}
module.exports = autosize;
-});
\ No newline at end of file
+});/*! Snap.js v2.0.0-rc1 */
+(function(win, doc) {
+
+ 'use strict';
+
+ // Our export
+ var Namespace = 'Snap';
+
+ // Our main toolbelt
+ var utils = {
+
+ /**
+ * Deeply extends two objects
+ * @param {Object} destination The destination object
+ * @param {Object} source The custom options to extend destination by
+ * @return {Object} The desination object
+ */
+ extend: function(destination, source) {
+ var property;
+ for (property in source) {
+ if (source[property] && source[property].constructor && source[property].constructor === Object) {
+ destination[property] = destination[property] || {};
+ utils.extend(destination[property], source[property]);
+ } else {
+ destination[property] = source[property];
+ }
+ }
+ return destination;
+ }
+ };
+
+ /**
+ * Our Snap global that initializes our instance
+ * @param {Object} opts The custom Snap.js options
+ */
+ var Core = function( opts ) {
+
+ var self = this;
+
+ /**
+ * Our default settings for a Snap instance
+ * @type {Object}
+ */
+ var settings = self.settings = {
+ element: null,
+ dragger: null,
+ disable: 'none',
+ addBodyClasses: true,
+ hyperextensible: true,
+ resistance: 0.5,
+ flickThreshold: 50,
+ transitionSpeed: 0.3,
+ easing: 'ease',
+ maxPosition: 266,
+ minPosition: -266,
+ tapToClose: true,
+ touchToDrag: true,
+ clickToDrag: true,
+ slideIntent: 40, // degrees
+ minDragDistance: 5
+ };
+
+ /**
+ * Stores internally global data
+ * @type {Object}
+ */
+ var cache = self.cache = {
+ isDragging: false,
+ simpleStates: {
+ opening: null,
+ towards: null,
+ hyperExtending: null,
+ halfway: null,
+ flick: null,
+ translation: {
+ absolute: 0,
+ relative: 0,
+ sinceDirectionChange: 0,
+ percentage: 0
+ }
+ }
+ };
+
+ var eventList = self.eventList = {};
+
+ utils.extend(utils, {
+
+ /**
+ * Determines if we are interacting with a touch device
+ * @type {Boolean}
+ */
+ hasTouch: ('ontouchstart' in doc.documentElement || win.navigator.msPointerEnabled),
+
+ /**
+ * Returns the appropriate event type based on whether we are a touch device or not
+ * @param {String} action The "action" event you're looking for: up, down, move, out
+ * @return {String} The browsers supported event name
+ */
+ eventType: function(action) {
+ var eventTypes = {
+ down: (utils.hasTouch ? 'touchstart' : settings.clickToDrag ? 'mousedown' : ''),
+ move: (utils.hasTouch ? 'touchmove' : settings.clickToDrag ? 'mousemove' : ''),
+ up: (utils.hasTouch ? 'touchend' : settings.clickToDrag ? 'mouseup': ''),
+ out: (utils.hasTouch ? 'touchcancel' : settings.clickToDrag ? 'mouseout' : '')
+ };
+ return eventTypes[action];
+ },
+
+ /**
+ * Returns the correct "cursor" position on both browser and mobile
+ * @param {String} t The coordinate to retrieve, either "X" or "Y"
+ * @param {Object} e The event object being triggered
+ * @return {Number} The desired coordiante for the events interaction
+ */
+ page: function(t, e){
+ return (utils.hasTouch && e.touches.length && e.touches[0]) ? e.touches[0]['page'+t] : e['page'+t];
+ },
+
+
+ klass: {
+
+ /**
+ * Checks if an element has a class name
+ * @param {Object} el The element to check
+ * @param {String} name The class name to search for
+ * @return {Boolean} Returns true if the class exists
+ */
+ has: function(el, name){
+ return (el.className).indexOf(name) !== -1;
+ },
+
+ /**
+ * Adds a class name to an element
+ * @param {Object} el The element to add to
+ * @param {String} name The class name to add
+ */
+ add: function(el, name){
+ if(!utils.klass.has(el, name) && settings.addBodyClasses){
+ el.className += " "+name;
+ }
+ },
+
+ /**
+ * Removes a class name
+ * @param {Object} el The element to remove from
+ * @param {String} name The class name to remove
+ */
+ remove: function(el, name){
+ if(utils.klass.has(el, name) && settings.addBodyClasses){
+ el.className = (el.className).replace(name, "").replace(/^\s+|\s+$/g, '');
+ }
+ }
+ },
+
+ /**
+ * Dispatch a custom Snap.js event
+ * @param {String} type The event name
+ */
+ dispatchEvent: function(type) {
+ if( typeof eventList[type] === 'function') {
+ return eventList[type].apply();
+ }
+ },
+
+ /**
+ * Determines the browsers vendor prefix for CSS3
+ * @return {String} The browsers vendor prefix
+ */
+ vendor: function(){
+ var tmp = doc.createElement("div"),
+ prefixes = 'webkit Moz O ms'.split(' '),
+ i;
+ for (i in prefixes) {
+ if (typeof tmp.style[prefixes[i] + 'Transition'] !== 'undefined') {
+ return prefixes[i];
+ }
+ }
+ },
+
+ /**
+ * Determines the browsers vendor prefix for transition callback events
+ * @return {String} The event name
+ */
+ transitionCallback: function(){
+ return (cache.vendor==='Moz' || cache.vendor==='ms') ? 'transitionend' : cache.vendor+'TransitionEnd';
+ },
+
+ /**
+ * Determines if the users browser supports CSS3 transformations
+ * @return {[type]} [description]
+ */
+ canTransform: function(){
+ return typeof settings.element.style[cache.vendor+'Transform'] !== 'undefined';
+ },
+
+ /**
+ * Determines an angle between two points
+ * @param {Number} x The X coordinate
+ * @param {Number} y The Y coordinate
+ * @return {Number} The number of degrees between the two points
+ */
+ angleOfDrag: function(x, y) {
+ var degrees, theta;
+ // Calc Theta
+ theta = Math.atan2(-(cache.startDragY - y), (cache.startDragX - x));
+ if (theta < 0) {
+ theta += 2 * Math.PI;
+ }
+ // Calc Degrees
+ degrees = Math.floor(theta * (180 / Math.PI) - 180);
+ if (degrees < 0 && degrees > -180) {
+ degrees = 360 - Math.abs(degrees);
+ }
+ return Math.abs(degrees);
+ },
+
+
+ events: {
+
+ /**
+ * Adds an event to an element
+ * @param {Object} element Element to add event to
+ * @param {String} eventName The event name
+ * @param {Function} func Callback function
+ */
+ addEvent: function addEvent(element, eventName, func) {
+ if (element.addEventListener) {
+ return element.addEventListener(eventName, func, false);
+ } else if (element.attachEvent) {
+ return element.attachEvent("on" + eventName, func);
+ }
+ },
+
+ /**
+ * Removes an event to an element
+ * @param {Object} element Element to remove event from
+ * @param {String} eventName The event name
+ * @param {Function} func Callback function
+ */
+ removeEvent: function addEvent(element, eventName, func) {
+ if (element.addEventListener) {
+ return element.removeEventListener(eventName, func, false);
+ } else if (element.attachEvent) {
+ return element.detachEvent("on" + eventName, func);
+ }
+ },
+
+ /**
+ * Prevents the default event
+ * @param {Object} e The event object
+ */
+ prevent: function(e) {
+ if (e.preventDefault) {
+ e.preventDefault();
+ } else {
+ e.returnValue = false;
+ }
+ }
+ },
+
+ /**
+ * Searches the parent element until a specified attribute has been matched
+ * @param {Object} el The element to search from
+ * @param {String} attr The attribute to search for
+ * @return {Object|null} Returns a matched element if it exists, else, null
+ */
+ parentUntil: function(el, attr) {
+ var isStr = typeof attr === 'string';
+ while (el.parentNode) {
+ if (isStr && el.getAttribute && el.getAttribute(attr)){
+ return el;
+ } else if(!isStr && el === attr){
+ return el;
+ }
+ el = el.parentNode;
+ }
+ return null;
+ }
+ });
+
+
+ var action = self.action = {
+
+ /**
+ * Handles translating the elements position
+ * @type {Object}
+ */
+ translate: {
+ get: {
+
+ /**
+ * Returns the amount an element is translated
+ * @param {Number} index The index desired from the CSS3 values of translate3d
+ * @return {Number} The amount of pixels an element is translated
+ */
+ matrix: function(index) {
+
+ if( !cache.canTransform ){
+ return parseInt(settings.element.style.left, 10);
+ } else {
+ var matrix = win.getComputedStyle(settings.element)[cache.vendor+'Transform'].match(/\((.*)\)/),
+ ieOffset = 8;
+ if (matrix) {
+ matrix = matrix[1].split(',');
+
+ // Internet Explorer likes to give us 16 fucking values
+ if(matrix.length===16){
+ index+=ieOffset;
+ }
+ return parseInt(matrix[index], 10);
+ }
+ return 0;
+ }
+ }
+ },
+
+ /**
+ * Called when the element has finished transitioning
+ */
+ easeCallback: function(fn){
+ settings.element.style[cache.vendor+'Transition'] = '';
+ cache.translation = action.translate.get.matrix(4);
+ cache.easing = false;
+
+ if(cache.easingTo===0){
+ utils.klass.remove(doc.body, 'snapjs-right');
+ utils.klass.remove(doc.body, 'snapjs-left');
+ }
+
+ if( cache.once ){
+ cache.once.call(self, self.state());
+ delete cache.once;
+ }
+
+ utils.dispatchEvent('animated');
+ utils.events.removeEvent(settings.element, utils.transitionCallback(), action.translate.easeCallback);
+
+ },
+
+ /**
+ * Animates the pane by the specified amount of pixels
+ * @param {Number} n The amount of pixels to move the pane
+ */
+ easeTo: function(n, cb) {
+
+ if( !cache.canTransform ){
+ cache.translation = n;
+ action.translate.x(n);
+ } else {
+ cache.easing = true;
+ cache.easingTo = n;
+
+ settings.element.style[cache.vendor+'Transition'] = 'all ' + settings.transitionSpeed + 's ' + settings.easing;
+
+ cache.once = cb;
+
+ utils.events.addEvent(settings.element, utils.transitionCallback(), action.translate.easeCallback);
+ action.translate.x(n);
+ }
+ if(n===0){
+ settings.element.style[cache.vendor+'Transform'] = '';
+ }
+ },
+
+ /**
+ * Immediately translates the element on its X axis
+ * @param {Number} n Amount of pixels to translate
+ */
+ x: function(n) {
+ if( (settings.disable==='left' && n>0) ||
+ (settings.disable==='right' && n<0)
+ ){ return; }
+
+ if( !settings.hyperextensible ){
+ if( n===settings.maxPosition || n>settings.maxPosition ){
+ n=settings.maxPosition;
+ } else if( n===settings.minPosition || n<settings.minPosition ){
+ n=settings.minPosition;
+ }
+ }
+
+ n = parseInt(n, 10);
+ if(isNaN(n)){
+ n = 0;
+ }
+
+ if( cache.canTransform ){
+ var theTranslate = 'translate3d(' + n + 'px, 0,0)';
+ settings.element.style[cache.vendor+'Transform'] = theTranslate;
+ } else {
+ settings.element.style.width = (win.innerWidth || doc.documentElement.clientWidth)+'px';
+
+ settings.element.style.left = n+'px';
+ settings.element.style.right = '';
+ }
+ }
+ },
+
+ /**
+ * Handles all the events that interface with dragging
+ * @type {Object}
+ */
+ drag: {
+
+ /**
+ * Begins listening for drag events on our element
+ */
+ listen: function() {
+ cache.translation = 0;
+ cache.easing = false;
+ utils.events.addEvent(self.settings.element, utils.eventType('down'), action.drag.startDrag);
+ utils.events.addEvent(self.settings.element, utils.eventType('move'), action.drag.dragging);
+ utils.events.addEvent(self.settings.element, utils.eventType('up'), action.drag.endDrag);
+ },
+
+ /**
+ * Stops listening for drag events on our element
+ */
+ stopListening: function() {
+ utils.events.removeEvent(settings.element, utils.eventType('down'), action.drag.startDrag);
+ utils.events.removeEvent(settings.element, utils.eventType('move'), action.drag.dragging);
+ utils.events.removeEvent(settings.element, utils.eventType('up'), action.drag.endDrag);
+ },
+
+ /**
+ * Fired immediately when the user begins to drag the content pane
+ * @param {Object} e Event object
+ */
+ startDrag: function(e) {
+ // No drag on ignored elements
+ var target = e.target ? e.target : e.srcElement,
+ ignoreParent = utils.parentUntil(target, 'data-snap-ignore');
+
+ if (ignoreParent) {
+ utils.dispatchEvent('ignore');
+ return;
+ }
+
+
+ if(settings.dragger){
+ var dragParent = utils.parentUntil(target, settings.dragger);
+
+ // Only use dragger if we're in a closed state
+ if( !dragParent &&
+ (cache.translation !== settings.minPosition &&
+ cache.translation !== settings.maxPosition
+ )){
+ return;
+ }
+ }
+
+ utils.dispatchEvent('start');
+ settings.element.style[cache.vendor+'Transition'] = '';
+ cache.isDragging = true;
+
+ cache.intentChecked = false;
+ cache.startDragX = utils.page('X', e);
+ cache.startDragY = utils.page('Y', e);
+ cache.dragWatchers = {
+ current: 0,
+ last: 0,
+ hold: 0,
+ state: ''
+ };
+ cache.simpleStates = {
+ opening: null,
+ towards: null,
+ hyperExtending: null,
+ halfway: null,
+ flick: null,
+ translation: {
+ absolute: 0,
+ relative: 0,
+ sinceDirectionChange: 0,
+ percentage: 0
+ }
+ };
+ },
+
+ /**
+ * Fired while the user is moving the content pane
+ * @param {Object} e Event object
+ */
+ dragging: function(e) {
+
+ if (cache.isDragging && settings.touchToDrag) {
+
+ var thePageX = utils.page('X', e),
+ thePageY = utils.page('Y', e),
+ translated = cache.translation,
+ absoluteTranslation = action.translate.get.matrix(4),
+ whileDragX = thePageX - cache.startDragX,
+ openingLeft = absoluteTranslation > 0,
+ translateTo = whileDragX,
+ diff;
+
+ // Shown no intent already
+ if((cache.intentChecked && !cache.hasIntent)){
+ return;
+ }
+
+ if(settings.addBodyClasses){
+ if((absoluteTranslation)>0){
+ utils.klass.add(doc.body, 'snapjs-left');
+ utils.klass.remove(doc.body, 'snapjs-right');
+ } else if((absoluteTranslation)<0){
+ utils.klass.add(doc.body, 'snapjs-right');
+ utils.klass.remove(doc.body, 'snapjs-left');
+ }
+ }
+
+ if (cache.hasIntent === false || cache.hasIntent === null) {
+
+ var deg = utils.angleOfDrag(thePageX, thePageY),
+ inRightRange = (deg >= 0 && deg <= settings.slideIntent) || (deg <= 360 && deg > (360 - settings.slideIntent)),
+ inLeftRange = (deg >= 180 && deg <= (180 + settings.slideIntent)) || (deg <= 180 && deg >= (180 - settings.slideIntent));
+ if (!inLeftRange && !inRightRange) {
+ cache.hasIntent = false;
+ } else {
+ cache.hasIntent = true;
+ }
+ cache.intentChecked = true;
+ }
+
+ if (
+ (settings.minDragDistance>=Math.abs(thePageX-cache.startDragX)) || // Has user met minimum drag distance?
+ (cache.hasIntent === false)
+ ) {
+ return;
+ }
+
+ utils.events.prevent(e);
+ utils.dispatchEvent('drag');
+
+ cache.dragWatchers.current = thePageX;
+
+ // Determine which direction we are going
+ if (cache.dragWatchers.last > thePageX) {
+ if (cache.dragWatchers.state !== 'left') {
+ cache.dragWatchers.state = 'left';
+ cache.dragWatchers.hold = thePageX;
+ }
+ cache.dragWatchers.last = thePageX;
+ } else if (cache.dragWatchers.last < thePageX) {
+ if (cache.dragWatchers.state !== 'right') {
+ cache.dragWatchers.state = 'right';
+ cache.dragWatchers.hold = thePageX;
+ }
+ cache.dragWatchers.last = thePageX;
+ }
+ if (openingLeft) {
+ // Pulling too far to the right
+ if (settings.maxPosition < absoluteTranslation) {
+ diff = (absoluteTranslation - settings.maxPosition) * settings.resistance;
+ translateTo = whileDragX - diff;
+ }
+ cache.simpleStates = {
+ opening: 'left',
+ towards: cache.dragWatchers.state,
+ hyperExtending: settings.maxPosition < absoluteTranslation,
+ halfway: absoluteTranslation > (settings.maxPosition / 2),
+ flick: Math.abs(cache.dragWatchers.current - cache.dragWatchers.hold) > settings.flickThreshold,
+ translation: {
+ absolute: absoluteTranslation,
+ relative: whileDragX,
+ sinceDirectionChange: (cache.dragWatchers.current - cache.dragWatchers.hold),
+ percentage: (absoluteTranslation/settings.maxPosition)*100
+ }
+ };
+ } else {
+ // Pulling too far to the left
+ if (settings.minPosition > absoluteTranslation) {
+ diff = (absoluteTranslation - settings.minPosition) * settings.resistance;
+ translateTo = whileDragX - diff;
+ }
+ cache.simpleStates = {
+ opening: 'right',
+ towards: cache.dragWatchers.state,
+ hyperExtending: settings.minPosition > absoluteTranslation,
+ halfway: absoluteTranslation < (settings.minPosition / 2),
+ flick: Math.abs(cache.dragWatchers.current - cache.dragWatchers.hold) > settings.flickThreshold,
+ translation: {
+ absolute: absoluteTranslation,
+ relative: whileDragX,
+ sinceDirectionChange: (cache.dragWatchers.current - cache.dragWatchers.hold),
+ percentage: (absoluteTranslation/settings.minPosition)*100
+ }
+ };
+ }
+ action.translate.x(translateTo + translated);
+ }
+ },
+
+ /**
+ * Fired when the user releases the content pane
+ * @param {Object} e Event object
+ */
+ endDrag: function(e) {
+ if (cache.isDragging) {
+ utils.dispatchEvent('end');
+ var translated = action.translate.get.matrix(4);
+
+ // Tap Close
+ if (cache.dragWatchers.current === 0 && translated !== 0 && settings.tapToClose) {
+ utils.dispatchEvent('close');
+ utils.events.prevent(e);
+ action.translate.easeTo(0);
+ cache.isDragging = false;
+ cache.startDragX = 0;
+ return;
+ }
+
+ // Revealing Left
+ if (cache.simpleStates.opening === 'left') {
+ // Halfway, Flicking, or Too Far Out
+ if ((cache.simpleStates.halfway || cache.simpleStates.hyperExtending || cache.simpleStates.flick)) {
+ if (cache.simpleStates.flick && cache.simpleStates.towards === 'left') { // Flicking Closed
+ action.translate.easeTo(0);
+ } else if (
+ (cache.simpleStates.flick && cache.simpleStates.towards === 'right') || // Flicking Open OR
+ (cache.simpleStates.halfway || cache.simpleStates.hyperExtending) // At least halfway open OR hyperextending
+ ) {
+ action.translate.easeTo(settings.maxPosition); // Open Left
+ }
+ } else {
+ action.translate.easeTo(0); // Close Left
+ }
+ // Revealing Right
+ } else if (cache.simpleStates.opening === 'right') {
+ // Halfway, Flicking, or Too Far Out
+ if ((cache.simpleStates.halfway || cache.simpleStates.hyperExtending || cache.simpleStates.flick)) {
+ if (cache.simpleStates.flick && cache.simpleStates.towards === 'right') { // Flicking Closed
+ action.translate.easeTo(0);
+ } else if (
+ (cache.simpleStates.flick && cache.simpleStates.towards === 'left') || // Flicking Open OR
+ (cache.simpleStates.halfway || cache.simpleStates.hyperExtending) // At least halfway open OR hyperextending
+ ) {
+ action.translate.easeTo(settings.minPosition); // Open Right
+ }
+ } else {
+ action.translate.easeTo(0); // Close Right
+ }
+ }
+ cache.isDragging = false;
+ cache.startDragX = utils.page('X', e);
+ }
+ }
+ }
+ };
+
+
+ // Initialize
+ if (opts.element) {
+ utils.extend(settings, opts);
+ cache.vendor = utils.vendor();
+ cache.canTransform = utils.canTransform();
+ action.drag.listen();
+ }
+ };
+
+
+ utils.extend(Core.prototype, {
+
+ /**
+ * Opens the specified side menu
+ * @param {String} side Must be "left" or "right"
+ */
+ open: function(side, cb) {
+ utils.dispatchEvent('open');
+ utils.klass.remove(doc.body, 'snapjs-expand-left');
+ utils.klass.remove(doc.body, 'snapjs-expand-right');
+
+ if (side === 'left') {
+ this.cache.simpleStates.opening = 'left';
+ this.cache.simpleStates.towards = 'right';
+ utils.klass.add(doc.body, 'snapjs-left');
+ utils.klass.remove(doc.body, 'snapjs-right');
+ this.action.translate.easeTo(this.settings.maxPosition, cb);
+ } else if (side === 'right') {
+ this.cache.simpleStates.opening = 'right';
+ this.cache.simpleStates.towards = 'left';
+ utils.klass.remove(doc.body, 'snapjs-left');
+ utils.klass.add(doc.body, 'snapjs-right');
+ this.action.translate.easeTo(this.settings.minPosition, cb);
+ }
+ },
+
+ /**
+ * Closes the pane
+ */
+ close: function(cb) {
+ utils.dispatchEvent('close');
+ this.action.translate.easeTo(0, cb);
+ },
+
+ /**
+ * Hides the content pane completely allowing for full menu visibility
+ * @param {String} side Must be "left" or "right"
+ */
+ expand: function(side){
+ var to = win.innerWidth || doc.documentElement.clientWidth;
+
+ if(side==='left'){
+ utils.dispatchEvent('expandLeft');
+ utils.klass.add(doc.body, 'snapjs-expand-left');
+ utils.klass.remove(doc.body, 'snapjs-expand-right');
+ } else {
+ utils.dispatchEvent('expandRight');
+ utils.klass.add(doc.body, 'snapjs-expand-right');
+ utils.klass.remove(doc.body, 'snapjs-expand-left');
+ to *= -1;
+ }
+ this.action.translate.easeTo(to);
+ },
+
+ /**
+ * Listen in to custom Snap events
+ * @param {String} evt The snap event name
+ * @param {Function} fn Callback function
+ * @return {Object} Snap instance
+ */
+ on: function(evt, fn) {
+ this.eventList[evt] = fn;
+ return this;
+ },
+
+ /**
+ * Stops listening to custom Snap events
+ * @param {String} evt The snap event name
+ */
+ off: function(evt) {
+ if (this.eventList[evt]) {
+ this.eventList[evt] = false;
+ }
+ },
+
+ /**
+ * Enables Snap.js events
+ */
+ enable: function() {
+ utils.dispatchEvent('enable');
+ this.action.drag.listen();
+ },
+
+ /**
+ * Disables Snap.js events
+ */
+ disable: function() {
+ utils.dispatchEvent('disable');
+ this.action.drag.stopListening();
+ },
+
+ /**
+ * Updates the instances settings
+ * @param {Object} opts The Snap options to set
+ */
+ settings: function(opts){
+ utils.extend(this.settings, opts);
+ },
+
+ /**
+ * Returns information about the state of the content pane
+ * @return {Object} Information regarding the state of the pane
+ */
+ state: function() {
+ var state,
+ fromLeft = this.action.translate.get.matrix(4);
+ if (fromLeft === this.settings.maxPosition) {
+ state = 'left';
+ } else if (fromLeft === this.settings.minPosition) {
+ state = 'right';
+ } else {
+ state = 'closed';
+ }
+ return {
+ state: state,
+ info: this.cache.simpleStates
+ };
+ }
+ });
+
+ // Assign to the global namespace
+ this[Namespace] = Core;
+
+}).call(this, window, document);
+/*
+Copyright 2012 Igor Vaynberg
+
+Version: 3.4.8 Timestamp: Thu May 1 09:50:32 EDT 2014
+
+This software is licensed under the Apache License, Version 2.0 (the "Apache License") or the GNU
+General Public License version 2 (the "GPL License"). You may choose either license to govern your
+use of this software only upon the condition that you accept all of the terms of either the Apache
+License or the GPL License.
+
+You may obtain a copy of the Apache License and the GPL License at:
+
+ http://www.apache.org/licenses/LICENSE-2.0
+ http://www.gnu.org/licenses/gpl-2.0.html
+
+Unless required by applicable law or agreed to in writing, software distributed under the
+Apache License or the GPL License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+CONDITIONS OF ANY KIND, either express or implied. See the Apache License and the GPL License for
+the specific language governing permissions and limitations under the Apache License and the GPL License.
+*/
+(function ($) {
+ if(typeof $.fn.each2 == "undefined") {
+ $.extend($.fn, {
+ /*
+ * 4-10 times faster .each replacement
+ * use it carefully, as it overrides jQuery context of element on each iteration
+ */
+ each2 : function (c) {
+ var j = $([0]), i = -1, l = this.length;
+ while (
+ ++i < l
+ && (j.context = j[0] = this[i])
+ && c.call(j[0], i, j) !== false //"this"=DOM, i=index, j=jQuery object
+ );
+ return this;
+ }
+ });
+ }
+})(jQuery);
+
+(function ($, undefined) {
+ "use strict";
+ /*global document, window, jQuery, console */
+
+ if (window.Select2 !== undefined) {
+ return;
+ }
+
+ var KEY, AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer,
+ lastMousePosition={x:0,y:0}, $document, scrollBarDimensions,
+
+ KEY = {
+ TAB: 9,
+ ENTER: 13,
+ ESC: 27,
+ SPACE: 32,
+ LEFT: 37,
+ UP: 38,
+ RIGHT: 39,
+ DOWN: 40,
+ SHIFT: 16,
+ CTRL: 17,
+ ALT: 18,
+ PAGE_UP: 33,
+ PAGE_DOWN: 34,
+ HOME: 36,
+ END: 35,
+ BACKSPACE: 8,
+ DELETE: 46,
+ isArrow: function (k) {
+ k = k.which ? k.which : k;
+ switch (k) {
+ case KEY.LEFT:
+ case KEY.RIGHT:
+ case KEY.UP:
+ case KEY.DOWN:
+ return true;
+ }
+ return false;
+ },
+ isControl: function (e) {
+ var k = e.which;
+ switch (k) {
+ case KEY.SHIFT:
+ case KEY.CTRL:
+ case KEY.ALT:
+ return true;
+ }
+
+ if (e.metaKey) return true;
+
+ return false;
+ },
+ isFunctionKey: function (k) {
+ k = k.which ? k.which : k;
+ return k >= 112 && k <= 123;
+ }
+ },
+ MEASURE_SCROLLBAR_TEMPLATE = "<div class='select2-measure-scrollbar'></div>",
+
+ DIACRITICS = {"\u24B6":"A","\uFF21":"A","\u00C0":"A","\u00C1":"A","\u00C2":"A","\u1EA6":"A","\u1EA4":"A","\u1EAA":"A","\u1EA8":"A","\u00C3":"A","\u0100":"A","\u0102":"A","\u1EB0":"A","\u1EAE":"A","\u1EB4":"A","\u1EB2":"A","\u0226":"A","\u01E0":"A","\u00C4":"A","\u01DE":"A","\u1EA2":"A","\u00C5":"A","\u01FA":"A","\u01CD":"A","\u0200":"A","\u0202":"A","\u1EA0":"A","\u1EAC":"A","\u1EB6":"A","\u1E00":"A","\u0104":"A","\u023A":"A","\u2C6F":"A","\uA732":"AA","\u00C6":"AE","\u01FC":"AE","\u01E2":"AE","\uA734":"AO","\uA736":"AU","\uA738":"AV","\uA73A":"AV","\uA73C":"AY","\u24B7":"B","\uFF22":"B","\u1E02":"B","\u1E04":"B","\u1E06":"B","\u0243":"B","\u0182":"B","\u0181":"B","\u24B8":"C","\uFF23":"C","\u0106":"C","\u0108":"C","\u010A":"C","\u010C":"C","\u00C7":"C","\u1E08":"C","\u0187":"C","\u023B":"C","\uA73E":"C","\u24B9":"D","\uFF24":"D","\u1E0A":"D","\u010E":"D","\u1E0C":"D","\u1E10":"D","\u1E12":"D","\u1E0E":"D","\u0110":"D","\u018B":"D","\u018A":"D","\u0189":"D","\uA779":"D","\u01F1":"DZ","\u01C4":"DZ","\u01F2":"Dz","\u01C5":"Dz","\u24BA":"E","\uFF25":"E","\u00C8":"E","\u00C9":"E","\u00CA":"E","\u1EC0":"E","\u1EBE":"E","\u1EC4":"E","\u1EC2":"E","\u1EBC":"E","\u0112":"E","\u1E14":"E","\u1E16":"E","\u0114":"E","\u0116":"E","\u00CB":"E","\u1EBA":"E","\u011A":"E","\u0204":"E","\u0206":"E","\u1EB8":"E","\u1EC6":"E","\u0228":"E","\u1E1C":"E","\u0118":"E","\u1E18":"E","\u1E1A":"E","\u0190":"E","\u018E":"E","\u24BB":"F","\uFF26":"F","\u1E1E":"F","\u0191":"F","\uA77B":"F","\u24BC":"G","\uFF27":"G","\u01F4":"G","\u011C":"G","\u1E20":"G","\u011E":"G","\u0120":"G","\u01E6":"G","\u0122":"G","\u01E4":"G","\u0193":"G","\uA7A0":"G","\uA77D":"G","\uA77E":"G","\u24BD":"H","\uFF28":"H","\u0124":"H","\u1E22":"H","\u1E26":"H","\u021E":"H","\u1E24":"H","\u1E28":"H","\u1E2A":"H","\u0126":"H","\u2C67":"H","\u2C75":"H","\uA78D":"H","\u24BE":"I","\uFF29":"I","\u00CC":"I","\u00CD":"I","\u00CE":"I","\u0128":"I","\u012A":"I","\u012C":"I","\u0130":"I","\u00CF":"I","\u1E2E":"I","\u1EC8":"I","\u01CF":"I","\u0208":"I","\u020A":"I","\u1ECA":"I","\u012E":"I","\u1E2C":"I","\u0197":"I","\u24BF":"J","\uFF2A":"J","\u0134":"J","\u0248":"J","\u24C0":"K","\uFF2B":"K","\u1E30":"K","\u01E8":"K","\u1E32":"K","\u0136":"K","\u1E34":"K","\u0198":"K","\u2C69":"K","\uA740":"K","\uA742":"K","\uA744":"K","\uA7A2":"K","\u24C1":"L","\uFF2C":"L","\u013F":"L","\u0139":"L","\u013D":"L","\u1E36":"L","\u1E38":"L","\u013B":"L","\u1E3C":"L","\u1E3A":"L","\u0141":"L","\u023D":"L","\u2C62":"L","\u2C60":"L","\uA748":"L","\uA746":"L","\uA780":"L","\u01C7":"LJ","\u01C8":"Lj","\u24C2":"M","\uFF2D":"M","\u1E3E":"M","\u1E40":"M","\u1E42":"M","\u2C6E":"M","\u019C":"M","\u24C3":"N","\uFF2E":"N","\u01F8":"N","\u0143":"N","\u00D1":"N","\u1E44":"N","\u0147":"N","\u1E46":"N","\u0145":"N","\u1E4A":"N","\u1E48":"N","\u0220":"N","\u019D":"N","\uA790":"N","\uA7A4":"N","\u01CA":"NJ","\u01CB":"Nj","\u24C4":"O","\uFF2F":"O","\u00D2":"O","\u00D3":"O","\u00D4":"O","\u1ED2":"O","\u1ED0":"O","\u1ED6":"O","\u1ED4":"O","\u00D5":"O","\u1E4C":"O","\u022C":"O","\u1E4E":"O","\u014C":"O","\u1E50":"O","\u1E52":"O","\u014E":"O","\u022E":"O","\u0230":"O","\u00D6":"O","\u022A":"O","\u1ECE":"O","\u0150":"O","\u01D1":"O","\u020C":"O","\u020E":"O","\u01A0":"O","\u1EDC":"O","\u1EDA":"O","\u1EE0":"O","\u1EDE":"O","\u1EE2":"O","\u1ECC":"O","\u1ED8":"O","\u01EA":"O","\u01EC":"O","\u00D8":"O","\u01FE":"O","\u0186":"O","\u019F":"O","\uA74A":"O","\uA74C":"O","\u01A2":"OI","\uA74E":"OO","\u0222":"OU","\u24C5":"P","\uFF30":"P","\u1E54":"P","\u1E56":"P","\u01A4":"P","\u2C63":"P","\uA750":"P","\uA752":"P","\uA754":"P","\u24C6":"Q","\uFF31":"Q","\uA756":"Q","\uA758":"Q","\u024A":"Q","\u24C7":"R","\uFF32":"R","\u0154":"R","\u1E58":"R","\u0158":"R","\u0210":"R","\u0212":"R","\u1E5A":"R","\u1E5C":"R","\u0156":"R","\u1E5E":"R","\u024C":"R","\u2C64":"R","\uA75A":"R","\uA7A6":"R","\uA782":"R","\u24C8":"S","\uFF33":"S","\u1E9E":"S","\u015A":"S","\u1E64":"S","\u015C":"S","\u1E60":"S","\u0160":"S","\u1E66":"S","\u1E62":"S","\u1E68":"S","\u0218":"S","\u015E":"S","\u2C7E":"S","\uA7A8":"S","\uA784":"S","\u24C9":"T","\uFF34":"T","\u1E6A":"T","\u0164":"T","\u1E6C":"T","\u021A":"T","\u0162":"T","\u1E70":"T","\u1E6E":"T","\u0166":"T","\u01AC":"T","\u01AE":"T","\u023E":"T","\uA786":"T","\uA728":"TZ","\u24CA":"U","\uFF35":"U","\u00D9":"U","\u00DA":"U","\u00DB":"U","\u0168":"U","\u1E78":"U","\u016A":"U","\u1E7A":"U","\u016C":"U","\u00DC":"U","\u01DB":"U","\u01D7":"U","\u01D5":"U","\u01D9":"U","\u1EE6":"U","\u016E":"U","\u0170":"U","\u01D3":"U","\u0214":"U","\u0216":"U","\u01AF":"U","\u1EEA":"U","\u1EE8":"U","\u1EEE":"U","\u1EEC":"U","\u1EF0":"U","\u1EE4":"U","\u1E72":"U","\u0172":"U","\u1E76":"U","\u1E74":"U","\u0244":"U","\u24CB":"V","\uFF36":"V","\u1E7C":"V","\u1E7E":"V","\u01B2":"V","\uA75E":"V","\u0245":"V","\uA760":"VY","\u24CC":"W","\uFF37":"W","\u1E80":"W","\u1E82":"W","\u0174":"W","\u1E86":"W","\u1E84":"W","\u1E88":"W","\u2C72":"W","\u24CD":"X","\uFF38":"X","\u1E8A":"X","\u1E8C":"X","\u24CE":"Y","\uFF39":"Y","\u1EF2":"Y","\u00DD":"Y","\u0176":"Y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+
+ $document = $(document);
+
+ nextUid=(function() { var counter=1; return function() { return counter++; }; }());
+
+
+ function reinsertElement(element) {
+ var placeholder = $(document.createTextNode(''));
+
+ element.before(placeholder);
+ placeholder.before(element);
+ placeholder.remove();
+ }
+
+ function stripDiacritics(str) {
+ // Used 'uni range + named function' from http://jsperf.com/diacritics/18
+ function match(a) {
+ return DIACRITICS[a] || a;
+ }
+
+ return str.replace(/[^\u0000-\u007E]/g, match);
+ }
+
+ function indexOf(value, array) {
+ var i = 0, l = array.length;
+ for (; i < l; i = i + 1) {
+ if (equal(value, array[i])) return i;
+ }
+ return -1;
+ }
+
+ function measureScrollbar () {
+ var $template = $( MEASURE_SCROLLBAR_TEMPLATE );
+ $template.appendTo('body');
+
+ var dim = {
+ width: $template.width() - $template[0].clientWidth,
+ height: $template.height() - $template[0].clientHeight
+ };
+ $template.remove();
+
+ return dim;
+ }
+
+ /**
+ * Compares equality of a and b
+ * @param a
+ * @param b
+ */
+ function equal(a, b) {
+ if (a === b) return true;
+ if (a === undefined || b === undefined) return false;
+ if (a === null || b === null) return false;
+ // Check whether 'a' or 'b' is a string (primitive or object).
+ // The concatenation of an empty string (+'') converts its argument to a string's primitive.
+ if (a.constructor === String) return a+'' === b+''; // a+'' - in case 'a' is a String object
+ if (b.constructor === String) return b+'' === a+''; // b+'' - in case 'b' is a String object
+ return false;
+ }
+
+ /**
+ * Splits the string into an array of values, trimming each value. An empty array is returned for nulls or empty
+ * strings
+ * @param string
+ * @param separator
+ */
+ function splitVal(string, separator) {
+ var val, i, l;
+ if (string === null || string.length < 1) return [];
+ val = string.split(separator);
+ for (i = 0, l = val.length; i < l; i = i + 1) val[i] = $.trim(val[i]);
+ return val;
+ }
+
+ function getSideBorderPadding(element) {
+ return element.outerWidth(false) - element.width();
+ }
+
+ function installKeyUpChangeEvent(element) {
+ var key="keyup-change-value";
+ element.on("keydown", function () {
+ if ($.data(element, key) === undefined) {
+ $.data(element, key, element.val());
+ }
+ });
+ element.on("keyup", function () {
+ var val= $.data(element, key);
+ if (val !== undefined && element.val() !== val) {
+ $.removeData(element, key);
+ element.trigger("keyup-change");
+ }
+ });
+ }
+
+ $document.on("mousemove", function (e) {
+ lastMousePosition.x = e.pageX;
+ lastMousePosition.y = e.pageY;
+ });
+
+ /**
+ * filters mouse events so an event is fired only if the mouse moved.
+ *
+ * filters out mouse events that occur when mouse is stationary but
+ * the elements under the pointer are scrolled.
+ */
+ function installFilteredMouseMove(element) {
+ element.on("mousemove", function (e) {
+ var lastpos = lastMousePosition;
+ if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) {
+ $(e.target).trigger("mousemove-filtered", e);
+ }
+ });
+ }
+
+ /**
+ * Debounces a function. Returns a function that calls the original fn function only if no invocations have been made
+ * within the last quietMillis milliseconds.
+ *
+ * @param quietMillis number of milliseconds to wait before invoking fn
+ * @param fn function to be debounced
+ * @param ctx object to be used as this reference within fn
+ * @return debounced version of fn
+ */
+ function debounce(quietMillis, fn, ctx) {
+ ctx = ctx || undefined;
+ var timeout;
+ return function () {
+ var args = arguments;
+ window.clearTimeout(timeout);
+ timeout = window.setTimeout(function() {
+ fn.apply(ctx, args);
+ }, quietMillis);
+ };
+ }
+
+ function installDebouncedScroll(threshold, element) {
+ var notify = debounce(threshold, function (e) { element.trigger("scroll-debounced", e);});
+ element.on("scroll", function (e) {
+ if (indexOf(e.target, element.get()) >= 0) notify(e);
+ });
+ }
+
+ function focus($el) {
+ if ($el[0] === document.activeElement) return;
+
+ /* set the focus in a 0 timeout - that way the focus is set after the processing
+ of the current event has finished - which seems like the only reliable way
+ to set focus */
+ window.setTimeout(function() {
+ var el=$el[0], pos=$el.val().length, range;
+
+ $el.focus();
+
+ /* make sure el received focus so we do not error out when trying to manipulate the caret.
+ sometimes modals or others listeners may steal it after its set */
+ var isVisible = (el.offsetWidth > 0 || el.offsetHeight > 0);
+ if (isVisible && el === document.activeElement) {
+
+ /* after the focus is set move the caret to the end, necessary when we val()
+ just before setting focus */
+ if(el.setSelectionRange)
+ {
+ el.setSelectionRange(pos, pos);
+ }
+ else if (el.createTextRange) {
+ range = el.createTextRange();
+ range.collapse(false);
+ range.select();
+ }
+ }
+ }, 0);
+ }
+
+ function getCursorInfo(el) {
+ el = $(el)[0];
+ var offset = 0;
+ var length = 0;
+ if ('selectionStart' in el) {
+ offset = el.selectionStart;
+ length = el.selectionEnd - offset;
+ } else if ('selection' in document) {
+ el.focus();
+ var sel = document.selection.createRange();
+ length = document.selection.createRange().text.length;
+ sel.moveStart('character', -el.value.length);
+ offset = sel.text.length - length;
+ }
+ return { offset: offset, length: length };
+ }
+
+ function killEvent(event) {
+ event.preventDefault();
+ event.stopPropagation();
+ }
+ function killEventImmediately(event) {
+ event.preventDefault();
+ event.stopImmediatePropagation();
+ }
+
+ function measureTextWidth(e) {
+ if (!sizer){
+ var style = e[0].currentStyle || window.getComputedStyle(e[0], null);
+ sizer = $(document.createElement("div")).css({
+ position: "absolute",
+ left: "-10000px",
+ top: "-10000px",
+ display: "none",
+ fontSize: style.fontSize,
+ fontFamily: style.fontFamily,
+ fontStyle: style.fontStyle,
+ fontWeight: style.fontWeight,
+ letterSpacing: style.letterSpacing,
+ textTransform: style.textTransform,
+ whiteSpace: "nowrap"
+ });
+ sizer.attr("class","select2-sizer");
+ $("body").append(sizer);
+ }
+ sizer.text(e.val());
+ return sizer.width();
+ }
+
+ function syncCssClasses(dest, src, adapter) {
+ var classes, replacements = [], adapted;
+
+ classes = dest.attr("class");
+ if (classes) {
+ classes = '' + classes; // for IE which returns object
+ $(classes.split(" ")).each2(function() {
+ if (this.indexOf("select2-") === 0) {
+ replacements.push(this);
+ }
+ });
+ }
+ classes = src.attr("class");
+ if (classes) {
+ classes = '' + classes; // for IE which returns object
+ $(classes.split(" ")).each2(function() {
+ if (this.indexOf("select2-") !== 0) {
+ adapted = adapter(this);
+ if (adapted) {
+ replacements.push(adapted);
+ }
+ }
+ });
+ }
+ dest.attr("class", replacements.join(" "));
+ }
+
+
+ function markMatch(text, term, markup, escapeMarkup) {
+ var match=stripDiacritics(text.toUpperCase()).indexOf(stripDiacritics(term.toUpperCase())),
+ tl=term.length;
+
+ if (match<0) {
+ markup.push(escapeMarkup(text));
+ return;
+ }
+
+ markup.push(escapeMarkup(text.substring(0, match)));
+ markup.push("<span class='select2-match'>");
+ markup.push(escapeMarkup(text.substring(match, match + tl)));
+ markup.push("</span>");
+ markup.push(escapeMarkup(text.substring(match + tl, text.length)));
+ }
+
+ function defaultEscapeMarkup(markup) {
+ var replace_map = {
+ '\\': '\',
+ '&': '&',
+ '<': '<',
+ '>': '>',
+ '"': '"',
+ "'": ''',
+ "/": '/'
+ };
+
+ return String(markup).replace(/[&<>"'\/\\]/g, function (match) {
+ return replace_map[match];
+ });
+ }
+
+ /**
+ * Produces an ajax-based query function
+ *
+ * @param options object containing configuration parameters
+ * @param options.params parameter map for the transport ajax call, can contain such options as cache, jsonpCallback, etc. see $.ajax
+ * @param options.transport function that will be used to execute the ajax request. must be compatible with parameters supported by $.ajax
+ * @param options.url url for the data
+ * @param options.data a function(searchTerm, pageNumber, context) that should return an object containing query string parameters for the above url.
+ * @param options.dataType request data type: ajax, jsonp, other datatypes supported by jQuery's $.ajax function or the transport function if specified
+ * @param options.quietMillis (optional) milliseconds to wait before making the ajaxRequest, helps debounce the ajax function if invoked too often
+ * @param options.results a function(remoteData, pageNumber) that converts data returned form the remote request to the format expected by Select2.
+ * The expected format is an object containing the following keys:
+ * results array of objects that will be used as choices
+ * more (optional) boolean indicating whether there are more results available
+ * Example: {results:[{id:1, text:'Red'},{id:2, text:'Blue'}], more:true}
+ */
+ function ajax(options) {
+ var timeout, // current scheduled but not yet executed request
+ handler = null,
+ quietMillis = options.quietMillis || 100,
+ ajaxUrl = options.url,
+ self = this;
+
+ return function (query) {
+ window.clearTimeout(timeout);
+ timeout = window.setTimeout(function () {
+ var data = options.data, // ajax data function
+ url = ajaxUrl, // ajax url string or function
+ transport = options.transport || $.fn.select2.ajaxDefaults.transport,
+ // deprecated - to be removed in 4.0 - use params instead
+ deprecated = {
+ type: options.type || 'GET', // set type of request (GET or POST)
+ cache: options.cache || false,
+ jsonpCallback: options.jsonpCallback||undefined,
+ dataType: options.dataType||"json"
+ },
+ params = $.extend({}, $.fn.select2.ajaxDefaults.params, deprecated);
+
+ data = data ? data.call(self, query.term, query.page, query.context) : null;
+ url = (typeof url === 'function') ? url.call(self, query.term, query.page, query.context) : url;
+
+ if (handler && typeof handler.abort === "function") { handler.abort(); }
+
+ if (options.params) {
+ if ($.isFunction(options.params)) {
+ $.extend(params, options.params.call(self));
+ } else {
+ $.extend(params, options.params);
+ }
+ }
+
+ $.extend(params, {
+ url: url,
+ dataType: options.dataType,
+ data: data,
+ success: function (data) {
+ // TODO - replace query.page with query so users have access to term, page, etc.
+ var results = options.results(data, query.page);
+ query.callback(results);
+ }
+ });
+ handler = transport.call(self, params);
+ }, quietMillis);
+ };
+ }
+
+ /**
+ * Produces a query function that works with a local array
+ *
+ * @param options object containing configuration parameters. The options parameter can either be an array or an
+ * object.
+ *
+ * If the array form is used it is assumed that it contains objects with 'id' and 'text' keys.
+ *
+ * If the object form is used it is assumed that it contains 'data' and 'text' keys. The 'data' key should contain
+ * an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text'
+ * key can either be a String in which case it is expected that each element in the 'data' array has a key with the
+ * value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract
+ * the text.
+ */
+ function local(options) {
+ var data = options, // data elements
+ dataText,
+ tmp,
+ text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search
+
+ if ($.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");
+ }
+
+ function evaluate(val) {
+ if ($.isFunction(val)) {
+ var args = Array.prototype.slice.call(arguments, 1);
+ return val.apply(null, args);
+ }
+ return val;
+ }
+
+ function countResults(results) {
+ var count = 0;
+ $.each(results, function(i, item) {
+ if (item.children) {
+ count += countResults(item.children);
+ } else {
+ count++;
+ }
+ });
+ return count;
+ }
+
+ /**
+ * Default tokenizer. This function uses breaks the input on substring match of any string from the
+ * opts.tokenSeparators array and uses opts.createSearchChoice to create the choice object. Both of those
+ * two options have to be defined in order for the tokenizer to work.
+ *
+ * @param input text user has typed so far or pasted into the search field
+ * @param selection currently selected choices
+ * @param selectCallback function(choice) callback tho add the choice to selection
+ * @param opts select2's opts
+ * @return undefined/null to leave the current input unchanged, or a string to change the input to the returned value
+ */
+ function defaultTokenizer(input, selection, selectCallback, opts) {
+ var original = input, // store the original so we can compare and know if we need to tell the search to update its text
+ dupe = false, // check for whether a token we extracted represents a duplicate selected choice
+ token, // token
+ index, // position at which the separator was found
+ i, l, // looping variables
+ separator; // the matched separator
+
+ if (!opts.createSearchChoice || !opts.tokenSeparators || opts.tokenSeparators.length < 1) return undefined;
+
+ while (true) {
+ index = -1;
+
+ for (i = 0, l = opts.tokenSeparators.length; i < l; i++) {
+ separator = opts.tokenSeparators[i];
+ index = input.indexOf(separator);
+ if (index >= 0) break;
+ }
+
+ if (index < 0) break; // did not find any token separator in the input string, bail
+
+ token = input.substring(0, index);
+ input = input.substring(index + separator.length);
+
+ if (token.length > 0) {
+ token = opts.createSearchChoice.call(this, token, selection);
+ if (token !== undefined && token !== null && opts.id(token) !== undefined && opts.id(token) !== null) {
+ dupe = false;
+ for (i = 0, l = selection.length; i < l; i++) {
+ if (equal(opts.id(token), opts.id(selection[i]))) {
+ dupe = true; break;
+ }
+ }
+
+ if (!dupe) selectCallback(token);
+ }
+ }
+ }
+
+ if (original!==input) return input;
+ }
+
+ function cleanupJQueryElements() {
+ var self = this;
+
+ Array.prototype.forEach.call(arguments, function (element) {
+ self[element].remove();
+ self[element] = null;
+ });
+ }
+
+ /**
+ * Creates a new class
+ *
+ * @param superClass
+ * @param methods
+ */
+ function clazz(SuperClass, methods) {
+ var constructor = function () {};
+ constructor.prototype = new SuperClass;
+ constructor.prototype.constructor = constructor;
+ constructor.prototype.parent = SuperClass.prototype;
+ constructor.prototype = $.extend(constructor.prototype, methods);
+ return constructor;
+ }
+
+ AbstractSelect2 = clazz(Object, {
+
+ // abstract
+ bind: function (func) {
+ var self = this;
+ return function () {
+ func.apply(self, arguments);
+ };
+ },
+
+ // abstract
+ init: function (opts) {
+ var results, search, resultsSelector = ".select2-results";
+
+ // prepare options
+ this.opts = opts = this.prepareOpts(opts);
+
+ this.id=opts.id;
+
+ // destroy if called on an existing component
+ if (opts.element.data("select2") !== undefined &&
+ opts.element.data("select2") !== null) {
+ opts.element.data("select2").destroy();
+ }
+
+ this.container = this.createContainer();
+
+ this.liveRegion = $("<span>", {
+ role: "status",
+ "aria-live": "polite"
+ })
+ .addClass("select2-hidden-accessible")
+ .appendTo(document.body);
+
+ this.containerId="s2id_"+(opts.element.attr("id") || "autogen"+nextUid());
+ this.containerEventName= this.containerId
+ .replace(/([.])/g, '_')
+ .replace(/([;&,\-\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1');
+ this.container.attr("id", this.containerId);
+
+ this.container.attr("title", opts.element.attr("title"));
+
+ this.body = $("body");
+
+ syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass);
+
+ this.container.attr("style", opts.element.attr("style"));
+ this.container.css(evaluate(opts.containerCss));
+ this.container.addClass(evaluate(opts.containerCssClass));
+
+ this.elementTabIndex = this.opts.element.attr("tabindex");
+
+ // swap container for the element
+ this.opts.element
+ .data("select2", this)
+ .attr("tabindex", "-1")
+ .before(this.container)
+ .on("click.select2", killEvent); // do not leak click events
+
+ this.container.data("select2", this);
+
+ this.dropdown = this.container.find(".select2-drop");
+
+ syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass);
+
+ this.dropdown.addClass(evaluate(opts.dropdownCssClass));
+ this.dropdown.data("select2", this);
+ this.dropdown.on("click", killEvent);
+
+ this.results = results = this.container.find(resultsSelector);
+ this.search = search = this.container.find("input.select2-input");
+
+ this.queryCount = 0;
+ this.resultsPage = 0;
+ this.context = null;
+
+ // initialize the container
+ this.initContainer();
+
+ this.container.on("click", killEvent);
+
+ installFilteredMouseMove(this.results);
+
+ this.dropdown.on("mousemove-filtered", resultsSelector, this.bind(this.highlightUnderEvent));
+ this.dropdown.on("touchstart touchmove touchend", resultsSelector, this.bind(function (event) {
+ this._touchEvent = true;
+ this.highlightUnderEvent(event);
+ }));
+ this.dropdown.on("touchmove", resultsSelector, this.bind(this.touchMoved));
+ this.dropdown.on("touchstart touchend", resultsSelector, this.bind(this.clearTouchMoved));
+
+ // Waiting for a click event on touch devices to select option and hide dropdown
+ // otherwise click will be triggered on an underlying element
+ this.dropdown.on('click', this.bind(function (event) {
+ if (this._touchEvent) {
+ this._touchEvent = false;
+ this.selectHighlighted();
+ }
+ }));
+
+ installDebouncedScroll(80, this.results);
+ this.dropdown.on("scroll-debounced", resultsSelector, this.bind(this.loadMoreIfNeeded));
+
+ // do not propagate change event from the search field out of the component
+ $(this.container).on("change", ".select2-input", function(e) {e.stopPropagation();});
+ $(this.dropdown).on("change", ".select2-input", function(e) {e.stopPropagation();});
+
+ // if jquery.mousewheel plugin is installed we can prevent out-of-bounds scrolling of results via mousewheel
+ if ($.fn.mousewheel) {
+ results.mousewheel(function (e, delta, deltaX, deltaY) {
+ var top = results.scrollTop();
+ if (deltaY > 0 && top - deltaY <= 0) {
+ results.scrollTop(0);
+ killEvent(e);
+ } else if (deltaY < 0 && results.get(0).scrollHeight - results.scrollTop() + deltaY <= results.height()) {
+ results.scrollTop(results.get(0).scrollHeight - results.height());
+ killEvent(e);
+ }
+ });
+ }
+
+ installKeyUpChangeEvent(search);
+ search.on("keyup-change input paste", this.bind(this.updateResults));
+ search.on("focus", function () { search.addClass("select2-focused"); });
+ search.on("blur", function () { search.removeClass("select2-focused");});
+
+ this.dropdown.on("mouseup", resultsSelector, this.bind(function (e) {
+ if ($(e.target).closest(".select2-result-selectable").length > 0) {
+ this.highlightUnderEvent(e);
+ this.selectHighlighted(e);
+ }
+ }));
+
+ // trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening
+ // for mouse events outside of itself so it can close itself. since the dropdown is now outside the select2's
+ // dom it will trigger the popup close, which is not what we want
+ // focusin can cause focus wars between modals and select2 since the dropdown is outside the modal.
+ this.dropdown.on("click mouseup mousedown touchstart touchend focusin", function (e) { e.stopPropagation(); });
+
+ this.nextSearchTerm = undefined;
+
+ if ($.isFunction(this.opts.initSelection)) {
+ // initialize selection based on the current value of the source element
+ this.initSelection();
+
+ // if the user has provided a function that can set selection based on the value of the source element
+ // we monitor the change event on the element and trigger it, allowing for two way synchronization
+ this.monitorSource();
+ }
+
+ if (opts.maximumInputLength !== null) {
+ this.search.attr("maxlength", opts.maximumInputLength);
+ }
+
+ var disabled = opts.element.prop("disabled");
+ if (disabled === undefined) disabled = false;
+ this.enable(!disabled);
+
+ var readonly = opts.element.prop("readonly");
+ if (readonly === undefined) readonly = false;
+ this.readonly(readonly);
+
+ // Calculate size of scrollbar
+ scrollBarDimensions = scrollBarDimensions || measureScrollbar();
+
+ this.autofocus = opts.element.prop("autofocus");
+ opts.element.prop("autofocus", false);
+ if (this.autofocus) this.focus();
+
+ this.search.attr("placeholder", opts.searchInputPlaceholder);
+ },
+
+ // abstract
+ destroy: function () {
+ var element=this.opts.element, select2 = element.data("select2");
+
+ this.close();
+
+ if (this.propertyObserver) {
+ this.propertyObserver.disconnect();
+ this.propertyObserver = null;
+ }
+
+ if (select2 !== undefined) {
+ select2.container.remove();
+ select2.liveRegion.remove();
+ select2.dropdown.remove();
+ element
+ .removeClass("select2-offscreen")
+ .removeData("select2")
+ .off(".select2")
+ .prop("autofocus", this.autofocus || false);
+ if (this.elementTabIndex) {
+ element.attr({tabindex: this.elementTabIndex});
+ } else {
+ element.removeAttr("tabindex");
+ }
+ element.show();
+ }
+
+ cleanupJQueryElements.call(this,
+ "container",
+ "liveRegion",
+ "dropdown",
+ "results",
+ "search"
+ );
+ },
+
+ // abstract
+ optionToData: function(element) {
+ if (element.is("option")) {
+ return {
+ id:element.prop("value"),
+ text:element.text(),
+ element: element.get(),
+ css: element.attr("class"),
+ disabled: element.prop("disabled"),
+ locked: equal(element.attr("locked"), "locked") || equal(element.data("locked"), true)
+ };
+ } else if (element.is("optgroup")) {
+ return {
+ text:element.attr("label"),
+ children:[],
+ element: element.get(),
+ css: element.attr("class")
+ };
+ }
+ },
+
+ // abstract
+ prepareOpts: function (opts) {
+ var element, select, idKey, ajaxUrl, self = this;
+
+ element = opts.element;
+
+ if (element.get(0).tagName.toLowerCase() === "select") {
+ this.select = select = opts.element;
+ }
+
+ if (select) {
+ // these options are not allowed when attached to a select because they are picked up off the element itself
+ $.each(["id", "multiple", "ajax", "query", "createSearchChoice", "initSelection", "data", "tags"], function () {
+ if (this in opts) {
+ throw new Error("Option '" + this + "' is not allowed for Select2 when attached to a <select> element.");
+ }
+ });
+ }
+
+ opts = $.extend({}, {
+ populateResults: function(container, results, query) {
+ var populate, id=this.opts.id, liveRegion=this.liveRegion;
+
+ populate=function(results, container, depth) {
+
+ var i, l, result, selectable, disabled, compound, node, label, innerContainer, formatted;
+
+ results = opts.sortResults(results, container, query);
+
+ for (i = 0, l = results.length; i < l; i = i + 1) {
+
+ result=results[i];
+
+ disabled = (result.disabled === true);
+ selectable = (!disabled) && (id(result) !== undefined);
+
+ compound=result.children && result.children.length > 0;
+
+ node=$("<li></li>");
+ node.addClass("select2-results-dept-"+depth);
+ node.addClass("select2-result");
+ node.addClass(selectable ? "select2-result-selectable" : "select2-result-unselectable");
+ if (disabled) { node.addClass("select2-disabled"); }
+ if (compound) { node.addClass("select2-result-with-children"); }
+ node.addClass(self.opts.formatResultCssClass(result));
+ node.attr("role", "presentation");
+
+ label=$(document.createElement("div"));
+ label.addClass("select2-result-label");
+ label.attr("id", "select2-result-label-" + nextUid());
+ label.attr("role", "option");
+
+ formatted=opts.formatResult(result, label, query, self.opts.escapeMarkup);
+ if (formatted!==undefined) {
+ label.html(formatted);
+ node.append(label);
+ }
+
+
+ if (compound) {
+
+ innerContainer=$("<ul></ul>");
+ innerContainer.addClass("select2-result-sub");
+ populate(result.children, innerContainer, depth+1);
+ node.append(innerContainer);
+ }
+
+ node.data("select2-data", result);
+ container.append(node);
+ }
+
+ liveRegion.text(opts.formatMatches(results.length));
+ };
+
+ populate(results, container, 0);
+ }
+ }, $.fn.select2.defaults, opts);
+
+ if (typeof(opts.id) !== "function") {
+ idKey = opts.id;
+ opts.id = function (e) { return e[idKey]; };
+ }
+
+ if ($.isArray(opts.element.data("select2Tags"))) {
+ if ("tags" in opts) {
+ throw "tags specified as both an attribute 'data-select2-tags' and in options of Select2 " + opts.element.attr("id");
+ }
+ opts.tags=opts.element.data("select2Tags");
+ }
+
+ if (select) {
+ opts.query = this.bind(function (query) {
+ var data = { results: [], more: false },
+ term = query.term,
+ children, placeholderOption, process;
+
+ process=function(element, collection) {
+ var group;
+ if (element.is("option")) {
+ if (query.matcher(term, element.text(), element)) {
+ collection.push(self.optionToData(element));
+ }
+ } else if (element.is("optgroup")) {
+ group=self.optionToData(element);
+ element.children().each2(function(i, elm) { process(elm, group.children); });
+ if (group.children.length>0) {
+ collection.push(group);
+ }
+ }
+ };
+
+ children=element.children();
+
+ // ignore the placeholder option if there is one
+ if (this.getPlaceholder() !== undefined && children.length > 0) {
+ placeholderOption = this.getPlaceholderOption();
+ if (placeholderOption) {
+ children=children.not(placeholderOption);
+ }
+ }
+
+ children.each2(function(i, elm) { process(elm, data.results); });
+
+ query.callback(data);
+ });
+ // this is needed because inside val() we construct choices from options and there id is hardcoded
+ opts.id=function(e) { return e.id; };
+ } else {
+ if (!("query" in opts)) {
+
+ if ("ajax" in opts) {
+ ajaxUrl = opts.element.data("ajax-url");
+ if (ajaxUrl && ajaxUrl.length > 0) {
+ opts.ajax.url = ajaxUrl;
+ }
+ opts.query = ajax.call(opts.element, opts.ajax);
+ } else if ("data" in opts) {
+ opts.query = local(opts.data);
+ } else if ("tags" in opts) {
+ opts.query = tags(opts.tags);
+ if (opts.createSearchChoice === undefined) {
+ opts.createSearchChoice = function (term) { return {id: $.trim(term), text: $.trim(term)}; };
+ }
+ if (opts.initSelection === undefined) {
+ opts.initSelection = function (element, callback) {
+ var data = [];
+ $(splitVal(element.val(), opts.separator)).each(function () {
+ var obj = { id: this, text: this },
+ tags = opts.tags;
+ if ($.isFunction(tags)) tags=tags();
+ $(tags).each(function() { if (equal(this.id, obj.id)) { obj = this; return false; } });
+ data.push(obj);
+ });
+
+ callback(data);
+ };
+ }
+ }
+ }
+ }
+ if (typeof(opts.query) !== "function") {
+ throw "query function not defined for Select2 " + opts.element.attr("id");
+ }
+
+ if (opts.createSearchChoicePosition === 'top') {
+ opts.createSearchChoicePosition = function(list, item) { list.unshift(item); };
+ }
+ else if (opts.createSearchChoicePosition === 'bottom') {
+ opts.createSearchChoicePosition = function(list, item) { list.push(item); };
+ }
+ else if (typeof(opts.createSearchChoicePosition) !== "function") {
+ throw "invalid createSearchChoicePosition option must be 'top', 'bottom' or a custom function";
+ }
+
+ return opts;
+ },
+
+ /**
+ * Monitor the original element for changes and update select2 accordingly
+ */
+ // abstract
+ monitorSource: function () {
+ var el = this.opts.element, sync, observer;
+
+ el.on("change.select2", this.bind(function (e) {
+ if (this.opts.element.data("select2-change-triggered") !== true) {
+ this.initSelection();
+ }
+ }));
+
+ sync = this.bind(function () {
+
+ // sync enabled state
+ var disabled = el.prop("disabled");
+ if (disabled === undefined) disabled = false;
+ this.enable(!disabled);
+
+ var readonly = el.prop("readonly");
+ if (readonly === undefined) readonly = false;
+ this.readonly(readonly);
+
+ syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass);
+ this.container.addClass(evaluate(this.opts.containerCssClass));
+
+ syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass);
+ this.dropdown.addClass(evaluate(this.opts.dropdownCssClass));
+
+ });
+
+ // IE8-10 (IE9/10 won't fire propertyChange via attachEventListener)
+ if (el.length && el[0].attachEvent) {
+ el.each(function() {
+ this.attachEvent("onpropertychange", 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) {
+ mutations.forEach(sync);
+ });
+ this.propertyObserver.observe(el.get(0), { attributes:true, subtree:false });
+ }
+ },
+
+ // abstract
+ triggerSelect: function(data) {
+ var evt = $.Event("select2-selecting", { val: this.id(data), object: data });
+ this.opts.element.trigger(evt);
+ return !evt.isDefaultPrevented();
+ },
+
+ /**
+ * Triggers the change event on the source element
+ */
+ // abstract
+ triggerChange: function (details) {
+
+ details = details || {};
+ details= $.extend({}, details, { type: "change", val: this.val() });
+ // prevents recursive triggering
+ this.opts.element.data("select2-change-triggered", true);
+ this.opts.element.trigger(details);
+ this.opts.element.data("select2-change-triggered", false);
+
+ // some validation frameworks ignore the change event and listen instead to keyup, click for selects
+ // so here we trigger the click event manually
+ this.opts.element.click();
+
+ // ValidationEngine ignores the change event and listens instead to blur
+ // so here we trigger the blur event manually if so desired
+ if (this.opts.blurOnChange)
+ this.opts.element.blur();
+ },
+
+ //abstract
+ isInterfaceEnabled: function()
+ {
+ return this.enabledInterface === true;
+ },
+
+ // abstract
+ enableInterface: function() {
+ var enabled = this._enabled && !this._readonly,
+ disabled = !enabled;
+
+ if (enabled === this.enabledInterface) return false;
+
+ this.container.toggleClass("select2-container-disabled", disabled);
+ this.close();
+ this.enabledInterface = enabled;
+
+ return true;
+ },
+
+ // abstract
+ enable: function(enabled) {
+ if (enabled === undefined) enabled = true;
+ if (this._enabled === enabled) return;
+ this._enabled = enabled;
+
+ this.opts.element.prop("disabled", !enabled);
+ this.enableInterface();
+ },
+
+ // abstract
+ disable: function() {
+ this.enable(false);
+ },
+
+ // abstract
+ readonly: function(enabled) {
+ if (enabled === undefined) enabled = false;
+ if (this._readonly === enabled) return;
+ this._readonly = enabled;
+
+ this.opts.element.prop("readonly", enabled);
+ this.enableInterface();
+ },
+
+ // abstract
+ opened: function () {
+ return this.container.hasClass("select2-dropdown-open");
+ },
+
+ // abstract
+ positionDropdown: function() {
+ var $dropdown = this.dropdown,
+ offset = this.container.offset(),
+ height = this.container.outerHeight(false),
+ width = this.container.outerWidth(false),
+ dropHeight = $dropdown.outerHeight(false),
+ $window = $(window),
+ windowWidth = $window.width(),
+ windowHeight = $window.height(),
+ viewPortRight = $window.scrollLeft() + windowWidth,
+ viewportBottom = $window.scrollTop() + windowHeight,
+ dropTop = offset.top + height,
+ dropLeft = offset.left,
+ enoughRoomBelow = dropTop + dropHeight <= viewportBottom,
+ enoughRoomAbove = (offset.top - dropHeight) >= $window.scrollTop(),
+ dropWidth = $dropdown.outerWidth(false),
+ enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight,
+ aboveNow = $dropdown.hasClass("select2-drop-above"),
+ bodyOffset,
+ above,
+ changeDirection,
+ css,
+ resultsListNode;
+
+ // always prefer the current above/below alignment, unless there is not enough room
+ if (aboveNow) {
+ above = true;
+ if (!enoughRoomAbove && enoughRoomBelow) {
+ changeDirection = true;
+ above = false;
+ }
+ } else {
+ above = false;
+ if (!enoughRoomBelow && enoughRoomAbove) {
+ changeDirection = true;
+ above = true;
+ }
+ }
+
+ //if we are changing direction we need to get positions when dropdown is hidden;
+ if (changeDirection) {
+ $dropdown.hide();
+ offset = this.container.offset();
+ height = this.container.outerHeight(false);
+ width = this.container.outerWidth(false);
+ dropHeight = $dropdown.outerHeight(false);
+ viewPortRight = $window.scrollLeft() + windowWidth;
+ viewportBottom = $window.scrollTop() + windowHeight;
+ dropTop = offset.top + height;
+ dropLeft = offset.left;
+ dropWidth = $dropdown.outerWidth(false);
+ enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight;
+ $dropdown.show();
+
+ // fix so the cursor does not move to the left within the search-textbox in IE
+ this.focusSearch();
+ }
+
+ if (this.opts.dropdownAutoWidth) {
+ resultsListNode = $('.select2-results', $dropdown)[0];
+ $dropdown.addClass('select2-drop-auto-width');
+ $dropdown.css('width', '');
+ // Add scrollbar width to dropdown if vertical scrollbar is present
+ dropWidth = $dropdown.outerWidth(false) + (resultsListNode.scrollHeight === resultsListNode.clientHeight ? 0 : scrollBarDimensions.width);
+ dropWidth > width ? width = dropWidth : dropWidth = width;
+ dropHeight = $dropdown.outerHeight(false);
+ enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight;
+ }
+ else {
+ this.container.removeClass('select2-drop-auto-width');
+ }
+
+ //console.log("below/ droptop:", dropTop, "dropHeight", dropHeight, "sum", (dropTop+dropHeight)+" viewport bottom", viewportBottom, "enough?", enoughRoomBelow);
+ //console.log("above/ offset.top", offset.top, "dropHeight", dropHeight, "top", (offset.top-dropHeight), "scrollTop", this.body.scrollTop(), "enough?", enoughRoomAbove);
+
+ // fix positioning when body has an offset and is not position: static
+ if (this.body.css('position') !== 'static') {
+ bodyOffset = this.body.offset();
+ dropTop -= bodyOffset.top;
+ dropLeft -= bodyOffset.left;
+ }
+
+ if (!enoughRoomOnRight) {
+ dropLeft = offset.left + this.container.outerWidth(false) - dropWidth;
+ }
+
+ css = {
+ left: dropLeft,
+ width: width
+ };
+
+ if (above) {
+ css.top = offset.top - dropHeight;
+ css.bottom = 'auto';
+ this.container.addClass("select2-drop-above");
+ $dropdown.addClass("select2-drop-above");
+ }
+ else {
+ css.top = dropTop;
+ css.bottom = 'auto';
+ this.container.removeClass("select2-drop-above");
+ $dropdown.removeClass("select2-drop-above");
+ }
+ css = $.extend(css, evaluate(this.opts.dropdownCss));
+
+ $dropdown.css(css);
+ },
+
+ // abstract
+ shouldOpen: function() {
+ var event;
+
+ if (this.opened()) return false;
+
+ if (this._enabled === false || this._readonly === true) return false;
+
+ event = $.Event("select2-opening");
+ this.opts.element.trigger(event);
+ return !event.isDefaultPrevented();
+ },
+
+ // abstract
+ clearDropdownAlignmentPreference: function() {
+ // clear the classes used to figure out the preference of where the dropdown should be opened
+ this.container.removeClass("select2-drop-above");
+ this.dropdown.removeClass("select2-drop-above");
+ },
+
+ /**
+ * Opens the dropdown
+ *
+ * @return {Boolean} whether or not dropdown was opened. This method will return false if, for example,
+ * the dropdown is already open, or if the 'open' event listener on the element called preventDefault().
+ */
+ // abstract
+ open: function () {
+
+ if (!this.shouldOpen()) return false;
+
+ this.opening();
+
+ return true;
+ },
+
+ /**
+ * Performs the opening of the dropdown
+ */
+ // abstract
+ opening: function() {
+ var cid = this.containerEventName,
+ scroll = "scroll." + cid,
+ resize = "resize."+cid,
+ orient = "orientationchange."+cid,
+ mask;
+
+ this.container.addClass("select2-dropdown-open").addClass("select2-container-active");
+
+ this.clearDropdownAlignmentPreference();
+
+ if(this.dropdown[0] !== this.body.children().last()[0]) {
+ this.dropdown.detach().appendTo(this.body);
+ }
+
+ // create the dropdown mask if doesn't already exist
+ mask = $("#select2-drop-mask");
+ if (mask.length == 0) {
+ mask = $(document.createElement("div"));
+ mask.attr("id","select2-drop-mask").attr("class","select2-drop-mask");
+ mask.hide();
+ mask.appendTo(this.body);
+ mask.on("mousedown touchstart click", function (e) {
+ // Prevent IE from generating a click event on the body
+ reinsertElement(mask);
+
+ var dropdown = $("#select2-drop"), self;
+ if (dropdown.length > 0) {
+ self=dropdown.data("select2");
+ if (self.opts.selectOnBlur) {
+ self.selectHighlighted({noFocus: true});
+ }
+ self.close();
+ e.preventDefault();
+ e.stopPropagation();
+ }
+ });
+ }
+
+ // ensure the mask is always right before the dropdown
+ if (this.dropdown.prev()[0] !== mask[0]) {
+ this.dropdown.before(mask);
+ }
+
+ // move the global id to the correct dropdown
+ $("#select2-drop").removeAttr("id");
+ this.dropdown.attr("id", "select2-drop");
+
+ // show the elements
+ mask.show();
+
+ this.positionDropdown();
+ this.dropdown.show();
+ this.positionDropdown();
+
+ this.dropdown.addClass("select2-drop-active");
+
+ // attach listeners to events that can change the position of the container and thus require
+ // the position of the dropdown to be updated as well so it does not come unglued from the container
+ var that = this;
+ this.container.parents().add(window).each(function () {
+ $(this).on(resize+" "+scroll+" "+orient, function (e) {
+ if (that.opened()) that.positionDropdown();
+ });
+ });
+
+
+ },
+
+ // abstract
+ close: function () {
+ if (!this.opened()) return;
+
+ var cid = this.containerEventName,
+ scroll = "scroll." + cid,
+ resize = "resize."+cid,
+ orient = "orientationchange."+cid;
+
+ // unbind event listeners
+ this.container.parents().add(window).each(function () { $(this).off(scroll).off(resize).off(orient); });
+
+ this.clearDropdownAlignmentPreference();
+
+ $("#select2-drop-mask").hide();
+ this.dropdown.removeAttr("id"); // only the active dropdown has the select2-drop id
+ this.dropdown.hide();
+ this.container.removeClass("select2-dropdown-open").removeClass("select2-container-active");
+ this.results.empty();
+
+
+ this.clearSearch();
+ this.search.removeClass("select2-active");
+ this.opts.element.trigger($.Event("select2-close"));
+ },
+
+ /**
+ * Opens control, sets input value, and updates results.
+ */
+ // abstract
+ externalSearch: function (term) {
+ this.open();
+ this.search.val(term);
+ this.updateResults(false);
+ },
+
+ // abstract
+ clearSearch: function () {
+
+ },
+
+ //abstract
+ getMaximumSelectionSize: function() {
+ return evaluate(this.opts.maximumSelectionSize);
+ },
+
+ // abstract
+ ensureHighlightVisible: function () {
+ var results = this.results, children, index, child, hb, rb, y, more;
+
+ index = this.highlight();
+
+ if (index < 0) return;
+
+ if (index == 0) {
+
+ // if the first element is highlighted scroll all the way to the top,
+ // that way any unselectable headers above it will also be scrolled
+ // into view
+
+ results.scrollTop(0);
+ return;
+ }
+
+ children = this.findHighlightableChoices().find('.select2-result-label');
+
+ child = $(children[index]);
+
+ hb = child.offset().top + child.outerHeight(true);
+
+ // if this is the last child lets also make sure select2-more-results is visible
+ if (index === children.length - 1) {
+ more = results.find("li.select2-more-results");
+ if (more.length > 0) {
+ hb = more.offset().top + more.outerHeight(true);
+ }
+ }
+
+ rb = results.offset().top + results.outerHeight(true);
+ if (hb > rb) {
+ results.scrollTop(results.scrollTop() + (hb - rb));
+ }
+ y = child.offset().top - results.offset().top;
+
+ // make sure the top of the element is visible
+ if (y < 0 && child.css('display') != 'none' ) {
+ results.scrollTop(results.scrollTop() + y); // y is negative
+ }
+ },
+
+ // abstract
+ findHighlightableChoices: function() {
+ return this.results.find(".select2-result-selectable:not(.select2-disabled):not(.select2-selected)");
+ },
+
+ // abstract
+ moveHighlight: function (delta) {
+ var choices = this.findHighlightableChoices(),
+ index = this.highlight();
+
+ while (index > -1 && index < choices.length) {
+ index += delta;
+ var choice = $(choices[index]);
+ if (choice.hasClass("select2-result-selectable") && !choice.hasClass("select2-disabled") && !choice.hasClass("select2-selected")) {
+ this.highlight(index);
+ break;
+ }
+ }
+ },
+
+ // abstract
+ highlight: function (index) {
+ var choices = this.findHighlightableChoices(),
+ choice,
+ data;
+
+ if (arguments.length === 0) {
+ return indexOf(choices.filter(".select2-highlighted")[0], choices.get());
+ }
+
+ if (index >= choices.length) index = choices.length - 1;
+ if (index < 0) index = 0;
+
+ this.removeHighlight();
+
+ choice = $(choices[index]);
+ choice.addClass("select2-highlighted");
+
+ // ensure assistive technology can determine the active choice
+ this.search.attr("aria-activedescendant", choice.find(".select2-result-label").attr("id"));
+
+ this.ensureHighlightVisible();
+
+ this.liveRegion.text(choice.text());
+
+ data = choice.data("select2-data");
+ if (data) {
+ this.opts.element.trigger({ type: "select2-highlight", val: this.id(data), choice: data });
+ }
+ },
+
+ removeHighlight: function() {
+ this.results.find(".select2-highlighted").removeClass("select2-highlighted");
+ },
+
+ touchMoved: function() {
+ this._touchMoved = true;
+ },
+
+ clearTouchMoved: function() {
+ this._touchMoved = false;
+ },
+
+ // abstract
+ countSelectableResults: function() {
+ return this.findHighlightableChoices().length;
+ },
+
+ // abstract
+ highlightUnderEvent: function (event) {
+ var el = $(event.target).closest(".select2-result-selectable");
+ if (el.length > 0 && !el.is(".select2-highlighted")) {
+ var choices = this.findHighlightableChoices();
+ this.highlight(choices.index(el));
+ } else if (el.length == 0) {
+ // if we are over an unselectable item remove all highlights
+ this.removeHighlight();
+ }
+ },
+
+ // abstract
+ loadMoreIfNeeded: function () {
+ var results = this.results,
+ more = results.find("li.select2-more-results"),
+ below, // pixels the element is below the scroll fold, below==0 is when the element is starting to be visible
+ page = this.resultsPage + 1,
+ self=this,
+ term=this.search.val(),
+ context=this.context;
+
+ if (more.length === 0) return;
+ below = more.offset().top - results.offset().top - results.height();
+
+ if (below <= this.opts.loadMorePadding) {
+ more.addClass("select2-active");
+ this.opts.query({
+ element: this.opts.element,
+ term: term,
+ page: page,
+ context: context,
+ matcher: this.opts.matcher,
+ callback: this.bind(function (data) {
+
+ // ignore a response if the select2 has been closed before it was received
+ if (!self.opened()) return;
+
+
+ self.opts.populateResults.call(this, results, data.results, {term: term, page: page, context:context});
+ self.postprocessResults(data, false, false);
+
+ if (data.more===true) {
+ more.detach().appendTo(results).text(evaluate(self.opts.formatLoadMore, page+1));
+ window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10);
+ } else {
+ more.remove();
+ }
+ self.positionDropdown();
+ self.resultsPage = page;
+ self.context = data.context;
+ this.opts.element.trigger({ type: "select2-loaded", items: data });
+ })});
+ }
+ },
+
+ /**
+ * Default tokenizer function which does nothing
+ */
+ tokenize: function() {
+
+ },
+
+ /**
+ * @param initial whether or not this is the call to this method right after the dropdown has been opened
+ */
+ // abstract
+ updateResults: function (initial) {
+ var search = this.search,
+ results = this.results,
+ opts = this.opts,
+ data,
+ self = this,
+ input,
+ term = search.val(),
+ lastTerm = $.data(this.container, "select2-last-term"),
+ // sequence number used to drop out-of-order responses
+ queryNumber;
+
+ // prevent duplicate queries against the same term
+ if (initial !== true && lastTerm && equal(term, lastTerm)) return;
+
+ $.data(this.container, "select2-last-term", term);
+
+ // if the search is currently hidden we do not alter the results
+ if (initial !== true && (this.showSearchInput === false || !this.opened())) {
+ return;
+ }
+
+ function postRender() {
+ search.removeClass("select2-active");
+ self.positionDropdown();
+ if (results.find('.select2-no-results,.select2-selection-limit,.select2-searching').length) {
+ self.liveRegion.text(results.text());
+ }
+ else {
+ self.liveRegion.text(self.opts.formatMatches(results.find('.select2-result-selectable').length));
+ }
+ }
+
+ function render(html) {
+ results.html(html);
+ postRender();
+ }
+
+ queryNumber = ++this.queryCount;
+
+ var maxSelSize = this.getMaximumSelectionSize();
+ if (maxSelSize >=1) {
+ data = this.data();
+ if ($.isArray(data) && data.length >= maxSelSize && checkFormatter(opts.formatSelectionTooBig, "formatSelectionTooBig")) {
+ render("<li class='select2-selection-limit'>" + evaluate(opts.formatSelectionTooBig, maxSelSize) + "</li>");
+ return;
+ }
+ }
+
+ if (search.val().length < opts.minimumInputLength) {
+ if (checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) {
+ render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooShort, search.val(), opts.minimumInputLength) + "</li>");
+ } else {
+ render("");
+ }
+ if (initial && this.showSearch) this.showSearch(true);
+ return;
+ }
+
+ if (opts.maximumInputLength && search.val().length > opts.maximumInputLength) {
+ if (checkFormatter(opts.formatInputTooLong, "formatInputTooLong")) {
+ render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooLong, search.val(), opts.maximumInputLength) + "</li>");
+ } else {
+ render("");
+ }
+ return;
+ }
+
+ if (opts.formatSearching && this.findHighlightableChoices().length === 0) {
+ render("<li class='select2-searching'>" + evaluate(opts.formatSearching) + "</li>");
+ }
+
+ search.addClass("select2-active");
+
+ this.removeHighlight();
+
+ // give the tokenizer a chance to pre-process the input
+ input = this.tokenize();
+ if (input != undefined && input != null) {
+ search.val(input);
+ }
+
+ this.resultsPage = 1;
+
+ opts.query({
+ element: opts.element,
+ term: search.val(),
+ page: this.resultsPage,
+ context: null,
+ matcher: opts.matcher,
+ callback: this.bind(function (data) {
+ var def; // default choice
+
+ // ignore old responses
+ if (queryNumber != this.queryCount) {
+ return;
+ }
+
+ // ignore a response if the select2 has been closed before it was received
+ if (!this.opened()) {
+ this.search.removeClass("select2-active");
+ return;
+ }
+
+ // save context, if any
+ this.context = (data.context===undefined) ? null : data.context;
+ // create a default choice and prepend it to the list
+ if (this.opts.createSearchChoice && search.val() !== "") {
+ def = this.opts.createSearchChoice.call(self, search.val(), data.results);
+ if (def !== undefined && def !== null && self.id(def) !== undefined && self.id(def) !== null) {
+ if ($(data.results).filter(
+ function () {
+ return equal(self.id(this), self.id(def));
+ }).length === 0) {
+ this.opts.createSearchChoicePosition(data.results, def);
+ }
+ }
+ }
+
+ if (data.results.length === 0 && checkFormatter(opts.formatNoMatches, "formatNoMatches")) {
+ render("<li class='select2-no-results'>" + evaluate(opts.formatNoMatches, search.val()) + "</li>");
+ return;
+ }
+
+ results.empty();
+ self.opts.populateResults.call(this, results, data.results, {term: search.val(), page: this.resultsPage, context:null});
+
+ if (data.more === true && checkFormatter(opts.formatLoadMore, "formatLoadMore")) {
+ results.append("<li class='select2-more-results'>" + self.opts.escapeMarkup(evaluate(opts.formatLoadMore, this.resultsPage)) + "</li>");
+ window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10);
+ }
+
+ this.postprocessResults(data, initial);
+
+ postRender();
+
+ this.opts.element.trigger({ type: "select2-loaded", items: data });
+ })});
+ },
+
+ // abstract
+ cancel: function () {
+ this.close();
+ },
+
+ // abstract
+ blur: function () {
+ // if selectOnBlur == true, select the currently highlighted option
+ if (this.opts.selectOnBlur)
+ this.selectHighlighted({noFocus: true});
+
+ this.close();
+ this.container.removeClass("select2-container-active");
+ // synonymous to .is(':focus'), which is available in jquery >= 1.6
+ if (this.search[0] === document.activeElement) { this.search.blur(); }
+ this.clearSearch();
+ this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");
+ },
+
+ // abstract
+ focusSearch: function () {
+ focus(this.search);
+ },
+
+ // abstract
+ selectHighlighted: function (options) {
+ if (this._touchMoved) {
+ this.clearTouchMoved();
+ return;
+ }
+ var index=this.highlight(),
+ highlighted=this.results.find(".select2-highlighted"),
+ data = highlighted.closest('.select2-result').data("select2-data");
+
+ if (data) {
+ this.highlight(index);
+ this.onSelect(data, options);
+ } else if (options && options.noFocus) {
+ this.close();
+ }
+ },
+
+ // abstract
+ getPlaceholder: function () {
+ var placeholderOption;
+ return this.opts.element.attr("placeholder") ||
+ this.opts.element.attr("data-placeholder") || // jquery 1.4 compat
+ this.opts.element.data("placeholder") ||
+ this.opts.placeholder ||
+ ((placeholderOption = this.getPlaceholderOption()) !== undefined ? placeholderOption.text() : undefined);
+ },
+
+ // abstract
+ getPlaceholderOption: function() {
+ if (this.select) {
+ var firstOption = this.select.children('option').first();
+ if (this.opts.placeholderOption !== undefined ) {
+ //Determine the placeholder option based on the specified placeholderOption setting
+ return (this.opts.placeholderOption === "first" && firstOption) ||
+ (typeof this.opts.placeholderOption === "function" && this.opts.placeholderOption(this.select));
+ } else if ($.trim(firstOption.text()) === "" && firstOption.val() === "") {
+ //No explicit placeholder option specified, use the first if it's blank
+ return firstOption;
+ }
+ }
+ },
+
+ /**
+ * Get the desired width for the container element. This is
+ * derived first from option `width` passed to select2, then
+ * the inline 'style' on the original element, and finally
+ * falls back to the jQuery calculated element width.
+ */
+ // abstract
+ initContainerWidth: function () {
+ function resolveContainerWidth() {
+ var style, attrs, matches, i, l, attr;
+
+ if (this.opts.width === "off") {
+ return null;
+ } else if (this.opts.width === "element"){
+ return this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px';
+ } else if (this.opts.width === "copy" || this.opts.width === "resolve") {
+ // check if there is inline style on the element that contains width
+ style = this.opts.element.attr('style');
+ if (style !== undefined) {
+ attrs = style.split(';');
+ for (i = 0, l = attrs.length; i < l; i = i + 1) {
+ attr = attrs[i].replace(/\s/g, '');
+ matches = attr.match(/^width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/i);
+ if (matches !== null && matches.length >= 1)
+ return matches[1];
+ }
+ }
+
+ if (this.opts.width === "resolve") {
+ // next check if css('width') can resolve a width that is percent based, this is sometimes possible
+ // when attached to input type=hidden or elements hidden via css
+ style = this.opts.element.css('width');
+ if (style.indexOf("%") > 0) return style;
+
+ // finally, fallback on the calculated width of the element
+ return (this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px');
+ }
+
+ return null;
+ } else if ($.isFunction(this.opts.width)) {
+ return this.opts.width();
+ } else {
+ return this.opts.width;
+ }
+ };
+
+ var width = resolveContainerWidth.call(this);
+ if (width !== null) {
+ this.container.css("width", width);
+ }
+ }
+ });
+
+ SingleSelect2 = clazz(AbstractSelect2, {
+
+ // single
+
+ createContainer: function () {
+ var container = $(document.createElement("div")).attr({
+ "class": "select2-container"
+ }).html([
+ "<a href='javascript:void(0)' class='select2-choice' tabindex='-1'>",
+ " <span class='select2-chosen'> </span><abbr class='select2-search-choice-close'></abbr>",
+ " <span class='select2-arrow' role='presentation'><b role='presentation'></b></span>",
+ "</a>",
+ "<label for='' class='select2-offscreen'></label>",
+ "<input class='select2-focusser select2-offscreen' type='text' aria-haspopup='true' role='button' />",
+ "<div class='select2-drop select2-display-none'>",
+ " <div class='select2-search'>",
+ " <label for='' class='select2-offscreen'></label>",
+ " <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input' role='combobox' aria-expanded='true'",
+ " aria-autocomplete='list' />",
+ " </div>",
+ " <ul class='select2-results' role='listbox'>",
+ " </ul>",
+ "</div>"].join(""));
+ return container;
+ },
+
+ // single
+ enableInterface: function() {
+ if (this.parent.enableInterface.apply(this, arguments)) {
+ this.focusser.prop("disabled", !this.isInterfaceEnabled());
+ }
+ },
+
+ // single
+ opening: function () {
+ var el, range, len;
+
+ if (this.opts.minimumResultsForSearch >= 0) {
+ this.showSearch(true);
+ }
+
+ this.parent.opening.apply(this, arguments);
+
+ if (this.showSearchInput !== false) {
+ // IE appends focusser.val() at the end of field :/ so we manually insert it at the beginning using a range
+ // all other browsers handle this just fine
+
+ this.search.val(this.focusser.val());
+ }
+ if (this.opts.shouldFocusInput(this)) {
+ this.search.focus();
+ // move the cursor to the end after focussing, otherwise it will be at the beginning and
+ // new text will appear *before* focusser.val()
+ el = this.search.get(0);
+ if (el.createTextRange) {
+ range = el.createTextRange();
+ range.collapse(false);
+ range.select();
+ } else if (el.setSelectionRange) {
+ len = this.search.val().length;
+ el.setSelectionRange(len, len);
+ }
+ }
+
+ // initializes search's value with nextSearchTerm (if defined by user)
+ // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter
+ if(this.search.val() === "") {
+ if(this.nextSearchTerm != undefined){
+ this.search.val(this.nextSearchTerm);
+ this.search.select();
+ }
+ }
+
+ this.focusser.prop("disabled", true).val("");
+ this.updateResults(true);
+ this.opts.element.trigger($.Event("select2-open"));
+ },
+
+ // single
+ close: function () {
+ if (!this.opened()) return;
+ this.parent.close.apply(this, arguments);
+
+ this.focusser.prop("disabled", false);
+
+ if (this.opts.shouldFocusInput(this)) {
+ this.focusser.focus();
+ }
+ },
+
+ // single
+ focus: function () {
+ if (this.opened()) {
+ this.close();
+ } else {
+ this.focusser.prop("disabled", false);
+ if (this.opts.shouldFocusInput(this)) {
+ this.focusser.focus();
+ }
+ }
+ },
+
+ // single
+ isFocused: function () {
+ return this.container.hasClass("select2-container-active");
+ },
+
+ // single
+ cancel: function () {
+ this.parent.cancel.apply(this, arguments);
+ this.focusser.prop("disabled", false);
+
+ if (this.opts.shouldFocusInput(this)) {
+ this.focusser.focus();
+ }
+ },
+
+ // single
+ destroy: function() {
+ $("label[for='" + this.focusser.attr('id') + "']")
+ .attr('for', this.opts.element.attr("id"));
+ this.parent.destroy.apply(this, arguments);
+
+ cleanupJQueryElements.call(this,
+ "selection",
+ "focusser"
+ );
+ },
+
+ // single
+ initContainer: function () {
+
+ var selection,
+ container = this.container,
+ dropdown = this.dropdown,
+ idSuffix = nextUid(),
+ elementLabel;
+
+ if (this.opts.minimumResultsForSearch < 0) {
+ this.showSearch(false);
+ } else {
+ this.showSearch(true);
+ }
+
+ this.selection = selection = container.find(".select2-choice");
+
+ this.focusser = container.find(".select2-focusser");
+
+ // add aria associations
+ selection.find(".select2-chosen").attr("id", "select2-chosen-"+idSuffix);
+ this.focusser.attr("aria-labelledby", "select2-chosen-"+idSuffix);
+ this.results.attr("id", "select2-results-"+idSuffix);
+ this.search.attr("aria-owns", "select2-results-"+idSuffix);
+
+ // rewrite labels from original element to focusser
+ this.focusser.attr("id", "s2id_autogen"+idSuffix);
+
+ elementLabel = $("label[for='" + this.opts.element.attr("id") + "']");
+
+ this.focusser.prev()
+ .text(elementLabel.text())
+ .attr('for', this.focusser.attr('id'));
+
+ // Ensure the original element retains an accessible name
+ var originalTitle = this.opts.element.attr("title");
+ this.opts.element.attr("title", (originalTitle || elementLabel.text()));
+
+ this.focusser.attr("tabindex", this.elementTabIndex);
+
+ // write label for search field using the label from the focusser element
+ this.search.attr("id", this.focusser.attr('id') + '_search');
+
+ this.search.prev()
+ .text($("label[for='" + this.focusser.attr('id') + "']").text())
+ .attr('for', this.search.attr('id'));
+
+ this.search.on("keydown", this.bind(function (e) {
+ if (!this.isInterfaceEnabled()) return;
+
+ if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
+ // prevent the page from scrolling
+ killEvent(e);
+ return;
+ }
+
+ switch (e.which) {
+ case KEY.UP:
+ case KEY.DOWN:
+ this.moveHighlight((e.which === KEY.UP) ? -1 : 1);
+ killEvent(e);
+ return;
+ case KEY.ENTER:
+ this.selectHighlighted();
+ killEvent(e);
+ return;
+ case KEY.TAB:
+ this.selectHighlighted({noFocus: true});
+ return;
+ case KEY.ESC:
+ this.cancel(e);
+ killEvent(e);
+ return;
+ }
+ }));
+
+ this.search.on("blur", this.bind(function(e) {
+ // a workaround for chrome to keep the search field focussed when the scroll bar is used to scroll the dropdown.
+ // without this the search field loses focus which is annoying
+ if (document.activeElement === this.body.get(0)) {
+ window.setTimeout(this.bind(function() {
+ if (this.opened()) {
+ this.search.focus();
+ }
+ }), 0);
+ }
+ }));
+
+ this.focusser.on("keydown", this.bind(function (e) {
+ if (!this.isInterfaceEnabled()) return;
+
+ if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) {
+ return;
+ }
+
+ if (this.opts.openOnEnter === false && e.which === KEY.ENTER) {
+ killEvent(e);
+ return;
+ }
+
+ if (e.which == KEY.DOWN || e.which == KEY.UP
+ || (e.which == KEY.ENTER && this.opts.openOnEnter)) {
+
+ if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) return;
+
+ this.open();
+ killEvent(e);
+ return;
+ }
+
+ if (e.which == KEY.DELETE || e.which == KEY.BACKSPACE) {
+ if (this.opts.allowClear) {
+ this.clear();
+ }
+ killEvent(e);
+ return;
+ }
+ }));
+
+
+ installKeyUpChangeEvent(this.focusser);
+ this.focusser.on("keyup-change input", this.bind(function(e) {
+ if (this.opts.minimumResultsForSearch >= 0) {
+ e.stopPropagation();
+ if (this.opened()) return;
+ this.open();
+ }
+ }));
+
+ selection.on("mousedown touchstart", "abbr", this.bind(function (e) {
+ if (!this.isInterfaceEnabled()) return;
+ this.clear();
+ killEventImmediately(e);
+ this.close();
+ this.selection.focus();
+ }));
+
+ selection.on("mousedown touchstart", this.bind(function (e) {
+ // Prevent IE from generating a click event on the body
+ reinsertElement(selection);
+
+ if (!this.container.hasClass("select2-container-active")) {
+ this.opts.element.trigger($.Event("select2-focus"));
+ }
+
+ if (this.opened()) {
+ this.close();
+ } else if (this.isInterfaceEnabled()) {
+ this.open();
+ }
+
+ killEvent(e);
+ }));
+
+ dropdown.on("mousedown touchstart", this.bind(function() {
+ if (this.opts.shouldFocusInput(this)) {
+ this.search.focus();
+ }
+ }));
+
+ selection.on("focus", this.bind(function(e) {
+ killEvent(e);
+ }));
+
+ this.focusser.on("focus", this.bind(function(){
+ if (!this.container.hasClass("select2-container-active")) {
+ this.opts.element.trigger($.Event("select2-focus"));
+ }
+ this.container.addClass("select2-container-active");
+ })).on("blur", this.bind(function() {
+ if (!this.opened()) {
+ this.container.removeClass("select2-container-active");
+ this.opts.element.trigger($.Event("select2-blur"));
+ }
+ }));
+ this.search.on("focus", this.bind(function(){
+ if (!this.container.hasClass("select2-container-active")) {
+ this.opts.element.trigger($.Event("select2-focus"));
+ }
+ this.container.addClass("select2-container-active");
+ }));
+
+ this.initContainerWidth();
+ this.opts.element.addClass("select2-offscreen");
+ this.setPlaceholder();
+
+ },
+
+ // single
+ clear: function(triggerChange) {
+ var data=this.selection.data("select2-data");
+ if (data) { // guard against queued quick consecutive clicks
+ var evt = $.Event("select2-clearing");
+ this.opts.element.trigger(evt);
+ if (evt.isDefaultPrevented()) {
+ return;
+ }
+ var placeholderOption = this.getPlaceholderOption();
+ this.opts.element.val(placeholderOption ? placeholderOption.val() : "");
+ this.selection.find(".select2-chosen").empty();
+ this.selection.removeData("select2-data");
+ this.setPlaceholder();
+
+ if (triggerChange !== false){
+ this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data });
+ this.triggerChange({removed:data});
+ }
+ }
+ },
+
+ /**
+ * Sets selection based on source element's value
+ */
+ // single
+ initSelection: function () {
+ var selected;
+ if (this.isPlaceholderOptionSelected()) {
+ this.updateSelection(null);
+ this.close();
+ this.setPlaceholder();
+ } else {
+ var self = this;
+ this.opts.initSelection.call(null, this.opts.element, function(selected){
+ if (selected !== undefined && selected !== null) {
+ self.updateSelection(selected);
+ self.close();
+ self.setPlaceholder();
+ self.nextSearchTerm = self.opts.nextSearchTerm(selected, self.search.val());
+ }
+ });
+ }
+ },
+
+ isPlaceholderOptionSelected: function() {
+ var placeholderOption;
+ if (this.getPlaceholder() === undefined) return false; // no placeholder specified so no option should be considered
+ return ((placeholderOption = this.getPlaceholderOption()) !== undefined && placeholderOption.prop("selected"))
+ || (this.opts.element.val() === "")
+ || (this.opts.element.val() === undefined)
+ || (this.opts.element.val() === null);
+ },
+
+ // single
+ prepareOpts: function () {
+ var opts = this.parent.prepareOpts.apply(this, arguments),
+ self=this;
+
+ if (opts.element.get(0).tagName.toLowerCase() === "select") {
+ // install the selection initializer
+ opts.initSelection = function (element, callback) {
+ var selected = element.find("option").filter(function() { return this.selected && !this.disabled });
+ // a single select box always has a value, no need to null check 'selected'
+ callback(self.optionToData(selected));
+ };
+ } else if ("data" in opts) {
+ // install default initSelection when applied to hidden input and data is local
+ opts.initSelection = opts.initSelection || function (element, callback) {
+ var id = element.val();
+ //search in data by id, storing the actual matching item
+ var match = null;
+ opts.query({
+ matcher: function(term, text, el){
+ var is_match = equal(id, opts.id(el));
+ if (is_match) {
+ match = el;
+ }
+ return is_match;
+ },
+ callback: !$.isFunction(callback) ? $.noop : function() {
+ callback(match);
+ }
+ });
+ };
+ }
+
+ return opts;
+ },
+
+ // single
+ getPlaceholder: function() {
+ // if a placeholder is specified on a single select without a valid placeholder option ignore it
+ if (this.select) {
+ if (this.getPlaceholderOption() === undefined) {
+ return undefined;
+ }
+ }
+
+ return this.parent.getPlaceholder.apply(this, arguments);
+ },
+
+ // single
+ setPlaceholder: function () {
+ var placeholder = this.getPlaceholder();
+
+ if (this.isPlaceholderOptionSelected() && placeholder !== undefined) {
+
+ // check for a placeholder option if attached to a select
+ if (this.select && this.getPlaceholderOption() === undefined) return;
+
+ this.selection.find(".select2-chosen").html(this.opts.escapeMarkup(placeholder));
+
+ this.selection.addClass("select2-default");
+
+ this.container.removeClass("select2-allowclear");
+ }
+ },
+
+ // single
+ postprocessResults: function (data, initial, noHighlightUpdate) {
+ var selected = 0, self = this, showSearchInput = true;
+
+ // find the selected element in the result list
+
+ this.findHighlightableChoices().each2(function (i, elm) {
+ if (equal(self.id(elm.data("select2-data")), self.opts.element.val())) {
+ selected = i;
+ return false;
+ }
+ });
+
+ // and highlight it
+ if (noHighlightUpdate !== false) {
+ if (initial === true && selected >= 0) {
+ this.highlight(selected);
+ } else {
+ this.highlight(0);
+ }
+ }
+
+ // hide the search box if this is the first we got the results and there are enough of them for search
+
+ if (initial === true) {
+ var min = this.opts.minimumResultsForSearch;
+ if (min >= 0) {
+ this.showSearch(countResults(data.results) >= min);
+ }
+ }
+ },
+
+ // single
+ showSearch: function(showSearchInput) {
+ if (this.showSearchInput === showSearchInput) return;
+
+ this.showSearchInput = showSearchInput;
+
+ this.dropdown.find(".select2-search").toggleClass("select2-search-hidden", !showSearchInput);
+ this.dropdown.find(".select2-search").toggleClass("select2-offscreen", !showSearchInput);
+ //add "select2-with-searchbox" to the container if search box is shown
+ $(this.dropdown, this.container).toggleClass("select2-with-searchbox", showSearchInput);
+ },
+
+ // single
+ onSelect: function (data, options) {
+
+ if (!this.triggerSelect(data)) { return; }
+
+ var old = this.opts.element.val(),
+ oldData = this.data();
+
+ this.opts.element.val(this.id(data));
+ this.updateSelection(data);
+
+ this.opts.element.trigger({ type: "select2-selected", val: this.id(data), choice: data });
+
+ this.nextSearchTerm = this.opts.nextSearchTerm(data, this.search.val());
+ this.close();
+
+ if ((!options || !options.noFocus) && this.opts.shouldFocusInput(this)) {
+ this.focusser.focus();
+ }
+
+ if (!equal(old, this.id(data))) {
+ this.triggerChange({ added: data, removed: oldData });
+ }
+ },
+
+ // single
+ updateSelection: function (data) {
+
+ var container=this.selection.find(".select2-chosen"), formatted, cssClass;
+
+ this.selection.data("select2-data", data);
+
+ container.empty();
+ if (data !== null) {
+ formatted=this.opts.formatSelection(data, container, this.opts.escapeMarkup);
+ }
+ if (formatted !== undefined) {
+ container.append(formatted);
+ }
+ cssClass=this.opts.formatSelectionCssClass(data, container);
+ if (cssClass !== undefined) {
+ container.addClass(cssClass);
+ }
+
+ this.selection.removeClass("select2-default");
+
+ if (this.opts.allowClear && this.getPlaceholder() !== undefined) {
+ this.container.addClass("select2-allowclear");
+ }
+ },
+
+ // single
+ val: function () {
+ var val,
+ triggerChange = false,
+ data = null,
+ self = this,
+ oldData = this.data();
+
+ if (arguments.length === 0) {
+ return this.opts.element.val();
+ }
+
+ val = arguments[0];
+
+ if (arguments.length > 1) {
+ triggerChange = arguments[1];
+ }
+
+ if (this.select) {
+ this.select
+ .val(val)
+ .find("option").filter(function() { return this.selected }).each2(function (i, elm) {
+ data = self.optionToData(elm);
+ return false;
+ });
+ this.updateSelection(data);
+ this.setPlaceholder();
+ if (triggerChange) {
+ this.triggerChange({added: data, removed:oldData});
+ }
+ } else {
+ // val is an id. !val is true for [undefined,null,'',0] - 0 is legal
+ if (!val && val !== 0) {
+ this.clear(triggerChange);
+ return;
+ }
+ if (this.opts.initSelection === undefined) {
+ throw new Error("cannot call val() if initSelection() is not defined");
+ }
+ this.opts.element.val(val);
+ this.opts.initSelection(this.opts.element, function(data){
+ self.opts.element.val(!data ? "" : self.id(data));
+ self.updateSelection(data);
+ self.setPlaceholder();
+ if (triggerChange) {
+ self.triggerChange({added: data, removed:oldData});
+ }
+ });
+ }
+ },
+
+ // single
+ clearSearch: function () {
+ this.search.val("");
+ this.focusser.val("");
+ },
+
+ // single
+ data: function(value) {
+ var data,
+ triggerChange = false;
+
+ if (arguments.length === 0) {
+ data = this.selection.data("select2-data");
+ if (data == undefined) data = null;
+ return data;
+ } else {
+ if (arguments.length > 1) {
+ triggerChange = arguments[1];
+ }
+ if (!value) {
+ this.clear(triggerChange);
+ } else {
+ data = this.data();
+ this.opts.element.val(!value ? "" : this.id(value));
+ this.updateSelection(value);
+ if (triggerChange) {
+ this.triggerChange({added: value, removed:data});
+ }
+ }
+ }
+ }
+ });
+
+ MultiSelect2 = clazz(AbstractSelect2, {
+
+ // multi
+ createContainer: function () {
+ var container = $(document.createElement("div")).attr({
+ "class": "select2-container select2-container-multi"
+ }).html([
+ "<ul class='select2-choices'>",
+ " <li class='select2-search-field'>",
+ " <label for='' class='select2-offscreen'></label>",
+ " <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input'>",
+ " </li>",
+ "</ul>",
+ "<div class='select2-drop select2-drop-multi select2-display-none'>",
+ " <ul class='select2-results'>",
+ " </ul>",
+ "</div>"].join(""));
+ return container;
+ },
+
+ // multi
+ prepareOpts: function () {
+ var opts = this.parent.prepareOpts.apply(this, arguments),
+ self=this;
+
+ // TODO validate placeholder is a string if specified
+
+ if (opts.element.get(0).tagName.toLowerCase() === "select") {
+ // install the selection initializer
+ opts.initSelection = function (element, callback) {
+
+ var data = [];
+
+ element.find("option").filter(function() { return this.selected && !this.disabled }).each2(function (i, elm) {
+ data.push(self.optionToData(elm));
+ });
+ callback(data);
+ };
+ } else if ("data" in opts) {
+ // install default initSelection when applied to hidden input and data is local
+ opts.initSelection = opts.initSelection || function (element, callback) {
+ var ids = splitVal(element.val(), opts.separator);
+ //search in data by array of ids, storing matching items in a list
+ var matches = [];
+ opts.query({
+ matcher: function(term, text, el){
+ var is_match = $.grep(ids, function(id) {
+ return equal(id, opts.id(el));
+ }).length;
+ if (is_match) {
+ matches.push(el);
+ }
+ return is_match;
+ },
+ callback: !$.isFunction(callback) ? $.noop : function() {
+ // reorder matches based on the order they appear in the ids array because right now
+ // they are in the order in which they appear in data array
+ var ordered = [];
+ for (var i = 0; i < ids.length; i++) {
+ var id = ids[i];
+ for (var j = 0; j < matches.length; j++) {
+ var match = matches[j];
+ if (equal(id, opts.id(match))) {
+ ordered.push(match);
+ matches.splice(j, 1);
+ break;
+ }
+ }
+ }
+ callback(ordered);
+ }
+ });
+ };
+ }
+
+ return opts;
+ },
+
+ // multi
+ selectChoice: function (choice) {
+
+ var selected = this.container.find(".select2-search-choice-focus");
+ if (selected.length && choice && choice[0] == selected[0]) {
+
+ } else {
+ if (selected.length) {
+ this.opts.element.trigger("choice-deselected", selected);
+ }
+ selected.removeClass("select2-search-choice-focus");
+ if (choice && choice.length) {
+ this.close();
+ choice.addClass("select2-search-choice-focus");
+ this.opts.element.trigger("choice-selected", choice);
+ }
+ }
+ },
+
+ // multi
+ destroy: function() {
+ $("label[for='" + this.search.attr('id') + "']")
+ .attr('for', this.opts.element.attr("id"));
+ this.parent.destroy.apply(this, arguments);
+
+ cleanupJQueryElements.call(this,
+ "searchContainer",
+ "selection"
+ );
+ },
+
+ // multi
+ initContainer: function () {
+
+ var selector = ".select2-choices", selection;
+
+ this.searchContainer = this.container.find(".select2-search-field");
+ this.selection = selection = this.container.find(selector);
+
+ var _this = this;
+ this.selection.on("click", ".select2-search-choice:not(.select2-locked)", function (e) {
+ //killEvent(e);
+ _this.search[0].focus();
+ _this.selectChoice($(this));
+ });
+
+ // rewrite labels from original element to focusser
+ this.search.attr("id", "s2id_autogen"+nextUid());
+
+ this.search.prev()
+ .text($("label[for='" + this.opts.element.attr("id") + "']").text())
+ .attr('for', this.search.attr('id'));
+
+ this.search.on("input paste", this.bind(function() {
+ if (!this.isInterfaceEnabled()) return;
+ if (!this.opened()) {
+ this.open();
+ }
+ }));
+
+ this.search.attr("tabindex", this.elementTabIndex);
+
+ this.keydowns = 0;
+ this.search.on("keydown", this.bind(function (e) {
+ if (!this.isInterfaceEnabled()) return;
+
+ ++this.keydowns;
+ var selected = selection.find(".select2-search-choice-focus");
+ var prev = selected.prev(".select2-search-choice:not(.select2-locked)");
+ var next = selected.next(".select2-search-choice:not(.select2-locked)");
+ var pos = getCursorInfo(this.search);
+
+ if (selected.length &&
+ (e.which == KEY.LEFT || e.which == KEY.RIGHT || e.which == KEY.BACKSPACE || e.which == KEY.DELETE || e.which == KEY.ENTER)) {
+ var selectedChoice = selected;
+ if (e.which == KEY.LEFT && prev.length) {
+ selectedChoice = prev;
+ }
+ else if (e.which == KEY.RIGHT) {
+ selectedChoice = next.length ? next : null;
+ }
+ else if (e.which === KEY.BACKSPACE) {
+ if (this.unselect(selected.first())) {
+ this.search.width(10);
+ selectedChoice = prev.length ? prev : next;
+ }
+ } else if (e.which == KEY.DELETE) {
+ if (this.unselect(selected.first())) {
+ this.search.width(10);
+ selectedChoice = next.length ? next : null;
+ }
+ } else if (e.which == KEY.ENTER) {
+ selectedChoice = null;
+ }
+
+ this.selectChoice(selectedChoice);
+ killEvent(e);
+ if (!selectedChoice || !selectedChoice.length) {
+ this.open();
+ }
+ return;
+ } else if (((e.which === KEY.BACKSPACE && this.keydowns == 1)
+ || e.which == KEY.LEFT) && (pos.offset == 0 && !pos.length)) {
+
+ this.selectChoice(selection.find(".select2-search-choice:not(.select2-locked)").last());
+ killEvent(e);
+ return;
+ } else {
+ this.selectChoice(null);
+ }
+
+ if (this.opened()) {
+ switch (e.which) {
+ case KEY.UP:
+ case KEY.DOWN:
+ this.moveHighlight((e.which === KEY.UP) ? -1 : 1);
+ killEvent(e);
+ return;
+ case KEY.ENTER:
+ this.selectHighlighted();
+ killEvent(e);
+ return;
+ case KEY.TAB:
+ this.selectHighlighted({noFocus:true});
+ this.close();
+ return;
+ case KEY.ESC:
+ this.cancel(e);
+ killEvent(e);
+ return;
+ }
+ }
+
+ if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e)
+ || e.which === KEY.BACKSPACE || e.which === KEY.ESC) {
+ return;
+ }
+
+ if (e.which === KEY.ENTER) {
+ if (this.opts.openOnEnter === false) {
+ return;
+ } else if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) {
+ return;
+ }
+ }
+
+ this.open();
+
+ if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
+ // prevent the page from scrolling
+ killEvent(e);
+ }
+
+ if (e.which === KEY.ENTER) {
+ // prevent form from being submitted
+ killEvent(e);
+ }
+
+ }));
+
+ this.search.on("keyup", this.bind(function (e) {
+ this.keydowns = 0;
+ this.resizeSearch();
+ })
+ );
+
+ this.search.on("blur", this.bind(function(e) {
+ this.container.removeClass("select2-container-active");
+ this.search.removeClass("select2-focused");
+ this.selectChoice(null);
+ if (!this.opened()) this.clearSearch();
+ e.stopImmediatePropagation();
+ this.opts.element.trigger($.Event("select2-blur"));
+ }));
+
+ this.container.on("click", selector, this.bind(function (e) {
+ if (!this.isInterfaceEnabled()) return;
+ if ($(e.target).closest(".select2-search-choice").length > 0) {
+ // clicked inside a select2 search choice, do not open
+ return;
+ }
+ this.selectChoice(null);
+ this.clearPlaceholder();
+ if (!this.container.hasClass("select2-container-active")) {
+ this.opts.element.trigger($.Event("select2-focus"));
+ }
+ this.open();
+ this.focusSearch();
+ e.preventDefault();
+ }));
+
+ this.container.on("focus", selector, this.bind(function () {
+ if (!this.isInterfaceEnabled()) return;
+ if (!this.container.hasClass("select2-container-active")) {
+ this.opts.element.trigger($.Event("select2-focus"));
+ }
+ this.container.addClass("select2-container-active");
+ this.dropdown.addClass("select2-drop-active");
+ this.clearPlaceholder();
+ }));
+
+ this.initContainerWidth();
+ this.opts.element.addClass("select2-offscreen");
+
+ // set the placeholder if necessary
+ this.clearSearch();
+ },
+
+ // multi
+ enableInterface: function() {
+ if (this.parent.enableInterface.apply(this, arguments)) {
+ this.search.prop("disabled", !this.isInterfaceEnabled());
+ }
+ },
+
+ // multi
+ initSelection: function () {
+ var data;
+ if (this.opts.element.val() === "" && this.opts.element.text() === "") {
+ this.updateSelection([]);
+ this.close();
+ // set the placeholder if necessary
+ this.clearSearch();
+ }
+ if (this.select || this.opts.element.val() !== "") {
+ var self = this;
+ this.opts.initSelection.call(null, this.opts.element, function(data){
+ if (data !== undefined && data !== null) {
+ self.updateSelection(data);
+ self.close();
+ // set the placeholder if necessary
+ self.clearSearch();
+ }
+ });
+ }
+ },
+
+ // multi
+ clearSearch: function () {
+ var placeholder = this.getPlaceholder(),
+ maxWidth = this.getMaxSearchWidth();
+
+ if (placeholder !== undefined && this.getVal().length === 0 && this.search.hasClass("select2-focused") === false) {
+ this.search.val(placeholder).addClass("select2-default");
+ // stretch the search box to full width of the container so as much of the placeholder is visible as possible
+ // we could call this.resizeSearch(), but we do not because that requires a sizer and we do not want to create one so early because of a firefox bug, see #944
+ this.search.width(maxWidth > 0 ? maxWidth : this.container.css("width"));
+ } else {
+ this.search.val("").width(10);
+ }
+ },
+
+ // multi
+ clearPlaceholder: function () {
+ if (this.search.hasClass("select2-default")) {
+ this.search.val("").removeClass("select2-default");
+ }
+ },
+
+ // multi
+ opening: function () {
+ this.clearPlaceholder(); // should be done before super so placeholder is not used to search
+ this.resizeSearch();
+
+ this.parent.opening.apply(this, arguments);
+
+ this.focusSearch();
+
+ // initializes search's value with nextSearchTerm (if defined by user)
+ // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter
+ if(this.search.val() === "") {
+ if(this.nextSearchTerm != undefined){
+ this.search.val(this.nextSearchTerm);
+ this.search.select();
+ }
+ }
+
+ this.updateResults(true);
+ if (this.opts.shouldFocusInput(this)) {
+ this.search.focus();
+ }
+ this.opts.element.trigger($.Event("select2-open"));
+ },
+
+ // multi
+ close: function () {
+ if (!this.opened()) return;
+ this.parent.close.apply(this, arguments);
+ },
+
+ // multi
+ focus: function () {
+ this.close();
+ this.search.focus();
+ },
+
+ // multi
+ isFocused: function () {
+ return this.search.hasClass("select2-focused");
+ },
+
+ // multi
+ updateSelection: function (data) {
+ var ids = [], filtered = [], self = this;
+
+ // filter out duplicates
+ $(data).each(function () {
+ if (indexOf(self.id(this), ids) < 0) {
+ ids.push(self.id(this));
+ filtered.push(this);
+ }
+ });
+ data = filtered;
+
+ this.selection.find(".select2-search-choice").remove();
+ $(data).each(function () {
+ self.addSelectedChoice(this);
+ });
+ self.postprocessResults();
+ },
+
+ // multi
+ tokenize: function() {
+ var input = this.search.val();
+ input = this.opts.tokenizer.call(this, input, this.data(), this.bind(this.onSelect), this.opts);
+ if (input != null && input != undefined) {
+ this.search.val(input);
+ if (input.length > 0) {
+ this.open();
+ }
+ }
+
+ },
+
+ // multi
+ onSelect: function (data, options) {
+
+ if (!this.triggerSelect(data)) { return; }
+
+ this.addSelectedChoice(data);
+
+ this.opts.element.trigger({ type: "selected", val: this.id(data), choice: data });
+
+ // keep track of the search's value before it gets cleared
+ this.nextSearchTerm = this.opts.nextSearchTerm(data, this.search.val());
+
+ this.clearSearch();
+ this.updateResults();
+
+ if (this.select || !this.opts.closeOnSelect) this.postprocessResults(data, false, this.opts.closeOnSelect===true);
+
+ if (this.opts.closeOnSelect) {
+ this.close();
+ this.search.width(10);
+ } else {
+ if (this.countSelectableResults()>0) {
+ this.search.width(10);
+ this.resizeSearch();
+ if (this.getMaximumSelectionSize() > 0 && this.val().length >= this.getMaximumSelectionSize()) {
+ // if we reached max selection size repaint the results so choices
+ // are replaced with the max selection reached message
+ this.updateResults(true);
+ } else {
+ // initializes search's value with nextSearchTerm and update search result
+ if(this.nextSearchTerm != undefined){
+ this.search.val(this.nextSearchTerm);
+ this.updateResults();
+ this.search.select();
+ }
+ }
+ this.positionDropdown();
+ } else {
+ // if nothing left to select close
+ this.close();
+ this.search.width(10);
+ }
+ }
+
+ // since its not possible to select an element that has already been
+ // added we do not need to check if this is a new element before firing change
+ this.triggerChange({ added: data });
+
+ if (!options || !options.noFocus)
+ this.focusSearch();
+ },
+
+ // multi
+ cancel: function () {
+ this.close();
+ this.focusSearch();
+ },
+
+ addSelectedChoice: function (data) {
+ var enableChoice = !data.locked,
+ enabledItem = $(
+ "<li class='select2-search-choice'>" +
+ " <div></div>" +
+ " <a href='#' class='select2-search-choice-close' tabindex='-1'></a>" +
+ "</li>"),
+ disabledItem = $(
+ "<li class='select2-search-choice select2-locked'>" +
+ "<div></div>" +
+ "</li>");
+ var choice = enableChoice ? enabledItem : disabledItem,
+ id = this.id(data),
+ val = this.getVal(),
+ formatted,
+ cssClass;
+
+ formatted=this.opts.formatSelection(data, choice.find("div"), this.opts.escapeMarkup);
+ if (formatted != undefined) {
+ choice.find("div").replaceWith("<div>"+formatted+"</div>");
+ }
+ cssClass=this.opts.formatSelectionCssClass(data, choice.find("div"));
+ if (cssClass != undefined) {
+ choice.addClass(cssClass);
+ }
+
+ if(enableChoice){
+ choice.find(".select2-search-choice-close")
+ .on("mousedown", killEvent)
+ .on("click dblclick", this.bind(function (e) {
+ if (!this.isInterfaceEnabled()) return;
+
+ this.unselect($(e.target));
+ this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");
+ killEvent(e);
+ this.close();
+ this.focusSearch();
+ })).on("focus", this.bind(function () {
+ if (!this.isInterfaceEnabled()) return;
+ this.container.addClass("select2-container-active");
+ this.dropdown.addClass("select2-drop-active");
+ }));
+ }
+
+ choice.data("select2-data", data);
+ choice.insertBefore(this.searchContainer);
+
+ val.push(id);
+ this.setVal(val);
+ },
+
+ // multi
+ unselect: function (selected) {
+ var val = this.getVal(),
+ data,
+ index;
+ selected = selected.closest(".select2-search-choice");
+
+ if (selected.length === 0) {
+ throw "Invalid argument: " + selected + ". Must be .select2-search-choice";
+ }
+
+ data = selected.data("select2-data");
+
+ if (!data) {
+ // prevent a race condition when the 'x' is clicked really fast repeatedly the event can be queued
+ // and invoked on an element already removed
+ return;
+ }
+
+ var evt = $.Event("select2-removing");
+ evt.val = this.id(data);
+ evt.choice = data;
+ this.opts.element.trigger(evt);
+
+ if (evt.isDefaultPrevented()) {
+ return false;
+ }
+
+ while((index = indexOf(this.id(data), val)) >= 0) {
+ val.splice(index, 1);
+ this.setVal(val);
+ if (this.select) this.postprocessResults();
+ }
+
+ selected.remove();
+
+ this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data });
+ this.triggerChange({ removed: data });
+
+ return true;
+ },
+
+ // multi
+ postprocessResults: function (data, initial, noHighlightUpdate) {
+ var val = this.getVal(),
+ choices = this.results.find(".select2-result"),
+ compound = this.results.find(".select2-result-with-children"),
+ self = this;
+
+ choices.each2(function (i, choice) {
+ var id = self.id(choice.data("select2-data"));
+ if (indexOf(id, val) >= 0) {
+ choice.addClass("select2-selected");
+ // mark all children of the selected parent as selected
+ choice.find(".select2-result-selectable").addClass("select2-selected");
+ }
+ });
+
+ compound.each2(function(i, choice) {
+ // hide an optgroup if it doesn't have any selectable children
+ if (!choice.is('.select2-result-selectable')
+ && choice.find(".select2-result-selectable:not(.select2-selected)").length === 0) {
+ choice.addClass("select2-selected");
+ }
+ });
+
+ if (this.highlight() == -1 && noHighlightUpdate !== false){
+ self.highlight(0);
+ }
+
+ //If all results are chosen render formatNoMatches
+ if(!this.opts.createSearchChoice && !choices.filter('.select2-result:not(.select2-selected)').length > 0){
+ if(!data || data && !data.more && this.results.find(".select2-no-results").length === 0) {
+ if (checkFormatter(self.opts.formatNoMatches, "formatNoMatches")) {
+ this.results.append("<li class='select2-no-results'>" + evaluate(self.opts.formatNoMatches, self.search.val()) + "</li>");
+ }
+ }
+ }
+
+ },
+
+ // multi
+ getMaxSearchWidth: function() {
+ return this.selection.width() - getSideBorderPadding(this.search);
+ },
+
+ // multi
+ resizeSearch: function () {
+ var minimumWidth, left, maxWidth, containerLeft, searchWidth,
+ sideBorderPadding = getSideBorderPadding(this.search);
+
+ minimumWidth = measureTextWidth(this.search) + 10;
+
+ left = this.search.offset().left;
+
+ maxWidth = this.selection.width();
+ containerLeft = this.selection.offset().left;
+
+ searchWidth = maxWidth - (left - containerLeft) - sideBorderPadding;
+
+ if (searchWidth < minimumWidth) {
+ searchWidth = maxWidth - sideBorderPadding;
+ }
+
+ if (searchWidth < 40) {
+ searchWidth = maxWidth - sideBorderPadding;
+ }
+
+ if (searchWidth <= 0) {
+ searchWidth = minimumWidth;
+ }
+
+ this.search.width(Math.floor(searchWidth));
+ },
+
+ // multi
+ getVal: function () {
+ var val;
+ if (this.select) {
+ val = this.select.val();
+ return val === null ? [] : val;
+ } else {
+ val = this.opts.element.val();
+ return splitVal(val, this.opts.separator);
+ }
+ },
+
+ // multi
+ setVal: function (val) {
+ var unique;
+ if (this.select) {
+ this.select.val(val);
+ } else {
+ unique = [];
+ // filter out duplicates
+ $(val).each(function () {
+ if (indexOf(this, unique) < 0) unique.push(this);
+ });
+ this.opts.element.val(unique.length === 0 ? "" : unique.join(this.opts.separator));
+ }
+ },
+
+ // multi
+ buildChangeDetails: function (old, current) {
+ var current = current.slice(0),
+ old = old.slice(0);
+
+ // remove intersection from each array
+ for (var i = 0; i < current.length; i++) {
+ for (var j = 0; j < old.length; j++) {
+ if (equal(this.opts.id(current[i]), this.opts.id(old[j]))) {
+ current.splice(i, 1);
+ if(i>0){
+ i--;
+ }
+ old.splice(j, 1);
+ j--;
+ }
+ }
+ }
+
+ return {added: current, removed: old};
+ },
+
+
+ // multi
+ val: function (val, triggerChange) {
+ var oldData, self=this;
+
+ if (arguments.length === 0) {
+ return this.getVal();
+ }
+
+ oldData=this.data();
+ if (!oldData.length) oldData=[];
+
+ // val is an id. !val is true for [undefined,null,'',0] - 0 is legal
+ if (!val && val !== 0) {
+ this.opts.element.val("");
+ this.updateSelection([]);
+ this.clearSearch();
+ if (triggerChange) {
+ this.triggerChange({added: this.data(), removed: oldData});
+ }
+ return;
+ }
+
+ // val is a list of ids
+ this.setVal(val);
+
+ if (this.select) {
+ this.opts.initSelection(this.select, this.bind(this.updateSelection));
+ if (triggerChange) {
+ this.triggerChange(this.buildChangeDetails(oldData, this.data()));
+ }
+ } else {
+ if (this.opts.initSelection === undefined) {
+ throw new Error("val() cannot be called if initSelection() is not defined");
+ }
+
+ this.opts.initSelection(this.opts.element, function(data){
+ var ids=$.map(data, self.id);
+ self.setVal(ids);
+ self.updateSelection(data);
+ self.clearSearch();
+ if (triggerChange) {
+ self.triggerChange(self.buildChangeDetails(oldData, self.data()));
+ }
+ });
+ }
+ this.clearSearch();
+ },
+
+ // multi
+ onSortStart: function() {
+ if (this.select) {
+ throw new Error("Sorting of elements is not supported when attached to <select>. Attach to <input type='hidden'/> instead.");
+ }
+
+ // collapse search field into 0 width so its container can be collapsed as well
+ this.search.width(0);
+ // hide the container
+ this.searchContainer.hide();
+ },
+
+ // multi
+ onSortEnd:function() {
+
+ var val=[], self=this;
+
+ // show search and move it to the end of the list
+ this.searchContainer.show();
+ // make sure the search container is the last item in the list
+ this.searchContainer.appendTo(this.searchContainer.parent());
+ // since we collapsed the width in dragStarted, we resize it here
+ this.resizeSearch();
+
+ // update selection
+ this.selection.find(".select2-search-choice").each(function() {
+ val.push(self.opts.id($(this).data("select2-data")));
+ });
+ this.setVal(val);
+ this.triggerChange();
+ },
+
+ // multi
+ data: function(values, triggerChange) {
+ var self=this, ids, old;
+ if (arguments.length === 0) {
+ return this.selection
+ .children(".select2-search-choice")
+ .map(function() { return $(this).data("select2-data"); })
+ .get();
+ } else {
+ old = this.data();
+ if (!values) { values = []; }
+ ids = $.map(values, function(e) { return self.opts.id(e); });
+ this.setVal(ids);
+ this.updateSelection(values);
+ this.clearSearch();
+ if (triggerChange) {
+ this.triggerChange(this.buildChangeDetails(old, this.data()));
+ }
+ }
+ }
+ });
+
+ $.fn.select2 = function () {
+
+ var args = Array.prototype.slice.call(arguments, 0),
+ opts,
+ select2,
+ method, value, multiple,
+ allowedMethods = ["val", "destroy", "opened", "open", "close", "focus", "isFocused", "container", "dropdown", "onSortStart", "onSortEnd", "enable", "disable", "readonly", "positionDropdown", "data", "search"],
+ valueMethods = ["opened", "isFocused", "container", "dropdown"],
+ propertyMethods = ["val", "data"],
+ methodsMap = { search: "externalSearch" };
+
+ this.each(function () {
+ if (args.length === 0 || typeof(args[0]) === "object") {
+ opts = args.length === 0 ? {} : $.extend({}, args[0]);
+ opts.element = $(this);
+
+ if (opts.element.get(0).tagName.toLowerCase() === "select") {
+ multiple = opts.element.prop("multiple");
+ } else {
+ multiple = opts.multiple || false;
+ if ("tags" in opts) {opts.multiple = multiple = true;}
+ }
+
+ select2 = multiple ? new window.Select2["class"].multi() : new window.Select2["class"].single();
+ select2.init(opts);
+ } else if (typeof(args[0]) === "string") {
+
+ if (indexOf(args[0], allowedMethods) < 0) {
+ throw "Unknown method: " + args[0];
+ }
+
+ value = undefined;
+ select2 = $(this).data("select2");
+ if (select2 === undefined) return;
+
+ method=args[0];
+
+ if (method === "container") {
+ value = select2.container;
+ } else if (method === "dropdown") {
+ value = select2.dropdown;
+ } else {
+ if (methodsMap[method]) method = methodsMap[method];
+
+ value = select2[method].apply(select2, args.slice(1));
+ }
+ if (indexOf(args[0], valueMethods) >= 0
+ || (indexOf(args[0], propertyMethods) >= 0 && args.length == 1)) {
+ return false; // abort the iteration, ready to return first matched value
+ }
+ } else {
+ throw "Invalid arguments to select2 plugin: " + args;
+ }
+ });
+ return (value === undefined) ? this : value;
+ };
+
+ // plugin defaults, accessible to users
+ $.fn.select2.defaults = {
+ width: "copy",
+ loadMorePadding: 0,
+ closeOnSelect: true,
+ openOnEnter: true,
+ containerCss: {},
+ dropdownCss: {},
+ containerCssClass: "",
+ dropdownCssClass: "",
+ formatResult: function(result, container, query, escapeMarkup) {
+ var markup=[];
+ markMatch(result.text, query.term, markup, escapeMarkup);
+ return markup.join("");
+ },
+ formatSelection: function (data, container, escapeMarkup) {
+ return data ? escapeMarkup(data.text) : undefined;
+ },
+ sortResults: function (results, container, query) {
+ return results;
+ },
+ formatResultCssClass: function(data) {return data.css;},
+ formatSelectionCssClass: function(data, container) {return undefined;},
+ formatMatches: function (matches) { return matches + " results are available, use up and down arrow keys to navigate."; },
+ formatNoMatches: function () { return "No matches found"; },
+ formatInputTooShort: function (input, min) { var n = min - input.length; return "Please enter " + n + " or more character" + (n == 1? "" : "s"); },
+ formatInputTooLong: function (input, max) { var n = input.length - max; return "Please delete " + n + " character" + (n == 1? "" : "s"); },
+ formatSelectionTooBig: function (limit) { return "You can only select " + limit + " item" + (limit == 1 ? "" : "s"); },
+ formatLoadMore: function (pageNumber) { return "Loading more results…"; },
+ formatSearching: function () { return "Searching…"; },
+ minimumResultsForSearch: 0,
+ minimumInputLength: 0,
+ maximumInputLength: null,
+ maximumSelectionSize: 0,
+ id: function (e) { return e == undefined ? null : e.id; },
+ matcher: function(term, text) {
+ return stripDiacritics(''+text).toUpperCase().indexOf(stripDiacritics(''+term).toUpperCase()) >= 0;
+ },
+ separator: ",",
+ tokenSeparators: [],
+ tokenizer: defaultTokenizer,
+ escapeMarkup: defaultEscapeMarkup,
+ blurOnChange: false,
+ selectOnBlur: false,
+ adaptContainerCssClass: function(c) { return c; },
+ adaptDropdownCssClass: function(c) { return null; },
+ nextSearchTerm: function(selectedObject, currentSearchTerm) { return undefined; },
+ searchInputPlaceholder: '',
+ createSearchChoicePosition: 'top',
+ shouldFocusInput: function (instance) {
+ // Attempt to detect touch devices
+ var supportsTouchEvents = (('ontouchstart' in window) ||
+ (navigator.msMaxTouchPoints > 0));
+
+ // Only devices which support touch events should be special cased
+ if (!supportsTouchEvents) {
+ return true;
+ }
+
+ // Never focus the input if search is disabled
+ if (instance.opts.minimumResultsForSearch < 0) {
+ return false;
+ }
+
+ return true;
+ }
+ };
+
+ $.fn.select2.ajaxDefaults = {
+ transport: $.ajax,
+ params: {
+ type: "GET",
+ cache: false,
+ dataType: "json"
+ }
+ };
+
+ // exports
+ window.Select2 = {
+ query: {
+ ajax: ajax,
+ local: local,
+ tags: tags
+ }, util: {
+ debounce: debounce,
+ markMatch: markMatch,
+ escapeMarkup: defaultEscapeMarkup,
+ stripDiacritics: stripDiacritics
+ }, "class": {
+ "abstract": AbstractSelect2,
+ "single": SingleSelect2,
+ "multi": MultiSelect2
+ }
+ };
+
+}(jQuery));
projects / nextcloud-server.git / commitdiff