padding[key] * domainLength; } // assume padding is pixels if unit is not specified return this.convertPixelsToAxisPadding(padding[key], domainLength); }; Axis.prototype.convertPixelsToAxisPadding = function convertPixelsToAxisPadding(pixels, domainLength) { var $$ = this.owner, length = $$.config.axis_rotated ? $$.width : $$.height; return domainLength * (pixels / length); }; Axis.prototype.generateTickValues = function generateTickValues(values, tickCount, forTimeSeries) { var tickValues = values, targetCount, start, end, count, interval, i, tickValue; if (tickCount) { targetCount = isFunction(tickCount) ? tickCount() : tickCount; // compute ticks according to tickCount if (targetCount === 1) { tickValues = [values[0]]; } else if (targetCount === 2) { tickValues = [values[0], values[values.length - 1]]; } else if (targetCount > 2) { count = targetCount - 2; start = values[0]; end = values[values.length - 1]; interval = (end - start) / (count + 1); // re-construct unique values tickValues = [start]; for (i = 0; i < count; i++) { tickValue = +start + interval * (i + 1); tickValues.push(forTimeSeries ? new Date(tickValue) : tickValue); } tickValues.push(end); } } if (!forTimeSeries) { tickValues = tickValues.sort(function (a, b) { return a - b; }); } return tickValues; }; Axis.prototype.generateTransitions = function generateTransitions(duration) { var $$ = this.owner, axes = $$.axes; return { axisX: duration ? axes.x.transition().duration(duration) : axes.x, axisY: duration ? axes.y.transition().duration(duration) : axes.y, axisY2: duration ? axes.y2.transition().duration(duration) : axes.y2, axisSubX: duration ? axes.subx.transition().duration(duration) : axes.subx }; }; Axis.prototype.redraw = function redraw(transitions, isHidden) { var $$ = this.owner; $$.axes.x.style("opacity", isHidden ? 0 : 1); $$.axes.y.style("opacity", isHidden ? 0 : 1); $$.axes.y2.style("opacity", isHidden ? 0 : 1); $$.axes.subx.style("opacity", isHidden ? 0 : 1); transitions.axisX.call($$.xAxis); transitions.axisY.call($$.yAxis); transitions.axisY2.call($$.y2Axis); transitions.axisSubX.call($$.subXAxis); }; c3_chart_internal_fn.getClipPath = function (id) { var isIE9 = window.navigator.appVersion.toLowerCase().indexOf("msie 9.") >= 0; return "url(" + (isIE9 ? "" : document.URL.split('#')[0]) + "#" + id + ")"; }; c3_chart_internal_fn.appendClip = function (parent, id) { return parent.append("clipPath").attr("id", id).append("rect"); }; c3_chart_internal_fn.getAxisClipX = function (forHorizontal) { // axis line width + padding for left var left = Math.max(30, this.margin.left); return forHorizontal ? -(1 + left) : -(left - 1); }; c3_chart_internal_fn.getAxisClipY = function (forHorizontal) { return forHorizontal ? -20 : -this.margin.top; }; c3_chart_internal_fn.getXAxisClipX = function () { var $$ = this; return $$.getAxisClipX(!$$.config.axis_rotated); }; c3_chart_internal_fn.getXAxisClipY = function () { var $$ = this; return $$.getAxisClipY(!$$.config.axis_rotated); }; c3_chart_internal_fn.getYAxisClipX = function () { var $$ = this; return $$.config.axis_y_inner ? -1 : $$.getAxisClipX($$.config.axis_rotated); }; c3_chart_internal_fn.getYAxisClipY = function () { var $$ = this; return $$.getAxisClipY($$.config.axis_rotated); }; c3_chart_internal_fn.getAxisClipWidth = function (forHorizontal) { var $$ = this, left = Math.max(30, $$.margin.left), right = Math.max(30, $$.margin.right); // width + axis line width + padding for left/right return forHorizontal ? $$.width + 2 + left + right : $$.margin.left + 20; }; c3_chart_internal_fn.getAxisClipHeight = function (forHorizontal) { // less than 20 is not enough to show the axis label 'outer' without legend return (forHorizontal ? this.margin.bottom : (this.margin.top + this.height)) + 20; }; c3_chart_internal_fn.getXAxisClipWidth = function () { var $$ = this; return $$.getAxisClipWidth(!$$.config.axis_rotated); }; c3_chart_internal_fn.getXAxisClipHeight = function () { var $$ = this; return $$.getAxisClipHeight(!$$.config.axis_rotated); }; c3_chart_internal_fn.getYAxisClipWidth = function () { var $$ = this; return $$.getAxisClipWidth($$.config.axis_rotated) + ($$.config.axis_y_inner ? 20 : 0); }; c3_chart_internal_fn.getYAxisClipHeight = function () { var $$ = this; return $$.getAxisClipHeight($$.config.axis_rotated); }; c3_chart_internal_fn.initPie = function () { var $$ = this, d3 = $$.d3, config = $$.config; $$.pie = d3.layout.pie().value(function (d) { return d.values.reduce(function (a, b) { return a + b.value; }, 0); }); if (!config.data_order) { $$.pie.sort(null); } }; c3_chart_internal_fn.updateRadius = function () { var $$ = this, config = $$.config, w = config.gauge_width || config.donut_width; $$.radiusExpanded = Math.min($$.arcWidth, $$.arcHeight) / 2; $$.radius = $$.radiusExpanded * 0.95; $$.innerRadiusRatio = w ? ($$.radius - w) / $$.radius : 0.6; $$.innerRadius = $$.hasType('donut') || $$.hasType('gauge') ? $$.radius * $$.innerRadiusRatio : 0; }; c3_chart_internal_fn.updateArc = function () { var $$ = this; $$.svgArc = $$.getSvgArc(); $$.svgArcExpanded = $$.getSvgArcExpanded(); $$.svgArcExpandedSub = $$.getSvgArcExpanded(0.98); }; c3_chart_internal_fn.updateAngle = function (d) { var $$ = this, config = $$.config, found = false, index = 0, gMin = config.gauge_min, gMax = config.gauge_max, gTic, gValue; $$.pie($$.filterTargetsToShow($$.data.targets)).forEach(function (t) { if (! found && t.data.id === d.data.id) { found = true; d = t; d.index = index; } index++; }); if (isNaN(d.startAngle)) { d.startAngle = 0; } if (isNaN(d.endAngle)) { d.endAngle = d.startAngle; } if ($$.isGaugeType(d.data)) { gTic = (Math.PI) / (gMax - gMin); gValue = d.value < gMin ? 0 : d.value < gMax ? d.value - gMin : (gMax - gMin); d.startAngle = -1 * (Math.PI / 2); d.endAngle = d.startAngle + gTic * gValue; } return found ? d : null; }; c3_chart_internal_fn.getSvgArc = function () { var $$ = this, arc = $$.d3.svg.arc().outerRadius($$.radius).innerRadius($$.innerRadius), newArc = function (d, withoutUpdate) { var updated; if (withoutUpdate) { return arc(d); } // for interpolate updated = $$.updateAngle(d); return updated ? arc(updated) : "M 0 0"; }; // TODO: extends all function newArc.centroid = arc.centroid; return newArc; }; c3_chart_internal_fn.getSvgArcExpanded = function (rate) { var $$ = this, arc = $$.d3.svg.arc().outerRadius($$.radiusExpanded * (rate ? rate : 1)).innerRadius($$.innerRadius); return function (d) { var updated = $$.updateAngle(d); return updated ? arc(updated) : "M 0 0"; }; }; c3_chart_internal_fn.getArc = function (d, withoutUpdate, force) { return force || this.isArcType(d.data) ? this.svgArc(d, withoutUpdate) : "M 0 0"; }; c3_chart_internal_fn.transformForArcLabel = function (d) { var $$ = this, updated = $$.updateAngle(d), c, x, y, h, ratio, translate = ""; if (updated && !$$.hasType('gauge')) { c = this.svgArc.centroid(updated); x = isNaN(c[0]) ? 0 : c[0]; y = isNaN(c[1]) ? 0 : c[1]; h = Math.sqrt(x * x + y * y); // TODO: ratio should be an option? ratio = $$.radius && h ? (36 / $$.radius > 0.375 ? 1.175 - 36 / $$.radius : 0.8) * $$.radius / h : 0; translate = "translate(" + (x * ratio) + ',' + (y * ratio) + ")"; } return translate; }; c3_chart_internal_fn.getArcRatio = function (d) { var $$ = this, whole = $$.hasType('gauge') ? Math.PI : (Math.PI * 2); return d ? (d.endAngle - d.startAngle) / whole : null; }; c3_chart_internal_fn.convertToArcData = function (d) { return this.addName({ id: d.data.id, value: d.value, ratio: this.getArcRatio(d), index: d.index }); }; c3_chart_internal_fn.textForArcLabel = function (d) { var $$ = this, updated, value, ratio, id, format; if (! $$.shouldShowArcLabel()) { return ""; } updated = $$.updateAngle(d); value = updated ? updated.value : null; ratio = $$.getArcRatio(updated); id = d.data.id; if (! $$.hasType('gauge') && ! $$.meetsArcLabelThreshold(ratio)) { return ""; } format = $$.getArcLabelFormat(); return format ? format(value, ratio, id) : $$.defaultArcValueFormat(value, ratio); }; c3_chart_internal_fn.expandArc = function (targetIds) { var $$ = this, interval; // MEMO: avoid to cancel transition if ($$.transiting) { interval = window.setInterval(function () { if (!$$.transiting) { window.clearInterval(interval); if ($$.legend.selectAll('.c3-legend-item-focused').size() > 0) { $$.expandArc(targetIds); } } }, 10); return; } targetIds = $$.mapToTargetIds(targetIds); $$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).each(function (d) { if (! $$.shouldExpand(d.data.id)) { return; } $$.d3.select(this).selectAll('path') .transition().duration(50) .attr("d", $$.svgArcExpanded) .transition().duration(100) .attr("d", $$.svgArcExpandedSub) .each(function (d) { if ($$.isDonutType(d.data)) { // callback here } }); }); }; c3_chart_internal_fn.unexpandArc = function (targetIds) { var $$ = this; if ($$.transiting) { return; } targetIds = $$.mapToTargetIds(targetIds); $$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).selectAll('path') .transition().duration(50) .attr("d", $$.svgArc); $$.svg.selectAll('.' + CLASS.arc) .style("opacity", 1); }; c3_chart_internal_fn.shouldExpand = function (id) { var $$ = this, config = $$.config; return ($$.isDonutType(id) && config.donut_expand) || ($$.isGaugeType(id) && config.gauge_expand) || ($$.isPieType(id) && config.pie_expand); }; c3_chart_internal_fn.shouldShowArcLabel = function () { var $$ = this, config = $$.config, shouldShow = true; if ($$.hasType('donut')) { shouldShow = config.donut_label_show; } else if ($$.hasType('pie')) { shouldShow = config.pie_label_show; } // when gauge, always true return shouldShow; }; c3_chart_internal_fn.meetsArcLabelThreshold = function (ratio) { var $$ = this, config = $$.config, threshold = $$.hasType('donut') ? config.donut_label_threshold : config.pie_label_threshold; return ratio >= threshold; }; c3_chart_internal_fn.getArcLabelFormat = function () { var $$ = this, config = $$.config, format = config.pie_label_format; if ($$.hasType('gauge')) { format = config.gauge_label_format; } else if ($$.hasType('donut')) { format = config.donut_label_format; } return format; }; c3_chart_internal_fn.getArcTitle = function () { var $$ = this; return $$.hasType('donut') ? $$.config.donut_title : ""; }; c3_chart_internal_fn.updateTargetsForArc = function (targets) { var $$ = this, main = $$.main, mainPieUpdate, mainPieEnter, classChartArc = $$.classChartArc.bind($$), classArcs = $$.classArcs.bind($$), classFocus = $$.classFocus.bind($$); mainPieUpdate = main.select('.' + CLASS.chartArcs).selectAll('.' + CLASS.chartArc) .data($$.pie(targets)) .attr("class", function (d) { return classChartArc(d) + classFocus(d.data); }); mainPieEnter = mainPieUpdate.enter().append("g") .attr("class", classChartArc); mainPieEnter.append('g') .attr('class', classArcs); mainPieEnter.append("text") .attr("dy", $$.hasType('gauge') ? "-.1em" : ".35em") .style("opacity", 0) .style("text-anchor", "middle") .style("pointer-events", "none"); // MEMO: can not keep same color..., but not bad to update color in redraw //mainPieUpdate.exit().remove(); }; c3_chart_internal_fn.initArc = function () { var $$ = this; $$.arcs = $$.main.select('.' + CLASS.chart).append("g") .attr("class", CLASS.chartArcs) .attr("transform", $$.getTranslate('arc')); $$.arcs.append('text') .attr('class', CLASS.chartArcsTitle) .style("text-anchor", "middle") .text($$.getArcTitle()); }; c3_chart_internal_fn.redrawArc = function (duration, durationForExit, withTransform) { var $$ = this, d3 = $$.d3, config = $$.config, main = $$.main, mainArc; mainArc = main.selectAll('.' + CLASS.arcs).selectAll('.' + CLASS.arc) .data($$.arcData.bind($$)); mainArc.enter().append('path') .attr("class", $$.classArc.bind($$)) .style("fill", function (d) { return $$.color(d.data); }) .style("cursor", function (d) { return config.interaction_enabled && config.data_selection_isselectable(d) ? "pointer" : null; }) .style("opacity", 0) .each(function (d) { if ($$.isGaugeType(d.data)) { d.startAngle = d.endAngle = -1 * (Math.PI / 2); } this._current = d; }); mainArc .attr("transform", function (d) { return !$$.isGaugeType(d.data) && withTransform ? "scale(0)" : ""; }) .style("opacity", function (d) { return d === this._current ? 0 : 1; }) .on('mouseover', config.interaction_enabled ? function (d) { var updated, arcData; if ($$.transiting) { // skip while transiting return; } updated = $$.updateAngle(d); arcData = $$.convertToArcData(updated); // transitions $$.expandArc(updated.data.id); $$.api.focus(updated.data.id); $$.toggleFocusLegend(updated.data.id, true); $$.config.data_onmouseover(arcData, this); } : null) .on('mousemove', config.interaction_enabled ? function (d) { var updated = $$.updateAngle(d), arcData = $$.convertToArcData(updated), selectedData = [arcData]; $$.showTooltip(selectedData, this); } : null) .on('mouseout', config.interaction_enabled ? function (d) { var updated, arcData; if ($$.transiting) { // skip while transiting return; } updated = $$.updateAngle(d); arcData = $$.convertToArcData(updated); // transitions $$.unexpandArc(updated.data.id); $$.api.revert(); $$.revertLegend(); $$.hideTooltip(); $$.config.data_onmouseout(arcData, this); } : null) .on('click', config.interaction_enabled ? function (d, i) { var updated = $$.updateAngle(d), arcData = $$.convertToArcData(updated); if ($$.toggleShape) { $$.toggleShape(this, arcData, i); } $$.config.data_onclick.call($$.api, arcData, this); } : null) .each(function () { $$.transiting = true; }) .transition().duration(duration) .attrTween("d", function (d) { var updated = $$.updateAngle(d), interpolate; if (! updated) { return function () { return "M 0 0"; }; } // if (this._current === d) { // this._current = { // startAngle: Math.PI*2, // endAngle: Math.PI*2, // }; // } if (isNaN(this._current.startAngle)) { this._current.startAngle = 0; } if (isNaN(this._current.endAngle)) { this._current.endAngle = this._current.startAngle; } interpolate = d3.interpolate(this._current, updated); this._current = interpolate(0); return function (t) { var interpolated = interpolate(t); interpolated.data = d.data; // data.id will be updated by interporator return $$.getArc(interpolated, true); }; }) .attr("transform", withTransform ? "scale(1)" : "") .style("fill", function (d) { return $$.levelColor ? $$.levelColor(d.data.values[0].value) : $$.color(d.data.id); }) // Where gauge reading color would receive customization. .style("opacity", 1) .call($$.endall, function () { $$.transiting = false; }); mainArc.exit().transition().duration(durationForExit) .style('opacity', 0) .remove(); main.selectAll('.' + CLASS.chartArc).select('text') .style("opacity", 0) .attr('class', function (d) { return $$.isGaugeType(d.data) ? CLASS.gaugeValue : ''; }) .text($$.textForArcLabel.bind($$)) .attr("transform", $$.transformForArcLabel.bind($$)) .style('font-size', function (d) { return $$.isGaugeType(d.data) ? Math.round($$.radius / 5) + 'px' : ''; }) .transition().duration(duration) .style("opacity", function (d) { return $$.isTargetToShow(d.data.id) && $$.isArcType(d.data) ? 1 : 0; }); main.select('.' + CLASS.chartArcsTitle) .style("opacity", $$.hasType('donut') || $$.hasType('gauge') ? 1 : 0); if ($$.hasType('gauge')) { $$.arcs.select('.' + CLASS.chartArcsBackground) .attr("d", function () { var d = { data: [{value: config.gauge_max}], startAngle: -1 * (Math.PI / 2), endAngle: Math.PI / 2 }; return $$.getArc(d, true, true); }); $$.arcs.select('.' + CLASS.chartArcsGaugeUnit) .attr("dy", ".75em") .text(config.gauge_label_show ? config.gauge_units : ''); $$.arcs.select('.' + CLASS.chartArcsGaugeMin) .attr("dx", -1 * ($$.innerRadius + (($$.radius - $$.innerRadius) / 2)) + "px") .attr("dy", "1.2em") .text(config.gauge_label_show ? config.gauge_min : ''); $$.arcs.select('.' + CLASS.chartArcsGaugeMax) .attr("dx", $$.innerRadius + (($$.radius - $$.innerRadius) / 2) + "px") .attr("dy", "1.2em") .text(config.gauge_label_show ? config.gauge_max : ''); } }; c3_chart_internal_fn.initGauge = function () { var arcs = this.arcs; if (this.hasType('gauge')) { arcs.append('path') .attr("class", CLASS.chartArcsBackground); arcs.append("text") .attr("class", CLASS.chartArcsGaugeUnit) .style("text-anchor", "middle") .style("pointer-events", "none"); arcs.append("text") .attr("class", CLASS.chartArcsGaugeMin) .style("text-anchor", "middle") .style("pointer-events", "none"); arcs.append("text") .attr("class", CLASS.chartArcsGaugeMax) .style("text-anchor", "middle") .style("pointer-events", "none"); } }; c3_chart_internal_fn.getGaugeLabelHeight = function () { return this.config.gauge_label_show ? 20 : 0; }; c3_chart_internal_fn.initRegion = function () { var $$ = this; $$.region = $$.main.append('g') .attr("clip-path", $$.clipPath) .attr("class", CLASS.regions); }; c3_chart_internal_fn.updateRegion = function (duration) { var $$ = this, config = $$.config; // hide if arc type $$.region.style('visibility', $$.hasArcType() ? 'hidden' : 'visible'); $$.mainRegion = $$.main.select('.' + CLASS.regions).selectAll('.' + CLASS.region) .data(config.regions); $$.mainRegion.enter().append('g') .attr('class', $$.classRegion.bind($$)) .append('rect') .style("fill-opacity", 0); $$.mainRegion.exit().transition().duration(duration) .style("opacity", 0) .remove(); }; c3_chart_internal_fn.redrawRegion = function (withTransition) { var $$ = this, regions = $$.mainRegion.selectAll('rect'), x = $$.regionX.bind($$), y = $$.regionY.bind($$), w = $$.regionWidth.bind($$), h = $$.regionHeight.bind($$); return [ (withTransition ? regions.transition() : regions) .attr("x", x) .attr("y", y) .attr("width", w) .attr("height", h) .style("fill-opacity", function (d) { return isValue(d.opacity) ? d.opacity : 0.1; }) ]; }; c3_chart_internal_fn.regionX = function (d) { var $$ = this, config = $$.config, xPos, yScale = d.axis === 'y' ? $$.y : $$.y2; if (d.axis === 'y' || d.axis === 'y2') { xPos = config.axis_rotated ? ('start' in d ? yScale(d.start) : 0) : 0; } else { xPos = config.axis_rotated ? 0 : ('start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0); } return xPos; }; c3_chart_internal_fn.regionY = function (d) { var $$ = this, config = $$.config, yPos, yScale = d.axis === 'y' ? $$.y : $$.y2; if (d.axis === 'y' || d.axis === 'y2') { yPos = config.axis_rotated ? 0 : ('end' in d ? yScale(d.end) : 0); } else { yPos = config.axis_rotated ? ('start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0) : 0; } return yPos; }; c3_chart_internal_fn.regionWidth = function (d) { var $$ = this, config = $$.config, start = $$.regionX(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2; if (d.axis === 'y' || d.axis === 'y2') { end = config.axis_rotated ? ('end' in d ? yScale(d.end) : $$.width) : $$.width; } else { end = config.axis_rotated ? $$.width : ('end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.width); } return end < start ? 0 : end - start; }; c3_chart_internal_fn.regionHeight = function (d) { var $$ = this, config = $$.config, start = this.regionY(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2; if (d.axis === 'y' || d.axis === 'y2') { end = config.axis_rotated ? $$.height : ('start' in d ? yScale(d.start) : $$.height); } else { end = config.axis_rotated ? ('end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.height) : $$.height; } return end < start ? 0 : end - start; }; c3_chart_internal_fn.isRegionOnX = function (d) { return !d.axis || d.axis === 'x'; }; c3_chart_internal_fn.drag = function (mouse) { var $$ = this, config = $$.config, main = $$.main, d3 = $$.d3; var sx, sy, mx, my, minX, maxX, minY, maxY; if ($$.hasArcType()) { return; } if (! config.data_selection_enabled) { return; } // do nothing if not selectable if (config.zoom_enabled && ! $$.zoom.altDomain) { return; } // skip if zoomable because of conflict drag dehavior if (!config.data_selection_multiple) { return; } // skip when single selection because drag is used for multiple selection sx = $$.dragStart[0]; sy = $$.dragStart[1]; mx = mouse[0]; my = mouse[1]; minX = Math.min(sx, mx); maxX = Math.max(sx, mx); minY = (config.data_selection_grouped) ? $$.margin.top : Math.min(sy, my); maxY = (config.data_selection_grouped) ? $$.height : Math.max(sy, my); main.select('.' + CLASS.dragarea) .attr('x', minX) .attr('y', minY) .attr('width', maxX - minX) .attr('height', maxY - minY); // TODO: binary search when multiple xs main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape) .filter(function (d) { return config.data_selection_isselectable(d); }) .each(function (d, i) { var shape = d3.select(this), isSelected = shape.classed(CLASS.SELECTED), isIncluded = shape.classed(CLASS.INCLUDED), _x, _y, _w, _h, toggle, isWithin = false, box; if (shape.classed(CLASS.circle)) { _x = shape.attr("cx") * 1; _y = shape.attr("cy") * 1; toggle = $$.togglePoint; isWithin = minX < _x && _x < maxX && minY < _y && _y < maxY; } else if (shape.classed(CLASS.bar)) { box = getPathBox(this); _x = box.x; _y = box.y; _w = box.width; _h = box.height; toggle = $$.togglePath; isWithin = !(maxX < _x || _x + _w < minX) && !(maxY < _y || _y + _h < minY); } else { // line/area selection not supported yet return; } if (isWithin ^ isIncluded) { shape.classed(CLASS.INCLUDED, !isIncluded); // TODO: included/unincluded callback here shape.classed(CLASS.SELECTED, !isSelected); toggle.call($$, !isSelected, shape, d, i); } }); }; c3_chart_internal_fn.dragstart = function (mouse) { var $$ = this, config = $$.config; if ($$.hasArcType()) { return; } if (! config.data_selection_enabled) { return; } // do nothing if not selectable $$.dragStart = mouse; $$.main.select('.' + CLASS.chart).append('rect') .attr('class', CLASS.dragarea) .style('opacity', 0.1); $$.dragging = true; }; c3_chart_internal_fn.dragend = function () { var $$ = this, config = $$.config; if ($$.hasArcType()) { return; } if (! config.data_selection_enabled) { return; } // do nothing if not selectable $$.main.select('.' + CLASS.dragarea) .transition().duration(100) .style('opacity', 0) .remove(); $$.main.selectAll('.' + CLASS.shape) .classed(CLASS.INCLUDED, false); $$.dragging = false; }; c3_chart_internal_fn.selectPoint = function (target, d, i) { var $$ = this, config = $$.config, cx = (config.axis_rotated ? $$.circleY : $$.circleX).bind($$), cy = (config.axis_rotated ? $$.circleX : $$.circleY).bind($$), r = $$.pointSelectR.bind($$); config.data_onselected.call($$.api, d, target.node()); // add selected-circle on low layer g $$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i) .data([d]) .enter().append('circle') .attr("class", function () { return $$.generateClass(CLASS.selectedCircle, i); }) .attr("cx", cx) .attr("cy", cy) .attr("stroke", function () { return $$.color(d); }) .attr("r", function (d) { return $$.pointSelectR(d) * 1.4; }) .transition().duration(100) .attr("r", r); }; c3_chart_internal_fn.unselectPoint = function (target, d, i) { var $$ = this; $$.config.data_onunselected(d, target.node()); // remove selected-circle from low layer g $$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i) .transition().duration(100).attr('r', 0) .remove(); }; c3_chart_internal_fn.togglePoint = function (selected, target, d, i) { selected ? this.selectPoint(target, d, i) : this.unselectPoint(target, d, i); }; c3_chart_internal_fn.selectPath = function (target, d) { var $$ = this; $$.config.data_onselected.call($$, d, target.node()); target.transition().duration(100) .style("fill", function () { return $$.d3.rgb($$.color(d)).brighter(0.75); }); }; c3_chart_internal_fn.unselectPath = function (target, d) { var $$ = this; $$.config.data_onunselected.call($$, d, target.node()); target.transition().duration(100) .style("fill", function () { return $$.color(d); }); }; c3_chart_internal_fn.togglePath = function (selected, target, d, i) { selected ? this.selectPath(target, d, i) : this.unselectPath(target, d, i); }; c3_chart_internal_fn.getToggle = function (that, d) { var $$ = this, toggle; if (that.nodeName === 'circle') { if ($$.isStepType(d)) { // circle is hidden in step chart, so treat as within the click area toggle = function () {}; // TODO: how to select step chart? } else { toggle = $$.togglePoint; } } else if (that.nodeName === 'path') { toggle = $$.togglePath; } return toggle; }; c3_chart_internal_fn.toggleShape = function (that, d, i) { var $$ = this, d3 = $$.d3, config = $$.config, shape = d3.select(that), isSelected = shape.classed(CLASS.SELECTED), toggle = $$.getToggle(that, d).bind($$); if (config.data_selection_enabled && config.data_selection_isselectable(d)) { if (!config.data_selection_multiple) { $$.main.selectAll('.' + CLASS.shapes + (config.data_selection_grouped ? $$.getTargetSelectorSuffix(d.id) : "")).selectAll('.' + CLASS.shape).each(function (d, i) { var shape = d3.select(this); if (shape.classed(CLASS.SELECTED)) { toggle(false, shape.classed(CLASS.SELECTED, false), d, i); } }); } shape.classed(CLASS.SELECTED, !isSelected); toggle(!isSelected, shape, d, i); } }; c3_chart_internal_fn.initBrush = function () { var $$ = this, d3 = $$.d3; $$.brush = d3.svg.brush().on("brush", function () { $$.redrawForBrush(); }); $$.brush.update = function () { if ($$.context) { $$.context.select('.' + CLASS.brush).call(this); } return this; }; $$.brush.scale = function (scale) { return $$.config.axis_rotated ? this.y(scale) : this.x(scale); }; }; c3_chart_internal_fn.initSubchart = function () { var $$ = this, config = $$.config, context = $$.context = $$.svg.append("g").attr("transform", $$.getTranslate('context')); context.style('visibility', config.subchart_show ? 'visible' : 'hidden'); // Define g for chart area context.append('g') .attr("clip-path", $$.clipPathForSubchart) .attr('class', CLASS.chart); // Define g for bar chart area context.select('.' + CLASS.chart).append("g") .attr("class", CLASS.chartBars); // Define g for line chart area context.select('.' + CLASS.chart).append("g") .attr("class", CLASS.chartLines); // Add extent rect for Brush context.append("g") .attr("clip-path", $$.clipPath) .attr("class", CLASS.brush) .call($$.brush); // ATTENTION: This must be called AFTER chart added // Add Axis $$.axes.subx = context.append("g") .attr("class", CLASS.axisX) .attr("transform", $$.getTranslate('subx')) .attr("clip-path", config.axis_rotated ? "" : $$.clipPathForXAxis); }; c3_chart_internal_fn.updateTargetsForSubchart = function (targets) { var $$ = this, context = $$.context, config = $$.config, contextLineEnter, contextLineUpdate, contextBarEnter, contextBarUpdate, classChartBar = $$.classChartBar.bind($$), classBars = $$.classBars.bind($$), classChartLine = $$.classChartLine.bind($$), classLines = $$.classLines.bind($$), classAreas = $$.classAreas.bind($$); if (config.subchart_show) { //-- Bar --// contextBarUpdate = context.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar) .data(targets) .attr('class', classChartBar); contextBarEnter = contextBarUpdate.enter().append('g') .style('opacity', 0) .attr('class', classChartBar); // Bars for each data contextBarEnter.append('g') .attr("class", classBars); //-- Line --// contextLineUpdate = context.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine) .data(targets) .attr('class', classChartLine); contextLineEnter = contextLineUpdate.enter().append('g') .style('opacity', 0) .attr('class', classChartLine); // Lines for each data contextLineEnter.append("g") .attr("class", classLines); // Area contextLineEnter.append("g") .attr("class", classAreas); //-- Brush --// context.selectAll('.' + CLASS.brush + ' rect') .attr(config.axis_rotated ? "width" : "height", config.axis_rotated ? $$.width2 : $$.height2); } }; c3_chart_internal_fn.updateBarForSubchart = function (durationForExit) { var $$ = this; $$.contextBar = $$.context.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar) .data($$.barData.bind($$)); $$.contextBar.enter().append('path') .attr("class", $$.classBar.bind($$)) .style("stroke", 'none') .style("fill", $$.color); $$.contextBar .style("opacity", $$.initialOpacity.bind($$)); $$.contextBar.exit().transition().duration(durationForExit) .style('opacity', 0) .remove(); }; c3_chart_internal_fn.redrawBarForSubchart = function (drawBarOnSub, withTransition, duration) { (withTransition ? this.contextBar.transition().duration(duration) : this.contextBar) .attr('d', drawBarOnSub) .style('opacity', 1); }; c3_chart_internal_fn.updateLineForSubchart = function (durationForExit) { var $$ = this; $$.contextLine = $$.context.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line) .data($$.lineData.bind($$)); $$.contextLine.enter().append('path') .attr('class', $$.classLine.bind($$)) .style('stroke', $$.color); $$.contextLine .style("opacity", $$.initialOpacity.bind($$)); $$.contextLine.exit().transition().duration(durationForExit) .style('opacity', 0) .remove(); }; c3_chart_internal_fn.redrawLineForSubchart = function (drawLineOnSub, withTransition, duration) { (withTransition ? this.contextLine.transition().duration(duration) : this.contextLine) .attr("d", drawLineOnSub) .style('opacity', 1); }; c3_chart_internal_fn.updateAreaForSubchart = function (durationForExit) { var $$ = this, d3 = $$.d3; $$.contextArea = $$.context.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area) .data($$.lineData.bind($$)); $$.contextArea.enter().append('path') .attr("class", $$.classArea.bind($$)) .style("fill", $$.color) .style("opacity", function () { $$.orgAreaOpacity = +d3.select(this).style('opacity'); return 0; }); $$.contextArea .style("opacity", 0); $$.contextArea.exit().transition().duration(durationForExit) .style('opacity', 0) .remove(); }; c3_chart_internal_fn.redrawAreaForSubchart = function (drawAreaOnSub, withTransition, duration) { (withTransition ? this.contextArea.transition().duration(duration) : this.contextArea) .attr("d", drawAreaOnSub) .style("fill", this.color) .style("opacity", this.orgAreaOpacity); }; c3_chart_internal_fn.redrawSubchart = function (withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices) { var $$ = this, d3 = $$.d3, config = $$.config, drawAreaOnSub, drawBarOnSub, drawLineOnSub; $$.context.style('visibility', config.subchart_show ? 'visible' : 'hidden'); // subchart if (config.subchart_show) { // reflect main chart to extent on subchart if zoomed if (d3.event && d3.event.type === 'zoom') { $$.brush.extent($$.x.orgDomain()).update(); } // update subchart elements if needed if (withSubchart) { // extent rect if (!$$.brush.empty()) { $$.brush.extent($$.x.orgDomain()).update(); } // setup drawer - MEMO: this must be called after axis updated drawAreaOnSub = $$.generateDrawArea(areaIndices, true); drawBarOnSub = $$.generateDrawBar(barIndices, true); drawLineOnSub = $$.generateDrawLine(lineIndices, true); $$.updateBarForSubchart(duration); $$.updateLineForSubchart(duration); $$.updateAreaForSubchart(duration); $$.redrawBarForSubchart(drawBarOnSub, duration, duration); $$.redrawLineForSubchart(drawLineOnSub, duration, duration); $$.redrawAreaForSubchart(drawAreaOnSub, duration, duration); } } }; c3_chart_internal_fn.redrawForBrush = function () { var $$ = this, x = $$.x; $$.redraw({ withTransition: false, withY: $$.config.zoom_rescale, withSubchart: false, withUpdateXDomain: true, withDimension: false }); $$.config.subchart_onbrush.call($$.api, x.orgDomain()); }; c3_chart_internal_fn.transformContext = function (withTransition, transitions) { var $$ = this, subXAxis; if (transitions && transitions.axisSubX) { subXAxis = transitions.axisSubX; } else { subXAxis = $$.context.select('.' + CLASS.axisX); if (withTransition) { subXAxis = subXAxis.transition(); } } $$.context.attr("transform", $$.getTranslate('context')); subXAxis.attr("transform", $$.getTranslate('subx')); }; c3_chart_internal_fn.getDefaultExtent = function () { var $$ = this, config = $$.config, extent = isFunction(config.axis_x_extent) ? config.axis_x_extent($$.getXDomain($$.data.targets)) : config.axis_x_extent; if ($$.isTimeSeries()) { extent = [$$.parseDate(extent[0]), $$.parseDate(extent[1])]; } return extent; }; c3_chart_internal_fn.initZoom = function () { var $$ = this, d3 = $$.d3, config = $$.config, startEvent; $$.zoom = d3.behavior.zoom() .on("zoomstart", function () { startEvent = d3.event.sourceEvent; $$.zoom.altDomain = d3.event.sourceEvent.altKey ? $$.x.orgDomain() : null; config.zoom_onzoomstart.call($$.api, d3.event.sourceEvent); }) .on("zoom", function () { $$.redrawForZoom.call($$); }) .on('zoomend', function () { var event = d3.event.sourceEvent; // if click, do nothing. otherwise, click interaction will be canceled. if (event && startEvent.clientX === event.clientX && startEvent.clientY === event.clientY) { return; } $$.redrawEventRect(); $$.updateZoom(); config.zoom_onzoomend.call($$.api, $$.x.orgDomain()); }); $$.zoom.scale = function (scale) { return config.axis_rotated ? this.y(scale) : this.x(scale); }; $$.zoom.orgScaleExtent = function () { var extent = config.zoom_extent ? config.zoom_extent : [1, 10]; return [extent[0], Math.max($$.getMaxDataCount() / extent[1], extent[1])]; }; $$.zoom.updateScaleExtent = function () { var ratio = diffDomain($$.x.orgDomain()) / diffDomain($$.orgXDomain), extent = this.orgScaleExtent(); this.scaleExtent([extent[0] * ratio, extent[1] * ratio]); return this; }; }; c3_chart_internal_fn.updateZoom = function () { var $$ = this, z = $$.config.zoom_enabled ? $$.zoom : function () {}; $$.main.select('.' + CLASS.zoomRect).call(z).on("dblclick.zoom", null); $$.main.selectAll('.' + CLASS.eventRect).call(z).on("dblclick.zoom", null); }; c3_chart_internal_fn.redrawForZoom = function () { var $$ = this, d3 = $$.d3, config = $$.config, zoom = $$.zoom, x = $$.x; if (!config.zoom_enabled) { return; } if ($$.filterTargetsToShow($$.data.targets).length === 0) { return; } if (d3.event.sourceEvent.type === 'mousemove' && zoom.altDomain) { x.domain(zoom.altDomain); zoom.scale(x).updateScaleExtent(); return; } if ($$.isCategorized() && x.orgDomain()[0] === $$.orgXDomain[0]) { x.domain([$$.orgXDomain[0] - 1e-10, x.orgDomain()[1]]); } $$.redraw({ withTransition: false, withY: config.zoom_rescale, withSubchart: false, withEventRect: false, withDimension: false }); if (d3.event.sourceEvent.type === 'mousemove') { $$.cancelClick = true; } config.zoom_onzoom.call($$.api, x.orgDomain()); }; c3_chart_internal_fn.generateColor = function () { var $$ = this, config = $$.config, d3 = $$.d3, colors = config.data_colors, pattern = notEmpty(config.color_pattern) ? config.color_pattern : d3.scale.category10().range(), callback = config.data_color, ids = []; return function (d) { var id = d.id || (d.data && d.data.id) || d, color; // if callback function is provided if (colors[id] instanceof Function) { color = colors[id](d); } // if specified, choose that color else if (colors[id]) { color = colors[id]; } // if not specified, choose from pattern else { if (ids.indexOf(id) < 0) { ids.push(id); } color = pattern[ids.indexOf(id) % pattern.length]; colors[id] = color; } return callback instanceof Function ? callback(color, d) : color; }; }; c3_chart_internal_fn.generateLevelColor = function () { var $$ = this, config = $$.config, colors = config.color_pattern, threshold = config.color_threshold, asValue = threshold.unit === 'value', values = threshold.values && threshold.values.length ? threshold.values : [], max = threshold.max || 100; return notEmpty(config.color_threshold) ? function (value) { var i, v, color = colors[colors.length - 1]; for (i = 0; i < values.length; i++) { v = asValue ? value : (value * 100 / max); if (v < values[i]) { color = colors[i]; break; } } return color; } : null; }; c3_chart_internal_fn.getYFormat = function (forArc) { var $$ = this, formatForY = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.yFormat, formatForY2 = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.y2Format; return function (v, ratio, id) { var format = $$.axis.getId(id) === 'y2' ? formatForY2 : formatForY; return format.call($$, v, ratio); }; }; c3_chart_internal_fn.yFormat = function (v) { var $$ = this, config = $$.config, format = config.axis_y_tick_format ? config.axis_y_tick_format : $$.defaultValueFormat; return format(v); }; c3_chart_internal_fn.y2Format = function (v) { var $$ = this, config = $$.config, format = config.axis_y2_tick_format ? config.axis_y2_tick_format : $$.defaultValueFormat; return format(v); }; c3_chart_internal_fn.defaultValueFormat = function (v) { return isValue(v) ? +v : ""; }; c3_chart_internal_fn.defaultArcValueFormat = function (v, ratio) { return (ratio * 100).toFixed(1) + '%'; }; c3_chart_internal_fn.dataLabelFormat = function (targetId) { var $$ = this, data_labels = $$.config.data_labels, format, defaultFormat = function (v) { return isValue(v) ? +v : ""; }; // find format according to axis id if (typeof data_labels.format === 'function') { format = data_labels.format; } else if (typeof data_labels.format === 'object') { if (data_labels.format[targetId]) { format = data_labels.format[targetId] === true ? defaultFormat : data_labels.format[targetId]; } else { format = function () { return ''; }; } } else { format = defaultFormat; } return format; }; c3_chart_internal_fn.hasCaches = function (ids) { for (var i = 0; i < ids.length; i++) { if (! (ids[i] in this.cache)) { return false; } } return true; }; c3_chart_internal_fn.addCache = function (id, target) { this.cache[id] = this.cloneTarget(target); }; c3_chart_internal_fn.getCaches = function (ids) { var targets = [], i; for (i = 0; i < ids.length; i++) { if (ids[i] in this.cache) { targets.push(this.cloneTarget(this.cache[ids[i]])); } } return targets; }; var CLASS = c3_chart_internal_fn.CLASS = { target: 'c3-target', chart: 'c3-chart', chartLine: 'c3-chart-line', chartLines: 'c3-chart-lines', chartBar: 'c3-chart-bar', chartBars: 'c3-chart-bars', chartText: 'c3-chart-text', chartTexts: 'c3-chart-texts', chartArc: 'c3-chart-arc', chartArcs: 'c3-chart-arcs', chartArcsTitle: 'c3-chart-arcs-title', chartArcsBackground: 'c3-chart-arcs-background', chartArcsGaugeUnit: 'c3-chart-arcs-gauge-unit', chartArcsGaugeMax: 'c3-chart-arcs-gauge-max', chartArcsGaugeMin: 'c3-chart-arcs-gauge-min', selectedCircle: 'c3-selected-circle', selectedCircles: 'c3-selected-circles', eventRect: 'c3-event-rect', eventRects: 'c3-event-rects', eventRectsSingle: 'c3-event-rects-single', eventRectsMultiple: 'c3-event-rects-multiple', zoomRect: 'c3-zoom-rect', brush: 'c3-brush', focused: 'c3-focused', defocused: 'c3-defocused', region: 'c3-region', regions: 'c3-regions', tooltipContainer: 'c3-tooltip-container', tooltip: 'c3-tooltip', tooltipName: 'c3-tooltip-name', shape: 'c3-shape', shapes: 'c3-shapes', line: 'c3-line', lines: 'c3-lines', bar: 'c3-bar', bars: 'c3-bars', circle: 'c3-circle', circles: 'c3-circles', arc: 'c3-arc', arcs: 'c3-arcs', area: 'c3-area', areas: 'c3-areas', empty: 'c3-empty', text: 'c3-text', texts: 'c3-texts', gaugeValue: 'c3-gauge-value', grid: 'c3-grid', gridLines: 'c3-grid-lines', xgrid: 'c3-xgrid', xgrids: 'c3-xgrids', xgridLine: 'c3-xgrid-line', xgridLines: 'c3-xgrid-lines', xgridFocus: 'c3-xgrid-focus', ygrid: 'c3-ygrid', ygrids: 'c3-ygrids', ygridLine: 'c3-ygrid-line', ygridLines: 'c3-ygrid-lines', axis: 'c3-axis', axisX: 'c3-axis-x', axisXLabel: 'c3-axis-x-label', axisY: 'c3-axis-y', axisYLabel: 'c3-axis-y-label', axisY2: 'c3-axis-y2', axisY2Label: 'c3-axis-y2-label', legendBackground: 'c3-legend-background', legendItem: 'c3-legend-item', legendItemEvent: 'c3-legend-item-event', legendItemTile: 'c3-legend-item-tile', legendItemHidden: 'c3-legend-item-hidden', legendItemFocused: 'c3-legend-item-focused', dragarea: 'c3-dragarea', EXPANDED: '_expanded_', SELECTED: '_selected_', INCLUDED: '_included_' }; c3_chart_internal_fn.generateClass = function (prefix, targetId) { return " " + prefix + " " + prefix + this.getTargetSelectorSuffix(targetId); }; c3_chart_internal_fn.classText = function (d) { return this.generateClass(CLASS.text, d.index); }; c3_chart_internal_fn.classTexts = function (d) { return this.generateClass(CLASS.texts, d.id); }; c3_chart_internal_fn.classShape = function (d) { return this.generateClass(CLASS.shape, d.index); }; c3_chart_internal_fn.classShapes = function (d) { return this.generateClass(CLASS.shapes, d.id); }; c3_chart_internal_fn.classLine = function (d) { return this.classShape(d) + this.generateClass(CLASS.line, d.id); }; c3_chart_internal_fn.classLines = function (d) { return this.classShapes(d) + this.generateClass(CLASS.lines, d.id); }; c3_chart_internal_fn.classCircle = function (d) { return this.classShape(d) + this.generateClass(CLASS.circle, d.index); }; c3_chart_internal_fn.classCircles = function (d) { return this.classShapes(d) + this.generateClass(CLASS.circles, d.id); }; c3_chart_internal_fn.classBar = function (d) { return this.classShape(d) + this.generateClass(CLASS.bar, d.index); }; c3_chart_internal_fn.classBars = function (d) { return this.classShapes(d) + this.generateClass(CLASS.bars, d.id); }; c3_chart_internal_fn.classArc = function (d) { return this.classShape(d.data) + this.generateClass(CLASS.arc, d.data.id); }; c3_chart_internal_fn.classArcs = function (d) { return this.classShapes(d.data) + this.generateClass(CLASS.arcs, d.data.id); }; c3_chart_internal_fn.classArea = function (d) { return this.classShape(d) + this.generateClass(CLASS.area, d.id); }; c3_chart_internal_fn.classAreas = function (d) { return this.classShapes(d) + this.generateClass(CLASS.areas, d.id); }; c3_chart_internal_fn.classRegion = function (d, i) { return this.generateClass(CLASS.region, i) + ' ' + ('class' in d ? d['class'] : ''); }; c3_chart_internal_fn.classEvent = function (d) { return this.generateClass(CLASS.eventRect, d.index); }; c3_chart_internal_fn.classTarget = function (id) { var $$ = this; var additionalClassSuffix = $$.config.data_classes[id], additionalClass = ''; if (additionalClassSuffix) { additionalClass = ' ' + CLASS.target + '-' + additionalClassSuffix; } return $$.generateClass(CLASS.target, id) + additionalClass; }; c3_chart_internal_fn.classFocus = function (d) { return this.classFocused(d) + this.classDefocused(d); }; c3_chart_internal_fn.classFocused = function (d) { return ' ' + (this.focusedTargetIds.indexOf(d.id) >= 0 ? CLASS.focused : ''); }; c3_chart_internal_fn.classDefocused = function (d) { return ' ' + (this.defocusedTargetIds.indexOf(d.id) >= 0 ? CLASS.defocused : ''); }; c3_chart_internal_fn.classChartText = function (d) { return CLASS.chartText + this.classTarget(d.id); }; c3_chart_internal_fn.classChartLine = function (d) { return CLASS.chartLine + this.classTarget(d.id); }; c3_chart_internal_fn.classChartBar = function (d) { return CLASS.chartBar + this.classTarget(d.id); }; c3_chart_internal_fn.classChartArc = function (d) { return CLASS.chartArc + this.classTarget(d.data.id); }; c3_chart_internal_fn.getTargetSelectorSuffix = function (targetId) { return targetId || targetId === 0 ? ('-' + targetId).replace(/[\s?!@#$%^&*()_=+,.<>'":;\[\]\/|~`{}\\]/g, '-') : ''; }; c3_chart_internal_fn.selectorTarget = function (id, prefix) { return (prefix || '') + '.' + CLASS.target + this.getTargetSelectorSuffix(id); }; c3_chart_internal_fn.selectorTargets = function (ids, prefix) { var $$ = this; ids = ids || []; return ids.length ? ids.map(function (id) { return $$.selectorTarget(id, prefix); }) : null; }; c3_chart_internal_fn.selectorLegend = function (id) { return '.' + CLASS.legendItem + this.getTargetSelectorSuffix(id); }; c3_chart_internal_fn.selectorLegends = function (ids) { var $$ = this; return ids && ids.length ? ids.map(function (id) { return $$.selectorLegend(id); }) : null; }; var isValue = c3_chart_internal_fn.isValue = function (v) { return v || v === 0; }, isFunction = c3_chart_internal_fn.isFunction = function (o) { return typeof o === 'function'; }, isString = c3_chart_internal_fn.isString = function (o) { return typeof o === 'string'; }, isUndefined = c3_chart_internal_fn.isUndefined = function (v) { return typeof v === 'undefined'; }, isDefined = c3_chart_internal_fn.isDefined = function (v) { return typeof v !== 'undefined'; }, ceil10 = c3_chart_internal_fn.ceil10 = function (v) { return Math.ceil(v / 10) * 10; }, asHalfPixel = c3_chart_internal_fn.asHalfPixel = function (n) { return Math.ceil(n) + 0.5; }, diffDomain = c3_chart_internal_fn.diffDomain = function (d) { return d[1] - d[0]; }, isEmpty = c3_chart_internal_fn.isEmpty = function (o) { return !o || (isString(o) && o.length === 0) || (typeof o === 'object' && Object.keys(o).length === 0); }, notEmpty = c3_chart_internal_fn.notEmpty = function (o) { return Object.keys(o).length > 0; }, getOption = c3_chart_internal_fn.getOption = function (options, key, defaultValue) { return isDefined(options[key]) ? options[key] : defaultValue; }, hasValue = c3_chart_internal_fn.hasValue = function (dict, value) { var found = false; Object.keys(dict).forEach(function (key) { if (dict[key] === value) { found = true; } }); return found; }, getPathBox = c3_chart_internal_fn.getPathBox = function (path) { var box = path.getBoundingClientRect(), items = [path.pathSegList.getItem(0), path.pathSegList.getItem(1)], minX = items[0].x, minY = Math.min(items[0].y, items[1].y); return {x: minX, y: minY, width: box.width, height: box.height}; }; c3_chart_fn.focus = function (targetIds) { var $$ = this.internal, candidates; targetIds = $$.mapToTargetIds(targetIds); candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))), this.revert(); this.defocus(); candidates.classed(CLASS.focused, true).classed(CLASS.defocused, false); if ($$.hasArcType()) { $$.expandArc(targetIds); } $$.toggleFocusLegend(targetIds, true); $$.focusedTargetIds = targetIds; $$.defocusedTargetIds = $$.defocusedTargetIds.filter(function (id) { return targetIds.indexOf(id) < 0; }); }; c3_chart_fn.defocus = function (targetIds) { var $$ = this.internal, candidates; targetIds = $$.mapToTargetIds(targetIds); candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))), candidates.classed(CLASS.focused, false).classed(CLASS.defocused, true); if ($$.hasArcType()) { $$.unexpandArc(targetIds); } $$.toggleFocusLegend(targetIds, false); $$.focusedTargetIds = $$.focusedTargetIds.filter(function (id) { return targetIds.indexOf(id) < 0; }); $$.defocusedTargetIds = targetIds; }; c3_chart_fn.revert = function (targetIds) { var $$ = this.internal, candidates; targetIds = $$.mapToTargetIds(targetIds); candidates = $$.svg.selectAll($$.selectorTargets(targetIds)); // should be for all targets candidates.classed(CLASS.focused, false).classed(CLASS.defocused, false); if ($$.hasArcType()) { $$.unexpandArc(targetIds); } if ($$.config.legend_show) { $$.showLegend(targetIds.filter($$.isLegendToShow.bind($$))); $$.legend.selectAll($$.selectorLegends(targetIds)) .filter(function () { return $$.d3.select(this).classed(CLASS.legendItemFocused); }) .classed(CLASS.legendItemFocused, false); } $$.focusedTargetIds = []; $$.defocusedTargetIds = []; }; c3_chart_fn.show = function (targetIds, options) { var $$ = this.internal, targets; targetIds = $$.mapToTargetIds(targetIds); options = options || {}; $$.removeHiddenTargetIds(targetIds); targets = $$.svg.selectAll($$.selectorTargets(targetIds)); targets.transition() .style('opacity', 1, 'important') .call($$.endall, function () { targets.style('opacity', null).style('opacity', 1); }); if (options.withLegend) { $$.showLegend(targetIds); } $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true}); }; c3_chart_fn.hide = function (targetIds, options) { var $$ = this.internal, targets; targetIds = $$.mapToTargetIds(targetIds); options = options || {}; $$.addHiddenTargetIds(targetIds); targets = $$.svg.selectAll($$.selectorTargets(targetIds)); targets.transition() .style('opacity', 0, 'important') .call($$.endall, function () { targets.style('opacity', null).style('opacity', 0); }); if (options.withLegend) { $$.hideLegend(targetIds); } $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true}); }; c3_chart_fn.toggle = function (targetIds, options) { var that = this, $$ = this.internal; $$.mapToTargetIds(targetIds).forEach(function (targetId) { $$.isTargetToShow(targetId) ? that.hide(targetId, options) : that.show(targetId, options); }); }; c3_chart_fn.zoom = function (domain) { var $$ = this.internal; if (domain) { if ($$.isTimeSeries()) { domain = domain.map(function (x) { return $$.parseDate(x); }); } $$.brush.extent(domain); $$.redraw({withUpdateXDomain: true, withY: $$.config.zoom_rescale}); $$.config.zoom_onzoom.call(this, $$.x.orgDomain()); } return $$.brush.extent(); }; c3_chart_fn.zoom.enable = function (enabled) { var $$ = this.internal; $$.config.zoom_enabled = enabled; $$.updateAndRedraw(); }; c3_chart_fn.unzoom = function () { var $$ = this.internal; $$.brush.clear().update(); $$.redraw({withUpdateXDomain: true}); }; c3_chart_fn.load = function (args) { var $$ = this.internal, config = $$.config; // update xs if specified if (args.xs) { $$.addXs(args.xs); } // update classes if exists if ('classes' in args) { Object.keys(args.classes).forEach(function (id) { config.data_classes[id] = args.classes[id]; }); } // update categories if exists if ('categories' in args && $$.isCategorized()) { config.axis_x_categories = args.categories; } // update axes if exists if ('axes' in args) { Object.keys(args.axes).forEach(function (id) { config.data_axes[id] = args.axes[id]; }); } // update colors if exists if ('colors' in args) { Object.keys(args.colors).forEach(function (id) { config.data_colors[id] = args.colors[id]; }); } // use cache if exists if ('cacheIds' in args && $$.hasCaches(args.cacheIds)) { $$.load($$.getCaches(args.cacheIds), args.done); return; } // unload if needed if ('unload' in args) { // TODO: do not unload if target will load (included in url/rows/columns) $$.unload($$.mapToTargetIds((typeof args.unload === 'boolean' && args.unload) ? null : args.unload), function () { $$.loadFromArgs(args); }); } else { $$.loadFromArgs(args); } }; c3_chart_fn.unload = function (args) { var $$ = this.internal; args = args || {}; if (args instanceof Array) { args = {ids: args}; } else if (typeof args === 'string') { args = {ids: [args]}; } $$.unload($$.mapToTargetIds(args.ids), function () { $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true}); if (args.done) { args.done(); } }); }; c3_chart_fn.flow = function (args) { var $$ = this.internal, targets, data, notfoundIds = [], orgDataCount = $$.getMaxDataCount(), dataCount, domain, baseTarget, baseValue, length = 0, tail = 0, diff, to; if (args.json) { data = $$.convertJsonToData(args.json, args.keys); } else if (args.rows) { data = $$.convertRowsToData(args.rows); } else if (args.columns) { data = $$.convertColumnsToData(args.columns); } else { return; } targets = $$.convertDataToTargets(data, true); // Update/Add data $$.data.targets.forEach(function (t) { var found = false, i, j; for (i = 0; i < targets.length; i++) { if (t.id === targets[i].id) { found = true; if (t.values[t.values.length - 1]) { tail = t.values[t.values.length - 1].index + 1; } length = targets[i].values.length; for (j = 0; j < length; j++) { targets[i].values[j].index = tail + j; if (!$$.isTimeSeries()) { targets[i].values[j].x = tail + j; } } t.values = t.values.concat(targets[i].values); targets.splice(i, 1); break; } } if (!found) { notfoundIds.push(t.id); } }); // Append null for not found targets $$.data.targets.forEach(function (t) { var i, j; for (i = 0; i < notfoundIds.length; i++) { if (t.id === notfoundIds[i]) { tail = t.values[t.values.length - 1].index + 1; for (j = 0; j < length; j++) { t.values.push({ id: t.id, index: tail + j, x: $$.isTimeSeries() ? $$.getOtherTargetX(tail + j) : tail + j, value: null }); } } } }); // Generate null values for new target if ($$.data.targets.length) { targets.forEach(function (t) { var i, missing = []; for (i = $$.data.targets[0].values[0].index; i < tail; i++) { missing.push({ id: t.id, index: i, x: $$.isTimeSeries() ? $$.getOtherTargetX(i) : i, value: null }); } t.values.forEach(function (v) { v.index += tail; if (!$$.isTimeSeries()) { v.x += tail; } }); t.values = missing.concat(t.values); }); } $$.data.targets = $$.data.targets.concat(targets); // add remained // check data count because behavior needs to change when it's only one dataCount = $$.getMaxDataCount(); baseTarget = $$.data.targets[0]; baseValue = baseTarget.values[0]; // Update length to flow if needed if (isDefined(args.to)) { length = 0; to = $$.isTimeSeries() ? $$.parseDate(args.to) : args.to; baseTarget.values.forEach(function (v) { if (v.x < to) { length++; } }); } else if (isDefined(args.length)) { length = args.length; } // If only one data, update the domain to flow from left edge of the chart if (!orgDataCount) { if ($$.isTimeSeries()) { if (baseTarget.values.length > 1) { diff = baseTarget.values[baseTarget.values.length - 1].x - baseValue.x; } else { diff = baseValue.x - $$.getXDomain($$.data.targets)[0]; } } else { diff = 1; } domain = [baseValue.x - diff, baseValue.x]; $$.updateXDomain(null, true, true, false, domain); } else if (orgDataCount === 1) { if ($$.isTimeSeries()) { diff = (baseTarget.values[baseTarget.values.length - 1].x - baseValue.x) / 2; domain = [new Date(+baseValue.x - diff), new Date(+baseValue.x + diff)]; $$.updateXDomain(null, true, true, false, domain); } } // Set targets $$.updateTargets($$.data.targets); // Redraw with new targets $$.redraw({ flow: { index: baseValue.index, length: length, duration: isValue(args.duration) ? args.duration : $$.config.transition_duration, done: args.done, orgDataCount: orgDataCount, }, withLegend: true, withTransition: orgDataCount > 1, withTrimXDomain: false, withUpdateXAxis: true, }); }; c3_chart_internal_fn.generateFlow = function (args) { var $$ = this, config = $$.config, d3 = $$.d3; return function () { var targets = args.targets, flow = args.flow, drawBar = args.drawBar, drawLine = args.drawLine, drawArea = args.drawArea, cx = args.cx, cy = args.cy, xv = args.xv, xForText = args.xForText, yForText = args.yForText, duration = args.duration; var translateX, scaleX = 1, transform, flowIndex = flow.index, flowLength = flow.length, flowStart = $$.getValueOnIndex($$.data.targets[0].values, flowIndex), flowEnd = $$.getValueOnIndex($$.data.targets[0].values, flowIndex + flowLength), orgDomain = $$.x.domain(), domain, durationForFlow = flow.duration || duration, done = flow.done || function () {}, wait = $$.generateWait(); var xgrid = $$.xgrid || d3.selectAll([]), xgridLines = $$.xgridLines || d3.selectAll([]), mainRegion = $$.mainRegion || d3.selectAll([]), mainText = $$.mainText || d3.selectAll([]), mainBar = $$.mainBar || d3.selectAll([]), mainLine = $$.mainLine || d3.selectAll([]), mainArea = $$.mainArea || d3.selectAll([]), mainCircle = $$.mainCircle || d3.selectAll([]); // set flag $$.flowing = true; // remove head data after rendered $$.data.targets.forEach(function (d) { d.values.splice(0, flowLength); }); // update x domain to generate axis elements for flow domain = $$.updateXDomain(targets, true, true); // update elements related to x scale if ($$.updateXGrid) { $$.updateXGrid(true); } // generate transform to flow if (!flow.orgDataCount) { // if empty if ($$.data.targets[0].values.length !== 1) { translateX = $$.x(orgDomain[0]) - $$.x(domain[0]); } else { if ($$.isTimeSeries()) { flowStart = $$.getValueOnIndex($$.data.targets[0].values, 0); flowEnd = $$.getValueOnIndex($$.data.targets[0].values, $$.data.targets[0].values.length - 1); translateX = $$.x(flowStart.x) - $$.x(flowEnd.x); } else { translateX = diffDomain(domain) / 2; } } } else if (flow.orgDataCount === 1 || flowStart.x === flowEnd.x) { translateX = $$.x(orgDomain[0]) - $$.x(domain[0]); } else { if ($$.isTimeSeries()) { translateX = ($$.x(orgDomain[0]) - $$.x(domain[0])); } else { translateX = ($$.x(flowStart.x) - $$.x(flowEnd.x)); } } scaleX = (diffDomain(orgDomain) / diffDomain(domain)); transform = 'translate(' + translateX + ',0) scale(' + scaleX + ',1)'; // hide tooltip $$.hideXGridFocus(); $$.hideTooltip(); d3.transition().ease('linear').duration(durationForFlow).each(function () { wait.add($$.axes.x.transition().call($$.xAxis)); wait.add(mainBar.transition().attr('transform', transform)); wait.add(mainLine.transition().attr('transform', transform)); wait.add(mainArea.transition().attr('transform', transform)); wait.add(mainCircle.transition().attr('transform', transform)); wait.add(mainText.transition().attr('transform', transform)); wait.add(mainRegion.filter($$.isRegionOnX).transition().attr('transform', transform)); wait.add(xgrid.transition().attr('transform', transform)); wait.add(xgridLines.transition().attr('transform', transform)); }) .call(wait, function () { var i, shapes = [], texts = [], eventRects = []; // remove flowed elements if (flowLength) { for (i = 0; i < flowLength; i++) { shapes.push('.' + CLASS.shape + '-' + (flowIndex + i)); texts.push('.' + CLASS.text + '-' + (flowIndex + i)); eventRects.push('.' + CLASS.eventRect + '-' + (flowIndex + i)); } $$.svg.selectAll('.' + CLASS.shapes).selectAll(shapes).remove(); $$.svg.selectAll('.' + CLASS.texts).selectAll(texts).remove(); $$.svg.selectAll('.' + CLASS.eventRects).selectAll(eventRects).remove(); $$.svg.select('.' + CLASS.xgrid).remove(); } // draw again for removing flowed elements and reverting attr xgrid .attr('transform', null) .attr($$.xgridAttr); xgridLines .attr('transform', null); xgridLines.select('line') .attr("x1", config.axis_rotated ? 0 : xv) .attr("x2", config.axis_rotated ? $$.width : xv); xgridLines.select('text') .attr("x", config.axis_rotated ? $$.width : 0) .attr("y", xv); mainBar .attr('transform', null) .attr("d", drawBar); mainLine .attr('transform', null) .attr("d", drawLine); mainArea .attr('transform', null) .attr("d", drawArea); mainCircle .attr('transform', null) .attr("cx", cx) .attr("cy", cy); mainText .attr('transform', null) .attr('x', xForText) .attr('y', yForText) .style('fill-opacity', $$.opacityForText.bind($$)); mainRegion .attr('transform', null); mainRegion.select('rect').filter($$.isRegionOnX) .attr("x", $$.regionX.bind($$)) .attr("width", $$.regionWidth.bind($$)); if (config.interaction_enabled) { $$.redrawEventRect(); } // callback for end of flow done(); $$.flowing = false; }); }; }; c3_chart_fn.selected = function (targetId) { var $$ = this.internal, d3 = $$.d3; return d3.merge( $$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(targetId)).selectAll('.' + CLASS.shape) .filter(function () { return d3.select(this).classed(CLASS.SELECTED); }) .map(function (d) { return d.map(function (d) { var data = d.__data__; return data.data ? data.data : data; }); }) ); }; c3_chart_fn.select = function (ids, indices, resetOther) { var $$ = this.internal, d3 = $$.d3, config = $$.config; if (! config.data_selection_enabled) { return; } $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) { var shape = d3.select(this), id = d.data ? d.data.id : d.id, toggle = $$.getToggle(this, d).bind($$), isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0, isTargetIndex = !indices || indices.indexOf(i) >= 0, isSelected = shape.classed(CLASS.SELECTED); // line/area selection not supported yet if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) { return; } if (isTargetId && isTargetIndex) { if (config.data_selection_isselectable(d) && !isSelected) { toggle(true, shape.classed(CLASS.SELECTED, true), d, i); } } else if (isDefined(resetOther) && resetOther) { if (isSelected) { toggle(false, shape.classed(CLASS.SELECTED, false), d, i); } } }); }; c3_chart_fn.unselect = function (ids, indices) { var $$ = this.internal, d3 = $$.d3, config = $$.config; if (! config.data_selection_enabled) { return; } $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) { var shape = d3.select(this), id = d.data ? d.data.id : d.id, toggle = $$.getToggle(this, d).bind($$), isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0, isTargetIndex = !indices || indices.indexOf(i) >= 0, isSelected = shape.classed(CLASS.SELECTED); // line/area selection not supported yet if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) { return; } if (isTargetId && isTargetIndex) { if (config.data_selection_isselectable(d)) { if (isSelected) { toggle(false, shape.classed(CLASS.SELECTED, false), d, i); } } } }); }; c3_chart_fn.transform = function (type, targetIds) { var $$ = this.internal, options = ['pie', 'donut'].indexOf(type) >= 0 ? {withTransform: true} : null; $$.transformTo(targetIds, type, options); }; c3_chart_internal_fn.transformTo = function (targetIds, type, optionsForRedraw) { var $$ = this, withTransitionForAxis = !$$.hasArcType(), options = optionsForRedraw || {withTransitionForAxis: withTransitionForAxis}; options.withTransitionForTransform = false; $$.transiting = false; $$.setTargetType(targetIds, type); $$.updateTargets($$.data.targets); // this is needed when transforming to arc $$.updateAndRedraw(options); }; c3_chart_fn.groups = function (groups) { var $$ = this.internal, config = $$.config; if (isUndefined(groups)) { return config.data_groups; } config.data_groups = groups; $$.redraw(); return config.data_groups; }; c3_chart_fn.xgrids = function (grids) { var $$ = this.internal, config = $$.config; if (! grids) { return config.grid_x_lines; } config.grid_x_lines = grids; $$.redrawWithoutRescale(); return config.grid_x_lines; }; c3_chart_fn.xgrids.add = function (grids) { var $$ = this.internal; return this.xgrids($$.config.grid_x_lines.concat(grids ? grids : [])); }; c3_chart_fn.xgrids.remove = function (params) { // TODO: multiple var $$ = this.internal; $$.removeGridLines(params, true); }; c3_chart_fn.ygrids = function (grids) { var $$ = this.internal, config = $$.config; if (! grids) { return config.grid_y_lines; } config.grid_y_lines = grids; $$.redrawWithoutRescale(); return config.grid_y_lines; }; c3_chart_fn.ygrids.add = function (grids) { var $$ = this.internal; return this.ygrids($$.config.grid_y_lines.concat(grids ? grids : [])); }; c3_chart_fn.ygrids.remove = function (params) { // TODO: multiple var $$ = this.internal; $$.removeGridLines(params, false); }; c3_chart_fn.regions = function (regions) { var $$ = this.internal, config = $$.config; if (!regions) { return config.regions; } config.regions = regions; $$.redrawWithoutRescale(); return config.regions; }; c3_chart_fn.regions.add = function (regions) { var $$ = this.internal, config = $$.config; if (!regions) { return config.regions; } config.regions = config.regions.concat(regions); $$.redrawWithoutRescale(); return config.regions; }; c3_chart_fn.regions.remove = function (options) { var $$ = this.internal, config = $$.config, duration, classes, regions; options = options || {}; duration = $$.getOption(options, "duration", config.transition_duration); classes = $$.getOption(options, "classes", [CLASS.region]); regions = $$.main.select('.' + CLASS.regions).selectAll(classes.map(function (c) { return '.' + c; })); (duration ? regions.transition().duration(duration) : regions) .style('opacity', 0) .remove(); config.regions = config.regions.filter(function (region) { var found = false; if (!region['class']) { return true; } region['class'].split(' ').forEach(function (c) { if (classes.indexOf(c) >= 0) { found = true; } }); return !found; }); return config.regions; }; c3_chart_fn.data = function (targetIds) { var targets = this.internal.data.targets; return typeof targetIds === 'undefined' ? targets : targets.filter(function (t) { return [].concat(targetIds).indexOf(t.id) >= 0; }); }; c3_chart_fn.data.shown = function (targetIds) { return this.internal.filterTargetsToShow(this.data(targetIds)); }; c3_chart_fn.data.values = function (targetId) { var targets, values = null; if (targetId) { targets = this.data(targetId); values = targets[0] ? targets[0].values.map(function (d) { return d.value; }) : null; } return values; }; c3_chart_fn.data.names = function (names) { this.internal.clearLegendItemTextBoxCache(); return this.internal.updateDataAttributes('names', names); }; c3_chart_fn.data.colors = function (colors) { return this.internal.updateDataAttributes('colors', colors); }; c3_chart_fn.data.axes = function (axes) { return this.internal.updateDataAttributes('axes', axes); }; c3_chart_fn.category = function (i, category) { var $$ = this.internal, config = $$.config; if (arguments.length > 1) { config.axis_x_categories[i] = category; $$.redraw(); } return config.axis_x_categories[i]; }; c3_chart_fn.categories = function (categories) { var $$ = this.internal, config = $$.config; if (!arguments.length) { return config.axis_x_categories; } config.axis_x_categories = categories; $$.redraw(); return config.axis_x_categories; }; // TODO: fix c3_chart_fn.color = function (id) { var $$ = this.internal; return $$.color(id); // more patterns }; c3_chart_fn.x = function (x) { var $$ = this.internal; if (arguments.length) { $$.updateTargetX($$.data.targets, x); $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true}); } return $$.data.xs; }; c3_chart_fn.xs = function (xs) { var $$ = this.internal; if (arguments.length) { $$.updateTargetXs($$.data.targets, xs); $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true}); } return $$.data.xs; }; c3_chart_fn.axis = function () {}; c3_chart_fn.axis.labels = function (labels) { var $$ = this.internal; if (arguments.length) { Object.keys(labels).forEach(function (axisId) { $$.axis.setLabelText(axisId, labels[axisId]); }); $$.axis.updateLabels(); } // TODO: return some values? }; c3_chart_fn.axis.max = function (max) { var $$ = this.internal, config = $$.config; if (arguments.length) { if (typeof max === 'object') { if (isValue(max.x)) { config.axis_x_max = max.x; } if (isValue(max.y)) { config.axis_y_max = max.y; } if (isValue(max.y2)) { config.axis_y2_max = max.y2; } } else { config.axis_y_max = config.axis_y2_max = max; } $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true}); } else { return { x: config.axis_x_max, y: config.axis_y_max, y2: config.axis_y2_max }; } }; c3_chart_fn.axis.min = function (min) { var $$ = this.internal, config = $$.config; if (arguments.length) { if (typeof min === 'object') { if (isValue(min.x)) { config.axis_x_min = min.x; } if (isValue(min.y)) { config.axis_y_min = min.y; } if (isValue(min.y2)) { config.axis_y2_min = min.y2; } } else { config.axis_y_min = config.axis_y2_min = min; } $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true}); } else { return { x: config.axis_x_min, y: config.axis_y_min, y2: config.axis_y2_min }; } }; c3_chart_fn.axis.range = function (range) { if (arguments.length) { if (isDefined(range.max)) { this.axis.max(range.max); } if (isDefined(range.min)) { this.axis.min(range.min); } } else { return { max: this.axis.max(), min: this.axis.min() }; } }; c3_chart_fn.legend = function () {}; c3_chart_fn.legend.show = function (targetIds) { var $$ = this.internal; $$.showLegend($$.mapToTargetIds(targetIds)); $$.updateAndRedraw({withLegend: true}); }; c3_chart_fn.legend.hide = function (targetIds) { var $$ = this.internal; $$.hideLegend($$.mapToTargetIds(targetIds)); $$.updateAndRedraw({withLegend: true}); }; c3_chart_fn.resize = function (size) { var $$ = this.internal, config = $$.config; config.size_width = size ? size.width : null; config.size_height = size ? size.height : null; this.flush(); }; c3_chart_fn.flush = function () { var $$ = this.internal; $$.updateAndRedraw({withLegend: true, withTransition: false, withTransitionForTransform: false}); }; c3_chart_fn.destroy = function () { var $$ = this.internal; window.clearInterval($$.intervalForObserveInserted); window.onresize = null; $$.selectChart.classed('c3', false).html(""); // MEMO: this is needed because the reference of some elements will not be released, then memory leak will happen. Object.keys($$).forEach(function (key) { $$[key] = null; }); return null; }; c3_chart_fn.tooltip = function () {}; c3_chart_fn.tooltip.show = function (args) { var $$ = this.internal, index, mouse; // determine mouse position on the chart if (args.mouse) { mouse = args.mouse; } // determine focus data if (args.data) { if ($$.isMultipleX()) { // if multiple xs, target point will be determined by mouse mouse = [$$.x(args.data.x), $$.getYScale(args.data.id)(args.data.value)]; index = null; } else { // TODO: when tooltip_grouped = false index = isValue(args.data.index) ? args.data.index : $$.getIndexByX(args.data.x); } } else if (typeof args.x !== 'undefined') { index = $$.getIndexByX(args.x); } else if (typeof args.index !== 'undefined') { index = args.index; } // emulate mouse events to show $$.dispatchEvent('mouseover', index, mouse); $$.dispatchEvent('mousemove', index, mouse); }; c3_chart_fn.tooltip.hide = function () { // TODO: get target data by checking the state of focus this.internal.dispatchEvent('mouseout', 0); }; // Features: // 1. category axis // 2. ceil values of translate/x/y to int for half pixel antialiasing // 3. multiline tick text var tickTextCharSize; function c3_axis(d3, params) { var scale = d3.scale.linear(), orient = "bottom", innerTickSize = 6, outerTickSize, tickPadding = 3, tickValues = null, tickFormat, tickArguments; var tickOffset = 0, tickCulling = true, tickCentered; params = params || {}; outerTickSize = params.withOuterTick ? 6 : 0; function axisX(selection, x) { selection.attr("transform", function (d) { return "translate(" + Math.ceil(x(d) + tickOffset) + ", 0)"; }); } function axisY(selection, y) { selection.attr("transform", function (d) { return "translate(0," + Math.ceil(y(d)) + ")"; }); } function scaleExtent(domain) { var start = domain[0], stop = domain[domain.length - 1]; return start < stop ? [ start, stop ] : [ stop, start ]; } function generateTicks(scale) { var i, domain, ticks = []; if (scale.ticks) { return scale.ticks.apply(scale, tickArguments); } domain = scale.domain(); for (i = Math.ceil(domain[0]); i < domain[1]; i++) { ticks.push(i); } if (ticks.length > 0 && ticks[0] > 0) { ticks.unshift(ticks[0] - (ticks[1] - ticks[0])); } return ticks; } function copyScale() { var newScale = scale.copy(), domain; if (params.isCategory) { domain = scale.domain(); newScale.domain([domain[0], domain[1] - 1]); } return newScale; } function textFormatted(v) { var formatted = tickFormat ? tickFormat(v) : v; return typeof formatted !== 'undefined' ? formatted : ''; } function getSizeFor1Char(tick) { if (tickTextCharSize) { return tickTextCharSize; } var size = { h: 11.5, w: 5.5 }; tick.select('text').text(textFormatted).each(function (d) { var box = this.getBoundingClientRect(), text = textFormatted(d), h = box.height, w = text ? (box.width / text.length) : undefined; if (h && w) { size.h = h; size.w = w; } }).text(''); tickTextCharSize = size; return size; } function transitionise(selection) { return params.withoutTransition ? selection : d3.transition(selection); } function axis(g) { g.each(function () { var g = axis.g = d3.select(this); var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = copyScale(); var ticks = tickValues ? tickValues : generateTicks(scale1), tick = g.selectAll(".tick").data(ticks, scale1), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", 1e-6), // MEMO: No exit transition. The reason is this transition affects max tick width calculation because old tick will be included in the ticks. tickExit = tick.exit().remove(), tickUpdate = transitionise(tick).style("opacity", 1), tickTransform, tickX, tickY; var range = scale.rangeExtent ? scale.rangeExtent() : scaleExtent(scale.range()), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"), transitionise(path)); tickEnter.append("line"); tickEnter.append("text"); var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text"); if (params.isCategory) { tickOffset = Math.ceil((scale1(1) - scale1(0)) / 2); tickX = tickCentered ? 0 : tickOffset; tickY = tickCentered ? tickOffset : 0; } else { tickOffset = tickX = 0; } var text, tspan, sizeFor1Char = getSizeFor1Char(g.select('.tick')), counts = []; var tickLength = Math.max(innerTickSize, 0) + tickPadding, isVertical = orient === 'left' || orient === 'right'; // this should be called only when category axis function splitTickText(d, maxWidth) { var tickText = textFormatted(d), subtext, spaceIndex, textWidth, splitted = []; if (Object.prototype.toString.call(tickText) === "[object Array]") { return tickText; } if (!maxWidth || maxWidth <= 0) { maxWidth = isVertical ? 95 : params.isCategory ? (Math.ceil(scale1(ticks[1]) - scale1(ticks[0])) - 12) : 110; } function split(splitted, text) { spaceIndex = undefined; for (var i = 1; i < text.length; i++) { if (text.charAt(i) === ' ') { spaceIndex = i; } subtext = text.substr(0, i + 1); textWidth = sizeFor1Char.w * subtext.length; // if text width gets over tick width, split by space index or crrent index if (maxWidth < textWidth) { return split( splitted.concat(text.substr(0, spaceIndex ? spaceIndex : i)), text.slice(spaceIndex ? spaceIndex + 1 : i) ); } } return splitted.concat(text); } return split(splitted, tickText + ""); } function tspanDy(d, i) { var dy = sizeFor1Char.h; if (i === 0) { if (orient === 'left' || orient === 'right') { dy = -((counts[d.index] - 1) * (sizeFor1Char.h / 2) - 3); } else { dy = ".71em"; } } return dy; } function tickSize(d) { var tickPosition = scale(d) + (tickCentered ? 0 : tickOffset); return range[0] < tickPosition && tickPosition < range[1] ? innerTickSize : 0; } text = tick.select("text"); tspan = text.selectAll('tspan') .data(function (d, i) { var splitted = params.tickMultiline ? splitTickText(d, params.tickWidth) : [].concat(textFormatted(d)); counts[i] = splitted.length; return splitted.map(function (s) { return { index: i, splitted: s }; }); }); tspan.enter().append('tspan'); tspan.exit().remove(); tspan.text(function (d) { return d.splitted; }); var rotate = params.tickTextRotate; function textAnchorForText(rotate) { if (!rotate) { return 'middle'; } return rotate > 0 ? "start" : "end"; } function textTransform(rotate) { if (!rotate) { return ''; } return "rotate(" + rotate + ")"; } function dxForText(rotate) { if (!rotate) { return 0; } return 8 * Math.sin(Math.PI * (rotate / 180)); } function yForText(rotate) { if (!rotate) { return tickLength; } return 11.5 - 2.5 * (rotate / 15) * (rotate > 0 ? 1 : -1); } switch (orient) { case "bottom": { tickTransform = axisX; lineEnter.attr("y2", innerTickSize); textEnter.attr("y", tickLength); lineUpdate.attr("x1", tickX).attr("x2", tickX).attr("y2", tickSize); textUpdate.attr("x", 0).attr("y", yForText(rotate)) .style("text-anchor", textAnchorForText(rotate)) .attr("transform", textTransform(rotate)); tspan.attr('x', 0).attr("dy", tspanDy).attr('dx', dxForText(rotate)); pathUpdate.attr("d", "M" + range[0] + "," + outerTickSize + "V0H" + range[1] + "V" + outerTickSize); break; } case "top": { // TODO: rotated tick text tickTransform = axisX; lineEnter.attr("y2", -innerTickSize); textEnter.attr("y", -tickLength); lineUpdate.attr("x2", 0).attr("y2", -innerTickSize); textUpdate.attr("x", 0).attr("y", -tickLength); text.style("text-anchor", "middle"); tspan.attr('x', 0).attr("dy", "0em"); pathUpdate.attr("d", "M" + range[0] + "," + -outerTickSize + "V0H" + range[1] + "V" + -outerTickSize); break; } case "left": { tickTransform = axisY; lineEnter.attr("x2", -innerTickSize); textEnter.attr("x", -tickLength); lineUpdate.attr("x2", -innerTickSize).attr("y1", tickY).attr("y2", tickY); textUpdate.attr("x", -tickLength).attr("y", tickOffset); text.style("text-anchor", "end"); tspan.attr('x', -tickLength).attr("dy", tspanDy); pathUpdate.attr("d", "M" + -outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + -outerTickSize); break; } case "right": { tickTransform = axisY; lineEnter.attr("x2", innerTickSize); textEnter.attr("x", tickLength); lineUpdate.attr("x2", innerTickSize).attr("y2", 0); textUpdate.attr("x", tickLength).attr("y", 0); text.style("text-anchor", "start"); tspan.attr('x', tickLength).attr("dy", tspanDy); pathUpdate.attr("d", "M" + outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + outerTickSize); break; } } if (scale1.rangeBand) { var x = scale1, dx = x.rangeBand() / 2; scale0 = scale1 = function (d) { return x(d) + dx; }; } else if (scale0.rangeBand) { scale0 = scale1; } else { tickExit.call(tickTransform, scale1); } tickEnter.call(tickTransform, scale0); tickUpdate.call(tickTransform, scale1); }); } axis.scale = function (x) { if (!arguments.length) { return scale; } scale = x; return axis; }; axis.orient = function (x) { if (!arguments.length) { return orient; } orient = x in {top: 1, right: 1, bottom: 1, left: 1} ? x + "" : "bottom"; return axis; }; axis.tickFormat = function (format) { if (!arguments.length) { return tickFormat; } tickFormat = format; return axis; }; axis.tickCentered = function (isCentered) { if (!arguments.length) { return tickCentered; } tickCentered = isCentered; return axis; }; axis.tickOffset = function () { return tickOffset; }; axis.tickInterval = function () { var interval, length; if (params.isCategory) { interval = tickOffset * 2; } else { length = axis.g.select('path.domain').node().getTotalLength() - outerTickSize * 2; interval = length / axis.g.selectAll('line').size(); } return interval === Infinity ? 0 : interval; }; axis.ticks = function () { if (!arguments.length) { return tickArguments; } tickArguments = arguments; return axis; }; axis.tickCulling = function (culling) { if (!arguments.length) { return tickCulling; } tickCulling = culling; return axis; }; axis.tickValues = function (x) { if (typeof x === 'function') { tickValues = function () { return x(scale.domain()); }; } else { if (!arguments.length) { return tickValues; } tickValues = x; } return axis; }; return axis; } c3_chart_internal_fn.isSafari = function () { var ua = window.navigator.userAgent; return ua.indexOf('Safari') >= 0 && ua.indexOf('Chrome') < 0; }; c3_chart_internal_fn.isChrome = function () { var ua = window.navigator.userAgent; return ua.indexOf('Chrome') >= 0; }; // PhantomJS doesn't have support for Function.prototype.bind, which has caused confusion. Use // this polyfill to avoid the confusion. // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind#Polyfill if (!Function.prototype.bind) { Function.prototype.bind = function(oThis) { if (typeof this !== 'function') { // closest thing possible to the ECMAScript 5 // internal IsCallable function throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable'); } var aArgs = Array.prototype.slice.call(arguments, 1), fToBind = this, fNOP = function() {}, fBound = function() { return fToBind.apply(this instanceof fNOP ? this : oThis, aArgs.concat(Array.prototype.slice.call(arguments))); }; fNOP.prototype = this.prototype; fBound.prototype = new fNOP(); return fBound; }; } if (typeof define === 'function' && define.amd) { define("c3", ["d3"], c3); } else if ('undefined' !== typeof exports && 'undefined' !== typeof module) { module.exports = c3; } else { window.c3 = c3; } })(window);