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/* Copyright 2012 Igor Vaynberg Version: 3.5.4 Timestamp: Sun Aug 30 13:30:32 EDT 2015 This software is licensed under the Apache License, Version 2.0 (the "Apache License") or the GNU General Public License version 2 (the "GPL License"). You may choose either license to govern your use of this software only upon the condition that you accept all of the terms of either the Apache License or the GPL License. You may obtain a copy of the Apache License and the GPL License at: http://www.apache.org/licenses/LICENSE-2.0 http://www.gnu.org/licenses/gpl-2.0.html Unless required by applicable law or agreed to in writing, software distributed under the Apache License or the GPL License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the Apache License and the GPL License for the specific language governing permissions and limitations under the Apache License and the GPL License. */ (function ($) { if(typeof $.fn.each2 == "undefined") { $.extend($.fn, { /* * 4-10 times faster .each replacement * use it carefully, as it overrides jQuery context of element on each iteration */ each2 : function (c) { var j = $([0]), i = -1, l = this.length; while ( ++i < l && (j.context = j[0] = this[i]) && c.call(j[0], i, j) !== false //"this"=DOM, i=index, j=jQuery object ); return this; } }); } })(jQuery); (function ($, undefined) { "use strict"; /*global document, window, jQuery, console */ if (window.WpmlSelect2 !== undefined) { return; } var AbstractWpmlSelect2, SingleWpmlSelect2, MultiWpmlSelect2, nextUid, sizer, lastMousePosition={x:0,y:0}, $document, scrollBarDimensions, KEY = { TAB: 9, ENTER: 13, ESC: 27, SPACE: 32, LEFT: 37, UP: 38, RIGHT: 39, DOWN: 40, SHIFT: 16, CTRL: 17, ALT: 18, PAGE_UP: 33, PAGE_DOWN: 34, HOME: 36, END: 35, BACKSPACE: 8, DELETE: 46, isArrow: function (k) { k = k.which ? k.which : k; switch (k) { case KEY.LEFT: case KEY.RIGHT: case KEY.UP: case KEY.DOWN: return true; } return false; }, isControl: function (e) { var k = e.which; switch (k) { case KEY.SHIFT: case KEY.CTRL: case KEY.ALT: return true; } if (e.metaKey) return true; return false; }, isFunctionKey: function (k) { k = k.which ? k.which : k; return k >= 112 && k <= 123; } }, MEASURE_SCROLLBAR_TEMPLATE = "<div class='wpml_select2-measure-scrollbar'></div>", DIACRITICS = 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$document = $(document); nextUid=(function() { var counter=1; return function() { return counter++; }; }()); function reinsertElement(element) { var placeholder = $(document.createTextNode('')); element.before(placeholder); placeholder.before(element); placeholder.remove(); } function stripDiacritics(str) { // Used 'uni range + named function' from http://jsperf.com/diacritics/18 function match(a) { return DIACRITICS[a] || a; } return str.replace(/[^\u0000-\u007E]/g, match); } function indexOf(value, array) { var i = 0, l = array.length; for (; i < l; i = i + 1) { if (equal(value, array[i])) return i; } return -1; } function measureScrollbar () { var $template = $( MEASURE_SCROLLBAR_TEMPLATE ); $template.appendTo(document.body); var dim = { width: $template.width() - $template[0].clientWidth, height: $template.height() - $template[0].clientHeight }; $template.remove(); return dim; } /** * Compares equality of a and b * @param a * @param b */ function equal(a, b) { if (a === b) return true; if (a === undefined || b === undefined) return false; if (a === null || b === null) return false; // Check whether 'a' or 'b' is a string (primitive or object). // The concatenation of an empty string (+'') converts its argument to a string's primitive. if (a.constructor === String) return a+'' === b+''; // a+'' - in case 'a' is a String object if (b.constructor === String) return b+'' === a+''; // b+'' - in case 'b' is a String object return false; } /** * Splits the string into an array of values, transforming each value. An empty array is returned for nulls or empty * strings * @param string * @param separator */ function splitVal(string, separator, transform) { var val, i, l; if (string === null || string.length < 1) return []; val = string.split(separator); for (i = 0, l = val.length; i < l; i = i + 1) val[i] = transform(val[i]); return val; } function getSideBorderPadding(element) { return element.outerWidth(false) - element.width(); } function installKeyUpChangeEvent(element) { var key="keyup-change-value"; element.on("keydown", function () { if ($.data(element, key) === undefined) { $.data(element, key, element.val()); } }); element.on("keyup", function () { var val= $.data(element, key); if (val !== undefined && element.val() !== val) { $.removeData(element, key); element.trigger("keyup-change"); } }); } /** * filters mouse events so an event is fired only if the mouse moved. * * filters out mouse events that occur when mouse is stationary but * the elements under the pointer are scrolled. */ function installFilteredMouseMove(element) { element.on("mousemove", function (e) { var lastpos = lastMousePosition; if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) { $(e.target).trigger("mousemove-filtered", e); } }); } /** * Debounces a function. Returns a function that calls the original fn function only if no invocations have been made * within the last quietMillis milliseconds. * * @param quietMillis number of milliseconds to wait before invoking fn * @param fn function to be debounced * @param ctx object to be used as this reference within fn * @return debounced version of fn */ function debounce(quietMillis, fn, ctx) { ctx = ctx || undefined; var timeout; return function () { var args = arguments; window.clearTimeout(timeout); timeout = window.setTimeout(function() { fn.apply(ctx, args); }, quietMillis); }; } function installDebouncedScroll(threshold, element) { var notify = debounce(threshold, function (e) { element.trigger("scroll-debounced", e);}); element.on("scroll", function (e) { if (indexOf(e.target, element.get()) >= 0) notify(e); }); } function focus($el) { if ($el[0] === document.activeElement) return; /* set the focus in a 0 timeout - that way the focus is set after the processing of the current event has finished - which seems like the only reliable way to set focus */ window.setTimeout(function() { var el=$el[0], pos=$el.val().length, range; $el.focus(); /* make sure el received focus so we do not error out when trying to manipulate the caret. sometimes modals or others listeners may steal it after its set */ var isVisible = (el.offsetWidth > 0 || el.offsetHeight > 0); if (isVisible && el === document.activeElement) { /* after the focus is set move the caret to the end, necessary when we val() just before setting focus */ if(el.setSelectionRange) { el.setSelectionRange(pos, pos); } else if (el.createTextRange) { range = el.createTextRange(); range.collapse(false); range.select(); } } }, 0); } function getCursorInfo(el) { el = $(el)[0]; var offset = 0; var length = 0; if ('selectionStart' in el) { offset = el.selectionStart; length = el.selectionEnd - offset; } else if ('selection' in document) { el.focus(); var sel = document.selection.createRange(); length = document.selection.createRange().text.length; sel.moveStart('character', -el.value.length); offset = sel.text.length - length; } return { offset: offset, length: length }; } function killEvent(event) { event.preventDefault(); event.stopPropagation(); } function killEventImmediately(event) { event.preventDefault(); event.stopImmediatePropagation(); } function measureTextWidth(e) { if (!sizer){ var style = e[0].currentStyle || window.getComputedStyle(e[0], null); sizer = $(document.createElement("div")).css({ position: "absolute", left: "-10000px", top: "-10000px", display: "none", fontSize: style.fontSize, fontFamily: style.fontFamily, fontStyle: style.fontStyle, fontWeight: style.fontWeight, letterSpacing: style.letterSpacing, textTransform: style.textTransform, whiteSpace: "nowrap" }); sizer.attr("class","wpml_select2-sizer"); $(document.body).append(sizer); } sizer.text(e.val()); return sizer.width(); } function syncCssClasses(dest, src, adapter) { var classes, replacements = [], adapted; classes = $.trim(dest.attr("class")); if (classes) { classes = '' + classes; // for IE which returns object $(classes.split(/\s+/)).each2(function() { if (this.indexOf("wpml_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("wpml_select2-") !== 0) { adapted = adapter(this); if (adapted) { replacements.push(adapted); } } }); } dest.attr("class", replacements.join(" ")); } function markMatch(text, term, markup, escapeMarkup) { var match=stripDiacritics(text.toUpperCase()).indexOf(stripDiacritics(term.toUpperCase())), tl=term.length; if (match<0) { markup.push(escapeMarkup(text)); return; } markup.push(escapeMarkup(text.substring(0, match))); markup.push("<span class='wpml_select2-match'>"); markup.push(escapeMarkup(text.substring(match, match + tl))); markup.push("</span>"); markup.push(escapeMarkup(text.substring(match + tl, text.length))); } function defaultEscapeMarkup(markup) { var replace_map = { '\\': '\', '&': '&', '<': '<', '>': '>', '"': '"', "'": ''', "/": '/' }; return String(markup).replace(/[&<>"'\/\\]/g, function (match) { return replace_map[match]; }); } /** * Produces an ajax-based query function * * @param options object containing configuration parameters * @param options.params parameter map for the transport ajax call, can contain such options as cache, jsonpCallback, etc. see $.ajax * @param options.transport function that will be used to execute the ajax request. must be compatible with parameters supported by $.ajax * @param options.url url for the data * @param options.data a function(searchTerm, pageNumber, context) that should return an object containing query string parameters for the above url. * @param options.dataType request data type: ajax, jsonp, other datatypes supported by jQuery's $.ajax function or the transport function if specified * @param options.quietMillis (optional) milliseconds to wait before making the ajaxRequest, helps debounce the ajax function if invoked too often * @param options.results a function(remoteData, pageNumber, query) that converts data returned form the remote request to the format expected by WpmlSelect2. * The expected format is an object containing the following keys: * results array of objects that will be used as choices * more (optional) boolean indicating whether there are more results available * Example: {results:[{id:1, text:'Red'},{id:2, text:'Blue'}], more:true} */ function ajax(options) { var timeout, // current scheduled but not yet executed request handler = null, quietMillis = options.quietMillis || 100, ajaxUrl = options.url, self = this; return function (query) { window.clearTimeout(timeout); timeout = window.setTimeout(function () { var data = options.data, // ajax data function url = ajaxUrl, // ajax url string or function transport = options.transport || $.fn.wpml_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({}, $.fn.wpml_select2.ajaxDefaults.params, deprecated); data = data ? data.call(self, query.term, query.page, query.context) : null; url = (typeof url === 'function') ? url.call(self, query.term, query.page, query.context) : url; if (handler && typeof handler.abort === "function") { handler.abort(); } if (options.params) { if ($.isFunction(options.params)) { $.extend(params, options.params.call(self)); } else { $.extend(params, options.params); } } $.extend(params, { url: url, dataType: options.dataType, data: data, success: function (data) { // TODO - replace query.page with query so users have access to term, page, etc. // added query as third paramter to keep backwards compatibility var results = options.results(data, query.page, query); query.callback(results); }, error: function(jqXHR, textStatus, errorThrown){ var results = { hasError: true, jqXHR: jqXHR, textStatus: textStatus, errorThrown: errorThrown }; query.callback(results); } }); handler = transport.call(self, params); }, quietMillis); }; } /** * Produces a query function that works with a local array * * @param options object containing configuration parameters. The options parameter can either be an array or an * object. * * If the array form is used it is assumed that it contains objects with 'id' and 'text' keys. * * If the object form is used it is assumed that it contains 'data' and 'text' keys. The 'data' key should contain * an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text' * key can either be a String in which case it is expected that each element in the 'data' array has a key with the * value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract * the text. */ function local(options) { var data = options, // data elements dataText, tmp, text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search if ($.isArray(data)) { tmp = data; data = { results: tmp }; } if ($.isFunction(data) === false) { tmp = data; data = function() { return tmp; }; } var dataItem = data(); if (dataItem.text) { text = dataItem.text; // if text is not a function we assume it to be a key name if (!$.isFunction(text)) { dataText = dataItem.text; // we need to store this in a separate variable because in the next step data gets reset and data.text is no longer available text = function (item) { return item[dataText]; }; } } return function (query) { var t = query.term, filtered = { results: [] }, process; if (t === "") { query.callback(data()); return; } process = function(datum, collection) { var group, attr; datum = datum[0]; if (datum.children) { group = {}; for (attr in datum) { if (datum.hasOwnProperty(attr)) group[attr]=datum[attr]; } group.children=[]; $(datum.children).each2(function(i, childDatum) { process(childDatum, group.children); }); if (group.children.length || query.matcher(t, text(group), datum)) { collection.push(group); } } else { if (query.matcher(t, text(datum), datum)) { collection.push(datum); } } }; $(data().results).each2(function(i, datum) { process(datum, filtered.results); }); query.callback(filtered); }; } // TODO javadoc function tags(data) { var isFunc = $.isFunction(data); return function (query) { var t = query.term, filtered = {results: []}; var result = isFunc ? data(query) : data; if ($.isArray(result)) { $(result).each(function () { var isObject = this.text !== undefined, text = isObject ? this.text : this; if (t === "" || query.matcher(t, text)) { filtered.results.push(isObject ? this : {id: this, text: this}); } }); query.callback(filtered); } }; } /** * Checks if the formatter function should be used. * * Throws an error if it is not a function. Returns true if it should be used, * false if no formatting should be performed. * * @param formatter */ function checkFormatter(formatter, formatterName) { if ($.isFunction(formatter)) return true; if (!formatter) return false; if (typeof(formatter) === 'string') return true; throw new Error(formatterName +" must be a string, function, or falsy value"); } /** * Returns a given value * If given a function, returns its output * * @param val string|function * @param context value of "this" to be passed to function * @returns {*} */ function evaluate(val, context) { if ($.isFunction(val)) { var args = Array.prototype.slice.call(arguments, 2); return val.apply(context, args); } return val; } function countResults(results) { var count = 0; $.each(results, function(i, item) { if (item.children) { count += countResults(item.children); } else { count++; } }); return count; } /** * Default tokenizer. This function uses breaks the input on substring match of any string from the * opts.tokenSeparators array and uses opts.createSearchChoice to create the choice object. Both of those * two options have to be defined in order for the tokenizer to work. * * @param input text user has typed so far or pasted into the search field * @param selection currently selected choices * @param selectCallback function(choice) callback tho add the choice to selection * @param opts wpml_select2's opts * @return undefined/null to leave the current input unchanged, or a string to change the input to the returned value */ function defaultTokenizer(input, selection, selectCallback, opts) { var original = input, // store the original so we can compare and know if we need to tell the search to update its text dupe = false, // check for whether a token we extracted represents a duplicate selected choice token, // token index, // position at which the separator was found i, l, // looping variables separator; // the matched separator if (!opts.createSearchChoice || !opts.tokenSeparators || opts.tokenSeparators.length < 1) return undefined; while (true) { index = -1; for (i = 0, l = opts.tokenSeparators.length; i < l; i++) { separator = opts.tokenSeparators[i]; index = input.indexOf(separator); if (index >= 0) break; } if (index < 0) break; // did not find any token separator in the input string, bail token = input.substring(0, index); input = input.substring(index + separator.length); if (token.length > 0) { token = opts.createSearchChoice.call(this, token, selection); if (token !== undefined && token !== null && opts.id(token) !== undefined && opts.id(token) !== null) { dupe = false; for (i = 0, l = selection.length; i < l; i++) { if (equal(opts.id(token), opts.id(selection[i]))) { dupe = true; break; } } if (!dupe) selectCallback(token); } } } if (original!==input) return input; } function cleanupJQueryElements() { var self = this; $.each(arguments, function (i, element) { self[element].remove(); self[element] = null; }); } /** * Creates a new class * * @param superClass * @param methods */ function clazz(SuperClass, methods) { var constructor = function () {}; constructor.prototype = new SuperClass; constructor.prototype.constructor = constructor; constructor.prototype.parent = SuperClass.prototype; constructor.prototype = $.extend(constructor.prototype, methods); return constructor; } AbstractWpmlSelect2 = clazz(Object, { // abstract bind: function (func) { var self = this; return function () { func.apply(self, arguments); }; }, // abstract init: function (opts) { var results, search, resultsSelector = ".wpml_select2-results"; // prepare options this.opts = opts = this.prepareOpts(opts); this.id=opts.id; // destroy if called on an existing component if (opts.element.data("wpml_select2") !== undefined && opts.element.data("wpml_select2") !== null) { opts.element.data("wpml_select2").destroy(); } this.container = this.createContainer(); this.liveRegion = $('.wpml_select2-hidden-accessible'); if (this.liveRegion.length == 0) { this.liveRegion = $("<span>", { role: "status", "aria-live": "polite" }) .addClass("wpml_select2-hidden-accessible") .appendTo(document.body); } this.containerId="s2id_"+(opts.element.attr("id") || "autogen"+nextUid()); this.containerEventName= this.containerId .replace(/([.])/g, '_') .replace(/([;&,\-\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1'); this.container.attr("id", this.containerId); this.container.attr("title", opts.element.attr("title")); this.body = $(document.body); syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass); this.container.attr("style", opts.element.attr("style")); this.container.css(evaluate(opts.containerCss, this.opts.element)); this.container.addClass(evaluate(opts.containerCssClass, this.opts.element)); this.elementTabIndex = this.opts.element.attr("tabindex"); // swap container for the element this.opts.element .data("wpml_select2", this) .attr("tabindex", "-1") .before(this.container) .on("click.wpml_select2", killEvent); // do not leak click events this.container.data("wpml_select2", this); this.dropdown = this.container.find(".wpml_select2-drop"); syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass); this.dropdown.addClass(evaluate(opts.dropdownCssClass, this.opts.element)); this.dropdown.data("wpml_select2", this); this.dropdown.on("click", killEvent); this.results = results = this.container.find(resultsSelector); this.search = search = this.container.find("input.wpml_select2-input"); this.queryCount = 0; this.resultsPage = 0; this.context = null; // initialize the container this.initContainer(); this.container.on("click", killEvent); installFilteredMouseMove(this.results); this.dropdown.on("mousemove-filtered", resultsSelector, this.bind(this.highlightUnderEvent)); this.dropdown.on("touchstart touchmove touchend", resultsSelector, this.bind(function (event) { this._touchEvent = true; this.highlightUnderEvent(event); })); this.dropdown.on("touchmove", resultsSelector, this.bind(this.touchMoved)); this.dropdown.on("touchstart touchend", resultsSelector, this.bind(this.clearTouchMoved)); // Waiting for a click event on touch devices to select option and hide dropdown // otherwise click will be triggered on an underlying element this.dropdown.on('click', this.bind(function (event) { if (this._touchEvent) { this._touchEvent = false; this.selectHighlighted(); } })); installDebouncedScroll(80, this.results); this.dropdown.on("scroll-debounced", resultsSelector, this.bind(this.loadMoreIfNeeded)); // do not propagate change event from the search field out of the component $(this.container).on("change", ".wpml_select2-input", function(e) {e.stopPropagation();}); $(this.dropdown).on("change", ".wpml_select2-input", function(e) {e.stopPropagation();}); // if jquery.mousewheel plugin is installed we can prevent out-of-bounds scrolling of results via mousewheel if ($.fn.mousewheel) { results.mousewheel(function (e, delta, deltaX, deltaY) { var top = results.scrollTop(); if (deltaY > 0 && top - deltaY <= 0) { results.scrollTop(0); killEvent(e); } else if (deltaY < 0 && results.get(0).scrollHeight - results.scrollTop() + deltaY <= results.height()) { results.scrollTop(results.get(0).scrollHeight - results.height()); killEvent(e); } }); } installKeyUpChangeEvent(search); search.on("keyup-change input paste", this.bind(this.updateResults)); search.on("focus", function () { search.addClass("wpml_select2-focused"); }); search.on("blur", function () { search.removeClass("wpml_select2-focused");}); this.dropdown.on("mouseup", resultsSelector, this.bind(function (e) { if ($(e.target).closest(".wpml_select2-result-selectable").length > 0) { this.highlightUnderEvent(e); this.selectHighlighted(e); } })); // trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening // for mouse events outside of itself so it can close itself. since the dropdown is now outside the wpml_select2's // dom it will trigger the popup close, which is not what we want // focusin can cause focus wars between modals and wpml_select2 since the dropdown is outside the modal. this.dropdown.on("click mouseup mousedown touchstart touchend focusin", function (e) { e.stopPropagation(); }); this.lastSearchTerm = undefined; if ($.isFunction(this.opts.initSelection)) { // initialize selection based on the current value of the source element this.initSelection(); // if the user has provided a function that can set selection based on the value of the source element // we monitor the change event on the element and trigger it, allowing for two way synchronization this.monitorSource(); } if (opts.maximumInputLength !== null) { this.search.attr("maxlength", opts.maximumInputLength); } var disabled = opts.element.prop("disabled"); if (disabled === undefined) disabled = false; this.enable(!disabled); var readonly = opts.element.prop("readonly"); if (readonly === undefined) readonly = false; this.readonly(readonly); // Calculate size of scrollbar scrollBarDimensions = scrollBarDimensions || measureScrollbar(); this.autofocus = opts.element.prop("autofocus"); opts.element.prop("autofocus", false); if (this.autofocus) this.focus(); this.search.attr("placeholder", opts.searchInputPlaceholder); }, // abstract destroy: function () { var element=this.opts.element, wpml_select2 = element.data("wpml_select2"), self = this; this.close(); if (element.length && element[0].detachEvent && self._sync) { element.each(function () { if (self._sync) { this.detachEvent("onpropertychange", self._sync); } }); } if (this.propertyObserver) { this.propertyObserver.disconnect(); this.propertyObserver = null; } this._sync = null; if (wpml_select2 !== undefined) { wpml_select2.container.remove(); wpml_select2.liveRegion.remove(); wpml_select2.dropdown.remove(); element.removeData("wpml_select2") .off(".wpml_select2"); if (!element.is("input[type='hidden']")) { element .show() .prop("autofocus", this.autofocus || false); if (this.elementTabIndex) { element.attr({tabindex: this.elementTabIndex}); } else { element.removeAttr("tabindex"); } element.show(); } else { element.css("display", ""); } } cleanupJQueryElements.call(this, "container", "liveRegion", "dropdown", "results", "search" ); }, // abstract optionToData: function(element) { if (element.is("option")) { return { id:element.prop("value"), text:element.text(), element: element.get(), css: element.attr("class"), disabled: element.prop("disabled"), locked: equal(element.attr("locked"), "locked") || equal(element.data("locked"), true) }; } else if (element.is("optgroup")) { return { text:element.attr("label"), children:[], element: element.get(), css: element.attr("class") }; } }, // abstract prepareOpts: function (opts) { var element, select, idKey, ajaxUrl, self = this; element = opts.element; if (element.get(0).tagName.toLowerCase() === "select") { this.select = select = opts.element; } if (select) { // these options are not allowed when attached to a select because they are picked up off the element itself $.each(["id", "multiple", "ajax", "query", "createSearchChoice", "initSelection", "data", "tags"], function () { if (this in opts) { throw new Error("Option '" + this + "' is not allowed for WpmlSelect2 when attached to a <select> element."); } }); } opts.debug = opts.debug || $.fn.wpml_select2.defaults.debug; // Warnings for options renamed/removed in WpmlSelect2 4.0.0 // Only when it's enabled through debug mode if (opts.debug && console && console.warn) { // id was removed if (opts.id != null) { console.warn( 'WpmlSelect2: The `id` option has been removed in WpmlSelect2 4.0.0, ' + 'consider renaming your `id` property or mapping the property before your data makes it to WpmlSelect2. ' + 'You can read more at https://wpml_select2.github.io/announcements-4.0.html#changed-id' ); } // text was removed if (opts.text != null) { console.warn( 'WpmlSelect2: The `text` option has been removed in WpmlSelect2 4.0.0, ' + 'consider renaming your `text` property or mapping the property before your data makes it to WpmlSelect2. ' + 'You can read more at https://wpml_select2.github.io/announcements-4.0.html#changed-id' ); } // sortResults was renamed to results if (opts.sortResults != null) { console.warn( 'WpmlSelect2: the `sortResults` option has been renamed to `sorter` in WpmlSelect2 4.0.0. ' ); } // selectOnBlur was renamed to selectOnClose if (opts.selectOnBlur != null) { console.warn( 'WpmlSelect2: The `selectOnBlur` option has been renamed to `selectOnClose` in WpmlSelect2 4.0.0.' ); } // ajax.results was renamed to ajax.processResults if (opts.ajax != null && opts.ajax.results != null) { console.warn( 'WpmlSelect2: The `ajax.results` option has been renamed to `ajax.processResults` in WpmlSelect2 4.0.0.' ); } // format* options were renamed to language.* if (opts.formatNoResults != null) { console.warn( 'WpmlSelect2: The `formatNoResults` option has been renamed to `language.noResults` in WpmlSelect2 4.0.0.' ); } if (opts.formatSearching != null) { console.warn( 'WpmlSelect2: The `formatSearching` option has been renamed to `language.searching` in WpmlSelect2 4.0.0.' ); } if (opts.formatInputTooShort != null) { console.warn( 'WpmlSelect2: The `formatInputTooShort` option has been renamed to `language.inputTooShort` in WpmlSelect2 4.0.0.' ); } if (opts.formatInputTooLong != null) { console.warn( 'WpmlSelect2: The `formatInputTooLong` option has been renamed to `language.inputTooLong` in WpmlSelect2 4.0.0.' ); } if (opts.formatLoading != null) { console.warn( 'WpmlSelect2: The `formatLoading` option has been renamed to `language.loadingMore` in WpmlSelect2 4.0.0.' ); } if (opts.formatSelectionTooBig != null) { console.warn( 'WpmlSelect2: The `formatSelectionTooBig` option has been renamed to `language.maximumSelected` in WpmlSelect2 4.0.0.' ); } if (opts.element.data('wpml_select2Tags')) { console.warn( 'WpmlSelect2: The `data-wpml_select2-tags` attribute has been renamed to `data-tags` in WpmlSelect2 4.0.0.' ); } } // Aliasing options renamed in WpmlSelect2 4.0.0 // data-wpml_select2-tags -> data-tags if (opts.element.data('tags') != null) { var elemTags = opts.element.data('tags'); // data-tags should actually be a boolean if (!$.isArray(elemTags)) { elemTags = []; } opts.element.data('wpml_select2Tags', elemTags); } // sortResults -> sorter if (opts.sorter != null) { opts.sortResults = opts.sorter; } // selectOnBlur -> selectOnClose if (opts.selectOnClose != null) { opts.selectOnBlur = opts.selectOnClose; } // ajax.results -> ajax.processResults if (opts.ajax != null) { if ($.isFunction(opts.ajax.processResults)) { opts.ajax.results = opts.ajax.processResults; } } // Formatters/language options if (opts.language != null) { var lang = opts.language; // formatNoMatches -> language.noMatches if ($.isFunction(lang.noMatches)) { opts.formatNoMatches = lang.noMatches; } // formatSearching -> language.searching if ($.isFunction(lang.searching)) { opts.formatSearching = lang.searching; } // formatInputTooShort -> language.inputTooShort if ($.isFunction(lang.inputTooShort)) { opts.formatInputTooShort = lang.inputTooShort; } // formatInputTooLong -> language.inputTooLong if ($.isFunction(lang.inputTooLong)) { opts.formatInputTooLong = lang.inputTooLong; } // formatLoading -> language.loadingMore if ($.isFunction(lang.loadingMore)) { opts.formatLoading = lang.loadingMore; } // formatSelectionTooBig -> language.maximumSelected if ($.isFunction(lang.maximumSelected)) { opts.formatSelectionTooBig = lang.maximumSelected; } } opts = $.extend({}, { populateResults: function(container, results, query) { var populate, id=this.opts.id, liveRegion=this.liveRegion; populate=function(results, container, depth) { var i, l, result, selectable, disabled, compound, node, label, innerContainer, formatted; results = opts.sortResults(results, container, query); // collect the created nodes for bulk append var nodes = []; for (i = 0, l = results.length; i < l; i = i + 1) { result=results[i]; disabled = (result.disabled === true); selectable = (!disabled) && (id(result) !== undefined); compound=result.children && result.children.length > 0; node=$("<li></li>"); node.addClass("wpml_select2-results-dept-"+depth); node.addClass("wpml_select2-result"); node.addClass(selectable ? "wpml_select2-result-selectable" : "wpml_select2-result-unselectable"); if (disabled) { node.addClass("wpml_select2-disabled"); } if (compound) { node.addClass("wpml_select2-result-with-children"); } node.addClass(self.opts.formatResultCssClass(result)); node.attr("role", "presentation"); label=$(document.createElement("div")); label.addClass("wpml_select2-result-label"); label.attr("id", "wpml_select2-result-label-" + nextUid()); label.attr("role", "option"); formatted=opts.formatResult(result, label, query, self.opts.escapeMarkup); if (formatted!==undefined) { label.html(formatted); node.append(label); } if (compound) { innerContainer=$("<ul></ul>"); innerContainer.addClass("wpml_select2-result-sub"); populate(result.children, innerContainer, depth+1); node.append(innerContainer); } node.data("wpml_select2-data", result); nodes.push(node[0]); } // bulk append the created nodes container.append(nodes); liveRegion.text(opts.formatMatches(results.length)); }; populate(results, container, 0); } }, $.fn.wpml_select2.defaults, opts); if (typeof(opts.id) !== "function") { idKey = opts.id; opts.id = function (e) { return e[idKey]; }; } if ($.isArray(opts.element.data("wpml_select2Tags"))) { if ("tags" in opts) { throw "tags specified as both an attribute 'data-wpml_select2-tags' and in options of WpmlSelect2 " + opts.element.attr("id"); } opts.tags=opts.element.data("wpml_select2Tags"); } if (select) { opts.query = this.bind(function (query) { var data = { results: [], more: false }, term = query.term, children, placeholderOption, process; process=function(element, collection) { var group; if (element.is("option")) { if (query.matcher(term, element.text(), element)) { collection.push(self.optionToData(element)); } } else if (element.is("optgroup")) { group=self.optionToData(element); element.children().each2(function(i, elm) { process(elm, group.children); }); if (group.children.length>0) { collection.push(group); } } }; children=element.children(); // ignore the placeholder option if there is one if (this.getPlaceholder() !== undefined && children.length > 0) { placeholderOption = this.getPlaceholderOption(); if (placeholderOption) { children=children.not(placeholderOption); } } children.each2(function(i, elm) { process(elm, data.results); }); query.callback(data); }); // this is needed because inside val() we construct choices from options and their id is hardcoded opts.id=function(e) { return e.id; }; } else { if (!("query" in opts)) { if ("ajax" in opts) { ajaxUrl = opts.element.data("ajax-url"); if (ajaxUrl && ajaxUrl.length > 0) { opts.ajax.url = ajaxUrl; } opts.query = ajax.call(opts.element, opts.ajax); } else if ("data" in opts) { opts.query = local(opts.data); } else if ("tags" in opts) { opts.query = tags(opts.tags); if (opts.createSearchChoice === undefined) { opts.createSearchChoice = function (term) { return {id: $.trim(term), text: $.trim(term)}; }; } if (opts.initSelection === undefined) { opts.initSelection = function (element, callback) { var data = []; $(splitVal(element.val(), opts.separator, opts.transformVal)).each(function () { var obj = { id: this, text: this }, tags = opts.tags; if ($.isFunction(tags)) tags=tags(); $(tags).each(function() { if (equal(this.id, obj.id)) { obj = this; return false; } }); data.push(obj); }); callback(data); }; } } } } if (typeof(opts.query) !== "function") { throw "query function not defined for WpmlSelect2 " + opts.element.attr("id"); } if (opts.createSearchChoicePosition === 'top') { opts.createSearchChoicePosition = function(list, item) { list.unshift(item); }; } else if (opts.createSearchChoicePosition === 'bottom') { opts.createSearchChoicePosition = function(list, item) { list.push(item); }; } else if (typeof(opts.createSearchChoicePosition) !== "function") { throw "invalid createSearchChoicePosition option must be 'top', 'bottom' or a custom function"; } return opts; }, /** * Monitor the original element for changes and update wpml_select2 accordingly */ // abstract monitorSource: function () { var el = this.opts.element, observer, self = this; el.on("change.wpml_select2", this.bind(function (e) { if (this.opts.element.data("wpml_select2-change-triggered") !== true) { this.initSelection(); } })); this._sync = this.bind(function () { // sync enabled state var disabled = el.prop("disabled"); if (disabled === undefined) disabled = false; this.enable(!disabled); var readonly = el.prop("readonly"); if (readonly === undefined) readonly = false; this.readonly(readonly); if (this.container) { syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass); this.container.addClass(evaluate(this.opts.containerCssClass, this.opts.element)); } if (this.dropdown) { syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass); this.dropdown.addClass(evaluate(this.opts.dropdownCssClass, this.opts.element)); } }); // IE8-10 (IE9/10 won't fire propertyChange via attachEventListener) if (el.length && el[0].attachEvent) { el.each(function() { this.attachEvent("onpropertychange", self._sync); }); } // safari, chrome, firefox, IE11 observer = window.MutationObserver || window.WebKitMutationObserver|| window.MozMutationObserver; if (observer !== undefined) { if (this.propertyObserver) { delete this.propertyObserver; this.propertyObserver = null; } this.propertyObserver = new observer(function (mutations) { $.each(mutations, self._sync); }); this.propertyObserver.observe(el.get(0), { attributes:true, subtree:false }); } }, // abstract triggerSelect: function(data) { var evt = $.Event("wpml_select2-selecting", { val: this.id(data), object: data, choice: data }); this.opts.element.trigger(evt); return !evt.isDefaultPrevented(); }, /** * Triggers the change event on the source element */ // abstract triggerChange: function (details) { details = details || {}; details= $.extend({}, details, { type: "change", val: this.val() }); // prevents recursive triggering this.opts.element.data("wpml_select2-change-triggered", true); this.opts.element.trigger(details); this.opts.element.data("wpml_select2-change-triggered", false); // some validation frameworks ignore the change event and listen instead to keyup, click for selects // so here we trigger the click event manually this.opts.element.click(); // ValidationEngine ignores the change event and listens instead to blur // so here we trigger the blur event manually if so desired if (this.opts.blurOnChange) this.opts.element.blur(); }, //abstract isInterfaceEnabled: function() { return this.enabledInterface === true; }, // abstract enableInterface: function() { var enabled = this._enabled && !this._readonly, disabled = !enabled; if (enabled === this.enabledInterface) return false; this.container.toggleClass("wpml_select2-container-disabled", disabled); this.close(); this.enabledInterface = enabled; return true; }, // abstract enable: function(enabled) { if (enabled === undefined) enabled = true; if (this._enabled === enabled) return; this._enabled = enabled; this.opts.element.prop("disabled", !enabled); this.enableInterface(); }, // abstract disable: function() { this.enable(false); }, // abstract readonly: function(enabled) { if (enabled === undefined) enabled = false; if (this._readonly === enabled) return; this._readonly = enabled; this.opts.element.prop("readonly", enabled); this.enableInterface(); }, // abstract opened: function () { return (this.container) ? this.container.hasClass("wpml_select2-dropdown-open") : false; }, // abstract positionDropdown: function() { var $dropdown = this.dropdown, container = this.container, offset = container.offset(), height = container.outerHeight(false), width = container.outerWidth(false), dropHeight = $dropdown.outerHeight(false), $window = $(window), windowWidth = $window.width(), windowHeight = $window.height(), viewPortRight = $window.scrollLeft() + windowWidth, viewportBottom = $window.scrollTop() + windowHeight, dropTop = offset.top + height, dropLeft = offset.left, enoughRoomBelow = dropTop + dropHeight <= viewportBottom, enoughRoomAbove = (offset.top - dropHeight) >= $window.scrollTop(), dropWidth = $dropdown.outerWidth(false), enoughRoomOnRight = function() { return dropLeft + dropWidth <= viewPortRight; }, enoughRoomOnLeft = function() { return offset.left + viewPortRight + container.outerWidth(false) > dropWidth; }, aboveNow = $dropdown.hasClass("wpml_select2-drop-above"), bodyOffset, above, changeDirection, css, resultsListNode; // always prefer the current above/below alignment, unless there is not enough room if (aboveNow) { above = true; if (!enoughRoomAbove && enoughRoomBelow) { changeDirection = true; above = false; } } else { above = false; if (!enoughRoomBelow && enoughRoomAbove) { changeDirection = true; above = true; } } //if we are changing direction we need to get positions when dropdown is hidden; if (changeDirection) { $dropdown.hide(); offset = this.container.offset(); height = this.container.outerHeight(false); width = this.container.outerWidth(false); dropHeight = $dropdown.outerHeight(false); viewPortRight = $window.scrollLeft() + windowWidth; viewportBottom = $window.scrollTop() + windowHeight; dropTop = offset.top + height; dropLeft = offset.left; dropWidth = $dropdown.outerWidth(false); $dropdown.show(); // fix so the cursor does not move to the left within the search-textbox in IE this.focusSearch(); } if (this.opts.dropdownAutoWidth) { resultsListNode = $('.wpml_select2-results', $dropdown)[0]; $dropdown.addClass('wpml_select2-drop-auto-width'); $dropdown.css('width', ''); // Add scrollbar width to dropdown if vertical scrollbar is present dropWidth = $dropdown.outerWidth(false) + (resultsListNode.scrollHeight === resultsListNode.clientHeight ? 0 : scrollBarDimensions.width); dropWidth > width ? width = dropWidth : dropWidth = width; dropHeight = $dropdown.outerHeight(false); } else { this.container.removeClass('wpml_select2-drop-auto-width'); } //console.log("below/ droptop:", dropTop, "dropHeight", dropHeight, "sum", (dropTop+dropHeight)+" viewport bottom", viewportBottom, "enough?", enoughRoomBelow); //console.log("above/ offset.top", offset.top, "dropHeight", dropHeight, "top", (offset.top-dropHeight), "scrollTop", this.body.scrollTop(), "enough?", enoughRoomAbove); // fix positioning when body has an offset and is not position: static if (this.body.css('position') !== 'static') { bodyOffset = this.body.offset(); dropTop -= bodyOffset.top; dropLeft -= bodyOffset.left; } if (!enoughRoomOnRight() && enoughRoomOnLeft()) { dropLeft = offset.left + this.container.outerWidth(false) - dropWidth; } css = { left: dropLeft, width: width }; if (above) { this.container.addClass("wpml_select2-drop-above"); $dropdown.addClass("wpml_select2-drop-above"); dropHeight = $dropdown.outerHeight(false); css.top = offset.top - dropHeight; css.bottom = 'auto'; } else { css.top = dropTop; css.bottom = 'auto'; this.container.removeClass("wpml_select2-drop-above"); $dropdown.removeClass("wpml_select2-drop-above"); } css = $.extend(css, evaluate(this.opts.dropdownCss, this.opts.element)); $dropdown.css(css); }, // abstract shouldOpen: function() { var event; if (this.opened()) return false; if (this._enabled === false || this._readonly === true) return false; event = $.Event("wpml_select2-opening"); this.opts.element.trigger(event); return !event.isDefaultPrevented(); }, // abstract clearDropdownAlignmentPreference: function() { // clear the classes used to figure out the preference of where the dropdown should be opened this.container.removeClass("wpml_select2-drop-above"); this.dropdown.removeClass("wpml_select2-drop-above"); }, /** * Opens the dropdown * * @return {Boolean} whether or not dropdown was opened. This method will return false if, for example, * the dropdown is already open, or if the 'open' event listener on the element called preventDefault(). */ // abstract open: function () { if (!this.shouldOpen()) return false; this.opening(); // Only bind the document mousemove when the dropdown is visible $document.on("mousemove.wpml_select2Event", function (e) { lastMousePosition.x = e.pageX; lastMousePosition.y = e.pageY; }); return true; }, /** * Performs the opening of the dropdown */ // abstract opening: function() { var cid = this.containerEventName, scroll = "scroll." + cid, resize = "resize."+cid, orient = "orientationchange."+cid, mask; this.container.addClass("wpml_select2-dropdown-open").addClass("wpml_select2-container-active"); this.clearDropdownAlignmentPreference(); if(this.dropdown[0] !== this.body.children().last()[0]) { this.dropdown.detach().appendTo(this.body); } // create the dropdown mask if doesn't already exist mask = $("#wpml_select2-drop-mask"); if (mask.length === 0) { mask = $(document.createElement("div")); mask.attr("id","wpml_select2-drop-mask").attr("class","wpml_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 = $("#wpml_select2-drop"), self; if (dropdown.length > 0) { self=dropdown.data("wpml_select2"); if (self.opts.selectOnBlur) { self.selectHighlighted({noFocus: true}); } self.close(); e.preventDefault(); e.stopPropagation(); } }); } // ensure the mask is always right before the dropdown if (this.dropdown.prev()[0] !== mask[0]) { this.dropdown.before(mask); } // move the global id to the correct dropdown $("#wpml_select2-drop").removeAttr("id"); this.dropdown.attr("id", "wpml_select2-drop"); // show the elements mask.show(); this.positionDropdown(); this.dropdown.show(); this.positionDropdown(); this.dropdown.addClass("wpml_select2-drop-active"); // attach listeners to events that can change the position of the container and thus require // the position of the dropdown to be updated as well so it does not come unglued from the container var that = this; this.container.parents().add(window).each(function () { $(this).on(resize+" "+scroll+" "+orient, function (e) { if (that.opened()) that.positionDropdown(); }); }); }, // abstract close: function () { if (!this.opened()) return; var cid = this.containerEventName, scroll = "scroll." + cid, resize = "resize."+cid, orient = "orientationchange."+cid; // unbind event listeners this.container.parents().add(window).each(function () { $(this).off(scroll).off(resize).off(orient); }); this.clearDropdownAlignmentPreference(); $("#wpml_select2-drop-mask").hide(); this.dropdown.removeAttr("id"); // only the active dropdown has the wpml_select2-drop id this.dropdown.hide(); this.container.removeClass("wpml_select2-dropdown-open").removeClass("wpml_select2-container-active"); this.results.empty(); // Now that the dropdown is closed, unbind the global document mousemove event $document.off("mousemove.wpml_select2Event"); this.clearSearch(); this.search.removeClass("wpml_select2-active"); // Remove the aria active descendant for highlighted element this.search.removeAttr("aria-activedescendant"); this.opts.element.trigger($.Event("wpml_select2-close")); }, /** * Opens control, sets input value, and updates results. */ // abstract externalSearch: function (term) { this.open(); this.search.val(term); this.updateResults(false); }, // abstract clearSearch: function () { }, /** * @return {Boolean} Whether or not search value was changed. * @private */ prefillNextSearchTerm: function () { // initializes search's value with nextSearchTerm (if defined by user) // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter if(this.search.val() !== "") { return false; } var nextSearchTerm = this.opts.nextSearchTerm(this.data(), this.lastSearchTerm); if(nextSearchTerm !== undefined){ this.search.val(nextSearchTerm); this.search.select(); return true; } return false; }, //abstract getMaximumSelectionSize: function() { return evaluate(this.opts.maximumSelectionSize, this.opts.element); }, // abstract ensureHighlightVisible: function () { var results = this.results, children, index, child, hb, rb, y, more, topOffset; index = this.highlight(); if (index < 0) return; if (index == 0) { // if the first element is highlighted scroll all the way to the top, // that way any unselectable headers above it will also be scrolled // into view results.scrollTop(0); return; } children = this.findHighlightableChoices().find('.wpml_select2-result-label'); child = $(children[index]); topOffset = (child.offset() || {}).top || 0; hb = topOffset + child.outerHeight(true); // if this is the last child lets also make sure wpml_select2-more-results is visible if (index === children.length - 1) { more = results.find("li.wpml_select2-more-results"); if (more.length > 0) { hb = more.offset().top + more.outerHeight(true); } } rb = results.offset().top + results.outerHeight(false); if (hb > rb) { results.scrollTop(results.scrollTop() + (hb - rb)); } y = topOffset - results.offset().top; // make sure the top of the element is visible if (y < 0 && child.css('display') != 'none' ) { results.scrollTop(results.scrollTop() + y); // y is negative } }, // abstract findHighlightableChoices: function() { return this.results.find(".wpml_select2-result-selectable:not(.wpml_select2-disabled):not(.wpml_select2-selected)"); }, // abstract moveHighlight: function (delta) { var choices = this.findHighlightableChoices(), index = this.highlight(); while (index > -1 && index < choices.length) { index += delta; var choice = $(choices[index]); if (choice.hasClass("wpml_select2-result-selectable") && !choice.hasClass("wpml_select2-disabled") && !choice.hasClass("wpml_select2-selected")) { this.highlight(index); break; } } }, // abstract highlight: function (index) { var choices = this.findHighlightableChoices(), choice, data; if (arguments.length === 0) { return indexOf(choices.filter(".wpml_select2-highlighted")[0], choices.get()); } if (index >= choices.length) index = choices.length - 1; if (index < 0) index = 0; this.removeHighlight(); choice = $(choices[index]); choice.addClass("wpml_select2-highlighted"); // ensure assistive technology can determine the active choice this.search.attr("aria-activedescendant", choice.find(".wpml_select2-result-label").attr("id")); this.ensureHighlightVisible(); this.liveRegion.text(choice.text()); data = choice.data("wpml_select2-data"); if (data) { this.opts.element.trigger({ type: "wpml_select2-highlight", val: this.id(data), choice: data }); } }, removeHighlight: function() { this.results.find(".wpml_select2-highlighted").removeClass("wpml_select2-highlighted"); }, touchMoved: function() { this._touchMoved = true; }, clearTouchMoved: function() { this._touchMoved = false; }, // abstract countSelectableResults: function() { return this.findHighlightableChoices().length; }, // abstract highlightUnderEvent: function (event) { var el = $(event.target).closest(".wpml_select2-result-selectable"); if (el.length > 0 && !el.is(".wpml_select2-highlighted")) { var choices = this.findHighlightableChoices(); this.highlight(choices.index(el)); } else if (el.length == 0) { // if we are over an unselectable item remove all highlights this.removeHighlight(); } }, // abstract loadMoreIfNeeded: function () { var results = this.results, more = results.find("li.wpml_select2-more-results"), below, // pixels the element is below the scroll fold, below==0 is when the element is starting to be visible page = this.resultsPage + 1, self=this, term=this.search.val(), context=this.context; if (more.length === 0) return; below = more.offset().top - results.offset().top - results.height(); if (below <= this.opts.loadMorePadding) { more.addClass("wpml_select2-active"); this.opts.query({ element: this.opts.element, term: term, page: page, context: context, matcher: this.opts.matcher, callback: this.bind(function (data) { // ignore a response if the wpml_select2 has been closed before it was received if (!self.opened()) return; self.opts.populateResults.call(this, results, data.results, {term: term, page: page, context:context}); self.postprocessResults(data, false, false); if (data.more===true) { more.detach().appendTo(results).html(self.opts.escapeMarkup(evaluate(self.opts.formatLoadMore, self.opts.element, page+1))); window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10); } else { more.remove(); } self.positionDropdown(); self.resultsPage = page; self.context = data.context; this.opts.element.trigger({ type: "wpml_select2-loaded", items: data }); })}); } }, /** * Default tokenizer function which does nothing */ tokenize: function() { }, /** * @param initial whether or not this is the call to this method right after the dropdown has been opened */ // abstract updateResults: function (initial) { var search = this.search, results = this.results, opts = this.opts, data, self = this, input, term = search.val(), lastTerm = $.data(this.container, "wpml_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; $.data(this.container, "wpml_select2-last-term", term); // if the search is currently hidden we do not alter the results if (initial !== true && (this.showSearchInput === false || !this.opened())) { return; } function postRender() { search.removeClass("wpml_select2-active"); self.positionDropdown(); if (results.find('.wpml_select2-no-results,.wpml_select2-selection-limit,.wpml_select2-searching').length) { self.liveRegion.text(results.text()); } else { self.liveRegion.text(self.opts.formatMatches(results.find('.wpml_select2-result-selectable:not(".wpml_select2-selected")').length)); } } function render(html) { results.html(html); postRender(); } queryNumber = ++this.queryCount; var maxSelSize = this.getMaximumSelectionSize(); if (maxSelSize >=1) { data = this.data(); if ($.isArray(data) && data.length >= maxSelSize && checkFormatter(opts.formatSelectionTooBig, "formatSelectionTooBig")) { render("<li class='wpml_select2-selection-limit'>" + evaluate(opts.formatSelectionTooBig, opts.element, maxSelSize) + "</li>"); return; } } if (search.val().length < opts.minimumInputLength) { if (checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) { render("<li class='wpml_select2-no-results'>" + evaluate(opts.formatInputTooShort, opts.element, search.val(), opts.minimumInputLength) + "</li>"); } else { render(""); } if (initial && this.showSearch) this.showSearch(true); return; } if (opts.maximumInputLength && search.val().length > opts.maximumInputLength) { if (checkFormatter(opts.formatInputTooLong, "formatInputTooLong")) { render("<li class='wpml_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='wpml_select2-searching'>" + evaluate(opts.formatSearching, opts.element) + "</li>"); } search.addClass("wpml_select2-active"); this.removeHighlight(); // give the tokenizer a chance to pre-process the input input = this.tokenize(); if (input != undefined && input != null) { search.val(input); } this.resultsPage = 1; opts.query({ element: opts.element, term: search.val(), page: this.resultsPage, context: null, matcher: opts.matcher, callback: this.bind(function (data) { var def; // default choice // ignore old responses if (queryNumber != this.queryCount) { return; } // ignore a response if the wpml_select2 has been closed before it was received if (!this.opened()) { this.search.removeClass("wpml_select2-active"); return; } // handle ajax error if(data.hasError !== undefined && checkFormatter(opts.formatAjaxError, "formatAjaxError")) { render("<li class='wpml_select2-ajax-error'>" + evaluate(opts.formatAjaxError, opts.element, data.jqXHR, data.textStatus, data.errorThrown) + "</li>"); return; } // save context, if any this.context = (data.context===undefined) ? null : data.context; // create a default choice and prepend it to the list if (this.opts.createSearchChoice && search.val() !== "") { def = this.opts.createSearchChoice.call(self, search.val(), data.results); if (def !== undefined && def !== null && self.id(def) !== undefined && self.id(def) !== null) { if ($(data.results).filter( function () { return equal(self.id(this), self.id(def)); }).length === 0) { this.opts.createSearchChoicePosition(data.results, def); } } } if (data.results.length === 0 && checkFormatter(opts.formatNoMatches, "formatNoMatches")) { render("<li class='wpml_select2-no-results'>" + evaluate(opts.formatNoMatches, opts.element, search.val()) + "</li>"); if(this.showSearch){ this.showSearch(search.val()); } return; } results.empty(); self.opts.populateResults.call(this, results, data.results, {term: search.val(), page: this.resultsPage, context:null}); if (data.more === true && checkFormatter(opts.formatLoadMore, "formatLoadMore")) { results.append("<li class='wpml_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: "wpml_select2-loaded", items: data }); })}); }, // abstract cancel: function () { this.close(); }, // abstract blur: function () { // if selectOnBlur == true, select the currently highlighted option if (this.opts.selectOnBlur) this.selectHighlighted({noFocus: true}); this.close(); this.container.removeClass("wpml_select2-container-active"); // synonymous to .is(':focus'), which is available in jquery >= 1.6 if (this.search[0] === document.activeElement) { this.search.blur(); } this.clearSearch(); this.selection.find(".wpml_select2-search-choice-focus").removeClass("wpml_select2-search-choice-focus"); }, // abstract focusSearch: function () { focus(this.search); }, // abstract selectHighlighted: function (options) { if (this._touchMoved) { this.clearTouchMoved(); return; } var index=this.highlight(), highlighted=this.results.find(".wpml_select2-highlighted"), data = highlighted.closest('.wpml_select2-result').data("wpml_select2-data"); if (data) { this.highlight(index); this.onSelect(data, options); } else if (options && options.noFocus) { this.close(); } }, // abstract getPlaceholder: function () { var placeholderOption; return this.opts.element.attr("placeholder") || this.opts.element.attr("data-placeholder") || // jquery 1.4 compat this.opts.element.data("placeholder") || this.opts.placeholder || ((placeholderOption = this.getPlaceholderOption()) !== undefined ? placeholderOption.text() : undefined); }, // abstract getPlaceholderOption: function() { if (this.select) { var firstOption = this.select.children('option').first(); if (this.opts.placeholderOption !== undefined ) { //Determine the placeholder option based on the specified placeholderOption setting return (this.opts.placeholderOption === "first" && firstOption) || (typeof this.opts.placeholderOption === "function" && this.opts.placeholderOption(this.select)); } else if ($.trim(firstOption.text()) === "" && firstOption.val() === "") { //No explicit placeholder option specified, use the first if it's blank return firstOption; } } }, /** * Get the desired width for the container element. This is * derived first from option `width` passed to wpml_select2, then * the inline 'style' on the original element, and finally * falls back to the jQuery calculated element width. */ // abstract initContainerWidth: function () { function resolveContainerWidth() { var style, attrs, matches, i, l, attr; if (this.opts.width === "off") { return null; } else if (this.opts.width === "element"){ return this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px'; } else if (this.opts.width === "copy" || this.opts.width === "resolve") { // check if there is inline style on the element that contains width style = this.opts.element.attr('style'); if (typeof(style) === "string") { attrs = style.split(';'); for (i = 0, l = attrs.length; i < l; i = i + 1) { attr = attrs[i].replace(/\s/g, ''); matches = attr.match(/^width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/i); if (matches !== null && matches.length >= 1) return matches[1]; } } if (this.opts.width === "resolve") { // next check if css('width') can resolve a width that is percent based, this is sometimes possible // when attached to input type=hidden or elements hidden via css style = this.opts.element.css('width'); if (style.indexOf("%") > 0) return style; // finally, fallback on the calculated width of the element return (this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px'); } return null; } else if ($.isFunction(this.opts.width)) { return this.opts.width(); } else { return this.opts.width; } }; var width = resolveContainerWidth.call(this); if (width !== null) { this.container.css("width", width); } } }); SingleWpmlSelect2 = clazz(AbstractWpmlSelect2, { // single createContainer: function () { var container = $(document.createElement("div")).attr({ "class": "wpml_select2-container" }).html([ "<a href='javascript:void(0)' class='wpml_select2-choice' tabindex='-1'>", " <span class='wpml_select2-chosen'> </span><abbr class='wpml_select2-search-choice-close'></abbr>", " <span class='wpml_select2-arrow' role='presentation'><b role='presentation'></b></span>", "</a>", "<label for='' class='wpml_select2-offscreen'></label>", "<input class='wpml_select2-focusser wpml_select2-offscreen' type='text' aria-haspopup='true' role='button' />", "<div class='wpml_select2-drop wpml_select2-display-none'>", " <div class='wpml_select2-search'>", " <label for='' class='wpml_select2-offscreen'></label>", " <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='wpml_select2-input' role='combobox' aria-expanded='true'", " aria-autocomplete='list' />", " </div>", " <ul class='wpml_select2-results' role='listbox'>", " </ul>", "</div>"].join("")); return container; }, // single enableInterface: function() { if (this.parent.enableInterface.apply(this, arguments)) { this.focusser.prop("disabled", !this.isInterfaceEnabled()); } }, // single opening: function () { var el, range, len; if (this.opts.minimumResultsForSearch >= 0) { this.showSearch(true); } this.parent.opening.apply(this, arguments); if (this.showSearchInput !== false) { // IE appends focusser.val() at the end of field :/ so we manually insert it at the beginning using a range // all other browsers handle this just fine this.search.val(this.focusser.val()); } if (this.opts.shouldFocusInput(this)) { this.search.focus(); // move the cursor to the end after focussing, otherwise it will be at the beginning and // new text will appear *before* focusser.val() el = this.search.get(0); if (el.createTextRange) { range = el.createTextRange(); range.collapse(false); range.select(); } else if (el.setSelectionRange) { len = this.search.val().length; el.setSelectionRange(len, len); } } this.prefillNextSearchTerm(); this.focusser.prop("disabled", true).val(""); this.updateResults(true); this.opts.element.trigger($.Event("wpml_select2-open")); }, // single close: function () { if (!this.opened()) return; this.parent.close.apply(this, arguments); this.focusser.prop("disabled", false); if (this.opts.shouldFocusInput(this)) { this.focusser.focus(); } }, // single focus: function () { if (this.opened()) { this.close(); } else { this.focusser.prop("disabled", false); if (this.opts.shouldFocusInput(this)) { this.focusser.focus(); } } }, // single isFocused: function () { return this.container.hasClass("wpml_select2-container-active"); }, // single cancel: function () { this.parent.cancel.apply(this, arguments); this.focusser.prop("disabled", false); if (this.opts.shouldFocusInput(this)) { this.focusser.focus(); } }, // single destroy: function() { $("label[for='" + this.focusser.attr('id') + "']") .attr('for', this.opts.element.attr("id")); this.parent.destroy.apply(this, arguments); cleanupJQueryElements.call(this, "selection", "focusser" ); }, // single initContainer: function () { var selection, container = this.container, dropdown = this.dropdown, idSuffix = nextUid(), elementLabel; if (this.opts.minimumResultsForSearch < 0) { this.showSearch(false); } else { this.showSearch(true); } this.selection = selection = container.find(".wpml_select2-choice"); this.focusser = container.find(".wpml_select2-focusser"); // add aria associations selection.find(".wpml_select2-chosen").attr("id", "wpml_select2-chosen-"+idSuffix); this.focusser.attr("aria-labelledby", "wpml_select2-chosen-"+idSuffix); this.results.attr("id", "wpml_select2-results-"+idSuffix); this.search.attr("aria-owns", "wpml_select2-results-"+idSuffix); // rewrite labels from original element to focusser this.focusser.attr("id", "s2id_autogen"+idSuffix); elementLabel = $("label[for='" + this.opts.element.attr("id") + "']"); this.opts.element.on('focus.wpml_select2', this.bind(function () { this.focus(); })); this.focusser.prev() .text(elementLabel.text()) .attr('for', this.focusser.attr('id')); // Ensure the original element retains an accessible name var originalTitle = this.opts.element.attr("title"); this.opts.element.attr("title", (originalTitle || elementLabel.text())); this.focusser.attr("tabindex", this.elementTabIndex); // write label for search field using the label from the focusser element this.search.attr("id", this.focusser.attr('id') + '_search'); this.search.prev() .text($("label[for='" + this.focusser.attr('id') + "']").text()) .attr('for', this.search.attr('id')); this.search.on("keydown", this.bind(function (e) { if (!this.isInterfaceEnabled()) return; // filter 229 keyCodes (input method editor is processing key input) if (229 == e.keyCode) return; if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) { // prevent the page from scrolling killEvent(e); return; } switch (e.which) { case KEY.UP: case KEY.DOWN: this.moveHighlight((e.which === KEY.UP) ? -1 : 1); killEvent(e); return; case KEY.ENTER: this.selectHighlighted(); killEvent(e); return; case KEY.TAB: this.selectHighlighted({noFocus: true}); return; case KEY.ESC: this.cancel(e); killEvent(e); return; } })); this.search.on("blur", this.bind(function(e) { // a workaround for chrome to keep the search field focussed when the scroll bar is used to scroll the dropdown. // without this the search field loses focus which is annoying if (document.activeElement === this.body.get(0)) { window.setTimeout(this.bind(function() { if (this.opened() && this.results && this.results.length > 1) { this.search.focus(); } }), 0); } })); this.focusser.on("keydown", this.bind(function (e) { if (!this.isInterfaceEnabled()) return; if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) { return; } if (this.opts.openOnEnter === false && e.which === KEY.ENTER) { killEvent(e); return; } if (e.which == KEY.DOWN || e.which == KEY.UP || (e.which == KEY.ENTER && this.opts.openOnEnter)) { if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) return; this.open(); killEvent(e); return; } if (e.which == KEY.DELETE || e.which == KEY.BACKSPACE) { if (this.opts.allowClear) { this.clear(); } killEvent(e); return; } })); installKeyUpChangeEvent(this.focusser); this.focusser.on("keyup-change input", this.bind(function(e) { if (this.opts.minimumResultsForSearch >= 0) { e.stopPropagation(); if (this.opened()) return; this.open(); } })); selection.on("mousedown touchstart", "abbr", this.bind(function (e) { if (!this.isInterfaceEnabled()) { return; } this.clear(); killEventImmediately(e); this.close(); if (this.selection) { this.selection.focus(); } })); selection.on("mousedown touchstart", this.bind(function (e) { // Prevent IE from generating a click event on the body reinsertElement(selection); if (!this.container.hasClass("wpml_select2-container-active")) { this.opts.element.trigger($.Event("wpml_select2-focus")); } if (this.opened()) { this.close(); } else if (this.isInterfaceEnabled()) { this.open(); } killEvent(e); })); dropdown.on("mousedown touchstart", this.bind(function() { if (this.opts.shouldFocusInput(this)) { this.search.focus(); } })); selection.on("focus", this.bind(function(e) { killEvent(e); })); this.focusser.on("focus", this.bind(function(){ if (!this.container.hasClass("wpml_select2-container-active")) { this.opts.element.trigger($.Event("wpml_select2-focus")); } this.container.addClass("wpml_select2-container-active"); })).on("blur", this.bind(function() { if (!this.opened()) { this.container.removeClass("wpml_select2-container-active"); this.opts.element.trigger($.Event("wpml_select2-blur")); } })); this.search.on("focus", this.bind(function(){ if (!this.container.hasClass("wpml_select2-container-active")) { this.opts.element.trigger($.Event("wpml_select2-focus")); } this.container.addClass("wpml_select2-container-active"); })); this.initContainerWidth(); this.opts.element.hide(); this.setPlaceholder(); }, // single clear: function(triggerChange) { var data=this.selection.data("wpml_select2-data"); if (data) { // guard against queued quick consecutive clicks var evt = $.Event("wpml_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(".wpml_select2-chosen").empty(); this.selection.removeData("wpml_select2-data"); this.setPlaceholder(); if (triggerChange !== false){ this.opts.element.trigger({ type: "wpml_select2-removed", val: this.id(data), choice: data }); this.triggerChange({removed:data}); } } }, /** * Sets selection based on source element's value */ // single initSelection: function () { var selected; if (this.isPlaceholderOptionSelected()) { this.updateSelection(null); this.close(); this.setPlaceholder(); } else { var self = this; this.opts.initSelection.call(null, this.opts.element, function(selected){ if (selected !== undefined && selected !== null) { self.updateSelection(selected); self.close(); self.setPlaceholder(); self.lastSearchTerm = self.search.val(); } }); } }, isPlaceholderOptionSelected: function() { var placeholderOption; if (this.getPlaceholder() === undefined) return false; // no placeholder specified so no option should be considered return ((placeholderOption = this.getPlaceholderOption()) !== undefined && placeholderOption.prop("selected")) || (this.opts.element.val() === "") || (this.opts.element.val() === undefined) || (this.opts.element.val() === null); }, // single prepareOpts: function () { var opts = this.parent.prepareOpts.apply(this, arguments), self=this; if (opts.element.get(0).tagName.toLowerCase() === "select") { // install the selection initializer opts.initSelection = function (element, callback) { var selected = element.find("option").filter(function() { return this.selected && !this.disabled }); // a single select box always has a value, no need to null check 'selected' callback(self.optionToData(selected)); }; } else if ("data" in opts) { // install default initSelection when applied to hidden input and data is local opts.initSelection = opts.initSelection || function (element, callback) { var id = element.val(); //search in data by id, storing the actual matching item var match = null; opts.query({ matcher: function(term, text, el){ var is_match = equal(id, opts.id(el)); if (is_match) { match = el; } return is_match; }, callback: !$.isFunction(callback) ? $.noop : function() { callback(match); } }); }; } return opts; }, // single getPlaceholder: function() { // if a placeholder is specified on a single select without a valid placeholder option ignore it if (this.select) { if (this.getPlaceholderOption() === undefined) { return undefined; } } return this.parent.getPlaceholder.apply(this, arguments); }, // single setPlaceholder: function () { var placeholder = this.getPlaceholder(); if (this.isPlaceholderOptionSelected() && placeholder !== undefined) { // check for a placeholder option if attached to a select if (this.select && this.getPlaceholderOption() === undefined) return; this.selection.find(".wpml_select2-chosen").html(this.opts.escapeMarkup(placeholder)); this.selection.addClass("wpml_select2-default"); this.container.removeClass("wpml_select2-allowclear"); } }, // single postprocessResults: function (data, initial, noHighlightUpdate) { var selected = 0, self = this, showSearchInput = true; // find the selected element in the result list this.findHighlightableChoices().each2(function (i, elm) { if (equal(self.id(elm.data("wpml_select2-data")), self.opts.element.val())) { selected = i; return false; } }); // and highlight it if (noHighlightUpdate !== false) { if (initial === true && selected >= 0) { this.highlight(selected); } else { this.highlight(0); } } // hide the search box if this is the first we got the results and there are enough of them for search if (initial === true) { var min = this.opts.minimumResultsForSearch; if (min >= 0) { this.showSearch(countResults(data.results) >= min); } } }, // single showSearch: function(showSearchInput) { if (this.showSearchInput === showSearchInput) return; this.showSearchInput = showSearchInput; this.dropdown.find(".wpml_select2-search").toggleClass("wpml_select2-search-hidden", !showSearchInput); this.dropdown.find(".wpml_select2-search").toggleClass("wpml_select2-offscreen", !showSearchInput); //add "wpml_select2-with-searchbox" to the container if search box is shown $(this.dropdown, this.container).toggleClass("wpml_select2-with-searchbox", showSearchInput); }, // single onSelect: function (data, options) { if (!this.triggerSelect(data)) { return; } var old = this.opts.element.val(), oldData = this.data(); this.opts.element.val(this.id(data)); this.updateSelection(data); this.opts.element.trigger({ type: "wpml_select2-selected", val: this.id(data), choice: data }); this.lastSearchTerm = this.search.val(); this.close(); if ((!options || !options.noFocus) && this.opts.shouldFocusInput(this)) { this.focusser.focus(); } if (!equal(old, this.id(data))) { this.triggerChange({ added: data, removed: oldData }); } }, // single updateSelection: function (data) { var container=this.selection.find(".wpml_select2-chosen"), formatted, cssClass; this.selection.data("wpml_select2-data", data); container.empty(); if (data !== null) { formatted=this.opts.formatSelection(data, container, this.opts.escapeMarkup); } if (formatted !== undefined) { container.append(formatted); } cssClass=this.opts.formatSelectionCssClass(data, container); if (cssClass !== undefined) { container.addClass(cssClass); } this.selection.removeClass("wpml_select2-default"); if (this.opts.allowClear && this.getPlaceholder() !== undefined) { this.container.addClass("wpml_select2-allowclear"); } }, // single val: function () { var val, triggerChange = false, data = null, self = this, oldData = this.data(); if (arguments.length === 0) { return this.opts.element.val(); } val = arguments[0]; if (arguments.length > 1) { triggerChange = arguments[1]; if (this.opts.debug && console && console.warn) { console.warn( 'WpmlSelect2: The second option to `wpml_select2("val")` is not supported in WpmlSelect2 4.0.0. ' + 'The `change` event will always be triggered in 4.0.0.' ); } } if (this.select) { if (this.opts.debug && console && console.warn) { console.warn( 'WpmlSelect2: Setting the value on a <select> using `wpml_select2("val")` is no longer supported in 4.0.0. ' + 'You can use the `.val(newValue).trigger("change")` method provided by jQuery instead.' ); } this.select .val(val) .find("option").filter(function() { return this.selected }).each2(function (i, elm) { data = self.optionToData(elm); return false; }); this.updateSelection(data); this.setPlaceholder(); if (triggerChange) { this.triggerChange({added: data, removed:oldData}); } } else { // val is an id. !val is true for [undefined,null,'',0] - 0 is legal if (!val && val !== 0) { this.clear(triggerChange); return; } if (this.opts.initSelection === undefined) { throw new Error("cannot call val() if initSelection() is not defined"); } this.opts.element.val(val); this.opts.initSelection(this.opts.element, function(data){ self.opts.element.val(!data ? "" : self.id(data)); self.updateSelection(data); self.setPlaceholder(); if (triggerChange) { self.triggerChange({added: data, removed:oldData}); } }); } }, // single clearSearch: function () { this.search.val(""); this.focusser.val(""); }, // single data: function(value) { var data, triggerChange = false; if (arguments.length === 0) { data = this.selection.data("wpml_select2-data"); if (data == undefined) data = null; return data; } else { if (this.opts.debug && console && console.warn) { console.warn( 'WpmlSelect2: The `wpml_select2("data")` method can no longer set selected values in 4.0.0, ' + 'consider using the `.val()` method instead.' ); } if (arguments.length > 1) { triggerChange = arguments[1]; } if (!value) { this.clear(triggerChange); } else { data = this.data(); this.opts.element.val(!value ? "" : this.id(value)); this.updateSelection(value); if (triggerChange) { this.triggerChange({added: value, removed:data}); } } } } }); MultiWpmlSelect2 = clazz(AbstractWpmlSelect2, { // multi createContainer: function () { var container = $(document.createElement("div")).attr({ "class": "wpml_select2-container wpml_select2-container-multi" }).html([ "<ul class='wpml_select2-choices'>", " <li class='wpml_select2-search-field'>", " <label for='' class='wpml_select2-offscreen'></label>", " <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='wpml_select2-input'>", " </li>", "</ul>", "<div class='wpml_select2-drop wpml_select2-drop-multi wpml_select2-display-none'>", " <ul class='wpml_select2-results'>", " </ul>", "</div>"].join("")); return container; }, // multi prepareOpts: function () { var opts = this.parent.prepareOpts.apply(this, arguments), self=this; // TODO validate placeholder is a string if specified if (opts.element.get(0).tagName.toLowerCase() === "select") { // install the selection initializer opts.initSelection = function (element, callback) { var data = []; element.find("option").filter(function() { return this.selected && !this.disabled }).each2(function (i, elm) { data.push(self.optionToData(elm)); }); callback(data); }; } else if ("data" in opts) { // install default initSelection when applied to hidden input and data is local opts.initSelection = opts.initSelection || function (element, callback) { var ids = splitVal(element.val(), opts.separator, opts.transformVal); //search in data by array of ids, storing matching items in a list var matches = []; opts.query({ matcher: function(term, text, el){ var is_match = $.grep(ids, function(id) { return equal(id, opts.id(el)); }).length; if (is_match) { matches.push(el); } return is_match; }, callback: !$.isFunction(callback) ? $.noop : function() { // reorder matches based on the order they appear in the ids array because right now // they are in the order in which they appear in data array var ordered = []; for (var i = 0; i < ids.length; i++) { var id = ids[i]; for (var j = 0; j < matches.length; j++) { var match = matches[j]; if (equal(id, opts.id(match))) { ordered.push(match); matches.splice(j, 1); break; } } } callback(ordered); } }); }; } return opts; }, // multi selectChoice: function (choice) { var selected = this.container.find(".wpml_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("wpml_select2-search-choice-focus"); if (choice && choice.length) { this.close(); choice.addClass("wpml_select2-search-choice-focus"); this.opts.element.trigger("choice-selected", choice); } } }, // multi destroy: function() { $("label[for='" + this.search.attr('id') + "']") .attr('for', this.opts.element.attr("id")); this.parent.destroy.apply(this, arguments); cleanupJQueryElements.call(this, "searchContainer", "selection" ); }, // multi initContainer: function () { var selector = ".wpml_select2-choices", selection; this.searchContainer = this.container.find(".wpml_select2-search-field"); this.selection = selection = this.container.find(selector); var _this = this; this.selection.on("click", ".wpml_select2-container:not(.wpml_select2-container-disabled) .wpml_select2-search-choice:not(.wpml_select2-locked)", function (e) { _this.search[0].focus(); _this.selectChoice($(this)); }); // rewrite labels from original element to focusser this.search.attr("id", "s2id_autogen"+nextUid()); this.search.prev() .text($("label[for='" + this.opts.element.attr("id") + "']").text()) .attr('for', this.search.attr('id')); this.opts.element.on('focus.wpml_select2', this.bind(function () { this.focus(); })); this.search.on("input paste", this.bind(function() { if (this.search.attr('placeholder') && this.search.val().length == 0) return; if (!this.isInterfaceEnabled()) return; if (!this.opened()) { this.open(); } })); this.search.attr("tabindex", this.elementTabIndex); this.keydowns = 0; this.search.on("keydown", this.bind(function (e) { if (!this.isInterfaceEnabled()) return; ++this.keydowns; var selected = selection.find(".wpml_select2-search-choice-focus"); var prev = selected.prev(".wpml_select2-search-choice:not(.wpml_select2-locked)"); var next = selected.next(".wpml_select2-search-choice:not(.wpml_select2-locked)"); var pos = getCursorInfo(this.search); if (selected.length && (e.which == KEY.LEFT || e.which == KEY.RIGHT || e.which == KEY.BACKSPACE || e.which == KEY.DELETE || e.which == KEY.ENTER)) { var selectedChoice = selected; if (e.which == KEY.LEFT && prev.length) { selectedChoice = prev; } else if (e.which == KEY.RIGHT) { selectedChoice = next.length ? next : null; } else if (e.which === KEY.BACKSPACE) { if (this.unselect(selected.first())) { this.search.width(10); selectedChoice = prev.length ? prev : next; } } else if (e.which == KEY.DELETE) { if (this.unselect(selected.first())) { this.search.width(10); selectedChoice = next.length ? next : null; } } else if (e.which == KEY.ENTER) { selectedChoice = null; } this.selectChoice(selectedChoice); killEvent(e); if (!selectedChoice || !selectedChoice.length) { this.open(); } return; } else if (((e.which === KEY.BACKSPACE && this.keydowns == 1) || e.which == KEY.LEFT) && (pos.offset == 0 && !pos.length)) { this.selectChoice(selection.find(".wpml_select2-search-choice:not(.wpml_select2-locked)").last()); killEvent(e); return; } else { this.selectChoice(null); } if (this.opened()) { switch (e.which) { case KEY.UP: case KEY.DOWN: this.moveHighlight((e.which === KEY.UP) ? -1 : 1); killEvent(e); return; case KEY.ENTER: this.selectHighlighted(); killEvent(e); return; case KEY.TAB: this.selectHighlighted({noFocus:true}); this.close(); return; case KEY.ESC: this.cancel(e); killEvent(e); return; } } if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.BACKSPACE || e.which === KEY.ESC) { return; } if (e.which === KEY.ENTER) { if (this.opts.openOnEnter === false) { return; } else if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) { return; } } this.open(); if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) { // prevent the page from scrolling killEvent(e); } if (e.which === KEY.ENTER) { // prevent form from being submitted killEvent(e); } })); this.search.on("keyup", this.bind(function (e) { this.keydowns = 0; this.resizeSearch(); }) ); this.search.on("blur", this.bind(function(e) { this.container.removeClass("wpml_select2-container-active"); this.search.removeClass("wpml_select2-focused"); this.selectChoice(null); if (!this.opened()) this.clearSearch(); e.stopImmediatePropagation(); this.opts.element.trigger($.Event("wpml_select2-blur")); })); this.container.on("click", selector, this.bind(function (e) { if (!this.isInterfaceEnabled()) return; if ($(e.target).closest(".wpml_select2-search-choice").length > 0) { // clicked inside a wpml_select2 search choice, do not open return; } this.selectChoice(null); this.clearPlaceholder(); if (!this.container.hasClass("wpml_select2-container-active")) { this.opts.element.trigger($.Event("wpml_select2-focus")); } this.open(); this.focusSearch(); e.preventDefault(); })); this.container.on("focus", selector, this.bind(function () { if (!this.isInterfaceEnabled()) return; if (!this.container.hasClass("wpml_select2-container-active")) { this.opts.element.trigger($.Event("wpml_select2-focus")); } this.container.addClass("wpml_select2-container-active"); this.dropdown.addClass("wpml_select2-drop-active"); this.clearPlaceholder(); })); this.initContainerWidth(); this.opts.element.hide(); // set the placeholder if necessary this.clearSearch(); }, // multi enableInterface: function() { if (this.parent.enableInterface.apply(this, arguments)) { this.search.prop("disabled", !this.isInterfaceEnabled()); } }, // multi initSelection: function () { var data; if (this.opts.element.val() === "" && this.opts.element.text() === "") { this.updateSelection([]); this.close(); // set the placeholder if necessary this.clearSearch(); } if (this.select || this.opts.element.val() !== "") { var self = this; this.opts.initSelection.call(null, this.opts.element, function(data){ if (data !== undefined && data !== null) { self.updateSelection(data); self.close(); // set the placeholder if necessary self.clearSearch(); } }); } }, // multi clearSearch: function () { var placeholder = this.getPlaceholder(), maxWidth = this.getMaxSearchWidth(); if (placeholder !== undefined && this.getVal().length === 0 && this.search.hasClass("wpml_select2-focused") === false) { this.search.val(placeholder).addClass("wpml_select2-default"); // stretch the search box to full width of the container so as much of the placeholder is visible as possible // we could call this.resizeSearch(), but we do not because that requires a sizer and we do not want to create one so early because of a firefox bug, see #944 this.search.width(maxWidth > 0 ? maxWidth : this.container.css("width")); } else { this.search.val("").width(10); } }, // multi clearPlaceholder: function () { if (this.search.hasClass("wpml_select2-default")) { this.search.val("").removeClass("wpml_select2-default"); } }, // multi opening: function () { this.clearPlaceholder(); // should be done before super so placeholder is not used to search this.resizeSearch(); this.parent.opening.apply(this, arguments); this.focusSearch(); this.prefillNextSearchTerm(); this.updateResults(true); if (this.opts.shouldFocusInput(this)) { this.search.focus(); } this.opts.element.trigger($.Event("wpml_select2-open")); }, // multi close: function () { if (!this.opened()) return; this.parent.close.apply(this, arguments); }, // multi focus: function () { this.close(); this.search.focus(); }, // multi isFocused: function () { return this.search.hasClass("wpml_select2-focused"); }, // multi updateSelection: function (data) { var ids = {}, filtered = [], self = this; // filter out duplicates $(data).each(function () { if (!(self.id(this) in ids)) { ids[self.id(this)] = 0; filtered.push(this); } }); this.selection.find(".wpml_select2-search-choice").remove(); this.addSelectedChoice(filtered); self.postprocessResults(); }, // multi tokenize: function() { var input = this.search.val(); input = this.opts.tokenizer.call(this, input, this.data(), this.bind(this.onSelect), this.opts); if (input != null && input != undefined) { this.search.val(input); if (input.length > 0) { this.open(); } } }, // multi onSelect: function (data, options) { if (!this.triggerSelect(data) || data.text === "") { return; } this.addSelectedChoice(data); this.opts.element.trigger({ type: "selected", val: this.id(data), choice: data }); // keep track of the search's value before it gets cleared this.lastSearchTerm = this.search.val(); this.clearSearch(); this.updateResults(); if (this.select || !this.opts.closeOnSelect) this.postprocessResults(data, false, this.opts.closeOnSelect===true); if (this.opts.closeOnSelect) { this.close(); this.search.width(10); } else { if (this.countSelectableResults()>0) { this.search.width(10); this.resizeSearch(); if (this.getMaximumSelectionSize() > 0 && this.val().length >= this.getMaximumSelectionSize()) { // if we reached max selection size repaint the results so choices // are replaced with the max selection reached message this.updateResults(true); } else { // initializes search's value with nextSearchTerm and update search result if (this.prefillNextSearchTerm()) { this.updateResults(); } } this.positionDropdown(); } else { // if nothing left to select close this.close(); this.search.width(10); } } // since its not possible to select an element that has already been // added we do not need to check if this is a new element before firing change this.triggerChange({ added: data }); if (!options || !options.noFocus) this.focusSearch(); }, // multi cancel: function () { this.close(); this.focusSearch(); }, addSelectedChoice: function (data) { var val = this.getVal(), self = this; $(data).each(function () { val.push(self.createChoice(this)); }); this.setVal(val); }, createChoice: function (data) { var enableChoice = !data.locked, enabledItem = $( "<li class='wpml_select2-search-choice'>" + " <div></div>" + " <a href='#' class='wpml_select2-search-choice-close' tabindex='-1'></a>" + "</li>"), disabledItem = $( "<li class='wpml_select2-search-choice wpml_select2-locked'>" + "<div></div>" + "</li>"); var choice = enableChoice ? enabledItem : disabledItem, id = this.id(data), formatted, cssClass; formatted=this.opts.formatSelection(data, choice.find("div"), this.opts.escapeMarkup); if (formatted != undefined) { choice.find("div").replaceWith($("<div></div>").html(formatted)); } cssClass=this.opts.formatSelectionCssClass(data, choice.find("div")); if (cssClass != undefined) { choice.addClass(cssClass); } if(enableChoice){ choice.find(".wpml_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(".wpml_select2-search-choice-focus").removeClass("wpml_select2-search-choice-focus"); killEvent(e); this.close(); this.focusSearch(); })).on("focus", this.bind(function () { if (!this.isInterfaceEnabled()) return; this.container.addClass("wpml_select2-container-active"); this.dropdown.addClass("wpml_select2-drop-active"); })); } choice.data("wpml_select2-data", data); choice.insertBefore(this.searchContainer); return id; }, // multi unselect: function (selected) { var val = this.getVal(), data, index; selected = selected.closest(".wpml_select2-search-choice"); if (selected.length === 0) { throw "Invalid argument: " + selected + ". Must be .wpml_select2-search-choice"; } data = selected.data("wpml_select2-data"); if (!data) { // prevent a race condition when the 'x' is clicked really fast repeatedly the event can be queued // and invoked on an element already removed return; } var evt = $.Event("wpml_select2-removing"); evt.val = this.id(data); evt.choice = data; this.opts.element.trigger(evt); if (evt.isDefaultPrevented()) { return false; } while((index = indexOf(this.id(data), val)) >= 0) { val.splice(index, 1); this.setVal(val); if (this.select) this.postprocessResults(); } selected.remove(); this.opts.element.trigger({ type: "wpml_select2-removed", val: this.id(data), choice: data }); this.triggerChange({ removed: data }); return true; }, // multi postprocessResults: function (data, initial, noHighlightUpdate) { var val = this.getVal(), choices = this.results.find(".wpml_select2-result"), compound = this.results.find(".wpml_select2-result-with-children"), self = this; choices.each2(function (i, choice) { var id = self.id(choice.data("wpml_select2-data")); if (indexOf(id, val) >= 0) { choice.addClass("wpml_select2-selected"); // mark all children of the selected parent as selected choice.find(".wpml_select2-result-selectable").addClass("wpml_select2-selected"); } }); compound.each2(function(i, choice) { // hide an optgroup if it doesn't have any selectable children if (!choice.is('.wpml_select2-result-selectable') && choice.find(".wpml_select2-result-selectable:not(.wpml_select2-selected)").length === 0) { choice.addClass("wpml_select2-selected"); } }); if (this.highlight() == -1 && noHighlightUpdate !== false && this.opts.closeOnSelect === true){ self.highlight(0); } //If all results are chosen render formatNoMatches if(!this.opts.createSearchChoice && !choices.filter('.wpml_select2-result:not(.wpml_select2-selected)').length > 0){ if(!data || data && !data.more && this.results.find(".wpml_select2-no-results").length === 0) { if (checkFormatter(self.opts.formatNoMatches, "formatNoMatches")) { this.results.append("<li class='wpml_select2-no-results'>" + evaluate(self.opts.formatNoMatches, self.opts.element, self.search.val()) + "</li>"); } } } }, // multi getMaxSearchWidth: function() { return this.selection.width() - getSideBorderPadding(this.search); }, // multi resizeSearch: function () { var minimumWidth, left, maxWidth, containerLeft, searchWidth, sideBorderPadding = getSideBorderPadding(this.search); minimumWidth = measureTextWidth(this.search) + 10; left = this.search.offset().left; maxWidth = this.selection.width(); containerLeft = this.selection.offset().left; searchWidth = maxWidth - (left - containerLeft) - sideBorderPadding; if (searchWidth < minimumWidth) { searchWidth = maxWidth - sideBorderPadding; } if (searchWidth < 40) { searchWidth = maxWidth - sideBorderPadding; } if (searchWidth <= 0) { searchWidth = minimumWidth; } this.search.width(Math.floor(searchWidth)); }, // multi getVal: function () { var val; if (this.select) { val = this.select.val(); return val === null ? [] : val; } else { val = this.opts.element.val(); return splitVal(val, this.opts.separator, this.opts.transformVal); } }, // multi setVal: function (val) { if (this.select) { this.select.val(val); } else { var unique = [], valMap = {}; // filter out duplicates $(val).each(function () { if (!(this in valMap)) { unique.push(this); valMap[this] = 0; } }); this.opts.element.val(unique.length === 0 ? "" : unique.join(this.opts.separator)); } }, // multi buildChangeDetails: function (old, current) { var current = current.slice(0), old = old.slice(0); // remove intersection from each array for (var i = 0; i < current.length; i++) { for (var j = 0; j < old.length; j++) { if (equal(this.opts.id(current[i]), this.opts.id(old[j]))) { current.splice(i, 1); i--; old.splice(j, 1); break; } } } return {added: current, removed: old}; }, // multi val: function (val, triggerChange) { var oldData, self=this; if (arguments.length === 0) { return this.getVal(); } oldData=this.data(); if (!oldData.length) oldData=[]; // val is an id. !val is true for [undefined,null,'',0] - 0 is legal if (!val && val !== 0) { this.opts.element.val(""); this.updateSelection([]); this.clearSearch(); if (triggerChange) { this.triggerChange({added: this.data(), removed: oldData}); } return; } // val is a list of ids this.setVal(val); if (this.select) { this.opts.initSelection(this.select, this.bind(this.updateSelection)); if (triggerChange) { this.triggerChange(this.buildChangeDetails(oldData, this.data())); } } else { if (this.opts.initSelection === undefined) { throw new Error("val() cannot be called if initSelection() is not defined"); } this.opts.initSelection(this.opts.element, function(data){ var ids=$.map(data, self.id); self.setVal(ids); self.updateSelection(data); self.clearSearch(); if (triggerChange) { self.triggerChange(self.buildChangeDetails(oldData, self.data())); } }); } this.clearSearch(); }, // multi onSortStart: function() { if (this.select) { throw new Error("Sorting of elements is not supported when attached to <select>. Attach to <input type='hidden'/> instead."); } // collapse search field into 0 width so its container can be collapsed as well this.search.width(0); // hide the container this.searchContainer.hide(); }, // multi onSortEnd:function() { var val=[], self=this; // show search and move it to the end of the list this.searchContainer.show(); // make sure the search container is the last item in the list this.searchContainer.appendTo(this.searchContainer.parent()); // since we collapsed the width in dragStarted, we resize it here this.resizeSearch(); // update selection this.selection.find(".wpml_select2-search-choice").each(function() { val.push(self.opts.id($(this).data("wpml_select2-data"))); }); this.setVal(val); this.triggerChange(); }, // multi data: function(values, triggerChange) { var self=this, ids, old; if (arguments.length === 0) { return this.selection .children(".wpml_select2-search-choice") .map(function() { return $(this).data("wpml_select2-data"); }) .get(); } else { old = this.data(); if (!values) { values = []; } ids = $.map(values, function(e) { return self.opts.id(e); }); this.setVal(ids); this.updateSelection(values); this.clearSearch(); if (triggerChange) { this.triggerChange(this.buildChangeDetails(old, this.data())); } } } }); $.fn.wpml_select2 = function () { var args = Array.prototype.slice.call(arguments, 0), opts, wpml_select2, method, value, multiple, allowedMethods = ["val", "destroy", "opened", "open", "close", "focus", "isFocused", "container", "dropdown", "onSortStart", "onSortEnd", "enable", "disable", "readonly", "positionDropdown", "data", "search"], valueMethods = ["opened", "isFocused", "container", "dropdown"], propertyMethods = ["val", "data"], methodsMap = { search: "externalSearch" }; this.each(function () { if (args.length === 0 || typeof(args[0]) === "object") { opts = args.length === 0 ? {} : $.extend({}, args[0]); opts.element = $(this); if (opts.element.get(0).tagName.toLowerCase() === "select") { multiple = opts.element.prop("multiple"); } else { multiple = opts.multiple || false; if ("tags" in opts) {opts.multiple = multiple = true;} } wpml_select2 = multiple ? new window.WpmlSelect2["class"].multi() : new window.WpmlSelect2["class"].single(); wpml_select2.init(opts); } else if (typeof(args[0]) === "string") { if (indexOf(args[0], allowedMethods) < 0) { throw "Unknown method: " + args[0]; } value = undefined; wpml_select2 = $(this).data("wpml_select2"); if (wpml_select2 === undefined) return; method=args[0]; if (method === "container") { value = wpml_select2.container; } else if (method === "dropdown") { value = wpml_select2.dropdown; } else { if (methodsMap[method]) method = methodsMap[method]; value = wpml_select2[method].apply(wpml_select2, args.slice(1)); } if (indexOf(args[0], valueMethods) >= 0 || (indexOf(args[0], propertyMethods) >= 0 && args.length == 1)) { return false; // abort the iteration, ready to return first matched value } } else { throw "Invalid arguments to wpml_select2 plugin: " + args; } }); return (value === undefined) ? this : value; }; // plugin defaults, accessible to users $.fn.wpml_select2.defaults = { debug: false, width: "copy", loadMorePadding: 0, closeOnSelect: true, openOnEnter: true, containerCss: {}, dropdownCss: {}, containerCssClass: "", dropdownCssClass: "", formatResult: function(result, container, query, escapeMarkup) { var markup=[]; markMatch(this.text(result), query.term, markup, escapeMarkup); return markup.join(""); }, transformVal: function(val) { return $.trim(val); }, formatSelection: function (data, container, escapeMarkup) { return data ? escapeMarkup(this.text(data)) : undefined; }, sortResults: function (results, container, query) { return results; }, formatResultCssClass: function(data) {return data.css;}, formatSelectionCssClass: function(data, container) {return undefined;}, minimumResultsForSearch: 0, minimumInputLength: 0, maximumInputLength: null, maximumSelectionSize: 0, id: function (e) { return e == undefined ? null : e.id; }, text: function (e) { if (e && this.data && this.data.text) { if ($.isFunction(this.data.text)) { return this.data.text(e); } else { return e[this.data.text]; } } else { return e.text; } }, matcher: function(term, text) { return stripDiacritics(''+text).toUpperCase().indexOf(stripDiacritics(''+term).toUpperCase()) >= 0; }, separator: ",", tokenSeparators: [], tokenizer: defaultTokenizer, escapeMarkup: defaultEscapeMarkup, blurOnChange: false, selectOnBlur: false, adaptContainerCssClass: function(c) { return c; }, adaptDropdownCssClass: function(c) { return null; }, nextSearchTerm: function(selectedObject, currentSearchTerm) { return undefined; }, searchInputPlaceholder: '', createSearchChoicePosition: 'top', shouldFocusInput: function (instance) { // Attempt to detect touch devices var supportsTouchEvents = (('ontouchstart' in window) || (navigator.msMaxTouchPoints > 0)); // Only devices which support touch events should be special cased if (!supportsTouchEvents) { return true; } // Never focus the input if search is disabled if (instance.opts.minimumResultsForSearch < 0) { return false; } return true; } }; $.fn.wpml_select2.locales = []; $.fn.wpml_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.wpml_select2.defaults, $.fn.wpml_select2.locales['en']); $.fn.wpml_select2.ajaxDefaults = { transport: $.ajax, params: { type: "GET", cache: false, dataType: "json" } }; // exports window.WpmlSelect2 = { query: { ajax: ajax, local: local, tags: tags }, util: { debounce: debounce, markMatch: markMatch, escapeMarkup: defaultEscapeMarkup, stripDiacritics: stripDiacritics }, "class": { "abstract": AbstractWpmlSelect2, "single": SingleWpmlSelect2, "multi": MultiWpmlSelect2 } }; }(jQuery));
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