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Filename : jquery.filer.js
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/*!
 * jQuery.filer
 * Copyright (c) 2015 CreativeDream
 * Website: https://github.com/CreativeDream/jquery.filer
 * Version: 1.0.5 (19-Nov-2015)
 * Requires: jQuery v1.7.1 or later
 */
(function($) {
	"use strict";
	$.fn.filer = function(q) {
		return this.each(function(t, r) {
			var s = $(r),
				b = '.jFiler',
				p = $(),
				o = $(),
				l = $(),
				sl = [],
				n_f = $.isFunction(q) ? q(s, $.fn.filer.defaults) : q,
				n = n_f && $.isPlainObject(n_f) ? $.extend(true, {}, $.fn.filer.defaults, n_f) : $.fn.filer.defaults,
				f = {
					init: function() {
						s.wrap('<div class="jFiler"></div>');
						f._set('props');
						s.prop("jFiler").boxEl = p = s.closest(b);
						f._changeInput();
					},
					_bindInput: function() {
						if(n.changeInput && o.size() > 0) {
							o.bind("click", f._clickHandler);
						}
						s.on({
							"focus": function() {
								o.addClass('focused');
							},
							"blur": function() {
								o.removeClass('focused');
							},
							"change": function() {
								f._onChange();
							}
						});
						if(n.dragDrop) {
							(o.length > 0 ? o : s)
							.bind("drop", f._dragDrop.drop)
								.bind("dragover", f._dragDrop.dragEnter)
								.bind("dragleave", f._dragDrop.dragLeave);
						}
						if(n.uploadFile && n.clipBoardPaste) {
							$(window)
								.on("paste", f._clipboardPaste);
						}
					},
					_unbindInput: function() {
						if(n.changeInput && o.size() > 0) {
							o.unbind("click", f._clickHandler);
						}
					},
					_clickHandler: function() {
						s.click()
					},
					_applyAttrSettings: function() {
						var d = ["name", "limit", "maxSize", "extensions", "changeInput", "showThumbs", "appendTo", "theme", "addMore", "excludeName", "files", "uploadUrl", "uploadData", "options"];
						for(var k in d) {
							var j = "data-jfiler-" + d[k];
							if(f._assets.hasAttr(j)) {
								switch(d[k]) {
									case "changeInput":
									case "showThumbs":
									case "addMore":
										n[d[k]] = (["true", "false"].indexOf(s.attr(j)) > -1 ? s.attr(j) == "true" : s.attr(j));
										break;
									case "extensions":
										n[d[k]] = s.attr(j)
											.replace(/ /g, '')
											.split(",");
										break;
									case "uploadUrl":
										if(n.uploadFile) n.uploadFile.url = s.attr(j);
										break;
									case "uploadData":
										if(n.uploadFile) n.uploadFile.data = JSON.parse(s.attr(j));
										break;
									case "files":
									case "options":
										n[d[k]] = JSON.parse(s.attr(j));
										break;
									default:
										n[d[k]] = s.attr(j);
								}
								s.removeAttr(j);
							}
						}
					},
					_changeInput: function() {
						f._applyAttrSettings();
						n.beforeRender != null && typeof n.beforeRender == "function" ? n.beforeRender(p, s) : null;
						if(n.theme) {
							p.addClass('jFiler-theme-' + n.theme);
						}
						if(s.get(0)
							.tagName.toLowerCase() != "input" && s.get(0)
							.type != "file") {
							o = s;
							s = $("<input type=\"file\" name=\"" + n.name + "\" />");
							s.css({
								position: "absolute",
								left: "-9999px",
								top: "-9999px",
								"z-index": "-9999"
							});
							p.prepend(s);
							f._isGn = s;
						} else {
							if(n.changeInput) {
								switch(typeof n.changeInput) {
									case "boolean":
										o = $('<div class="jFiler-input"><div class="jFiler-input-caption"><span>' + n.captions.feedback + '</span></div><div class="jFiler-input-button">' + n.captions.button + '</div></div>"');
										break;
									case "string":
									case "object":
										o = $(n.changeInput);
										break;
									case "function":
										o = $(n.changeInput(p, s, n));
										break;
								}
								s.after(o);
								s.css({
									position: "absolute",
									left: "-9999px",
									top: "-9999px",
									"z-index": "-9999"
								});
							}
						}
						s.prop("jFiler").newInputEl = o;
						if(!n.limit || (n.limit && n.limit >= 2)) {
							s.attr("multiple", "multiple");
							s.attr("name")
								.slice(-2) != "[]" ? s.attr("name", s.attr("name") + "[]") : null;
						}
						f._bindInput();
						if(n.files) {
							f._append(false, {
								files: n.files
							});
						}
						n.afterRender != null && typeof n.afterRender == "function" ? n.afterRender(l, p, o, s) : null;
					},
					_clear: function() {
						f.files = null;
						s.prop("jFiler")
							.files = null;
						if(!n.uploadFile && !n.addMore) {
							f._reset();
						}
						f._set('feedback', (f._itFl && f._itFl.length > 0 ? f._itFl.length + ' ' + n.captions.feedback2 : n.captions.feedback));
						n.onEmpty != null && typeof n.onEmpty == "function" ? n.onEmpty(p, o, s) : null
					},
					_reset: function(a) {
						if(!a) {
							if(!n.uploadFile && n.addMore) {
								for(var i = 0; i < sl.length; i++) {
									sl[i].remove();
								}
								sl = [];
								f._unbindInput();
								if(f._isGn) {
									s = f._isGn;
								} else {
									s = $(r);
								}
								f._bindInput();
							}
							f._set('input', '');
						}
						f._itFl = [];
						f._itFc = null;
						f._ajFc = 0;
						f._set('props');
						s.prop("jFiler")
							.files_list = f._itFl;
						s.prop("jFiler")
							.current_file = f._itFc;
						if(!f._prEr) {
							f._itFr = [];
							p.find("input[name^='jfiler-items-exclude-']:hidden")
								.remove();
						}
						l.fadeOut("fast", function() {
							$(this)
								.remove();
						});
						s.prop("jFiler").listEl = l = $();
					},
					_set: function(element, value) {
						switch(element) {
							case 'input':
								s.val("");
								break;
							case 'feedback':
								if(o.length > 0) {
									o.find('.jFiler-input-caption span')
										.html(value);
								}
								break;
							case 'props':
								if(!s.prop("jFiler")){
									s.prop("jFiler", {
										options: n,
										listEl: l,
										boxEl: p,
										newInputEl: o,
										inputEl: s,
										files: f.files,
										files_list: f._itFl,
										current_file: f._itFc,
										append: function(data) {
											return f._append(false, {
												files: [data]
											});
										},
										remove: function(id) {
											f._remove(null, {
												binded: true,
												data: {
													id: id
												}
											});
											return true;
										},
										reset: function() {
											f._reset();
											f._clear();
											return true;
										},
										retry: function(data) {
											return f._retryUpload(data);
										}
									})	
								}
						}
					},
					_filesCheck: function() {
						var s = 0;
						if(n.limit && f.files.length + f._itFl.length > n.limit) {
							alert(f._assets.textParse(n.captions.errors.filesLimit));
							return false
						}
						for(var t = 0; t < f.files.length; t++) {
							var x = f.files[t].name.split(".")
								.pop()
								.toLowerCase(),
								file = f.files[t],
								m = {
									name: file.name,
									size: file.size,
									size2: f._assets.bytesToSize(file.size),
									type: file.type,
									ext: x
								};
							if(n.extensions != null && $.inArray(x, n.extensions) == -1) {
								alert(f._assets.textParse(n.captions.errors.filesType, m));
								return false;
								break
							}
							if(n.maxSize != null && f.files[t].size > n.maxSize * 1048576) {
								alert(f._assets.textParse(n.captions.errors.filesSize, m));
								return false;
								break
							}
							if(file.size == 4096 && file.type.length == 0) {
								return false;
								break
							}
							s += f.files[t].size
						}
						if(n.maxSize != null && s >= Math.round(n.maxSize * 1048576)) {
							alert(f._assets.textParse(n.captions.errors.filesSizeAll));
							return false
						}
						if((n.addMore || n.uploadFile)) {
							var m = f._itFl.filter(function(a, b) {
								if(a.file.name == file.name && a.file.size == file.size && a.file.type == file.type && (file.lastModified ? a.file.lastModified == file.lastModified : true)) {
									return true;
								}
							});
							if(m.length > 0) {
								return false
							}
						}
						return true;
					},
					_thumbCreator: {
						create: function(i) {
							var file = f.files[i],
								id = (f._itFc ? f._itFc.id : i),
								name = file.name,
								size = file.size,
								type = file.type.split("/", 1)
								.toString()
								.toLowerCase(),
								ext = name.indexOf(".") != -1 ? name.split(".")
								.pop()
								.toLowerCase() : "",
								progressBar = n.uploadFile ? '<div class="jFiler-jProgressBar">' + n.templates.progressBar + '</div>' : '',
								opts = {
									id: id,
									name: name,
									size: size,
									size2: f._assets.bytesToSize(size),
									type: type,
									extension: ext,
									icon: f._assets.getIcon(ext, type),
									icon2: f._thumbCreator.generateIcon({
										type: type,
										extension: ext
									}),
									image: '<div class="jFiler-item-thumb-image fi-loading"></div>',
									progressBar: progressBar,
									_appended: file._appended
								},
								html = "";
							if(file.opts) {
								opts = $.extend({}, file.opts, opts);
							}
							html = $(f._thumbCreator.renderContent(opts))
								.attr("data-jfiler-index", id);
							html.get(0)
								.jfiler_id = id;
							f._thumbCreator.renderFile(file, html, opts);
							if(file.forList) {
								return html;
							}
							f._itFc.html = html;
							html.hide()[n.templates.itemAppendToEnd ? "appendTo" : "prependTo"](l.find(n.templates._selectors.list))
								.show();
							if(!file._appended) {
								f._onSelect(i);
							}
						},
						renderContent: function(opts) {
							return f._assets.textParse((opts._appended ? n.templates.itemAppend : n.templates.item), opts);
						},
						renderFile: function(file, html, opts) {
							if(html.find('.jFiler-item-thumb-image')
								.size() == 0) {
								return false;
							}
							if(file.file && opts.type == "image") {
								var g = '<img src="' + file.file + '" draggable="false" />',
									m = html.find('.jFiler-item-thumb-image.fi-loading');
								$(g)
									.error(function() {
										g = f._thumbCreator.generateIcon(opts);
										html.addClass('jFiler-no-thumbnail');
										m.removeClass('fi-loading')
											.html(g);
									})
									.load(function() {
										m.removeClass('fi-loading')
											.html(g);
									});
								return true;
							}
							if(window.File && window.FileList && window.FileReader && opts.type == "image" && opts.size < 6e+6) {
								var y = new FileReader;
								y.onload = function(e) {
									var g = '<img src="' + e.target.result + '" draggable="false" />',
										m = html.find('.jFiler-item-thumb-image.fi-loading');
									$(g)
										.error(function() {
											g = f._thumbCreator.generateIcon(opts);
											html.addClass('jFiler-no-thumbnail');
											m.removeClass('fi-loading')
												.html(g);
										})
										.load(function() {
											m.removeClass('fi-loading')
												.html(g);
										});
								};
								y.readAsDataURL(file);
							} else {
								var g = f._thumbCreator.generateIcon(opts),
									m = html.find('.jFiler-item-thumb-image.fi-loading');
								html.addClass('jFiler-no-thumbnail');
								m.removeClass('fi-loading')
									.html(g);
							}
						},
						generateIcon: function(obj) {
							var m = new Array(3);
							if(obj && obj.type && obj.extension) {
								switch(obj.type) {
									case "image":
										m[0] = "f-image";
										m[1] = "<i class=\"icon-jfi-file-image\"></i>"
										break;
									case "video":
										m[0] = "f-video";
										m[1] = "<i class=\"icon-jfi-file-video\"></i>"
										break;
									case "audio":
										m[0] = "f-audio";
										m[1] = "<i class=\"icon-jfi-file-audio\"></i>"
										break;
									default:
										m[0] = "f-file f-file-ext-" + obj.extension;
										m[1] = (obj.extension.length > 0 ? "." + obj.extension : "");
										m[2] = 1
								}
							} else {
								m[0] = "f-file";
								m[1] = (obj.extension && obj.extension.length > 0 ? "." + obj.extension : "");
								m[2] = 1
							}
							var el = '<span class="jFiler-icon-file ' + m[0] + '">' + m[1] + '</span>';
							if(m[2] == 1) {
								var c = f._assets.text2Color(obj.extension);
								if(c) {
									var j = $(el)
										.appendTo("body"),
										h = j.css("box-shadow");
									h = c + h.substring(h.replace(/^.*(rgba?\([^)]+\)).*$/, '$1')
										.length, h.length);
									j.css({
											'-webkit-box-shadow': h,
											'-moz-box-shadow': h,
											'box-shadow': h
										})
										.attr('style', '-webkit-box-shadow: ' + h + '; -moz-box-shadow: ' + h + '; box-shadow: ' + h + ';');
									el = j.prop('outerHTML');
									j.remove();
								}
							}
							return el;
						},
						_box: function(params) {
							if(n.beforeShow != null && typeof n.beforeShow == "function" ? !n.beforeShow(f.files, l, p, o, s) : false) {
								return false
							}
							if(l.length < 1) {
								if(n.appendTo) {
									var appendTo = $(n.appendTo);
								} else {
									var appendTo = p;
								}
								appendTo.find('.jFiler-items')
									.remove();
								l = $('<div class="jFiler-items jFiler-row"></div>');
								s.prop("jFiler").listEl = l;
								l.append(f._assets.textParse(n.templates.box))
									.appendTo(appendTo);
								l.on('click', n.templates._selectors.remove, function(e) {
									e.preventDefault();
									var cf = n.templates.removeConfirmation ? confirm(n.captions.removeConfirmation) : true;
									if(cf) {
										f._remove(params ? params.remove.event : e, params ? params.remove.el : $(this)
											.closest(n.templates._selectors.item));
									}
								});
							}
							for(var i = 0; i < f.files.length; i++) {
								if(!f.files[i]._appended) f.files[i]._choosed = true;
								f._addToMemory(i);
								f._thumbCreator.create(i);
							}
						}
					},
					_upload: function(i) {
						var el = f._itFc.html,
							formData = new FormData();
						formData.append(s.attr('name'), f._itFc.file, (f._itFc.file.name ? f._itFc.file.name : false));
						if(n.uploadFile.data != null && $.isPlainObject(n.uploadFile.data)) {
							for(var k in n.uploadFile.data) {
								formData.append(k, n.uploadFile.data[k])
							}
						}
						f._ajax.send(el, formData, f._itFc);
					},
					_ajax: {
						send: function(el, formData, c) {
							c.ajax = $.ajax({
								url: n.uploadFile.url,
								data: formData,
								type: n.uploadFile.type,
								enctype: n.uploadFile.enctype,
								xhr: function() {
									var myXhr = $.ajaxSettings.xhr();
									if(myXhr.upload) {
										myXhr.upload.addEventListener("progress", function(e) {
											f._ajax.progressHandling(e, el)
										}, false)
									}
									return myXhr
								},
								complete: function(jqXHR, textStatus) {
									c.ajax = false;
									f._ajFc++;
									if(f._ajFc >= f.files.length) {
										f._ajFc = 0;
										n.uploadFile.onComplete != null && typeof n.uploadFile.onComplete == "function" ? n.uploadFile.onComplete(l, p, o, s, jqXHR, textStatus) : null;
									}
								},
								beforeSend: function(jqXHR, settings) {
									return n.uploadFile.beforeSend != null && typeof n.uploadFile.beforeSend == "function" ? n.uploadFile.beforeSend(el, l, p, o, s, c.id, jqXHR, settings) : true;
								},
								success: function(data, textStatus, jqXHR) {
									c.uploaded = true;
									n.uploadFile.success != null && typeof n.uploadFile.success == "function" ? n.uploadFile.success(data, el, l, p, o, s, c.id, textStatus, jqXHR) : null
								},
								error: function(jqXHR, textStatus, errorThrown) {
									c.uploaded = false;
									n.uploadFile.error != null && typeof n.uploadFile.error == "function" ? n.uploadFile.error(el, l, p, o, s, c.id, jqXHR, textStatus, errorThrown) : null
								},
								statusCode: n.uploadFile.statusCode,
								cache: false,
								contentType: false,
								processData: false
							});
							return c.ajax;
						},
						progressHandling: function(e, el) {
							if(e.lengthComputable) {
								var t = Math.round(e.loaded * 100 / e.total)
									.toString();
								n.uploadFile.onProgress != null && typeof n.uploadFile.onProgress == "function" ? n.uploadFile.onProgress(t, el, l, p, o, s) : null;
								el.find('.jFiler-jProgressBar')
									.find(n.templates._selectors.progressBar)
									.css("width", t + "%")
							}
						}
					},
					_dragDrop: {
						dragEnter: function(e) {
							e.preventDefault();
							e.stopPropagation();
							p.addClass('dragged');
							f._set('feedback', n.captions.drop);
							n.dragDrop.dragEnter != null && typeof n.dragDrop.dragEnter == "function" ? n.dragDrop.dragEnter(e, o, s, p) : null;
						},
						dragLeave: function(e) {
							e.preventDefault();
							e.stopPropagation();
							if(!f._dragDrop._dragLeaveCheck(e)) {
								return false
							}
							p.removeClass('dragged');
							f._set('feedback', n.captions.feedback);
							n.dragDrop.dragLeave != null && typeof n.dragDrop.dragLeave == "function" ? n.dragDrop.dragLeave(e, o, s, p) : null;
						},
						drop: function(e) {
							e.preventDefault();
							p.removeClass('dragged');
							f._set('feedback', n.captions.feedback);
							if(e && e.originalEvent && e.originalEvent.dataTransfer && e.originalEvent.dataTransfer.files && e.originalEvent.dataTransfer.files.length > 0) {
								f._onChange(e, e.originalEvent.dataTransfer.files);
							}
							n.dragDrop.drop != null && typeof n.dragDrop.drop == "function" ? n.dragDrop.drop(e.originalEvent.dataTransfer.files, e, o, s, p) : null;
						},
						_dragLeaveCheck: function(e) {
							var related = e.relatedTarget,
								inside = false;
							if(related !== o) {
								if(related) {
									inside = $.contains(o, related);
								}
								if(inside) {
									return false;
								}
							}
							return true;
						}
					},
					_clipboardPaste: function(e, fromDrop) {
						if(!fromDrop && (!e.originalEvent.clipboardData && !e.originalEvent.clipboardData.items)) {
							return
						}
						if(fromDrop && (!e.originalEvent.dataTransfer && !e.originalEvent.dataTransfer.items)) {
							return
						}
						if(f._clPsePre) {
							return
						}
						var items = (fromDrop ? e.originalEvent.dataTransfer.items : e.originalEvent.clipboardData.items),
							b64toBlob = function(b64Data, contentType, sliceSize) {
								contentType = contentType || '';
								sliceSize = sliceSize || 512;
								var byteCharacters = atob(b64Data);
								var byteArrays = [];
								for(var offset = 0; offset < byteCharacters.length; offset += sliceSize) {
									var slice = byteCharacters.slice(offset, offset + sliceSize);
									var byteNumbers = new Array(slice.length);
									for(var i = 0; i < slice.length; i++) {
										byteNumbers[i] = slice.charCodeAt(i);
									}
									var byteArray = new Uint8Array(byteNumbers);
									byteArrays.push(byteArray);
								}
								var blob = new Blob(byteArrays, {
									type: contentType
								});
								return blob;
							};
						if(items) {
							for(var i = 0; i < items.length; i++) {
								if(items[i].type.indexOf("image") !== -1 || items[i].type.indexOf("text/uri-list") !== -1) {
									if(fromDrop) {
										try {
											window.atob(e.originalEvent.dataTransfer.getData("text/uri-list")
												.toString()
												.split(',')[1]);
										} catch(e) {
											return;
										}
									}
									var blob = (fromDrop ? b64toBlob(e.originalEvent.dataTransfer.getData("text/uri-list")
										.toString()
										.split(',')[1], "image/png") : items[i].getAsFile());
									blob.name = Math.random()
										.toString(36)
										.substring(5);
									blob.name += blob.type.indexOf("/") != -1 ? "." + blob.type.split("/")[1].toString()
										.toLowerCase() : ".png";
									f._onChange(e, [blob]);
									f._clPsePre = setTimeout(function() {
										delete f._clPsePre
									}, 1000);
								}
							}
						}
					},
					_onSelect: function(i) {
						if(n.uploadFile && !$.isEmptyObject(n.uploadFile)) {
							f._upload(i)
						}
						n.onSelect != null && typeof n.onSelect == "function" ? n.onSelect(f.files[i], f._itFc.html, l, p, o, s) : null;
						if(i + 1 >= f.files.length) {
							n.afterShow != null && typeof n.afterShow == "function" ? n.afterShow(l, p, o, s) : null
						}
					},
					_onChange: function(e, d) {
						if(!d) {
							if(!s.get(0)
								.files || typeof s.get(0)
								.files == "undefined" || s.get(0)
								.files.length == 0) {
								if(!n.uploadFile && !n.addMore) {
									f._set('input', '');
									f._clear();
								}
								return false
							}
							f.files = s.get(0)
								.files;
						} else {
							if(!d || d.length == 0) {
								f._set('input', '');
								f._clear();
								return false
							}
							f.files = d;
						}
						if(!n.uploadFile && !n.addMore) {
							f._reset(true);
						}
						s.prop("jFiler")
							.files = f.files;
						if(!f._filesCheck() || (n.beforeSelect != null && typeof n.beforeSelect == "function" ? !n.beforeSelect(f.files, l, p, o, s) : false)) {
							f._set('input', '');
							f._clear();
							return false
						}
						f._set('feedback', f.files.length + f._itFl.length + ' ' + n.captions.feedback2);
						if(n.showThumbs) {
							f._thumbCreator._box();
						} else {
							for(var i = 0; i < f.files.length; i++) {
								f.files[i]._choosed = true;
								f._addToMemory(i);
								f._onSelect(i);
							}
						}
						if(!n.uploadFile && n.addMore) {
							var elem = $('<input type="file" />');
							var attributes = s.prop("attributes");
							$.each(attributes, function() {
								elem.attr(this.name, this.value);
							});
							s.after(elem);
							f._unbindInput();
							sl.push(elem);
							s = elem;
							f._bindInput();
							f._set('props');
						}
					},
					_append: function(e, data) {
						var files = (!data ? false : data.files);
						if(!files || files.length <= 0) {
							return;
						}
						f.files = files;
						s.prop("jFiler")
							.files = f.files;
						if(n.showThumbs) {
							for(var i = 0; i < f.files.length; i++) {
								f.files[i]._appended = true;
							}
							f._thumbCreator._box();
						}
					},
					_getList: function(e, data) {
						var files = (!data ? false : data.files);
						if(!files || files.length <= 0) {
							return;
						}
						f.files = files;
						s.prop("jFiler")
							.files = f.files;
						if(n.showThumbs) {
							var returnData = [];
							for(var i = 0; i < f.files.length; i++) {
								f.files[i].forList = true;
								returnData.push(f._thumbCreator.create(i));
							}
							if(data.callback) {
								data.callback(returnData, l, p, o, s);
							}
						}
					},
					_retryUpload: function(e, data) {
						var id = parseInt(typeof data == "object" ? data.attr("data-jfiler-index") : data),
							obj = f._itFl.filter(function(value, key) {
								return value.id == id;
							});
						if(obj.length > 0) {
							if(n.uploadFile && !$.isEmptyObject(n.uploadFile) && !obj[0].uploaded) {
								f._itFc = obj[0];
								s.prop("jFiler")
									.current_file = f._itFc;
								f._upload(id);
								return true;
							}
						} else {
							return false;
						}
					},
					_remove: function(e, el) {
						if(el.binded) {
							if(typeof(el.data.id) != "undefined") {
								el = l.find(n.templates._selectors.item + "[data-jfiler-index='" + el.data.id + "']");
								if(el.size() == 0) {
									return false
								}
							}
							if(el.data.el) {
								el = el.data.el;
							}
						}
						var attrId = el.get(0)
							.jfiler_id || el.attr('data-jfiler-index'),
							id = null,
							excl_input = function(id) {
								var input = p.find("input[name^='jfiler-items-exclude-']:hidden")
									.first(),
									item = f._itFl[id],
									val = [];
								if(input.size() == 0) {
									input = $('<input type="hidden" name="jfiler-items-exclude-' + (n.excludeName ? n.excludeName : (s.attr("name")
										.slice(-2) != "[]" ? s.attr("name") : s.attr("name")
										.substring(0, s.attr("name")
											.length - 2)) + "-" + t) + '">');
									input.appendTo(p);
								}
								if(item.file._choosed || item.file._appended || item.uploaded) {
									f._prEr = true;
									f._itFr.push(item);
									if(n.addMore) {
										var current_input = item.input,
											count_same_input = 0;
										f._itFl.filter(function(val, index) {
											if(val.file._choosed && val.input.get(0) == current_input.get(0)) count_same_input++;
										});
										if(count_same_input == 1) {
											f._itFr = f._itFr.filter(function(val, index) {
												return val.file._choosed ? val.input.get(0) != current_input.get(0) : true;
											});
											current_input.val("");
											f._prEr = false;
										}
									}
									for(var i = 0; i < f._itFr.length; i++) {
										val.push(f._itFr[i].file.name);
									}
									val = JSON.stringify(val);
									input.val(val);
								}
							},
							callback = function(el, id) {
								excl_input(id);
								f._itFl.splice(id, 1);
								if(f._itFl.length < 1) {
									f._reset();
									f._clear();
								} else {
									f._set('feedback', f._itFl.length + ' ' + n.captions.feedback2);
								}
								el.fadeOut("fast", function() {
									$(this)
										.remove();
								});
							};
						for(var key in f._itFl) {
							if(key === 'length' || !f._itFl.hasOwnProperty(key)) continue;
							if(f._itFl[key].id == attrId) {
								id = key;
							}
						}
						if(!f._itFl.hasOwnProperty(id)) {
							return false
						}
						if(f._itFl[id].ajax) {
							f._itFl[id].ajax.abort();
							callback(el, id);
							return;
						}
						n.onRemove != null && typeof n.onRemove == "function" ? n.onRemove(el, f._itFl[id].file, id, l, p, o, s) : null;
						callback(el, id);
					},
					_addToMemory: function(i) {
						f._itFl.push({
							id: f._itFl.length,
							file: f.files[i],
							html: $(),
							ajax: false,
							uploaded: false,
						});
						if(n.addMore && !f.files[i]._appended) f._itFl[f._itFl.length - 1].input = s;
						f._itFc = f._itFl[f._itFl.length - 1];
						s.prop("jFiler")
							.files_list = f._itFl;
						s.prop("jFiler")
							.current_file = f._itFc;
					},
					_assets: {
						bytesToSize: function(bytes) {
							if(bytes == 0) return '0 Byte';
							var k = 1000;
							var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
							var i = Math.floor(Math.log(bytes) / Math.log(k));
							return(bytes / Math.pow(k, i))
								.toPrecision(3) + ' ' + sizes[i];
						},
						hasAttr: function(attr, el) {
							var el = (!el ? s : el),
								a = el.attr(attr);
							if(!a || typeof a == "undefined") {
								return false;
							} else {
								return true;
							}
						},
						getIcon: function(ext, type) {
							var types = ["audio", "image", "text", "video"];
							if($.inArray(type, types) > -1) {
								return '<i class="icon-jfi-file-' + type + ' jfi-file-ext-' + ext + '"></i>';
							}
							return '<i class="icon-jfi-file-o jfi-file-type-' + type + ' jfi-file-ext-' + ext + '"></i>';
						},
						textParse: function(text, opts) {
							opts = $.extend({}, {
								limit: n.limit,
								maxSize: n.maxSize,
								extensions: n.extensions ? n.extensions.join(',') : null,
							}, (opts && $.isPlainObject(opts) ? opts : {}), n.options);
							switch(typeof(text)) {
								case "string":
									return text.replace(/\{\{fi-(.*?)\}\}/g, function(match, a) {
										a = a.replace(/ /g, '');
										if(a.match(/(.*?)\|limitTo\:(\d+)/)) {
											return a.replace(/(.*?)\|limitTo\:(\d+)/, function(match, a, b) {
												var a = (opts[a] ? opts[a] : ""),
													str = a.substring(0, b);
												str = (a.length > str.length ? str.substring(0, str.length - 3) + "..." : str);
												return str;
											});
										} else {
											return(opts[a] ? opts[a] : "");
										}
									});
									break;
								case "function":
									return text(opts);
									break;
								default:
									return text;
							}
						},
						text2Color: function(str) {
							if(!str || str.length == 0) {
								return false
							}
							for(var i = 0, hash = 0; i < str.length; hash = str.charCodeAt(i++) + ((hash << 5) - hash));
							for(var i = 0, colour = "#"; i < 3; colour += ("00" + ((hash >> i++ * 2) & 0xFF)
									.toString(16))
								.slice(-2));
							return colour;
						}
					},
					files: null,
					_itFl: [],
					_itFc: null,
					_itFr: [],
					_ajFc: 0,
					_prEr: false
				}
			
			s.on("filer.append", function(e, data) {
				f._append(e, data)
			}).on("filer.remove", function(e, data) {
				data.binded = true;
				f._remove(e, data);
			}).on("filer.reset", function(e) {
				f._reset();
				f._clear();
				return true;
			}).on("filer.generateList", function(e, data) {
				return f._getList(e, data)
			}).on("filer.retry", function(e, data) {
				return f._retryUpload(e, data)
			});
			
			f.init();
			
			return this;
		});
	};
	$.fn.filer.defaults = {
		limit: null,
		maxSize: null,
		extensions: null,
		changeInput: true,
		showThumbs: false,
		appendTo: null,
		theme: 'default',
		templates: {
			box: '<ul class="jFiler-items-list jFiler-items-default"></ul>',
			item: '<li class="jFiler-item"><div class="jFiler-item-container"><div class="jFiler-item-inner"><div class="jFiler-item-icon pull-left">{{fi-icon}}</div><div class="jFiler-item-info pull-left"><div class="jFiler-item-title" title="{{fi-name}}">{{fi-name | limitTo:30}}</div><div class="jFiler-item-others"><span>size: {{fi-size2}}</span><span>type: {{fi-extension}}</span><span class="jFiler-item-status">{{fi-progressBar}}</span></div><div class="jFiler-item-assets"><ul class="list-inline"><li><a class="icon-jfi-trash jFiler-item-trash-action"></a></li></ul></div></div></div></div></li>',
			itemAppend: '<li class="jFiler-item"><div class="jFiler-item-container"><div class="jFiler-item-inner"><div class="jFiler-item-icon pull-left">{{fi-icon}}</div><div class="jFiler-item-info pull-left"><div class="jFiler-item-title">{{fi-name | limitTo:35}}</div><div class="jFiler-item-others"><span>size: {{fi-size2}}</span><span>type: {{fi-extension}}</span><span class="jFiler-item-status"></span></div><div class="jFiler-item-assets"><ul class="list-inline"><li><a class="icon-jfi-trash jFiler-item-trash-action"></a></li></ul></div></div></div></div></li>',
			progressBar: '<div class="bar"></div>',
			itemAppendToEnd: false,
			removeConfirmation: true,
			_selectors: {
				list: '.jFiler-items-list',
				item: '.jFiler-item',
				progressBar: '.bar',
				remove: '.jFiler-item-trash-action'
			}
		},
		files: null,
		uploadFile: null,
		dragDrop: null,
		addMore: false,
		clipBoardPaste: true,
		excludeName: null,
		beforeRender: null,
		afterRender: null,
		beforeShow: null,
		beforeSelect: null,
		onSelect: null,
		afterShow: null,
		onRemove: null,
		onEmpty: null,
		options: null,
		captions: {
			button: "Choose Files",
			feedback: "Choose files To Upload",
			feedback2: "files were chosen",
			drop: "Drop file here to Upload",
			removeConfirmation: "Are you sure you want to remove this file?",
			errors: {
				filesLimit: "Only {{fi-limit}} files are allowed to be uploaded.",
				filesType: "Only Images are allowed to be uploaded.",
				filesSize: "{{fi-name}} is too large! Please upload file up to {{fi-maxSize}} MB.",
				filesSizeAll: "Files you've choosed are too large! Please upload files up to {{fi-maxSize}} MB."
			}
		}
	}
})(jQuery);