778 lines
28 KiB
JavaScript
Vendored
778 lines
28 KiB
JavaScript
Vendored
/* =============================================================
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* bootstrap3-typeahead.js v4.0.2
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* https://github.com/bassjobsen/Bootstrap-3-Typeahead
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* =============================================================
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* Original written by @mdo and @fat
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* =============================================================
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* Copyright 2014 Bass Jobsen @bassjobsen
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*
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* Licensed under the Apache License, Version 2.0 (the 'License');
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an 'AS IS' BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* ============================================================ */
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(function (root, factory) {
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'use strict';
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// CommonJS module is defined
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if (typeof module !== 'undefined' && module.exports) {
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module.exports = factory(require('jquery'));
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}
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// AMD module is defined
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else if (typeof define === 'function' && define.amd) {
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define(['jquery'], function ($) {
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return factory($);
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});
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} else {
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factory(root.jQuery);
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}
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}(this, function ($) {
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'use strict';
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// jshint laxcomma: true
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/* TYPEAHEAD PUBLIC CLASS DEFINITION
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* ================================= */
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var Typeahead = function (element, options) {
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this.$element = $(element);
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this.options = $.extend({}, Typeahead.defaults, options);
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this.matcher = this.options.matcher || this.matcher;
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this.sorter = this.options.sorter || this.sorter;
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this.select = this.options.select || this.select;
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this.autoSelect = typeof this.options.autoSelect == 'boolean' ? this.options.autoSelect : true;
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this.highlighter = this.options.highlighter || this.highlighter;
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this.render = this.options.render || this.render;
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this.updater = this.options.updater || this.updater;
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this.displayText = this.options.displayText || this.displayText;
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this.itemLink = this.options.itemLink || this.itemLink;
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this.itemTitle = this.options.itemTitle || this.itemTitle;
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this.followLinkOnSelect = this.options.followLinkOnSelect || this.followLinkOnSelect;
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this.source = this.options.source;
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this.delay = this.options.delay;
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this.theme = this.options.theme && this.options.themes && this.options.themes[this.options.theme] || Typeahead.defaults.themes[Typeahead.defaults.theme];
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this.$menu = $(this.options.menu || this.theme.menu);
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this.$appendTo = this.options.appendTo ? $(this.options.appendTo) : null;
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this.fitToElement = typeof this.options.fitToElement == 'boolean' ? this.options.fitToElement : false;
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this.shown = false;
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this.listen();
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this.showHintOnFocus = typeof this.options.showHintOnFocus == 'boolean' || this.options.showHintOnFocus === 'all' ? this.options.showHintOnFocus : false;
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this.afterSelect = this.options.afterSelect;
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this.afterEmptySelect = this.options.afterEmptySelect;
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this.addItem = false;
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this.value = this.$element.val() || this.$element.text();
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this.keyPressed = false;
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this.focused = this.$element.is(':focus');
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this.changeInputOnSelect = this.options.changeInputOnSelect || this.changeInputOnSelect;
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this.changeInputOnMove = this.options.changeInputOnMove || this.changeInputOnMove;
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this.openLinkInNewTab = this.options.openLinkInNewTab || this.openLinkInNewTab;
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this.selectOnBlur = this.options.selectOnBlur || this.selectOnBlur;
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this.showCategoryHeader = this.options.showCategoryHeader || this.showCategoryHeader;
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};
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Typeahead.prototype = {
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constructor: Typeahead,
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setDefault: function (val) {
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// var val = this.$menu.find('.active').data('value');
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this.$element.data('active', val);
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if (this.autoSelect || val) {
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var newVal = this.updater(val);
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// Updater can be set to any random functions via "options" parameter in constructor above.
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// Add null check for cases when updater returns void or undefined.
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if (!newVal) {
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newVal = '';
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}
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this.$element
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.val(this.displayText(newVal) || newVal)
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.text(this.displayText(newVal) || newVal)
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.change();
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this.afterSelect(newVal);
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}
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return this.hide();
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},
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select: function () {
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var val = this.$menu.find('.active').data('value');
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this.$element.data('active', val);
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if (this.autoSelect || val) {
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var newVal = this.updater(val);
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// Updater can be set to any random functions via "options" parameter in constructor above.
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// Add null check for cases when updater returns void or undefined.
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if (!newVal) {
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newVal = '';
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}
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if (this.changeInputOnSelect) {
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this.$element
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.val(this.displayText(newVal) || newVal)
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.text(this.displayText(newVal) || newVal)
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.change();
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}
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if (this.followLinkOnSelect && this.itemLink(val)) {
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if (this.openLinkInNewTab) {
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window.open(this.itemLink(val), '_blank');
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} else {
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document.location = this.itemLink(val);
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}
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this.afterSelect(newVal);
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} else if (this.followLinkOnSelect && !this.itemLink(val)) {
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this.afterEmptySelect(newVal);
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} else {
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this.afterSelect(newVal);
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}
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} else {
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this.afterEmptySelect();
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}
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return this.hide();
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},
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updater: function (item) {
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return item;
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},
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setSource: function (source) {
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this.source = source;
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},
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show: function () {
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var pos = $.extend({}, this.$element.position(), {
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height: this.$element[0].offsetHeight
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});
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var scrollHeight = typeof this.options.scrollHeight == 'function' ?
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this.options.scrollHeight.call() :
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this.options.scrollHeight;
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var element;
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if (this.shown) {
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element = this.$menu;
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} else if (this.$appendTo) {
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element = this.$menu.appendTo(this.$appendTo);
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this.hasSameParent = this.$appendTo.is(this.$element.parent());
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} else {
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element = this.$menu.insertAfter(this.$element);
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this.hasSameParent = true;
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}
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if (!this.hasSameParent) {
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// We cannot rely on the element position, need to position relative to the window
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element.css('position', 'fixed');
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var offset = this.$element.offset();
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pos.top = offset.top;
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pos.left = offset.left;
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}
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// The rules for bootstrap are: 'dropup' in the parent and 'dropdown-menu-right' in the element.
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// Note that to get right alignment, you'll need to specify `menu` in the options to be:
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// '<ul class="typeahead dropdown-menu" role="listbox"></ul>'
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var dropup = $(element).parent().hasClass('dropup');
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var newTop = dropup ? 'auto' : (pos.top + pos.height + scrollHeight);
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var right = $(element).hasClass('dropdown-menu-right');
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var newLeft = right ? 'auto' : pos.left;
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// it seems like setting the css is a bad idea (just let Bootstrap do it), but I'll keep the old
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// logic in place except for the dropup/right-align cases.
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element.css({ top: newTop, left: newLeft }).show();
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if (this.options.fitToElement === true) {
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element.css('width', this.$element.outerWidth() + 'px');
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}
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this.shown = true;
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return this;
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},
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hide: function () {
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this.$menu.hide();
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this.shown = false;
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return this;
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},
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lookup: function (query) {
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if (typeof(query) != 'undefined' && query !== null) {
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this.query = query;
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} else {
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this.query = this.$element.val();
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}
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if (this.query.length < this.options.minLength && !this.options.showHintOnFocus) {
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return this.shown ? this.hide() : this;
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}
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var worker = $.proxy(function () {
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// Bloodhound (since 0.11) needs three arguments.
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// Two of them are callback functions (sync and async) for local and remote data processing
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// see https://github.com/twitter/typeahead.js/blob/master/src/bloodhound/bloodhound.js#L132
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if ($.isFunction(this.source) && this.source.length === 3) {
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this.source(this.query, $.proxy(this.process, this), $.proxy(this.process, this));
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} else if ($.isFunction(this.source)) {
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this.source(this.query, $.proxy(this.process, this));
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} else if (this.source) {
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this.process(this.source);
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}
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}, this);
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clearTimeout(this.lookupWorker);
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this.lookupWorker = setTimeout(worker, this.delay);
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},
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process: function (items) {
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var that = this;
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items = $.grep(items, function (item) {
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return that.matcher(item);
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});
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items = this.sorter(items);
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if (!items.length && !this.options.addItem) {
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return this.shown ? this.hide() : this;
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}
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if (items.length > 0) {
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this.$element.data('active', items[0]);
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} else {
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this.$element.data('active', null);
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}
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if (this.options.items != 'all') {
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items = items.slice(0, this.options.items);
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}
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// Add item
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if (this.options.addItem) {
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items.push(this.options.addItem);
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}
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return this.render(items).show();
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},
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matcher: function (item) {
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var it = this.displayText(item);
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return ~it.toLowerCase().indexOf(this.query.toLowerCase());
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},
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sorter: function (items) {
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var beginswith = [];
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var caseSensitive = [];
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var caseInsensitive = [];
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var item;
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while ((item = items.shift())) {
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var it = this.displayText(item);
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if (!it.toLowerCase().indexOf(this.query.toLowerCase())) {
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beginswith.push(item);
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} else if (~it.indexOf(this.query)) {
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caseSensitive.push(item);
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} else {
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caseInsensitive.push(item);
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}
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}
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return beginswith.concat(caseSensitive, caseInsensitive);
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},
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highlighter: function (item) {
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var text = this.query;
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if (text === '') {
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return item;
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}
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var matches = item.match(/(>)([^<]*)(<)/g);
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var first = [];
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var second = [];
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var i;
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if (matches && matches.length) {
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// html
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for (i = 0; i < matches.length; ++i) {
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if (matches[i].length > 2) {// escape '><'
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first.push(matches[i]);
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}
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}
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} else {
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// text
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first = [];
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first.push(item);
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}
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text = text.replace((/[\(\)\/\.\*\+\?\[\]]/g), function (mat) {
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return '\\' + mat;
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});
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var reg = new RegExp(text, 'ig');
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var m;
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for (i = 0; i < first.length; ++i) {
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m = first[i].match(reg);
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if (m && m.length > 0) {// find all text nodes matches
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second.push(first[i]);
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}
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}
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for (i = 0; i < second.length; ++i) {
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item = item.replace(second[i], second[i].replace(reg, '<strong>$&</strong>'));
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}
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return item;
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},
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render: function (items) {
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var that = this;
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var self = this;
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var activeFound = false;
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var data = [];
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var _category = that.options.separator;
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$.each(items, function (key, value) {
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// inject separator
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if (key > 0 && value[_category] !== items[key - 1][_category]) {
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data.push({
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__type: 'divider'
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});
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}
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if (that.showCategoryHeader) {
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// inject category header
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if (value[_category] && (key === 0 || value[_category] !== items[key - 1][_category])) {
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data.push({
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__type: 'category',
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name: value[_category]
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});
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}
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}
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data.push(value);
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});
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items = $(data).map(function (i, item) {
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if ((item.__type || false) == 'category'){
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return $(that.options.headerHtml || that.theme.headerHtml).text(item.name)[0];
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}
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if ((item.__type || false) == 'divider'){
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return $(that.options.headerDivider || that.theme.headerDivider)[0];
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}
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var text = self.displayText(item);
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i = $(that.options.item || that.theme.item).data('value', item);
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i.find(that.options.itemContentSelector || that.theme.itemContentSelector)
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.addBack(that.options.itemContentSelector || that.theme.itemContentSelector)
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.html(that.highlighter(text, item));
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if(that.options.followLinkOnSelect) {
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i.find('a').attr('href', self.itemLink(item));
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}
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i.find('a').attr('title', self.itemTitle(item));
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if (text == self.$element.val()) {
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i.addClass('active');
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self.$element.data('active', item);
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activeFound = true;
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}
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return i[0];
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});
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if (this.autoSelect && !activeFound) {
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items.filter(':not(.dropdown-header)').first().addClass('active');
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this.$element.data('active', items.first().data('value'));
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}
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this.$menu.html(items);
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return this;
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},
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displayText: function (item) {
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return typeof item !== 'undefined' && typeof item.name != 'undefined' ? item.name : item;
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},
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itemLink: function (item) {
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return null;
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},
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itemTitle: function (item) {
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return null;
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},
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next: function (event) {
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var active = this.$menu.find('.active').removeClass('active');
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var next = active.next();
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if (!next.length) {
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next = $(this.$menu.find($(this.options.item || this.theme.item).prop('tagName'))[0]);
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}
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while (next.hasClass('divider') || next.hasClass('dropdown-header')) {
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next = next.next();
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}
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next.addClass('active');
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// added for screen reader
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var newVal = this.updater(next.data('value'));
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if (this.changeInputOnMove) {
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this.$element.val(this.displayText(newVal) || newVal);
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}
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},
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prev: function (event) {
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var active = this.$menu.find('.active').removeClass('active');
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var prev = active.prev();
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if (!prev.length) {
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prev = this.$menu.find($(this.options.item || this.theme.item).prop('tagName')).last();
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}
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while (prev.hasClass('divider') || prev.hasClass('dropdown-header')) {
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prev = prev.prev();
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}
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prev.addClass('active');
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// added for screen reader
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var newVal = this.updater(prev.data('value'));
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if (this.changeInputOnMove) {
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this.$element.val(this.displayText(newVal) || newVal);
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}
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},
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listen: function () {
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this.$element
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.on('focus.bootstrap3Typeahead', $.proxy(this.focus, this))
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.on('blur.bootstrap3Typeahead', $.proxy(this.blur, this))
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.on('keypress.bootstrap3Typeahead', $.proxy(this.keypress, this))
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.on('propertychange.bootstrap3Typeahead input.bootstrap3Typeahead', $.proxy(this.input, this))
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.on('keyup.bootstrap3Typeahead', $.proxy(this.keyup, this));
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if (this.eventSupported('keydown')) {
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this.$element.on('keydown.bootstrap3Typeahead', $.proxy(this.keydown, this));
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}
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var itemTagName = $(this.options.item || this.theme.item).prop('tagName');
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if ('ontouchstart' in document.documentElement && 'onmousemove' in document.documentElement) {
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this.$menu
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.on('touchstart', itemTagName, $.proxy(this.touchstart, this))
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.on('touchend', itemTagName, $.proxy(this.click, this))
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.on('click', $.proxy(this.click, this))
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.on('mouseenter', itemTagName, $.proxy(this.mouseenter, this))
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.on('mouseleave', itemTagName, $.proxy(this.mouseleave, this))
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.on('mousedown', $.proxy(this.mousedown,this));
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} else if ('ontouchstart' in document.documentElement) {
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this.$menu
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.on('touchstart', itemTagName, $.proxy(this.touchstart, this))
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.on('touchend', itemTagName, $.proxy(this.click, this));
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} else {
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this.$menu
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.on('click', $.proxy(this.click, this))
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.on('mouseenter', itemTagName, $.proxy(this.mouseenter, this))
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.on('mouseleave', itemTagName, $.proxy(this.mouseleave, this))
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.on('mousedown', $.proxy(this.mousedown, this));
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}
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},
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destroy: function () {
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this.$element.data('typeahead', null);
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this.$element.data('active', null);
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this.$element
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.unbind('focus.bootstrap3Typeahead')
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.unbind('blur.bootstrap3Typeahead')
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.unbind('keypress.bootstrap3Typeahead')
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.unbind('propertychange.bootstrap3Typeahead input.bootstrap3Typeahead')
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.unbind('keyup.bootstrap3Typeahead');
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if (this.eventSupported('keydown')) {
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this.$element.unbind('keydown.bootstrap3-typeahead');
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}
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this.$menu.remove();
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this.destroyed = true;
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},
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eventSupported: function (eventName) {
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var isSupported = eventName in this.$element;
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if (!isSupported) {
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this.$element.setAttribute(eventName, 'return;');
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isSupported = typeof this.$element[eventName] === 'function';
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}
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return isSupported;
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},
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move: function (e) {
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if (!this.shown) {
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return;
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}
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switch (e.keyCode) {
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case 9: // tab
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|
case 13: // enter
|
|
case 27: // escape
|
|
e.preventDefault();
|
|
break;
|
|
|
|
case 38: // up arrow
|
|
// with the shiftKey (this is actually the left parenthesis)
|
|
if (e.shiftKey) {
|
|
return;
|
|
}
|
|
e.preventDefault();
|
|
this.prev();
|
|
break;
|
|
|
|
case 40: // down arrow
|
|
// with the shiftKey (this is actually the right parenthesis)
|
|
if (e.shiftKey) {
|
|
return;
|
|
}
|
|
e.preventDefault();
|
|
this.next();
|
|
break;
|
|
}
|
|
},
|
|
|
|
keydown: function (e) {
|
|
/**
|
|
* Prevent to make an ajax call while copying and pasting.
|
|
*
|
|
* @author Simone Sacchi
|
|
* @version 2018/01/18
|
|
*/
|
|
if (e.keyCode === 17) { // ctrl
|
|
return;
|
|
}
|
|
this.keyPressed = true;
|
|
this.suppressKeyPressRepeat = ~$.inArray(e.keyCode, [40, 38, 9, 13, 27]);
|
|
if (!this.shown && e.keyCode == 40) {
|
|
this.lookup();
|
|
} else {
|
|
this.move(e);
|
|
}
|
|
},
|
|
|
|
keypress: function (e) {
|
|
if (this.suppressKeyPressRepeat) {
|
|
return;
|
|
}
|
|
this.move(e);
|
|
},
|
|
|
|
input: function (e) {
|
|
// This is a fixed for IE10/11 that fires the input event when a placehoder is changed
|
|
// (https://connect.microsoft.com/IE/feedback/details/810538/ie-11-fires-input-event-on-focus)
|
|
var currentValue = this.$element.val() || this.$element.text();
|
|
if (this.value !== currentValue) {
|
|
this.value = currentValue;
|
|
this.lookup();
|
|
}
|
|
},
|
|
|
|
keyup: function (e) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
switch (e.keyCode) {
|
|
case 40: // down arrow
|
|
case 38: // up arrow
|
|
case 16: // shift
|
|
case 17: // ctrl
|
|
case 18: // alt
|
|
break;
|
|
|
|
case 9: // tab
|
|
if (!this.shown || (this.showHintOnFocus && !this.keyPressed)) {
|
|
return;
|
|
}
|
|
this.select();
|
|
break;
|
|
case 13: // enter
|
|
if (!this.shown) {
|
|
return;
|
|
}
|
|
this.select();
|
|
break;
|
|
|
|
case 27: // escape
|
|
if (!this.shown) {
|
|
return;
|
|
}
|
|
this.hide();
|
|
break;
|
|
}
|
|
|
|
},
|
|
|
|
focus: function (e) {
|
|
if (!this.focused) {
|
|
this.focused = true;
|
|
this.keyPressed = false;
|
|
if (this.options.showHintOnFocus && this.skipShowHintOnFocus !== true) {
|
|
if (this.options.showHintOnFocus === 'all') {
|
|
this.lookup('');
|
|
} else {
|
|
this.lookup();
|
|
}
|
|
}
|
|
}
|
|
if (this.skipShowHintOnFocus) {
|
|
this.skipShowHintOnFocus = false;
|
|
}
|
|
},
|
|
|
|
blur: function (e) {
|
|
if (!this.mousedover && !this.mouseddown && this.shown) {
|
|
if (this.selectOnBlur) {
|
|
this.select();
|
|
}
|
|
this.hide();
|
|
this.focused = false;
|
|
this.keyPressed = false;
|
|
} else if (this.mouseddown) {
|
|
// This is for IE that blurs the input when user clicks on scroll.
|
|
// We set the focus back on the input and prevent the lookup to occur again
|
|
this.skipShowHintOnFocus = true;
|
|
this.$element.focus();
|
|
this.mouseddown = false;
|
|
}
|
|
},
|
|
|
|
click: function (e) {
|
|
e.preventDefault();
|
|
this.skipShowHintOnFocus = true;
|
|
this.select();
|
|
this.$element.focus();
|
|
this.hide();
|
|
},
|
|
|
|
mouseenter: function (e) {
|
|
this.mousedover = true;
|
|
this.$menu.find('.active').removeClass('active');
|
|
$(e.currentTarget).addClass('active');
|
|
},
|
|
|
|
mouseleave: function (e) {
|
|
this.mousedover = false;
|
|
if (! this.selectOnBlur) {
|
|
this.$menu.find('.active').removeClass('active');
|
|
}
|
|
if (!this.focused && this.shown) {
|
|
this.hide();
|
|
}
|
|
},
|
|
|
|
/**
|
|
* We track the mousedown for IE. When clicking on the menu scrollbar, IE makes the input blur thus hiding the menu.
|
|
*/
|
|
mousedown: function (e) {
|
|
this.mouseddown = true;
|
|
this.$menu.one('mouseup', function (e) {
|
|
// IE won't fire this, but FF and Chrome will so we reset our flag for them here
|
|
this.mouseddown = false;
|
|
}.bind(this));
|
|
},
|
|
|
|
touchstart: function (e) {
|
|
e.preventDefault();
|
|
this.$menu.find('.active').removeClass('active');
|
|
$(e.currentTarget).addClass('active');
|
|
},
|
|
|
|
touchend: function (e) {
|
|
e.preventDefault();
|
|
this.select();
|
|
this.$element.focus();
|
|
}
|
|
|
|
};
|
|
|
|
|
|
/* TYPEAHEAD PLUGIN DEFINITION
|
|
* =========================== */
|
|
|
|
var old = $.fn.typeahead;
|
|
|
|
$.fn.typeahead = function (option) {
|
|
var arg = arguments;
|
|
if (typeof option == 'string' && option == 'getActive') {
|
|
return this.data('active');
|
|
}
|
|
return this.each(function () {
|
|
var $this = $(this);
|
|
var data = $this.data('typeahead');
|
|
var options = typeof option == 'object' && option;
|
|
if (!data) {
|
|
$this.data('typeahead', (data = new Typeahead(this, options)));
|
|
}
|
|
if (typeof option == 'string' && data[option]) {
|
|
if (arg.length > 1) {
|
|
data[option].apply(data, Array.prototype.slice.call(arg, 1));
|
|
} else {
|
|
data[option]();
|
|
}
|
|
}
|
|
});
|
|
};
|
|
|
|
Typeahead.defaults = {
|
|
source: [],
|
|
items: 8,
|
|
minLength: 1,
|
|
scrollHeight: 0,
|
|
autoSelect: true,
|
|
afterSelect: $.noop,
|
|
afterEmptySelect: $.noop,
|
|
addItem: false,
|
|
followLinkOnSelect: false,
|
|
delay: 0,
|
|
separator: 'category',
|
|
changeInputOnSelect: true,
|
|
changeInputOnMove: true,
|
|
openLinkInNewTab: false,
|
|
selectOnBlur: true,
|
|
showCategoryHeader: true,
|
|
theme: "bootstrap3",
|
|
themes: {
|
|
bootstrap3: {
|
|
menu: '<ul class="typeahead dropdown-menu" role="listbox"></ul>',
|
|
item: '<li><a class="dropdown-item" href="#" role="option"></a></li>',
|
|
itemContentSelector: "a",
|
|
headerHtml: '<li class="dropdown-header"></li>',
|
|
headerDivider: '<li class="divider" role="separator"></li>'
|
|
},
|
|
bootstrap4: {
|
|
menu: '<div class="typeahead dropdown-menu" role="listbox"></div>',
|
|
item: '<button class="dropdown-item" role="option"></button>',
|
|
itemContentSelector: '.dropdown-item',
|
|
headerHtml: '<h6 class="dropdown-header"></h6>',
|
|
headerDivider: '<div class="dropdown-divider"></div>'
|
|
}
|
|
}
|
|
};
|
|
|
|
$.fn.typeahead.Constructor = Typeahead;
|
|
|
|
/* TYPEAHEAD NO CONFLICT
|
|
* =================== */
|
|
|
|
$.fn.typeahead.noConflict = function () {
|
|
$.fn.typeahead = old;
|
|
return this;
|
|
};
|
|
|
|
|
|
/* TYPEAHEAD DATA-API
|
|
* ================== */
|
|
|
|
$(document).on('focus.typeahead.data-api', '[data-provide="typeahead"]', function (e) {
|
|
var $this = $(this);
|
|
if ($this.data('typeahead')) {
|
|
return;
|
|
}
|
|
$this.typeahead($this.data());
|
|
});
|
|
|
|
}));
|