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Diffstat (limited to 'web/js/select2/select2.js')
| -rw-r--r-- | web/js/select2/select2.js | 3255 |
1 files changed, 0 insertions, 3255 deletions
diff --git a/web/js/select2/select2.js b/web/js/select2/select2.js deleted file mode 100644 index 3b5e8e280..000000000 --- a/web/js/select2/select2.js +++ /dev/null @@ -1,3255 +0,0 @@ -/* -Copyright 2012 Igor Vaynberg - -Version: 3.4.5 Timestamp: Mon Nov 4 08:22:42 PST 2013 - -This software is licensed under the Apache License, Version 2.0 (the "Apache License") or the GNU -General Public License version 2 (the "GPL License"). You may choose either license to govern your -use of this software only upon the condition that you accept all of the terms of either the Apache -License or the GPL License. - -You may obtain a copy of the Apache License and the GPL License at: - - http://www.apache.org/licenses/LICENSE-2.0 - http://www.gnu.org/licenses/gpl-2.0.html - -Unless required by applicable law or agreed to in writing, software distributed under the -Apache License or the GPL Licesnse is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR -CONDITIONS OF ANY KIND, either express or implied. See the Apache License and the GPL License for -the specific language governing permissions and limitations under the Apache License and the GPL License. -*/ -(function ($) { - if(typeof $.fn.each2 == "undefined") { - $.extend($.fn, { - /* - * 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, - lastMousePosition={x:0,y:0}, $document, scrollBarDimensions, - - 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 (e) { - var k = e.which; - switch (k) { - case KEY.SHIFT: - case KEY.CTRL: - case KEY.ALT: - return true; - } - - if (e.metaKey) return true; - - return false; - }, - isFunctionKey: function (k) { - k = k.which ? k.which : k; - return k >= 112 && k <= 123; - } - }, - MEASURE_SCROLLBAR_TEMPLATE = "<div class='select2-measure-scrollbar'></div>", - - DIACRITICS = 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- - $document = $(document); - - nextUid=(function() { var counter=1; return function() { return counter++; }; }()); - - - function stripDiacritics(str) { - var ret, i, l, c; - - if (!str || str.length < 1) return str; - - ret = ""; - for (i = 0, l = str.length; i < l; i++) { - c = str.charAt(i); - ret += DIACRITICS[c] || c; - } - return ret; - } - - function indexOf(value, array) { - var i = 0, l = array.length; - for (; i < l; i = i + 1) { - if (equal(value, array[i])) return i; - } - return -1; - } - - function measureScrollbar () { - var $template = $( MEASURE_SCROLLBAR_TEMPLATE ); - $template.appendTo('body'); - - var dim = { - width: $template.width() - $template[0].clientWidth, - height: $template.height() - $template[0].clientHeight - }; - $template.remove(); - - return dim; - } - - /** - * Compares equality of a and b - * @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; - // 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, 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] = $.trim(val[i]); - return val; - } - - function getSideBorderPadding(element) { - return element.outerWidth(false) - element.width(); - } - - function installKeyUpChangeEvent(element) { - var key="keyup-change-value"; - element.on("keydown", function () { - if ($.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"); - } - }); - } - - $document.on("mousemove", function (e) { - lastMousePosition.x = e.pageX; - lastMousePosition.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.on("mousemove", function (e) { - var lastpos = lastMousePosition; - if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) { - $(e.target).trigger("mousemove-filtered", e); - } - }); - } - - /** - * Debounces a function. Returns a function that calls the original fn function only if no invocations have been made - * within the last quietMillis milliseconds. - * - * @param quietMillis number of milliseconds to wait before invoking fn - * @param fn function to be debounced - * @param ctx object to be used as this reference within fn - * @return debounced version of fn - */ - function debounce(quietMillis, fn, ctx) { - ctx = ctx || undefined; - var timeout; - return function () { - var args = arguments; - window.clearTimeout(timeout); - timeout = window.setTimeout(function() { - fn.apply(ctx, args); - }, quietMillis); - }; - } - - /** - * A simple implementation of a thunk - * @param formula function used to lazily initialize the thunk - * @return {Function} - */ - function thunk(formula) { - var evaluated = false, - value; - return function() { - if (evaluated === false) { value = formula(); evaluated = true; } - return value; - }; - }; - - function installDebouncedScroll(threshold, element) { - var notify = debounce(threshold, function (e) { element.trigger("scroll-debounced", e);}); - element.on("scroll", function (e) { - if (indexOf(e.target, element.get()) >= 0) notify(e); - }); - } - - function focus($el) { - if ($el[0] === document.activeElement) return; - - /* set the focus in a 0 timeout - that way the focus is set after the processing - of the current event has finished - which seems like the only reliable way - to set focus */ - window.setTimeout(function() { - var el=$el[0], pos=$el.val().length, range; - - $el.focus(); - - /* make sure el received focus so we do not error out when trying to manipulate the caret. - sometimes modals or others listeners may steal it after its set */ - if ($el.is(":visible") && 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"); - $("body").append(sizer); - } - sizer.text(e.val()); - return sizer.width(); - } - - function syncCssClasses(dest, src, adapter) { - var classes, replacements = [], adapted; - - classes = dest.attr("class"); - if (classes) { - classes = '' + classes; // for IE which returns object - $(classes.split(" ")).each2(function() { - if (this.indexOf("select2-") === 0) { - replacements.push(this); - } - }); - } - classes = src.attr("class"); - if (classes) { - classes = '' + classes; // for IE which returns object - $(classes.split(" ")).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("<span class='select2-match'>"); - markup.push(escapeMarkup(text.substring(match, match + tl))); - markup.push("</span>"); - 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 paramters - * @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 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 - 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({}, $.fn.select2.ajaxDefaults.params, deprecated); - - data = data ? data.call(self, query.term, query.page, query.context) : null; - url = (typeof url === 'function') ? url.call(self, query.term, query.page, query.context) : url; - - if (handler) { handler.abort(); } - - if (options.params) { - if ($.isFunction(options.params)) { - $.extend(params, options.params.call(self)); - } else { - $.extend(params, options.params); - } - } - - $.extend(params, { - url: url, - dataType: options.dataType, - data: data, - success: function (data) { - // TODO - replace query.page with query so users have access to term, page, etc. - var results = options.results(data, query.page); - query.callback(results); - } - }); - handler = transport.call(self, params); - }, quietMillis); - }; - } - - /** - * Produces a query function that works with a local array - * - * @param options object containing configuration parameters. The options parameter can either be an array or an - * object. - * - * If the array form is used it is assumed that it contains objects with 'id' and 'text' keys. - * - * If the object form is used ti is assumed that it contains 'data' and 'text' keys. The 'data' key should contain - * an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text' - * key can either be a String in which case it is expected that each element in the 'data' array has a key with the - * value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract - * the text. - */ - function local(options) { - var data = options, // data elements - dataText, - tmp, - text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search - - if ($.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: []}; - $(isFunc ? data() : data).each(function () { - var isObject = this.text !== undefined, - text = isObject ? this.text : this; - if (t === "" || query.matcher(t, text)) { - filtered.results.push(isObject ? this : {id: this, text: this}); - } - }); - query.callback(filtered); - }; - } - - /** - * Checks if the formatter function should be used. - * - * Throws an error if it is not a function. Returns true if it should be used, - * false if no formatting should be performed. - * - * @param formatter - */ - function checkFormatter(formatter, formatterName) { - if ($.isFunction(formatter)) return true; - if (!formatter) return false; - throw new Error(formatterName +" must be a function or a falsy value"); - } - - function evaluate(val) { - return $.isFunction(val) ? val() : 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; - } - - /** - * 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 = $.extend(constructor.prototype, methods); - return constructor; - } - - AbstractSelect2 = clazz(Object, { - - // abstract - bind: function (func) { - var self = this; - return function () { - func.apply(self, arguments); - }; - }, - - // abstract - init: function (opts) { - var results, search, resultsSelector = ".select2-results"; - - // prepare options - this.opts = opts = this.prepareOpts(opts); - - this.id=opts.id; - - // destroy if called on an existing component - if (opts.element.data("select2") !== undefined && - opts.element.data("select2") !== null) { - opts.element.data("select2").destroy(); - } - - this.container = this.createContainer(); - - this.containerId="s2id_"+(opts.element.attr("id") || "autogen"+nextUid()); - this.containerSelector="#"+this.containerId.replace(/([;&,\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1'); - this.container.attr("id", this.containerId); - - // cache the body so future lookups are cheap - this.body = thunk(function() { return opts.element.closest("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.container.addClass(evaluate(opts.containerCssClass)); - - 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.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 touchstart touchmove touchend", resultsSelector, this.bind(this.highlightUnderEvent)); - - 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 ($(e.target).closest(".select2-result-selectable").length > 0) { - this.highlightUnderEvent(e); - this.selectHighlighted(e); - } - })); - - // trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening - // for mouse events outside of itself so it can close itself. since the dropdown is now outside the select2's - // dom it will trigger the popup close, which is not what we want - this.dropdown.on("click mouseup mousedown", function (e) { e.stopPropagation(); }); - - if ($.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.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.nextSearchTerm = undefined; - }, - - // abstract - destroy: function () { - var element=this.opts.element, select2 = element.data("select2"); - - this.close(); - - if (this.propertyObserver) { delete this.propertyObserver; this.propertyObserver = null; } - - if (select2 !== undefined) { - select2.container.remove(); - select2.dropdown.remove(); - element - .removeClass("select2-offscreen") - .removeData("select2") - .off(".select2") - .prop("autofocus", this.autofocus || false); - if (this.elementTabIndex) { - element.attr({tabindex: this.elementTabIndex}); - } else { - element.removeAttr("tabindex"); - } - element.show(); - } - }, - - // 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 <select> element."); - } - }); - } - - opts = $.extend({}, { - populateResults: function(container, results, query) { - var populate, id=this.opts.id; - - populate=function(results, container, depth) { - - var i, l, result, selectable, disabled, compound, node, label, innerContainer, formatted; - - results = opts.sortResults(results, container, query); - - for (i = 0, l = results.length; i < l; i = i + 1) { - - result=results[i]; - - disabled = (result.disabled === true); - selectable = (!disabled) && (id(result) !== undefined); - - compound=result.children && result.children.length > 0; - - node=$("<li></li>"); - node.addClass("select2-results-dept-"+depth); - node.addClass("select2-result"); - node.addClass(selectable ? "select2-result-selectable" : "select2-result-unselectable"); - if (disabled) { node.addClass("select2-disabled"); } - if (compound) { node.addClass("select2-result-with-children"); } - node.addClass(self.opts.formatResultCssClass(result)); - - label=$(document.createElement("div")); - label.addClass("select2-result-label"); - - formatted=opts.formatResult(result, label, query, self.opts.escapeMarkup); - if (formatted!==undefined) { - label.html(formatted); - } - - node.append(label); - - if (compound) { - - innerContainer=$("<ul></ul>"); - innerContainer.addClass("select2-result-sub"); - populate(result.children, innerContainer, depth+1); - node.append(innerContainer); - } - - node.data("select2-data", result); - container.append(node); - } - }; - - populate(results, container, 0); - } - }, $.fn.select2.defaults, opts); - - if (typeof(opts.id) !== "function") { - idKey = opts.id; - opts.id = function (e) { return e[idKey]; }; - } - - if ($.isArray(opts.element.data("select2Tags"))) { - if ("tags" in opts) { - throw "tags specified as both an attribute 'data-select2-tags' and in options of Select2 " + opts.element.attr("id"); - } - opts.tags=opts.element.data("select2Tags"); - } - - if (select) { - opts.query = this.bind(function (query) { - var data = { results: [], more: false }, - term = query.term, - children, placeholderOption, process; - - process=function(element, collection) { - var group; - if (element.is("option")) { - if (query.matcher(term, element.text(), element)) { - collection.push(self.optionToData(element)); - } - } else if (element.is("optgroup")) { - group=self.optionToData(element); - element.children().each2(function(i, elm) { process(elm, group.children); }); - if (group.children.length>0) { - collection.push(group); - } - } - }; - - children=element.children(); - - // ignore the placeholder option if there is one - if (this.getPlaceholder() !== undefined && children.length > 0) { - placeholderOption = this.getPlaceholderOption(); - if (placeholderOption) { - children=children.not(placeholderOption); - } - } - - children.each2(function(i, elm) { process(elm, data.results); }); - - query.callback(data); - }); - // this is needed because inside val() we construct choices from options and there id is hardcoded - opts.id=function(e) { return e.id; }; - opts.formatResultCssClass = function(data) { return data.css; }; - } else { - if (!("query" in opts)) { - - if ("ajax" in opts) { - ajaxUrl = opts.element.data("ajax-url"); - if (ajaxUrl && ajaxUrl.length > 0) { - opts.ajax.url = ajaxUrl; - } - opts.query = ajax.call(opts.element, opts.ajax); - } else if ("data" in opts) { - opts.query = local(opts.data); - } else if ("tags" in opts) { - opts.query = tags(opts.tags); - if (opts.createSearchChoice === undefined) { - opts.createSearchChoice = function (term) { return {id: $.trim(term), text: $.trim(term)}; }; - } - if (opts.initSelection === undefined) { - opts.initSelection = function (element, callback) { - var data = []; - $(splitVal(element.val(), opts.separator)).each(function () { - var obj = { id: this, text: this }, - tags = opts.tags; - if ($.isFunction(tags)) tags=tags(); - $(tags).each(function() { if (equal(this.id, obj.id)) { obj = this; return false; } }); - data.push(obj); - }); - - callback(data); - }; - } - } - } - } - if (typeof(opts.query) !== "function") { - throw "query function not defined for Select2 " + opts.element.attr("id"); - } - - return opts; - }, - - /** - * Monitor the original element for changes and update select2 accordingly - */ - // abstract - monitorSource: function () { - var el = this.opts.element, sync, observer; - - el.on("change.select2", this.bind(function (e) { - if (this.opts.element.data("select2-change-triggered") !== true) { - this.initSelection(); - } - })); - - sync = this.bind(function () { - - // sync enabled state - var disabled = el.prop("disabled"); - if (disabled === undefined) disabled = false; - this.enable(!disabled); - - var readonly = el.prop("readonly"); - if (readonly === undefined) readonly = false; - this.readonly(readonly); - - syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass); - this.container.addClass(evaluate(this.opts.containerCssClass)); - - syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass); - this.dropdown.addClass(evaluate(this.opts.dropdownCssClass)); - - }); - - // IE8-10 - el.on("propertychange.select2", sync); - - // hold onto a reference of the callback to work around a chromium bug - if (this.mutationCallback === undefined) { - this.mutationCallback = function (mutations) { - mutations.forEach(sync); - } - } - - // safari, chrome, firefox, IE11 - observer = window.MutationObserver || window.WebKitMutationObserver|| window.MozMutationObserver; - if (observer !== undefined) { - if (this.propertyObserver) { delete this.propertyObserver; this.propertyObserver = null; } - this.propertyObserver = new observer(this.mutationCallback); - this.propertyObserver.observe(el.get(0), { attributes:true, subtree:false }); - } - }, - - // abstract - triggerSelect: function(data) { - var evt = $.Event("select2-selecting", { val: this.id(data), object: data }); - this.opts.element.trigger(evt); - return !evt.isDefaultPrevented(); - }, - - /** - * Triggers the change event on the source element - */ - // abstract - triggerChange: function (details) { - - details = details || {}; - details= $.extend({}, details, { type: "change", val: this.val() }); - // prevents recursive triggering - this.opts.element.data("select2-change-triggered", true); - this.opts.element.trigger(details); - this.opts.element.data("select2-change-triggered", false); - - // some validation frameworks ignore the change event and listen instead to keyup, click for selects - // so here we trigger the click event manually - this.opts.element.click(); - - // ValidationEngine ignorea the change event and listens instead to blur - // so here we trigger the blur event manually if so desired - if (this.opts.blurOnChange) - this.opts.element.blur(); - }, - - //abstract - isInterfaceEnabled: function() - { - return this.enabledInterface === true; - }, - - // abstract - enableInterface: function() { - var enabled = this._enabled && !this._readonly, - disabled = !enabled; - - if (enabled === this.enabledInterface) return false; - - this.container.toggleClass("select2-container-disabled", disabled); - this.close(); - this.enabledInterface = enabled; - - return true; - }, - - // abstract - enable: function(enabled) { - if (enabled === undefined) enabled = true; - if (this._enabled === enabled) return; - this._enabled = enabled; - - this.opts.element.prop("disabled", !enabled); - this.enableInterface(); - }, - - // abstract - disable: function() { - this.enable(false); - }, - - // abstract - readonly: function(enabled) { - if (enabled === undefined) enabled = false; - if (this._readonly === enabled) return false; - this._readonly = enabled; - - this.opts.element.prop("readonly", enabled); - this.enableInterface(); - return true; - }, - - // abstract - opened: function () { - return this.container.hasClass("select2-dropdown-open"); - }, - - // abstract - positionDropdown: function() { - var $dropdown = this.dropdown, - offset = this.container.offset(), - height = this.container.outerHeight(false), - width = this.container.outerWidth(false), - dropHeight = $dropdown.outerHeight(false), - $window = $(window), - windowWidth = $window.width(), - windowHeight = $window.height(), - viewPortRight = $window.scrollLeft() + windowWidth, - viewportBottom = $window.scrollTop() + windowHeight, - dropTop = offset.top + height, - dropLeft = offset.left, - enoughRoomBelow = dropTop + dropHeight <= viewportBottom, - enoughRoomAbove = (offset.top - dropHeight) >= this.body().scrollTop(), - dropWidth = $dropdown.outerWidth(false), - enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight, - aboveNow = $dropdown.hasClass("select2-drop-above"), - bodyOffset, - above, - changeDirection, - css, - resultsListNode; - - // always prefer the current above/below alignment, unless there is not enough room - if (aboveNow) { - above = true; - if (!enoughRoomAbove && enoughRoomBelow) { - changeDirection = true; - above = false; - } - } else { - above = false; - if (!enoughRoomBelow && enoughRoomAbove) { - changeDirection = true; - above = true; - } - } - - //if we are changing direction we need to get positions when dropdown is hidden; - if (changeDirection) { - $dropdown.hide(); - offset = this.container.offset(); - height = this.container.outerHeight(false); - width = this.container.outerWidth(false); - dropHeight = $dropdown.outerHeight(false); - viewPortRight = $window.scrollLeft() + windowWidth; - viewportBottom = $window.scrollTop() + windowHeight; - dropTop = offset.top + height; - dropLeft = offset.left; - dropWidth = $dropdown.outerWidth(false); - enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight; - $dropdown.show(); - } - - if (this.opts.dropdownAutoWidth) { - resultsListNode = $('.select2-results', $dropdown)[0]; - $dropdown.addClass('select2-drop-auto-width'); - $dropdown.css('width', ''); - // Add scrollbar width to dropdown if vertical scrollbar is present - dropWidth = $dropdown.outerWidth(false) + (resultsListNode.scrollHeight === resultsListNode.clientHeight ? 0 : scrollBarDimensions.width); - dropWidth > width ? width = dropWidth : dropWidth = width; - enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight; - } - else { - this.container.removeClass('select2-drop-auto-width'); - } - - //console.log("below/ droptop:", dropTop, "dropHeight", dropHeight, "sum", (dropTop+dropHeight)+" viewport bottom", viewportBottom, "enough?", enoughRoomBelow); - //console.log("above/ offset.top", offset.top, "dropHeight", dropHeight, "top", (offset.top-dropHeight), "scrollTop", this.body().scrollTop(), "enough?", enoughRoomAbove); - - // fix positioning when body has an offset and is not position: static - if (this.body().css('position') !== 'static') { - bodyOffset = this.body().offset(); - dropTop -= bodyOffset.top; - dropLeft -= bodyOffset.left; - } - - if (!enoughRoomOnRight) { - dropLeft = offset.left + width - dropWidth; - } - - css = { - left: dropLeft, - width: width - }; - - if (above) { - css.bottom = windowHeight - offset.top; - css.top = 'auto'; - this.container.addClass("select2-drop-above"); - $dropdown.addClass("select2-drop-above"); - } - else { - css.top = dropTop; - css.bottom = 'auto'; - this.container.removeClass("select2-drop-above"); - $dropdown.removeClass("select2-drop-above"); - } - css = $.extend(css, evaluate(this.opts.dropdownCss)); - - $dropdown.css(css); - }, - - // abstract - shouldOpen: function() { - var event; - - if (this.opened()) return false; - - if (this._enabled === false || this._readonly === true) return false; - - event = $.Event("select2-opening"); - this.opts.element.trigger(event); - return !event.isDefaultPrevented(); - }, - - // abstract - clearDropdownAlignmentPreference: function() { - // clear the classes used to figure out the preference of where the dropdown should be opened - this.container.removeClass("select2-drop-above"); - this.dropdown.removeClass("select2-drop-above"); - }, - - /** - * Opens the dropdown - * - * @return {Boolean} whether or not dropdown was opened. This method will return false if, for example, - * the dropdown is already open, or if the 'open' event listener on the element called preventDefault(). - */ - // abstract - open: function () { - - if (!this.shouldOpen()) return false; - - this.opening(); - - return true; - }, - - /** - * Performs the opening of the dropdown - */ - // abstract - opening: function() { - var cid = this.containerId, - scroll = "scroll." + cid, - resize = "resize."+cid, - orient = "orientationchange."+cid, - mask; - - this.container.addClass("select2-dropdown-open").addClass("select2-container-active"); - - this.clearDropdownAlignmentPreference(); - - if(this.dropdown[0] !== this.body().children().last()[0]) { - this.dropdown.detach().appendTo(this.body()); - } - - // create the dropdown mask if doesnt already exist - mask = $("#select2-drop-mask"); - if (mask.length == 0) { - mask = $(document.createElement("div")); - mask.attr("id","select2-drop-mask").attr("class","select2-drop-mask"); - mask.hide(); - mask.appendTo(this.body()); - mask.on("mousedown touchstart click", function (e) { - var dropdown = $("#select2-drop"), self; - if (dropdown.length > 0) { - self=dropdown.data("select2"); - if (self.opts.selectOnBlur) { - self.selectHighlighted({noFocus: true}); - } - self.close({focus:true}); - e.preventDefault(); - e.stopPropagation(); - } - }); - } - - // ensure the mask is always right before the dropdown - if (this.dropdown.prev()[0] !== mask[0]) { - this.dropdown.before(mask); - } - - // move the global id to the correct dropdown - $("#select2-drop").removeAttr("id"); - this.dropdown.attr("id", "select2-drop"); - - // show the elements - mask.show(); - - this.positionDropdown(); - this.dropdown.show(); - this.positionDropdown(); - - this.dropdown.addClass("select2-drop-active"); - - // attach listeners to events that can change the position of the container and thus require - // the position of the dropdown to be updated as well so it does not come unglued from the container - var that = this; - this.container.parents().add(window).each(function () { - $(this).on(resize+" "+scroll+" "+orient, function (e) { - that.positionDropdown(); - }); - }); - - - }, - - // abstract - close: function () { - if (!this.opened()) return; - - var cid = this.containerId, - scroll = "scroll." + cid, - resize = "resize."+cid, - orient = "orientationchange."+cid; - - // unbind event listeners - this.container.parents().add(window).each(function () { $(this).off(scroll).off(resize).off(orient); }); - - this.clearDropdownAlignmentPreference(); - - $("#select2-drop-mask").hide(); - this.dropdown.removeAttr("id"); // only the active dropdown has the select2-drop id - this.dropdown.hide(); - this.container.removeClass("select2-dropdown-open").removeClass("select2-container-active"); - this.results.empty(); - - - this.clearSearch(); - this.search.removeClass("select2-active"); - this.opts.element.trigger($.Event("select2-close")); - }, - - /** - * Opens control, sets input value, and updates results. - */ - // abstract - externalSearch: function (term) { - this.open(); - this.search.val(term); - this.updateResults(false); - }, - - // abstract - clearSearch: function () { - - }, - - //abstract - getMaximumSelectionSize: function() { - return evaluate(this.opts.maximumSelectionSize); - }, - - // abstract - ensureHighlightVisible: function () { - var results = this.results, children, index, child, hb, rb, y, more; - - index = this.highlight(); - - if (index < 0) return; - - if (index == 0) { - - // if the first element is highlighted scroll all the way to the top, - // that way any unselectable headers above it will also be scrolled - // into view - - results.scrollTop(0); - return; - } - - children = this.findHighlightableChoices().find('.select2-result-label'); - - child = $(children[index]); - - hb = child.offset().top + child.outerHeight(true); - - // if this is the last child lets also make sure select2-more-results is visible - if (index === children.length - 1) { - more = results.find("li.select2-more-results"); - if (more.length > 0) { - hb = more.offset().top + more.outerHeight(true); - } - } - - rb = results.offset().top + results.outerHeight(true); - if (hb > rb) { - results.scrollTop(results.scrollTop() + (hb - rb)); - } - y = child.offset().top - results.offset().top; - - // make sure the top of the element is visible - if (y < 0 && child.css('display') != 'none' ) { - results.scrollTop(results.scrollTop() + y); // y is negative - } - }, - - // abstract - findHighlightableChoices: function() { - return this.results.find(".select2-result-selectable:not(.select2-disabled, .select2-selected)"); - }, - - // abstract - moveHighlight: function (delta) { - var choices = this.findHighlightableChoices(), - index = this.highlight(); - - while (index > -1 && index < choices.length) { - index += delta; - var choice = $(choices[index]); - if (choice.hasClass("select2-result-selectable") && !choice.hasClass("select2-disabled") && !choice.hasClass("select2-selected")) { - this.highlight(index); - break; - } - } - }, - - // abstract - highlight: function (index) { - var choices = this.findHighlightableChoices(), - choice, - data; - - if (arguments.length === 0) { - return indexOf(choices.filter(".select2-highlighted")[0], choices.get()); - } - - if (index >= choices.length) index = choices.length - 1; - if (index < 0) index = 0; - - this.removeHighlight(); - - choice = $(choices[index]); - choice.addClass("select2-highlighted"); - - this.ensureHighlightVisible(); - - data = choice.data("select2-data"); - if (data) { - this.opts.element.trigger({ type: "select2-highlight", val: this.id(data), choice: data }); - } - }, - - removeHighlight: function() { - this.results.find(".select2-highlighted").removeClass("select2-highlighted"); - }, - - // abstract - countSelectableResults: function() { - return this.findHighlightableChoices().length; - }, - - // abstract - highlightUnderEvent: function (event) { - var el = $(event.target).closest(".select2-result-selectable"); - if (el.length > 0 && !el.is(".select2-highlighted")) { - var choices = this.findHighlightableChoices(); - this.highlight(choices.index(el)); - } else if (el.length == 0) { - // if we are over an unselectable item remove all highlights - this.removeHighlight(); - } - }, - - // abstract - loadMoreIfNeeded: function () { - var results = this.results, - more = results.find("li.select2-more-results"), - below, // pixels the element is below the scroll fold, below==0 is when the element is starting to be visible - page = this.resultsPage + 1, - self=this, - term=this.search.val(), - context=this.context; - - if (more.length === 0) return; - below = more.offset().top - results.offset().top - results.height(); - - if (below <= this.opts.loadMorePadding) { - more.addClass("select2-active"); - this.opts.query({ - element: this.opts.element, - term: term, - page: page, - context: context, - matcher: this.opts.matcher, - callback: this.bind(function (data) { - - // ignore a response if the select2 has been closed before it was received - if (!self.opened()) return; - - - self.opts.populateResults.call(this, results, data.results, {term: term, page: page, context:context}); - self.postprocessResults(data, false, false); - - if (data.more===true) { - more.detach().appendTo(results).text(self.opts.formatLoadMore(page+1)); - window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10); - } else { - more.remove(); - } - self.positionDropdown(); - self.resultsPage = page; - self.context = data.context; - this.opts.element.trigger({ type: "select2-loaded", items: data }); - })}); - } - }, - - /** - * Default tokenizer function which does nothing - */ - tokenize: function() { - - }, - - /** - * @param initial whether or not this is the call to this method right after the dropdown has been opened - */ - // abstract - updateResults: function (initial) { - var search = this.search, - results = this.results, - opts = this.opts, - data, - self = this, - input, - term = search.val(), - lastTerm = $.data(this.container, "select2-last-term"), - // sequence number used to drop out-of-order responses - queryNumber; - - // prevent duplicate queries against the same term - if (initial !== true && lastTerm && equal(term, lastTerm)) return; - - $.data(this.container, "select2-last-term", term); - - // if the search is currently hidden we do not alter the results - if (initial !== true && (this.showSearchInput === false || !this.opened())) { - return; - } - - function postRender() { - search.removeClass("select2-active"); - self.positionDropdown(); - } - - function render(html) { - results.html(html); - postRender(); - } - - queryNumber = ++this.queryCount; - - var maxSelSize = this.getMaximumSelectionSize(); - if (maxSelSize >=1) { - data = this.data(); - if ($.isArray(data) && data.length >= maxSelSize && checkFormatter(opts.formatSelectionTooBig, "formatSelectionTooBig")) { - render("<li class='select2-selection-limit'>" + opts.formatSelectionTooBig(maxSelSize) + "</li>"); - return; - } - } - - if (search.val().length < opts.minimumInputLength) { - if (checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) { - render("<li class='select2-no-results'>" + opts.formatInputTooShort(search.val(), opts.minimumInputLength) + "</li>"); - } else { - render(""); - } - if (initial && this.showSearch) this.showSearch(true); - return; - } - - if (opts.maximumInputLength && search.val().length > opts.maximumInputLength) { - if (checkFormatter(opts.formatInputTooLong, "formatInputTooLong")) { - render("<li class='select2-no-results'>" + opts.formatInputTooLong(search.val(), opts.maximumInputLength) + "</li>"); - } else { - render(""); - } - return; - } - - if (opts.formatSearching && this.findHighlightableChoices().length === 0) { - render("<li class='select2-searching'>" + opts.formatSearching() + "</li>"); - } - - search.addClass("select2-active"); - - this.removeHighlight(); - - // give the tokenizer a chance to pre-process the input - input = this.tokenize(); - if (input != undefined && input != null) { - search.val(input); - } - - this.resultsPage = 1; - - opts.query({ - element: opts.element, - term: search.val(), - page: this.resultsPage, - context: null, - matcher: opts.matcher, - callback: this.bind(function (data) { - var def; // default choice - - // ignore old responses - if (queryNumber != this.queryCount) { - return; - } - - // ignore a response if the select2 has been closed before it was received - if (!this.opened()) { - this.search.removeClass("select2-active"); - return; - } - - // save context, if any - this.context = (data.context===undefined) ? null : data.context; - // create a default choice and prepend it to the list - if (this.opts.createSearchChoice && search.val() !== "") { - def = this.opts.createSearchChoice.call(self, search.val(), data.results); - if (def !== undefined && def !== null && self.id(def) !== undefined && self.id(def) !== null) { - if ($(data.results).filter( - function () { - return equal(self.id(this), self.id(def)); - }).length === 0) { - data.results.unshift(def); - } - } - } - - if (data.results.length === 0 && checkFormatter(opts.formatNoMatches, "formatNoMatches")) { - render("<li class='select2-no-results'>" + opts.formatNoMatches(search.val()) + "</li>"); - return; - } - - results.empty(); - self.opts.populateResults.call(this, results, data.results, {term: search.val(), page: this.resultsPage, context:null}); - - if (data.more === true && checkFormatter(opts.formatLoadMore, "formatLoadMore")) { - results.append("<li class='select2-more-results'>" + self.opts.escapeMarkup(opts.formatLoadMore(this.resultsPage)) + "</li>"); - window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10); - } - - this.postprocessResults(data, initial); - - postRender(); - - this.opts.element.trigger({ type: "select2-loaded", items: data }); - })}); - }, - - // abstract - cancel: function () { - this.close(); - }, - - // abstract - blur: function () { - // if selectOnBlur == true, select the currently highlighted option - if (this.opts.selectOnBlur) - this.selectHighlighted({noFocus: true}); - - this.close(); - this.container.removeClass("select2-container-active"); - // synonymous to .is(':focus'), which is available in jquery >= 1.6 - if (this.search[0] === document.activeElement) { this.search.blur(); } - this.clearSearch(); - this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus"); - }, - - // abstract - focusSearch: function () { - focus(this.search); - }, - - // abstract - selectHighlighted: function (options) { - var index=this.highlight(), - highlighted=this.results.find(".select2-highlighted"), - data = highlighted.closest('.select2-result').data("select2-data"); - - if (data) { - this.highlight(index); - this.onSelect(data, options); - } else if (options && options.noFocus) { - this.close(); - } - }, - - // abstract - getPlaceholder: function () { - var placeholderOption; - return this.opts.element.attr("placeholder") || - this.opts.element.attr("data-placeholder") || // jquery 1.4 compat - this.opts.element.data("placeholder") || - this.opts.placeholder || - ((placeholderOption = this.getPlaceholderOption()) !== undefined ? placeholderOption.text() : undefined); - }, - - // abstract - getPlaceholderOption: function() { - if (this.select) { - var firstOption = this.select.children('option').first(); - if (this.opts.placeholderOption !== undefined ) { - //Determine the placeholder option based on the specified placeholderOption setting - return (this.opts.placeholderOption === "first" && firstOption) || - (typeof this.opts.placeholderOption === "function" && this.opts.placeholderOption(this.select)); - } else if (firstOption.text() === "" && firstOption.val() === "") { - //No explicit placeholder option specified, use the first if it's blank - return firstOption; - } - } - }, - - /** - * Get the desired width for the container element. This is - * derived first from option `width` passed to select2, then - * the inline 'style' on the original element, and finally - * falls back to the jQuery calculated element width. - */ - // abstract - initContainerWidth: function () { - function resolveContainerWidth() { - var style, attrs, matches, i, l, attr; - - if (this.opts.width === "off") { - return null; - } else if (this.opts.width === "element"){ - return this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px'; - } else if (this.opts.width === "copy" || this.opts.width === "resolve") { - // check if there is inline style on the element that contains width - style = this.opts.element.attr('style'); - if (style !== undefined) { - attrs = style.split(';'); - for (i = 0, l = attrs.length; i < l; i = i + 1) { - attr = attrs[i].replace(/\s/g, ''); - matches = attr.match(/^width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/i); - if (matches !== null && matches.length >= 1) - return matches[1]; - } - } - - if (this.opts.width === "resolve") { - // next check if css('width') can resolve a width that is percent based, this is sometimes possible - // when attached to input type=hidden or elements hidden via css - style = this.opts.element.css('width'); - if (style.indexOf("%") > 0) return style; - - // finally, fallback on the calculated width of the element - return (this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px'); - } - - return null; - } else if ($.isFunction(this.opts.width)) { - return this.opts.width(); - } else { - return this.opts.width; - } - }; - - var width = resolveContainerWidth.call(this); - if (width !== null) { - this.container.css("width", width); - } - } - }); - - SingleSelect2 = clazz(AbstractSelect2, { - - // single - - createContainer: function () { - var container = $(document.createElement("div")).attr({ - "class": "select2-container" - }).html([ - "<a href='javascript:void(0)' onclick='return false;' class='select2-choice' tabindex='-1'>", - " <span class='select2-chosen'> </span><abbr class='select2-search-choice-close'></abbr>", - " <span class='select2-arrow'><b></b></span>", - "</a>", - "<input class='select2-focusser select2-offscreen' type='text'/>", - "<div class='select2-drop select2-display-none'>", - " <div class='select2-search'>", - " <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input'/>", - " </div>", - " <ul class='select2-results'>", - " </ul>", - "</div>"].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()); - } - 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 (params) { - if (!this.opened()) return; - this.parent.close.apply(this, arguments); - - params = params || {focus: true}; - this.focusser.removeAttr("disabled"); - - if (params.focus) { - this.focusser.focus(); - } - }, - - // single - focus: function () { - if (this.opened()) { - this.close(); - } else { - this.focusser.removeAttr("disabled"); - this.focusser.focus(); - } - }, - - // single - isFocused: function () { - return this.container.hasClass("select2-container-active"); - }, - - // single - cancel: function () { - this.parent.cancel.apply(this, arguments); - this.focusser.removeAttr("disabled"); - 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); - }, - - // single - initContainer: function () { - - var selection, - container = this.container, - dropdown = this.dropdown; - - 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"); - - // rewrite labels from original element to focusser - this.focusser.attr("id", "s2id_autogen"+nextUid()); - - $("label[for='" + this.opts.element.attr("id") + "']") - .attr('for', this.focusser.attr('id')); - - this.focusser.attr("tabindex", this.elementTabIndex); - - this.search.on("keydown", this.bind(function (e) { - if (!this.isInterfaceEnabled()) 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() { - 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", "abbr", this.bind(function (e) { - if (!this.isInterfaceEnabled()) return; - this.clear(); - killEventImmediately(e); - this.close(); - this.selection.focus(); - })); - - selection.on("mousedown", this.bind(function (e) { - - 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", this.bind(function() { 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.addClass("select2-offscreen"); - 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(); - } - }); - } - }, - - isPlaceholderOptionSelected: function() { - var placeholderOption; - if (!this.getPlaceholder()) 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 }); - // 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.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([ - "<ul class='select2-choices'>", - " <li class='select2-search-field'>", - " <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input'>", - " </li>", - "</ul>", - "<div class='select2-drop select2-drop-multi select2-display-none'>", - " <ul class='select2-results'>", - " </ul>", - "</div>"].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 sthe selection initializer - opts.initSelection = function (element, callback) { - - var data = []; - - element.find("option").filter(function() { return this.selected }).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); - //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() { - $("label[for='" + this.search.attr('id') + "']") - .attr('for', this.opts.element.attr("id")); - this.parent.destroy.apply(this, arguments); - }, - - // multi - initContainer: function () { - - var selector = ".select2-choices", selection; - - this.searchContainer = this.container.find(".select2-search-field"); - this.selection = selection = this.container.find(selector); - - var _this = this; - this.selection.on("click", ".select2-search-choice:not(.select2-locked)", function (e) { - //killEvent(e); - _this.search[0].focus(); - _this.selectChoice($(this)); - }); - - // rewrite labels from original element to focusser - this.search.attr("id", "s2id_autogen"+nextUid()); - $("label[for='" + this.opts.element.attr("id") + "']") - .attr('for', this.search.attr('id')); - - this.search.on("input paste", this.bind(function() { - 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) { - this.unselect(selected.first()); - this.search.width(10); - selectedChoice = prev.length ? prev : next; - } else if (e.which == KEY.DELETE) { - 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.addClass("select2-offscreen"); - - // 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(); - - this.updateResults(true); - 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)) { return; } - - this.addSelectedChoice(data); - - this.opts.element.trigger({ type: "selected", val: this.id(data), choice: data }); - - 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); - } - 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 = $( - "<li class='select2-search-choice'>" + - " <div></div>" + - " <a href='#' onclick='return false;' class='select2-search-choice-close' tabindex='-1'></a>" + - "</li>"), - disabledItem = $( - "<li class='select2-search-choice select2-locked'>" + - "<div></div>" + - "</li>"); - 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("<div>"+formatted+"</div>"); - } - 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; - - $(e.target).closest(".select2-search-choice").fadeOut('fast', this.bind(function(){ - this.unselect($(e.target)); - this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus"); - this.close(); - this.focusSearch(); - })).dequeue(); - killEvent(e); - })).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; - } - - while((index = indexOf(this.id(data), val)) >= 0) { - val.splice(index, 1); - this.setVal(val); - if (this.select) this.postprocessResults(); - } - - var evt = $.Event("select2-removing"); - evt.val = this.id(data); - evt.choice = data; - this.opts.element.trigger(evt); - - if (evt.isDefaultPrevented()) { - return; - } - - selected.remove(); - - this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data }); - this.triggerChange({ removed: data }); - }, - - // 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 doesnt 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){ - 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("<li class='select2-no-results'>" + self.opts.formatNoMatches(self.search.val()) + "</li>"); - } - } - } - - }, - - // 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); - } - }, - - // 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 <select>. Attach to <input type='hidden'/> 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 - .find(".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 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; - - 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) && 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(result.text, query.term, markup, escapeMarkup); - return markup.join(""); - }, - formatSelection: function (data, container, escapeMarkup) { - return data ? escapeMarkup(data.text) : undefined; - }, - sortResults: function (results, container, query) { - return results; - }, - formatResultCssClass: function(data) {return undefined;}, - formatSelectionCssClass: function(data, container) {return undefined;}, - formatNoMatches: function () { return "No matches found"; }, - formatInputTooShort: function (input, min) { var n = min - input.length; return "Please enter " + n + " 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..."; }, - minimumResultsForSearch: 0, - minimumInputLength: 0, - maximumInputLength: null, - maximumSelectionSize: 0, - id: function (e) { return e.id; }, - 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; } - }; - - $.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)); |