| /* |
| Copyright 2012 Igor Vaynberg |
| |
| Version: 3.4.6 Timestamp: Sat Mar 22 22:30:15 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 = {"\u24B6":"A","\uFF21":"A","\u00C0":"A","\u00C1":"A","\u00C2":"A","\u1EA6":"A","\u1EA4":"A","\u1EAA":"A","\u1EA8":"A","\u00C3":"A","\u0100":"A","\u0102":"A","\u1EB0":"A","\u1EAE":"A","\u1EB4":"A","\u1EB2":"A","\u0226":"A","\u01E0":"A","\u00C4":"A","\u01DE":"A","\u1EA2":"A","\u00C5":"A","\u01FA":"A","\u01CD":"A","\u0200":"A","\u0202":"A","\u1EA0":"A","\u1EAC":"A","\u1EB6":"A","\u1E00":"A","\u0104":"A","\u023A":"A","\u2C6F":"A","\uA732":"AA","\u00C6":"AE","\u01FC":"AE","\u01E2":"AE","\uA734":"AO","\uA736":"AU","\uA738":"AV","\uA73A":"AV","\uA73C":"AY","\u24B7":"B","\uFF22":"B","\u1E02":"B","\u1E04":"B","\u1E06":"B","\u0243":"B","\u0182":"B","\u0181":"B","\u24B8":"C","\uFF23":"C","\u0106":"C","\u0108":"C","\u010A":"C","\u010C":"C","\u00C7":"C","\u1E08":"C","\u0187":"C","\u023B":"C","\uA73E":"C","\u24B9":"D","\uFF24":"D","\u1E0A":"D","\u010E":"D","\u1E0C":"D","\u1E10":"D","\u1E12":"D","\u1E0E":"D","\u0110":"D","\u018B":"D","\u018A":"D","\u0189":"D","\uA779":"D","\u01F1":"DZ","\u01C4":"DZ","\u01F2":"Dz","\u01C5":"Dz","\u24BA":"E","\uFF25":"E","\u00C8":"E","\u00C9":"E","\u00CA":"E","\u1EC0":"E","\u1EBE":"E","\u1EC4":"E","\u1EC2":"E","\u1EBC":"E","\u0112":"E","\u1E14":"E","\u1E16":"E","\u0114":"E","\u0116":"E","\u00CB":"E","\u1EBA":"E","\u011A":"E","\u0204":"E","\u0206":"E","\u1EB8":"E","\u1EC6":"E","\u0228":"E","\u1E1C":"E","\u0118":"E","\u1E18":"E","\u1E1A":"E","\u0190":"E","\u018E":"E","\u24BB":"F","\uFF26":"F","\u1E1E":"F","\u0191":"F","\uA77B":"F","\u24BC":"G","\uFF27":"G","\u01F4":"G","\u011C":"G","\u1E20":"G","\u011E":"G","\u0120":"G","\u01E6":"G","\u0122":"G","\u01E4":"G","\u0193":"G","\uA7A0":"G","\uA77D":"G","\uA77E":"G","\u24BD":"H","\uFF28":"H","\u0124":"H","\u1E22":"H","\u1E26":"H","\u021E":"H","\u1E24":"H","\u1E28":"H","\u1E2A":"H","\u0126":"H","\u2C67":"H","\u2C75":"H","\uA78D":"H","\u24BE":"I","\uFF29":"I","\u00CC":"I","\u00CD":"I","\u00CE":"I","\u0128":"I","\u012A":"I","\u012C":"I","\u0130":"I","\u00CF":"I","\u1E2E":"I","\u1EC8":"I","\u01CF":"I","\u0208":"I","\u020A":"I","\u1ECA":"I","\u012E":"I","\u1E2C":"I","\u0197":"I","\u24BF":"J","\uFF2A":"J","\u0134":"J","\u0248":"J","\u24C0":"K","\uFF2B":"K","\u1E30":"K","\u01E8":"K","\u1E32":"K","\u0136":"K","\u1E34":"K","\u0198":"K","\u2C69":"K","\uA740":"K","\uA742":"K","\uA744":"K","\uA7A2":"K","\u24C1":"L","\uFF2C":"L","\u013F":"L","\u0139":"L","\u013D":"L","\u1E36":"L","\u1E38":"L","\u013B":"L","\u1E3C":"L","\u1E3A":"L","\u0141":"L","\u023D":"L","\u2C62":"L","\u2C60":"L","\uA748":"L","\uA746":"L","\uA780":"L","\u01C7":"LJ","\u01C8":"Lj","\u24C2":"M","\uFF2D":"M","\u1E3E":"M","\u1E40":"M","\u1E42":"M","\u2C6E":"M","\u019C":"M","\u24C3":"N","\uFF2E":"N","\u01F8":"N","\u0143":"N","\u00D1":"N","\u1E44":"N","\u0147":"N","\u1E46":"N","\u0145":"N","\u1E4A":"N","\u1E48":"N","\u0220":"N","\u019D":"N","\uA790":"N","\uA7A4":"N","\u01CA":"NJ","\u01CB":"Nj","\u24C4":"O","\uFF2F":"O","\u00D2":"O","\u00D3":"O","\u00D4":"O","\u1ED2":"O","\u1ED0":"O","\u1ED6":"O","\u1ED4":"O","\u00D5":"O","\u1E4C":"O","\u022C":"O","\u1E4E":"O","\u014C":"O","\u1E50":"O","\u1E52":"O","\u014E":"O","\u022E":"O","\u0230":"O","\u00D6":"O","\u022A":"O","\u1ECE":"O","\u0150":"O","\u01D1":"O","\u020C":"O","\u020E":"O","\u01A0":"O","\u1EDC":"O","\u1EDA":"O","\u1EE0":"O","\u1EDE":"O","\u1EE2":"O","\u1ECC":"O","\u1ED8":"O","\u01EA":"O","\u01EC":"O","\u00D8":"O","\u01FE":"O","\u0186":"O","\u019F":"O","\uA74A":"O","\uA74C":"O","\u01A2":"OI","\uA74E":"OO","\u0222":"OU","\u24C5":"P","\uFF30":"P","\u1E54":"P","\u1E56":"P","\u01A4":"P","\u2C63":"P","\uA750":"P","\uA752":"P","\uA754":"P","\u24C6":"Q","\uFF31":"Q","\uA756":"Q","\uA758":"Q","\u024A":"Q","\u24C7":"R","\uFF32":"R","\u0154":"R","\u1E58":"R","\u0158":"R","\u0210":"R","\u0212":"R","\u1E5A":"R","\u1E5C":"R","\u0156":"R","\u1E5E":"R","\u024C":"R","\u2C64":"R","\uA75A":"R","\uA7A6":"R","\uA782":"R","\u24C8":"S","\uFF33":"S","\u1E9E":"S","\u015A":"S","\u1E64":"S","\u015C":"S","\u1E60":"S","\u0160":"S","\u1E66":"S","\u1E62":"S","\u1E68":"S","\u0218":"S","\u015E":"S","\u2C7E":"S","\uA7A8":"S","\uA784":"S","\u24C9":"T","\uFF34":"T","\u1E6A":"T","\u0164":"T","\u1E6C":"T","\u021A":"T","\u0162":"T","\u1E70":"T","\u1E6E":"T","\u0166":"T","\u01AC":"T","\u01AE":"T","\u023E":"T","\uA786":"T","\uA728":"TZ","\u24CA":"U","\uFF35":"U","\u00D9":"U","\u00DA":"U","\u00DB":"U","\u0168":"U","\u1E78":"U","\u016A":"U","\u1E7A":"U","\u016C":"U","\u00DC":"U","\u01DB":"U","\u01D7":"U","\u01D5":"U","\u01D9":"U","\u1EE6":"U","\u016E":"U","\u0170":"U","\u01D3":"U","\u0214":"U","\u0216":"U","\u01AF":"U","\u1EEA":"U","\u1EE8":"U","\u1EEE":"U","\u1EEC":"U","\u1EF0":"U","\u1EE4":"U","\u1E72":"U","\u0172":"U","\u1E76":"U","\u1E74":"U","\u0244":"U","\u24CB":"V","\uFF36":"V","\u1E7C":"V","\u1E7E":"V","\u01B2":"V","\uA75E":"V","\u0245":"V","\uA760":"VY","\u24CC":"W","\uFF37":"W","\u1E80":"W","\u1E82":"W","\u0174":"W","\u1E86":"W","\u1E84":"W","\u1E88":"W","\u2C72":"W","\u24CD":"X","\uFF38":"X","\u1E8A":"X","\u1E8C":"X","\u24CE":"Y","\uFF39":"Y","\u1EF2":"Y","\u00DD":"Y","\u0176":"Y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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) { |
| var ret, i, l, c; |
| |
| if (!str || str.length < 1) return str; |
| |
| ret = ""; |
| for (i = 0, l = str.length; i < l; i++) { |
| c = str.charAt(i); |
| ret += DIACRITICS[c] || c; |
| } |
| return ret; |
| } |
| |
| function indexOf(value, array) { |
| var i = 0, l = array.length; |
| for (; i < l; i = i + 1) { |
| if (equal(value, array[i])) return i; |
| } |
| return -1; |
| } |
| |
| function measureScrollbar () { |
| var $template = $( MEASURE_SCROLLBAR_TEMPLATE ); |
| $template.appendTo('body'); |
| |
| var dim = { |
| width: $template.width() - $template[0].clientWidth, |
| height: $template.height() - $template[0].clientHeight |
| }; |
| $template.remove(); |
| |
| return dim; |
| } |
| |
| /** |
| * Compares equality of a and b |
| * @param a |
| * @param b |
| */ |
| function equal(a, b) { |
| if (a === b) return true; |
| if (a === undefined || b === undefined) return false; |
| if (a === null || b === null) return false; |
| // Check whether 'a' or 'b' is a string (primitive or object). |
| // The concatenation of an empty string (+'') converts its argument to a string's primitive. |
| if (a.constructor === String) return a+'' === b+''; // a+'' - in case 'a' is a String object |
| if (b.constructor === String) return b+'' === a+''; // b+'' - in case 'b' is a String object |
| return false; |
| } |
| |
| /** |
| * Splits the string into an array of values, trimming each value. An empty array is returned for nulls or empty |
| * strings |
| * @param string |
| * @param separator |
| */ |
| function splitVal(string, separator) { |
| var val, i, l; |
| if (string === null || string.length < 1) return []; |
| val = string.split(separator); |
| for (i = 0, l = val.length; i < l; i = i + 1) val[i] = $.trim(val[i]); |
| return val; |
| } |
| |
| function getSideBorderPadding(element) { |
| return element.outerWidth(false) - element.width(); |
| } |
| |
| function installKeyUpChangeEvent(element) { |
| var key="keyup-change-value"; |
| element.on("keydown", function () { |
| if ($.data(element, key) === undefined) { |
| $.data(element, key, element.val()); |
| } |
| }); |
| element.on("keyup", function () { |
| var val= $.data(element, key); |
| if (val !== undefined && element.val() !== val) { |
| $.removeData(element, key); |
| element.trigger("keyup-change"); |
| } |
| }); |
| } |
| |
| $document.on("mousemove", function (e) { |
| lastMousePosition.x = e.pageX; |
| lastMousePosition.y = e.pageY; |
| }); |
| |
| /** |
| * filters mouse events so an event is fired only if the mouse moved. |
| * |
| * filters out mouse events that occur when mouse is stationary but |
| * the elements under the pointer are scrolled. |
| */ |
| function installFilteredMouseMove(element) { |
| element.on("mousemove", function (e) { |
| var lastpos = lastMousePosition; |
| if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) { |
| $(e.target).trigger("mousemove-filtered", e); |
| } |
| }); |
| } |
| |
| /** |
| * Debounces a function. Returns a function that calls the original fn function only if no invocations have been made |
| * within the last quietMillis milliseconds. |
| * |
| * @param quietMillis number of milliseconds to wait before invoking fn |
| * @param fn function to be debounced |
| * @param ctx object to be used as this reference within fn |
| * @return debounced version of fn |
| */ |
| function debounce(quietMillis, fn, ctx) { |
| ctx = ctx || undefined; |
| var timeout; |
| return function () { |
| var args = arguments; |
| window.clearTimeout(timeout); |
| timeout = window.setTimeout(function() { |
| fn.apply(ctx, args); |
| }, quietMillis); |
| }; |
| } |
| |
| /** |
| * A simple implementation of a thunk |
| * @param formula function used to lazily initialize the thunk |
| * @return {Function} |
| */ |
| function thunk(formula) { |
| var evaluated = false, |
| value; |
| return function() { |
| if (evaluated === false) { value = formula(); evaluated = true; } |
| return value; |
| }; |
| }; |
| |
| function installDebouncedScroll(threshold, element) { |
| var notify = debounce(threshold, function (e) { element.trigger("scroll-debounced", e);}); |
| element.on("scroll", function (e) { |
| if (indexOf(e.target, element.get()) >= 0) notify(e); |
| }); |
| } |
| |
| function focus($el) { |
| if ($el[0] === document.activeElement) return; |
| |
| /* set the focus in a 0 timeout - that way the focus is set after the processing |
| of the current event has finished - which seems like the only reliable way |
| to set focus */ |
| window.setTimeout(function() { |
| var el=$el[0], pos=$el.val().length, range; |
| |
| $el.focus(); |
| |
| /* make sure el received focus so we do not error out when trying to manipulate the caret. |
| sometimes modals or others listeners may steal it after its set */ |
| 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 = dest.attr("class"); |
| if (classes) { |
| classes = '' + classes; // for IE which returns object |
| $(classes.split(" ")).each2(function() { |
| if (this.indexOf("select2-") === 0) { |
| replacements.push(this); |
| } |
| }); |
| } |
| classes = src.attr("class"); |
| if (classes) { |
| classes = '' + classes; // for IE which returns object |
| $(classes.split(" ")).each2(function() { |
| if (this.indexOf("select2-") !== 0) { |
| adapted = adapter(this); |
| if (adapted) { |
| replacements.push(adapted); |
| } |
| } |
| }); |
| } |
| dest.attr("class", replacements.join(" ")); |
| } |
| |
| |
| function markMatch(text, term, markup, escapeMarkup) { |
| var match=stripDiacritics(text.toUpperCase()).indexOf(stripDiacritics(term.toUpperCase())), |
| tl=term.length; |
| |
| if (match<0) { |
| markup.push(escapeMarkup(text)); |
| return; |
| } |
| |
| markup.push(escapeMarkup(text.substring(0, match))); |
| markup.push("<span class='select2-match'>"); |
| markup.push(escapeMarkup(text.substring(match, match + tl))); |
| markup.push("</span>"); |
| markup.push(escapeMarkup(text.substring(match + tl, text.length))); |
| } |
| |
| function defaultEscapeMarkup(markup) { |
| var replace_map = { |
| '\\': '\', |
| '&': '&', |
| '<': '<', |
| '>': '>', |
| '"': '"', |
| "'": ''', |
| "/": '/' |
| }; |
| |
| return String(markup).replace(/[&<>"'\/\\]/g, function (match) { |
| return replace_map[match]; |
| }); |
| } |
| |
| /** |
| * Produces an ajax-based query function |
| * |
| * @param options object containing configuration 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) 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); |
| } |
| } |
| |
| $.extend(params, { |
| url: url, |
| dataType: options.dataType, |
| data: data, |
| success: function (data) { |
| // TODO - replace query.page with query so users have access to term, page, etc. |
| var results = options.results(data, query.page); |
| query.callback(results); |
| } |
| }); |
| handler = transport.call(self, params); |
| }, quietMillis); |
| }; |
| } |
| |
| /** |
| * Produces a query function that works with a local array |
| * |
| * @param options object containing configuration parameters. The options parameter can either be an array or an |
| * object. |
| * |
| * If the array form is used it is assumed that it contains objects with 'id' and 'text' keys. |
| * |
| * If the object form is used ti is assumed that it contains 'data' and 'text' keys. The 'data' key should contain |
| * an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text' |
| * key can either be a String in which case it is expected that each element in the 'data' array has a key with the |
| * value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract |
| * the text. |
| */ |
| function local(options) { |
| var data = options, // data elements |
| dataText, |
| tmp, |
| text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search |
| |
| if ($.isArray(data)) { |
| tmp = data; |
| data = { results: tmp }; |
| } |
| |
| if ($.isFunction(data) === false) { |
| tmp = data; |
| data = function() { return tmp; }; |
| } |
| |
| var dataItem = data(); |
| if (dataItem.text) { |
| text = dataItem.text; |
| // if text is not a function we assume it to be a key name |
| if (!$.isFunction(text)) { |
| dataText = dataItem.text; // we need to store this in a separate variable because in the next step data gets reset and data.text is no longer available |
| text = function (item) { return item[dataText]; }; |
| } |
| } |
| |
| return function (query) { |
| var t = query.term, filtered = { results: [] }, process; |
| if (t === "") { |
| query.callback(data()); |
| return; |
| } |
| |
| process = function(datum, collection) { |
| var group, attr; |
| datum = datum[0]; |
| if (datum.children) { |
| group = {}; |
| for (attr in datum) { |
| if (datum.hasOwnProperty(attr)) group[attr]=datum[attr]; |
| } |
| group.children=[]; |
| $(datum.children).each2(function(i, childDatum) { process(childDatum, group.children); }); |
| if (group.children.length || query.matcher(t, text(group), datum)) { |
| collection.push(group); |
| } |
| } else { |
| if (query.matcher(t, text(datum), datum)) { |
| collection.push(datum); |
| } |
| } |
| }; |
| |
| $(data().results).each2(function(i, datum) { process(datum, filtered.results); }); |
| query.callback(filtered); |
| }; |
| } |
| |
| // TODO javadoc |
| function tags(data) { |
| var isFunc = $.isFunction(data); |
| return function (query) { |
| var t = query.term, filtered = {results: []}; |
| $(isFunc ? data() : data).each(function () { |
| var isObject = this.text !== undefined, |
| text = isObject ? this.text : this; |
| if (t === "" || query.matcher(t, text)) { |
| filtered.results.push(isObject ? this : {id: this, text: this}); |
| } |
| }); |
| query.callback(filtered); |
| }; |
| } |
| |
| /** |
| * Checks if the formatter function should be used. |
| * |
| * Throws an error if it is not a function. Returns true if it should be used, |
| * false if no formatting should be performed. |
| * |
| * @param formatter |
| */ |
| function checkFormatter(formatter, formatterName) { |
| if ($.isFunction(formatter)) return true; |
| if (!formatter) return false; |
| if (typeof(formatter) === 'string') return true; |
| throw new Error(formatterName +" must be a string, function, or falsy value"); |
| } |
| |
| function evaluate(val) { |
| if ($.isFunction(val)) { |
| var args = Array.prototype.slice.call(arguments, 1); |
| return val.apply(null, 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; |
| } |
| |
| /** |
| * 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 = $("<span>", { |
| role: "status", |
| "aria-live": "polite" |
| }) |
| .addClass("select2-hidden-accessible") |
| .appendTo(document.body); |
| |
| this.containerId="s2id_"+(opts.element.attr("id") || "autogen"+nextUid()).replace(/([;&,\-\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1'); |
| this.containerSelector="#"+this.containerId; |
| this.container.attr("id", this.containerId); |
| |
| // cache the body so future lookups are cheap |
| this.body = thunk(function() { return opts.element.closest("body"); }); |
| |
| syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass); |
| |
| this.container.attr("style", opts.element.attr("style")); |
| this.container.css(evaluate(opts.containerCss)); |
| this.container.addClass(evaluate(opts.containerCssClass)); |
| |
| this.elementTabIndex = this.opts.element.attr("tabindex"); |
| |
| // swap container for the element |
| this.opts.element |
| .data("select2", this) |
| .attr("tabindex", "-1") |
| .before(this.container) |
| .on("click.select2", killEvent); // do not leak click events |
| |
| this.container.data("select2", this); |
| |
| this.dropdown = this.container.find(".select2-drop"); |
| |
| syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass); |
| |
| this.dropdown.addClass(evaluate(opts.dropdownCssClass)); |
| this.dropdown.data("select2", this); |
| this.dropdown.on("click", killEvent); |
| |
| this.results = results = this.container.find(resultsSelector); |
| this.search = search = this.container.find("input.select2-input"); |
| |
| this.queryCount = 0; |
| this.resultsPage = 0; |
| this.context = null; |
| |
| // initialize the container |
| this.initContainer(); |
| |
| this.container.on("click", killEvent); |
| |
| installFilteredMouseMove(this.results); |
| this.dropdown.on("mousemove-filtered touchstart touchmove touchend", resultsSelector, this.bind(this.highlightUnderEvent)); |
| this.dropdown.on("touchend", resultsSelector, this.bind(this.selectHighlighted)); |
| this.dropdown.on("touchmove", resultsSelector, this.bind(this.touchMoved)); |
| this.dropdown.on("touchstart touchend", resultsSelector, this.bind(this.clearTouchMoved)); |
| |
| 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 ($(e.target).closest(".select2-result-selectable").length > 0) { |
| this.highlightUnderEvent(e); |
| this.selectHighlighted(e); |
| } |
| })); |
| |
| // trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening |
| // for mouse events outside of itself so it can close itself. since the dropdown is now outside the select2's |
| // dom it will trigger the popup close, which is not what we want |
| // focusin can cause focus wars between modals and select2 since the dropdown is outside the modal. |
| this.dropdown.on("click mouseup mousedown focusin", function (e) { e.stopPropagation(); }); |
| |
| this.nextSearchTerm = undefined; |
| |
| if ($.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 (this.propertyObserver) { delete this.propertyObserver; this.propertyObserver = 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(); |
| } |
| }, |
| |
| // 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 = $.extend({}, { |
| populateResults: function(container, results, query) { |
| var populate, id=this.opts.id, liveRegion=this.liveRegion; |
| |
| populate=function(results, container, depth) { |
| |
| var i, l, result, selectable, disabled, compound, node, label, innerContainer, formatted; |
| |
| results = opts.sortResults(results, container, query); |
| |
| for (i = 0, l = results.length; i < l; i = i + 1) { |
| |
| result=results[i]; |
| |
| disabled = (result.disabled === true); |
| selectable = (!disabled) && (id(result) !== undefined); |
| |
| compound=result.children && result.children.length > 0; |
| |
| node=$("<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); |
| container.append(node); |
| } |
| |
| 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, sync, observer; |
| |
| el.on("change.select2", this.bind(function (e) { |
| if (this.opts.element.data("select2-change-triggered") !== true) { |
| this.initSelection(); |
| } |
| })); |
| |
| sync = this.bind(function () { |
| |
| // sync enabled state |
| var disabled = el.prop("disabled"); |
| if (disabled === undefined) disabled = false; |
| this.enable(!disabled); |
| |
| var readonly = el.prop("readonly"); |
| if (readonly === undefined) readonly = false; |
| this.readonly(readonly); |
| |
| syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass); |
| this.container.addClass(evaluate(this.opts.containerCssClass)); |
| |
| syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass); |
| this.dropdown.addClass(evaluate(this.opts.dropdownCssClass)); |
| |
| }); |
| |
| // IE8-10 |
| el.on("propertychange.select2", sync); |
| |
| // hold onto a reference of the callback to work around a chromium bug |
| if (this.mutationCallback === undefined) { |
| this.mutationCallback = function (mutations) { |
| mutations.forEach(sync); |
| } |
| } |
| |
| // safari, chrome, firefox, IE11 |
| observer = window.MutationObserver || window.WebKitMutationObserver|| window.MozMutationObserver; |
| if (observer !== undefined) { |
| if (this.propertyObserver) { delete this.propertyObserver; this.propertyObserver = null; } |
| this.propertyObserver = new observer(this.mutationCallback); |
| this.propertyObserver.observe(el.get(0), { attributes:true, subtree:false }); |
| } |
| }, |
| |
| // abstract |
| triggerSelect: function(data) { |
| var evt = $.Event("select2-selecting", { val: this.id(data), object: data }); |
| this.opts.element.trigger(evt); |
| return !evt.isDefaultPrevented(); |
| }, |
| |
| /** |
| * Triggers the change event on the source element |
| */ |
| // abstract |
| triggerChange: function (details) { |
| |
| details = details || {}; |
| details= $.extend({}, details, { type: "change", val: this.val() }); |
| // prevents recursive triggering |
| this.opts.element.data("select2-change-triggered", true); |
| this.opts.element.trigger(details); |
| this.opts.element.data("select2-change-triggered", false); |
| |
| // some validation frameworks ignore the change event and listen instead to keyup, click for selects |
| // so here we trigger the click event manually |
| this.opts.element.click(); |
| |
| // ValidationEngine 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.hasClass("select2-dropdown-open"); |
| }, |
| |
| // abstract |
| positionDropdown: function() { |
| var $dropdown = this.dropdown, |
| offset = this.container.offset(), |
| height = this.container.outerHeight(false), |
| width = this.container.outerWidth(false), |
| dropHeight = $dropdown.outerHeight(false), |
| $window = $(window), |
| windowWidth = $window.width(), |
| windowHeight = $window.height(), |
| viewPortRight = $window.scrollLeft() + windowWidth, |
| viewportBottom = $window.scrollTop() + windowHeight, |
| dropTop = offset.top + height, |
| dropLeft = offset.left, |
| enoughRoomBelow = dropTop + dropHeight <= viewportBottom, |
| enoughRoomAbove = (offset.top - dropHeight) >= $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(); |
| } |
| |
| if (this.opts.dropdownAutoWidth) { |
| resultsListNode = $('.select2-results', $dropdown)[0]; |
| $dropdown.addClass('select2-drop-auto-width'); |
| $dropdown.css('width', ''); |
| // Add scrollbar width to dropdown if vertical scrollbar is present |
| dropWidth = $dropdown.outerWidth(false) + (resultsListNode.scrollHeight === resultsListNode.clientHeight ? 0 : scrollBarDimensions.width); |
| dropWidth > width ? width = dropWidth : dropWidth = width; |
| enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight; |
| } |
| else { |
| this.container.removeClass('select2-drop-auto-width'); |
| } |
| |
| //console.log("below/ droptop:", dropTop, "dropHeight", dropHeight, "sum", (dropTop+dropHeight)+" viewport bottom", viewportBottom, "enough?", enoughRoomBelow); |
| //console.log("above/ offset.top", offset.top, "dropHeight", dropHeight, "top", (offset.top-dropHeight), "scrollTop", this.body().scrollTop(), "enough?", enoughRoomAbove); |
| |
| // fix positioning when body has an offset and is not position: static |
| if (this.body().css('position') !== 'static') { |
| bodyOffset = this.body().offset(); |
| dropTop -= bodyOffset.top; |
| dropLeft -= bodyOffset.left; |
| } |
| |
| if (!enoughRoomOnRight) { |
| dropLeft = offset.left + 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)); |
| |
| $dropdown.css(css); |
| }, |
| |
| // abstract |
| shouldOpen: function() { |
| var event; |
| |
| if (this.opened()) return false; |
| |
| if (this._enabled === false || this._readonly === true) return false; |
| |
| event = $.Event("select2-opening"); |
| this.opts.element.trigger(event); |
| return !event.isDefaultPrevented(); |
| }, |
| |
| // abstract |
| clearDropdownAlignmentPreference: function() { |
| // clear the classes used to figure out the preference of where the dropdown should be opened |
| this.container.removeClass("select2-drop-above"); |
| this.dropdown.removeClass("select2-drop-above"); |
| }, |
| |
| /** |
| * Opens the dropdown |
| * |
| * @return {Boolean} whether or not dropdown was opened. This method will return false if, for example, |
| * the dropdown is already open, or if the 'open' event listener on the element called preventDefault(). |
| */ |
| // abstract |
| open: function () { |
| |
| if (!this.shouldOpen()) return false; |
| |
| this.opening(); |
| |
| return true; |
| }, |
| |
| /** |
| * Performs the opening of the dropdown |
| */ |
| // abstract |
| opening: function() { |
| var cid = this.containerId, |
| scroll = "scroll." + cid, |
| resize = "resize."+cid, |
| orient = "orientationchange."+cid, |
| mask; |
| |
| this.container.addClass("select2-dropdown-open").addClass("select2-container-active"); |
| |
| this.clearDropdownAlignmentPreference(); |
| |
| if(this.dropdown[0] !== this.body().children().last()[0]) { |
| this.dropdown.detach().appendTo(this.body()); |
| } |
| |
| // create the dropdown mask if 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) { |
| that.positionDropdown(); |
| }); |
| }); |
| |
| |
| }, |
| |
| // abstract |
| close: function () { |
| if (!this.opened()) return; |
| |
| var cid = this.containerId, |
| scroll = "scroll." + cid, |
| resize = "resize."+cid, |
| orient = "orientationchange."+cid; |
| |
| // unbind event listeners |
| this.container.parents().add(window).each(function () { $(this).off(scroll).off(resize).off(orient); }); |
| |
| this.clearDropdownAlignmentPreference(); |
| |
| $("#select2-drop-mask").hide(); |
| this.dropdown.removeAttr("id"); // only the active dropdown has the select2-drop id |
| this.dropdown.hide(); |
| this.container.removeClass("select2-dropdown-open").removeClass("select2-container-active"); |
| this.results.empty(); |
| |
| |
| this.clearSearch(); |
| this.search.removeClass("select2-active"); |
| this.opts.element.trigger($.Event("select2-close")); |
| }, |
| |
| /** |
| * Opens control, sets input value, and updates results. |
| */ |
| // abstract |
| externalSearch: function (term) { |
| this.open(); |
| this.search.val(term); |
| this.updateResults(false); |
| }, |
| |
| // abstract |
| clearSearch: function () { |
| |
| }, |
| |
| //abstract |
| getMaximumSelectionSize: function() { |
| return evaluate(this.opts.maximumSelectionSize); |
| }, |
| |
| // abstract |
| ensureHighlightVisible: function () { |
| var results = this.results, children, index, child, hb, rb, y, more; |
| |
| index = this.highlight(); |
| |
| if (index < 0) return; |
| |
| if (index == 0) { |
| |
| // if the first element is highlighted scroll all the way to the top, |
| // that way any unselectable headers above it will also be scrolled |
| // into view |
| |
| results.scrollTop(0); |
| return; |
| } |
| |
| children = this.findHighlightableChoices().find('.select2-result-label'); |
| |
| child = $(children[index]); |
| |
| hb = child.offset().top + child.outerHeight(true); |
| |
| // if this is the last child lets also make sure select2-more-results is visible |
| if (index === children.length - 1) { |
| more = results.find("li.select2-more-results"); |
| if (more.length > 0) { |
| hb = more.offset().top + more.outerHeight(true); |
| } |
| } |
| |
| rb = results.offset().top + results.outerHeight(true); |
| if (hb > rb) { |
| results.scrollTop(results.scrollTop() + (hb - rb)); |
| } |
| y = child.offset().top - results.offset().top; |
| |
| // make sure the top of the element is visible |
| if (y < 0 && child.css('display') != 'none' ) { |
| results.scrollTop(results.scrollTop() + y); // y is negative |
| } |
| }, |
| |
| // abstract |
| findHighlightableChoices: function() { |
| return this.results.find(".select2-result-selectable:not(.select2-disabled):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, 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, maxSelSize) + "</li>"); |
| return; |
| } |
| } |
| |
| if (search.val().length < opts.minimumInputLength) { |
| if (checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) { |
| render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooShort, search.val(), opts.minimumInputLength) + "</li>"); |
| } else { |
| render(""); |
| } |
| if (initial && this.showSearch) this.showSearch(true); |
| return; |
| } |
| |
| if (opts.maximumInputLength && search.val().length > opts.maximumInputLength) { |
| if (checkFormatter(opts.formatInputTooLong, "formatInputTooLong")) { |
| render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooLong, search.val(), opts.maximumInputLength) + "</li>"); |
| } else { |
| render(""); |
| } |
| return; |
| } |
| |
| if (opts.formatSearching && this.findHighlightableChoices().length === 0) { |
| render("<li class='select2-searching'>" + evaluate(opts.formatSearching) + "</li>"); |
| } |
| |
| search.addClass("select2-active"); |
| |
| this.removeHighlight(); |
| |
| // give the tokenizer a chance to pre-process the input |
| input = this.tokenize(); |
| if (input != undefined && input != null) { |
| search.val(input); |
| } |
| |
| this.resultsPage = 1; |
| |
| opts.query({ |
| element: opts.element, |
| term: search.val(), |
| page: this.resultsPage, |
| context: null, |
| matcher: opts.matcher, |
| callback: this.bind(function (data) { |
| var def; // default choice |
| |
| // ignore old responses |
| if (queryNumber != this.queryCount) { |
| return; |
| } |
| |
| // ignore a response if the select2 has been closed before it was received |
| if (!this.opened()) { |
| this.search.removeClass("select2-active"); |
| return; |
| } |
| |
| // save context, if any |
| this.context = (data.context===undefined) ? null : data.context; |
| // create a default choice and prepend it to the list |
| if (this.opts.createSearchChoice && search.val() !== "") { |
| def = this.opts.createSearchChoice.call(self, search.val(), data.results); |
| if (def !== undefined && def !== null && self.id(def) !== undefined && self.id(def) !== null) { |
| if ($(data.results).filter( |
| function () { |
| return equal(self.id(this), self.id(def)); |
| }).length === 0) { |
| this.opts.createSearchChoicePosition(data.results, def); |
| } |
| } |
| } |
| |
| if (data.results.length === 0 && checkFormatter(opts.formatNoMatches, "formatNoMatches")) { |
| render("<li class='select2-no-results'>" + evaluate(opts.formatNoMatches, search.val()) + "</li>"); |
| return; |
| } |
| |
| results.empty(); |
| self.opts.populateResults.call(this, results, data.results, {term: search.val(), page: this.resultsPage, context:null}); |
| |
| if (data.more === true && checkFormatter(opts.formatLoadMore, "formatLoadMore")) { |
| results.append("<li class='select2-more-results'>" + self.opts.escapeMarkup(evaluate(opts.formatLoadMore, this.resultsPage)) + "</li>"); |
| window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10); |
| } |
| |
| this.postprocessResults(data, initial); |
| |
| postRender(); |
| |
| this.opts.element.trigger({ type: "select2-loaded", items: data }); |
| })}); |
| }, |
| |
| // abstract |
| cancel: function () { |
| this.close(); |
| }, |
| |
| // abstract |
| blur: function () { |
| // if selectOnBlur == true, select the currently highlighted option |
| if (this.opts.selectOnBlur) |
| this.selectHighlighted({noFocus: true}); |
| |
| this.close(); |
| this.container.removeClass("select2-container-active"); |
| // synonymous to .is(':focus'), which is available in jquery >= 1.6 |
| if (this.search[0] === document.activeElement) { this.search.blur(); } |
| this.clearSearch(); |
| this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus"); |
| }, |
| |
| // abstract |
| focusSearch: function () { |
| focus(this.search); |
| }, |
| |
| // abstract |
| selectHighlighted: function (options) { |
| 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 (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()); |
| } |
| 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); |
| }, |
| |
| // 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($.Event("select2-focus")); |
| } |
| |
| if (this.opened()) { |
| this.close(); |
| } else if (this.isInterfaceEnabled()) { |
| this.open(); |
| } |
| |
| killEvent(e); |
| })); |
| |
| dropdown.on("mousedown touchstart", this.bind(function() { this.search.focus(); })); |
| |
| selection.on("focus", this.bind(function(e) { |
| killEvent(e); |
| })); |
| |
| this.focusser.on("focus", this.bind(function(){ |
| if (!this.container.hasClass("select2-container-active")) { |
| this.opts.element.trigger($.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()) 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() { |
| $("label[for='" + this.search.attr('id') + "']") |
| .attr('for', this.opts.element.attr("id")); |
| this.parent.destroy.apply(this, arguments); |
| }, |
| |
| // multi |
| initContainer: function () { |
| |
| var selector = ".select2-choices", selection; |
| |
| this.searchContainer = this.container.find(".select2-search-field"); |
| this.selection = selection = this.container.find(selector); |
| |
| var _this = this; |
| this.selection.on("click", ".select2-search-choice:not(.select2-locked)", function (e) { |
| //killEvent(e); |
| _this.search[0].focus(); |
| _this.selectChoice($(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.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); |
| 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.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) && 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) { 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) { |
| // 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)); |