diff options
| author | Simon Lejeune <sle@openerp.com> | 2014-10-01 18:53:07 +0200 |
|---|---|---|
| committer | Simon Lejeune <sle@openerp.com> | 2014-10-02 15:41:55 +0200 |
| commit | 6e8b67866709126faf24238dc8372e24752eff35 (patch) | |
| tree | c8016ddef3ef6b88ec6fdb4950937ffe82e4557b /addons/web/static/lib/select2/select2.js | |
| parent | 14f30857762ef325b97d82624eb21a7efaa0406b (diff) | |
[FIX] web: manual update of select2 lib to 3.5.1 version
The previous version of the lib seemed to be in an inconsistent state.
This fix the select2-offscreen class when the page is larger than
10 000px (this situation happens when importing a file with lots
of column).
Diffstat (limited to 'addons/web/static/lib/select2/select2.js')
| -rw-r--r-- | addons/web/static/lib/select2/select2.js | 2513 |
1 files changed, 1807 insertions, 706 deletions
diff --git a/addons/web/static/lib/select2/select2.js b/addons/web/static/lib/select2/select2.js index 42ce0a928b8..2556185b022 100644 --- a/addons/web/static/lib/select2/select2.js +++ b/addons/web/static/lib/select2/select2.js @@ -1,35 +1,41 @@ /* - Copyright 2012 Igor Vaynberg - - Version: @@ver@@ Timestamp: @@timestamp@@ - - Licensed under the Apache License, Version 2.0 (the "License"); you may not use this work except in - compliance with the License. You may obtain a copy of the License in the LICENSE file, or at: - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software distributed under the License is - distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and limitations under the License. - */ - (function ($) { - if(typeof $.fn.each2 == "undefined"){ - $.fn.extend({ - /* - * 4-10 times faster .each replacement - * use it carefully, as it overrides jQuery context of element on each iteration - */ - each2 : function (c) { - var j = $([0]), i = -1, l = this.length; - while ( - ++i < l - && (j.context = j[0] = this[i]) - && c.call(j[0], i, j) !== false //"this"=DOM, i=index, j=jQuery object - ); - return this; - } - }); - } +Copyright 2012 Igor Vaynberg + +Version: 3.5.1 Timestamp: Tue Jul 22 18:58:56 EDT 2014 + +This software is licensed under the Apache License, Version 2.0 (the "Apache License") or the GNU +General Public License version 2 (the "GPL License"). You may choose either license to govern your +use of this software only upon the condition that you accept all of the terms of either the Apache +License or the GPL License. + +You may obtain a copy of the Apache License and the GPL License at: + + http://www.apache.org/licenses/LICENSE-2.0 + http://www.gnu.org/licenses/gpl-2.0.html + +Unless required by applicable law or agreed to in writing, software distributed under the +Apache License or the GPL License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR +CONDITIONS OF ANY KIND, either express or implied. See the Apache License and the GPL License for +the specific language governing permissions and limitations under the Apache License and the GPL License. +*/ +(function ($) { + 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) { @@ -40,7 +46,8 @@ return; } - var KEY, AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer; + var KEY, AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer, + lastMousePosition={x:0,y:0}, $document, scrollBarDimensions, KEY = { TAB: 9, @@ -88,34 +95,56 @@ k = k.which ? k.which : k; return k >= 112 && k <= 123; } - }; + }, + MEASURE_SCROLLBAR_TEMPLATE = "<div class='select2-measure-scrollbar'></div>", + + DIACRITICS = 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+ + $document = $(document); nextUid=(function() { var counter=1; return function() { return counter++; }; }()); - function indexOf(value, array) { - var i = 0, l = array.length, v; - if (typeof value === "undefined") { - return -1; + function reinsertElement(element) { + var placeholder = $(document.createTextNode('')); + + element.before(placeholder); + placeholder.before(element); + placeholder.remove(); + } + + function stripDiacritics(str) { + // Used 'uni range + named function' from http://jsperf.com/diacritics/18 + function match(a) { + return DIACRITICS[a] || a; } - if (value.constructor === String) { - for (; i < l; i = i + 1) if (value.localeCompare(array[i]) === 0) return i; - } else { - for (; i < l; i = i + 1) { - v = array[i]; - if (v.constructor === String) { - if (v.localeCompare(value) === 0) return i; - } else { - if (v === value) return i; - } - } + return str.replace(/[^\u0000-\u007E]/g, match); + } + + function indexOf(value, array) { + var i = 0, l = array.length; + for (; i < l; i = i + 1) { + if (equal(value, array[i])) return i; } return -1; } + function measureScrollbar () { + var $template = $( MEASURE_SCROLLBAR_TEMPLATE ); + $template.appendTo('body'); + + var dim = { + width: $template.width() - $template[0].clientWidth, + height: $template.height() - $template[0].clientHeight + }; + $template.remove(); + + return dim; + } + /** - * Compares equality of a and b taking into account that a and b may be strings, in which case localeCompare is used + * Compares equality of a and b * @param a * @param b */ @@ -123,8 +152,10 @@ if (a === b) return true; if (a === undefined || b === undefined) return false; if (a === null || b === null) return false; - if (a.constructor === String) return a.localeCompare(b) === 0; - if (b.constructor === String) return b.localeCompare(a) === 0; + // Check whether 'a' or 'b' is a string (primitive or object). + // The concatenation of an empty string (+'') converts its argument to a string's primitive. + if (a.constructor === String) return a+'' === b+''; // a+'' - in case 'a' is a String object + if (b.constructor === String) return b+'' === a+''; // b+'' - in case 'b' is a String object return false; } @@ -143,17 +174,17 @@ } function getSideBorderPadding(element) { - return element.outerWidth() - element.width(); + return element.outerWidth(false) - element.width(); } function installKeyUpChangeEvent(element) { var key="keyup-change-value"; - element.bind("keydown", function () { + element.on("keydown", function () { if ($.data(element, key) === undefined) { $.data(element, key, element.val()); } }); - element.bind("keyup", function () { + element.on("keyup", function () { var val= $.data(element, key); if (val !== undefined && element.val() !== val) { $.removeData(element, key); @@ -162,9 +193,6 @@ }); } - $(document).delegate("*", "mousemove", function (e) { - $.data(document, "select2-lastpos", {x: e.pageX, y: e.pageY}); - }); /** * filters mouse events so an event is fired only if the mouse moved. @@ -173,8 +201,8 @@ * the elements under the pointer are scrolled. */ function installFilteredMouseMove(element) { - element.bind("mousemove", function (e) { - var lastpos = $.data(document, "select2-lastpos"); + element.on("mousemove", function (e) { + var lastpos = lastMousePosition; if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) { $(e.target).trigger("mousemove-filtered", e); } @@ -202,81 +230,171 @@ }; } - /** - * A simple implementation of a thunk - * @param formula function used to lazily initialize the thunk - * @return {Function} - */ - function thunk(formula) { - var evaluated = false, - value; - return function() { - if (evaluated === false) { value = formula(); evaluated = true; } - return value; - }; - }; - function installDebouncedScroll(threshold, element) { var notify = debounce(threshold, function (e) { element.trigger("scroll-debounced", e);}); - element.bind("scroll", function (e) { + element.on("scroll", function (e) { if (indexOf(e.target, element.get()) >= 0) notify(e); }); } + function focus($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 = $("<div></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" - }); - $("body").append(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 markMatch(text, term, markup) { - var match=text.toUpperCase().indexOf(term.toUpperCase()), + function syncCssClasses(dest, src, adapter) { + var classes, replacements = [], adapted; + + classes = $.trim(dest.attr("class")); + + if (classes) { + classes = '' + classes; // for IE which returns object + + $(classes.split(/\s+/)).each2(function() { + if (this.indexOf("select2-") === 0) { + replacements.push(this); + } + }); + } + + classes = $.trim(src.attr("class")); + + if (classes) { + classes = '' + classes; // for IE which returns object + + $(classes.split(/\s+/)).each2(function() { + if (this.indexOf("select2-") !== 0) { + adapted = adapter(this); + + if (adapted) { + replacements.push(adapted); + } + } + }); + } + + dest.attr("class", replacements.join(" ")); + } + + + function markMatch(text, term, markup, escapeMarkup) { + var match=stripDiacritics(text.toUpperCase()).indexOf(stripDiacritics(term.toUpperCase())), tl=term.length; if (match<0) { - markup.push(text); + markup.push(escapeMarkup(text)); return; } - markup.push(text.substring(0, match)); + markup.push(escapeMarkup(text.substring(0, match))); markup.push("<span class='select2-match'>"); - markup.push(text.substring(match, match + tl)); + markup.push(escapeMarkup(text.substring(match, match + tl))); markup.push("</span>"); - markup.push(text.substring(match + tl, text.length)); + markup.push(escapeMarkup(text.substring(match + tl, text.length))); + } + + function defaultEscapeMarkup(markup) { + var replace_map = { + '\\': '\', + '&': '&', + '<': '<', + '>': '>', + '"': '"', + "'": ''', + "/": '/' + }; + + return String(markup).replace(/[&<>"'\/\\]/g, function (match) { + return replace_map[match]; + }); } /** * Produces an ajax-based query function * - * @param options object containing configuration paramters + * @param options 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 datatatypes supported by jQuery's $.ajax function or the transport function if specified - * @param options.traditional a boolean flag that should be true if you wish to use the traditional style of param serialization for the ajax request + * @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. + * @param options.results a function(remoteData, pageNumber, query) that converts data returned form the remote request to the format expected by Select2. * The expected format is an object containing the following keys: * results array of objects that will be used as choices * more (optional) boolean indicating whether there are more results available @@ -284,39 +402,61 @@ */ function ajax(options) { var timeout, // current scheduled but not yet executed request - requestSequence = 0, // sequence used to drop out-of-order responses handler = null, - quietMillis = options.quietMillis || 100; + quietMillis = options.quietMillis || 100, + ajaxUrl = options.url, + self = this; return function (query) { window.clearTimeout(timeout); timeout = window.setTimeout(function () { - requestSequence += 1; // increment the sequence - var requestNumber = requestSequence, // this request's sequence number - data = options.data, // ajax data function - transport = options.transport || $.ajax, - traditional = options.traditional || false, - type = options.type || 'GET'; // set type of request (GET or POST) - - data = data.call(this, query.term, query.page, query.context); - - if( null !== handler) { handler.abort(); } + 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); + } + } - handler = transport.call(null, { - url: options.url, + $.extend(params, { + url: url, dataType: options.dataType, data: data, - type: type, - traditional: traditional, success: function (data) { - if (requestNumber < requestSequence) { - return; - } - // TODO 3.0 - replace query.page with query so users have access to term, page, etc. - var results = options.results(data, query.page); + // TODO - replace query.page with query so users have access to term, page, etc. + // added query as third paramter to keep backwards compatibility + var results = options.results(data, query.page, query); + query.callback(results); + }, + error: function(jqXHR, textStatus, errorThrown){ + var results = { + hasError: true, + jqXHR: jqXHR, + textStatus: textStatus, + errorThrown: errorThrown, + }; + query.callback(results); } }); + handler = transport.call(self, params); }, quietMillis); }; } @@ -329,7 +469,7 @@ * * If the array form is used it is assumed that it contains objects with 'id' and 'text' keys. * - * If the object form is used ti is assumed that it contains 'data' and 'text' keys. The 'data' key should contain + * If the object form is used it is assumed that it contains 'data' and 'text' keys. The 'data' key should contain * an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text' * key can either be a String in which case it is expected that each element in the 'data' array has a key with the * value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract @@ -338,22 +478,33 @@ function local(options) { var data = options, // data elements dataText, + tmp, text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search - if (!$.isArray(data)) { - text = data.text; + 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 = data.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]; }; + 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]; }; } - data = data.results; } return function (query) { var t = query.term, filtered = { results: [] }, process; if (t === "") { - query.callback({results: data}); + query.callback(data()); return; } @@ -367,41 +518,37 @@ } group.children=[]; $(datum.children).each2(function(i, childDatum) { process(childDatum, group.children); }); - if (group.children.length) { + if (group.children.length || query.matcher(t, text(group), datum)) { collection.push(group); } } else { - if (query.matcher(t, text(datum))) { + if (query.matcher(t, text(datum), datum)) { collection.push(datum); } } }; - $(data).each2(function(i, datum) { process(datum, filtered.results); }); + $(data().results).each2(function(i, datum) { process(datum, filtered.results); }); query.callback(filtered); }; } // TODO javadoc function tags(data) { - // TODO even for a function we should probably return a wrapper that does the same object/string check as - // the function for arrays. otherwise only functions that return objects are supported. - if ($.isFunction(data)) { - return data; - } - - // if not a function we assume it to be an array - + var isFunc = $.isFunction(data); return function (query) { var t = query.term, filtered = {results: []}; - $(data).each(function () { - var isObject = this.text !== undefined, - text = isObject ? this.text : this; - if (t === "" || query.matcher(t, text)) { - filtered.results.push(isObject ? this : {id: this, text: this}); - } - }); - query.callback(filtered); + var result = isFunc ? data(query) : data; + if ($.isArray(result)) { + $(result).each(function () { + var isObject = this.text !== undefined, + text = isObject ? this.text : this; + if (t === "" || query.matcher(t, text)) { + filtered.results.push(isObject ? this : {id: this, text: this}); + } + }); + query.callback(filtered); + } }; } @@ -416,11 +563,24 @@ function checkFormatter(formatter, formatterName) { if ($.isFunction(formatter)) return true; if (!formatter) return false; - throw new Error("formatterName must be a function or a falsy value"); + if (typeof(formatter) === 'string') return true; + throw new Error(formatterName +" must be a string, function, or falsy value"); } - function evaluate(val) { - return $.isFunction(val) ? val() : val; + /** + * Returns a given value + * If given a function, returns its output + * + * @param val string|function + * @param context value of "this" to be passed to function + * @returns {*} + */ + function evaluate(val, context) { + if ($.isFunction(val)) { + var args = Array.prototype.slice.call(arguments, 2); + return val.apply(context, args); + } + return val; } function countResults(results) { @@ -471,7 +631,7 @@ input = input.substring(index + separator.length); if (token.length > 0) { - token = opts.createSearchChoice(token, selection); + 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++) { @@ -485,37 +645,17 @@ } } - if (original.localeCompare(input) != 0) return input; + if (original!==input) return input; } - /** - * blurs any Select2 container that has focus when an element outside them was clicked or received focus - * - * also takes care of clicks on label tags that point to the source element - */ - $(document).ready(function () { - $(document).delegate("*", "mousedown touchend", function (e) { - var target = $(e.target).closest("div.select2-container").get(0), attr; - if (target) { - $(document).find("div.select2-container-active").each(function () { - if (this !== target) $(this).data("select2").blur(); - }); - } else { - target = $(e.target).closest("div.select2-drop").get(0); - $(document).find("div.select2-drop-active").each(function () { - if (this !== target) $(this).data("select2").blur(); - }); - } + function cleanupJQueryElements() { + var self = this; - target=$(e.target); - attr = target.attr("for"); - if ("LABEL" === e.target.tagName && attr && attr.length > 0) { - target = $("#"+attr); - target = target.data("select2"); - if (target !== undefined) { target.focus(); e.preventDefault();} - } + $.each(arguments, function (i, element) { + self[element].remove(); + self[element] = null; }); - }); + } /** * Creates a new class @@ -554,59 +694,95 @@ // destroy if called on an existing component if (opts.element.data("select2") !== undefined && opts.element.data("select2") !== null) { - this.destroy(); + opts.element.data("select2").destroy(); } - this.enabled=true; this.container = this.createContainer(); + this.liveRegion = $("<span>", { + role: "status", + "aria-live": "polite" + }) + .addClass("select2-hidden-accessible") + .appendTo(document.body); + this.containerId="s2id_"+(opts.element.attr("id") || "autogen"+nextUid()); - this.containerSelector="#"+this.containerId.replace(/([;&,\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1'); + this.containerEventName= this.containerId + .replace(/([.])/g, '_') + .replace(/([;&,\-\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1'); this.container.attr("id", this.containerId); - // cache the body so future lookups are cheap - this.body = thunk(function() { return opts.element.closest("body"); }); + this.container.attr("title", opts.element.attr("title")); - if (opts.element.attr("class") !== undefined) { - this.container.addClass(opts.element.attr("class").replace(/validate\[[\S ]+] ?/, '')); - } + this.body = $("body"); + + syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass); + + this.container.attr("style", opts.element.attr("style")); + this.container.css(evaluate(opts.containerCss, this.opts.element)); + this.container.addClass(evaluate(opts.containerCssClass, this.opts.element)); - this.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) - .hide() - .before(this.container); + .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"); - this.dropdown.addClass(evaluate(opts.dropdownCssClass)); + + syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass); + + this.dropdown.addClass(evaluate(opts.dropdownCssClass, this.opts.element)); this.dropdown.data("select2", this); + this.dropdown.on("click", killEvent); this.results = results = this.container.find(resultsSelector); this.search = search = this.container.find("input.select2-input"); - search.attr("tabIndex", this.opts.element.attr("tabIndex")); - + this.queryCount = 0; this.resultsPage = 0; this.context = null; // initialize the container this.initContainer(); - this.initContainerWidth(); + + this.container.on("click", killEvent); installFilteredMouseMove(this.results); - this.dropdown.delegate(resultsSelector, "mousemove-filtered", this.bind(this.highlightUnderEvent)); + + this.dropdown.on("mousemove-filtered", resultsSelector, this.bind(this.highlightUnderEvent)); + this.dropdown.on("touchstart touchmove touchend", resultsSelector, this.bind(function (event) { + this._touchEvent = true; + this.highlightUnderEvent(event); + })); + this.dropdown.on("touchmove", resultsSelector, this.bind(this.touchMoved)); + this.dropdown.on("touchstart touchend", resultsSelector, this.bind(this.clearTouchMoved)); + + // Waiting for a click event on touch devices to select option and hide dropdown + // otherwise click will be triggered on an underlying element + this.dropdown.on('click', this.bind(function (event) { + if (this._touchEvent) { + this._touchEvent = false; + this.selectHighlighted(); + } + })); installDebouncedScroll(80, this.results); - this.dropdown.delegate(resultsSelector, "scroll-debounced", this.bind(this.loadMoreIfNeeded)); + 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(), height; + var top = results.scrollTop(); if (deltaY > 0 && top - deltaY <= 0) { results.scrollTop(0); killEvent(e); @@ -618,24 +794,24 @@ } installKeyUpChangeEvent(search); - search.bind("keyup-change", this.bind(this.updateResults)); - search.bind("focus", function () { search.addClass("select2-focused"); if (search.val() === " ") search.val(""); }); - search.bind("blur", function () { search.removeClass("select2-focused");}); + 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.delegate(resultsSelector, "mouseup", this.bind(function (e) { - if ($(e.target).closest(".select2-result-selectable:not(.select2-disabled)").length > 0) { + this.dropdown.on("mouseup", resultsSelector, this.bind(function (e) { + if ($(e.target).closest(".select2-result-selectable").length > 0) { this.highlightUnderEvent(e); this.selectHighlighted(e); - } else { - this.focusSearch(); } - killEvent(e); })); // trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening // for mouse events outside of itself so it can close itself. since the dropdown is now outside the select2's // dom it will trigger the popup close, which is not what we want - this.dropdown.bind("click mouseup mousedown", function (e) { e.stopPropagation(); }); + // focusin can cause focus wars between modals and select2 since the dropdown is outside the modal. + this.dropdown.on("click mouseup mousedown touchstart touchend focusin", function (e) { e.stopPropagation(); }); + + this.nextSearchTerm = undefined; if ($.isFunction(this.opts.initSelection)) { // initialize selection based on the current value of the source element @@ -646,25 +822,95 @@ this.monitorSource(); } - if (opts.element.is(":disabled") || opts.element.is("[readonly='readonly']")) this.disable(); + 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 select2 = this.opts.element.data("select2"); + var element=this.opts.element, select2 = element.data("select2"), self = this; + + this.close(); + + if (element.length && element[0].detachEvent) { + element.each(function () { + this.detachEvent("onpropertychange", self._sync); + }); + } + if (this.propertyObserver) { + this.propertyObserver.disconnect(); + this.propertyObserver = null; + } + this._sync = null; + if (select2 !== undefined) { select2.container.remove(); + select2.liveRegion.remove(); select2.dropdown.remove(); - select2.opts.element + element + .removeClass("select2-offscreen") .removeData("select2") - .unbind(".select2") - .show(); + .off(".select2") + .prop("autofocus", this.autofocus || false); + if (this.elementTabIndex) { + element.attr({tabindex: this.elementTabIndex}); + } else { + element.removeAttr("tabindex"); + } + element.show(); + } + + cleanupJQueryElements.call(this, + "container", + "liveRegion", + "dropdown", + "results", + "search" + ); + }, + + // abstract + optionToData: function(element) { + if (element.is("option")) { + return { + id:element.prop("value"), + text:element.text(), + element: element.get(), + css: element.attr("class"), + disabled: element.prop("disabled"), + locked: equal(element.attr("locked"), "locked") || equal(element.data("locked"), true) + }; + } else if (element.is("optgroup")) { + return { + text:element.attr("label"), + children:[], + element: element.get(), + css: element.attr("class") + }; } }, // abstract prepareOpts: function (opts) { - var element, select, idKey, ajaxUrl; + var element, select, idKey, ajaxUrl, self = this; element = opts.element; @@ -683,33 +929,45 @@ opts = $.extend({}, { populateResults: function(container, results, query) { - var populate, data, result, children, id=this.opts.id, self=this; + var populate, id=this.opts.id, liveRegion=this.liveRegion; populate=function(results, container, depth) { - var i, l, result, selectable, compound, node, label, innerContainer, formatted; + var i, l, result, selectable, disabled, compound, node, label, innerContainer, formatted; + + results = opts.sortResults(results, container, query); + + // collect the created nodes for bulk append + var nodes = []; for (i = 0, l = results.length; i < l; i = i + 1) { result=results[i]; - selectable=id(result) !== undefined; - compound=("children" in result) && result.children.length > 0; + + disabled = (result.disabled === true); + selectable = (!disabled) && (id(result) !== undefined); + + compound=result.children && result.children.length > 0; node=$("<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=$("<div></div>"); + label=$(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); + formatted=opts.formatResult(result, label, query, self.opts.escapeMarkup); if (formatted!==undefined) { - label.html(self.opts.escapeMarkup(formatted)); + label.html(formatted); + node.append(label); } - node.append(label); if (compound) { @@ -720,8 +978,12 @@ } node.data("select2-data", result); - container.append(node); + nodes.push(node[0]); } + + // bulk append the created nodes + container.append(nodes); + liveRegion.text(opts.formatMatches(results.length)); }; populate(results, container, 0); @@ -733,20 +995,27 @@ opts.id = function (e) { return e[idKey]; }; } + if ($.isArray(opts.element.data("select2Tags"))) { + if ("tags" in opts) { + throw "tags specified as both an attribute 'data-select2-tags' and in options of Select2 " + opts.element.attr("id"); + } + opts.tags=opts.element.data("select2Tags"); + } + if (select) { opts.query = this.bind(function (query) { var data = { results: [], more: false }, term = query.term, - children, firstChild, process; + children, placeholderOption, process; process=function(element, collection) { var group; if (element.is("option")) { if (query.matcher(term, element.text(), element)) { - collection.push({id:element.attr("value"), text:element.text(), element: element.get(), css: element.attr("class")}); + collection.push(self.optionToData(element)); } } else if (element.is("optgroup")) { - group={text:element.attr("label"), children:[], element: element.get(), css: element.attr("class")}; + group=self.optionToData(element); element.children().each2(function(i, elm) { process(elm, group.children); }); if (group.children.length>0) { collection.push(group); @@ -758,9 +1027,9 @@ // ignore the placeholder option if there is one if (this.getPlaceholder() !== undefined && children.length > 0) { - firstChild = children[0]; - if ($(firstChild).text() === "") { - children=children.not(firstChild); + placeholderOption = this.getPlaceholderOption(); + if (placeholderOption) { + children=children.not(placeholderOption); } } @@ -768,33 +1037,38 @@ query.callback(data); }); - // this is needed because inside val() we construct choices from options and there id is hardcoded + // this is needed because inside val() we construct choices from options and their id is hardcoded opts.id=function(e) { return e.id; }; - opts.formatResultCssClass = function(data) { return data.css; } } else { if (!("query" in opts)) { + if ("ajax" in opts) { ajaxUrl = opts.element.data("ajax-url"); if (ajaxUrl && ajaxUrl.length > 0) { opts.ajax.url = ajaxUrl; } - opts.query = ajax(opts.ajax); + 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); - opts.createSearchChoice = function (term) { return {id: term, text: term}; }; - opts.initSelection = function (element, callback) { - var data = []; - $(splitVal(element.val(), opts.separator)).each(function () { - var id = this, text = this, tags=opts.tags; - if ($.isFunction(tags)) tags=tags(); - $(tags).each(function() { if (equal(this.id, id)) { text = this.text; return false; } }); - data.push({id: id, text: text}); - }); - - callback(data); - }; + 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); + }; + } } } } @@ -802,6 +1076,16 @@ 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; }, @@ -810,11 +1094,56 @@ */ // abstract monitorSource: function () { - this.opts.element.bind("change.select2", this.bind(function (e) { + var el = this.opts.element, observer, self = this; + + el.on("change.select2", this.bind(function (e) { if (this.opts.element.data("select2-change-triggered") !== true) { this.initSelection(); } })); + + this._sync = this.bind(function () { + + // sync enabled state + var disabled = el.prop("disabled"); + if (disabled === undefined) disabled = false; + this.enable(!disabled); + + var readonly = el.prop("readonly"); + if (readonly === undefined) readonly = false; + this.readonly(readonly); + + syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass); + this.container.addClass(evaluate(this.opts.containerCssClass, this.opts.element)); + + syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass); + this.dropdown.addClass(evaluate(this.opts.dropdownCssClass, this.opts.element)); + + }); + + // IE8-10 (IE9/10 won't fire propertyChange via attachEventListener) + if (el.length && el[0].attachEvent) { + el.each(function() { + this.attachEvent("onpropertychange", self._sync); + }); + } + + // safari, chrome, firefox, IE11 + observer = window.MutationObserver || window.WebKitMutationObserver|| window.MozMutationObserver; + if (observer !== undefined) { + if (this.propertyObserver) { delete this.propertyObserver; this.propertyObserver = null; } + this.propertyObserver = new observer(function (mutations) { + $.each(mutations, self._sync); + }); + this.propertyObserver.observe(el.get(0), { attributes:true, subtree:false }); + } + }, + + // abstract + triggerSelect: function(data) { + var evt = $.Event("select2-selecting", { val: this.id(data), object: data, choice: data }); + this.opts.element.trigger(evt); + return !evt.isDefaultPrevented(); }, /** @@ -834,90 +1163,169 @@ // so here we trigger the click event manually this.opts.element.click(); - // ValidationEngine ignorea the change event and listens instead to blur + // 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 - enable: function() { - if (this.enabled) return; + enableInterface: function() { + var enabled = this._enabled && !this._readonly, + disabled = !enabled; + + if (enabled === this.enabledInterface) return false; - this.enabled=true; - this.container.removeClass("select2-container-disabled"); + 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() { - if (!this.enabled) return; + this.enable(false); + }, - this.close(); + // abstract + readonly: function(enabled) { + if (enabled === undefined) enabled = false; + if (this._readonly === enabled) return; + this._readonly = enabled; - this.enabled=false; - this.container.addClass("select2-container-disabled"); + this.opts.element.prop("readonly", enabled); + this.enableInterface(); }, // abstract opened: function () { - return this.container.hasClass("select2-dropdown-open"); + return (this.container) ? this.container.hasClass("select2-dropdown-open") : false; }, // abstract positionDropdown: function() { - var offset = this.container.offset(), - height = this.container.outerHeight(), - width = this.container.outerWidth(), - dropHeight = this.dropdown.outerHeight(), - viewportBottom = $(window).scrollTop() + document.documentElement.clientHeight, + var $dropdown = this.dropdown, + offset = this.container.offset(), + height = this.container.outerHeight(false), + width = this.container.outerWidth(false), + dropHeight = $dropdown.outerHeight(false), + $window = $(window), + windowWidth = $window.width(), + windowHeight = $window.height(), + viewPortRight = $window.scrollLeft() + windowWidth, + viewportBottom = $window.scrollTop() + windowHeight, dropTop = offset.top + height, dropLeft = offset.left, enoughRoomBelow = dropTop + dropHeight <= viewportBottom, - enoughRoomAbove = (offset.top - dropHeight) >= this.body().scrollTop(), - aboveNow = this.dropdown.hasClass("select2-drop-above"), + enoughRoomAbove = (offset.top - dropHeight) >= $window.scrollTop(), + dropWidth = $dropdown.outerWidth(false), + enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight, + aboveNow = $dropdown.hasClass("select2-drop-above"), bodyOffset, above, - css; + 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; + } + } - // 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); + //if we are changing direction we need to get positions when dropdown is hidden; + if (changeDirection) { + $dropdown.hide(); + offset = this.container.offset(); + height = this.container.outerHeight(false); + width = this.container.outerWidth(false); + dropHeight = $dropdown.outerHeight(false); + viewPortRight = $window.scrollLeft() + windowWidth; + viewportBottom = $window.scrollTop() + windowHeight; + dropTop = offset.top + height; + dropLeft = offset.left; + dropWidth = $dropdown.outerWidth(false); + enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight; + $dropdown.show(); + + // fix so the cursor does not move to the left within the search-textbox in IE + this.focusSearch(); + } - // fix positioning when body has an offset and is not position: static + if (this.opts.dropdownAutoWidth) { + resultsListNode = $('.select2-results', $dropdown)[0]; + $dropdown.addClass('select2-drop-auto-width'); + $dropdown.css('width', ''); + // Add scrollbar width to dropdown if vertical scrollbar is present + dropWidth = $dropdown.outerWidth(false) + (resultsListNode.scrollHeight === resultsListNode.clientHeight ? 0 : scrollBarDimensions.width); + dropWidth > width ? width = dropWidth : dropWidth = width; + dropHeight = $dropdown.outerHeight(false); + enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight; + } + else { + this.container.removeClass('select2-drop-auto-width'); + } + + //console.log("below/ droptop:", dropTop, "dropHeight", dropHeight, "sum", (dropTop+dropHeight)+" viewport bottom", viewportBottom, "enough?", enoughRoomBelow); + //console.log("above/ offset.top", offset.top, "dropHeight", dropHeight, "top", (offset.top-dropHeight), "scrollTop", this.body.scrollTop(), "enough?", enoughRoomAbove); - if (this.body().css('position') !== 'static') { - bodyOffset = this.body().offset(); + // 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; } - // always prefer the current above/below alignment, unless there is not enough room - - if (aboveNow) { - above = true; - if (!enoughRoomAbove && enoughRoomBelow) above = false; - } else { - above = false; - if (!enoughRoomBelow && enoughRoomAbove) above = true; + if (!enoughRoomOnRight) { + dropLeft = offset.left + this.container.outerWidth(false) - dropWidth; } + css = { + left: dropLeft, + width: width + }; + if (above) { - dropTop = offset.top - dropHeight; + css.top = offset.top - dropHeight; + css.bottom = 'auto'; this.container.addClass("select2-drop-above"); - this.dropdown.addClass("select2-drop-above"); + $dropdown.addClass("select2-drop-above"); } else { + css.top = dropTop; + css.bottom = 'auto'; this.container.removeClass("select2-drop-above"); - this.dropdown.removeClass("select2-drop-above"); + $dropdown.removeClass("select2-drop-above"); } + css = $.extend(css, evaluate(this.opts.dropdownCss, this.opts.element)); - css = $.extend({ - top: dropTop, - left: dropLeft, - width: width - }, evaluate(this.opts.dropdownCss)); - - this.dropdown.css(css); + $dropdown.css(css); }, // abstract @@ -926,7 +1334,9 @@ if (this.opened()) return false; - event = jQuery.Event("open"); + if (this._enabled === false || this._readonly === true) return false; + + event = $.Event("select2-opening"); this.opts.element.trigger(event); return !event.isDefaultPrevented(); }, @@ -949,7 +1359,13 @@ if (!this.shouldOpen()) return false; - window.setTimeout(this.bind(this.opening), 1); + this.opening(); + + // Only bind the document mousemove when the dropdown is visible + $document.on("mousemove.select2Event", function (e) { + lastMousePosition.x = e.pageX; + lastMousePosition.y = e.pageY; + }); return true; }, @@ -959,68 +1375,110 @@ */ // abstract opening: function() { - var cid = this.containerId, selector = this.containerSelector, - scroll = "scroll." + cid, resize = "resize." + cid; - - this.container.parents().each(function() { - $(this).bind(scroll, function() { - var s2 = $(selector); - if (s2.length == 0) { - $(this).unbind(scroll); - } - s2.select2("close"); - }); - }); + var cid = this.containerEventName, + scroll = "scroll." + cid, + resize = "resize."+cid, + orient = "orientationchange."+cid, + mask; - $(window).bind(resize, function() { - var s2 = $(selector); - if (s2.length == 0) { - $(window).unbind(resize); - } - s2.select2("close"); - }); + this.container.addClass("select2-dropdown-open").addClass("select2-container-active"); this.clearDropdownAlignmentPreference(); - if (this.search.val() === " ") { this.search.val(""); } + 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(); + } + }); + } - this.container.addClass("select2-dropdown-open").addClass("select2-container-active"); + // ensure the mask is always right before the dropdown + if (this.dropdown.prev()[0] !== mask[0]) { + this.dropdown.before(mask); + } - this.updateResults(true); + // move the global id to the correct dropdown + $("#select2-drop").removeAttr("id"); + this.dropdown.attr("id", "select2-drop"); - if(this.dropdown[0] !== this.body().children().last()[0]) { - this.dropdown.detach().appendTo(this.body()); - } + // show the elements + mask.show(); + this.positionDropdown(); this.dropdown.show(); - this.positionDropdown(); + this.dropdown.addClass("select2-drop-active"); - this.ensureHighlightVisible(); + // attach listeners to events that can change the position of the container and thus require + // the position of the dropdown to be updated as well so it does not come unglued from the container + var that = this; + this.container.parents().add(window).each(function () { + $(this).on(resize+" "+scroll+" "+orient, function (e) { + if (that.opened()) that.positionDropdown(); + }); + }); + - this.focusSearch(); }, // abstract close: function () { if (!this.opened()) return; - var self = this; + var cid = this.containerEventName, + scroll = "scroll." + cid, + resize = "resize."+cid, + orient = "orientationchange."+cid; - this.container.parents().each(function() { - $(this).unbind("scroll." + self.containerId); - }); - $(window).unbind("resize." + this.containerId); + // unbind event listeners + this.container.parents().add(window).each(function () { $(this).off(scroll).off(resize).off(orient); }); this.clearDropdownAlignmentPreference(); + $("#select2-drop-mask").hide(); + this.dropdown.removeAttr("id"); // only the active dropdown has the select2-drop id this.dropdown.hide(); this.container.removeClass("select2-dropdown-open").removeClass("select2-container-active"); this.results.empty(); + + // Now that the dropdown is closed, unbind the global document mousemove event + $document.off("mousemove.select2Event"); + this.clearSearch(); + this.search.removeClass("select2-active"); + this.opts.element.trigger($.Event("select2-close")); + }, - this.opts.element.trigger(jQuery.Event("close")); + /** + * Opens control, sets input value, and updates results. + */ + // abstract + externalSearch: function (term) { + this.open(); + this.search.val(term); + this.updateResults(false); }, // abstract @@ -1028,9 +1486,14 @@ }, + //abstract + getMaximumSelectionSize: function() { + return evaluate(this.opts.maximumSelectionSize, this.opts.element); + }, + // abstract ensureHighlightVisible: function () { - var results = this.results, children, index, child, hb, rb, y, more; + var results = this.results, children, index, child, hb, rb, y, more, topOffset; index = this.highlight(); @@ -1046,41 +1509,48 @@ return; } - children = results.find(".select2-result-selectable"); + children = this.findHighlightableChoices().find('.select2-result-label'); child = $(children[index]); - hb = child.offset().top + child.outerHeight(); + topOffset = (child.offset() || {}).top || 0; + + hb = topOffset + child.outerHeight(true); // if this is the last child lets also make sure select2-more-results is visible if (index === children.length - 1) { more = results.find("li.select2-more-results"); if (more.length > 0) { - hb = more.offset().top + more.outerHeight(); + hb = more.offset().top + more.outerHeight(true); } } - rb = results.offset().top + results.outerHeight(); + rb = results.offset().top + results.outerHeight(true); if (hb > rb) { results.scrollTop(results.scrollTop() + (hb - rb)); } - y = child.offset().top - results.offset().top; + y = topOffset - results.offset().top; // make sure the top of the element is visible - if (y < 0) { + 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.results.find(".select2-result-selectable"), + 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")) { + if (choice.hasClass("select2-result-selectable") && !choice.hasClass("select2-disabled") && !choice.hasClass("select2-selected")) { this.highlight(index); break; } @@ -1089,7 +1559,9 @@ // abstract highlight: function (index) { - var choices = this.results.find(".select2-result-selectable").not(".select2-disabled"); + var choices = this.findHighlightableChoices(), + choice, + data; if (arguments.length === 0) { return indexOf(choices.filter(".select2-highlighted")[0], choices.get()); @@ -1098,27 +1570,50 @@ if (index >= choices.length) index = choices.length - 1; if (index < 0) index = 0; - choices.removeClass("select2-highlighted"); + 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")); - $(choices[index]).addClass("select2-highlighted"); 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.results.find(".select2-result-selectable").not(".select2-disabled").length; + 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.results.find('.select2-result-selectable'); + var choices = this.findHighlightableChoices(); this.highlight(choices.index(el)); } else if (el.length == 0) { - // if we are over an unselectable item remove al highlights - this.results.find(".select2-highlighted").removeClass("select2-highlighted"); + // if we are over an unselectable item remove all highlights + this.removeHighlight(); } }, @@ -1127,7 +1622,6 @@ 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 - offset = -1, // index of first element without data page = this.resultsPage + 1, self=this, term=this.search.val(), @@ -1136,9 +1630,10 @@ if (more.length === 0) return; below = more.offset().top - results.offset().top - results.height(); - if (below <= 0) { + if (below <= this.opts.loadMorePadding) { more.addClass("select2-active"); this.opts.query({ + element: this.opts.element, term: term, page: page, context: context, @@ -1150,15 +1645,18 @@ self.opts.populateResults.call(this, results, data.results, {term: term, page: page, context:context}); + self.postprocessResults(data, false, false); if (data.more===true) { - more.detach().appendTo(results).text(self.opts.formatLoadMore(page+1)); + more.detach().appendTo(results).text(evaluate(self.opts.formatLoadMore, self.opts.element, page+1)); window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10); } else { more.remove(); } self.positionDropdown(); self.resultsPage = page; + self.context = data.context; + this.opts.element.trigger({ type: "select2-loaded", items: data }); })}); } }, @@ -1175,42 +1673,81 @@ */ // abstract updateResults: function (initial) { - var search = this.search, results = this.results, opts = this.opts, data, self=this, input; + 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; + + $.data(this.container, "select2-last-term", term); // if the search is currently hidden we do not alter the results if (initial !== true && (this.showSearchInput === false || !this.opened())) { return; } - search.addClass("select2-active"); - function postRender() { - results.scrollTop(0); search.removeClass("select2-active"); self.positionDropdown(); + if (results.find('.select2-no-results,.select2-selection-limit,.select2-searching').length) { + self.liveRegion.text(results.text()); + } + else { + self.liveRegion.text(self.opts.formatMatches(results.find('.select2-result-selectable').length)); + } } function render(html) { - results.html(self.opts.escapeMarkup(html)); + results.html(html); postRender(); } - if (opts.maximumSelectionSize >=1) { + queryNumber = ++this.queryCount; + + var maxSelSize = this.getMaximumSelectionSize(); + if (maxSelSize >=1) { data = this.data(); - if ($.isArray(data) && data.length >= opts.maximumSelectionSize && checkFormatter(opts.formatSelectionTooBig, "formatSelectionTooBig")) { - render("<li class='select2-selection-limit'>" + opts.formatSelectionTooBig(opts.maximumSelectionSize) + "</li>"); - return; + if ($.isArray(data) && data.length >= maxSelSize && checkFormatter(opts.formatSelectionTooBig, "formatSelectionTooBig")) { + render("<li class='select2-selection-limit'>" + evaluate(opts.formatSelectionTooBig, opts.element, maxSelSize) + "</li>"); + return; } } - if (search.val().length < opts.minimumInputLength && checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) { - render("<li class='select2-no-results'>" + opts.formatInputTooShort(search.val(), opts.minimumInputLength) + "</li>"); + if (search.val().length < opts.minimumInputLength) { + if (checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) { + render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooShort, opts.element, search.val(), opts.minimumInputLength) + "</li>"); + } else { + render(""); + } + if (initial && this.showSearch) this.showSearch(true); return; } - else { - render("<li class='select2-searching'>" + opts.formatSearching() + "</li>"); + + if (opts.maximumInputLength && search.val().length > opts.maximumInputLength) { + if (checkFormatter(opts.formatInputTooLong, "formatInputTooLong")) { + render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooLong, opts.element, search.val(), opts.maximumInputLength) + "</li>"); + } else { + render(""); + } + return; + } + + if (opts.formatSearching && this.findHighlightableChoices().length === 0) { + render("<li class='select2-searching'>" + evaluate(opts.formatSearching, opts.element) + "</li>"); } + search.addClass("select2-active"); + + this.removeHighlight(); + // give the tokenizer a chance to pre-process the input input = this.tokenize(); if (input != undefined && input != null) { @@ -1218,7 +1755,9 @@ } this.resultsPage = 1; + opts.query({ + element: opts.element, term: search.val(), page: this.resultsPage, context: null, @@ -1226,27 +1765,40 @@ 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()) return; + if (!this.opened()) { + this.search.removeClass("select2-active"); + return; + } + + // handle ajax error + if(data.hasError !== undefined && checkFormatter(opts.formatAjaxError, "formatAjaxError")) { + render("<li class='select2-ajax-error'>" + evaluate(opts.formatAjaxError, opts.element, data.jqXHR, data.textStatus, data.errorThrown) + "</li>"); + return; + } // save context, if any this.context = (data.context===undefined) ? null : data.context; - // create a default choice and prepend it to the list if (this.opts.createSearchChoice && search.val() !== "") { - def = this.opts.createSearchChoice.call(null, search.val(), data.results); + def = this.opts.createSearchChoice.call(self, search.val(), data.results); if (def !== undefined && def !== null && self.id(def) !== undefined && self.id(def) !== null) { if ($(data.results).filter( function () { return equal(self.id(this), self.id(def)); }).length === 0) { - data.results.unshift(def); + this.opts.createSearchChoicePosition(data.results, def); } } } if (data.results.length === 0 && checkFormatter(opts.formatNoMatches, "formatNoMatches")) { - render("<li class='select2-no-results'>" + opts.formatNoMatches(search.val()) + "</li>"); + render("<li class='select2-no-results'>" + evaluate(opts.formatNoMatches, opts.element, search.val()) + "</li>"); return; } @@ -1254,13 +1806,15 @@ self.opts.populateResults.call(this, results, data.results, {term: search.val(), page: this.resultsPage, context:null}); if (data.more === true && checkFormatter(opts.formatLoadMore, "formatLoadMore")) { - results.append("<li class='select2-more-results'>" + self.opts.escapeMarkup(opts.formatLoadMore(this.resultsPage)) + "</li>"); + results.append("<li class='select2-more-results'>" + opts.escapeMarkup(evaluate(opts.formatLoadMore, opts.element, this.resultsPage)) + "</li>"); window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10); } this.postprocessResults(data, initial); postRender(); + + this.opts.element.trigger({ type: "select2-loaded", items: data }); })}); }, @@ -1271,9 +1825,12 @@ // 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"); - this.dropdown.removeClass("select2-drop-active"); // synonymous to .is(':focus'), which is available in jquery >= 1.6 if (this.search[0] === document.activeElement) { this.search.blur(); } this.clearSearch(); @@ -1282,38 +1839,50 @@ // abstract focusSearch: function () { - // need to do it here as well as in timeout so it works in IE - this.search.show(); - this.search.focus(); - - /* we do this in a timeout so that current event processing can complete before this code is executed. - this makes sure the search field is focussed even if the current event would blur it */ - window.setTimeout(this.bind(function () { - // reset the value so IE places the cursor at the end of the input box - this.search.show(); - this.search.focus(); - this.search.val(this.search.val()); - }), 10); + focus(this.search); }, // abstract - selectHighlighted: function () { + selectHighlighted: function (options) { + if (this._touchMoved) { + this.clearTouchMoved(); + return; + } var index=this.highlight(), - highlighted=this.results.find(".select2-highlighted").not(".select2-disabled"), - data = highlighted.closest('.select2-result-selectable').data("select2-data"); + highlighted=this.results.find(".select2-highlighted"), + data = highlighted.closest('.select2-result').data("select2-data"); + if (data) { - highlighted.addClass("select2-disabled"); this.highlight(index); - this.onSelect(data); + 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; + this.opts.placeholder || + ((placeholderOption = this.getPlaceholderOption()) !== undefined ? placeholderOption.text() : undefined); + }, + + // abstract + getPlaceholderOption: function() { + if (this.select) { + var firstOption = this.select.children('option').first(); + if (this.opts.placeholderOption !== undefined ) { + //Determine the placeholder option based on the specified placeholderOption setting + return (this.opts.placeholderOption === "first" && firstOption) || + (typeof this.opts.placeholderOption === "function" && this.opts.placeholderOption(this.select)); + } else if ($.trim(firstOption.text()) === "" && firstOption.val() === "") { + //No explicit placeholder option specified, use the first if it's blank + return firstOption; + } + } }, /** @@ -1325,20 +1894,20 @@ // abstract initContainerWidth: function () { function resolveContainerWidth() { - var style, attrs, matches, i, l; + 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() === 0 ? 'auto' : this.opts.element.outerWidth() + 'px'; + 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) { - matches = attrs[i].replace(/\s/g, '') - .match(/width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/); + 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]; } @@ -1351,7 +1920,7 @@ if (style.indexOf("%") > 0) return style; // finally, fallback on the calculated width of the element - return (this.opts.element.outerWidth() === 0 ? 'auto' : this.opts.element.outerWidth() + 'px'); + return (this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px'); } return null; @@ -1364,7 +1933,7 @@ var width = resolveContainerWidth.call(this); if (width !== null) { - this.container.attr("style", "width: "+width); + this.container.css("width", width); } } }); @@ -1373,53 +1942,129 @@ // single - createContainer: function () { - var container = $("<div></div>", { + createContainer: function () { + var container = $(document.createElement("div")).attr({ "class": "select2-container" }).html([ - " <a href='#' onclick='return false;' class='select2-choice'>", - " <span></span><abbr class='select2-search-choice-close' style='display:none;'></abbr>", - " <div><b></b></div>" , + "<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>", - " <div class='select2-drop select2-offscreen'>" , - " <div class='select2-search'>" , - " <input type='text' autocomplete='off' class='select2-input'/>" , - " </div>" , - " <ul class='select2-results'>" , - " </ul>" , + "<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 () { - this.search.show(); + var el, range, len; + + if (this.opts.minimumResultsForSearch >= 0) { + this.showSearch(true); + } + this.parent.opening.apply(this, arguments); - this.dropdown.removeClass("select2-offscreen"); + + if (this.showSearchInput !== false) { + // IE appends focusser.val() at the end of field :/ so we manually insert it at the beginning using a range + // all other browsers handle this just fine + + this.search.val(this.focusser.val()); + } + if (this.opts.shouldFocusInput(this)) { + this.search.focus(); + // move the cursor to the end after focussing, otherwise it will be at the beginning and + // new text will appear *before* focusser.val() + el = this.search.get(0); + if (el.createTextRange) { + range = el.createTextRange(); + range.collapse(false); + range.select(); + } else if (el.setSelectionRange) { + len = this.search.val().length; + el.setSelectionRange(len, len); + } + } + + // initializes search's value with nextSearchTerm (if defined by user) + // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter + if(this.search.val() === "") { + if(this.nextSearchTerm != undefined){ + this.search.val(this.nextSearchTerm); + this.search.select(); + } + } + + this.focusser.prop("disabled", true).val(""); + this.updateResults(true); + this.opts.element.trigger($.Event("select2-open")); }, // single close: function () { if (!this.opened()) return; this.parent.close.apply(this, arguments); - this.dropdown.removeAttr("style").addClass("select2-offscreen").insertAfter(this.selection).show(); + + this.focusser.prop("disabled", false); + + if (this.opts.shouldFocusInput(this)) { + this.focusser.focus(); + } }, // single focus: function () { - this.close(); - this.selection.focus(); + if (this.opened()) { + this.close(); + } else { + this.focusser.prop("disabled", false); + if (this.opts.shouldFocusInput(this)) { + this.focusser.focus(); + } + } }, // single isFocused: function () { - return this.selection[0] === document.activeElement; + return this.container.hasClass("select2-container-active"); }, // single cancel: function () { this.parent.cancel.apply(this, arguments); - this.selection.focus(); + this.focusser.prop("disabled", false); + + if (this.opts.shouldFocusInput(this)) { + this.focusser.focus(); + } + }, + + // single + destroy: function() { + $("label[for='" + this.focusser.attr('id') + "']") + .attr('for', this.opts.element.attr("id")); + this.parent.destroy.apply(this, arguments); + + cleanupJQueryElements.call(this, + "selection", + "focusser" + ); }, // single @@ -1428,167 +2073,211 @@ var selection, container = this.container, dropdown = this.dropdown, - clickingInside = false; + idSuffix = nextUid(), + elementLabel; + + if (this.opts.minimumResultsForSearch < 0) { + this.showSearch(false); + } else { + this.showSearch(true); + } this.selection = selection = container.find(".select2-choice"); - this.search.bind("keydown", this.bind(function (e) { - if (!this.enabled) return; + this.focusser = container.find(".select2-focusser"); - if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) { - // prevent the page from scrolling - killEvent(e); - return; - } + // 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); - 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.TAB: - case KEY.ENTER: - this.selectHighlighted(); - killEvent(e); - return; - case KEY.ESC: - this.cancel(e); - killEvent(e); - return; - } - } else { + // rewrite labels from original element to focusser + this.focusser.attr("id", "s2id_autogen"+idSuffix); - if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) { - return; - } + elementLabel = $("label[for='" + this.opts.element.attr("id") + "']"); - if (this.opts.openOnEnter === false && e.which === KEY.ENTER) { - return; - } + this.focusser.prev() + .text(elementLabel.text()) + .attr('for', this.focusser.attr('id')); - this.open(); + // Ensure the original element retains an accessible name + var originalTitle = this.opts.element.attr("title"); + this.opts.element.attr("title", (originalTitle || elementLabel.text())); - if (e.which === KEY.ENTER) { - // do not propagate the event otherwise we open, and propagate enter which closes - return; - } - } - })); + this.focusser.attr("tabindex", this.elementTabIndex); - this.search.bind("focus", this.bind(function() { - this.selection.attr("tabIndex", "-1"); - })); - this.search.bind("blur", this.bind(function() { - if (!this.opened()) this.container.removeClass("select2-container-active"); - window.setTimeout(this.bind(function() { this.selection.attr("tabIndex", this.opts.element.attr("tabIndex")); }), 10); - })); + // write label for search field using the label from the focusser element + this.search.attr("id", this.focusser.attr('id') + '_search'); - selection.bind("mousedown", this.bind(function (e) { - clickingInside = true; + this.search.prev() + .text($("label[for='" + this.focusser.attr('id') + "']").text()) + .attr('for', this.search.attr('id')); - if (this.opened()) { - this.close(); - this.selection.focus(); - } else if (this.enabled) { - this.open(); - } + this.search.on("keydown", this.bind(function (e) { + if (!this.isInterfaceEnabled()) return; - clickingInside = false; - })); + // filter 229 keyCodes (input method editor is processing key input) + if (229 == e.keyCode) return; - dropdown.bind("mousedown", this.bind(function() { this.search.focus(); })); + if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) { + // prevent the page from scrolling + killEvent(e); + return; + } - selection.bind("focus", this.bind(function() { - this.container.addClass("select2-container-active"); - // hide the search so the tab key does not focus on it - this.search.attr("tabIndex", "-1"); + 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; + } })); - selection.bind("blur", this.bind(function() { - if (!this.opened()) { - this.container.removeClass("select2-container-active"); + 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); } - window.setTimeout(this.bind(function() { this.search.attr("tabIndex", this.opts.element.attr("tabIndex")); }), 10); })); - selection.bind("keydown", this.bind(function(e) { - if (!this.enabled) return; + this.focusser.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); + if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) { return; } - if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) - || e.which === KEY.ESC) { + if (this.opts.openOnEnter === false && e.which === KEY.ENTER) { + killEvent(e); return; } - if (this.opts.openOnEnter === false && e.which === KEY.ENTER) { + 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) { + if (e.which == KEY.DELETE || e.which == KEY.BACKSPACE) { if (this.opts.allowClear) { this.clear(); } + killEvent(e); return; } + })); - this.open(); - if (e.which === KEY.ENTER) { - // do not propagate the event otherwise we open, and propagate enter which closes - 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(); } + })); - // do not set the search input value for non-alpha-numeric keys - // otherwise pressing down results in a '(' being set in the search field - if (e.which < 48 ) { // '0' == 48 - killEvent(e); - return; - } + selection.on("mousedown touchstart", "abbr", this.bind(function (e) { + if (!this.isInterfaceEnabled()) return; + this.clear(); + killEventImmediately(e); + this.close(); + this.selection.focus(); + })); - var keyWritten = String.fromCharCode(e.which).toLowerCase(); + selection.on("mousedown touchstart", this.bind(function (e) { + // Prevent IE from generating a click event on the body + reinsertElement(selection); - if (e.shiftKey) { - keyWritten = keyWritten.toUpperCase(); + if (!this.container.hasClass("select2-container-active")) { + this.opts.element.trigger($.Event("select2-focus")); } - // focus the field before calling val so the cursor ends up after the value instead of before - this.search.focus(); - this.search.val(keyWritten); + if (this.opened()) { + this.close(); + } else if (this.isInterfaceEnabled()) { + this.open(); + } - // prevent event propagation so it doesnt replay on the now focussed search field and result in double key entry killEvent(e); })); - selection.delegate("abbr", "mousedown", this.bind(function (e) { - if (!this.enabled) return; - this.clear(); - killEvent(e); - this.close(); - this.triggerChange(); - this.selection.focus(); + dropdown.on("mousedown touchstart", this.bind(function() { + if (this.opts.shouldFocusInput(this)) { + this.search.focus(); + } })); - this.setPlaceholder(); + selection.on("focus", this.bind(function(e) { + killEvent(e); + })); - this.search.bind("focus", this.bind(function() { + this.focusser.on("focus", this.bind(function(){ + if (!this.container.hasClass("select2-container-active")) { + this.opts.element.trigger($.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() { - this.opts.element.val(""); - this.selection.find("span").empty(); - this.selection.removeData("select2-data"); - this.setPlaceholder(); + clear: function(triggerChange) { + var data=this.selection.data("select2-data"); + if (data) { // guard against queued quick consecutive clicks + var evt = $.Event("select2-clearing"); + this.opts.element.trigger(evt); + if (evt.isDefaultPrevented()) { + return; + } + var placeholderOption = this.getPlaceholderOption(); + this.opts.element.val(placeholderOption ? placeholderOption.val() : ""); + this.selection.find(".select2-chosen").empty(); + this.selection.removeData("select2-data"); + this.setPlaceholder(); + + if (triggerChange !== false){ + this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data }); + this.triggerChange({removed:data}); + } + } }, /** @@ -1597,7 +2286,8 @@ // single initSelection: function () { var selected; - if (this.opts.element.val() === "") { + if (this.isPlaceholderOptionSelected()) { + this.updateSelection(null); this.close(); this.setPlaceholder(); } else { @@ -1607,22 +2297,51 @@ self.updateSelection(selected); self.close(); self.setPlaceholder(); + self.nextSearchTerm = self.opts.nextSearchTerm(selected, self.search.val()); } }); } }, + isPlaceholderOptionSelected: function() { + var placeholderOption; + if (this.getPlaceholder() === undefined) return false; // no placeholder specified so no option should be considered + return ((placeholderOption = this.getPlaceholderOption()) !== undefined && placeholderOption.prop("selected")) + || (this.opts.element.val() === "") + || (this.opts.element.val() === undefined) + || (this.opts.element.val() === null); + }, + // single prepareOpts: function () { - var opts = this.parent.prepareOpts.apply(this, arguments); + var opts = this.parent.prepareOpts.apply(this, arguments), + self=this; if (opts.element.get(0).tagName.toLowerCase() === "select") { // install the selection initializer opts.initSelection = function (element, callback) { - var selected = element.find(":selected"); + var selected = element.find("option").filter(function() { return this.selected && !this.disabled }); // a single select box always has a value, no need to null check 'selected' - if ($.isFunction(callback)) - callback({id: selected.attr("value"), text: selected.text()}); + 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); + } + }); }; } @@ -1630,29 +2349,41 @@ }, // 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.opts.element.val() === "" && placeholder !== undefined) { + if (this.isPlaceholderOptionSelected() && placeholder !== undefined) { - // check for a first blank option if attached to a select - if (this.select && this.select.find("option:first").text() !== "") return; + // check for a placeholder option if attached to a select + if (this.select && this.getPlaceholderOption() === undefined) return; - this.selection.find("span").html(this.opts.escapeMarkup(placeholder)); + this.selection.find(".select2-chosen").html(this.opts.escapeMarkup(placeholder)); this.selection.addClass("select2-default"); - this.selection.find("abbr").hide(); + this.container.removeClass("select2-allowclear"); } }, // single - postprocessResults: function (data, initial) { + postprocessResults: function (data, initial, noHighlightUpdate) { var selected = 0, self = this, showSearchInput = true; // find the selected element in the result list - this.results.find(".select2-result-selectable").each2(function (i, elm) { + this.findHighlightableChoices().each2(function (i, elm) { if (equal(self.id(elm.data("select2-data")), self.opts.element.val())) { selected = i; return false; @@ -1660,56 +2391,94 @@ }); // and highlight it + if (noHighlightUpdate !== false) { + if (initial === true && selected >= 0) { + this.highlight(selected); + } else { + this.highlight(0); + } + } - this.highlight(selected); - - // hide the search box if this is the first we got the results and there are a few of them + // hide the search box if this is the first we got the results and there are enough of them for search if (initial === true) { - showSearchInput = this.showSearchInput = countResults(data.results) >= this.opts.minimumResultsForSearch; - this.dropdown.find(".select2-search")[showSearchInput ? "removeClass" : "addClass"]("select2-search-hidden"); - - //add "select2-with-searchbox" to the container if search box is shown - $(this.dropdown, this.container)[showSearchInput ? "addClass" : "removeClass"]("select2-with-searchbox"); + 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) { - var old = this.opts.element.val(); + 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(); - this.selection.focus(); - if (!equal(old, this.id(data))) { this.triggerChange(); } + 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("span"), formatted; + var container=this.selection.find(".select2-chosen"), formatted, cssClass; this.selection.data("select2-data", data); container.empty(); - formatted=this.opts.formatSelection(data, container); + if (data !== null) { + formatted=this.opts.formatSelection(data, container, this.opts.escapeMarkup); + } if (formatted !== undefined) { - container.append(this.opts.escapeMarkup(formatted)); + 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.selection.find("abbr").show(); + this.container.addClass("select2-allowclear"); } }, // single val: function () { - var val, data = null, self = this; + var val, + triggerChange = false, + data = null, + self = this, + oldData = this.data(); if (arguments.length === 0) { return this.opts.element.val(); @@ -1717,29 +2486,39 @@ val = arguments[0]; + if (arguments.length > 1) { + triggerChange = arguments[1]; + } + if (this.select) { this.select .val(val) - .find(":selected").each2(function (i, elm) { - data = {id: elm.attr("value"), text: elm.text()}; + .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"); } - // val is an id. !val is true for [undefined,null,''] - if (!val) { - this.clear(); - return; - } 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}); + } }); } }, @@ -1747,22 +2526,31 @@ // single clearSearch: function () { this.search.val(""); + this.focusser.val(""); }, // single data: function(value) { - var data; + var data, + triggerChange = false; if (arguments.length === 0) { data = this.selection.data("select2-data"); if (data == undefined) data = null; return data; } else { - if (!value || value === "") { - this.clear(); + 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}); + } } } } @@ -1772,39 +2560,74 @@ // multi createContainer: function () { - var container = $("<div></div>", { + var container = $(document.createElement("div")).attr({ "class": "select2-container select2-container-multi" }).html([ - " <ul class='select2-choices'>", - //"<li class='select2-search-choice'><span>California</span><a href="javascript:void(0)" class="select2-search-choice-close"></a></li>" , - " <li class='select2-search-field'>" , - " <input type='text' autocomplete='off' class='select2-input'>" , - " </li>" , - "</ul>" , - "<div class='select2-drop select2-drop-multi' style='display:none;'>" , - " <ul class='select2-results'>" , - " </ul>" , + "<ul class='select2-choices'>", + " <li class='select2-search-field'>", + " <label for='' class='select2-offscreen'></label>", + " <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input'>", + " </li>", + "</ul>", + "<div class='select2-drop select2-drop-multi select2-display-none'>", + " <ul class='select2-results'>", + " </ul>", "</div>"].join("")); - return container; + return container; }, // multi prepareOpts: function () { - var opts = this.parent.prepareOpts.apply(this, arguments); + var opts = this.parent.prepareOpts.apply(this, arguments), + self=this; // TODO validate placeholder is a string if specified if (opts.element.get(0).tagName.toLowerCase() === "select") { - // install sthe selection initializer - opts.initSelection = function (element,callback) { + // install the selection initializer + opts.initSelection = function (element, callback) { var data = []; - element.find(":selected").each2(function (i, elm) { - data.push({id: elm.attr("value"), text: elm.text()}); - }); - if ($.isFunction(callback)) - callback(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); + } + }); }; } @@ -1812,6 +2635,37 @@ }, // multi + selectChoice: function (choice) { + + var selected = this.container.find(".select2-search-choice-focus"); + if (selected.length && choice && choice[0] == selected[0]) { + + } else { + if (selected.length) { + this.opts.element.trigger("choice-deselected", selected); + } + selected.removeClass("select2-search-choice-focus"); + if (choice && choice.length) { + this.close(); + choice.addClass("select2-search-choice-focus"); + this.opts.element.trigger("choice-selected", choice); + } + } + }, + + // multi + destroy: function() { + $("label[for='" + this.search.attr('id') + "']") + .attr('for', this.opts.element.attr("id")); + this.parent.destroy.apply(this, arguments); + + cleanupJQueryElements.call(this, + "searchContainer", + "selection" + ); + }, + + // multi initContainer: function () { var selector = ".select2-choices", selection; @@ -1819,27 +2673,77 @@ this.searchContainer = this.container.find(".select2-search-field"); this.selection = selection = this.container.find(selector); - this.search.bind("keydown", this.bind(function (e) { - if (!this.enabled) return; + var _this = this; + this.selection.on("click", ".select2-search-choice:not(.select2-locked)", function (e) { + //killEvent(e); + _this.search[0].focus(); + _this.selectChoice($(this)); + }); - if (e.which === KEY.BACKSPACE && this.search.val() === "") { - this.close(); + // rewrite labels from original element to focusser + this.search.attr("id", "s2id_autogen"+nextUid()); - var choices, - selected = selection.find(".select2-search-choice-focus"); - if (selected.length > 0) { - this.unselect(selected.first()); - this.search.width(10); - killEvent(e); - return; + this.search.prev() + .text($("label[for='" + this.opts.element.attr("id") + "']").text()) + .attr('for', this.search.attr('id')); + + this.search.on("input paste", this.bind(function() { + if (this.search.attr('placeholder') && this.search.val().length == 0) return; + if (!this.isInterfaceEnabled()) return; + if (!this.opened()) { + this.open(); + } + })); + + this.search.attr("tabindex", this.elementTabIndex); + + this.keydowns = 0; + this.search.on("keydown", this.bind(function (e) { + if (!this.isInterfaceEnabled()) return; + + ++this.keydowns; + var selected = selection.find(".select2-search-choice-focus"); + var prev = selected.prev(".select2-search-choice:not(.select2-locked)"); + var next = selected.next(".select2-search-choice:not(.select2-locked)"); + var pos = getCursorInfo(this.search); + + if (selected.length && + (e.which == KEY.LEFT || e.which == KEY.RIGHT || e.which == KEY.BACKSPACE || e.which == KEY.DELETE || e.which == KEY.ENTER)) { + var selectedChoice = selected; + if (e.which == KEY.LEFT && prev.length) { + selectedChoice = prev; + } + else if (e.which == KEY.RIGHT) { + selectedChoice = next.length ? next : null; + } + else if (e.which === KEY.BACKSPACE) { + if (this.unselect(selected.first())) { + this.search.width(10); + selectedChoice = prev.length ? prev : next; + } + } else if (e.which == KEY.DELETE) { + if (this.unselect(selected.first())) { + this.search.width(10); + selectedChoice = next.length ? next : null; + } + } else if (e.which == KEY.ENTER) { + selectedChoice = null; } - choices = selection.find(".select2-search-choice"); - if (choices.length > 0) { - choices.last().addClass("select2-search-choice-focus"); + 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 { - selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus"); + this.selectChoice(null); } if (this.opened()) { @@ -1850,10 +2754,13 @@ killEvent(e); return; case KEY.ENTER: - case KEY.TAB: this.selectHighlighted(); killEvent(e); return; + case KEY.TAB: + this.selectHighlighted({noFocus:true}); + this.close(); + return; case KEY.ESC: this.cancel(e); killEvent(e); @@ -1866,8 +2773,12 @@ return; } - if (this.opts.openOnEnter === false && e.which === KEY.ENTER) { - 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(); @@ -1876,62 +2787,73 @@ // prevent the page from scrolling killEvent(e); } + + if (e.which === KEY.ENTER) { + // prevent form from being submitted + killEvent(e); + } + })); - this.search.bind("keyup", this.bind(this.resizeSearch)); + this.search.on("keyup", this.bind(function (e) { + this.keydowns = 0; + this.resizeSearch(); + }) + ); - this.search.bind("blur", this.bind(function(e) { + this.search.on("blur", this.bind(function(e) { this.container.removeClass("select2-container-active"); this.search.removeClass("select2-focused"); - this.clearSearch(); + this.selectChoice(null); + if (!this.opened()) this.clearSearch(); e.stopImmediatePropagation(); + this.opts.element.trigger($.Event("select2-blur")); })); - this.container.delegate(selector, "mousedown", this.bind(function (e) { - if (!this.enabled) return; + 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.delegate(selector, "focus", this.bind(function () { - if (!this.enabled) return; + 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 - enable: function() { - if (this.enabled) return; - - this.parent.enable.apply(this, arguments); - - this.search.removeAttr("disabled"); - }, - - // multi - disable: function() { - if (!this.enabled) return; - - this.parent.disable.apply(this, arguments); - - this.search.attr("disabled", true); + 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() === "") { + if (this.opts.element.val() === "" && this.opts.element.text() === "") { this.updateSelection([]); this.close(); // set the placeholder if necessary @@ -1952,16 +2874,16 @@ // multi clearSearch: function () { - var placeholder = this.getPlaceholder(); + 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 - this.resizeSearch(); + // 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 { - // we set this to " " instead of "" and later clear it on focus() because there is a firefox bug - // that does not properly render the caret when the field starts out blank - this.search.val(" ").width(10); + this.search.val("").width(10); } }, @@ -1969,19 +2891,32 @@ clearPlaceholder: function () { if (this.search.hasClass("select2-default")) { this.search.val("").removeClass("select2-default"); - } else { - // work around for the space character we set to avoid firefox caret bug - if (this.search.val() === " ") this.search.val(""); } }, // 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.clearPlaceholder(); - this.resizeSearch(); this.focusSearch(); + + // initializes search's value with nextSearchTerm (if defined by user) + // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter + if(this.search.val() === "") { + if(this.nextSearchTerm != undefined){ + this.search.val(this.nextSearchTerm); + this.search.select(); + } + } + + this.updateResults(true); + if (this.opts.shouldFocusInput(this)) { + this.search.focus(); + } + this.opts.element.trigger($.Event("select2-open")); }, // multi @@ -2021,9 +2956,10 @@ self.postprocessResults(); }, + // multi tokenize: function() { var input = this.search.val(); - input = this.opts.tokenizer(input, this.data(), this.bind(this.onSelect), this.opts); + 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) { @@ -2034,9 +2970,21 @@ }, // multi - onSelect: function (data) { + onSelect: function (data, options) { + + if (!this.triggerSelect(data) || data.text === "") { return; } + this.addSelectedChoice(data); - if (this.select) { this.postprocessResults(); } + + 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(); @@ -2045,10 +2993,23 @@ 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); } } @@ -2056,7 +3017,8 @@ // added we do not need to check if this is a new element before firing change this.triggerChange({ added: data }); - this.focusSearch(); + if (!options || !options.noFocus) + this.focusSearch(); }, // multi @@ -2065,36 +3027,49 @@ this.focusSearch(); }, - // multi addSelectedChoice: function (data) { - var choice=$( + var enableChoice = !data.locked, + enabledItem = $( "<li class='select2-search-choice'>" + " <div></div>" + - " <a href='#' onclick='return false;' class='select2-search-choice-close' tabindex='-1'></a>" + + " <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; - - formatted=this.opts.formatSelection(data, choice); - choice.find("div").replaceWith("<div>"+this.opts.escapeMarkup(formatted)+"</div>"); - choice.find(".select2-search-choice-close") - .bind("mousedown", killEvent) - .bind("click dblclick", this.bind(function (e) { - if (!this.enabled) return; - - $(e.target).closest(".select2-search-choice").fadeOut('fast', this.bind(function(){ - this.unselect($(e.target)); - this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus"); - this.close(); - this.focusSearch(); - })).dequeue(); - killEvent(e); - })).bind("focus", this.bind(function () { - if (!this.enabled) return; - this.container.addClass("select2-container-active"); - this.dropdown.addClass("select2-drop-active"); - })); + 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); @@ -2108,7 +3083,6 @@ var val = this.getVal(), data, index; - selected = selected.closest(".select2-search-choice"); if (selected.length === 0) { @@ -2117,55 +3091,83 @@ data = selected.data("select2-data"); - index = indexOf(this.id(data), val); + 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; + } - if (index >= 0) { + 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 () { + postprocessResults: function (data, initial, noHighlightUpdate) { var val = this.getVal(), - choices = this.results.find(".select2-result-selectable"), + 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-disabled").removeClass("select2-result-selectable"); - } else { - choice.removeClass("select2-disabled").addClass("select2-result-selectable"); + 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, e) { - if (e.find(".select2-result-selectable").length==0) { - e.addClass("select2-disabled"); - } else { - e.removeClass("select2-disabled"); + 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"); } }); - choices.each2(function (i, choice) { - if (!choice.hasClass("select2-disabled") && choice.hasClass("select2-result-selectable")) { - self.highlight(0); - return false; + if (this.highlight() == -1 && noHighlightUpdate !== false){ + self.highlight(0); + } + + //If all results are chosen render formatNoMatches + if(!this.opts.createSearchChoice && !choices.filter('.select2-result:not(.select2-selected)').length > 0){ + if(!data || data && !data.more && this.results.find(".select2-no-results").length === 0) { + if (checkFormatter(self.opts.formatNoMatches, "formatNoMatches")) { + this.results.append("<li class='select2-no-results'>" + evaluate(self.opts.formatNoMatches, self.opts.element, self.search.val()) + "</li>"); + } } - }); + } }, // multi - resizeSearch: function () { + getMaxSearchWidth: function() { + return this.selection.width() - getSideBorderPadding(this.search); + }, + // multi + resizeSearch: function () { var minimumWidth, left, maxWidth, containerLeft, searchWidth, - sideBorderPadding = getSideBorderPadding(this.search); + sideBorderPadding = getSideBorderPadding(this.search); minimumWidth = measureTextWidth(this.search) + 10; @@ -2175,6 +3177,7 @@ containerLeft = this.selection.offset().left; searchWidth = maxWidth - (left - containerLeft) - sideBorderPadding; + if (searchWidth < minimumWidth) { searchWidth = maxWidth - sideBorderPadding; } @@ -2182,7 +3185,12 @@ if (searchWidth < 40) { searchWidth = maxWidth - sideBorderPadding; } - this.search.width(searchWidth); + + if (searchWidth <= 0) { + searchWidth = minimumWidth; + } + + this.search.width(Math.floor(searchWidth)); }, // multi @@ -2213,19 +3221,47 @@ }, // multi - val: function () { - var val, data = [], self=this; + 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(); } - val = arguments[0]; + oldData=this.data(); + if (!oldData.length) oldData=[]; - if (!val) { + // 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; } @@ -2233,20 +3269,23 @@ this.setVal(val); if (this.select) { - this.select.find(":selected").each(function () { - data.push({id: $(this).attr("value"), text: $(this).text()}); - }); - this.updateSelection(data); + this.opts.initSelection(this.select, this.bind(this.updateSelection)); + if (triggerChange) { + this.triggerChange(this.buildChangeDetails(oldData, this.data())); + } } else { if (this.opts.initSelection === undefined) { - throw new Error("val() cannot be called if initSelection() is not defined") + throw new Error("val() cannot be called if initSelection() is not defined"); } this.opts.initSelection(this.opts.element, function(data){ - var ids=$(data).map(self.id); + var ids=$.map(data, self.id); self.setVal(ids); self.updateSelection(data); self.clearSearch(); + if (triggerChange) { + self.triggerChange(self.buildChangeDetails(oldData, self.data())); + } }); } this.clearSearch(); @@ -2277,7 +3316,6 @@ this.resizeSearch(); // update selection - this.selection.find(".select2-search-choice").each(function() { val.push(self.opts.id($(this).data("select2-data"))); }); @@ -2286,19 +3324,23 @@ }, // multi - data: function(values) { - var self=this, ids; + data: function(values, triggerChange) { + var self=this, ids, old; if (arguments.length === 0) { return this.selection - .find(".select2-search-choice") + .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)}); + 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())); + } } } }); @@ -2308,7 +3350,11 @@ var args = Array.prototype.slice.call(arguments, 0), opts, select2, - value, multiple, allowedMethods = ["val", "destroy", "opened", "open", "close", "focus", "isFocused", "container", "onSortStart", "onSortEnd", "enable", "disable", "positionDropdown", "data"]; + 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") { @@ -2316,13 +3362,13 @@ opts.element = $(this); if (opts.element.get(0).tagName.toLowerCase() === "select") { - multiple = opts.element.attr("multiple"); + multiple = opts.element.prop("multiple"); } else { multiple = opts.multiple || false; if ("tags" in opts) {opts.multiple = multiple = true;} } - select2 = multiple ? new MultiSelect2() : new SingleSelect2(); + select2 = multiple ? new window.Select2["class"].multi() : new window.Select2["class"].single(); select2.init(opts); } else if (typeof(args[0]) === "string") { @@ -2333,12 +3379,22 @@ value = undefined; select2 = $(this).data("select2"); if (select2 === undefined) return; - if (args[0] === "container") { - value=select2.container; + + method=args[0]; + + if (method === "container") { + value = select2.container; + } else if (method === "dropdown") { + value = select2.dropdown; } else { - value = select2[args[0]].apply(select2, args.slice(1)); + if (methodsMap[method]) method = methodsMap[method]; + + value = select2[method].apply(select2, args.slice(1)); + } + if (indexOf(args[0], valueMethods) >= 0 + || (indexOf(args[0], propertyMethods) >= 0 && args.length == 1)) { + return false; // abort the iteration, ready to return first matched value } - if (value !== undefined) {return false;} } else { throw "Invalid arguments to select2 plugin: " + args; } @@ -2349,43 +3405,86 @@ // 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) { + formatResult: function(result, container, query, escapeMarkup) { var markup=[]; - markMatch(result.text, query.term, markup); + markMatch(result.text, query.term, markup, escapeMarkup); return markup.join(""); }, - formatSelection: function (data, container) { - return data.text; + formatSelection: function (data, container, escapeMarkup) { + return data ? escapeMarkup(data.text) : undefined; + }, + sortResults: function (results, container, query) { + return results; }, - formatResultCssClass: function(data) {return undefined;}, - formatNoMatches: function () { return "No matches found"; }, - formatInputTooShort: function (input, min) { return "Please enter " + (min - input.length) + " more characters"; }, - formatSelectionTooBig: function (limit) { return "You can only select " + limit + " item" + (limit == 1 ? "" : "s"); }, - formatLoadMore: function (pageNumber) { return "Loading more results..."; }, - formatSearching: function () { return "Searching..."; }, + formatResultCssClass: function(data) {return data.css;}, + formatSelectionCssClass: function(data, container) {return undefined;}, minimumResultsForSearch: 0, minimumInputLength: 0, + maximumInputLength: null, maximumSelectionSize: 0, - id: function (e) { return e.id; }, + id: function (e) { return e == undefined ? null : e.id; }, matcher: function(term, text) { - return text.toUpperCase().indexOf(term.toUpperCase()) >= 0; + return stripDiacritics(''+text).toUpperCase().indexOf(stripDiacritics(''+term).toUpperCase()) >= 0; }, separator: ",", tokenSeparators: [], tokenizer: defaultTokenizer, - escapeMarkup: function (markup) { - if (markup && typeof(markup) === "string") { - return markup.replace(/&/g, "&"); + escapeMarkup: defaultEscapeMarkup, + blurOnChange: false, + selectOnBlur: false, + adaptContainerCssClass: function(c) { return c; }, + adaptDropdownCssClass: function(c) { return null; }, + nextSearchTerm: function(selectedObject, currentSearchTerm) { return undefined; }, + searchInputPlaceholder: '', + createSearchChoicePosition: 'top', + shouldFocusInput: function (instance) { + // Attempt to detect touch devices + var supportsTouchEvents = (('ontouchstart' in window) || + (navigator.msMaxTouchPoints > 0)); + + // Only devices which support touch events should be special cased + if (!supportsTouchEvents) { + return true; } - return markup; - }, - blurOnChange: false + + // Never focus the input if search is disabled + if (instance.opts.minimumResultsForSearch < 0) { + return false; + } + + return true; + } + }; + + $.fn.select2.locales = []; + + $.fn.select2.locales['en'] = { + formatMatches: function (matches) { if (matches === 1) { return "One result is available, press enter to select it."; } return matches + " results are available, use up and down arrow keys to navigate."; }, + formatNoMatches: function () { return "No matches found"; }, + formatAjaxError: function (jqXHR, textStatus, errorThrown) { return "Loading failed"; }, + formatInputTooShort: function (input, min) { var n = min - input.length; return "Please enter " + n + " or more character" + (n == 1 ? "" : "s"); }, + formatInputTooLong: function (input, max) { var n = input.length - max; return "Please delete " + n + " character" + (n == 1 ? "" : "s"); }, + formatSelectionTooBig: function (limit) { return "You can only select " + limit + " item" + (limit == 1 ? "" : "s"); }, + formatLoadMore: function (pageNumber) { return "Loading more results…"; }, + formatSearching: function () { return "Searching…"; }, + }; + + $.extend($.fn.select2.defaults, $.fn.select2.locales['en']); + + $.fn.select2.ajaxDefaults = { + transport: $.ajax, + params: { + type: "GET", + cache: false, + dataType: "json" + } }; // exports @@ -2396,7 +3495,9 @@ tags: tags }, util: { debounce: debounce, - markMatch: markMatch + markMatch: markMatch, + escapeMarkup: defaultEscapeMarkup, + stripDiacritics: stripDiacritics }, "class": { "abstract": AbstractSelect2, "single": SingleSelect2, @@ -2404,4 +3505,4 @@ } }; -}(jQuery)); +}(jQuery));
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