/* Copyright 2012 Igor Vaynberg Version: @@ver@@ Timestamp: @@timestamp@@ Licensed under the Apache License, Version 2.0 (the "License"); you may not use this work except in compliance with the License. You may obtain a copy of the License in the LICENSE file, or at: http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ (function ($) { if(typeof $.fn.each2 == "undefined"){ $.fn.extend({ /* * 4-10 times faster .each replacement * use it carefully, as it overrides jQuery context of element on each iteration */ each2 : function (c) { var j = $([0]), i = -1, l = this.length; while ( ++i < l && (j.context = j[0] = this[i]) && c.call(j[0], i, j) !== false //"this"=DOM, i=index, j=jQuery object ); return this; } }); } })(jQuery); (function ($, undefined) { "use strict"; /*global document, window, jQuery, console */ if (window.Select2 !== undefined) { return; } var KEY, AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer; KEY = { TAB: 9, ENTER: 13, ESC: 27, SPACE: 32, LEFT: 37, UP: 38, RIGHT: 39, DOWN: 40, SHIFT: 16, CTRL: 17, ALT: 18, PAGE_UP: 33, PAGE_DOWN: 34, HOME: 36, END: 35, BACKSPACE: 8, DELETE: 46, isArrow: function (k) { k = k.which ? k.which : k; switch (k) { case KEY.LEFT: case KEY.RIGHT: case KEY.UP: case KEY.DOWN: return true; } return false; }, isControl: function (k) { k = k.which ? k.which : k; switch (k) { case KEY.SHIFT: case KEY.CTRL: case KEY.ALT: return true; } if (k.metaKey) return true; return false; }, isFunctionKey: function (k) { k = k.which ? k.which : k; return k >= 112 && k <= 123; } }; nextUid=(function() { var counter=1; return function() { return counter++; }; }()); function indexOf(value, array) { var i = 0, l = array.length, v; if (typeof value === "undefined") { return -1; } if (value.constructor === String) { for (; i < l; i = i + 1) if (value.localeCompare(array[i]) === 0) return i; } else { for (; i < l; i = i + 1) { v = array[i]; if (v.constructor === String) { if (v.localeCompare(value) === 0) return i; } else { if (v === value) return i; } } } return -1; } /** * Compares equality of a and b taking into account that a and b may be strings, in which case localeCompare is used * @param a * @param b */ function equal(a, b) { if (a === b) return true; if (a === undefined || b === undefined) return false; if (a === null || b === null) return false; if (a.constructor === String) return a.localeCompare(b) === 0; if (b.constructor === String) return b.localeCompare(a) === 0; return false; } /** * Splits the string into an array of values, trimming each value. An empty array is returned for nulls or empty * strings * @param string * @param separator */ function splitVal(string, separator) { var val, i, l; if (string === null || string.length < 1) return []; val = string.split(separator); for (i = 0, l = val.length; i < l; i = i + 1) val[i] = $.trim(val[i]); return val; } function getSideBorderPadding(element) { return element.outerWidth() - element.width(); } function installKeyUpChangeEvent(element) { var key="keyup-change-value"; element.bind("keydown", function () { if ($.data(element, key) === undefined) { $.data(element, key, element.val()); } }); element.bind("keyup", function () { var val= $.data(element, key); if (val !== undefined && element.val() !== val) { $.removeData(element, key); element.trigger("keyup-change"); } }); } $(document).delegate("*", "mousemove", function (e) { $(document).data("select2-lastpos", {x: e.pageX, y: e.pageY}); }); /** * filters mouse events so an event is fired only if the mouse moved. * * filters out mouse events that occur when mouse is stationary but * the elements under the pointer are scrolled. */ function installFilteredMouseMove(element) { element.bind("mousemove", function (e) { var lastpos = $(document).data("select2-lastpos"); if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) { $(e.target).trigger("mousemove-filtered", e); } }); } /** * Debounces a function. Returns a function that calls the original fn function only if no invocations have been made * within the last quietMillis milliseconds. * * @param quietMillis number of milliseconds to wait before invoking fn * @param fn function to be debounced * @return debounced version of fn */ function debounce(quietMillis, fn) { var timeout; return function () { window.clearTimeout(timeout); timeout = window.setTimeout(fn, quietMillis); }; } function installDebouncedScroll(threshold, element) { var notify = debounce(threshold, function (e) { element.trigger("scroll-debounced", e);}); element.bind("scroll", function (e) { if (indexOf(e.target, element.get()) >= 0) notify(e); }); } function killEvent(event) { event.preventDefault(); event.stopPropagation(); } function measureTextWidth(e) { if (!sizer){ var style = e[0].currentStyle || window.getComputedStyle(e[0], null); sizer = $("
").css({ position: "absolute", left: "-1000px", top: "-1000px", display: "none", fontSize: style.fontSize, fontFamily: style.fontFamily, fontStyle: style.fontStyle, fontWeight: style.fontWeight, letterSpacing: style.letterSpacing, textTransform: style.textTransform, whiteSpace: "nowrap" }); $("body").append(sizer); } sizer.text(e.val()); return sizer.width(); } function markMatch(text, term, markup) { var match=text.toUpperCase().indexOf(term.toUpperCase()), tl=term.length; if (match<0) { markup.push(text); return; } markup.push(text.substring(0, match)); markup.push(""); markup.push(text.substring(match, match + tl)); markup.push(""); markup.push(text.substring(match + tl, text.length)); } /** * Produces an ajax-based query function * * @param options object containing configuration paramters * @param options.transport function that will be used to execute the ajax request. must be compatible with parameters supported by $.ajax * @param options.url url for the data * @param options.data a function(searchTerm, pageNumber, context) that should return an object containing query string parameters for the above url. * @param options.dataType request data type: ajax, jsonp, other datatatypes supported by jQuery's $.ajax function or the transport function if specified * @param options.quietMillis (optional) milliseconds to wait before making the ajaxRequest, helps debounce the ajax function if invoked too often * @param options.results a function(remoteData, pageNumber) that converts data returned form the remote request to the format expected by Select2. * The expected format is an object containing the following keys: * results array of objects that will be used as choices * more (optional) boolean indicating whether there are more results available * Example: {results:[{id:1, text:'Red'},{id:2, text:'Blue'}], more:true} */ function ajax(options) { var timeout, // current scheduled but not yet executed request requestSequence = 0, // sequence used to drop out-of-order responses handler = null, quietMillis = options.quietMillis || 100; return function (query) { window.clearTimeout(timeout); timeout = window.setTimeout(function () { requestSequence += 1; // increment the sequence var requestNumber = requestSequence, // this request's sequence number data = options.data, // ajax data function transport = options.transport || $.ajax, type = options.type || 'GET'; // set type of request (GET or POST) data = data.call(this, query.term, query.page, query.context); if( null !== handler) { handler.abort(); } handler = transport.call(null, { url: options.url, dataType: options.dataType, data: data, type: type, success: function (data) { if (requestNumber < requestSequence) { return; } // TODO 3.0 - replace query.page with query so users have access to term, page, etc. var results = options.results(data, query.page); query.callback(results); } }); }, quietMillis); }; } /** * Produces a query function that works with a local array * * @param options object containing configuration parameters. The options parameter can either be an array or an * object. * * If the array form is used it is assumed that it contains objects with 'id' and 'text' keys. * * If the object form is used ti is assumed that it contains 'data' and 'text' keys. The 'data' key should contain * an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text' * key can either be a String in which case it is expected that each element in the 'data' array has a key with the * value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract * the text. */ function local(options) { var data = options, // data elements dataText, text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search if (!$.isArray(data)) { text = data.text; // if text is not a function we assume it to be a key name if (!$.isFunction(text)) { dataText = data.text; // we need to store this in a separate variable because in the next step data gets reset and data.text is no longer available text = function (item) { return item[dataText]; }; } data = data.results; } return function (query) { var t = query.term, filtered = {}; if (t === "") { query.callback({results: data}); return; } filtered.results = $(data) .filter(function () {return query.matcher(t, text(this));}) .get(); query.callback(filtered); }; } // TODO javadoc function tags(data) { // TODO even for a function we should probably return a wrapper that does the same object/string check as // the function for arrays. otherwise only functions that return objects are supported. if ($.isFunction(data)) { return data; } // if not a function we assume it to be an array return function (query) { var t = query.term, filtered = {results: []}; $(data).each(function () { var isObject = this.text !== undefined, text = isObject ? this.text : this; if (t === "" || query.matcher(t, text)) { filtered.results.push(isObject ? this : {id: this, text: this}); } }); query.callback(filtered); }; } /** * blurs any Select2 container that has focus when an element outside them was clicked or received focus */ $(document).ready(function () { $(document).delegate("*", "mousedown focusin touchend", function (e) { var target = $(e.target).closest("div.select2-container").get(0); if (target) { $(document).find("div.select2-container-active").each(function () { if (this !== target) $(this).data("select2").blur(); }); } else { target = $(e.target).closest("div.select2-drop").get(0); $(document).find("div.select2-drop-active").each(function () { if (this !== target) $(this).data("select2").blur(); }); } }); }); function evaluate(val) { return $.isFunction(val) ? val() : val; } /** * Creates a new class * * @param superClass * @param methods */ function clazz(SuperClass, methods) { var constructor = function () {}; constructor.prototype = new SuperClass; constructor.prototype.constructor = constructor; constructor.prototype.parent = SuperClass.prototype; constructor.prototype = $.extend(constructor.prototype, methods); return constructor; } AbstractSelect2 = clazz(Object, { // abstract bind: function (func) { var self = this; return function () { func.apply(self, arguments); }; }, // abstract init: function (opts) { var results, search, resultsSelector = ".select2-results"; // prepare options this.opts = opts = this.prepareOpts(opts); this.id=opts.id; // destroy if called on an existing component if (opts.element.data("select2") !== undefined && opts.element.data("select2") !== null) { this.destroy(); } this.enabled=true; this.container = this.createContainer(); this.body = $("body"); // cache for future access if (opts.element.attr("class") !== undefined) { this.container.addClass(opts.element.attr("class")); } this.container.css(evaluate(opts.containerCss)); this.container.addClass(evaluate(opts.containerCssClass)); // swap container for the element this.opts.element .data("select2", this) .hide() .after(this.container); this.container.data("select2", this); this.dropdown = this.container.find(".select2-drop"); this.dropdown.css(evaluate(opts.dropdownCss)); this.dropdown.addClass(evaluate(opts.dropdownCssClass)); this.dropdown.data("select2", this); this.results = results = this.container.find(resultsSelector); this.search = search = this.container.find("input.select2-input"); this.resultsPage = 0; this.context = null; // initialize the container this.initContainer(); installFilteredMouseMove(this.results); this.dropdown.delegate(resultsSelector, "mousemove-filtered", this.bind(this.highlightUnderEvent)); installDebouncedScroll(80, this.results); this.dropdown.delegate(resultsSelector, "scroll-debounced", this.bind(this.loadMoreIfNeeded)); // if jquery.mousewheel plugin is installed we can prevent out-of-bounds scrolling of results via mousewheel if ($.fn.mousewheel) { results.mousewheel(function (e, delta, deltaX, deltaY) { var top = results.scrollTop(), height; if (deltaY > 0 && top - deltaY <= 0) { results.scrollTop(0); killEvent(e); } else if (deltaY < 0 && results.get(0).scrollHeight - results.scrollTop() + deltaY <= results.height()) { results.scrollTop(results.get(0).scrollHeight - results.height()); killEvent(e); } }); } installKeyUpChangeEvent(search); search.bind("keyup-change", this.bind(this.updateResults)); search.bind("focus", function () { search.addClass("select2-focused"); if (search.val() === " ") search.val(""); }); search.bind("blur", function () { search.removeClass("select2-focused");}); this.dropdown.delegate(resultsSelector, "click", this.bind(function (e) { if ($(e.target).closest(".select2-result-selectable:not(.select2-disabled)").length > 0) { this.highlightUnderEvent(e); this.selectHighlighted(e); } else { this.focusSearch(); } killEvent(e); })); // trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening // for mouse events outside of itself so it can close itself. since the dropdown is now outside the select2's // dom it will trigger the popup close, which is not what we want this.dropdown.bind("click mouseup mousedown", function (e) { e.stopPropagation(); }); if ($.isFunction(this.opts.initSelection)) { // initialize selection based on the current value of the source element this.initSelection(); // if the user has provided a function that can set selection based on the value of the source element // we monitor the change event on the element and trigger it, allowing for two way synchronization this.monitorSource(); } if (opts.element.is(":disabled")) this.disable(); }, // abstract destroy: function () { var select2 = this.opts.element.data("select2"); if (select2 !== undefined) { select2.container.remove(); select2.dropdown.remove(); select2.opts.element .removeData("select2") .unbind(".select2") .show(); } }, // abstract prepareOpts: function (opts) { var element, select, idKey; element = opts.element; if (element.get(0).tagName.toLowerCase() === "select") { this.select = select = opts.element; } //Custom tags separator. opts.tagSeparator = opts.tagSeparator || ","; if (select) { // these options are not allowed when attached to a select because they are picked up off the element itself $.each(["id", "multiple", "ajax", "query", "createSearchChoice", "initSelection", "data", "tags"], function () { if (this in opts) { throw new Error("Option '" + this + "' is not allowed for Select2 when attached to a " , " " , " " , ""].join("")); }, // single opening: function () { this.parent.opening.apply(this, arguments); this.dropdown.removeClass("select2-offscreen"); }, // single close: function () { if (!this.opened()) return; this.parent.close.apply(this, arguments); this.dropdown.removeAttr("style").addClass("select2-offscreen").insertAfter(this.selection).show(); }, // single focus: function () { this.close(); this.search.focus(); }, // single isFocused: function () { return this.selection[0] === document.activeElement; }, // single cancel: function () { this.parent.cancel.apply(this, arguments); this.search.focus(); }, // single initContainer: function () { var selection, container = this.container, dropdown = this.dropdown, clickingInside = false; this.selection = selection = container.find(".select2-choice"); this.search.bind("keydown", this.bind(function (e) { if (!this.enabled) return; if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN || e.which === KEY.SPACE) { // prevent the page from scrolling killEvent(e); return; } if (this.opened()) { switch (e.which) { case KEY.UP: case KEY.DOWN: this.moveHighlight((e.which === KEY.UP) ? -1 : 1); killEvent(e); return; case KEY.TAB: case KEY.ENTER: this.selectHighlighted(); killEvent(e); return; case KEY.ESC: this.cancel(e); killEvent(e); return; } } else { if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) { return; } this.open(); if (e.which === KEY.ENTER) { // do not propagate the event otherwise we open, and propagate enter which closes killEvent(e); return; } } })); selection.bind("click", this.bind(function (e) { clickingInside = true; if (this.opened()) { this.close(); this.search.focus(); } else if (this.enabled) { this.open(); } killEvent(e); clickingInside = false; })); dropdown.bind("click", this.bind(function() { this.search.focus(); })); selection.delegate("abbr", "click", this.bind(function (e) { if (!this.enabled) return; this.clear(); killEvent(e); this.close(); this.triggerChange(); this.search.focus(); })); selection.bind("focus", this.bind(function() { this.search.focus(); })); this.setPlaceholder(); this.search.bind("focus", this.bind(function() { this.container.addClass("select2-container-active"); })); }, clear: function() { this.opts.element.val(""); this.selection.find("span").empty(); this.selection.removeData("select2-data"); this.setPlaceholder(); }, /** * Sets selection based on source element's value */ // single initSelection: function () { var selected; if (this.opts.element.val() === "") { this.updateSelection({id: "", text: ""}); this.close(); this.setPlaceholder(); } else { var self = this; this.opts.initSelection.call(null, this.opts.element, function(selected){ if (selected !== undefined && selected !== null) { self.updateSelection(selected); self.close(); self.setPlaceholder(); } }); } }, // single prepareOpts: function () { var opts = this.parent.prepareOpts.apply(this, arguments); if (opts.element.get(0).tagName.toLowerCase() === "select") { // install the selection initializer opts.initSelection = function (element, callback) { var selected = element.find(":selected"); // a single select box always has a value, no need to null check 'selected' if ($.isFunction(callback)) callback({id: selected.attr("value"), text: selected.text()}); }; } return opts; }, // single setPlaceholder: function () { var placeholder = this.getPlaceholder(); if (this.opts.element.val() === "" && placeholder !== undefined) { // check for a first blank option if attached to a select if (this.select && this.select.find("option:first").text() !== "") return; if (typeof(placeholder) === "object") { this.updateSelection(placeholder); } else { this.selection.find("span").html(placeholder); } this.selection.addClass("select2-default"); this.selection.find("abbr").hide(); } }, // single postprocessResults: function (data, initial) { var selected = 0, self = this, showSearchInput = true; // find the selected element in the result list this.results.find(".select2-result-selectable").each2(function (i, elm) { if (equal(self.id(elm.data("select2-data")), self.opts.element.val())) { selected = i; return false; } }); // and highlight it this.highlight(selected); // hide the search box if this is the first we got the results and there are a few of them if (initial === true) { // TODO below we use data.results.length, but what we really need is something recursive to calc the length // TODO in case there are optgroups showSearchInput = this.showSearchInput = data.results.length >= this.opts.minimumResultsForSearch; this.dropdown.find(".select2-search")[showSearchInput ? "removeClass" : "addClass"]("select2-search-hidden"); //add "select2-with-searchbox" to the container if search box is shown $(this.dropdown, this.container)[showSearchInput ? "addClass" : "removeClass"]("select2-with-searchbox"); } }, // single onSelect: function (data) { var old = this.opts.element.val(); this.opts.element.val(this.id(data)); this.updateSelection(data); this.close(); this.search.focus(); if (!equal(old, this.id(data))) { this.triggerChange(); } }, // single updateSelection: function (data) { var container=this.selection.find("span"), formatted; this.selection.data("select2-data", data); container.empty(); formatted=this.opts.formatSelection(data, container); if (formatted !== undefined) { container.append(formatted); } this.selection.removeClass("select2-default"); if (this.opts.allowClear && this.getPlaceholder() !== undefined) { this.selection.find("abbr").show(); } }, // single val: function () { var val, data = null; if (arguments.length === 0) { return this.opts.element.val(); } val = arguments[0]; if (this.select) { // val is an id this.select .val(val) .find(":selected").each2(function (i, elm) { data = {id: elm.attr("value"), text: elm.text()}; return false; }); this.updateSelection(data); } else { // val is an object. !val is true for [undefined,null,''] this.opts.element.val(!val ? "" : this.id(val)); this.updateSelection(val); } this.setPlaceholder(); }, // single clearSearch: function () { this.search.val(""); }, // single data: function(value) { if (arguments.length === 0) { return this.selection.data("select2-data"); } else { if (!value || value === "") { this.clear(); } else { this.opts.element.val(!value ? "" : this.id(value)); this.updateSelection(value); } } } }); MultiSelect2 = clazz(AbstractSelect2, { // multi createContainer: function () { return $("
", { "class": "select2-container select2-container-multi", "style": "width: " + this.getContainerWidth() }).html([ " " , ""].join("")); }, // multi prepareOpts: function () { var opts = this.parent.prepareOpts.apply(this, arguments); opts = $.extend({}, { closeOnSelect: true }, opts); // TODO validate placeholder is a string if specified if (opts.element.get(0).tagName.toLowerCase() === "select") { // install sthe selection initializer opts.initSelection = function (element,callback) { var data = []; element.find(":selected").each2(function (i, elm) { data.push({id: elm.attr("value"), text: elm.text()}); }); if ($.isFunction(callback)) callback(data); }; } return opts; }, // multi initContainer: function () { var selector = ".select2-choices", selection; this.searchContainer = this.container.find(".select2-search-field"); this.selection = selection = this.container.find(selector); this.search.bind("keydown", this.bind(function (e) { if (!this.enabled) return; if (e.which === KEY.BACKSPACE && this.search.val() === "") { this.close(); var choices, selected = selection.find(".select2-search-choice-focus"); if (selected.length > 0) { this.unselect(selected.first()); this.search.width(10); killEvent(e); return; } choices = selection.find(".select2-search-choice"); if (choices.length > 0) { choices.last().addClass("select2-search-choice-focus"); } } else { selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus"); } if (this.opened()) { switch (e.which) { case KEY.UP: case KEY.DOWN: this.moveHighlight((e.which === KEY.UP) ? -1 : 1); killEvent(e); return; case KEY.ENTER: case KEY.TAB: this.selectHighlighted(); killEvent(e); return; case KEY.ESC: this.cancel(e); killEvent(e); return; } } if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.BACKSPACE || e.which === KEY.ESC) { return; } this.open(); if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) { // prevent the page from scrolling killEvent(e); } })); this.search.bind("keyup", this.bind(this.resizeSearch)); this.container.delegate(selector, "click", this.bind(function (e) { if (!this.enabled) return; this.clearPlaceholder(); this.open(); this.focusSearch(); e.preventDefault(); })); this.container.delegate(selector, "focus", this.bind(function () { if (!this.enabled) return; this.container.addClass("select2-container-active"); this.dropdown.addClass("select2-drop-active"); this.clearPlaceholder(); })); // set the placeholder if necessary this.clearSearch(); }, // multi enable: function() { if (this.enabled) return; this.parent.enable.apply(this, arguments); this.search.show(); }, // multi disable: function() { if (!this.enabled) return; this.parent.disable.apply(this, arguments); this.search.hide(); }, // multi initSelection: function () { var data; if (this.opts.element.val() === "") { this.updateSelection([]); this.close(); // set the placeholder if necessary this.clearSearch(); } if (this.select || this.opts.element.val() !== "") { var self = this; this.opts.initSelection.call(null, this.opts.element, function(data){ if (data !== undefined && data !== null) { self.updateSelection(data); self.close(); // set the placeholder if necessary self.clearSearch(); } }); } }, // multi clearSearch: function () { var placeholder = this.getPlaceholder(); if (placeholder !== undefined && this.getVal().length === 0 && this.search.hasClass("select2-focused") === false) { this.search.val(placeholder).addClass("select2-default"); // stretch the search box to full width of the container so as much of the placeholder is visible as possible this.resizeSearch(); } else { // we set this to " " instead of "" and later clear it on focus() because there is a firefox bug // that does not properly render the caret when the field starts out blank this.search.val(" ").width(10); } }, // multi clearPlaceholder: function () { if (this.search.hasClass("select2-default")) { this.search.val("").removeClass("select2-default"); } else { // work around for the space character we set to avoid firefox caret bug if (this.search.val() === " ") this.search.val(""); } }, // multi opening: function () { this.parent.opening.apply(this, arguments); this.clearPlaceholder(); this.resizeSearch(); this.focusSearch(); }, // multi close: function () { if (!this.opened()) return; this.parent.close.apply(this, arguments); }, // multi focus: function () { this.close(); this.search.focus(); }, // multi isFocused: function () { return this.search.hasClass("select2-focused"); }, // multi updateSelection: function (data) { var ids = [], filtered = [], self = this; // filter out duplicates $(data).each(function () { if (indexOf(self.id(this), ids) < 0) { ids.push(self.id(this)); filtered.push(this); } }); data = filtered; this.selection.find(".select2-search-choice").remove(); $(data).each(function () { self.addSelectedChoice(this); }); self.postprocessResults(); }, // multi onSelect: function (data) { this.addSelectedChoice(data); if (this.select) { this.postprocessResults(); } if (this.opts.closeOnSelect) { this.close(); this.search.width(10); } else { this.search.width(10); this.resizeSearch(); } // since its not possible to select an element that has already been // added we do not need to check if this is a new element before firing change this.triggerChange({ added: data }); this.focusSearch(); }, // multi cancel: function () { this.close(); this.focusSearch(); }, // multi addSelectedChoice: function (data) { var choice=$("
  • "), id = this.id(data), val = this.getVal(), formatted; choice.find('.select2-tmp').replaceWith(this.opts.formatSelection(data)); formatted=this.opts.formatSelection(data, choice); if (formatted !== undefined) { choice.append(formatted); } choice.append(""); choice.find(".select2-search-choice-close") .bind("click dblclick", this.bind(function (e) { if (!this.enabled) return; this.unselect($(e.target)); this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus"); killEvent(e); this.close(); this.focusSearch(); })).bind("focus", this.bind(function () { if (!this.enabled) return; this.container.addClass("select2-container-active"); this.dropdown.addClass("select2-drop-active"); })); choice.data("select2-data", data); choice.insertBefore(this.searchContainer); val.push(id); this.setVal(val); }, // multi unselect: function (selected) { var val = this.getVal(), data, index; selected = selected.closest(".select2-search-choice"); if (selected.length === 0) { throw "Invalid argument: " + selected + ". Must be .select2-search-choice"; } data = selected.data("select2-data"); index = indexOf(this.id(data), val); if (index >= 0) { val.splice(index, 1); this.setVal(val); if (this.select) this.postprocessResults(); } selected.remove(); this.triggerChange({ removed: data }); }, // multi postprocessResults: function () { var val = this.getVal(), choices = this.results.find(".select2-result-selectable"), self = this; choices.each2(function (i, choice) { var id = self.id(choice.data("select2-data")); if (indexOf(id, val) >= 0) { choice.addClass("select2-disabled"); } else { choice.removeClass("select2-disabled"); } }); choices.each2(function (i, choice) { if (!choice.hasClass("select2-disabled")) { self.highlight(i); return false; } }); }, // multi resizeSearch: function () { var minimumWidth, left, maxWidth, containerLeft, searchWidth, sideBorderPadding = getSideBorderPadding(this.search); minimumWidth = measureTextWidth(this.search) + 10; left = this.search.offset().left; maxWidth = this.selection.width(); containerLeft = this.selection.offset().left; searchWidth = maxWidth - (left - containerLeft) - sideBorderPadding; if (searchWidth < minimumWidth) { searchWidth = maxWidth - sideBorderPadding; } if (searchWidth < 40) { searchWidth = maxWidth - sideBorderPadding; } this.search.width(searchWidth); }, // multi getVal: function () { var val; if (this.select) { val = this.select.val(); return val === null ? [] : val; } else { val = this.opts.element.val(); return splitVal(val, this.opts.tagSeparator); } }, // multi setVal: function (val) { var unique; if (this.select) { this.select.val(val); } else { unique = []; // filter out duplicates $(val).each(function () { if (indexOf(this, unique) < 0) unique.push(this); }); this.opts.element.val(unique.length === 0 ? "" : unique.join(",")); } }, // multi val: function () { var val, data = [], self=this; if (arguments.length === 0) { return this.getVal(); } val = arguments[0]; if (this.select) { // val is a list of ids this.setVal(val); this.select.find(":selected").each(function () { data.push({id: $(this).attr("value"), text: $(this).text()}); }); this.updateSelection(data); } else { val = (val === null) ? [] : val; // val is a list of objects $(val).each(function () { data.push(self.id(this)); }); this.setVal(data); this.updateSelection(val); } this.clearSearch(); }, // multi onSortStart: function() { if (this.select) { throw new Error("Sorting of elements is not supported when attached to instead."); } // collapse search field into 0 width so its container can be collapsed as well this.search.width(0); // hide the container this.searchContainer.hide(); }, // multi onSortEnd:function() { var val=[], self=this; // show search and move it to the end of the list this.searchContainer.show(); // make sure the search container is the last item in the list this.searchContainer.appendTo(this.searchContainer.parent()); // since we collapsed the width in dragStarted, we resize it here this.resizeSearch(); // update selection this.selection.find(".select2-search-choice").each(function() { val.push(self.opts.id($(this).data("select2-data"))); }); this.setVal(val); this.triggerChange(); }, // multi data: function(values) { var self=this, ids; if (arguments.length === 0) { return this.selection .find(".select2-search-choice") .map(function() { return $(this).data("select2-data"); }) .get(); } else { ids = $.map(values, function(e) { return self.opts.id(e)}); this.setVal(ids); this.updateSelection(values); this.clearSearch(); } } }); $.fn.select2 = function () { var args = Array.prototype.slice.call(arguments, 0), opts, select2, value, multiple, allowedMethods = ["val", "destroy", "open", "close", "focus", "isFocused", "container", "onSortStart", "onSortEnd", "enable", "disable", "positionDropdown", "data"]; this.each(function () { if (args.length === 0 || typeof(args[0]) === "object") { opts = args.length === 0 ? {} : $.extend({}, args[0]); opts.element = $(this); if (opts.element.get(0).tagName.toLowerCase() === "select") { multiple = opts.element.attr("multiple"); } else { multiple = opts.multiple || false; if ("tags" in opts) {opts.multiple = multiple = true;} } select2 = multiple ? new MultiSelect2() : new SingleSelect2(); select2.init(opts); } else if (typeof(args[0]) === "string") { if (indexOf(args[0], allowedMethods) < 0) { throw "Unknown method: " + args[0]; } value = undefined; select2 = $(this).data("select2"); if (select2 === undefined) return; if (args[0] === "container") { value=select2.container; } else { value = select2[args[0]].apply(select2, args.slice(1)); } if (value !== undefined) {return false;} } else { throw "Invalid arguments to select2 plugin: " + args; } }); return (value === undefined) ? this : value; }; // exports window.Select2 = { query: { ajax: ajax, local: local, tags: tags }, util: { debounce: debounce, markMatch: markMatch }, "class": { "abstract": AbstractSelect2, "single": SingleSelect2, "multi": MultiSelect2 } }; }(jQuery));