mirror of
https://github.com/the-djmaze/snappymail.git
synced 2024-09-20 23:55:55 +08:00
706 lines
17 KiB
JavaScript
706 lines
17 KiB
JavaScript
/**
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* Inputosaurus Text
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*
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* Must be instantiated on an <input> element
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* Allows multiple input items. Each item is represented with a removable tag that appears to be inside the input area.
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*
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* @requires:
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*
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* jQuery 1.7+
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* jQueryUI 1.8+ Core
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*
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* @version 0.1.6
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* @author Dan Kielp <dan@sproutsocial.com>
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* @created October 3,2012
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*
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* @modified by RainLoop Team
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* @modified by DJMaze
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*/
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(function($) {
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var inputosaurustext = {
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version: "0.1.6",
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fakeSpan: $('<span class="inputosaurus-fake-span"></span>'),
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eventprefix: "inputosaurus",
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options: {
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// bindable events
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//
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// 'change' - triggered whenever a tag is added or removed (should be similar to binding the the change event of the instantiated input
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// 'keyup' - keyup event on the newly created input
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// while typing, the user can separate values using these delimiters
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// the value tags are created on the fly when an inputDelimiter is detected
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inputDelimiters : [',', ';'],
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// this separator is used to rejoin all input items back to the value of the original <input>
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outputDelimiter : ',',
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allowDuplicates : false,
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allowDragAndDrop : true,
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focusCallback : null,
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parseOnBlur : false,
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// optional wrapper for widget
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wrapperElement : null,
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width : null,
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// simply passing an autoComplete source (array, string or function) will instantiate autocomplete functionality
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autoCompleteSource : '',
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// When forcing users to select from the autocomplete list, allow them to press 'Enter' to select an item if it's the only option left.
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activateFinalResult : false,
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// manipulate and return the input value after parseInput() parsing
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// the array of tag names is passed and expected to be returned as an array after manipulation
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parseHook : null,
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elementHook : null,
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// define a placeholder to display when the input is empty
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placeholder: null
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},
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_create: function() {
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var widget = this,
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els = {},
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o = widget.options,
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placeholder = o.placeholder || this.element.attr('placeholder') || null;
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this._chosenValues = [];
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// Create the elements
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els.ul = $('<ul class="inputosaurus-container"></ul>');
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if (this.options.allowDragAndDrop)
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{
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els.ul.droppable({
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'drop': function(event, ui) {
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ui.draggable.addClass('inputosaurus-dropped');
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els.input.val(ui.draggable.data('inputosaurus-value'));
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if (ui.draggable.__widget)
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{
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ui.draggable.__widget._removeDraggedTag(ui.draggable);
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}
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widget.parseInput();
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}
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});
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}
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els.input = $('<input type="text" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false" />');
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// els.input = $('<input type="email" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false" />');
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els.inputCont = $('<li class="inputosaurus-input inputosaurus-required"></li>');
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els.origInputCont = $('<li class="inputosaurus-input-hidden inputosaurus-required"></li>');
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els.lastEdit = '';
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els.input.on('focus', function () {
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widget._focusTrigger(true);
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}).on('blur', function () {
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widget._focusTrigger(false);
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});
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// define starting placeholder
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if (placeholder) {
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o.placeholder = placeholder;
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els.input.attr('placeholder', o.placeholder);
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if (o.width) {
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els.input.css('min-width', o.width - 50);
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}
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}
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o.wrapperElement && o.wrapperElement.append(els.ul);
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this.element.replaceWith(o.wrapperElement || els.ul);
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els.origInputCont.append(this.element).hide();
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els.inputCont.append(els.input);
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els.ul.append(els.inputCont);
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els.ul.append(els.origInputCont);
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o.width && els.ul.css('width', o.width);
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this.elements = els;
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widget._attachEvents();
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// if instantiated input already contains a value, parse that junk
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if($.trim(this.element.val())){
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els.input.val( this.element.val() );
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this.parseInput();
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}
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this._instAutocomplete();
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},
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_focusTriggerTimer : 0,
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_focusTrigger : function (bValue) {
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var widget = this;
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window.clearTimeout(this._focusTriggerTimer);
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this._focusTriggerTimer = window.setTimeout(function () {
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widget.elements.ul[!bValue ? 'removeClass' : 'addClass']('inputosaurus-focused');
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if (widget.options.focusCallback)
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{
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widget.options.focusCallback(bValue);
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}
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}, 10);
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},
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_instAutocomplete : function() {
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if(this.options.autoCompleteSource){
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var widget = this;
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this.elements.input.autocomplete({
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position : {
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of : this.elements.ul
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},
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source : this.options.autoCompleteSource,
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minLength : 1,
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autoFocus : true,
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select : function(ev, ui){
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ev.preventDefault();
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widget.elements.input.val(ui.item.value);
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widget.parseInput();
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},
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open : function() {
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var menu = $(this).data('ui-autocomplete').menu,
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$menuItems;
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menu.element.width(widget.elements.ul.outerWidth() - 6);
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// auto-activate the result if it's the only one
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if(widget.options.activateFinalResult){
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$menuItems = menu.element.find('li');
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// activate single item to allow selection upon pressing 'Enter'
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if($menuItems.length === 1){
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menu[menu.activate ? 'activate' : 'focus']($.Event('click'), $menuItems);
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}
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}
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},
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focus: function () {
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return false;
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}
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});
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}
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},
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_autoCompleteMenuPosition : function() {
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var widget;
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if(this.options.autoCompleteSource){
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widget = this.elements.input.data('ui-autocomplete');
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widget && widget.menu.element.position({
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of: this.elements.ul,
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my: 'left top',
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at: 'left bottom',
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collision: 'none'
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});
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}
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},
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/*_closeAutoCompleteMenu : function() {
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if(this.options.autoCompleteSource){
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this.elements.input.autocomplete('close');
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}
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},*/
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parseInput : function(ev) {
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var widget = (ev && ev.data.widget) || this,
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val,
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hook,
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delimiterFound = false,
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values = [];
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val = widget.elements.input.val();
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if (val) {
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if ($.isFunction(widget.options.splitHook)) {
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hook = widget.options.splitHook(val);
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} else {
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delimiterFound = widget._containsDelimiter(val);
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}
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}
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if (hook) {
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values = hook;
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} else if(delimiterFound !== false){
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values = val.split(delimiterFound);
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} else if(!ev || ev.which === $.ui.keyCode.ENTER && !$('.ui-menu-item .ui-state-focus').length && !$('#ui-active-menuitem').length){
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values.push(val);
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ev && ev.preventDefault();
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// prevent autoComplete menu click from causing a false 'blur'
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} else if(ev.type === 'blur' && !$('#ui-active-menuitem').length){
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values.push(val);
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}
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$.isFunction(widget.options.parseHook) && (values = widget.options.parseHook(values));
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if(values.length){
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widget._setChosen(values);
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widget.elements.input.val('');
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widget._resizeInput();
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}
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widget._resetPlaceholder();
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},
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_inputFocus : function(ev) {
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var widget = ev.data.widget || this;
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widget.elements.input.value || (widget.options.autoCompleteSource.length && widget.elements.input.autocomplete('search', ''));
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},
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_inputKeypress : function(ev) {
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var widget = ev.data.widget || this;
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ev.type === 'keyup' && widget._trigger('keyup', ev, widget);
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switch(ev.which){
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case $.ui.keyCode.BACKSPACE:
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ev.type === 'keydown' && widget._inputBackspace(ev);
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break;
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case $.ui.keyCode.LEFT:
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ev.type === 'keydown' && widget._inputBackspace(ev);
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break;
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default :
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widget.parseInput(ev);
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widget._resizeInput(ev);
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}
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// reposition autoComplete menu as <ul> grows and shrinks vertically
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if(widget.options.autoCompleteSource){
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setTimeout(function(){widget._autoCompleteMenuPosition.call(widget);}, 200);
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}
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},
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resizeInput : function () {
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this._resizeInput();
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},
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// the input dynamically resizes based on the length of its value
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_resizeInput : function(ev) {
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var widget = (ev && ev.data.widget) || this;
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inputosaurustext.fakeSpan.text(widget.elements.input.val());
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// window.setTimeout(function () {
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var txtWidth = 25 + inputosaurustext.fakeSpan.width();
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txtWidth = txtWidth > 50 ? txtWidth : 50;
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txtWidth = txtWidth < 500 ? txtWidth : 500;
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widget.elements.input.width(txtWidth);
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// }, 1);
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},
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// resets placeholder on representative input
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_resetPlaceholder: function () {
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var placeholder = this.options.placeholder,
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input = this.elements.input,
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width = this.options.width || 'inherit';
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if (placeholder && this.element.val().length === 0) {
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input.attr('placeholder', placeholder).css('min-width', width - 50)
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}else {
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input.attr('placeholder', '').css('min-width', 'inherit')
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}
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},
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// if our input contains no value and backspace has been pressed, select the last tag
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_inputBackspace : function(ev) {
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var widget = (ev && ev.data.widget) || this,
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lastTag = widget.elements.ul.find('li:not(.inputosaurus-required):last');
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// IE goes back in history if the event isn't stopped
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ev.stopPropagation();
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if((!$(ev.currentTarget).val() || (('selectionStart' in ev.currentTarget) && ev.currentTarget.selectionStart === 0 && ev.currentTarget.selectionEnd === 0)) && lastTag.length){
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ev.preventDefault();
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lastTag.find('a').focus();
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}
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},
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_editTag : function(ev) {
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var widget = (ev && ev.data.widget) || this,
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tagName = '',
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$li = $(ev.currentTarget).closest('li'),
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tagKey = $li.data('inputosaurus');
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if(!tagKey){
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return true;
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}
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ev.preventDefault();
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var
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oPrev = null,
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next = false
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;
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$.each(widget._chosenValues, function(i,v) {
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if (v.key === tagKey)
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{
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tagName = v.value;
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next = true;
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}
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else if (next && !oPrev)
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{
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oPrev = v;
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}
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});
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if (oPrev)
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{
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widget.elements.lastEdit = oPrev.value;
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}
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$li.after(widget.elements.inputCont);
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widget.elements.input.val(tagName);
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window.setTimeout(function () {
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widget.elements.input.select();
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}, 100);
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widget._removeTag(ev);
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widget._resizeInput(ev);
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},
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_tagKeypress : function(ev) {
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var widget = ev.data.widget;
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switch(ev.which){
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case $.ui.keyCode.DELETE:
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case $.ui.keyCode.BACKSPACE:
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ev && ev.preventDefault();
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ev && ev.stopPropagation();
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$(ev.currentTarget).trigger('click');
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break;
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// 'e' - edit tag (removes tag and places value into visible input
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case 69:
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case $.ui.keyCode.ENTER:
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widget._editTag(ev);
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break;
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case $.ui.keyCode.LEFT:
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ev.type === 'keydown' && widget._prevTag(ev);
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break;
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case $.ui.keyCode.RIGHT:
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ev.type === 'keydown' && widget._nextTag(ev);
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break;
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case $.ui.keyCode.DOWN:
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ev.type === 'keydown' && widget._focus(ev);
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break;
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}
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},
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// select the previous tag or input if no more tags exist
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_prevTag : function(ev) {
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var widget = (ev && ev.data.widget) || this,
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tag = $(ev.currentTarget).closest('li'),
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previous = tag.prev();
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if(previous.is('li')){
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previous.find('a').focus();
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} else {
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widget._focus();
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}
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},
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// select the next tag or input if no more tags exist
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_nextTag : function(ev) {
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var widget = (ev && ev.data.widget) || this,
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tag = $(ev.currentTarget).closest('li'),
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next = tag.next();
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if(next.is('li:not(.inputosaurus-input)')){
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next.find('a').focus();
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} else {
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widget._focus();
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}
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},
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// return the inputDelimiter that was detected or false if none were found
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_containsDelimiter : function(tagStr) {
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var found = false;
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$.each(this.options.inputDelimiters, function(k,v) {
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if(tagStr.indexOf(v) !== -1){
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found = v;
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}
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});
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return found;
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},
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_setChosen : function(valArr) {
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var self = this;
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if(!$.isArray(valArr)){
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return false;
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}
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$.each(valArr, function(k,a) {
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var v = '', exists = false,
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lastIndex = -1,
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obj = {
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key : '',
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obj : null,
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value : ''
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};
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v = $.trim(a[0]);
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$.each(self._chosenValues, function(kk, vv) {
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if (vv.value === self.elements.lastEdit)
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{
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lastIndex = kk;
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}
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vv.value === v && (exists = true);
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});
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if(v !== '' && a && a[1] && (!exists || self.options.allowDuplicates)){
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obj.key = 'mi_' + Math.random().toString( 16 ).slice( 2, 10 );
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obj.value = v;
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obj.obj = a[1];
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if (-1 < lastIndex)
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{
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self._chosenValues.splice(lastIndex, 0, obj);
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}
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else
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{
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self._chosenValues.push(obj);
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}
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self.elements.lastEdit = '';
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self._renderTags();
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}
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});
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if (valArr.length === 1 && valArr[0] === '' && self.elements.lastEdit !== '')
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{
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self.elements.lastEdit = '';
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self._renderTags();
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}
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self._setValue(self._buildValue());
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},
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_buildValue : function() {
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var widget = this,
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value = '';
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$.each(this._chosenValues, function(k,v) {
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value += value.length ? widget.options.outputDelimiter + v.value : v.value;
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});
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return value;
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},
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_setValue : function(value) {
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var val = this.element.val();
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if(val !== value){
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this.element.val(value);
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this._trigger('change');
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}
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},
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// @name text for tag
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// @className optional className for <li>
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_createTag : function(name, key, obj) {
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if (name !== undefined && obj) {
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var
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widget = this,
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$li = $('<li data-inputosaurus="' + key + '" title="' + obj.toLine(false, false, true) +
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'"><a href="javascript:void(0);" class="ficon">✖</a><span>' +
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obj.toLine(true, false, true) + '</span></li>')
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;
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$li.data('inputosaurus-value', obj.toLine(false, false, false));
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if (this.options.allowDragAndDrop)
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{
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$li.draggable({
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'revert': 'invalid',
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'revertDuration': 200,
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'start': function(event, ui) {
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ui.helper.__widget = widget;
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}
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});
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}
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$.isFunction(this.options.elementHook) && (this.options.elementHook($li, obj));
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return $li;
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}
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},
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_renderTags : function() {
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var self = this;
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this.elements.ul.find('li:not(.inputosaurus-required)').remove();
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$.each(this._chosenValues, function(k, v) {
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var el = self._createTag(v.value, v.key, v.obj);
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if (el) {
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self.elements.ul.find('li.inputosaurus-input').before(el);
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}
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});
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},
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_removeTag : function(ev) {
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var key = $(ev.currentTarget).closest('li').data('inputosaurus'),
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indexFound = false,
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widget = (ev && ev.data.widget) || this;
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$.each(widget._chosenValues, function(k,v) {
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if(key === v.key){
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indexFound = k;
|
|
}
|
|
});
|
|
|
|
indexFound !== false && widget._chosenValues.splice(indexFound, 1);
|
|
|
|
widget._setValue(widget._buildValue());
|
|
|
|
$(ev.currentTarget).closest('li').remove();
|
|
window.setTimeout(function () {
|
|
widget.elements.input.focus();
|
|
}, 100);
|
|
},
|
|
|
|
_removeDraggedTag : function ($li) {
|
|
var
|
|
key = $li.data('inputosaurus'),
|
|
widget = this,
|
|
indexFound = false
|
|
;
|
|
|
|
$.each(widget._chosenValues, function(k,v) {
|
|
if (key === v.key) {
|
|
|
|
indexFound = k;
|
|
}
|
|
});
|
|
|
|
if (false !== indexFound)
|
|
{
|
|
widget._chosenValues.splice(indexFound, 1);
|
|
widget._setValue(widget._buildValue());
|
|
}
|
|
|
|
$li.remove();
|
|
},
|
|
|
|
focus : function () {
|
|
this.elements.input.focus();
|
|
},
|
|
|
|
blur : function () {
|
|
this.elements.input.blur();
|
|
},
|
|
|
|
_focus : function(ev) {
|
|
var
|
|
widget = (ev && ev.data.widget) || this,
|
|
li = (ev && ev.target) ? $(ev.target).closest('li') : null
|
|
;
|
|
|
|
if (li && li.is('li')) {
|
|
li.find('a').focus();
|
|
}
|
|
if (!ev || !$(ev.target).closest('li').data('inputosaurus')) {
|
|
widget.elements.input.focus();
|
|
}
|
|
},
|
|
|
|
_tagFocus : function(ev) {
|
|
$(ev.currentTarget).parent()[ev.type === 'focusout' ? 'removeClass' : 'addClass']('inputosaurus-selected');
|
|
},
|
|
|
|
refresh : function() {
|
|
var delim = this.options.outputDelimiter,
|
|
val = this.element.val(),
|
|
values = [];
|
|
|
|
values.push(val);
|
|
|
|
if (val) {
|
|
if ($.isFunction(this.options.splitHook)) {
|
|
var hook = this.options.splitHook(val);
|
|
if (hook) {
|
|
values = hook;
|
|
}
|
|
} else {
|
|
delim && (values = val.split(delim));
|
|
}
|
|
}
|
|
|
|
if (values.length) {
|
|
this._chosenValues = [];
|
|
|
|
$.isFunction(this.options.parseHook) && (values = this.options.parseHook(values));
|
|
|
|
this._setChosen(values);
|
|
this._renderTags();
|
|
this.elements.input.val('');
|
|
this._resizeInput();
|
|
}
|
|
},
|
|
|
|
_attachEvents : function() {
|
|
|
|
var widget = this, els = this.elements;
|
|
if (els) {
|
|
els.input.on('keyup.inputosaurus', {widget : widget}, this._inputKeypress);
|
|
els.input.on('keydown.inputosaurus', {widget : widget}, this._inputKeypress);
|
|
els.input.on('change.inputosaurus', {widget : widget}, this._inputKeypress);
|
|
els.input.on('focus.inputosaurus', {widget : widget}, this._inputFocus);
|
|
|
|
this.options.parseOnBlur && els.input.on('blur.inputosaurus', {widget : widget}, this.parseInput);
|
|
|
|
els.ul.on('click.inputosaurus', {widget : widget}, this._focus);
|
|
els.ul.on('click.inputosaurus', 'a', {widget : widget}, this._removeTag);
|
|
els.ul.on('dblclick.inputosaurus', 'li', {widget : widget}, this._editTag);
|
|
els.ul.on('doubletap.inputosaurus', 'li', {widget : widget}, this._editTag);
|
|
els.ul.on('focus.inputosaurus', 'a', {widget : widget}, this._tagFocus);
|
|
els.ul.on('blur.inputosaurus', 'a', {widget : widget}, this._tagFocus);
|
|
els.ul.on('keydown.inputosaurus', 'a', {widget : widget}, this._tagKeypress);
|
|
}
|
|
},
|
|
|
|
_destroy: function() {
|
|
var els = this.elements;
|
|
if (els) {
|
|
els.input.unbind('.inputosaurus');
|
|
els.ul.replaceWith(this.element);
|
|
}
|
|
}
|
|
};
|
|
|
|
$('body').append(inputosaurustext.fakeSpan);
|
|
$.widget("ui.inputosaurus", inputosaurustext);
|
|
|
|
})(jQuery);
|
|
|