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true; if (a === undefined || b === undefined) return false; if (a === null || b === null) return false; // Check whether 'a' or 'b' is a string (primitive or object). // The concatenation of an empty string (+'') converts its argument to a string's primitive. if (a.constructor === String) return a+'' === b+''; // a+'' - in case 'a' is a String object if (b.constructor === String) return b+'' === a+''; // b+'' - in case 'b' is a String object return false; } /** * Splits the string into an array of values, transforming each value. An empty array is returned for nulls or empty * strings * @param string * @param separator */ function splitVal(string, separator, transform) { 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] = transform(val[i]); return val; } function getSideBorderPadding(element) { return element.outerWidth(false) - element.width(); } function installKeyUpChangeEvent(element) { var key="keyup-change-value"; element.on("keydown", function () { if ($.data(element, key) === undefined) { $.data(element, key, element.val()); } }); element.on("keyup", function () { var val= $.data(element, key); if (val !== undefined && element.val() !== val) { $.removeData(element, key); element.trigger("keyup-change"); } }); } /** * 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.on("mousemove", function (e) { var lastpos = lastMousePosition; if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) { $(e.target).trigger("mousemove-filtered", e); } }); } /** * Debounces a function. 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$el.focus(); /* make sure el received focus so we do not error out when trying to manipulate the caret. sometimes modals or others listeners may steal it after its set */ var isVisible = (el.offsetWidth > 0 || el.offsetHeight > 0); if (isVisible && el === document.activeElement) { /* after the focus is set move the caret to the end, necessary when we val() just before setting focus */ if(el.setSelectionRange) { el.setSelectionRange(pos, pos); } else if (el.createTextRange) { range = el.createTextRange(); range.collapse(false); range.select(); } } }, 0); } function getCursorInfo(el) { el = $(el)[0]; var offset = 0; var length = 0; if ('selectionStart' in el) { offset = el.selectionStart; length = el.selectionEnd - offset; } else if ('selection' in document) { el.focus(); var sel = document.selection.createRange(); length = document.selection.createRange().text.length; sel.moveStart('character', -el.value.length); offset = sel.text.length - length; } return { offset: offset, length: length }; } function killEvent(event) { event.preventDefault(); event.stopPropagation(); } function killEventImmediately(event) { event.preventDefault(); event.stopImmediatePropagation(); } function measureTextWidth(e) { if (!sizer){ var style = e[0].currentStyle || window.getComputedStyle(e[0], null); sizer = $(document.createElement("div")).css({ position: "absolute", left: "-10000px", top: "-10000px", display: "none", fontSize: style.fontSize, fontFamily: style.fontFamily, fontStyle: style.fontStyle, fontWeight: style.fontWeight, letterSpacing: style.letterSpacing, textTransform: style.textTransform, whiteSpace: "nowrap" }); sizer.attr("class","select2-sizer"); $(document.body).append(sizer); } sizer.text(e.val()); return sizer.width(); } function syncCssClasses(dest, src, adapter) { var classes, replacements = [], adapted; classes = $.trim(dest.attr("class")); if (classes) { classes = '' + classes; // for IE which returns object $(classes.split(/\s+/)).each2(function() { if (this.indexOf("select2-") === 0) { replacements.push(this); } }); } classes = $.trim(src.attr("class")); if (classes) { classes = '' + classes; // for IE which returns object $(classes.split(/\s+/)).each2(function() { if (this.indexOf("select2-") !== 0) { adapted = adapter(this); if (adapted) { replacements.push(adapted); } } }); } dest.attr("class", replacements.join(" ")); } function markMatch(text, term, markup, escapeMarkup) { var match=stripDiacritics(text.toUpperCase()).indexOf(stripDiacritics(term.toUpperCase())), tl=term.length; if (match<0) { markup.push(escapeMarkup(text)); return; } markup.push(escapeMarkup(text.substring(0, match))); markup.push(""); markup.push(escapeMarkup(text.substring(match, match + tl))); markup.push(""); markup.push(escapeMarkup(text.substring(match + tl, text.length))); } function defaultEscapeMarkup(markup) { var replace_map = { '\\': '\', '&': '&', '<': '<', '>': '>', '"': '"', "'": ''', "/": '/' }; return String(markup).replace(/[&<>"'\/\\]/g, function (match) { return replace_map[match]; }); } /** * Produces an ajax-based query function * * @param options object containing configuration parameters * @param options.params parameter map for the transport ajax call, can contain such options as cache, jsonpCallback, etc. see $.ajax * @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 datatypes 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, query) 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 handler = null, quietMillis = options.quietMillis || 100, ajaxUrl = options.url, self = this; return function (query) { window.clearTimeout(timeout); timeout = window.setTimeout(function () { var data = options.data, // ajax data function url = ajaxUrl, // ajax url string or function transport = options.transport || $.fn.select2.ajaxDefaults.transport, // deprecated - to be removed in 4.0 - use params instead deprecated = { type: options.type || 'GET', // set type of request (GET or POST) cache: options.cache || false, jsonpCallback: options.jsonpCallback||undefined, dataType: options.dataType||"json" }, params = $.extend({}, $.fn.select2.ajaxDefaults.params, deprecated); data = data ? data.call(self, query.term, query.page, query.context) : null; url = (typeof url === 'function') ? url.call(self, query.term, query.page, query.context) : url; if (handler && typeof handler.abort === "function") { handler.abort(); } if (options.params) { if ($.isFunction(options.params)) { $.extend(params, options.params.call(self)); } else { $.extend(params, options.params); } } $.extend(params, { url: url, dataType: options.dataType, data: data, success: function (data) { // TODO - replace query.page with query so users have access to term, page, etc. // added query as third paramter to keep backwards compatibility var results = options.results(data, query.page, query); query.callback(results); }, error: function(jqXHR, textStatus, errorThrown){ var results = { hasError: true, jqXHR: jqXHR, textStatus: textStatus, errorThrown: errorThrown }; query.callback(results); } }); handler = transport.call(self, params); }, quietMillis); }; } /** * Produces a query function that works with a local array * * @param options object containing configuration parameters. The options parameter can either be an array or an * object. * * If the array form is used it is assumed that it contains objects with 'id' and 'text' keys. * * If the object form is used it is assumed that it contains 'data' and 'text' keys. The 'data' key should contain * an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text' * key can either be a String in which case it is expected that each element in the 'data' array has a key with the * value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract * the text. */ function local(options) { var data = options, // data elements dataText, tmp, text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search if ($.isArray(data)) { tmp = data; data = { results: tmp }; } if ($.isFunction(data) === false) { tmp = data; data = function() { return tmp; }; } var dataItem = data(); if (dataItem.text) { text = dataItem.text; // if text is not a function we assume it to be a key name if (!$.isFunction(text)) { dataText = dataItem.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]; }; } } return function (query) { var t = query.term, filtered = { results: [] }, process; if (t === "") { query.callback(data()); return; } process = function(datum, collection) { var group, attr; datum = datum[0]; if (datum.children) { group = {}; for (attr in datum) { if (datum.hasOwnProperty(attr)) group[attr]=datum[attr]; } group.children=[]; $(datum.children).each2(function(i, childDatum) { process(childDatum, group.children); }); if (group.children.length || query.matcher(t, text(group), datum)) { collection.push(group); } } else { if (query.matcher(t, text(datum), datum)) { collection.push(datum); } } }; $(data().results).each2(function(i, datum) { process(datum, filtered.results); }); query.callback(filtered); }; } // TODO javadoc function tags(data) { var isFunc = $.isFunction(data); return function (query) { var t = query.term, filtered = {results: []}; var result = isFunc ? data(query) : data; if ($.isArray(result)) { $(result).each(function () { var isObject = this.text !== undefined, text = isObject ? this.text : this; if (t === "" || query.matcher(t, text)) { filtered.results.push(isObject ? this : {id: this, text: this}); } }); query.callback(filtered); } }; } /** * Checks if the formatter function should be used. * * Throws an error if it is not a function. Returns true if it should be used, * false if no formatting should be performed. * * @param formatter */ function checkFormatter(formatter, formatterName) { if ($.isFunction(formatter)) return true; if (!formatter) return false; if (typeof(formatter) === 'string') return true; throw new Error(formatterName +" must be a string, function, or falsy value"); } /** * Returns a given value * If given a function, returns its output * * @param val string|function * @param context value of "this" to be passed to function * @returns {*} */ function evaluate(val, context) { if ($.isFunction(val)) { var args = Array.prototype.slice.call(arguments, 2); return val.apply(context, args); } return val; } function countResults(results) { var count = 0; $.each(results, function(i, item) { if (item.children) { count += countResults(item.children); } else { count++; } }); return count; } /** * Default tokenizer. This function uses breaks the input on substring match of any string from the * opts.tokenSeparators array and uses opts.createSearchChoice to create the choice object. Both of those * two options have to be defined in order for the tokenizer to work. * * @param input text user has typed so far or pasted into the search field * @param selection currently selected choices * @param selectCallback function(choice) callback tho add the choice to selection * @param opts select2's opts * @return undefined/null to leave the current input unchanged, or a string to change the input to the returned value */ function defaultTokenizer(input, selection, selectCallback, opts) { var original = input, // store the original so we can compare and know if we need to tell the search to update its text dupe = false, // check for whether a token we extracted represents a duplicate selected choice token, // token index, // position at which the separator was found i, l, // looping variables separator; // the matched separator if (!opts.createSearchChoice || !opts.tokenSeparators || opts.tokenSeparators.length < 1) return undefined; while (true) { index = -1; for (i = 0, l = opts.tokenSeparators.length; i < l; i++) { separator = opts.tokenSeparators[i]; index = input.indexOf(separator); if (index >= 0) break; } if (index < 0) break; // did not find any token separator in the input string, bail token = input.substring(0, index); input = input.substring(index + separator.length); if (token.length > 0) { token = opts.createSearchChoice.call(this, token, selection); if (token !== undefined && token !== null && opts.id(token) !== undefined && opts.id(token) !== null) { dupe = false; for (i = 0, l = selection.length; i < l; i++) { if (equal(opts.id(token), opts.id(selection[i]))) { dupe = true; break; } } if (!dupe) selectCallback(token); } } } if (original!==input) return input; } function cleanupJQueryElements() { var self = this; $.each(arguments, function (i, element) { self[element].remove(); self[element] = null; }); } /** * 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) { opts.element.data("select2").destroy(); } this.container = this.createContainer(); this.liveRegion = $('.select2-hidden-accessible'); if (this.liveRegion.length == 0) { this.liveRegion = $("", { role: "status", "aria-live": "polite" }) .addClass("select2-hidden-accessible") .appendTo(document.body); } this.containerId="s2id_"+(opts.element.attr("id") || "autogen"+nextUid()); this.containerEventName= this.containerId .replace(/([.])/g, '_') .replace(/([;&,\-\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1'); this.container.attr("id", this.containerId); this.container.attr("title", opts.element.attr("title")); this.body = $(document.body); syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass); this.container.attr("style", opts.element.attr("style")); this.container.css(evaluate(opts.containerCss, this.opts.element)); this.container.addClass(evaluate(opts.containerCssClass, this.opts.element)); this.elementTabIndex = this.opts.element.attr("tabindex"); // swap container for the element this.opts.element .data("select2", this) .attr("tabindex", "-1") .before(this.container) .on("click.select2", killEvent); // do not leak click events this.container.data("select2", this); this.dropdown = this.container.find(".select2-drop"); syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass); this.dropdown.addClass(evaluate(opts.dropdownCssClass, this.opts.element)); this.dropdown.data("select2", this); this.dropdown.on("click", killEvent); this.results = results = this.container.find(resultsSelector); this.search = search = this.container.find("input.select2-input"); this.queryCount = 0; this.resultsPage = 0; this.context = null; // initialize the container this.initContainer(); this.container.on("click", killEvent); installFilteredMouseMove(this.results); this.dropdown.on("mousemove-filtered", resultsSelector, this.bind(this.highlightUnderEvent)); this.dropdown.on("touchstart touchmove touchend", resultsSelector, this.bind(function (event) { this._touchEvent = true; this.highlightUnderEvent(event); })); this.dropdown.on("touchmove", resultsSelector, this.bind(this.touchMoved)); this.dropdown.on("touchstart touchend", resultsSelector, this.bind(this.clearTouchMoved)); // Waiting for a click event on touch devices to select option and hide dropdown // otherwise click will be triggered on an underlying element this.dropdown.on('click', this.bind(function (event) { if (this._touchEvent) { this._touchEvent = false; this.selectHighlighted(); } })); installDebouncedScroll(80, this.results); this.dropdown.on("scroll-debounced", resultsSelector, this.bind(this.loadMoreIfNeeded)); // do not propagate change event from the search field out of the component $(this.container).on("change", ".select2-input", function(e) {e.stopPropagation();}); $(this.dropdown).on("change", ".select2-input", function(e) {e.stopPropagation();}); // if jquery.mousewheel plugin is installed we can prevent out-of-bounds scrolling of results via mousewheel if ($.fn.mousewheel) { results.mousewheel(function (e, delta, deltaX, deltaY) { var top = results.scrollTop(); 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.on("keyup-change input paste", this.bind(this.updateResults)); search.on("focus", function () { search.addClass("select2-focused"); }); search.on("blur", function () { search.removeClass("select2-focused");}); this.dropdown.on("mouseup", resultsSelector, this.bind(function (e) { if ($(e.target).closest(".select2-result-selectable").length > 0) { this.highlightUnderEvent(e); this.selectHighlighted(e); } })); // trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening // for mouse events outside of itself so it can close itself. since the dropdown is now outside the select2's // dom it will trigger the popup close, which is not what we want // focusin can cause focus wars between modals and select2 since the dropdown is outside the modal. this.dropdown.on("click mouseup mousedown touchstart touchend focusin", function (e) { e.stopPropagation(); }); this.nextSearchTerm = undefined; if ($.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.maximumInputLength !== null) { this.search.attr("maxlength", opts.maximumInputLength); } var disabled = opts.element.prop("disabled"); if (disabled === undefined) disabled = false; this.enable(!disabled); var readonly = opts.element.prop("readonly"); if (readonly === undefined) readonly = false; this.readonly(readonly); // Calculate size of scrollbar scrollBarDimensions = scrollBarDimensions || measureScrollbar(); this.autofocus = opts.element.prop("autofocus"); opts.element.prop("autofocus", false); if (this.autofocus) this.focus(); this.search.attr("placeholder", opts.searchInputPlaceholder); }, // abstract destroy: function () { var element=this.opts.element, select2 = element.data("select2"), self = this; this.close(); if (element.length && element[0].detachEvent && self._sync) { element.each(function () { if (self._sync) { this.detachEvent("onpropertychange", self._sync); } }); } if (this.propertyObserver) { this.propertyObserver.disconnect(); this.propertyObserver = null; } this._sync = null; if (select2 !== undefined) { select2.container.remove(); select2.liveRegion.remove(); select2.dropdown.remove(); element .show() .removeData("select2") .off(".select2") .prop("autofocus", this.autofocus || false); if (this.elementTabIndex) { element.attr({tabindex: this.elementTabIndex}); } else { element.removeAttr("tabindex"); } element.show(); } cleanupJQueryElements.call(this, "container", "liveRegion", "dropdown", "results", "search" ); }, // abstract optionToData: function(element) { if (element.is("option")) { return { id:element.prop("value"), text:element.text(), element: element.get(), css: element.attr("class"), disabled: element.prop("disabled"), locked: equal(element.attr("locked"), "locked") || equal(element.data("locked"), true) }; } else if (element.is("optgroup")) { return { text:element.attr("label"), children:[], element: element.get(), css: element.attr("class") }; } }, // abstract prepareOpts: function (opts) { var element, select, idKey, ajaxUrl, self = this; element = opts.element; if (element.get(0).tagName.toLowerCase() === "select") { this.select = select = opts.element; } if (select) { // these options are not allowed when attached to a select because they are picked up off the element itself $.each(["id", "multiple", "ajax", "query", "createSearchChoice", "initSelection", "data", "tags"], function () { if (this in opts) { throw new Error("Option '" + this + "' is not allowed for Select2 when attached to a ", "
", "
", " ", " ", "
", "
    ", "
", "
"].join("")); return container; }, // single enableInterface: function() { if (this.parent.enableInterface.apply(this, arguments)) { this.focusser.prop("disabled", !this.isInterfaceEnabled()); } }, // single opening: function () { var el, range, len; if (this.opts.minimumResultsForSearch >= 0) { this.showSearch(true); } this.parent.opening.apply(this, arguments); if (this.showSearchInput !== false) { // IE appends focusser.val() at the end of field :/ so we manually insert it at the beginning using a range // all other browsers handle this just fine this.search.val(this.focusser.val()); } if (this.opts.shouldFocusInput(this)) { this.search.focus(); // move the cursor to the end after focussing, otherwise it will be at the beginning and // new text will appear *before* focusser.val() el = this.search.get(0); if (el.createTextRange) { range = el.createTextRange(); range.collapse(false); range.select(); } else if (el.setSelectionRange) { len = this.search.val().length; el.setSelectionRange(len, len); } } // initializes search's value with nextSearchTerm (if defined by user) // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter if(this.search.val() === "") { if(this.nextSearchTerm != undefined){ this.search.val(this.nextSearchTerm); this.search.select(); } } this.focusser.prop("disabled", true).val(""); this.updateResults(true); this.opts.element.trigger($.Event("select2-open")); }, // single close: function () { if (!this.opened()) return; this.parent.close.apply(this, arguments); this.focusser.prop("disabled", false); if (this.opts.shouldFocusInput(this)) { this.focusser.focus(); } }, // single focus: function () { if (this.opened()) { this.close(); } else { this.focusser.prop("disabled", false); if (this.opts.shouldFocusInput(this)) { this.focusser.focus(); } } }, // single isFocused: function () { return this.container.hasClass("select2-container-active"); }, // single cancel: function () { this.parent.cancel.apply(this, arguments); this.focusser.prop("disabled", false); if (this.opts.shouldFocusInput(this)) { this.focusser.focus(); } }, // single destroy: function() { $("label[for='" + this.focusser.attr('id') + "']") .attr('for', this.opts.element.attr("id")); this.parent.destroy.apply(this, arguments); cleanupJQueryElements.call(this, "selection", "focusser" ); }, // single initContainer: function () { var selection, container = this.container, dropdown = this.dropdown, idSuffix = nextUid(), elementLabel; if (this.opts.minimumResultsForSearch < 0) { this.showSearch(false); } else { this.showSearch(true); } this.selection = selection = container.find(".select2-choice"); this.focusser = container.find(".select2-focusser"); // add aria associations selection.find(".select2-chosen").attr("id", "select2-chosen-"+idSuffix); this.focusser.attr("aria-labelledby", "select2-chosen-"+idSuffix); this.results.attr("id", "select2-results-"+idSuffix); this.search.attr("aria-owns", "select2-results-"+idSuffix); // rewrite labels from original element to focusser this.focusser.attr("id", "s2id_autogen"+idSuffix); elementLabel = $("label[for='" + this.opts.element.attr("id") + "']"); this.opts.element.focus(this.bind(function () { this.focus(); })); this.focusser.prev() .text(elementLabel.text()) .attr('for', this.focusser.attr('id')); // Ensure the original element retains an accessible name var originalTitle = this.opts.element.attr("title"); this.opts.element.attr("title", (originalTitle || elementLabel.text())); this.focusser.attr("tabindex", this.elementTabIndex); // write label for search field using the label from the focusser element this.search.attr("id", this.focusser.attr('id') + '_search'); this.search.prev() .text($("label[for='" + this.focusser.attr('id') + "']").text()) .attr('for', this.search.attr('id')); this.search.on("keydown", this.bind(function (e) { if (!this.isInterfaceEnabled()) return; // filter 229 keyCodes (input method editor is processing key input) if (229 == e.keyCode) return; if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) { // prevent the page from scrolling killEvent(e); return; } switch (e.which) { case KEY.UP: case KEY.DOWN: this.moveHighlight((e.which === KEY.UP) ? -1 : 1); killEvent(e); return; case KEY.ENTER: this.selectHighlighted(); killEvent(e); return; case KEY.TAB: this.selectHighlighted({noFocus: true}); return; case KEY.ESC: this.cancel(e); killEvent(e); return; } })); this.search.on("blur", this.bind(function(e) { // a workaround for chrome to keep the search field focussed when the scroll bar is used to scroll the dropdown. // without this the search field loses focus which is annoying if (document.activeElement === this.body.get(0)) { window.setTimeout(this.bind(function() { if (this.opened()) { this.search.focus(); } }), 0); } })); this.focusser.on("keydown", this.bind(function (e) { if (!this.isInterfaceEnabled()) return; if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) { return; } if (this.opts.openOnEnter === false && e.which === KEY.ENTER) { killEvent(e); return; } if (e.which == KEY.DOWN || e.which == KEY.UP || (e.which == KEY.ENTER && this.opts.openOnEnter)) { if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) return; this.open(); killEvent(e); return; } if (e.which == KEY.DELETE || e.which == KEY.BACKSPACE) { if (this.opts.allowClear) { this.clear(); } killEvent(e); return; } })); installKeyUpChangeEvent(this.focusser); this.focusser.on("keyup-change input", this.bind(function(e) { if (this.opts.minimumResultsForSearch >= 0) { e.stopPropagation(); if (this.opened()) return; this.open(); } })); selection.on("mousedown touchstart", "abbr", this.bind(function (e) { if (!this.isInterfaceEnabled()) { return; } this.clear(); killEventImmediately(e); this.close(); if (this.selection) { this.selection.focus(); } })); selection.on("mousedown touchstart", this.bind(function (e) { // Prevent IE from generating a click event on the body reinsertElement(selection); if (!this.container.hasClass("select2-container-active")) { this.opts.element.trigger($.Event("select2-focus")); } if (this.opened()) { this.close(); } else if (this.isInterfaceEnabled()) { this.open(); } killEvent(e); })); dropdown.on("mousedown touchstart", this.bind(function() { if (this.opts.shouldFocusInput(this)) { this.search.focus(); } })); selection.on("focus", this.bind(function(e) { killEvent(e); })); this.focusser.on("focus", this.bind(function(){ if (!this.container.hasClass("select2-container-active")) { this.opts.element.trigger($.Event("select2-focus")); } this.container.addClass("select2-container-active"); })).on("blur", this.bind(function() { if (!this.opened()) { this.container.removeClass("select2-container-active"); this.opts.element.trigger($.Event("select2-blur")); } })); this.search.on("focus", this.bind(function(){ if (!this.container.hasClass("select2-container-active")) { this.opts.element.trigger($.Event("select2-focus")); } this.container.addClass("select2-container-active"); })); this.initContainerWidth(); this.opts.element.hide(); this.setPlaceholder(); }, // single clear: function(triggerChange) { var data=this.selection.data("select2-data"); if (data) { // guard against queued quick consecutive clicks var evt = $.Event("select2-clearing"); this.opts.element.trigger(evt); if (evt.isDefaultPrevented()) { return; } var placeholderOption = this.getPlaceholderOption(); this.opts.element.val(placeholderOption ? placeholderOption.val() : ""); this.selection.find(".select2-chosen").empty(); this.selection.removeData("select2-data"); this.setPlaceholder(); if (triggerChange !== false){ this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data }); this.triggerChange({removed:data}); } } }, /** * Sets selection based on source element's value */ // single initSelection: function () { var selected; if (this.isPlaceholderOptionSelected()) { this.updateSelection(null); 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(); self.nextSearchTerm = self.opts.nextSearchTerm(selected, self.search.val()); } }); } }, isPlaceholderOptionSelected: function() { var placeholderOption; if (this.getPlaceholder() === undefined) return false; // no placeholder specified so no option should be considered return ((placeholderOption = this.getPlaceholderOption()) !== undefined && placeholderOption.prop("selected")) || (this.opts.element.val() === "") || (this.opts.element.val() === undefined) || (this.opts.element.val() === null); }, // single prepareOpts: function () { var opts = this.parent.prepareOpts.apply(this, arguments), self=this; if (opts.element.get(0).tagName.toLowerCase() === "select") { // install the selection initializer opts.initSelection = function (element, callback) { var selected = element.find("option").filter(function() { return this.selected && !this.disabled }); // a single select box always has a value, no need to null check 'selected' callback(self.optionToData(selected)); }; } else if ("data" in opts) { // install default initSelection when applied to hidden input and data is local opts.initSelection = opts.initSelection || function (element, callback) { var id = element.val(); //search in data by id, storing the actual matching item var match = null; opts.query({ matcher: function(term, text, el){ var is_match = equal(id, opts.id(el)); if (is_match) { match = el; } return is_match; }, callback: !$.isFunction(callback) ? $.noop : function() { callback(match); } }); }; } return opts; }, // single getPlaceholder: function() { // if a placeholder is specified on a single select without a valid placeholder option ignore it if (this.select) { if (this.getPlaceholderOption() === undefined) { return undefined; } } return this.parent.getPlaceholder.apply(this, arguments); }, // single setPlaceholder: function () { var placeholder = this.getPlaceholder(); if (this.isPlaceholderOptionSelected() && placeholder !== undefined) { // check for a placeholder option if attached to a select if (this.select && this.getPlaceholderOption() === undefined) return; this.selection.find(".select2-chosen").html(this.opts.escapeMarkup(placeholder)); this.selection.addClass("select2-default"); this.container.removeClass("select2-allowclear"); } }, // single postprocessResults: function (data, initial, noHighlightUpdate) { var selected = 0, self = this, showSearchInput = true; // find the selected element in the result list this.findHighlightableChoices().each2(function (i, elm) { if (equal(self.id(elm.data("select2-data")), self.opts.element.val())) { selected = i; return false; } }); // and highlight it if (noHighlightUpdate !== false) { if (initial === true && selected >= 0) { this.highlight(selected); } else { this.highlight(0); } } // hide the search box if this is the first we got the results and there are enough of them for search if (initial === true) { var min = this.opts.minimumResultsForSearch; if (min >= 0) { this.showSearch(countResults(data.results) >= min); } } }, // single showSearch: function(showSearchInput) { if (this.showSearchInput === showSearchInput) return; this.showSearchInput = showSearchInput; this.dropdown.find(".select2-search").toggleClass("select2-search-hidden", !showSearchInput); this.dropdown.find(".select2-search").toggleClass("select2-offscreen", !showSearchInput); //add "select2-with-searchbox" to the container if search box is shown $(this.dropdown, this.container).toggleClass("select2-with-searchbox", showSearchInput); }, // single onSelect: function (data, options) { if (!this.triggerSelect(data)) { return; } var old = this.opts.element.val(), oldData = this.data(); this.opts.element.val(this.id(data)); this.updateSelection(data); this.opts.element.trigger({ type: "select2-selected", val: this.id(data), choice: data }); this.nextSearchTerm = this.opts.nextSearchTerm(data, this.search.val()); this.close(); if ((!options || !options.noFocus) && this.opts.shouldFocusInput(this)) { this.focusser.focus(); } if (!equal(old, this.id(data))) { this.triggerChange({ added: data, removed: oldData }); } }, // single updateSelection: function (data) { var container=this.selection.find(".select2-chosen"), formatted, cssClass; this.selection.data("select2-data", data); container.empty(); if (data !== null) { formatted=this.opts.formatSelection(data, container, this.opts.escapeMarkup); } if (formatted !== undefined) { container.append(formatted); } cssClass=this.opts.formatSelectionCssClass(data, container); if (cssClass !== undefined) { container.addClass(cssClass); } this.selection.removeClass("select2-default"); if (this.opts.allowClear && this.getPlaceholder() !== undefined) { this.container.addClass("select2-allowclear"); } }, // single val: function () { var val, triggerChange = false, data = null, self = this, oldData = this.data(); if (arguments.length === 0) { return this.opts.element.val(); } val = arguments[0]; if (arguments.length > 1) { triggerChange = arguments[1]; } if (this.select) { this.select .val(val) .find("option").filter(function() { return this.selected }).each2(function (i, elm) { data = self.optionToData(elm); return false; }); this.updateSelection(data); this.setPlaceholder(); if (triggerChange) { this.triggerChange({added: data, removed:oldData}); } } else { // val is an id. !val is true for [undefined,null,'',0] - 0 is legal if (!val && val !== 0) { this.clear(triggerChange); return; } if (this.opts.initSelection === undefined) { throw new Error("cannot call val() if initSelection() is not defined"); } this.opts.element.val(val); this.opts.initSelection(this.opts.element, function(data){ self.opts.element.val(!data ? "" : self.id(data)); self.updateSelection(data); self.setPlaceholder(); if (triggerChange) { self.triggerChange({added: data, removed:oldData}); } }); } }, // single clearSearch: function () { this.search.val(""); this.focusser.val(""); }, // single data: function(value) { var data, triggerChange = false; if (arguments.length === 0) { data = this.selection.data("select2-data"); if (data == undefined) data = null; return data; } else { if (arguments.length > 1) { triggerChange = arguments[1]; } if (!value) { this.clear(triggerChange); } else { data = this.data(); this.opts.element.val(!value ? "" : this.id(value)); this.updateSelection(value); if (triggerChange) { this.triggerChange({added: value, removed:data}); } } } } }); MultiSelect2 = clazz(AbstractSelect2, { // multi createContainer: function () { var container = $(document.createElement("div")).attr({ "class": "select2-container select2-container-multi" }).html([ "
    ", "
  • ", " ", " ", "
    • ", "
", "
", "
    ", "
", "
"].join("")); return container; }, // multi prepareOpts: function () { var opts = this.parent.prepareOpts.apply(this, arguments), self=this; // TODO validate placeholder is a string if specified if (opts.element.get(0).tagName.toLowerCase() === "select") { // install the selection initializer opts.initSelection = function (element, callback) { var data = []; element.find("option").filter(function() { return this.selected && !this.disabled }).each2(function (i, elm) { data.push(self.optionToData(elm)); }); callback(data); }; } else if ("data" in opts) { // install default initSelection when applied to hidden input and data is local opts.initSelection = opts.initSelection || function (element, callback) { var ids = splitVal(element.val(), opts.separator, opts.transformVal); //search in data by array of ids, storing matching items in a list var matches = []; opts.query({ matcher: function(term, text, el){ var is_match = $.grep(ids, function(id) { return equal(id, opts.id(el)); }).length; if (is_match) { matches.push(el); } return is_match; }, callback: !$.isFunction(callback) ? $.noop : function() { // reorder matches based on the order they appear in the ids array because right now // they are in the order in which they appear in data array var ordered = []; for (var i = 0; i < ids.length; i++) { var id = ids[i]; for (var j = 0; j < matches.length; j++) { var match = matches[j]; if (equal(id, opts.id(match))) { ordered.push(match); matches.splice(j, 1); break; } } } callback(ordered); } }); }; } return opts; }, // multi selectChoice: function (choice) { var selected = this.container.find(".select2-search-choice-focus"); if (selected.length && choice && choice[0] == selected[0]) { } else { if (selected.length) { this.opts.element.trigger("choice-deselected", selected); } selected.removeClass("select2-search-choice-focus"); if (choice && choice.length) { this.close(); choice.addClass("select2-search-choice-focus"); this.opts.element.trigger("choice-selected", choice); } } }, // multi destroy: function() { $("label[for='" + this.search.attr('id') + "']") .attr('for', this.opts.element.attr("id")); this.parent.destroy.apply(this, arguments); cleanupJQueryElements.call(this, "searchContainer", "selection" ); }, // multi initContainer: function () { var selector = ".select2-choices", selection; this.searchContainer = this.container.find(".select2-search-field"); this.selection = selection = this.container.find(selector); var _this = this; this.selection.on("click", ".select2-container:not(.select2-container-disabled) .select2-search-choice:not(.select2-locked)", function (e) { _this.search[0].focus(); _this.selectChoice($(this)); }); // rewrite labels from original element to focusser this.search.attr("id", "s2id_autogen"+nextUid()); this.search.prev() .text($("label[for='" + this.opts.element.attr("id") + "']").text()) .attr('for', this.search.attr('id')); this.opts.element.focus(this.bind(function () { this.focus(); })); this.search.on("input paste", this.bind(function() { if (this.search.attr('placeholder') && this.search.val().length == 0) return; if (!this.isInterfaceEnabled()) return; if (!this.opened()) { this.open(); } })); this.search.attr("tabindex", this.elementTabIndex); this.keydowns = 0; this.search.on("keydown", this.bind(function (e) { if (!this.isInterfaceEnabled()) return; ++this.keydowns; var selected = selection.find(".select2-search-choice-focus"); var prev = selected.prev(".select2-search-choice:not(.select2-locked)"); var next = selected.next(".select2-search-choice:not(.select2-locked)"); var pos = getCursorInfo(this.search); if (selected.length && (e.which == KEY.LEFT || e.which == KEY.RIGHT || e.which == KEY.BACKSPACE || e.which == KEY.DELETE || e.which == KEY.ENTER)) { var selectedChoice = selected; if (e.which == KEY.LEFT && prev.length) { selectedChoice = prev; } else if (e.which == KEY.RIGHT) { selectedChoice = next.length ? next : null; } else if (e.which === KEY.BACKSPACE) { if (this.unselect(selected.first())) { this.search.width(10); selectedChoice = prev.length ? prev : next; } } else if (e.which == KEY.DELETE) { if (this.unselect(selected.first())) { this.search.width(10); selectedChoice = next.length ? next : null; } } else if (e.which == KEY.ENTER) { selectedChoice = null; } this.selectChoice(selectedChoice); killEvent(e); if (!selectedChoice || !selectedChoice.length) { this.open(); } return; } else if (((e.which === KEY.BACKSPACE && this.keydowns == 1) || e.which == KEY.LEFT) && (pos.offset == 0 && !pos.length)) { this.selectChoice(selection.find(".select2-search-choice:not(.select2-locked)").last()); killEvent(e); return; } else { this.selectChoice(null); } 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: this.selectHighlighted(); killEvent(e); return; case KEY.TAB: this.selectHighlighted({noFocus:true}); this.close(); 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; } if (e.which === KEY.ENTER) { if (this.opts.openOnEnter === false) { return; } else if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) { return; } } this.open(); if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) { // prevent the page from scrolling killEvent(e); } if (e.which === KEY.ENTER) { // prevent form from being submitted killEvent(e); } })); this.search.on("keyup", this.bind(function (e) { this.keydowns = 0; this.resizeSearch(); }) ); this.search.on("blur", this.bind(function(e) { this.container.removeClass("select2-container-active"); this.search.removeClass("select2-focused"); this.selectChoice(null); if (!this.opened()) this.clearSearch(); e.stopImmediatePropagation(); this.opts.element.trigger($.Event("select2-blur")); })); this.container.on("click", selector, this.bind(function (e) { if (!this.isInterfaceEnabled()) return; if ($(e.target).closest(".select2-search-choice").length > 0) { // clicked inside a select2 search choice, do not open return; } this.selectChoice(null); this.clearPlaceholder(); if (!this.container.hasClass("select2-container-active")) { this.opts.element.trigger($.Event("select2-focus")); } this.open(); this.focusSearch(); e.preventDefault(); })); this.container.on("focus", selector, this.bind(function () { if (!this.isInterfaceEnabled()) return; if (!this.container.hasClass("select2-container-active")) { this.opts.element.trigger($.Event("select2-focus")); } this.container.addClass("select2-container-active"); this.dropdown.addClass("select2-drop-active"); this.clearPlaceholder(); })); this.initContainerWidth(); this.opts.element.hide(); // set the placeholder if necessary this.clearSearch(); }, // multi enableInterface: function() { if (this.parent.enableInterface.apply(this, arguments)) { this.search.prop("disabled", !this.isInterfaceEnabled()); } }, // multi initSelection: function () { var data; if (this.opts.element.val() === "" && this.opts.element.text() === "") { 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(), maxWidth = this.getMaxSearchWidth(); 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 // we could call this.resizeSearch(), but we do not because that requires a sizer and we do not want to create one so early because of a firefox bug, see #944 this.search.width(maxWidth > 0 ? maxWidth : this.container.css("width")); } else { this.search.val("").width(10); } }, // multi clearPlaceholder: function () { if (this.search.hasClass("select2-default")) { this.search.val("").removeClass("select2-default"); } }, // multi opening: function () { this.clearPlaceholder(); // should be done before super so placeholder is not used to search this.resizeSearch(); this.parent.opening.apply(this, arguments); this.focusSearch(); // initializes search's value with nextSearchTerm (if defined by user) // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter if(this.search.val() === "") { if(this.nextSearchTerm != undefined){ this.search.val(this.nextSearchTerm); this.search.select(); } } this.updateResults(true); if (this.opts.shouldFocusInput(this)) { this.search.focus(); } this.opts.element.trigger($.Event("select2-open")); }, // 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 tokenize: function() { var input = this.search.val(); input = this.opts.tokenizer.call(this, input, this.data(), this.bind(this.onSelect), this.opts); if (input != null && input != undefined) { this.search.val(input); if (input.length > 0) { this.open(); } } }, // multi onSelect: function (data, options) { if (!this.triggerSelect(data) || data.text === "") { return; } this.addSelectedChoice(data); this.opts.element.trigger({ type: "selected", val: this.id(data), choice: data }); // keep track of the search's value before it gets cleared this.nextSearchTerm = this.opts.nextSearchTerm(data, this.search.val()); this.clearSearch(); this.updateResults(); if (this.select || !this.opts.closeOnSelect) this.postprocessResults(data, false, this.opts.closeOnSelect===true); if (this.opts.closeOnSelect) { this.close(); this.search.width(10); } else { if (this.countSelectableResults()>0) { this.search.width(10); this.resizeSearch(); if (this.getMaximumSelectionSize() > 0 && this.val().length >= this.getMaximumSelectionSize()) { // if we reached max selection size repaint the results so choices // are replaced with the max selection reached message this.updateResults(true); } else { // initializes search's value with nextSearchTerm and update search result if(this.nextSearchTerm != undefined){ this.search.val(this.nextSearchTerm); this.updateResults(); this.search.select(); } } this.positionDropdown(); } else { // if nothing left to select close this.close(); this.search.width(10); } } // 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 }); if (!options || !options.noFocus) this.focusSearch(); }, // multi cancel: function () { this.close(); this.focusSearch(); }, addSelectedChoice: function (data) { var enableChoice = !data.locked, enabledItem = $( "
  • " + "
    " + " " + "
    • "), disabledItem = $( "
  • " + "
    " + "
    • "); var choice = enableChoice ? enabledItem : disabledItem, id = this.id(data), val = this.getVal(), formatted, cssClass; formatted=this.opts.formatSelection(data, choice.find("div"), this.opts.escapeMarkup); if (formatted != undefined) { choice.find("div").replaceWith($("
    ").html(formatted)); } cssClass=this.opts.formatSelectionCssClass(data, choice.find("div")); if (cssClass != undefined) { choice.addClass(cssClass); } if(enableChoice){ choice.find(".select2-search-choice-close") .on("mousedown", killEvent) .on("click dblclick", this.bind(function (e) { if (!this.isInterfaceEnabled()) return; this.unselect($(e.target)); this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus"); killEvent(e); this.close(); this.focusSearch(); })).on("focus", this.bind(function () { if (!this.isInterfaceEnabled()) 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"); if (!data) { // prevent a race condition when the 'x' is clicked really fast repeatedly the event can be queued // and invoked on an element already removed return; } var evt = $.Event("select2-removing"); evt.val = this.id(data); evt.choice = data; this.opts.element.trigger(evt); if (evt.isDefaultPrevented()) { return false; } while((index = indexOf(this.id(data), val)) >= 0) { val.splice(index, 1); this.setVal(val); if (this.select) this.postprocessResults(); } selected.remove(); this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data }); this.triggerChange({ removed: data }); return true; }, // multi postprocessResults: function (data, initial, noHighlightUpdate) { var val = this.getVal(), choices = this.results.find(".select2-result"), compound = this.results.find(".select2-result-with-children"), self = this; choices.each2(function (i, choice) { var id = self.id(choice.data("select2-data")); if (indexOf(id, val) >= 0) { choice.addClass("select2-selected"); // mark all children of the selected parent as selected choice.find(".select2-result-selectable").addClass("select2-selected"); } }); compound.each2(function(i, choice) { // hide an optgroup if it doesn't have any selectable children if (!choice.is('.select2-result-selectable') && choice.find(".select2-result-selectable:not(.select2-selected)").length === 0) { choice.addClass("select2-selected"); } }); if (this.highlight() == -1 && noHighlightUpdate !== false && this.opts.closeOnSelect === true){ self.highlight(0); } //If all results are chosen render formatNoMatches if(!this.opts.createSearchChoice && !choices.filter('.select2-result:not(.select2-selected)').length > 0){ if(!data || data && !data.more && this.results.find(".select2-no-results").length === 0) { if (checkFormatter(self.opts.formatNoMatches, "formatNoMatches")) { this.results.append("
  • " + evaluate(self.opts.formatNoMatches, self.opts.element, self.search.val()) + "
    • "); } } } }, // multi getMaxSearchWidth: function() { return this.selection.width() - getSideBorderPadding(this.search); }, // 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; } if (searchWidth <= 0) { searchWidth = minimumWidth; } this.search.width(Math.floor(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.separator, this.opts.transformVal); } }, // multi setVal: function (val) { var unique; if (this.select) { this.select.val(val); } else { unique = []; // filter out duplicates $(val).each(function () { if (indexOf(this, unique) < 0) unique.push(this); }); this.opts.element.val(unique.length === 0 ? "" : unique.join(this.opts.separator)); } }, // multi buildChangeDetails: function (old, current) { var current = current.slice(0), old = old.slice(0); // remove intersection from each array for (var i = 0; i < current.length; i++) { for (var j = 0; j < old.length; j++) { if (equal(this.opts.id(current[i]), this.opts.id(old[j]))) { current.splice(i, 1); if(i>0){ i--; } old.splice(j, 1); j--; } } } return {added: current, removed: old}; }, // multi val: function (val, triggerChange) { var oldData, self=this; if (arguments.length === 0) { return this.getVal(); } oldData=this.data(); if (!oldData.length) oldData=[]; // val is an id. !val is true for [undefined,null,'',0] - 0 is legal if (!val && val !== 0) { this.opts.element.val(""); this.updateSelection([]); this.clearSearch(); if (triggerChange) { this.triggerChange({added: this.data(), removed: oldData}); } return; } // val is a list of ids this.setVal(val); if (this.select) { this.opts.initSelection(this.select, this.bind(this.updateSelection)); if (triggerChange) { this.triggerChange(this.buildChangeDetails(oldData, this.data())); } } else { if (this.opts.initSelection === undefined) { throw new Error("val() cannot be called if initSelection() is not defined"); } this.opts.initSelection(this.opts.element, function(data){ var ids=$.map(data, self.id); self.setVal(ids); self.updateSelection(data); self.clearSearch(); if (triggerChange) { self.triggerChange(self.buildChangeDetails(oldData, self.data())); } }); } 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, triggerChange) { var self=this, ids, old; if (arguments.length === 0) { return this.selection .children(".select2-search-choice") .map(function() { return $(this).data("select2-data"); }) .get(); } else { old = this.data(); if (!values) { values = []; } ids = $.map(values, function(e) { return self.opts.id(e); }); this.setVal(ids); this.updateSelection(values); this.clearSearch(); if (triggerChange) { this.triggerChange(this.buildChangeDetails(old, this.data())); } } } }); $.fn.select2 = function () { var args = Array.prototype.slice.call(arguments, 0), opts, select2, method, value, multiple, allowedMethods = ["val", "destroy", "opened", "open", "close", "focus", "isFocused", "container", "dropdown", "onSortStart", "onSortEnd", "enable", "disable", "readonly", "positionDropdown", "data", "search"], valueMethods = ["opened", "isFocused", "container", "dropdown"], propertyMethods = ["val", "data"], methodsMap = { search: "externalSearch" }; 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.prop("multiple"); } else { multiple = opts.multiple || false; if ("tags" in opts) {opts.multiple = multiple = true;} } select2 = multiple ? new window.Select2["class"].multi() : new window.Select2["class"].single(); 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; method=args[0]; if (method === "container") { value = select2.container; } else if (method === "dropdown") { value = select2.dropdown; } else { if (methodsMap[method]) method = methodsMap[method]; value = select2[method].apply(select2, args.slice(1)); } if (indexOf(args[0], valueMethods) >= 0 || (indexOf(args[0], propertyMethods) >= 0 && args.length == 1)) { return false; // abort the iteration, ready to return first matched value } } else { throw "Invalid arguments to select2 plugin: " + args; } }); return (value === undefined) ? this : value; }; // plugin defaults, accessible to users $.fn.select2.defaults = { width: "copy", loadMorePadding: 0, closeOnSelect: true, openOnEnter: true, containerCss: {}, dropdownCss: {}, containerCssClass: "", dropdownCssClass: "", formatResult: function(result, container, query, escapeMarkup) { var markup=[]; markMatch(this.text(result), query.term, markup, escapeMarkup); return markup.join(""); }, transformVal: function(val) { return $.trim(val); }, formatSelection: function (data, container, escapeMarkup) { return data ? escapeMarkup(this.text(data)) : undefined; }, sortResults: function (results, container, query) { return results; }, formatResultCssClass: function(data) {return data.css;}, formatSelectionCssClass: function(data, container) {return undefined;}, minimumResultsForSearch: 0, minimumInputLength: 0, maximumInputLength: null, maximumSelectionSize: 0, id: function (e) { return e == undefined ? null : e.id; }, text: function (e) { if (e && this.data && this.data.text) { if ($.isFunction(this.data.text)) { return this.data.text(e); } else { return e[this.data.text]; } } else { return e.text; } }, matcher: function(term, text) { return stripDiacritics(''+text).toUpperCase().indexOf(stripDiacritics(''+term).toUpperCase()) >= 0; }, separator: ",", tokenSeparators: [], tokenizer: defaultTokenizer, escapeMarkup: defaultEscapeMarkup, blurOnChange: false, selectOnBlur: false, adaptContainerCssClass: function(c) { return c; }, adaptDropdownCssClass: function(c) { return null; }, nextSearchTerm: function(selectedObject, currentSearchTerm) { return undefined; }, searchInputPlaceholder: '', createSearchChoicePosition: 'top', shouldFocusInput: function (instance) { // Attempt to detect touch devices var supportsTouchEvents = (('ontouchstart' in window) || (navigator.msMaxTouchPoints > 0)); // Only devices which support touch events should be special cased if (!supportsTouchEvents) { return true; } // Never focus the input if search is disabled if (instance.opts.minimumResultsForSearch < 0) { return false; } return true; } }; $.fn.select2.locales = []; $.fn.select2.locales['en'] = { formatMatches: function (matches) { if (matches === 1) { return "One result is available, press enter to select it."; } return matches + " results are available, use up and down arrow keys to navigate."; }, formatNoMatches: function () { return "No matches found"; }, formatAjaxError: function (jqXHR, textStatus, errorThrown) { return "Loading failed"; }, formatInputTooShort: function (input, min) { var n = min - input.length; return "Please enter " + n + " or more character" + (n == 1 ? "" : "s"); }, formatInputTooLong: function (input, max) { var n = input.length - max; return "Please delete " + n + " character" + (n == 1 ? "" : "s"); }, formatSelectionTooBig: function (limit) { return "You can only select " + limit + " item" + (limit == 1 ? "" : "s"); }, formatLoadMore: function (pageNumber) { return "Loading more results…"; }, formatSearching: function () { return "Searching…"; } }; $.extend($.fn.select2.defaults, $.fn.select2.locales['en']); $.fn.select2.ajaxDefaults = { transport: $.ajax, params: { type: "GET", cache: false, dataType: "json" } }; // exports window.Select2 = { query: { ajax: ajax, local: local, tags: tags }, util: { debounce: debounce, markMatch: markMatch, escapeMarkup: defaultEscapeMarkup, stripDiacritics: stripDiacritics }, "class": { "abstract": AbstractSelect2, "single": SingleSelect2, "multi": MultiSelect2 } }; }(jQuery));