Louis Vézina
5 years ago
parent
15e3fcaca9
commit
72b6fd62a0
@ -0,0 +1,691 @@
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/*
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* bootstrap-tagsinput v0.8.0
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*
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*/
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(function ($) {
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"use strict";
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var defaultOptions = {
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tagClass: function(item) {
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return 'badge badge-info';
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},
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focusClass: 'focus',
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itemValue: function(item) {
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return item ? item.toString() : item;
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},
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itemText: function(item) {
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return this.itemValue(item);
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},
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itemTitle: function(item) {
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return null;
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},
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freeInput: true,
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addOnBlur: true,
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maxTags: undefined,
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maxChars: undefined,
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confirmKeys: [13, 44],
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delimiter: ',',
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delimiterRegex: null,
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cancelConfirmKeysOnEmpty: false,
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onTagExists: function(item, $tag) {
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$tag.hide().fadeIn();
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},
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trimValue: false,
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allowDuplicates: false,
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triggerChange: true,
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editOnBackspace: false
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};
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/**
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* Constructor function
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*/
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function TagsInput(element, options) {
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this.isInit = true;
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this.itemsArray = [];
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this.$element = $(element);
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this.$element.addClass('sr-only');
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this.isSelect = (element.tagName === 'SELECT');
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this.multiple = (this.isSelect && element.hasAttribute('multiple'));
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this.objectItems = options && options.itemValue;
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this.placeholderText = element.hasAttribute('placeholder') ? this.$element.attr('placeholder') : '';
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this.inputSize = Math.max(1, this.placeholderText.length);
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this.$container = $('<div class="bootstrap-tagsinput"></div>');
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this.$input = $('<input type="text" placeholder="' + this.placeholderText + '"/>').appendTo(this.$container);
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this.$element.before(this.$container);
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this.build(options);
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this.isInit = false;
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}
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TagsInput.prototype = {
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constructor: TagsInput,
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/**
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* Adds the given item as a new tag. Pass true to dontPushVal to prevent
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* updating the elements val()
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*/
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add: function(item, dontPushVal, options) {
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var self = this;
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if (self.options.maxTags && self.itemsArray.length >= self.options.maxTags)
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return;
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// Ignore falsey values, except false
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if (item !== false && !item)
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return;
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// Trim value
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if (typeof item === "string" && self.options.trimValue) {
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item = $.trim(item);
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}
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// Throw an error when trying to add an object while the itemValue option was not set
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if (typeof item === "object" && !self.objectItems)
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throw("Can't add objects when itemValue option is not set");
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// Ignore strings only containg whitespace
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if (item.toString().match(/^\s*$/))
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return;
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// If SELECT but not multiple, remove current tag
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if (self.isSelect && !self.multiple && self.itemsArray.length > 0)
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self.remove(self.itemsArray[0]);
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if (typeof item === "string" && this.$element[0].tagName === 'INPUT') {
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var delimiter = (self.options.delimiterRegex) ? self.options.delimiterRegex : self.options.delimiter;
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var items = item.split(delimiter);
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if (items.length > 1) {
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for (var i = 0; i < items.length; i++) {
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this.add(items[i], true);
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}
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if (!dontPushVal)
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self.pushVal(self.options.triggerChange);
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return;
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}
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}
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var itemValue = self.options.itemValue(item),
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itemText = self.options.itemText(item),
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tagClass = self.options.tagClass(item),
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itemTitle = self.options.itemTitle(item);
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// Ignore items allready added
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var existing = $.grep(self.itemsArray, function(item) { return self.options.itemValue(item) === itemValue; } )[0];
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if (existing && !self.options.allowDuplicates) {
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// Invoke onTagExists
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if (self.options.onTagExists) {
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var $existingTag = $(".badge", self.$container).filter(function() { return $(this).data("item") === existing; });
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self.options.onTagExists(item, $existingTag);
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}
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return;
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}
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// if length greater than limit
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if (self.items().toString().length + item.length + 1 > self.options.maxInputLength)
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return;
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// raise beforeItemAdd arg
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var beforeItemAddEvent = $.Event('beforeItemAdd', { item: item, cancel: false, options: options});
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self.$element.trigger(beforeItemAddEvent);
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if (beforeItemAddEvent.cancel)
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return;
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// register item in internal array and map
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self.itemsArray.push(item);
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// add a tag element
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var $tag = $('<span class="' + htmlEncode(tagClass) + (itemTitle !== null ? ('" title="' + itemTitle) : '') + '">' + htmlEncode(itemText) + '<span data-role="remove"></span></span>');
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$tag.data('item', item);
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self.findInputWrapper().before($tag);
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// Check to see if the tag exists in its raw or uri-encoded form
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var optionExists = (
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$('option[value="' + encodeURIComponent(itemValue).replace(/"/g, '\\"') + '"]', self.$element).length ||
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$('option[value="' + htmlEncode(itemValue).replace(/"/g, '\\"') + '"]', self.$element).length
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);
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// add <option /> if item represents a value not present in one of the <select />'s options
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if (self.isSelect && !optionExists) {
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var $option = $('<option selected>' + htmlEncode(itemText) + '</option>');
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$option.data('item', item);
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$option.attr('value', itemValue);
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self.$element.append($option);
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}
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if (!dontPushVal)
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self.pushVal(self.options.triggerChange);
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// Add class when reached maxTags
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if (self.options.maxTags === self.itemsArray.length || self.items().toString().length === self.options.maxInputLength)
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self.$container.addClass('bootstrap-tagsinput-max');
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// If using typeahead, once the tag has been added, clear the typeahead value so it does not stick around in the input.
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if ($('.typeahead, .twitter-typeahead', self.$container).length) {
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self.$input.typeahead('val', '');
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}
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if (this.isInit) {
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self.$element.trigger($.Event('itemAddedOnInit', { item: item, options: options }));
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} else {
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self.$element.trigger($.Event('itemAdded', { item: item, options: options }));
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}
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},
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/**
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* Removes the given item. Pass true to dontPushVal to prevent updating the
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* elements val()
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*/
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remove: function(item, dontPushVal, options) {
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var self = this;
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if (self.objectItems) {
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if (typeof item === "object")
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item = $.grep(self.itemsArray, function(other) { return self.options.itemValue(other) == self.options.itemValue(item); } );
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else
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item = $.grep(self.itemsArray, function(other) { return self.options.itemValue(other) == item; } );
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item = item[item.length-1];
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}
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if (item) {
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var beforeItemRemoveEvent = $.Event('beforeItemRemove', { item: item, cancel: false, options: options });
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self.$element.trigger(beforeItemRemoveEvent);
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if (beforeItemRemoveEvent.cancel)
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return;
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$('.badge', self.$container).filter(function() { return $(this).data('item') === item; }).remove();
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$('option', self.$element).filter(function() { return $(this).data('item') === item; }).remove();
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if($.inArray(item, self.itemsArray) !== -1)
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self.itemsArray.splice($.inArray(item, self.itemsArray), 1);
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}
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if (!dontPushVal)
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self.pushVal(self.options.triggerChange);
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// Remove class when reached maxTags
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if (self.options.maxTags > self.itemsArray.length)
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self.$container.removeClass('bootstrap-tagsinput-max');
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self.$element.trigger($.Event('itemRemoved', { item: item, options: options }));
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},
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/**
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* Removes all items
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*/
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removeAll: function() {
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var self = this;
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$('.badge', self.$container).remove();
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$('option', self.$element).remove();
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while(self.itemsArray.length > 0)
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self.itemsArray.pop();
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self.pushVal(self.options.triggerChange);
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},
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/**
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* Refreshes the tags so they match the text/value of their corresponding
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* item.
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*/
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refresh: function() {
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var self = this;
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$('.badge', self.$container).each(function() {
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var $tag = $(this),
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item = $tag.data('item'),
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itemValue = self.options.itemValue(item),
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itemText = self.options.itemText(item),
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tagClass = self.options.tagClass(item);
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// Update tag's class and inner text
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$tag.attr('class', null);
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$tag.addClass('badge ' + htmlEncode(tagClass));
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$tag.contents().filter(function() {
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return this.nodeType == 3;
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})[0].nodeValue = htmlEncode(itemText);
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if (self.isSelect) {
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var option = $('option', self.$element).filter(function() { return $(this).data('item') === item; });
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option.attr('value', itemValue);
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}
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});
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},
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/**
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* Returns the items added as tags
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*/
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items: function() {
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return this.itemsArray;
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},
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/**
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* Assembly value by retrieving the value of each item, and set it on the
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* element.
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*/
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pushVal: function() {
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var self = this,
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val = $.map(self.items(), function(item) {
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return self.options.itemValue(item).toString();
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});
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self.$element.val( val.join(self.options.delimiter) );
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if (self.options.triggerChange)
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self.$element.trigger('change');
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},
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/**
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* Initializes the tags input behaviour on the element
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*/
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build: function(options) {
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var self = this;
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self.options = $.extend({}, defaultOptions, options);
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// When itemValue is set, freeInput should always be false
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if (self.objectItems)
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self.options.freeInput = false;
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makeOptionItemFunction(self.options, 'itemValue');
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makeOptionItemFunction(self.options, 'itemText');
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makeOptionFunction(self.options, 'tagClass');
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// Typeahead Bootstrap version 2.3.2
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if (self.options.typeahead) {
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var typeahead = self.options.typeahead || {};
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makeOptionFunction(typeahead, 'source');
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self.$input.typeahead($.extend({}, typeahead, {
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source: function (query, process) {
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function processItems(items) {
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var texts = [];
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for (var i = 0; i < items.length; i++) {
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var text = self.options.itemText(items[i]);
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map[text] = items[i];
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texts.push(text);
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}
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process(texts);
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}
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this.map = {};
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var map = this.map,
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data = typeahead.source(query);
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if ($.isFunction(data.success)) {
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// support for Angular callbacks
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data.success(processItems);
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} else if ($.isFunction(data.then)) {
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// support for Angular promises
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data.then(processItems);
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} else {
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// support for functions and jquery promises
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$.when(data)
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.then(processItems);
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}
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},
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updater: function (text) {
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self.add(this.map[text]);
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return this.map[text];
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},
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matcher: function (text) {
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return (text.toLowerCase().indexOf(this.query.trim().toLowerCase()) !== -1);
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},
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sorter: function (texts) {
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return texts.sort();
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},
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highlighter: function (text) {
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var regex = new RegExp( '(' + this.query + ')', 'gi' );
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return text.replace( regex, "<strong>$1</strong>" );
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}
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}));
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}
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// typeahead.js
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if (self.options.typeaheadjs) {
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// Determine if main configurations were passed or simply a dataset
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var typeaheadjs = self.options.typeaheadjs;
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if (!$.isArray(typeaheadjs)) {
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typeaheadjs = [null, typeaheadjs];
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}
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$.fn.typeahead.apply(self.$input, typeaheadjs).on('typeahead:selected', $.proxy(function (obj, datum, name) {
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var index = 0;
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typeaheadjs.some(function(dataset, _index) {
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if (dataset.name === name) {
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index = _index;
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return true;
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}
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return false;
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});
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// @TODO Dep: https://github.com/corejavascript/typeahead.js/issues/89
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if (typeaheadjs[index].valueKey) {
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self.add(datum[typeaheadjs[index].valueKey]);
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} else {
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self.add(datum);
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}
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self.$input.typeahead('val', '');
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}, self));
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}
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self.$container.on('click', $.proxy(function(event) {
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if (! self.$element.attr('disabled')) {
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self.$input.removeAttr('disabled');
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}
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self.$input.focus();
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}, self));
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if (self.options.addOnBlur && self.options.freeInput) {
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self.$input.on('focusout', $.proxy(function(event) {
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// HACK: only process on focusout when no typeahead opened, to
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// avoid adding the typeahead text as tag
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if ($('.typeahead, .twitter-typeahead', self.$container).length === 0) {
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self.add(self.$input.val());
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self.$input.val('');
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}
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}, self));
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}
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// Toggle the 'focus' css class on the container when it has focus
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self.$container.on({
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focusin: function() {
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self.$container.addClass(self.options.focusClass);
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},
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focusout: function() {
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self.$container.removeClass(self.options.focusClass);
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},
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});
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self.$container.on('keydown', 'input', $.proxy(function(event) {
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var $input = $(event.target),
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$inputWrapper = self.findInputWrapper();
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if (self.$element.attr('disabled')) {
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self.$input.attr('disabled', 'disabled');
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return;
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}
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switch (event.which) {
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// BACKSPACE
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case 8:
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if (doGetCaretPosition($input[0]) === 0) {
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var prev = $inputWrapper.prev();
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if (prev.length) {
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if (self.options.editOnBackspace === true) {
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$input.val(prev.data('item'));
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}
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self.remove(prev.data('item'));
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}
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}
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break;
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// DELETE
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case 46:
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if (doGetCaretPosition($input[0]) === 0) {
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var next = $inputWrapper.next();
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if (next.length) {
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self.remove(next.data('item'));
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}
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}
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break;
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// LEFT ARROW
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case 37:
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// Try to move the input before the previous tag
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var $prevTag = $inputWrapper.prev();
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if ($input.val().length === 0 && $prevTag[0]) {
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$prevTag.before($inputWrapper);
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$input.focus();
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}
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break;
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// RIGHT ARROW
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case 39:
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// Try to move the input after the next tag
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var $nextTag = $inputWrapper.next();
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if ($input.val().length === 0 && $nextTag[0]) {
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$nextTag.after($inputWrapper);
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$input.focus();
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}
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break;
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default:
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// ignore
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}
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// Reset internal input's size
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var textLength = $input.val().length,
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wordSpace = Math.ceil(textLength / 5),
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size = textLength + wordSpace + 1;
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$input.attr('size', Math.max(this.inputSize, size));
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}, self));
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self.$container.on('keypress', 'input', $.proxy(function(event) {
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var $input = $(event.target);
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if (self.$element.attr('disabled')) {
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self.$input.attr('disabled', 'disabled');
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return;
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}
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var text = $input.val(),
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maxLengthReached = self.options.maxChars && text.length >= self.options.maxChars;
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if (self.options.freeInput && (keyCombinationInList(event, self.options.confirmKeys) || maxLengthReached)) {
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// Only attempt to add a tag if there is data in the field
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if (text.length !== 0) {
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self.add(maxLengthReached ? text.substr(0, self.options.maxChars) : text);
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$input.val('');
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}
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// If the field is empty, let the event triggered fire as usual
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if (self.options.cancelConfirmKeysOnEmpty === false) {
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event.preventDefault();
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}
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}
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// Reset internal input's size
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var textLength = $input.val().length,
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wordSpace = Math.ceil(textLength / 5),
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size = textLength + wordSpace + 1;
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$input.attr('size', Math.max(this.inputSize, size));
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}, self));
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// Remove icon clicked
|
||||
self.$container.on('click', '[data-role=remove]', $.proxy(function(event) {
|
||||
if (self.$element.attr('disabled')) {
|
||||
return;
|
||||
}
|
||||
self.remove($(event.target).closest('.badge').data('item'));
|
||||
}, self));
|
||||
|
||||
// Only add existing value as tags when using strings as tags
|
||||
if (self.options.itemValue === defaultOptions.itemValue) {
|
||||
if (self.$element[0].tagName === 'INPUT') {
|
||||
self.add(self.$element.val());
|
||||
} else {
|
||||
$('option', self.$element).each(function() {
|
||||
self.add($(this).attr('value'), true);
|
||||
});
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
/**
|
||||
* Removes all tagsinput behaviour and unregsiter all event handlers
|
||||
*/
|
||||
destroy: function() {
|
||||
var self = this;
|
||||
|
||||
// Unbind events
|
||||
self.$container.off('keypress', 'input');
|
||||
self.$container.off('click', '[role=remove]');
|
||||
|
||||
self.$container.remove();
|
||||
self.$element.removeData('tagsinput');
|
||||
self.$element.show();
|
||||
},
|
||||
|
||||
/**
|
||||
* Sets focus on the tagsinput
|
||||
*/
|
||||
focus: function() {
|
||||
this.$input.focus();
|
||||
},
|
||||
|
||||
/**
|
||||
* Returns the internal input element
|
||||
*/
|
||||
input: function() {
|
||||
return this.$input;
|
||||
},
|
||||
|
||||
/**
|
||||
* Returns the element which is wrapped around the internal input. This
|
||||
* is normally the $container, but typeahead.js moves the $input element.
|
||||
*/
|
||||
findInputWrapper: function() {
|
||||
var elt = this.$input[0],
|
||||
container = this.$container[0];
|
||||
while(elt && elt.parentNode !== container)
|
||||
elt = elt.parentNode;
|
||||
|
||||
return $(elt);
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Register JQuery plugin
|
||||
*/
|
||||
$.fn.tagsinput = function(arg1, arg2, arg3) {
|
||||
var results = [];
|
||||
|
||||
this.each(function() {
|
||||
var tagsinput = $(this).data('tagsinput');
|
||||
// Initialize a new tags input
|
||||
if (!tagsinput) {
|
||||
tagsinput = new TagsInput(this, arg1);
|
||||
$(this).data('tagsinput', tagsinput);
|
||||
results.push(tagsinput);
|
||||
|
||||
if (this.tagName === 'SELECT') {
|
||||
$('option', $(this)).attr('selected', 'selected');
|
||||
}
|
||||
|
||||
// Init tags from $(this).val()
|
||||
$(this).val($(this).val());
|
||||
} else if (!arg1 && !arg2) {
|
||||
// tagsinput already exists
|
||||
// no function, trying to init
|
||||
results.push(tagsinput);
|
||||
} else if(tagsinput[arg1] !== undefined) {
|
||||
// Invoke function on existing tags input
|
||||
if(tagsinput[arg1].length === 3 && arg3 !== undefined){
|
||||
var retVal = tagsinput[arg1](arg2, null, arg3);
|
||||
}else{
|
||||
var retVal = tagsinput[arg1](arg2);
|
||||
}
|
||||
if (retVal !== undefined)
|
||||
results.push(retVal);
|
||||
}
|
||||
});
|
||||
|
||||
if ( typeof arg1 == 'string') {
|
||||
// Return the results from the invoked function calls
|
||||
return results.length > 1 ? results : results[0];
|
||||
} else {
|
||||
return results;
|
||||
}
|
||||
};
|
||||
|
||||
$.fn.tagsinput.Constructor = TagsInput;
|
||||
|
||||
/**
|
||||
* Most options support both a string or number as well as a function as
|
||||
* option value. This function makes sure that the option with the given
|
||||
* key in the given options is wrapped in a function
|
||||
*/
|
||||
function makeOptionItemFunction(options, key) {
|
||||
if (typeof options[key] !== 'function') {
|
||||
var propertyName = options[key];
|
||||
options[key] = function(item) { return item[propertyName]; };
|
||||
}
|
||||
}
|
||||
function makeOptionFunction(options, key) {
|
||||
if (typeof options[key] !== 'function') {
|
||||
var value = options[key];
|
||||
options[key] = function() { return value; };
|
||||
}
|
||||
}
|
||||
/**
|
||||
* HtmlEncodes the given value
|
||||
*/
|
||||
var htmlEncodeContainer = $('<div />');
|
||||
function htmlEncode(value) {
|
||||
if (value) {
|
||||
return htmlEncodeContainer.text(value).html();
|
||||
} else {
|
||||
return '';
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the position of the caret in the given input field
|
||||
* http://flightschool.acylt.com/devnotes/caret-position-woes/
|
||||
*/
|
||||
function doGetCaretPosition(oField) {
|
||||
var iCaretPos = 0;
|
||||
if (document.selection) {
|
||||
oField.focus ();
|
||||
var oSel = document.selection.createRange();
|
||||
oSel.moveStart ('character', -oField.value.length);
|
||||
iCaretPos = oSel.text.length;
|
||||
} else if (oField.selectionStart || oField.selectionStart == '0') {
|
||||
iCaretPos = oField.selectionStart;
|
||||
}
|
||||
return (iCaretPos);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns boolean indicates whether user has pressed an expected key combination.
|
||||
* @param object keyPressEvent: JavaScript event object, refer
|
||||
* http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
|
||||
* @param object lookupList: expected key combinations, as in:
|
||||
* [13, {which: 188, shiftKey: true}]
|
||||
*/
|
||||
function keyCombinationInList(keyPressEvent, lookupList) {
|
||||
var found = false;
|
||||
$.each(lookupList, function (index, keyCombination) {
|
||||
if (typeof (keyCombination) === 'number' && keyPressEvent.which === keyCombination) {
|
||||
found = true;
|
||||
return false;
|
||||
}
|
||||
|
||||
if (keyPressEvent.which === keyCombination.which) {
|
||||
var alt = !keyCombination.hasOwnProperty('altKey') || keyPressEvent.altKey === keyCombination.altKey,
|
||||
shift = !keyCombination.hasOwnProperty('shiftKey') || keyPressEvent.shiftKey === keyCombination.shiftKey,
|
||||
ctrl = !keyCombination.hasOwnProperty('ctrlKey') || keyPressEvent.ctrlKey === keyCombination.ctrlKey;
|
||||
if (alt && shift && ctrl) {
|
||||
found = true;
|
||||
return false;
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
return found;
|
||||
}
|
||||
|
||||
/**
|
||||
* Initialize tagsinput behaviour on inputs and selects which have
|
||||
* data-role=tagsinput
|
||||
*/
|
||||
$(function() {
|
||||
$("input[data-role=tagsinput], select[multiple][data-role=tagsinput]").tagsinput();
|
||||
});
|
||||
})(window.jQuery);
|
||||
Loading…
Reference in new issue