select2.js
3481 lines
| 142.7 KiB
| application/javascript
|
JavascriptLexer
Bradley M. Kuhn
|
r4128 | /* | ||
| Copyright 2012 Igor Vaynberg | ||||
| Version: 3.5.0 Timestamp: Mon Jun 16 19:29:44 EDT 2014 | ||||
| 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 KEY, AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer, | ||||
| lastMousePosition={x:0,y:0}, $document, scrollBarDimensions, | ||||
| KEY = { | ||||
| TAB: 9, | ||||
| ENTER: 13, | ||||
| ESC: 27, | ||||
| SPACE: 32, | ||||
| LEFT: 37, | ||||
| UP: 38, | ||||
| RIGHT: 39, | ||||
| DOWN: 40, | ||||
| SHIFT: 16, | ||||
| CTRL: 17, | ||||
| ALT: 18, | ||||
| PAGE_UP: 33, | ||||
| PAGE_DOWN: 34, | ||||
| HOME: 36, | ||||
| END: 35, | ||||
| BACKSPACE: 8, | ||||
| DELETE: 46, | ||||
| isArrow: function (k) { | ||||
| k = k.which ? k.which : k; | ||||
| switch (k) { | ||||
| case KEY.LEFT: | ||||
| case KEY.RIGHT: | ||||
| case KEY.UP: | ||||
| case KEY.DOWN: | ||||
| return true; | ||||
| } | ||||
| return false; | ||||
| }, | ||||
| isControl: function (e) { | ||||
| var k = e.which; | ||||
| switch (k) { | ||||
| case KEY.SHIFT: | ||||
| case KEY.CTRL: | ||||
| case KEY.ALT: | ||||
| return true; | ||||
| } | ||||
| if (e.metaKey) return true; | ||||
| return false; | ||||
| }, | ||||
| isFunctionKey: function (k) { | ||||
| k = k.which ? k.which : k; | ||||
| return k >= 112 && k <= 123; | ||||
| } | ||||
| }, | ||||
| MEASURE_SCROLLBAR_TEMPLATE = "<div class='select2-measure-scrollbar'></div>", | ||||
| DIACRITICS = 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| ||||
| $document = $(document); | ||||
| nextUid=(function() { var counter=1; return function() { return counter++; }; }()); | ||||
| function 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('body'); | ||||
| var dim = { | ||||
| width: $template.width() - $template[0].clientWidth, | ||||
| height: $template.height() - $template[0].clientHeight | ||||
| }; | ||||
| $template.remove(); | ||||
| return dim; | ||||
| } | ||||
| /** | ||||
| * Compares equality of a and b | ||||
| * @param a | ||||
| * @param b | ||||
| */ | ||||
| function equal(a, b) { | ||||
| if (a === b) return true; | ||||
| if (a === undefined || b === undefined) return false; | ||||
| if (a === null || b === null) return false; | ||||
| // Check whether 'a' or 'b' is a string (primitive or object). | ||||
| // The concatenation of an empty string (+'') converts its argument to a string's primitive. | ||||
| if (a.constructor === String) return a+'' === b+''; // a+'' - in case 'a' is a String object | ||||
| if (b.constructor === String) return b+'' === a+''; // b+'' - in case 'b' is a String object | ||||
| return false; | ||||
| } | ||||
| /** | ||||
| * Splits the string into an array of values, trimming each value. An empty array is returned for nulls or empty | ||||
| * strings | ||||
| * @param string | ||||
| * @param separator | ||||
| */ | ||||
| function splitVal(string, separator) { | ||||
| var val, i, l; | ||||
| if (string === null || string.length < 1) return []; | ||||
| val = string.split(separator); | ||||
| for (i = 0, l = val.length; i < l; i = i + 1) val[i] = $.trim(val[i]); | ||||
| return val; | ||||
| } | ||||
| function getSideBorderPadding(element) { | ||||
| return element.outerWidth(false) - element.width(); | ||||
| } | ||||
| function installKeyUpChangeEvent(element) { | ||||
| var key="keyup-change-value"; | ||||
| element.on("keydown", function () { | ||||
| if ($.data(element, key) === undefined) { | ||||
| $.data(element, key, element.val()); | ||||
| } | ||||
| }); | ||||
| element.on("keyup", function () { | ||||
| var val= $.data(element, key); | ||||
| if (val !== undefined && element.val() !== val) { | ||||
| $.removeData(element, key); | ||||
| element.trigger("keyup-change"); | ||||
| } | ||||
| }); | ||||
| } | ||||
| /** | ||||
| * 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"); | ||||
| $("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); | ||||
| } | ||||
| } | ||||
| $.extend(params, { | ||||
| url: url, | ||||
| dataType: options.dataType, | ||||
| data: data, | ||||
| success: function (data) { | ||||
| // TODO - replace query.page with query so users have access to term, page, etc. | ||||
| // added query as third paramter to keep backwards compatibility | ||||
| var results = options.results(data, query.page, query); | ||||
| query.callback(results); | ||||
| } | ||||
| }); | ||||
| handler = transport.call(self, params); | ||||
| }, quietMillis); | ||||
| }; | ||||
| } | ||||
| /** | ||||
| * Produces a query function that works with a local array | ||||
| * | ||||
| * @param options object containing configuration parameters. The options parameter can either be an array or an | ||||
| * object. | ||||
| * | ||||
| * If the array form is used it is assumed that it contains objects with 'id' and 'text' keys. | ||||
| * | ||||
| * If the object form is used it is assumed that it contains 'data' and 'text' keys. The 'data' key should contain | ||||
| * an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text' | ||||
| * key can either be a String in which case it is expected that each element in the 'data' array has a key with the | ||||
| * value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract | ||||
| * the text. | ||||
| */ | ||||
| function local(options) { | ||||
| var data = options, // data elements | ||||
| dataText, | ||||
| tmp, | ||||
| text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search | ||||
| if ($.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 = $("<span>", { | ||||
| role: "status", | ||||
| "aria-live": "polite" | ||||
| }) | ||||
| .addClass("select2-hidden-accessible") | ||||
| .appendTo(document.body); | ||||
| this.containerId="s2id_"+(opts.element.attr("id") || "autogen"+nextUid()); | ||||
| this.containerEventName= this.containerId | ||||
| .replace(/([.])/g, '_') | ||||
| .replace(/([;&,\-\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1'); | ||||
| this.container.attr("id", this.containerId); | ||||
| this.container.attr("title", opts.element.attr("title")); | ||||
| this.body = $("body"); | ||||
| syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass); | ||||
| this.container.attr("style", opts.element.attr("style")); | ||||
| this.container.css(evaluate(opts.containerCss, this.opts.element)); | ||||
| this.container.addClass(evaluate(opts.containerCssClass, this.opts.element)); | ||||
| this.elementTabIndex = this.opts.element.attr("tabindex"); | ||||
| // swap container for the element | ||||
| this.opts.element | ||||
| .data("select2", this) | ||||
| .attr("tabindex", "-1") | ||||
| .before(this.container) | ||||
| .on("click.select2", killEvent); // do not leak click events | ||||
| this.container.data("select2", this); | ||||
| this.dropdown = this.container.find(".select2-drop"); | ||||
| syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass); | ||||
| this.dropdown.addClass(evaluate(opts.dropdownCssClass, this.opts.element)); | ||||
| this.dropdown.data("select2", this); | ||||
| this.dropdown.on("click", killEvent); | ||||
| this.results = results = this.container.find(resultsSelector); | ||||
| this.search = search = this.container.find("input.select2-input"); | ||||
| this.queryCount = 0; | ||||
| this.resultsPage = 0; | ||||
| this.context = null; | ||||
| // initialize the container | ||||
| this.initContainer(); | ||||
| this.container.on("click", killEvent); | ||||
| installFilteredMouseMove(this.results); | ||||
| this.dropdown.on("mousemove-filtered", resultsSelector, this.bind(this.highlightUnderEvent)); | ||||
| this.dropdown.on("touchstart touchmove touchend", resultsSelector, this.bind(function (event) { | ||||
| this._touchEvent = true; | ||||
| this.highlightUnderEvent(event); | ||||
| })); | ||||
| this.dropdown.on("touchmove", resultsSelector, this.bind(this.touchMoved)); | ||||
| this.dropdown.on("touchstart touchend", resultsSelector, this.bind(this.clearTouchMoved)); | ||||
| // Waiting for a click event on touch devices to select option and hide dropdown | ||||
| // otherwise click will be triggered on an underlying element | ||||
| this.dropdown.on('click', this.bind(function (event) { | ||||
| if (this._touchEvent) { | ||||
| this._touchEvent = false; | ||||
| this.selectHighlighted(); | ||||
| } | ||||
| })); | ||||
| installDebouncedScroll(80, this.results); | ||||
| this.dropdown.on("scroll-debounced", resultsSelector, this.bind(this.loadMoreIfNeeded)); | ||||
| // do not propagate change event from the search field out of the component | ||||
| $(this.container).on("change", ".select2-input", function(e) {e.stopPropagation();}); | ||||
| $(this.dropdown).on("change", ".select2-input", function(e) {e.stopPropagation();}); | ||||
| // if jquery.mousewheel plugin is installed we can prevent out-of-bounds scrolling of results via mousewheel | ||||
| if ($.fn.mousewheel) { | ||||
| results.mousewheel(function (e, delta, deltaX, deltaY) { | ||||
| var top = results.scrollTop(); | ||||
| if (deltaY > 0 && top - deltaY <= 0) { | ||||
| results.scrollTop(0); | ||||
| killEvent(e); | ||||
| } else if (deltaY < 0 && results.get(0).scrollHeight - results.scrollTop() + deltaY <= results.height()) { | ||||
| results.scrollTop(results.get(0).scrollHeight - results.height()); | ||||
| killEvent(e); | ||||
| } | ||||
| }); | ||||
| } | ||||
| installKeyUpChangeEvent(search); | ||||
| search.on("keyup-change input paste", this.bind(this.updateResults)); | ||||
| search.on("focus", function () { search.addClass("select2-focused"); }); | ||||
| search.on("blur", function () { search.removeClass("select2-focused");}); | ||||
| this.dropdown.on("mouseup", resultsSelector, this.bind(function (e) { | ||||
| if ($(e.target).closest(".select2-result-selectable").length > 0) { | ||||
| this.highlightUnderEvent(e); | ||||
| this.selectHighlighted(e); | ||||
| } | ||||
| })); | ||||
| // trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening | ||||
| // for mouse events outside of itself so it can close itself. since the dropdown is now outside the select2's | ||||
| // dom it will trigger the popup close, which is not what we want | ||||
| // focusin can cause focus wars between modals and select2 since the dropdown is outside the modal. | ||||
| this.dropdown.on("click mouseup mousedown touchstart touchend focusin", function (e) { e.stopPropagation(); }); | ||||
| this.nextSearchTerm = undefined; | ||||
| if ($.isFunction(this.opts.initSelection)) { | ||||
| // initialize selection based on the current value of the source element | ||||
| this.initSelection(); | ||||
| // if the user has provided a function that can set selection based on the value of the source element | ||||
| // we monitor the change event on the element and trigger it, allowing for two way synchronization | ||||
| this.monitorSource(); | ||||
| } | ||||
| if (opts.maximumInputLength !== null) { | ||||
| this.search.attr("maxlength", opts.maximumInputLength); | ||||
| } | ||||
| var disabled = opts.element.prop("disabled"); | ||||
| if (disabled === undefined) disabled = false; | ||||
| this.enable(!disabled); | ||||
| var readonly = opts.element.prop("readonly"); | ||||
| if (readonly === undefined) readonly = false; | ||||
| this.readonly(readonly); | ||||
| // Calculate size of scrollbar | ||||
| scrollBarDimensions = scrollBarDimensions || measureScrollbar(); | ||||
| this.autofocus = opts.element.prop("autofocus"); | ||||
| opts.element.prop("autofocus", false); | ||||
| if (this.autofocus) this.focus(); | ||||
| this.search.attr("placeholder", opts.searchInputPlaceholder); | ||||
| }, | ||||
| // abstract | ||||
| destroy: function () { | ||||
| var element=this.opts.element, select2 = element.data("select2"); | ||||
| this.close(); | ||||
| if (element.length && element[0].detachEvent) { | ||||
| element.each(function () { | ||||
| this.detachEvent("onpropertychange", this._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 | ||||
| .removeClass("select2-offscreen") | ||||
| .removeData("select2") | ||||
| .off(".select2") | ||||
| .prop("autofocus", this.autofocus || false); | ||||
| if (this.elementTabIndex) { | ||||
| element.attr({tabindex: this.elementTabIndex}); | ||||
| } else { | ||||
| element.removeAttr("tabindex"); | ||||
| } | ||||
| element.show(); | ||||
| } | ||||
| 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 = $.extend({}, { | ||||
| populateResults: function(container, results, query) { | ||||
| var populate, id=this.opts.id, liveRegion=this.liveRegion; | ||||
| populate=function(results, container, depth) { | ||||
| var i, l, result, selectable, disabled, compound, node, label, innerContainer, formatted; | ||||
| results = opts.sortResults(results, container, query); | ||||
| // collect the created nodes for bulk append | ||||
| var nodes = []; | ||||
| for (i = 0, l = results.length; i < l; i = i + 1) { | ||||
| result=results[i]; | ||||
| disabled = (result.disabled === true); | ||||
| selectable = (!disabled) && (id(result) !== undefined); | ||||
| compound=result.children && result.children.length > 0; | ||||
| node=$("<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 there 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 = []; | ||||
| $(splitVal(element.val(), opts.separator)).each(function () { | ||||
| var obj = { id: this, text: this }, | ||||
| tags = opts.tags; | ||||
| if ($.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); | ||||
| syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass); | ||||
| this.container.addClass(evaluate(this.opts.containerCssClass, this.opts.element)); | ||||
| 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, | ||||
| offset = this.container.offset(), | ||||
| height = this.container.outerHeight(false), | ||||
| width = this.container.outerWidth(false), | ||||
| dropHeight = $dropdown.outerHeight(false), | ||||
| $window = $(window), | ||||
| windowWidth = $window.width(), | ||||
| windowHeight = $window.height(), | ||||
| viewPortRight = $window.scrollLeft() + windowWidth, | ||||
| viewportBottom = $window.scrollTop() + windowHeight, | ||||
| dropTop = offset.top + height, | ||||
| dropLeft = offset.left, | ||||
| enoughRoomBelow = dropTop + dropHeight <= viewportBottom, | ||||
| enoughRoomAbove = (offset.top - dropHeight) >= $window.scrollTop(), | ||||
| dropWidth = $dropdown.outerWidth(false), | ||||
| enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight, | ||||
| aboveNow = $dropdown.hasClass("select2-drop-above"), | ||||
| bodyOffset, | ||||
| above, | ||||
| changeDirection, | ||||
| css, | ||||
| resultsListNode; | ||||
| // always prefer the current above/below alignment, unless there is not enough room | ||||
| if (aboveNow) { | ||||
| above = true; | ||||
| if (!enoughRoomAbove && enoughRoomBelow) { | ||||
| changeDirection = true; | ||||
| above = false; | ||||
| } | ||||
| } else { | ||||
| above = false; | ||||
| if (!enoughRoomBelow && enoughRoomAbove) { | ||||
| changeDirection = true; | ||||
| above = true; | ||||
| } | ||||
| } | ||||
| //if we are changing direction we need to get positions when dropdown is hidden; | ||||
| if (changeDirection) { | ||||
| $dropdown.hide(); | ||||
| offset = this.container.offset(); | ||||
| height = this.container.outerHeight(false); | ||||
| width = this.container.outerWidth(false); | ||||
| dropHeight = $dropdown.outerHeight(false); | ||||
| viewPortRight = $window.scrollLeft() + windowWidth; | ||||
| viewportBottom = $window.scrollTop() + windowHeight; | ||||
| dropTop = offset.top + height; | ||||
| dropLeft = offset.left; | ||||
| dropWidth = $dropdown.outerWidth(false); | ||||
| enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight; | ||||
| $dropdown.show(); | ||||
| // 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); | ||||
| enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight; | ||||
| } | ||||
| else { | ||||
| this.container.removeClass('select2-drop-auto-width'); | ||||
| } | ||||
| //console.log("below/ droptop:", dropTop, "dropHeight", dropHeight, "sum", (dropTop+dropHeight)+" viewport bottom", viewportBottom, "enough?", enoughRoomBelow); | ||||
| //console.log("above/ offset.top", offset.top, "dropHeight", dropHeight, "top", (offset.top-dropHeight), "scrollTop", this.body.scrollTop(), "enough?", enoughRoomAbove); | ||||
| // fix positioning when body has an offset and is not position: static | ||||
| if (this.body.css('position') !== 'static') { | ||||
| bodyOffset = this.body.offset(); | ||||
| dropTop -= bodyOffset.top; | ||||
| dropLeft -= bodyOffset.left; | ||||
| } | ||||
| if (!enoughRoomOnRight) { | ||||
| dropLeft = offset.left + this.container.outerWidth(false) - dropWidth; | ||||
| } | ||||
| css = { | ||||
| left: dropLeft, | ||||
| width: width | ||||
| }; | ||||
| if (above) { | ||||
| css.top = offset.top - dropHeight; | ||||
| css.bottom = 'auto'; | ||||
| this.container.addClass("select2-drop-above"); | ||||
| $dropdown.addClass("select2-drop-above"); | ||||
| } | ||||
| else { | ||||
| css.top = dropTop; | ||||
| css.bottom = 'auto'; | ||||
| this.container.removeClass("select2-drop-above"); | ||||
| $dropdown.removeClass("select2-drop-above"); | ||||
| } | ||||
| css = $.extend(css, evaluate(this.opts.dropdownCss, 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 | ||||
| $document.off("mousemove.select2Event"); | ||||
| this.clearSearch(); | ||||
| this.search.removeClass("select2-active"); | ||||
| this.opts.element.trigger($.Event("select2-close")); | ||||
| }, | ||||
| /** | ||||
| * Opens control, sets input value, and updates results. | ||||
| */ | ||||
| // abstract | ||||
| externalSearch: function (term) { | ||||
| this.open(); | ||||
| this.search.val(term); | ||||
| this.updateResults(false); | ||||
| }, | ||||
| // abstract | ||||
| clearSearch: function () { | ||||
| }, | ||||
| //abstract | ||||
| getMaximumSelectionSize: function() { | ||||
| return evaluate(this.opts.maximumSelectionSize, 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(true); | ||||
| 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).text(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; | ||||
| $.data(this.container, "select2-last-term", term); | ||||
| // if the search is currently hidden we do not alter the results | ||||
| if (initial !== true && (this.showSearchInput === false || !this.opened())) { | ||||
| return; | ||||
| } | ||||
| function postRender() { | ||||
| search.removeClass("select2-active"); | ||||
| self.positionDropdown(); | ||||
| if (results.find('.select2-no-results,.select2-selection-limit,.select2-searching').length) { | ||||
| self.liveRegion.text(results.text()); | ||||
| } | ||||
| else { | ||||
| self.liveRegion.text(self.opts.formatMatches(results.find('.select2-result-selectable').length)); | ||||
| } | ||||
| } | ||||
| function render(html) { | ||||
| results.html(html); | ||||
| postRender(); | ||||
| } | ||||
| queryNumber = ++this.queryCount; | ||||
| var maxSelSize = this.getMaximumSelectionSize(); | ||||
| if (maxSelSize >=1) { | ||||
| data = this.data(); | ||||
| if ($.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; | ||||
| } | ||||
| // 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>"); | ||||
| 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 (style !== undefined) { | ||||
| attrs = style.split(';'); | ||||
| for (i = 0, l = attrs.length; i < l; i = i + 1) { | ||||
| attr = attrs[i].replace(/\s/g, ''); | ||||
| matches = attr.match(/^width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/i); | ||||
| if (matches !== null && matches.length >= 1) | ||||
| return matches[1]; | ||||
| } | ||||
| } | ||||
| if (this.opts.width === "resolve") { | ||||
| // next check if css('width') can resolve a width that is percent based, this is sometimes possible | ||||
| // when attached to input type=hidden or elements hidden via css | ||||
| style = this.opts.element.css('width'); | ||||
| if (style.indexOf("%") > 0) return style; | ||||
| // finally, fallback on the calculated width of the element | ||||
| return (this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px'); | ||||
| } | ||||
| return null; | ||||
| } else if ($.isFunction(this.opts.width)) { | ||||
| return this.opts.width(); | ||||
| } else { | ||||
| return this.opts.width; | ||||
| } | ||||
| }; | ||||
| var width = resolveContainerWidth.call(this); | ||||
| if (width !== null) { | ||||
| this.container.css("width", width); | ||||
| } | ||||
| } | ||||
| }); | ||||
| SingleSelect2 = clazz(AbstractSelect2, { | ||||
| // single | ||||
| createContainer: function () { | ||||
| var container = $(document.createElement("div")).attr({ | ||||
| "class": "select2-container" | ||||
| }).html([ | ||||
| "<a href='javascript:void(0)' 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); | ||||
| } | ||||
| } | ||||
| // initializes search's value with nextSearchTerm (if defined by user) | ||||
| // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter | ||||
| if(this.search.val() === "") { | ||||
| if(this.nextSearchTerm != undefined){ | ||||
| this.search.val(this.nextSearchTerm); | ||||
| this.search.select(); | ||||
| } | ||||
| } | ||||
| this.focusser.prop("disabled", true).val(""); | ||||
| this.updateResults(true); | ||||
| this.opts.element.trigger($.Event("select2-open")); | ||||
| }, | ||||
| // single | ||||
| close: function () { | ||||
| if (!this.opened()) return; | ||||
| this.parent.close.apply(this, arguments); | ||||
| this.focusser.prop("disabled", false); | ||||
| if (this.opts.shouldFocusInput(this)) { | ||||
| this.focusser.focus(); | ||||
| } | ||||
| }, | ||||
| // single | ||||
| focus: function () { | ||||
| if (this.opened()) { | ||||
| this.close(); | ||||
| } else { | ||||
| this.focusser.prop("disabled", false); | ||||
| if (this.opts.shouldFocusInput(this)) { | ||||
| this.focusser.focus(); | ||||
| } | ||||
| } | ||||
| }, | ||||
| // single | ||||
| isFocused: function () { | ||||
| return this.container.hasClass("select2-container-active"); | ||||
| }, | ||||
| // single | ||||
| cancel: function () { | ||||
| this.parent.cancel.apply(this, arguments); | ||||
| this.focusser.prop("disabled", false); | ||||
| if (this.opts.shouldFocusInput(this)) { | ||||
| this.focusser.focus(); | ||||
| } | ||||
| }, | ||||
| // single | ||||
| destroy: function() { | ||||
| $("label[for='" + this.focusser.attr('id') + "']") | ||||
| .attr('for', this.opts.element.attr("id")); | ||||
| this.parent.destroy.apply(this, arguments); | ||||
| cleanupJQueryElements.call(this, | ||||
| "selection", | ||||
| "focusser" | ||||
| ); | ||||
| }, | ||||
| // single | ||||
| initContainer: function () { | ||||
| var selection, | ||||
| container = this.container, | ||||
| dropdown = this.dropdown, | ||||
| idSuffix = nextUid(), | ||||
| elementLabel; | ||||
| if (this.opts.minimumResultsForSearch < 0) { | ||||
| this.showSearch(false); | ||||
| } else { | ||||
| this.showSearch(true); | ||||
| } | ||||
| this.selection = selection = container.find(".select2-choice"); | ||||
| this.focusser = container.find(".select2-focusser"); | ||||
| // add aria associations | ||||
| selection.find(".select2-chosen").attr("id", "select2-chosen-"+idSuffix); | ||||
| this.focusser.attr("aria-labelledby", "select2-chosen-"+idSuffix); | ||||
| this.results.attr("id", "select2-results-"+idSuffix); | ||||
| this.search.attr("aria-owns", "select2-results-"+idSuffix); | ||||
| // rewrite labels from original element to focusser | ||||
| this.focusser.attr("id", "s2id_autogen"+idSuffix); | ||||
| elementLabel = $("label[for='" + this.opts.element.attr("id") + "']"); | ||||
| this.focusser.prev() | ||||
| .text(elementLabel.text()) | ||||
| .attr('for', this.focusser.attr('id')); | ||||
| // Ensure the original element retains an accessible name | ||||
| var originalTitle = this.opts.element.attr("title"); | ||||
| this.opts.element.attr("title", (originalTitle || elementLabel.text())); | ||||
| this.focusser.attr("tabindex", this.elementTabIndex); | ||||
| // write label for search field using the label from the focusser element | ||||
| this.search.attr("id", this.focusser.attr('id') + '_search'); | ||||
| this.search.prev() | ||||
| .text($("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; | ||||
| if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) { | ||||
| // prevent the page from scrolling | ||||
| killEvent(e); | ||||
| return; | ||||
| } | ||||
| switch (e.which) { | ||||
| case KEY.UP: | ||||
| case KEY.DOWN: | ||||
| this.moveHighlight((e.which === KEY.UP) ? -1 : 1); | ||||
| killEvent(e); | ||||
| return; | ||||
| case KEY.ENTER: | ||||
| this.selectHighlighted(); | ||||
| killEvent(e); | ||||
| return; | ||||
| case KEY.TAB: | ||||
| this.selectHighlighted({noFocus: true}); | ||||
| return; | ||||
| case KEY.ESC: | ||||
| this.cancel(e); | ||||
| killEvent(e); | ||||
| return; | ||||
| } | ||||
| })); | ||||
| this.search.on("blur", this.bind(function(e) { | ||||
| // a workaround for chrome to keep the search field focussed when the scroll bar is used to scroll the dropdown. | ||||
| // without this the search field loses focus which is annoying | ||||
| if (document.activeElement === this.body.get(0)) { | ||||
| window.setTimeout(this.bind(function() { | ||||
| if (this.opened()) { | ||||
| this.search.focus(); | ||||
| } | ||||
| }), 0); | ||||
| } | ||||
| })); | ||||
| this.focusser.on("keydown", this.bind(function (e) { | ||||
| if (!this.isInterfaceEnabled()) return; | ||||
| if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) { | ||||
| return; | ||||
| } | ||||
| if (this.opts.openOnEnter === false && e.which === KEY.ENTER) { | ||||
| killEvent(e); | ||||
| return; | ||||
| } | ||||
| if (e.which == KEY.DOWN || e.which == KEY.UP | ||||
| || (e.which == KEY.ENTER && this.opts.openOnEnter)) { | ||||
| if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) return; | ||||
| this.open(); | ||||
| killEvent(e); | ||||
| return; | ||||
| } | ||||
| if (e.which == KEY.DELETE || e.which == KEY.BACKSPACE) { | ||||
| if (this.opts.allowClear) { | ||||
| this.clear(); | ||||
| } | ||||
| killEvent(e); | ||||
| return; | ||||
| } | ||||
| })); | ||||
| installKeyUpChangeEvent(this.focusser); | ||||
| this.focusser.on("keyup-change input", this.bind(function(e) { | ||||
| if (this.opts.minimumResultsForSearch >= 0) { | ||||
| e.stopPropagation(); | ||||
| if (this.opened()) return; | ||||
| this.open(); | ||||
| } | ||||
| })); | ||||
| selection.on("mousedown touchstart", "abbr", this.bind(function (e) { | ||||
| if (!this.isInterfaceEnabled()) return; | ||||
| this.clear(); | ||||
| killEventImmediately(e); | ||||
| this.close(); | ||||
| 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.addClass("select2-offscreen"); | ||||
| this.setPlaceholder(); | ||||
| }, | ||||
| // single | ||||
| clear: function(triggerChange) { | ||||
| var data=this.selection.data("select2-data"); | ||||
| if (data) { // guard against queued quick consecutive clicks | ||||
| var evt = $.Event("select2-clearing"); | ||||
| this.opts.element.trigger(evt); | ||||
| if (evt.isDefaultPrevented()) { | ||||
| return; | ||||
| } | ||||
| var placeholderOption = this.getPlaceholderOption(); | ||||
| this.opts.element.val(placeholderOption ? placeholderOption.val() : ""); | ||||
| this.selection.find(".select2-chosen").empty(); | ||||
| this.selection.removeData("select2-data"); | ||||
| this.setPlaceholder(); | ||||
| if (triggerChange !== false){ | ||||
| this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data }); | ||||
| this.triggerChange({removed:data}); | ||||
| } | ||||
| } | ||||
| }, | ||||
| /** | ||||
| * Sets selection based on source element's value | ||||
| */ | ||||
| // single | ||||
| initSelection: function () { | ||||
| var selected; | ||||
| if (this.isPlaceholderOptionSelected()) { | ||||
| this.updateSelection(null); | ||||
| this.close(); | ||||
| this.setPlaceholder(); | ||||
| } else { | ||||
| var self = this; | ||||
| this.opts.initSelection.call(null, this.opts.element, function(selected){ | ||||
| if (selected !== undefined && selected !== null) { | ||||
| self.updateSelection(selected); | ||||
| self.close(); | ||||
| self.setPlaceholder(); | ||||
| self.nextSearchTerm = self.opts.nextSearchTerm(selected, self.search.val()); | ||||
| } | ||||
| }); | ||||
| } | ||||
| }, | ||||
| isPlaceholderOptionSelected: function() { | ||||
| var placeholderOption; | ||||
| if (this.getPlaceholder() === undefined) return false; // no placeholder specified so no option should be considered | ||||
| return ((placeholderOption = this.getPlaceholderOption()) !== undefined && placeholderOption.prop("selected")) | ||||
| || (this.opts.element.val() === "") | ||||
| || (this.opts.element.val() === undefined) | ||||
| || (this.opts.element.val() === null); | ||||
| }, | ||||
| // single | ||||
| prepareOpts: function () { | ||||
| var opts = this.parent.prepareOpts.apply(this, arguments), | ||||
| self=this; | ||||
| if (opts.element.get(0).tagName.toLowerCase() === "select") { | ||||
| // install the selection initializer | ||||
| opts.initSelection = function (element, callback) { | ||||
| var selected = element.find("option").filter(function() { return this.selected && !this.disabled }); | ||||
| // a single select box always has a value, no need to null check 'selected' | ||||
| callback(self.optionToData(selected)); | ||||
| }; | ||||
| } else if ("data" in opts) { | ||||
| // install default initSelection when applied to hidden input and data is local | ||||
| opts.initSelection = opts.initSelection || function (element, callback) { | ||||
| var id = element.val(); | ||||
| //search in data by id, storing the actual matching item | ||||
| var match = null; | ||||
| opts.query({ | ||||
| matcher: function(term, text, el){ | ||||
| var is_match = equal(id, opts.id(el)); | ||||
| if (is_match) { | ||||
| match = el; | ||||
| } | ||||
| return is_match; | ||||
| }, | ||||
| callback: !$.isFunction(callback) ? $.noop : function() { | ||||
| callback(match); | ||||
| } | ||||
| }); | ||||
| }; | ||||
| } | ||||
| return opts; | ||||
| }, | ||||
| // single | ||||
| getPlaceholder: function() { | ||||
| // if a placeholder is specified on a single select without a valid placeholder option ignore it | ||||
| if (this.select) { | ||||
| if (this.getPlaceholderOption() === undefined) { | ||||
| return undefined; | ||||
| } | ||||
| } | ||||
| return this.parent.getPlaceholder.apply(this, arguments); | ||||
| }, | ||||
| // single | ||||
| setPlaceholder: function () { | ||||
| var placeholder = this.getPlaceholder(); | ||||
| if (this.isPlaceholderOptionSelected() && placeholder !== undefined) { | ||||
| // check for a placeholder option if attached to a select | ||||
| if (this.select && this.getPlaceholderOption() === undefined) return; | ||||
| this.selection.find(".select2-chosen").html(this.opts.escapeMarkup(placeholder)); | ||||
| this.selection.addClass("select2-default"); | ||||
| this.container.removeClass("select2-allowclear"); | ||||
| } | ||||
| }, | ||||
| // single | ||||
| postprocessResults: function (data, initial, noHighlightUpdate) { | ||||
| var selected = 0, self = this, showSearchInput = true; | ||||
| // find the selected element in the result list | ||||
| this.findHighlightableChoices().each2(function (i, elm) { | ||||
| if (equal(self.id(elm.data("select2-data")), self.opts.element.val())) { | ||||
| selected = i; | ||||
| return false; | ||||
| } | ||||
| }); | ||||
| // and highlight it | ||||
| if (noHighlightUpdate !== false) { | ||||
| if (initial === true && selected >= 0) { | ||||
| this.highlight(selected); | ||||
| } else { | ||||
| this.highlight(0); | ||||
| } | ||||
| } | ||||
| // hide the search box if this is the first we got the results and there are enough of them for search | ||||
| if (initial === true) { | ||||
| var min = this.opts.minimumResultsForSearch; | ||||
| if (min >= 0) { | ||||
| this.showSearch(countResults(data.results) >= min); | ||||
| } | ||||
| } | ||||
| }, | ||||
| // single | ||||
| showSearch: function(showSearchInput) { | ||||
| if (this.showSearchInput === showSearchInput) return; | ||||
| this.showSearchInput = showSearchInput; | ||||
| this.dropdown.find(".select2-search").toggleClass("select2-search-hidden", !showSearchInput); | ||||
| this.dropdown.find(".select2-search").toggleClass("select2-offscreen", !showSearchInput); | ||||
| //add "select2-with-searchbox" to the container if search box is shown | ||||
| $(this.dropdown, this.container).toggleClass("select2-with-searchbox", showSearchInput); | ||||
| }, | ||||
| // single | ||||
| onSelect: function (data, options) { | ||||
| if (!this.triggerSelect(data)) { return; } | ||||
| var old = this.opts.element.val(), | ||||
| oldData = this.data(); | ||||
| this.opts.element.val(this.id(data)); | ||||
| this.updateSelection(data); | ||||
| this.opts.element.trigger({ type: "select2-selected", val: this.id(data), choice: data }); | ||||
| this.nextSearchTerm = this.opts.nextSearchTerm(data, this.search.val()); | ||||
| this.close(); | ||||
| if ((!options || !options.noFocus) && this.opts.shouldFocusInput(this)) { | ||||
| this.focusser.focus(); | ||||
| } | ||||
| if (!equal(old, this.id(data))) { | ||||
| this.triggerChange({ added: data, removed: oldData }); | ||||
| } | ||||
| }, | ||||
| // single | ||||
| updateSelection: function (data) { | ||||
| var container=this.selection.find(".select2-chosen"), formatted, cssClass; | ||||
| this.selection.data("select2-data", data); | ||||
| container.empty(); | ||||
| if (data !== null) { | ||||
| formatted=this.opts.formatSelection(data, container, this.opts.escapeMarkup); | ||||
| } | ||||
| if (formatted !== undefined) { | ||||
| container.append(formatted); | ||||
| } | ||||
| cssClass=this.opts.formatSelectionCssClass(data, container); | ||||
| if (cssClass !== undefined) { | ||||
| container.addClass(cssClass); | ||||
| } | ||||
| this.selection.removeClass("select2-default"); | ||||
| if (this.opts.allowClear && this.getPlaceholder() !== undefined) { | ||||
| this.container.addClass("select2-allowclear"); | ||||
| } | ||||
| }, | ||||
| // single | ||||
| val: function () { | ||||
| var val, | ||||
| triggerChange = false, | ||||
| data = null, | ||||
| self = this, | ||||
| oldData = this.data(); | ||||
| if (arguments.length === 0) { | ||||
| return this.opts.element.val(); | ||||
| } | ||||
| val = arguments[0]; | ||||
| if (arguments.length > 1) { | ||||
| triggerChange = arguments[1]; | ||||
| } | ||||
| if (this.select) { | ||||
| this.select | ||||
| .val(val) | ||||
| .find("option").filter(function() { return this.selected }).each2(function (i, elm) { | ||||
| data = self.optionToData(elm); | ||||
| return false; | ||||
| }); | ||||
| this.updateSelection(data); | ||||
| this.setPlaceholder(); | ||||
| if (triggerChange) { | ||||
| this.triggerChange({added: data, removed:oldData}); | ||||
| } | ||||
| } else { | ||||
| // val is an id. !val is true for [undefined,null,'',0] - 0 is legal | ||||
| if (!val && val !== 0) { | ||||
| this.clear(triggerChange); | ||||
| return; | ||||
| } | ||||
| if (this.opts.initSelection === undefined) { | ||||
| throw new Error("cannot call val() if initSelection() is not defined"); | ||||
| } | ||||
| this.opts.element.val(val); | ||||
| this.opts.initSelection(this.opts.element, function(data){ | ||||
| self.opts.element.val(!data ? "" : self.id(data)); | ||||
| self.updateSelection(data); | ||||
| self.setPlaceholder(); | ||||
| if (triggerChange) { | ||||
| self.triggerChange({added: data, removed:oldData}); | ||||
| } | ||||
| }); | ||||
| } | ||||
| }, | ||||
| // single | ||||
| clearSearch: function () { | ||||
| this.search.val(""); | ||||
| this.focusser.val(""); | ||||
| }, | ||||
| // single | ||||
| data: function(value) { | ||||
| var data, | ||||
| triggerChange = false; | ||||
| if (arguments.length === 0) { | ||||
| data = this.selection.data("select2-data"); | ||||
| if (data == undefined) data = null; | ||||
| return data; | ||||
| } else { | ||||
| if (arguments.length > 1) { | ||||
| triggerChange = arguments[1]; | ||||
| } | ||||
| if (!value) { | ||||
| this.clear(triggerChange); | ||||
| } else { | ||||
| data = this.data(); | ||||
| this.opts.element.val(!value ? "" : this.id(value)); | ||||
| this.updateSelection(value); | ||||
| if (triggerChange) { | ||||
| this.triggerChange({added: value, removed:data}); | ||||
| } | ||||
| } | ||||
| } | ||||
| } | ||||
| }); | ||||
| MultiSelect2 = clazz(AbstractSelect2, { | ||||
| // multi | ||||
| createContainer: function () { | ||||
| var container = $(document.createElement("div")).attr({ | ||||
| "class": "select2-container select2-container-multi" | ||||
| }).html([ | ||||
| "<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); | ||||
| //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() { | ||||
| $("label[for='" + this.search.attr('id') + "']") | ||||
| .attr('for', this.opts.element.attr("id")); | ||||
| this.parent.destroy.apply(this, arguments); | ||||
| cleanupJQueryElements.call(this, | ||||
| "searchContainer", | ||||
| "selection" | ||||
| ); | ||||
| }, | ||||
| // multi | ||||
| initContainer: function () { | ||||
| var selector = ".select2-choices", selection; | ||||
| this.searchContainer = this.container.find(".select2-search-field"); | ||||
| this.selection = selection = this.container.find(selector); | ||||
| var _this = this; | ||||
| this.selection.on("click", ".select2-search-choice:not(.select2-locked)", function (e) { | ||||
| //killEvent(e); | ||||
| _this.search[0].focus(); | ||||
| _this.selectChoice($(this)); | ||||
| }); | ||||
| // rewrite labels from original element to focusser | ||||
| this.search.attr("id", "s2id_autogen"+nextUid()); | ||||
| this.search.prev() | ||||
| .text($("label[for='" + this.opts.element.attr("id") + "']").text()) | ||||
| .attr('for', this.search.attr('id')); | ||||
| 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.addClass("select2-offscreen"); | ||||
| // set the placeholder if necessary | ||||
| this.clearSearch(); | ||||
| }, | ||||
| // multi | ||||
| enableInterface: function() { | ||||
| if (this.parent.enableInterface.apply(this, arguments)) { | ||||
| this.search.prop("disabled", !this.isInterfaceEnabled()); | ||||
| } | ||||
| }, | ||||
| // multi | ||||
| initSelection: function () { | ||||
| var data; | ||||
| if (this.opts.element.val() === "" && this.opts.element.text() === "") { | ||||
| this.updateSelection([]); | ||||
| this.close(); | ||||
| // set the placeholder if necessary | ||||
| this.clearSearch(); | ||||
| } | ||||
| if (this.select || this.opts.element.val() !== "") { | ||||
| var self = this; | ||||
| this.opts.initSelection.call(null, this.opts.element, function(data){ | ||||
| if (data !== undefined && data !== null) { | ||||
| self.updateSelection(data); | ||||
| self.close(); | ||||
| // set the placeholder if necessary | ||||
| self.clearSearch(); | ||||
| } | ||||
| }); | ||||
| } | ||||
| }, | ||||
| // multi | ||||
| clearSearch: function () { | ||||
| var placeholder = this.getPlaceholder(), | ||||
| maxWidth = this.getMaxSearchWidth(); | ||||
| if (placeholder !== undefined && this.getVal().length === 0 && this.search.hasClass("select2-focused") === false) { | ||||
| this.search.val(placeholder).addClass("select2-default"); | ||||
| // stretch the search box to full width of the container so as much of the placeholder is visible as possible | ||||
| // we could call this.resizeSearch(), but we do not because that requires a sizer and we do not want to create one so early because of a firefox bug, see #944 | ||||
| this.search.width(maxWidth > 0 ? maxWidth : this.container.css("width")); | ||||
| } else { | ||||
| this.search.val("").width(10); | ||||
| } | ||||
| }, | ||||
| // multi | ||||
| clearPlaceholder: function () { | ||||
| if (this.search.hasClass("select2-default")) { | ||||
| this.search.val("").removeClass("select2-default"); | ||||
| } | ||||
| }, | ||||
| // multi | ||||
| opening: function () { | ||||
| this.clearPlaceholder(); // should be done before super so placeholder is not used to search | ||||
| this.resizeSearch(); | ||||
| this.parent.opening.apply(this, arguments); | ||||
| this.focusSearch(); | ||||
| // initializes search's value with nextSearchTerm (if defined by user) | ||||
| // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter | ||||
| if(this.search.val() === "") { | ||||
| if(this.nextSearchTerm != undefined){ | ||||
| this.search.val(this.nextSearchTerm); | ||||
| this.search.select(); | ||||
| } | ||||
| } | ||||
| this.updateResults(true); | ||||
| if (this.opts.shouldFocusInput(this)) { | ||||
| this.search.focus(); | ||||
| } | ||||
| this.opts.element.trigger($.Event("select2-open")); | ||||
| }, | ||||
| // multi | ||||
| close: function () { | ||||
| if (!this.opened()) return; | ||||
| this.parent.close.apply(this, arguments); | ||||
| }, | ||||
| // multi | ||||
| focus: function () { | ||||
| this.close(); | ||||
| this.search.focus(); | ||||
| }, | ||||
| // multi | ||||
| isFocused: function () { | ||||
| return this.search.hasClass("select2-focused"); | ||||
| }, | ||||
| // multi | ||||
| updateSelection: function (data) { | ||||
| var ids = [], filtered = [], self = this; | ||||
| // filter out duplicates | ||||
| $(data).each(function () { | ||||
| if (indexOf(self.id(this), ids) < 0) { | ||||
| ids.push(self.id(this)); | ||||
| filtered.push(this); | ||||
| } | ||||
| }); | ||||
| data = filtered; | ||||
| this.selection.find(".select2-search-choice").remove(); | ||||
| $(data).each(function () { | ||||
| self.addSelectedChoice(this); | ||||
| }); | ||||
| self.postprocessResults(); | ||||
| }, | ||||
| // multi | ||||
| tokenize: function() { | ||||
| var input = this.search.val(); | ||||
| input = this.opts.tokenizer.call(this, input, this.data(), this.bind(this.onSelect), this.opts); | ||||
| if (input != null && input != undefined) { | ||||
| this.search.val(input); | ||||
| if (input.length > 0) { | ||||
| this.open(); | ||||
| } | ||||
| } | ||||
| }, | ||||
| // multi | ||||
| onSelect: function (data, options) { | ||||
| if (!this.triggerSelect(data)) { return; } | ||||
| this.addSelectedChoice(data); | ||||
| this.opts.element.trigger({ type: "selected", val: this.id(data), choice: data }); | ||||
| // keep track of the search's value before it gets cleared | ||||
| this.nextSearchTerm = this.opts.nextSearchTerm(data, this.search.val()); | ||||
| this.clearSearch(); | ||||
| this.updateResults(); | ||||
| if (this.select || !this.opts.closeOnSelect) this.postprocessResults(data, false, this.opts.closeOnSelect===true); | ||||
| if (this.opts.closeOnSelect) { | ||||
| this.close(); | ||||
| this.search.width(10); | ||||
| } else { | ||||
| if (this.countSelectableResults()>0) { | ||||
| this.search.width(10); | ||||
| this.resizeSearch(); | ||||
| if (this.getMaximumSelectionSize() > 0 && this.val().length >= this.getMaximumSelectionSize()) { | ||||
| // if we reached max selection size repaint the results so choices | ||||
| // are replaced with the max selection reached message | ||||
| this.updateResults(true); | ||||
| } else { | ||||
| // initializes search's value with nextSearchTerm and update search result | ||||
| if(this.nextSearchTerm != undefined){ | ||||
| this.search.val(this.nextSearchTerm); | ||||
| this.updateResults(); | ||||
| this.search.select(); | ||||
| } | ||||
| } | ||||
| this.positionDropdown(); | ||||
| } else { | ||||
| // if nothing left to select close | ||||
| this.close(); | ||||
| this.search.width(10); | ||||
| } | ||||
| } | ||||
| // since its not possible to select an element that has already been | ||||
| // added we do not need to check if this is a new element before firing change | ||||
| this.triggerChange({ added: data }); | ||||
| if (!options || !options.noFocus) | ||||
| this.focusSearch(); | ||||
| }, | ||||
| // multi | ||||
| cancel: function () { | ||||
| this.close(); | ||||
| this.focusSearch(); | ||||
| }, | ||||
| addSelectedChoice: function (data) { | ||||
| var enableChoice = !data.locked, | ||||
| enabledItem = $( | ||||
| "<li class='select2-search-choice'>" + | ||||
| " <div></div>" + | ||||
| " <a href='#' class='select2-search-choice-close' tabindex='-1'></a>" + | ||||
| "</li>"), | ||||
| disabledItem = $( | ||||
| "<li class='select2-search-choice select2-locked'>" + | ||||
| "<div></div>" + | ||||
| "</li>"); | ||||
| var choice = enableChoice ? enabledItem : disabledItem, | ||||
| id = this.id(data), | ||||
| val = this.getVal(), | ||||
| formatted, | ||||
| cssClass; | ||||
| formatted=this.opts.formatSelection(data, choice.find("div"), this.opts.escapeMarkup); | ||||
| if (formatted != undefined) { | ||||
| choice.find("div").replaceWith("<div>"+formatted+"</div>"); | ||||
| } | ||||
| cssClass=this.opts.formatSelectionCssClass(data, choice.find("div")); | ||||
| if (cssClass != undefined) { | ||||
| choice.addClass(cssClass); | ||||
| } | ||||
| if(enableChoice){ | ||||
| choice.find(".select2-search-choice-close") | ||||
| .on("mousedown", killEvent) | ||||
| .on("click dblclick", this.bind(function (e) { | ||||
| if (!this.isInterfaceEnabled()) return; | ||||
| this.unselect($(e.target)); | ||||
| this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus"); | ||||
| killEvent(e); | ||||
| this.close(); | ||||
| this.focusSearch(); | ||||
| })).on("focus", this.bind(function () { | ||||
| if (!this.isInterfaceEnabled()) return; | ||||
| this.container.addClass("select2-container-active"); | ||||
| this.dropdown.addClass("select2-drop-active"); | ||||
| })); | ||||
| } | ||||
| choice.data("select2-data", data); | ||||
| choice.insertBefore(this.searchContainer); | ||||
| val.push(id); | ||||
| this.setVal(val); | ||||
| }, | ||||
| // multi | ||||
| unselect: function (selected) { | ||||
| var val = this.getVal(), | ||||
| data, | ||||
| index; | ||||
| selected = selected.closest(".select2-search-choice"); | ||||
| if (selected.length === 0) { | ||||
| throw "Invalid argument: " + selected + ". Must be .select2-search-choice"; | ||||
| } | ||||
| data = selected.data("select2-data"); | ||||
| if (!data) { | ||||
| // prevent a race condition when the 'x' is clicked really fast repeatedly the event can be queued | ||||
| // and invoked on an element already removed | ||||
| return; | ||||
| } | ||||
| var evt = $.Event("select2-removing"); | ||||
| evt.val = this.id(data); | ||||
| evt.choice = data; | ||||
| this.opts.element.trigger(evt); | ||||
| if (evt.isDefaultPrevented()) { | ||||
| return false; | ||||
| } | ||||
| while((index = indexOf(this.id(data), val)) >= 0) { | ||||
| val.splice(index, 1); | ||||
| this.setVal(val); | ||||
| if (this.select) this.postprocessResults(); | ||||
| } | ||||
| selected.remove(); | ||||
| this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data }); | ||||
| this.triggerChange({ removed: data }); | ||||
| return true; | ||||
| }, | ||||
| // multi | ||||
| postprocessResults: function (data, initial, noHighlightUpdate) { | ||||
| var val = this.getVal(), | ||||
| choices = this.results.find(".select2-result"), | ||||
| compound = this.results.find(".select2-result-with-children"), | ||||
| self = this; | ||||
| choices.each2(function (i, choice) { | ||||
| var id = self.id(choice.data("select2-data")); | ||||
| if (indexOf(id, val) >= 0) { | ||||
| choice.addClass("select2-selected"); | ||||
| // mark all children of the selected parent as selected | ||||
| choice.find(".select2-result-selectable").addClass("select2-selected"); | ||||
| } | ||||
| }); | ||||
| compound.each2(function(i, choice) { | ||||
| // hide an optgroup if it doesn't have any selectable children | ||||
| if (!choice.is('.select2-result-selectable') | ||||
| && choice.find(".select2-result-selectable:not(.select2-selected)").length === 0) { | ||||
| choice.addClass("select2-selected"); | ||||
| } | ||||
| }); | ||||
| if (this.highlight() == -1 && noHighlightUpdate !== false){ | ||||
| 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); | ||||
| } | ||||
| }, | ||||
| // multi | ||||
| setVal: function (val) { | ||||
| var unique; | ||||
| if (this.select) { | ||||
| this.select.val(val); | ||||
| } else { | ||||
| unique = []; | ||||
| // filter out duplicates | ||||
| $(val).each(function () { | ||||
| if (indexOf(this, unique) < 0) unique.push(this); | ||||
| }); | ||||
| this.opts.element.val(unique.length === 0 ? "" : unique.join(this.opts.separator)); | ||||
| } | ||||
| }, | ||||
| // multi | ||||
| buildChangeDetails: function (old, current) { | ||||
| var current = current.slice(0), | ||||
| old = old.slice(0); | ||||
| // remove intersection from each array | ||||
| for (var i = 0; i < current.length; i++) { | ||||
| for (var j = 0; j < old.length; j++) { | ||||
| if (equal(this.opts.id(current[i]), this.opts.id(old[j]))) { | ||||
| current.splice(i, 1); | ||||
| if(i>0){ | ||||
| i--; | ||||
| } | ||||
| old.splice(j, 1); | ||||
| j--; | ||||
| } | ||||
| } | ||||
| } | ||||
| return {added: current, removed: old}; | ||||
| }, | ||||
| // multi | ||||
| val: function (val, triggerChange) { | ||||
| var oldData, self=this; | ||||
| if (arguments.length === 0) { | ||||
| return this.getVal(); | ||||
| } | ||||
| oldData=this.data(); | ||||
| if (!oldData.length) oldData=[]; | ||||
| // val is an id. !val is true for [undefined,null,'',0] - 0 is legal | ||||
| if (!val && val !== 0) { | ||||
| this.opts.element.val(""); | ||||
| this.updateSelection([]); | ||||
| this.clearSearch(); | ||||
| if (triggerChange) { | ||||
| this.triggerChange({added: this.data(), removed: oldData}); | ||||
| } | ||||
| return; | ||||
| } | ||||
| // val is a list of ids | ||||
| this.setVal(val); | ||||
| if (this.select) { | ||||
| this.opts.initSelection(this.select, this.bind(this.updateSelection)); | ||||
| if (triggerChange) { | ||||
| this.triggerChange(this.buildChangeDetails(oldData, this.data())); | ||||
| } | ||||
| } else { | ||||
| if (this.opts.initSelection === undefined) { | ||||
| throw new Error("val() cannot be called if initSelection() is not defined"); | ||||
| } | ||||
| this.opts.initSelection(this.opts.element, function(data){ | ||||
| var ids=$.map(data, self.id); | ||||
| self.setVal(ids); | ||||
| self.updateSelection(data); | ||||
| self.clearSearch(); | ||||
| if (triggerChange) { | ||||
| self.triggerChange(self.buildChangeDetails(oldData, self.data())); | ||||
| } | ||||
| }); | ||||
| } | ||||
| this.clearSearch(); | ||||
| }, | ||||
| // multi | ||||
| onSortStart: function() { | ||||
| if (this.select) { | ||||
| throw new Error("Sorting of elements is not supported when attached to <select>. Attach to <input type='hidden'/> instead."); | ||||
| } | ||||
| // collapse search field into 0 width so its container can be collapsed as well | ||||
| this.search.width(0); | ||||
| // hide the container | ||||
| this.searchContainer.hide(); | ||||
| }, | ||||
| // multi | ||||
| onSortEnd:function() { | ||||
| var val=[], self=this; | ||||
| // show search and move it to the end of the list | ||||
| this.searchContainer.show(); | ||||
| // make sure the search container is the last item in the list | ||||
| this.searchContainer.appendTo(this.searchContainer.parent()); | ||||
| // since we collapsed the width in dragStarted, we resize it here | ||||
| this.resizeSearch(); | ||||
| // update selection | ||||
| this.selection.find(".select2-search-choice").each(function() { | ||||
| val.push(self.opts.id($(this).data("select2-data"))); | ||||
| }); | ||||
| this.setVal(val); | ||||
| this.triggerChange(); | ||||
| }, | ||||
| // multi | ||||
| data: function(values, triggerChange) { | ||||
| var self=this, ids, old; | ||||
| if (arguments.length === 0) { | ||||
| return this.selection | ||||
| .children(".select2-search-choice") | ||||
| .map(function() { return $(this).data("select2-data"); }) | ||||
| .get(); | ||||
| } else { | ||||
| old = this.data(); | ||||
| if (!values) { values = []; } | ||||
| ids = $.map(values, function(e) { return self.opts.id(e); }); | ||||
| this.setVal(ids); | ||||
| this.updateSelection(values); | ||||
| this.clearSearch(); | ||||
| if (triggerChange) { | ||||
| this.triggerChange(this.buildChangeDetails(old, this.data())); | ||||
| } | ||||
| } | ||||
| } | ||||
| }); | ||||
| $.fn.select2 = function () { | ||||
| var args = Array.prototype.slice.call(arguments, 0), | ||||
| opts, | ||||
| select2, | ||||
| method, value, multiple, | ||||
| allowedMethods = ["val", "destroy", "opened", "open", "close", "focus", "isFocused", "container", "dropdown", "onSortStart", "onSortEnd", "enable", "disable", "readonly", "positionDropdown", "data", "search"], | ||||
| valueMethods = ["opened", "isFocused", "container", "dropdown"], | ||||
| propertyMethods = ["val", "data"], | ||||
| methodsMap = { search: "externalSearch" }; | ||||
| this.each(function () { | ||||
| if (args.length === 0 || typeof(args[0]) === "object") { | ||||
| opts = args.length === 0 ? {} : $.extend({}, args[0]); | ||||
| opts.element = $(this); | ||||
| if (opts.element.get(0).tagName.toLowerCase() === "select") { | ||||
| multiple = opts.element.prop("multiple"); | ||||
| } else { | ||||
| multiple = opts.multiple || false; | ||||
| if ("tags" in opts) {opts.multiple = multiple = true;} | ||||
| } | ||||
| select2 = multiple ? new window.Select2["class"].multi() : new window.Select2["class"].single(); | ||||
| select2.init(opts); | ||||
| } else if (typeof(args[0]) === "string") { | ||||
| if (indexOf(args[0], allowedMethods) < 0) { | ||||
| throw "Unknown method: " + args[0]; | ||||
| } | ||||
| value = undefined; | ||||
| select2 = $(this).data("select2"); | ||||
| if (select2 === undefined) return; | ||||
| method=args[0]; | ||||
| if (method === "container") { | ||||
| value = select2.container; | ||||
| } else if (method === "dropdown") { | ||||
| value = select2.dropdown; | ||||
| } else { | ||||
| if (methodsMap[method]) method = methodsMap[method]; | ||||
| value = select2[method].apply(select2, args.slice(1)); | ||||
| } | ||||
| if (indexOf(args[0], valueMethods) >= 0 | ||||
| || (indexOf(args[0], propertyMethods) >= 0 && args.length == 1)) { | ||||
| return false; // abort the iteration, ready to return first matched value | ||||
| } | ||||
| } else { | ||||
| throw "Invalid arguments to select2 plugin: " + args; | ||||
| } | ||||
| }); | ||||
| return (value === undefined) ? this : value; | ||||
| }; | ||||
| // plugin defaults, accessible to users | ||||
| $.fn.select2.defaults = { | ||||
| width: "copy", | ||||
| loadMorePadding: 0, | ||||
| closeOnSelect: true, | ||||
| openOnEnter: true, | ||||
| containerCss: {}, | ||||
| dropdownCss: {}, | ||||
| containerCssClass: "", | ||||
| dropdownCssClass: "", | ||||
| formatResult: function(result, container, query, escapeMarkup) { | ||||
| var markup=[]; | ||||
| markMatch(result.text, query.term, markup, escapeMarkup); | ||||
| return markup.join(""); | ||||
| }, | ||||
| formatSelection: function (data, container, escapeMarkup) { | ||||
| return data ? escapeMarkup(data.text) : undefined; | ||||
| }, | ||||
| sortResults: function (results, container, query) { | ||||
| return results; | ||||
| }, | ||||
| formatResultCssClass: function(data) {return data.css;}, | ||||
| formatSelectionCssClass: function(data, container) {return undefined;}, | ||||
| 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"; }, | ||||
| 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…"; }, | ||||
| minimumResultsForSearch: 0, | ||||
| minimumInputLength: 0, | ||||
| maximumInputLength: null, | ||||
| maximumSelectionSize: 0, | ||||
| id: function (e) { return e == undefined ? null : e.id; }, | ||||
| matcher: function(term, text) { | ||||
| return stripDiacritics(''+text).toUpperCase().indexOf(stripDiacritics(''+term).toUpperCase()) >= 0; | ||||
| }, | ||||
| separator: ",", | ||||
| tokenSeparators: [], | ||||
| tokenizer: defaultTokenizer, | ||||
| escapeMarkup: defaultEscapeMarkup, | ||||
| blurOnChange: false, | ||||
| selectOnBlur: false, | ||||
| adaptContainerCssClass: function(c) { return c; }, | ||||
| adaptDropdownCssClass: function(c) { return null; }, | ||||
| nextSearchTerm: function(selectedObject, currentSearchTerm) { return undefined; }, | ||||
| 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.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)); | ||||