select2.js
3728 lines
| 152.7 KiB
| application/javascript
|
JavascriptLexer
| r1 | /* | ||
| Copyright 2012 Igor Vaynberg | |||
| Version: 3.5.4 Timestamp: Sun Aug 30 13:30:32 EDT 2015 | |||
| 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 License 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 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 reinsertElement(element) { | |||
| var placeholder = $(document.createTextNode('')); | |||
| element.before(placeholder); | |||
| placeholder.before(element); | |||
| placeholder.remove(); | |||
| } | |||
| function stripDiacritics(str) { | |||
| // Used 'uni range + named function' from http://jsperf.com/diacritics/18 | |||
| function match(a) { | |||
| return DIACRITICS[a] || a; | |||
| } | |||
| return str.replace(/[^\u0000-\u007E]/g, match); | |||
| } | |||
| 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(document.body); | |||
| var dim = { | |||
| width: $template.width() - $template[0].clientWidth, | |||
| height: $template.height() - $template[0].clientHeight | |||
| }; | |||
| $template.remove(); | |||
| return dim; | |||
| } | |||
| /** | |||
| * Compares equality of a and b | |||
| * @param a | |||
| * @param b | |||
| */ | |||
| function equal(a, b) { | |||
| if (a === b) return true; | |||
| if (a === undefined || b === undefined) return false; | |||
| if (a === null || b === null) return false; | |||
| // Check whether 'a' or 'b' is a string (primitive or object). | |||
| // The concatenation of an empty string (+'') converts its argument to a string's primitive. | |||
| if (a.constructor === String) return a+'' === b+''; // a+'' - in case 'a' is a String object | |||
| if (b.constructor === String) return b+'' === a+''; // b+'' - in case 'b' is a String object | |||
| return false; | |||
| } | |||
| /** | |||
| * Splits the string into an array of values, transforming each value. An empty array is returned for nulls or empty | |||
| * strings | |||
| * @param string | |||
| * @param separator | |||
| */ | |||
| function splitVal(string, separator, transform) { | |||
| var val, i, l; | |||
| if (string === null || string.length < 1) return []; | |||
| val = string.split(separator); | |||
| for (i = 0, l = val.length; i < l; i = i + 1) val[i] = transform(val[i]); | |||
| return val; | |||
| } | |||
| function getSideBorderPadding(element) { | |||
| return element.outerWidth(false) - element.width(); | |||
| } | |||
| function installKeyUpChangeEvent(element) { | |||
| var key="keyup-change-value"; | |||
| element.on("keydown", function () { | |||
| if ($.data(element, key) === undefined) { | |||
| $.data(element, key, element.val()); | |||
| } | |||
| }); | |||
| element.on("keyup", function () { | |||
| var val= $.data(element, key); | |||
| if (val !== undefined && element.val() !== val) { | |||
| $.removeData(element, key); | |||
| element.trigger("keyup-change"); | |||
| } | |||
| }); | |||
| } | |||
| /** | |||
| * filters mouse events so an event is fired only if the mouse moved. | |||
| * | |||
| * filters out mouse events that occur when mouse is stationary but | |||
| * the elements under the pointer are scrolled. | |||
| */ | |||
| function installFilteredMouseMove(element) { | |||
| element.on("mousemove", function (e) { | |||
| var lastpos = lastMousePosition; | |||
| if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) { | |||
| $(e.target).trigger("mousemove-filtered", e); | |||
| } | |||
| }); | |||
| } | |||
| /** | |||
| * Debounces a function. Returns a function that calls the original fn function only if no invocations have been made | |||
| * within the last quietMillis milliseconds. | |||
| * | |||
| * @param quietMillis number of milliseconds to wait before invoking fn | |||
| * @param fn function to be debounced | |||
| * @param ctx object to be used as this reference within fn | |||
| * @return debounced version of fn | |||
| */ | |||
| function debounce(quietMillis, fn, ctx) { | |||
| ctx = ctx || undefined; | |||
| var timeout; | |||
| return function () { | |||
| var args = arguments; | |||
| window.clearTimeout(timeout); | |||
| timeout = window.setTimeout(function() { | |||
| fn.apply(ctx, args); | |||
| }, quietMillis); | |||
| }; | |||
| } | |||
| function installDebouncedScroll(threshold, element) { | |||
| var notify = debounce(threshold, function (e) { element.trigger("scroll-debounced", e);}); | |||
| element.on("scroll", function (e) { | |||
| if (indexOf(e.target, element.get()) >= 0) notify(e); | |||
| }); | |||
| } | |||
| function focus($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 */ | |||
| var isVisible = (el.offsetWidth > 0 || el.offsetHeight > 0); | |||
| if (isVisible && el === document.activeElement) { | |||
| /* after the focus is set move the caret to the end, necessary when we val() | |||
| just before setting focus */ | |||
| if(el.setSelectionRange) | |||
| { | |||
| el.setSelectionRange(pos, pos); | |||
| } | |||
| else if (el.createTextRange) { | |||
| range = el.createTextRange(); | |||
| range.collapse(false); | |||
| range.select(); | |||
| } | |||
| } | |||
| }, 0); | |||
| } | |||
| function getCursorInfo(el) { | |||
| el = $(el)[0]; | |||
| var offset = 0; | |||
| var length = 0; | |||
| if ('selectionStart' in el) { | |||
| offset = el.selectionStart; | |||
| length = el.selectionEnd - offset; | |||
| } else if ('selection' in document) { | |||
| el.focus(); | |||
| var sel = document.selection.createRange(); | |||
| length = document.selection.createRange().text.length; | |||
| sel.moveStart('character', -el.value.length); | |||
| offset = sel.text.length - length; | |||
| } | |||
| return { offset: offset, length: length }; | |||
| } | |||
| function killEvent(event) { | |||
| event.preventDefault(); | |||
| event.stopPropagation(); | |||
| } | |||
| function killEventImmediately(event) { | |||
| event.preventDefault(); | |||
| event.stopImmediatePropagation(); | |||
| } | |||
| function measureTextWidth(e) { | |||
| if (!sizer){ | |||
| var style = e[0].currentStyle || window.getComputedStyle(e[0], null); | |||
| sizer = $(document.createElement("div")).css({ | |||
| position: "absolute", | |||
| left: "-10000px", | |||
| top: "-10000px", | |||
| display: "none", | |||
| fontSize: style.fontSize, | |||
| fontFamily: style.fontFamily, | |||
| fontStyle: style.fontStyle, | |||
| fontWeight: style.fontWeight, | |||
| letterSpacing: style.letterSpacing, | |||
| textTransform: style.textTransform, | |||
| whiteSpace: "nowrap" | |||
| }); | |||
| sizer.attr("class","select2-sizer"); | |||
| $(document.body).append(sizer); | |||
| } | |||
| sizer.text(e.val()); | |||
| return sizer.width(); | |||
| } | |||
| function syncCssClasses(dest, src, adapter) { | |||
| var classes, replacements = [], adapted; | |||
| classes = $.trim(dest.attr("class")); | |||
| if (classes) { | |||
| classes = '' + classes; // for IE which returns object | |||
| $(classes.split(/\s+/)).each2(function() { | |||
| if (this.indexOf("select2-") === 0) { | |||
| replacements.push(this); | |||
| } | |||
| }); | |||
| } | |||
| classes = $.trim(src.attr("class")); | |||
| if (classes) { | |||
| classes = '' + classes; // for IE which returns object | |||
| $(classes.split(/\s+/)).each2(function() { | |||
| if (this.indexOf("select2-") !== 0) { | |||
| adapted = adapter(this); | |||
| if (adapted) { | |||
| replacements.push(adapted); | |||
| } | |||
| } | |||
| }); | |||
| } | |||
| dest.attr("class", replacements.join(" ")); | |||
| } | |||
| function markMatch(text, term, markup, escapeMarkup) { | |||
| var match=stripDiacritics(text.toUpperCase()).indexOf(stripDiacritics(term.toUpperCase())), | |||
| tl=term.length; | |||
| if (match<0) { | |||
| markup.push(escapeMarkup(text)); | |||
| return; | |||
| } | |||
| markup.push(escapeMarkup(text.substring(0, match))); | |||
| markup.push("<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 parameters | |||
| * @param options.params parameter map for the transport ajax call, can contain such options as cache, jsonpCallback, etc. see $.ajax | |||
| * @param options.transport function that will be used to execute the ajax request. must be compatible with parameters supported by $.ajax | |||
| * @param options.url url for the data | |||
| * @param options.data a function(searchTerm, pageNumber, context) that should return an object containing query string parameters for the above url. | |||
| * @param options.dataType request data type: ajax, jsonp, other datatypes supported by jQuery's $.ajax function or the transport function if specified | |||
| * @param options.quietMillis (optional) milliseconds to wait before making the ajaxRequest, helps debounce the ajax function if invoked too often | |||
| * @param options.results a function(remoteData, pageNumber, query) that converts data returned form the remote request to the format expected by Select2. | |||
| * The expected format is an object containing the following keys: | |||
| * results array of objects that will be used as choices | |||
| * more (optional) boolean indicating whether there are more results available | |||
| * Example: {results:[{id:1, text:'Red'},{id:2, text:'Blue'}], more:true} | |||
| */ | |||
| function ajax(options) { | |||
| var timeout, // current scheduled but not yet executed request | |||
| handler = null, | |||
| quietMillis = options.quietMillis || 100, | |||
| ajaxUrl = options.url, | |||
| self = this; | |||
| return function (query) { | |||
| window.clearTimeout(timeout); | |||
| timeout = window.setTimeout(function () { | |||
| var data = options.data, // ajax data function | |||
| url = ajaxUrl, // ajax url string or function | |||
| transport = options.transport || $.fn.select2.ajaxDefaults.transport, | |||
| // deprecated - to be removed in 4.0 - use params instead | |||
| deprecated = { | |||
| type: options.type || 'GET', // set type of request (GET or POST) | |||
| cache: options.cache || false, | |||
| jsonpCallback: options.jsonpCallback||undefined, | |||
| dataType: options.dataType||"json" | |||
| }, | |||
| params = $.extend({}, $.fn.select2.ajaxDefaults.params, deprecated); | |||
| data = data ? data.call(self, query.term, query.page, query.context) : null; | |||
| url = (typeof url === 'function') ? url.call(self, query.term, query.page, query.context) : url; | |||
| if (handler && typeof handler.abort === "function") { handler.abort(); } | |||
| if (options.params) { | |||
| if ($.isFunction(options.params)) { | |||
| $.extend(params, options.params.call(self)); | |||
| } else { | |||
| $.extend(params, options.params); | |||
| } | |||
| } | |||
| $.extend(params, { | |||
| url: url, | |||
| dataType: options.dataType, | |||
| data: data, | |||
| success: function (data) { | |||
| // TODO - replace query.page with query so users have access to term, page, etc. | |||
| // added query as third paramter to keep backwards compatibility | |||
| var results = options.results(data, query.page, query); | |||
| query.callback(results); | |||
| }, | |||
| error: function(jqXHR, textStatus, errorThrown){ | |||
| var results = { | |||
| hasError: true, | |||
| jqXHR: jqXHR, | |||
| textStatus: textStatus, | |||
| errorThrown: errorThrown | |||
| }; | |||
| query.callback(results); | |||
| } | |||
| }); | |||
| handler = transport.call(self, params); | |||
| }, quietMillis); | |||
| }; | |||
| } | |||
| /** | |||
| * Produces a query function that works with a local array | |||
| * | |||
| * @param options object containing configuration parameters. The options parameter can either be an array or an | |||
| * object. | |||
| * | |||
| * If the array form is used it is assumed that it contains objects with 'id' and 'text' keys. | |||
| * | |||
| * If the object form is used it is assumed that it contains 'data' and 'text' keys. The 'data' key should contain | |||
| * an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text' | |||
| * key can either be a String in which case it is expected that each element in the 'data' array has a key with the | |||
| * value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract | |||
| * the text. | |||
| */ | |||
| function local(options) { | |||
| var data = options, // data elements | |||
| dataText, | |||
| tmp, | |||
| text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search | |||
| if ($.isArray(data)) { | |||
| tmp = data; | |||
| data = { results: tmp }; | |||
| } | |||
| if ($.isFunction(data) === false) { | |||
| tmp = data; | |||
| data = function() { return tmp; }; | |||
| } | |||
| var dataItem = data(); | |||
| if (dataItem.text) { | |||
| text = dataItem.text; | |||
| // if text is not a function we assume it to be a key name | |||
| if (!$.isFunction(text)) { | |||
| dataText = dataItem.text; // we need to store this in a separate variable because in the next step data gets reset and data.text is no longer available | |||
| text = function (item) { return item[dataText]; }; | |||
| } | |||
| } | |||
| return function (query) { | |||
| var t = query.term, filtered = { results: [] }, process; | |||
| if (t === "") { | |||
| query.callback(data()); | |||
| return; | |||
| } | |||
| process = function(datum, collection) { | |||
| var group, attr; | |||
| datum = datum[0]; | |||
| if (datum.children) { | |||
| group = {}; | |||
| for (attr in datum) { | |||
| if (datum.hasOwnProperty(attr)) group[attr]=datum[attr]; | |||
| } | |||
| group.children=[]; | |||
| $(datum.children).each2(function(i, childDatum) { process(childDatum, group.children); }); | |||
| if (group.children.length || query.matcher(t, text(group), datum)) { | |||
| collection.push(group); | |||
| } | |||
| } else { | |||
| if (query.matcher(t, text(datum), datum)) { | |||
| collection.push(datum); | |||
| } | |||
| } | |||
| }; | |||
| $(data().results).each2(function(i, datum) { process(datum, filtered.results); }); | |||
| query.callback(filtered); | |||
| }; | |||
| } | |||
| // TODO javadoc | |||
| function tags(data) { | |||
| var isFunc = $.isFunction(data); | |||
| return function (query) { | |||
| var t = query.term, filtered = {results: []}; | |||
| var result = isFunc ? data(query) : data; | |||
| if ($.isArray(result)) { | |||
| $(result).each(function () { | |||
| var isObject = this.text !== undefined, | |||
| text = isObject ? this.text : this; | |||
| if (t === "" || query.matcher(t, text)) { | |||
| filtered.results.push(isObject ? this : {id: this, text: this}); | |||
| } | |||
| }); | |||
| query.callback(filtered); | |||
| } | |||
| }; | |||
| } | |||
| /** | |||
| * Checks if the formatter function should be used. | |||
| * | |||
| * Throws an error if it is not a function. Returns true if it should be used, | |||
| * false if no formatting should be performed. | |||
| * | |||
| * @param formatter | |||
| */ | |||
| function checkFormatter(formatter, formatterName) { | |||
| if ($.isFunction(formatter)) return true; | |||
| if (!formatter) return false; | |||
| if (typeof(formatter) === 'string') return true; | |||
| throw new Error(formatterName +" must be a string, function, or falsy value"); | |||
| } | |||
| /** | |||
| * Returns a given value | |||
| * If given a function, returns its output | |||
| * | |||
| * @param val string|function | |||
| * @param context value of "this" to be passed to function | |||
| * @returns {*} | |||
| */ | |||
| function evaluate(val, context) { | |||
| if ($.isFunction(val)) { | |||
| var args = Array.prototype.slice.call(arguments, 2); | |||
| return val.apply(context, args); | |||
| } | |||
| return val; | |||
| } | |||
| function countResults(results) { | |||
| var count = 0; | |||
| $.each(results, function(i, item) { | |||
| if (item.children) { | |||
| count += countResults(item.children); | |||
| } else { | |||
| count++; | |||
| } | |||
| }); | |||
| return count; | |||
| } | |||
| /** | |||
| * Default tokenizer. This function uses breaks the input on substring match of any string from the | |||
| * opts.tokenSeparators array and uses opts.createSearchChoice to create the choice object. Both of those | |||
| * two options have to be defined in order for the tokenizer to work. | |||
| * | |||
| * @param input text user has typed so far or pasted into the search field | |||
| * @param selection currently selected choices | |||
| * @param selectCallback function(choice) callback tho add the choice to selection | |||
| * @param opts select2's opts | |||
| * @return undefined/null to leave the current input unchanged, or a string to change the input to the returned value | |||
| */ | |||
| function defaultTokenizer(input, selection, selectCallback, opts) { | |||
| var original = input, // store the original so we can compare and know if we need to tell the search to update its text | |||
| dupe = false, // check for whether a token we extracted represents a duplicate selected choice | |||
| token, // token | |||
| index, // position at which the separator was found | |||
| i, l, // looping variables | |||
| separator; // the matched separator | |||
| if (!opts.createSearchChoice || !opts.tokenSeparators || opts.tokenSeparators.length < 1) return undefined; | |||
| while (true) { | |||
| index = -1; | |||
| for (i = 0, l = opts.tokenSeparators.length; i < l; i++) { | |||
| separator = opts.tokenSeparators[i]; | |||
| index = input.indexOf(separator); | |||
| if (index >= 0) break; | |||
| } | |||
| if (index < 0) break; // did not find any token separator in the input string, bail | |||
| token = input.substring(0, index); | |||
| input = input.substring(index + separator.length); | |||
| if (token.length > 0) { | |||
| token = opts.createSearchChoice.call(this, token, selection); | |||
| if (token !== undefined && token !== null && opts.id(token) !== undefined && opts.id(token) !== null) { | |||
| dupe = false; | |||
| for (i = 0, l = selection.length; i < l; i++) { | |||
| if (equal(opts.id(token), opts.id(selection[i]))) { | |||
| dupe = true; break; | |||
| } | |||
| } | |||
| if (!dupe) selectCallback(token); | |||
| } | |||
| } | |||
| } | |||
| if (original!==input) return input; | |||
| } | |||
| function cleanupJQueryElements() { | |||
| var self = this; | |||
| $.each(arguments, function (i, element) { | |||
| self[element].remove(); | |||
| self[element] = null; | |||
| }); | |||
| } | |||
| /** | |||
| * Creates a new class | |||
| * | |||
| * @param superClass | |||
| * @param methods | |||
| */ | |||
| function clazz(SuperClass, methods) { | |||
| var constructor = function () {}; | |||
| constructor.prototype = new SuperClass; | |||
| constructor.prototype.constructor = constructor; | |||
| constructor.prototype.parent = SuperClass.prototype; | |||
| constructor.prototype = $.extend(constructor.prototype, methods); | |||
| return constructor; | |||
| } | |||
| AbstractSelect2 = clazz(Object, { | |||
| // abstract | |||
| bind: function (func) { | |||
| var self = this; | |||
| return function () { | |||
| func.apply(self, arguments); | |||
| }; | |||
| }, | |||
| // abstract | |||
| init: function (opts) { | |||
| var results, search, resultsSelector = ".select2-results"; | |||
| // prepare options | |||
| this.opts = opts = this.prepareOpts(opts); | |||
| this.id=opts.id; | |||
| // destroy if called on an existing component | |||
| if (opts.element.data("select2") !== undefined && | |||
| opts.element.data("select2") !== null) { | |||
| opts.element.data("select2").destroy(); | |||
| } | |||
| this.container = this.createContainer(); | |||
| this.liveRegion = $('.select2-hidden-accessible'); | |||
| if (this.liveRegion.length == 0) { | |||
| this.liveRegion = $("<span>", { | |||
| role: "status", | |||
| "aria-live": "polite" | |||
| }) | |||
| .addClass("select2-hidden-accessible") | |||
| .appendTo(document.body); | |||
| } | |||
| this.containerId="s2id_"+(opts.element.attr("id") || "autogen"+nextUid()); | |||
| this.containerEventName= this.containerId | |||
| .replace(/([.])/g, '_') | |||
| .replace(/([;&,\-\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1'); | |||
| this.container.attr("id", this.containerId); | |||
| this.container.attr("title", opts.element.attr("title")); | |||
| this.body = $(document.body); | |||
| syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass); | |||
| this.container.attr("style", opts.element.attr("style")); | |||
| this.container.css(evaluate(opts.containerCss, this.opts.element)); | |||
| this.container.addClass(evaluate(opts.containerCssClass, this.opts.element)); | |||
| this.elementTabIndex = this.opts.element.attr("tabindex"); | |||
| // swap container for the element | |||
| this.opts.element | |||
| .data("select2", this) | |||
| .attr("tabindex", "-1") | |||
| .before(this.container) | |||
| .on("click.select2", killEvent); // do not leak click events | |||
| this.container.data("select2", this); | |||
| this.dropdown = this.container.find(".select2-drop"); | |||
| syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass); | |||
| this.dropdown.addClass(evaluate(opts.dropdownCssClass, this.opts.element)); | |||
| this.dropdown.data("select2", this); | |||
| this.dropdown.on("click", killEvent); | |||
| this.results = results = this.container.find(resultsSelector); | |||
| this.search = search = this.container.find("input.select2-input"); | |||
| this.queryCount = 0; | |||
| this.resultsPage = 0; | |||
| this.context = null; | |||
| // initialize the container | |||
| this.initContainer(); | |||
| this.container.on("click", killEvent); | |||
| installFilteredMouseMove(this.results); | |||
| this.dropdown.on("mousemove-filtered", resultsSelector, this.bind(this.highlightUnderEvent)); | |||
| this.dropdown.on("touchstart touchmove touchend", resultsSelector, this.bind(function (event) { | |||
| this._touchEvent = true; | |||
| this.highlightUnderEvent(event); | |||
| })); | |||
| this.dropdown.on("touchmove", resultsSelector, this.bind(this.touchMoved)); | |||
| this.dropdown.on("touchstart touchend", resultsSelector, this.bind(this.clearTouchMoved)); | |||
| // Waiting for a click event on touch devices to select option and hide dropdown | |||
| // otherwise click will be triggered on an underlying element | |||
| this.dropdown.on('click', this.bind(function (event) { | |||
| if (this._touchEvent) { | |||
| this._touchEvent = false; | |||
| this.selectHighlighted(); | |||
| } | |||
| })); | |||
| installDebouncedScroll(80, this.results); | |||
| this.dropdown.on("scroll-debounced", resultsSelector, this.bind(this.loadMoreIfNeeded)); | |||
| // do not propagate change event from the search field out of the component | |||
| $(this.container).on("change", ".select2-input", function(e) {e.stopPropagation();}); | |||
| $(this.dropdown).on("change", ".select2-input", function(e) {e.stopPropagation();}); | |||
| // if jquery.mousewheel plugin is installed we can prevent out-of-bounds scrolling of results via mousewheel | |||
| if ($.fn.mousewheel) { | |||
| results.mousewheel(function (e, delta, deltaX, deltaY) { | |||
| var top = results.scrollTop(); | |||
| if (deltaY > 0 && top - deltaY <= 0) { | |||
| results.scrollTop(0); | |||
| killEvent(e); | |||
| } else if (deltaY < 0 && results.get(0).scrollHeight - results.scrollTop() + deltaY <= results.height()) { | |||
| results.scrollTop(results.get(0).scrollHeight - results.height()); | |||
| killEvent(e); | |||
| } | |||
| }); | |||
| } | |||
| installKeyUpChangeEvent(search); | |||
| search.on("keyup-change input paste", this.bind(this.updateResults)); | |||
| search.on("focus", function () { search.addClass("select2-focused"); }); | |||
| search.on("blur", function () { search.removeClass("select2-focused");}); | |||
| this.dropdown.on("mouseup", resultsSelector, this.bind(function (e) { | |||
| if ($(e.target).closest(".select2-result-selectable").length > 0) { | |||
| this.highlightUnderEvent(e); | |||
| this.selectHighlighted(e); | |||
| } | |||
| })); | |||
| // trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening | |||
| // for mouse events outside of itself so it can close itself. since the dropdown is now outside the select2's | |||
| // dom it will trigger the popup close, which is not what we want | |||
| // focusin can cause focus wars between modals and select2 since the dropdown is outside the modal. | |||
| this.dropdown.on("click mouseup mousedown touchstart touchend focusin", function (e) { e.stopPropagation(); }); | |||
| this.lastSearchTerm = undefined; | |||
| if ($.isFunction(this.opts.initSelection)) { | |||
| // initialize selection based on the current value of the source element | |||
| this.initSelection(); | |||
| // if the user has provided a function that can set selection based on the value of the source element | |||
| // we monitor the change event on the element and trigger it, allowing for two way synchronization | |||
| this.monitorSource(); | |||
| } | |||
| if (opts.maximumInputLength !== null) { | |||
| this.search.attr("maxlength", opts.maximumInputLength); | |||
| } | |||
| var disabled = opts.element.prop("disabled"); | |||
| if (disabled === undefined) disabled = false; | |||
| this.enable(!disabled); | |||
| var readonly = opts.element.prop("readonly"); | |||
| if (readonly === undefined) readonly = false; | |||
| this.readonly(readonly); | |||
| // Calculate size of scrollbar | |||
| scrollBarDimensions = scrollBarDimensions || measureScrollbar(); | |||
| this.autofocus = opts.element.prop("autofocus"); | |||
| opts.element.prop("autofocus", false); | |||
| if (this.autofocus) this.focus(); | |||
| this.search.attr("placeholder", opts.searchInputPlaceholder); | |||
| }, | |||
| // abstract | |||
| destroy: function () { | |||
| var element=this.opts.element, select2 = element.data("select2"), self = this; | |||
| this.close(); | |||
| if (element.length && element[0].detachEvent && self._sync) { | |||
| element.each(function () { | |||
| if (self._sync) { | |||
| this.detachEvent("onpropertychange", self._sync); | |||
| } | |||
| }); | |||
| } | |||
| if (this.propertyObserver) { | |||
| this.propertyObserver.disconnect(); | |||
| this.propertyObserver = null; | |||
| } | |||
| this._sync = null; | |||
| if (select2 !== undefined) { | |||
| select2.container.remove(); | |||
| select2.liveRegion.remove(); | |||
| select2.dropdown.remove(); | |||
| element.removeData("select2") | |||
| .off(".select2"); | |||
| if (!element.is("input[type='hidden']")) { | |||
| element | |||
| .show() | |||
| .prop("autofocus", this.autofocus || false); | |||
| if (this.elementTabIndex) { | |||
| element.attr({tabindex: this.elementTabIndex}); | |||
| } else { | |||
| element.removeAttr("tabindex"); | |||
| } | |||
| element.show(); | |||
| } else { | |||
| element.css("display", ""); | |||
| } | |||
| } | |||
| cleanupJQueryElements.call(this, | |||
| "container", | |||
| "liveRegion", | |||
| "dropdown", | |||
| "results", | |||
| "search" | |||
| ); | |||
| }, | |||
| // abstract | |||
| optionToData: function(element) { | |||
| if (element.is("option")) { | |||
| return { | |||
| id:element.prop("value"), | |||
| text:element.text(), | |||
| element: element.get(), | |||
| css: element.attr("class"), | |||
| disabled: element.prop("disabled"), | |||
| locked: equal(element.attr("locked"), "locked") || equal(element.data("locked"), true) | |||
| }; | |||
| } else if (element.is("optgroup")) { | |||
| return { | |||
| text:element.attr("label"), | |||
| children:[], | |||
| element: element.get(), | |||
| css: element.attr("class") | |||
| }; | |||
| } | |||
| }, | |||
| // abstract | |||
| prepareOpts: function (opts) { | |||
| var element, select, idKey, ajaxUrl, self = this; | |||
| element = opts.element; | |||
| if (element.get(0).tagName.toLowerCase() === "select") { | |||
| this.select = select = opts.element; | |||
| } | |||
| if (select) { | |||
| // these options are not allowed when attached to a select because they are picked up off the element itself | |||
| $.each(["id", "multiple", "ajax", "query", "createSearchChoice", "initSelection", "data", "tags"], function () { | |||
| if (this in opts) { | |||
| throw new Error("Option '" + this + "' is not allowed for Select2 when attached to a <select> element."); | |||
| } | |||
| }); | |||
| } | |||
| opts.debug = opts.debug || $.fn.select2.defaults.debug; | |||
| // Warnings for options renamed/removed in Select2 4.0.0 | |||
| // Only when it's enabled through debug mode | |||
| if (opts.debug && console && console.warn) { | |||
| // id was removed | |||
| if (opts.id != null) { | |||
| console.warn( | |||
| 'Select2: The `id` option has been removed in Select2 4.0.0, ' + | |||
| 'consider renaming your `id` property or mapping the property before your data makes it to Select2. ' + | |||
| 'You can read more at https://select2.github.io/announcements-4.0.html#changed-id' | |||
| ); | |||
| } | |||
| // text was removed | |||
| if (opts.text != null) { | |||
| console.warn( | |||
| 'Select2: The `text` option has been removed in Select2 4.0.0, ' + | |||
| 'consider renaming your `text` property or mapping the property before your data makes it to Select2. ' + | |||
| 'You can read more at https://select2.github.io/announcements-4.0.html#changed-id' | |||
| ); | |||
| } | |||
| // sortResults was renamed to results | |||
| if (opts.sortResults != null) { | |||
| console.warn( | |||
| 'Select2: the `sortResults` option has been renamed to `sorter` in Select2 4.0.0. ' | |||
| ); | |||
| } | |||
| // selectOnBlur was renamed to selectOnClose | |||
| if (opts.selectOnBlur != null) { | |||
| console.warn( | |||
| 'Select2: The `selectOnBlur` option has been renamed to `selectOnClose` in Select2 4.0.0.' | |||
| ); | |||
| } | |||
| // ajax.results was renamed to ajax.processResults | |||
| if (opts.ajax != null && opts.ajax.results != null) { | |||
| console.warn( | |||
| 'Select2: The `ajax.results` option has been renamed to `ajax.processResults` in Select2 4.0.0.' | |||
| ); | |||
| } | |||
| // format* options were renamed to language.* | |||
| if (opts.formatNoResults != null) { | |||
| console.warn( | |||
| 'Select2: The `formatNoResults` option has been renamed to `language.noResults` in Select2 4.0.0.' | |||
| ); | |||
| } | |||
| if (opts.formatSearching != null) { | |||
| console.warn( | |||
| 'Select2: The `formatSearching` option has been renamed to `language.searching` in Select2 4.0.0.' | |||
| ); | |||
| } | |||
| if (opts.formatInputTooShort != null) { | |||
| console.warn( | |||
| 'Select2: The `formatInputTooShort` option has been renamed to `language.inputTooShort` in Select2 4.0.0.' | |||
| ); | |||
| } | |||
| if (opts.formatInputTooLong != null) { | |||
| console.warn( | |||
| 'Select2: The `formatInputTooLong` option has been renamed to `language.inputTooLong` in Select2 4.0.0.' | |||
| ); | |||
| } | |||
| if (opts.formatLoading != null) { | |||
| console.warn( | |||
| 'Select2: The `formatLoading` option has been renamed to `language.loadingMore` in Select2 4.0.0.' | |||
| ); | |||
| } | |||
| if (opts.formatSelectionTooBig != null) { | |||
| console.warn( | |||
| 'Select2: The `formatSelectionTooBig` option has been renamed to `language.maximumSelected` in Select2 4.0.0.' | |||
| ); | |||
| } | |||
| if (opts.element.data('select2Tags')) { | |||
| console.warn( | |||
| 'Select2: The `data-select2-tags` attribute has been renamed to `data-tags` in Select2 4.0.0.' | |||
| ); | |||
| } | |||
| } | |||
| // Aliasing options renamed in Select2 4.0.0 | |||
| // data-select2-tags -> data-tags | |||
| if (opts.element.data('tags') != null) { | |||
| var elemTags = opts.element.data('tags'); | |||
| // data-tags should actually be a boolean | |||
| if (!$.isArray(elemTags)) { | |||
| elemTags = []; | |||
| } | |||
| opts.element.data('select2Tags', elemTags); | |||
| } | |||
| // sortResults -> sorter | |||
| if (opts.sorter != null) { | |||
| opts.sortResults = opts.sorter; | |||
| } | |||
| // selectOnBlur -> selectOnClose | |||
| if (opts.selectOnClose != null) { | |||
| opts.selectOnBlur = opts.selectOnClose; | |||
| } | |||
| // ajax.results -> ajax.processResults | |||
| if (opts.ajax != null) { | |||
| if ($.isFunction(opts.ajax.processResults)) { | |||
| opts.ajax.results = opts.ajax.processResults; | |||
| } | |||
| } | |||
| // Formatters/language options | |||
| if (opts.language != null) { | |||
| var lang = opts.language; | |||
| // formatNoMatches -> language.noMatches | |||
| if ($.isFunction(lang.noMatches)) { | |||
| opts.formatNoMatches = lang.noMatches; | |||
| } | |||
| // formatSearching -> language.searching | |||
| if ($.isFunction(lang.searching)) { | |||
| opts.formatSearching = lang.searching; | |||
| } | |||
| // formatInputTooShort -> language.inputTooShort | |||
| if ($.isFunction(lang.inputTooShort)) { | |||
| opts.formatInputTooShort = lang.inputTooShort; | |||
| } | |||
| // formatInputTooLong -> language.inputTooLong | |||
| if ($.isFunction(lang.inputTooLong)) { | |||
| opts.formatInputTooLong = lang.inputTooLong; | |||
| } | |||
| // formatLoading -> language.loadingMore | |||
| if ($.isFunction(lang.loadingMore)) { | |||
| opts.formatLoading = lang.loadingMore; | |||
| } | |||
| // formatSelectionTooBig -> language.maximumSelected | |||
| if ($.isFunction(lang.maximumSelected)) { | |||
| opts.formatSelectionTooBig = lang.maximumSelected; | |||
| } | |||
| } | |||
| opts = $.extend({}, { | |||
| populateResults: function(container, results, query) { | |||
| var populate, id=this.opts.id, liveRegion=this.liveRegion; | |||
| populate=function(results, container, depth) { | |||
| var i, l, result, selectable, disabled, compound, node, label, innerContainer, formatted; | |||
| results = opts.sortResults(results, container, query); | |||
| // collect the created nodes for bulk append | |||
| var nodes = []; | |||
| for (i = 0, l = results.length; i < l; i = i + 1) { | |||
| result=results[i]; | |||
| disabled = (result.disabled === true); | |||
| selectable = (!disabled) && (id(result) !== undefined); | |||
| compound=result.children && result.children.length > 0; | |||
| node=$("<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)); | |||
| node.attr("role", "presentation"); | |||
| label=$(document.createElement("div")); | |||
| label.addClass("select2-result-label"); | |||
| label.attr("id", "select2-result-label-" + nextUid()); | |||
| label.attr("role", "option"); | |||
| formatted=opts.formatResult(result, label, query, self.opts.escapeMarkup); | |||
| if (formatted!==undefined) { | |||
| label.html(formatted); | |||
| node.append(label); | |||
| } | |||
| if (compound) { | |||
| innerContainer=$("<ul></ul>"); | |||
| innerContainer.addClass("select2-result-sub"); | |||
| populate(result.children, innerContainer, depth+1); | |||
| node.append(innerContainer); | |||
| } | |||
| node.data("select2-data", result); | |||
| nodes.push(node[0]); | |||
| } | |||
| // bulk append the created nodes | |||
| container.append(nodes); | |||
| liveRegion.text(opts.formatMatches(results.length)); | |||
| }; | |||
| 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 their id is hardcoded | |||
| opts.id=function(e) { return e.id; }; | |||
| } 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 = []; | |||
| $(splitVal(element.val(), opts.separator, opts.transformVal)).each(function () { | |||
| var obj = { id: this, text: this }, | |||
| tags = opts.tags; | |||
| if ($.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"); | |||
| } | |||
| if (opts.createSearchChoicePosition === 'top') { | |||
| opts.createSearchChoicePosition = function(list, item) { list.unshift(item); }; | |||
| } | |||
| else if (opts.createSearchChoicePosition === 'bottom') { | |||
| opts.createSearchChoicePosition = function(list, item) { list.push(item); }; | |||
| } | |||
| else if (typeof(opts.createSearchChoicePosition) !== "function") { | |||
| throw "invalid createSearchChoicePosition option must be 'top', 'bottom' or a custom function"; | |||
| } | |||
| return opts; | |||
| }, | |||
| /** | |||
| * Monitor the original element for changes and update select2 accordingly | |||
| */ | |||
| // abstract | |||
| monitorSource: function () { | |||
| var el = this.opts.element, observer, self = this; | |||
| el.on("change.select2", this.bind(function (e) { | |||
| if (this.opts.element.data("select2-change-triggered") !== true) { | |||
| this.initSelection(); | |||
| } | |||
| })); | |||
| this._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); | |||
| if (this.container) { | |||
| syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass); | |||
| this.container.addClass(evaluate(this.opts.containerCssClass, this.opts.element)); | |||
| } | |||
| if (this.dropdown) { | |||
| syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass); | |||
| this.dropdown.addClass(evaluate(this.opts.dropdownCssClass, this.opts.element)); | |||
| } | |||
| }); | |||
| // IE8-10 (IE9/10 won't fire propertyChange via attachEventListener) | |||
| if (el.length && el[0].attachEvent) { | |||
| el.each(function() { | |||
| this.attachEvent("onpropertychange", self._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(function (mutations) { | |||
| $.each(mutations, self._sync); | |||
| }); | |||
| 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, choice: 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 ignores 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; | |||
| this._readonly = enabled; | |||
| this.opts.element.prop("readonly", enabled); | |||
| this.enableInterface(); | |||
| }, | |||
| // abstract | |||
| opened: function () { | |||
| return (this.container) ? this.container.hasClass("select2-dropdown-open") : false; | |||
| }, | |||
| // abstract | |||
| positionDropdown: function() { | |||
| var $dropdown = this.dropdown, | |||
| container = this.container, | |||
| offset = container.offset(), | |||
| height = container.outerHeight(false), | |||
| width = 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) >= $window.scrollTop(), | |||
| dropWidth = $dropdown.outerWidth(false), | |||
| enoughRoomOnRight = function() { | |||
| return dropLeft + dropWidth <= viewPortRight; | |||
| }, | |||
| enoughRoomOnLeft = function() { | |||
| return offset.left + viewPortRight + container.outerWidth(false) > dropWidth; | |||
| }, | |||
| 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); | |||
| $dropdown.show(); | |||
| // fix so the cursor does not move to the left within the search-textbox in IE | |||
| this.focusSearch(); | |||
| } | |||
| 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; | |||
| dropHeight = $dropdown.outerHeight(false); | |||
| } | |||
| 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() && enoughRoomOnLeft()) { | |||
| dropLeft = offset.left + this.container.outerWidth(false) - dropWidth; | |||
| } | |||
| css = { | |||
| left: dropLeft, | |||
| width: width | |||
| }; | |||
| if (above) { | |||
| this.container.addClass("select2-drop-above"); | |||
| $dropdown.addClass("select2-drop-above"); | |||
| dropHeight = $dropdown.outerHeight(false); | |||
| css.top = offset.top - dropHeight; | |||
| css.bottom = 'auto'; | |||
| } | |||
| 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, this.opts.element)); | |||
| $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(); | |||
| // Only bind the document mousemove when the dropdown is visible | |||
| $document.on("mousemove.select2Event", function (e) { | |||
| lastMousePosition.x = e.pageX; | |||
| lastMousePosition.y = e.pageY; | |||
| }); | |||
| return true; | |||
| }, | |||
| /** | |||
| * Performs the opening of the dropdown | |||
| */ | |||
| // abstract | |||
| opening: function() { | |||
| var cid = this.containerEventName, | |||
| 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 doesn't 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) { | |||
| // Prevent IE from generating a click event on the body | |||
| reinsertElement(mask); | |||
| var dropdown = $("#select2-drop"), self; | |||
| if (dropdown.length > 0) { | |||
| self=dropdown.data("select2"); | |||
| if (self.opts.selectOnBlur) { | |||
| self.selectHighlighted({noFocus: true}); | |||
| } | |||
| self.close(); | |||
| 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) { | |||
| if (that.opened()) that.positionDropdown(); | |||
| }); | |||
| }); | |||
| }, | |||
| // abstract | |||
| close: function () { | |||
| if (!this.opened()) return; | |||
| var cid = this.containerEventName, | |||
| 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(); | |||
| // Now that the dropdown is closed, unbind the global document mousemove event | |||
| $document.off("mousemove.select2Event"); | |||
| this.clearSearch(); | |||
| this.search.removeClass("select2-active"); | |||
| // Remove the aria active descendant for highlighted element | |||
| this.search.removeAttr("aria-activedescendant"); | |||
| this.opts.element.trigger($.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 () { | |||
| }, | |||
| /** | |||
| * @return {Boolean} Whether or not search value was changed. | |||
| * @private | |||
| */ | |||
| prefillNextSearchTerm: function () { | |||
| // 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() !== "") { | |||
| return false; | |||
| } | |||
| var nextSearchTerm = this.opts.nextSearchTerm(this.data(), this.lastSearchTerm); | |||
| if(nextSearchTerm !== undefined){ | |||
| this.search.val(nextSearchTerm); | |||
| this.search.select(); | |||
| return true; | |||
| } | |||
| return false; | |||
| }, | |||
| //abstract | |||
| getMaximumSelectionSize: function() { | |||
| return evaluate(this.opts.maximumSelectionSize, this.opts.element); | |||
| }, | |||
| // abstract | |||
| ensureHighlightVisible: function () { | |||
| var results = this.results, children, index, child, hb, rb, y, more, topOffset; | |||
| 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]); | |||
| topOffset = (child.offset() || {}).top || 0; | |||
| hb = topOffset + 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(false); | |||
| if (hb > rb) { | |||
| results.scrollTop(results.scrollTop() + (hb - rb)); | |||
| } | |||
| y = topOffset - 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):not(.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"); | |||
| // ensure assistive technology can determine the active choice | |||
| this.search.attr("aria-activedescendant", choice.find(".select2-result-label").attr("id")); | |||
| this.ensureHighlightVisible(); | |||
| this.liveRegion.text(choice.text()); | |||
| 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"); | |||
| }, | |||
| touchMoved: function() { | |||
| this._touchMoved = true; | |||
| }, | |||
| clearTouchMoved: function() { | |||
| this._touchMoved = false; | |||
| }, | |||
| // 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).html(self.opts.escapeMarkup(evaluate(self.opts.formatLoadMore, self.opts.element, 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; | |||
| $.data(this.container, "select2-last-term", term); | |||
| // if the search is currently hidden we do not alter the results | |||
| if (initial !== true && (this.showSearchInput === false || !this.opened())) { | |||
| return; | |||
| } | |||
| function postRender() { | |||
| search.removeClass("select2-active"); | |||
| self.positionDropdown(); | |||
| if (results.find('.select2-no-results,.select2-selection-limit,.select2-searching').length) { | |||
| self.liveRegion.text(results.text()); | |||
| } | |||
| else { | |||
| self.liveRegion.text(self.opts.formatMatches(results.find('.select2-result-selectable:not(".select2-selected")').length)); | |||
| } | |||
| } | |||
| function render(html) { | |||
| results.html(html); | |||
| postRender(); | |||
| } | |||
| queryNumber = ++this.queryCount; | |||
| var maxSelSize = this.getMaximumSelectionSize(); | |||
| if (maxSelSize >=1) { | |||
| data = this.data(); | |||
| if ($.isArray(data) && data.length >= maxSelSize && checkFormatter(opts.formatSelectionTooBig, "formatSelectionTooBig")) { | |||
| render("<li class='select2-selection-limit'>" + evaluate(opts.formatSelectionTooBig, opts.element, maxSelSize) + "</li>"); | |||
| return; | |||
| } | |||
| } | |||
| if (search.val().length < opts.minimumInputLength) { | |||
| if (checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) { | |||
| render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooShort, opts.element, 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'>" + evaluate(opts.formatInputTooLong, opts.element, search.val(), opts.maximumInputLength) + "</li>"); | |||
| } else { | |||
| render(""); | |||
| } | |||
| return; | |||
| } | |||
| if (opts.formatSearching && this.findHighlightableChoices().length === 0) { | |||
| render("<li class='select2-searching'>" + evaluate(opts.formatSearching, opts.element) + "</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; | |||
| } | |||
| // handle ajax error | |||
| if(data.hasError !== undefined && checkFormatter(opts.formatAjaxError, "formatAjaxError")) { | |||
| render("<li class='select2-ajax-error'>" + evaluate(opts.formatAjaxError, opts.element, data.jqXHR, data.textStatus, data.errorThrown) + "</li>"); | |||
| 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) { | |||
| this.opts.createSearchChoicePosition(data.results, def); | |||
| } | |||
| } | |||
| } | |||
| if (data.results.length === 0 && checkFormatter(opts.formatNoMatches, "formatNoMatches")) { | |||
| render("<li class='select2-no-results'>" + evaluate(opts.formatNoMatches, opts.element, search.val()) + "</li>"); | |||
| if(this.showSearch){ | |||
| this.showSearch(search.val()); | |||
| } | |||
| 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'>" + opts.escapeMarkup(evaluate(opts.formatLoadMore, opts.element, 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) { | |||
| if (this._touchMoved) { | |||
| this.clearTouchMoved(); | |||
| return; | |||
| } | |||
| 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 ($.trim(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 (typeof(style) === "string") { | |||
| 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)' class='select2-choice' tabindex='-1'>", | |||
| " <span class='select2-chosen'> </span><abbr class='select2-search-choice-close'></abbr>", | |||
| " <span class='select2-arrow' role='presentation'><b role='presentation'></b></span>", | |||
| "</a>", | |||
| "<label for='' class='select2-offscreen'></label>", | |||
| "<input class='select2-focusser select2-offscreen' type='text' aria-haspopup='true' role='button' />", | |||
| "<div class='select2-drop select2-display-none'>", | |||
| " <div class='select2-search'>", | |||
| " <label for='' class='select2-offscreen'></label>", | |||
| " <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input' role='combobox' aria-expanded='true'", | |||
| " aria-autocomplete='list' />", | |||
| " </div>", | |||
| " <ul class='select2-results' role='listbox'>", | |||
| " </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()); | |||
| } | |||
| if (this.opts.shouldFocusInput(this)) { | |||
| this.search.focus(); | |||
| // move the cursor to the end after focussing, otherwise it will be at the beginning and | |||
| // new text will appear *before* focusser.val() | |||
| el = this.search.get(0); | |||
| if (el.createTextRange) { | |||
| range = el.createTextRange(); | |||
| range.collapse(false); | |||
| range.select(); | |||
| } else if (el.setSelectionRange) { | |||
| len = this.search.val().length; | |||
| el.setSelectionRange(len, len); | |||
| } | |||
| } | |||
| this.prefillNextSearchTerm(); | |||
| this.focusser.prop("disabled", true).val(""); | |||
| this.updateResults(true); | |||
| this.opts.element.trigger($.Event("select2-open")); | |||
| }, | |||
| // single | |||
| close: function () { | |||
| if (!this.opened()) return; | |||
| this.parent.close.apply(this, arguments); | |||
| this.focusser.prop("disabled", false); | |||
| if (this.opts.shouldFocusInput(this)) { | |||
| this.focusser.focus(); | |||
| } | |||
| }, | |||
| // single | |||
| focus: function () { | |||
| if (this.opened()) { | |||
| this.close(); | |||
| } else { | |||
| this.focusser.prop("disabled", false); | |||
| if (this.opts.shouldFocusInput(this)) { | |||
| this.focusser.focus(); | |||
| } | |||
| } | |||
| }, | |||
| // single | |||
| isFocused: function () { | |||
| return this.container.hasClass("select2-container-active"); | |||
| }, | |||
| // single | |||
| cancel: function () { | |||
| this.parent.cancel.apply(this, arguments); | |||
| this.focusser.prop("disabled", false); | |||
| if (this.opts.shouldFocusInput(this)) { | |||
| this.focusser.focus(); | |||
| } | |||
| }, | |||
| // single | |||
| destroy: function() { | |||
| $("label[for='" + this.focusser.attr('id') + "']") | |||
| .attr('for', this.opts.element.attr("id")); | |||
| this.parent.destroy.apply(this, arguments); | |||
| cleanupJQueryElements.call(this, | |||
| "selection", | |||
| "focusser" | |||
| ); | |||
| }, | |||
| // single | |||
| initContainer: function () { | |||
| var selection, | |||
| container = this.container, | |||
| dropdown = this.dropdown, | |||
| idSuffix = nextUid(), | |||
| elementLabel; | |||
| if (this.opts.minimumResultsForSearch < 0) { | |||
| this.showSearch(false); | |||
| } else { | |||
| this.showSearch(true); | |||
| } | |||
| this.selection = selection = container.find(".select2-choice"); | |||
| this.focusser = container.find(".select2-focusser"); | |||
| // add aria associations | |||
| selection.find(".select2-chosen").attr("id", "select2-chosen-"+idSuffix); | |||
| this.focusser.attr("aria-labelledby", "select2-chosen-"+idSuffix); | |||
| this.results.attr("id", "select2-results-"+idSuffix); | |||
| this.search.attr("aria-owns", "select2-results-"+idSuffix); | |||
| // rewrite labels from original element to focusser | |||
| this.focusser.attr("id", "s2id_autogen"+idSuffix); | |||
| elementLabel = $("label[for='" + this.opts.element.attr("id") + "']"); | |||
| this.opts.element.on('focus.select2', this.bind(function () { this.focus(); })); | |||
| this.focusser.prev() | |||
| .text(elementLabel.text()) | |||
| .attr('for', this.focusser.attr('id')); | |||
| // Ensure the original element retains an accessible name | |||
| var originalTitle = this.opts.element.attr("title"); | |||
| this.opts.element.attr("title", (originalTitle || elementLabel.text())); | |||
| this.focusser.attr("tabindex", this.elementTabIndex); | |||
| // write label for search field using the label from the focusser element | |||
| this.search.attr("id", this.focusser.attr('id') + '_search'); | |||
| this.search.prev() | |||
| .text($("label[for='" + this.focusser.attr('id') + "']").text()) | |||
| .attr('for', this.search.attr('id')); | |||
| this.search.on("keydown", this.bind(function (e) { | |||
| if (!this.isInterfaceEnabled()) return; | |||
| // filter 229 keyCodes (input method editor is processing key input) | |||
| if (229 == e.keyCode) return; | |||
| if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) { | |||
| // prevent the page from scrolling | |||
| killEvent(e); | |||
| return; | |||
| } | |||
| switch (e.which) { | |||
| case KEY.UP: | |||
| case KEY.DOWN: | |||
| this.moveHighlight((e.which === KEY.UP) ? -1 : 1); | |||
| killEvent(e); | |||
| return; | |||
| case KEY.ENTER: | |||
| this.selectHighlighted(); | |||
| killEvent(e); | |||
| return; | |||
| case KEY.TAB: | |||
| this.selectHighlighted({noFocus: true}); | |||
| return; | |||
| case KEY.ESC: | |||
| this.cancel(e); | |||
| killEvent(e); | |||
| return; | |||
| } | |||
| })); | |||
| this.search.on("blur", this.bind(function(e) { | |||
| // a workaround for chrome to keep the search field focussed when the scroll bar is used to scroll the dropdown. | |||
| // without this the search field loses focus which is annoying | |||
| if (document.activeElement === this.body.get(0)) { | |||
| window.setTimeout(this.bind(function() { | |||
| if (this.opened() && this.results && this.results.length > 1) { | |||
| this.search.focus(); | |||
| } | |||
| }), 0); | |||
| } | |||
| })); | |||
| this.focusser.on("keydown", this.bind(function (e) { | |||
| if (!this.isInterfaceEnabled()) return; | |||
| if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) { | |||
| return; | |||
| } | |||
| if (this.opts.openOnEnter === false && e.which === KEY.ENTER) { | |||
| killEvent(e); | |||
| return; | |||
| } | |||
| if (e.which == KEY.DOWN || e.which == KEY.UP | |||
| || (e.which == KEY.ENTER && this.opts.openOnEnter)) { | |||
| if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) return; | |||
| this.open(); | |||
| killEvent(e); | |||
| return; | |||
| } | |||
| if (e.which == KEY.DELETE || e.which == KEY.BACKSPACE) { | |||
| if (this.opts.allowClear) { | |||
| this.clear(); | |||
| } | |||
| killEvent(e); | |||
| return; | |||
| } | |||
| })); | |||
| installKeyUpChangeEvent(this.focusser); | |||
| this.focusser.on("keyup-change input", this.bind(function(e) { | |||
| if (this.opts.minimumResultsForSearch >= 0) { | |||
| e.stopPropagation(); | |||
| if (this.opened()) return; | |||
| this.open(); | |||
| } | |||
| })); | |||
| selection.on("mousedown touchstart", "abbr", this.bind(function (e) { | |||
| if (!this.isInterfaceEnabled()) { | |||
| return; | |||
| } | |||
| this.clear(); | |||
| killEventImmediately(e); | |||
| this.close(); | |||
| if (this.selection) { | |||
| this.selection.focus(); | |||
| } | |||
| })); | |||
| selection.on("mousedown touchstart", this.bind(function (e) { | |||
| // Prevent IE from generating a click event on the body | |||
| reinsertElement(selection); | |||
| if (!this.container.hasClass("select2-container-active")) { | |||
| this.opts.element.trigger($.Event("select2-focus")); | |||
| } | |||
| if (this.opened()) { | |||
| this.close(); | |||
| } else if (this.isInterfaceEnabled()) { | |||
| this.open(); | |||
| } | |||
| killEvent(e); | |||
| })); | |||
| dropdown.on("mousedown touchstart", this.bind(function() { | |||
| if (this.opts.shouldFocusInput(this)) { | |||
| this.search.focus(); | |||
| } | |||
| })); | |||
| selection.on("focus", this.bind(function(e) { | |||
| killEvent(e); | |||
| })); | |||
| this.focusser.on("focus", this.bind(function(){ | |||
| if (!this.container.hasClass("select2-container-active")) { | |||
| this.opts.element.trigger($.Event("select2-focus")); | |||
| } | |||
| this.container.addClass("select2-container-active"); | |||
| })).on("blur", this.bind(function() { | |||
| if (!this.opened()) { | |||
| this.container.removeClass("select2-container-active"); | |||
| this.opts.element.trigger($.Event("select2-blur")); | |||
| } | |||
| })); | |||
| this.search.on("focus", this.bind(function(){ | |||
| if (!this.container.hasClass("select2-container-active")) { | |||
| this.opts.element.trigger($.Event("select2-focus")); | |||
| } | |||
| this.container.addClass("select2-container-active"); | |||
| })); | |||
| this.initContainerWidth(); | |||
| this.opts.element.hide(); | |||
| this.setPlaceholder(); | |||
| }, | |||
| // single | |||
| clear: function(triggerChange) { | |||
| var data=this.selection.data("select2-data"); | |||
| if (data) { // guard against queued quick consecutive clicks | |||
| var evt = $.Event("select2-clearing"); | |||
| this.opts.element.trigger(evt); | |||
| if (evt.isDefaultPrevented()) { | |||
| return; | |||
| } | |||
| var placeholderOption = this.getPlaceholderOption(); | |||
| this.opts.element.val(placeholderOption ? placeholderOption.val() : ""); | |||
| this.selection.find(".select2-chosen").empty(); | |||
| this.selection.removeData("select2-data"); | |||
| this.setPlaceholder(); | |||
| if (triggerChange !== false){ | |||
| this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data }); | |||
| this.triggerChange({removed:data}); | |||
| } | |||
| } | |||
| }, | |||
| /** | |||
| * Sets selection based on source element's value | |||
| */ | |||
| // single | |||
| initSelection: function () { | |||
| var selected; | |||
| if (this.isPlaceholderOptionSelected()) { | |||
| this.updateSelection(null); | |||
| this.close(); | |||
| this.setPlaceholder(); | |||
| } else { | |||
| var self = this; | |||
| this.opts.initSelection.call(null, this.opts.element, function(selected){ | |||
| if (selected !== undefined && selected !== null) { | |||
| self.updateSelection(selected); | |||
| self.close(); | |||
| self.setPlaceholder(); | |||
| self.lastSearchTerm = self.search.val(); | |||
| } | |||
| }); | |||
| } | |||
| }, | |||
| isPlaceholderOptionSelected: function() { | |||
| var placeholderOption; | |||
| if (this.getPlaceholder() === undefined) return false; // no placeholder specified so no option should be considered | |||
| return ((placeholderOption = this.getPlaceholderOption()) !== undefined && placeholderOption.prop("selected")) | |||
| || (this.opts.element.val() === "") | |||
| || (this.opts.element.val() === undefined) | |||
| || (this.opts.element.val() === null); | |||
| }, | |||
| // single | |||
| prepareOpts: function () { | |||
| var opts = this.parent.prepareOpts.apply(this, arguments), | |||
| self=this; | |||
| if (opts.element.get(0).tagName.toLowerCase() === "select") { | |||
| // install the selection initializer | |||
| opts.initSelection = function (element, callback) { | |||
| var selected = element.find("option").filter(function() { return this.selected && !this.disabled }); | |||
| // a single select box always has a value, no need to null check 'selected' | |||
| callback(self.optionToData(selected)); | |||
| }; | |||
| } else if ("data" in opts) { | |||
| // install default initSelection when applied to hidden input and data is local | |||
| opts.initSelection = opts.initSelection || function (element, callback) { | |||
| var id = element.val(); | |||
| //search in data by id, storing the actual matching item | |||
| var match = null; | |||
| opts.query({ | |||
| matcher: function(term, text, el){ | |||
| var is_match = equal(id, opts.id(el)); | |||
| if (is_match) { | |||
| match = el; | |||
| } | |||
| return is_match; | |||
| }, | |||
| callback: !$.isFunction(callback) ? $.noop : function() { | |||
| callback(match); | |||
| } | |||
| }); | |||
| }; | |||
| } | |||
| return opts; | |||
| }, | |||
| // single | |||
| getPlaceholder: function() { | |||
| // if a placeholder is specified on a single select without a valid placeholder option ignore it | |||
| if (this.select) { | |||
| if (this.getPlaceholderOption() === undefined) { | |||
| return undefined; | |||
| } | |||
| } | |||
| return this.parent.getPlaceholder.apply(this, arguments); | |||
| }, | |||
| // single | |||
| setPlaceholder: function () { | |||
| var placeholder = this.getPlaceholder(); | |||
| if (this.isPlaceholderOptionSelected() && placeholder !== undefined) { | |||
| // check for a placeholder option if attached to a select | |||
| if (this.select && this.getPlaceholderOption() === undefined) return; | |||
| this.selection.find(".select2-chosen").html(this.opts.escapeMarkup(placeholder)); | |||
| this.selection.addClass("select2-default"); | |||
| this.container.removeClass("select2-allowclear"); | |||
| } | |||
| }, | |||
| // single | |||
| postprocessResults: function (data, initial, noHighlightUpdate) { | |||
| var selected = 0, self = this, showSearchInput = true; | |||
| // find the selected element in the result list | |||
| this.findHighlightableChoices().each2(function (i, elm) { | |||
| if (equal(self.id(elm.data("select2-data")), self.opts.element.val())) { | |||
| selected = i; | |||
| return false; | |||
| } | |||
| }); | |||
| // and highlight it | |||
| if (noHighlightUpdate !== false) { | |||
| if (initial === true && selected >= 0) { | |||
| this.highlight(selected); | |||
| } else { | |||
| this.highlight(0); | |||
| } | |||
| } | |||
| // hide the search box if this is the first we got the results and there are enough of them for search | |||
| if (initial === true) { | |||
| var min = this.opts.minimumResultsForSearch; | |||
| if (min >= 0) { | |||
| this.showSearch(countResults(data.results) >= min); | |||
| } | |||
| } | |||
| }, | |||
| // single | |||
| showSearch: function(showSearchInput) { | |||
| if (this.showSearchInput === showSearchInput) return; | |||
| this.showSearchInput = showSearchInput; | |||
| this.dropdown.find(".select2-search").toggleClass("select2-search-hidden", !showSearchInput); | |||
| this.dropdown.find(".select2-search").toggleClass("select2-offscreen", !showSearchInput); | |||
| //add "select2-with-searchbox" to the container if search box is shown | |||
| $(this.dropdown, this.container).toggleClass("select2-with-searchbox", showSearchInput); | |||
| }, | |||
| // single | |||
| onSelect: function (data, options) { | |||
| if (!this.triggerSelect(data)) { return; } | |||
| var old = this.opts.element.val(), | |||
| oldData = this.data(); | |||
| this.opts.element.val(this.id(data)); | |||
| this.updateSelection(data); | |||
| this.opts.element.trigger({ type: "select2-selected", val: this.id(data), choice: data }); | |||
| this.lastSearchTerm = this.search.val(); | |||
| this.close(); | |||
| if ((!options || !options.noFocus) && this.opts.shouldFocusInput(this)) { | |||
| this.focusser.focus(); | |||
| } | |||
| if (!equal(old, this.id(data))) { | |||
| this.triggerChange({ added: data, removed: oldData }); | |||
| } | |||
| }, | |||
| // single | |||
| updateSelection: function (data) { | |||
| var container=this.selection.find(".select2-chosen"), formatted, cssClass; | |||
| this.selection.data("select2-data", data); | |||
| container.empty(); | |||
| if (data !== null) { | |||
| formatted=this.opts.formatSelection(data, container, this.opts.escapeMarkup); | |||
| } | |||
| if (formatted !== undefined) { | |||
| container.append(formatted); | |||
| } | |||
| cssClass=this.opts.formatSelectionCssClass(data, container); | |||
| if (cssClass !== undefined) { | |||
| container.addClass(cssClass); | |||
| } | |||
| this.selection.removeClass("select2-default"); | |||
| if (this.opts.allowClear && this.getPlaceholder() !== undefined) { | |||
| this.container.addClass("select2-allowclear"); | |||
| } | |||
| }, | |||
| // single | |||
| val: function () { | |||
| var val, | |||
| triggerChange = false, | |||
| data = null, | |||
| self = this, | |||
| oldData = this.data(); | |||
| if (arguments.length === 0) { | |||
| return this.opts.element.val(); | |||
| } | |||
| val = arguments[0]; | |||
| if (arguments.length > 1) { | |||
| triggerChange = arguments[1]; | |||
| if (this.opts.debug && console && console.warn) { | |||
| console.warn( | |||
| 'Select2: The second option to `select2("val")` is not supported in Select2 4.0.0. ' + | |||
| 'The `change` event will always be triggered in 4.0.0.' | |||
| ); | |||
| } | |||
| } | |||
| if (this.select) { | |||
| if (this.opts.debug && console && console.warn) { | |||
| console.warn( | |||
| 'Select2: Setting the value on a <select> using `select2("val")` is no longer supported in 4.0.0. ' + | |||
| 'You can use the `.val(newValue).trigger("change")` method provided by jQuery instead.' | |||
| ); | |||
| } | |||
| 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 (this.opts.debug && console && console.warn) { | |||
| console.warn( | |||
| 'Select2: The `select2("data")` method can no longer set selected values in 4.0.0, ' + | |||
| 'consider using the `.val()` method instead.' | |||
| ); | |||
| } | |||
| 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'>", | |||
| " <label for='' class='select2-offscreen'></label>", | |||
| " <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 the selection initializer | |||
| opts.initSelection = function (element, callback) { | |||
| var data = []; | |||
| element.find("option").filter(function() { return this.selected && !this.disabled }).each2(function (i, elm) { | |||
| data.push(self.optionToData(elm)); | |||
| }); | |||
| callback(data); | |||
| }; | |||
| } else if ("data" in opts) { | |||
| // install default initSelection when applied to hidden input and data is local | |||
| opts.initSelection = opts.initSelection || function (element, callback) { | |||
| var ids = splitVal(element.val(), opts.separator, opts.transformVal); | |||
| //search in data by array of ids, storing matching items in a list | |||
| var matches = []; | |||
| opts.query({ | |||
| matcher: function(term, text, el){ | |||
| var is_match = $.grep(ids, function(id) { | |||
| return equal(id, opts.id(el)); | |||
| }).length; | |||
| if (is_match) { | |||
| matches.push(el); | |||
| } | |||
| return is_match; | |||
| }, | |||
| callback: !$.isFunction(callback) ? $.noop : function() { | |||
| // reorder matches based on the order they appear in the ids array because right now | |||
| // they are in the order in which they appear in data array | |||
| var ordered = []; | |||
| for (var i = 0; i < ids.length; i++) { | |||
| var id = ids[i]; | |||
| for (var j = 0; j < matches.length; j++) { | |||
| var match = matches[j]; | |||
| if (equal(id, opts.id(match))) { | |||
| ordered.push(match); | |||
| matches.splice(j, 1); | |||
| break; | |||
| } | |||
| } | |||
| } | |||
| callback(ordered); | |||
| } | |||
| }); | |||
| }; | |||
| } | |||
| return opts; | |||
| }, | |||
| // multi | |||
| selectChoice: function (choice) { | |||
| var selected = this.container.find(".select2-search-choice-focus"); | |||
| if (selected.length && choice && choice[0] == selected[0]) { | |||
| } else { | |||
| if (selected.length) { | |||
| this.opts.element.trigger("choice-deselected", selected); | |||
| } | |||
| selected.removeClass("select2-search-choice-focus"); | |||
| if (choice && choice.length) { | |||
| this.close(); | |||
| choice.addClass("select2-search-choice-focus"); | |||
| this.opts.element.trigger("choice-selected", choice); | |||
| } | |||
| } | |||
| }, | |||
| // multi | |||
| destroy: function() { | |||
| $("label[for='" + this.search.attr('id') + "']") | |||
| .attr('for', this.opts.element.attr("id")); | |||
| this.parent.destroy.apply(this, arguments); | |||
| cleanupJQueryElements.call(this, | |||
| "searchContainer", | |||
| "selection" | |||
| ); | |||
| }, | |||
| // multi | |||
| initContainer: function () { | |||
| var selector = ".select2-choices", selection; | |||
| this.searchContainer = this.container.find(".select2-search-field"); | |||
| this.selection = selection = this.container.find(selector); | |||
| var _this = this; | |||
| this.selection.on("click", ".select2-container:not(.select2-container-disabled) .select2-search-choice:not(.select2-locked)", function (e) { | |||
| _this.search[0].focus(); | |||
| _this.selectChoice($(this)); | |||
| }); | |||
| // rewrite labels from original element to focusser | |||
| this.search.attr("id", "s2id_autogen"+nextUid()); | |||
| this.search.prev() | |||
| .text($("label[for='" + this.opts.element.attr("id") + "']").text()) | |||
| .attr('for', this.search.attr('id')); | |||
| this.opts.element.on('focus.select2', this.bind(function () { this.focus(); })); | |||
| this.search.on("input paste", this.bind(function() { | |||
| if (this.search.attr('placeholder') && this.search.val().length == 0) return; | |||
| if (!this.isInterfaceEnabled()) return; | |||
| if (!this.opened()) { | |||
| this.open(); | |||
| } | |||
| })); | |||
| this.search.attr("tabindex", this.elementTabIndex); | |||
| this.keydowns = 0; | |||
| this.search.on("keydown", this.bind(function (e) { | |||
| if (!this.isInterfaceEnabled()) return; | |||
| ++this.keydowns; | |||
| var selected = selection.find(".select2-search-choice-focus"); | |||
| var prev = selected.prev(".select2-search-choice:not(.select2-locked)"); | |||
| var next = selected.next(".select2-search-choice:not(.select2-locked)"); | |||
| var pos = getCursorInfo(this.search); | |||
| if (selected.length && | |||
| (e.which == KEY.LEFT || e.which == KEY.RIGHT || e.which == KEY.BACKSPACE || e.which == KEY.DELETE || e.which == KEY.ENTER)) { | |||
| var selectedChoice = selected; | |||
| if (e.which == KEY.LEFT && prev.length) { | |||
| selectedChoice = prev; | |||
| } | |||
| else if (e.which == KEY.RIGHT) { | |||
| selectedChoice = next.length ? next : null; | |||
| } | |||
| else if (e.which === KEY.BACKSPACE) { | |||
| if (this.unselect(selected.first())) { | |||
| this.search.width(10); | |||
| selectedChoice = prev.length ? prev : next; | |||
| } | |||
| } else if (e.which == KEY.DELETE) { | |||
| if (this.unselect(selected.first())) { | |||
| this.search.width(10); | |||
| selectedChoice = next.length ? next : null; | |||
| } | |||
| } else if (e.which == KEY.ENTER) { | |||
| selectedChoice = null; | |||
| } | |||
| this.selectChoice(selectedChoice); | |||
| killEvent(e); | |||
| if (!selectedChoice || !selectedChoice.length) { | |||
| this.open(); | |||
| } | |||
| return; | |||
| } else if (((e.which === KEY.BACKSPACE && this.keydowns == 1) | |||
| || e.which == KEY.LEFT) && (pos.offset == 0 && !pos.length)) { | |||
| this.selectChoice(selection.find(".select2-search-choice:not(.select2-locked)").last()); | |||
| killEvent(e); | |||
| return; | |||
| } else { | |||
| this.selectChoice(null); | |||
| } | |||
| if (this.opened()) { | |||
| switch (e.which) { | |||
| case KEY.UP: | |||
| case KEY.DOWN: | |||
| this.moveHighlight((e.which === KEY.UP) ? -1 : 1); | |||
| killEvent(e); | |||
| return; | |||
| case KEY.ENTER: | |||
| this.selectHighlighted(); | |||
| killEvent(e); | |||
| return; | |||
| case KEY.TAB: | |||
| this.selectHighlighted({noFocus:true}); | |||
| this.close(); | |||
| return; | |||
| case KEY.ESC: | |||
| this.cancel(e); | |||
| killEvent(e); | |||
| return; | |||
| } | |||
| } | |||
| if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) | |||
| || e.which === KEY.BACKSPACE || e.which === KEY.ESC) { | |||
| return; | |||
| } | |||
| if (e.which === KEY.ENTER) { | |||
| if (this.opts.openOnEnter === false) { | |||
| return; | |||
| } else if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) { | |||
| return; | |||
| } | |||
| } | |||
| this.open(); | |||
| if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) { | |||
| // prevent the page from scrolling | |||
| killEvent(e); | |||
| } | |||
| if (e.which === KEY.ENTER) { | |||
| // prevent form from being submitted | |||
| killEvent(e); | |||
| } | |||
| })); | |||
| this.search.on("keyup", this.bind(function (e) { | |||
| this.keydowns = 0; | |||
| this.resizeSearch(); | |||
| }) | |||
| ); | |||
| this.search.on("blur", this.bind(function(e) { | |||
| this.container.removeClass("select2-container-active"); | |||
| this.search.removeClass("select2-focused"); | |||
| this.selectChoice(null); | |||
| if (!this.opened()) this.clearSearch(); | |||
| e.stopImmediatePropagation(); | |||
| this.opts.element.trigger($.Event("select2-blur")); | |||
| })); | |||
| this.container.on("click", selector, this.bind(function (e) { | |||
| if (!this.isInterfaceEnabled()) return; | |||
| if ($(e.target).closest(".select2-search-choice").length > 0) { | |||
| // clicked inside a select2 search choice, do not open | |||
| return; | |||
| } | |||
| this.selectChoice(null); | |||
| this.clearPlaceholder(); | |||
| if (!this.container.hasClass("select2-container-active")) { | |||
| this.opts.element.trigger($.Event("select2-focus")); | |||
| } | |||
| this.open(); | |||
| this.focusSearch(); | |||
| e.preventDefault(); | |||
| })); | |||
| this.container.on("focus", selector, this.bind(function () { | |||
| if (!this.isInterfaceEnabled()) return; | |||
| if (!this.container.hasClass("select2-container-active")) { | |||
| this.opts.element.trigger($.Event("select2-focus")); | |||
| } | |||
| this.container.addClass("select2-container-active"); | |||
| this.dropdown.addClass("select2-drop-active"); | |||
| this.clearPlaceholder(); | |||
| })); | |||
| this.initContainerWidth(); | |||
| this.opts.element.hide(); | |||
| // set the placeholder if necessary | |||
| this.clearSearch(); | |||
| }, | |||
| // multi | |||
| enableInterface: function() { | |||
| if (this.parent.enableInterface.apply(this, arguments)) { | |||
| this.search.prop("disabled", !this.isInterfaceEnabled()); | |||
| } | |||
| }, | |||
| // multi | |||
| initSelection: function () { | |||
| var data; | |||
| if (this.opts.element.val() === "" && this.opts.element.text() === "") { | |||
| this.updateSelection([]); | |||
| this.close(); | |||
| // set the placeholder if necessary | |||
| this.clearSearch(); | |||
| } | |||
| if (this.select || this.opts.element.val() !== "") { | |||
| var self = this; | |||
| this.opts.initSelection.call(null, this.opts.element, function(data){ | |||
| if (data !== undefined && data !== null) { | |||
| self.updateSelection(data); | |||
| self.close(); | |||
| // set the placeholder if necessary | |||
| self.clearSearch(); | |||
| } | |||
| }); | |||
| } | |||
| }, | |||
| // multi | |||
| clearSearch: function () { | |||
| var placeholder = this.getPlaceholder(), | |||
| maxWidth = this.getMaxSearchWidth(); | |||
| if (placeholder !== undefined && this.getVal().length === 0 && this.search.hasClass("select2-focused") === false) { | |||
| this.search.val(placeholder).addClass("select2-default"); | |||
| // stretch the search box to full width of the container so as much of the placeholder is visible as possible | |||
| // we could call this.resizeSearch(), but we do not because that requires a sizer and we do not want to create one so early because of a firefox bug, see #944 | |||
| this.search.width(maxWidth > 0 ? maxWidth : this.container.css("width")); | |||
| } else { | |||
| this.search.val("").width(10); | |||
| } | |||
| }, | |||
| // multi | |||
| clearPlaceholder: function () { | |||
| if (this.search.hasClass("select2-default")) { | |||
| this.search.val("").removeClass("select2-default"); | |||
| } | |||
| }, | |||
| // multi | |||
| opening: function () { | |||
| this.clearPlaceholder(); // should be done before super so placeholder is not used to search | |||
| this.resizeSearch(); | |||
| this.parent.opening.apply(this, arguments); | |||
| this.focusSearch(); | |||
| this.prefillNextSearchTerm(); | |||
| this.updateResults(true); | |||
| if (this.opts.shouldFocusInput(this)) { | |||
| this.search.focus(); | |||
| } | |||
| this.opts.element.trigger($.Event("select2-open")); | |||
| }, | |||
| // multi | |||
| close: function () { | |||
| if (!this.opened()) return; | |||
| this.parent.close.apply(this, arguments); | |||
| }, | |||
| // multi | |||
| focus: function () { | |||
| this.close(); | |||
| this.search.focus(); | |||
| }, | |||
| // multi | |||
| isFocused: function () { | |||
| return this.search.hasClass("select2-focused"); | |||
| }, | |||
| // multi | |||
| updateSelection: function (data) { | |||
| var ids = {}, filtered = [], self = this; | |||
| // filter out duplicates | |||
| $(data).each(function () { | |||
| if (!(self.id(this) in ids)) { | |||
| ids[self.id(this)] = 0; | |||
| filtered.push(this); | |||
| } | |||
| }); | |||
| this.selection.find(".select2-search-choice").remove(); | |||
| this.addSelectedChoice(filtered); | |||
| self.postprocessResults(); | |||
| }, | |||
| // multi | |||
| tokenize: function() { | |||
| var input = this.search.val(); | |||
| input = this.opts.tokenizer.call(this, input, this.data(), this.bind(this.onSelect), this.opts); | |||
| if (input != null && input != undefined) { | |||
| this.search.val(input); | |||
| if (input.length > 0) { | |||
| this.open(); | |||
| } | |||
| } | |||
| }, | |||
| // multi | |||
| onSelect: function (data, options) { | |||
| if (!this.triggerSelect(data) || data.text === "") { return; } | |||
| this.addSelectedChoice(data); | |||
| this.opts.element.trigger({ type: "selected", val: this.id(data), choice: data }); | |||
| // keep track of the search's value before it gets cleared | |||
| this.lastSearchTerm = this.search.val(); | |||
| this.clearSearch(); | |||
| this.updateResults(); | |||
| if (this.select || !this.opts.closeOnSelect) this.postprocessResults(data, false, this.opts.closeOnSelect===true); | |||
| if (this.opts.closeOnSelect) { | |||
| this.close(); | |||
| this.search.width(10); | |||
| } else { | |||
| if (this.countSelectableResults()>0) { | |||
| this.search.width(10); | |||
| this.resizeSearch(); | |||
| if (this.getMaximumSelectionSize() > 0 && this.val().length >= this.getMaximumSelectionSize()) { | |||
| // if we reached max selection size repaint the results so choices | |||
| // are replaced with the max selection reached message | |||
| this.updateResults(true); | |||
| } else { | |||
| // initializes search's value with nextSearchTerm and update search result | |||
| if (this.prefillNextSearchTerm()) { | |||
| this.updateResults(); | |||
| } | |||
| } | |||
| 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 val = this.getVal(), self = this; | |||
| $(data).each(function () { | |||
| val.push(self.createChoice(this)); | |||
| }); | |||
| this.setVal(val); | |||
| }, | |||
| createChoice: function (data) { | |||
| var enableChoice = !data.locked, | |||
| enabledItem = $( | |||
| "<li class='select2-search-choice'>" + | |||
| " <div></div>" + | |||
| " <a href='#' class='select2-search-choice-close' tabindex='-1'></a>" + | |||
| "</li>"), | |||
| disabledItem = $( | |||
| "<li class='select2-search-choice select2-locked'>" + | |||
| "<div></div>" + | |||
| "</li>"); | |||
| var choice = enableChoice ? enabledItem : disabledItem, | |||
| id = this.id(data), | |||
| formatted, | |||
| cssClass; | |||
| formatted=this.opts.formatSelection(data, choice.find("div"), this.opts.escapeMarkup); | |||
| if (formatted != undefined) { | |||
| choice.find("div").replaceWith($("<div></div>").html(formatted)); | |||
| } | |||
| cssClass=this.opts.formatSelectionCssClass(data, choice.find("div")); | |||
| if (cssClass != undefined) { | |||
| choice.addClass(cssClass); | |||
| } | |||
| if(enableChoice){ | |||
| choice.find(".select2-search-choice-close") | |||
| .on("mousedown", killEvent) | |||
| .on("click dblclick", this.bind(function (e) { | |||
| if (!this.isInterfaceEnabled()) return; | |||
| this.unselect($(e.target)); | |||
| this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus"); | |||
| killEvent(e); | |||
| this.close(); | |||
| this.focusSearch(); | |||
| })).on("focus", this.bind(function () { | |||
| if (!this.isInterfaceEnabled()) return; | |||
| this.container.addClass("select2-container-active"); | |||
| this.dropdown.addClass("select2-drop-active"); | |||
| })); | |||
| } | |||
| choice.data("select2-data", data); | |||
| choice.insertBefore(this.searchContainer); | |||
| return id; | |||
| }, | |||
| // multi | |||
| unselect: function (selected) { | |||
| var val = this.getVal(), | |||
| data, | |||
| index; | |||
| selected = selected.closest(".select2-search-choice"); | |||
| if (selected.length === 0) { | |||
| throw "Invalid argument: " + selected + ". Must be .select2-search-choice"; | |||
| } | |||
| data = selected.data("select2-data"); | |||
| if (!data) { | |||
| // prevent a race condition when the 'x' is clicked really fast repeatedly the event can be queued | |||
| // and invoked on an element already removed | |||
| return; | |||
| } | |||
| var evt = $.Event("select2-removing"); | |||
| evt.val = this.id(data); | |||
| evt.choice = data; | |||
| this.opts.element.trigger(evt); | |||
| if (evt.isDefaultPrevented()) { | |||
| return false; | |||
| } | |||
| while((index = indexOf(this.id(data), val)) >= 0) { | |||
| val.splice(index, 1); | |||
| this.setVal(val); | |||
| if (this.select) this.postprocessResults(); | |||
| } | |||
| selected.remove(); | |||
| this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data }); | |||
| this.triggerChange({ removed: data }); | |||
| return true; | |||
| }, | |||
| // multi | |||
| postprocessResults: function (data, initial, noHighlightUpdate) { | |||
| var val = this.getVal(), | |||
| choices = this.results.find(".select2-result"), | |||
| compound = this.results.find(".select2-result-with-children"), | |||
| self = this; | |||
| choices.each2(function (i, choice) { | |||
| var id = self.id(choice.data("select2-data")); | |||
| if (indexOf(id, val) >= 0) { | |||
| choice.addClass("select2-selected"); | |||
| // mark all children of the selected parent as selected | |||
| choice.find(".select2-result-selectable").addClass("select2-selected"); | |||
| } | |||
| }); | |||
| compound.each2(function(i, choice) { | |||
| // hide an optgroup if it doesn't have any selectable children | |||
| if (!choice.is('.select2-result-selectable') | |||
| && choice.find(".select2-result-selectable:not(.select2-selected)").length === 0) { | |||
| choice.addClass("select2-selected"); | |||
| } | |||
| }); | |||
| if (this.highlight() == -1 && noHighlightUpdate !== false && this.opts.closeOnSelect === true){ | |||
| self.highlight(0); | |||
| } | |||
| //If all results are chosen render formatNoMatches | |||
| if(!this.opts.createSearchChoice && !choices.filter('.select2-result:not(.select2-selected)').length > 0){ | |||
| if(!data || data && !data.more && this.results.find(".select2-no-results").length === 0) { | |||
| if (checkFormatter(self.opts.formatNoMatches, "formatNoMatches")) { | |||
| this.results.append("<li class='select2-no-results'>" + evaluate(self.opts.formatNoMatches, self.opts.element, 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, this.opts.transformVal); | |||
| } | |||
| }, | |||
| // multi | |||
| setVal: function (val) { | |||
| if (this.select) { | |||
| this.select.val(val); | |||
| } else { | |||
| var unique = [], valMap = {}; | |||
| // filter out duplicates | |||
| $(val).each(function () { | |||
| if (!(this in valMap)) { | |||
| unique.push(this); | |||
| valMap[this] = 0; | |||
| } | |||
| }); | |||
| this.opts.element.val(unique.length === 0 ? "" : unique.join(this.opts.separator)); | |||
| } | |||
| }, | |||
| // multi | |||
| buildChangeDetails: function (old, current) { | |||
| var current = current.slice(0), | |||
| old = old.slice(0); | |||
| // remove intersection from each array | |||
| for (var i = 0; i < current.length; i++) { | |||
| for (var j = 0; j < old.length; j++) { | |||
| if (equal(this.opts.id(current[i]), this.opts.id(old[j]))) { | |||
| current.splice(i, 1); | |||
| i--; | |||
| old.splice(j, 1); | |||
| break; | |||
| } | |||
| } | |||
| } | |||
| return {added: current, removed: old}; | |||
| }, | |||
| // multi | |||
| val: function (val, triggerChange) { | |||
| var oldData, self=this; | |||
| if (arguments.length === 0) { | |||
| return this.getVal(); | |||
| } | |||
| oldData=this.data(); | |||
| if (!oldData.length) oldData=[]; | |||
| // val is an id. !val is true for [undefined,null,'',0] - 0 is legal | |||
| if (!val && val !== 0) { | |||
| this.opts.element.val(""); | |||
| this.updateSelection([]); | |||
| this.clearSearch(); | |||
| if (triggerChange) { | |||
| this.triggerChange({added: this.data(), removed: oldData}); | |||
| } | |||
| return; | |||
| } | |||
| // val is a list of ids | |||
| this.setVal(val); | |||
| if (this.select) { | |||
| this.opts.initSelection(this.select, this.bind(this.updateSelection)); | |||
| if (triggerChange) { | |||
| this.triggerChange(this.buildChangeDetails(oldData, this.data())); | |||
| } | |||
| } else { | |||
| if (this.opts.initSelection === undefined) { | |||
| throw new Error("val() cannot be called if initSelection() is not defined"); | |||
| } | |||
| this.opts.initSelection(this.opts.element, function(data){ | |||
| var ids=$.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 | |||
| .children(".select2-search-choice") | |||
| .map(function() { return $(this).data("select2-data"); }) | |||
| .get(); | |||
| } else { | |||
| old = this.data(); | |||
| if (!values) { values = []; } | |||
| ids = $.map(values, function(e) { return self.opts.id(e); }); | |||
| this.setVal(ids); | |||
| this.updateSelection(values); | |||
| this.clearSearch(); | |||
| if (triggerChange) { | |||
| this.triggerChange(this.buildChangeDetails(old, this.data())); | |||
| } | |||
| } | |||
| } | |||
| }); | |||
| $.fn.select2 = function () { | |||
| var args = Array.prototype.slice.call(arguments, 0), | |||
| opts, | |||
| select2, | |||
| method, value, multiple, | |||
| allowedMethods = ["val", "destroy", "opened", "open", "close", "focus", "isFocused", "container", "dropdown", "onSortStart", "onSortEnd", "enable", "disable", "readonly", "positionDropdown", "data", "search"], | |||
| valueMethods = ["opened", "isFocused", "container", "dropdown"], | |||
| propertyMethods = ["val", "data"], | |||
| methodsMap = { search: "externalSearch" }; | |||
| this.each(function () { | |||
| if (args.length === 0 || typeof(args[0]) === "object") { | |||
| opts = args.length === 0 ? {} : $.extend({}, args[0]); | |||
| opts.element = $(this); | |||
| if (opts.element.get(0).tagName.toLowerCase() === "select") { | |||
| multiple = opts.element.prop("multiple"); | |||
| } else { | |||
| multiple = opts.multiple || false; | |||
| if ("tags" in opts) {opts.multiple = multiple = true;} | |||
| } | |||
| select2 = multiple ? new window.Select2["class"].multi() : new window.Select2["class"].single(); | |||
| select2.init(opts); | |||
| } else if (typeof(args[0]) === "string") { | |||
| if (indexOf(args[0], allowedMethods) < 0) { | |||
| throw "Unknown method: " + args[0]; | |||
| } | |||
| value = undefined; | |||
| select2 = $(this).data("select2"); | |||
| if (select2 === undefined) return; | |||
| method=args[0]; | |||
| if (method === "container") { | |||
| value = select2.container; | |||
| } else if (method === "dropdown") { | |||
| value = select2.dropdown; | |||
| } else { | |||
| if (methodsMap[method]) method = methodsMap[method]; | |||
| value = select2[method].apply(select2, args.slice(1)); | |||
| } | |||
| if (indexOf(args[0], valueMethods) >= 0 | |||
| || (indexOf(args[0], propertyMethods) >= 0 && args.length == 1)) { | |||
| return false; // abort the iteration, ready to return first matched value | |||
| } | |||
| } else { | |||
| throw "Invalid arguments to select2 plugin: " + args; | |||
| } | |||
| }); | |||
| return (value === undefined) ? this : value; | |||
| }; | |||
| // plugin defaults, accessible to users | |||
| $.fn.select2.defaults = { | |||
| debug: false, | |||
| width: "copy", | |||
| loadMorePadding: 0, | |||
| closeOnSelect: true, | |||
| openOnEnter: true, | |||
| containerCss: {}, | |||
| dropdownCss: {}, | |||
| containerCssClass: "", | |||
| dropdownCssClass: "", | |||
| formatResult: function(result, container, query, escapeMarkup) { | |||
| var markup=[]; | |||
| markMatch(this.text(result), query.term, markup, escapeMarkup); | |||
| return markup.join(""); | |||
| }, | |||
| transformVal: function(val) { | |||
| return $.trim(val); | |||
| }, | |||
| formatSelection: function (data, container, escapeMarkup) { | |||
| return data ? escapeMarkup(this.text(data)) : undefined; | |||
| }, | |||
| sortResults: function (results, container, query) { | |||
| return results; | |||
| }, | |||
| formatResultCssClass: function(data) {return data.css;}, | |||
| formatSelectionCssClass: function(data, container) {return undefined;}, | |||
| minimumResultsForSearch: 0, | |||
| minimumInputLength: 0, | |||
| maximumInputLength: null, | |||
| maximumSelectionSize: 0, | |||
| id: function (e) { return e == undefined ? null : e.id; }, | |||
| text: function (e) { | |||
| if (e && this.data && this.data.text) { | |||
| if ($.isFunction(this.data.text)) { | |||
| return this.data.text(e); | |||
| } else { | |||
| return e[this.data.text]; | |||
| } | |||
| } else { | |||
| return e.text; | |||
| } | |||
| }, | |||
| matcher: function(term, text) { | |||
| return stripDiacritics(''+text).toUpperCase().indexOf(stripDiacritics(''+term).toUpperCase()) >= 0; | |||
| }, | |||
| separator: ",", | |||
| tokenSeparators: [], | |||
| tokenizer: defaultTokenizer, | |||
| escapeMarkup: defaultEscapeMarkup, | |||
| blurOnChange: false, | |||
| selectOnBlur: false, | |||
| adaptContainerCssClass: function(c) { return c; }, | |||
| adaptDropdownCssClass: function(c) { return null; }, | |||
| nextSearchTerm: function(selectedObject, currentSearchTerm) { return undefined; }, | |||
| searchInputPlaceholder: '', | |||
| createSearchChoicePosition: 'top', | |||
| shouldFocusInput: function (instance) { | |||
| // Attempt to detect touch devices | |||
| var supportsTouchEvents = (('ontouchstart' in window) || | |||
| (navigator.msMaxTouchPoints > 0)); | |||
| // Only devices which support touch events should be special cased | |||
| if (!supportsTouchEvents) { | |||
| return true; | |||
| } | |||
| // Never focus the input if search is disabled | |||
| if (instance.opts.minimumResultsForSearch < 0) { | |||
| return false; | |||
| } | |||
| return true; | |||
| } | |||
| }; | |||
| $.fn.select2.locales = []; | |||
| $.fn.select2.locales['en'] = { | |||
| formatMatches: function (matches) { if (matches === 1) { return "One result is available, press enter to select it."; } return matches + " results are available, use up and down arrow keys to navigate."; }, | |||
| formatNoMatches: function () { return "No matches found"; }, | |||
| formatAjaxError: function (jqXHR, textStatus, errorThrown) { return "Loading failed"; }, | |||
| formatInputTooShort: function (input, min) { var n = min - input.length; return "Please enter " + n + " or more character" + (n == 1 ? "" : "s"); }, | |||
| formatInputTooLong: function (input, max) { var n = input.length - max; return "Please delete " + n + " character" + (n == 1 ? "" : "s"); }, | |||
| formatSelectionTooBig: function (limit) { return "You can only select " + limit + " item" + (limit == 1 ? "" : "s"); }, | |||
| formatLoadMore: function (pageNumber) { return "Loading more results…"; }, | |||
| formatSearching: function () { return "Searching…"; } | |||
| }; | |||
| $.extend($.fn.select2.defaults, $.fn.select2.locales['en']); | |||
| $.fn.select2.ajaxDefaults = { | |||
| transport: $.ajax, | |||
| params: { | |||
| type: "GET", | |||
| cache: false, | |||
| dataType: "json" | |||
| } | |||
| }; | |||
| // exports | |||
| window.Select2 = { | |||
| query: { | |||
| ajax: ajax, | |||
| local: local, | |||
| tags: tags | |||
| }, util: { | |||
| debounce: debounce, | |||
| markMatch: markMatch, | |||
| escapeMarkup: defaultEscapeMarkup, | |||
| stripDiacritics: stripDiacritics | |||
| }, "class": { | |||
| "abstract": AbstractSelect2, | |||
| "single": SingleSelect2, | |||
| "multi": MultiSelect2 | |||
| } | |||
| }; | |||
| }(jQuery)); |
