537 lines
19 KiB
JavaScript
537 lines
19 KiB
JavaScript
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2016
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
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* EU, LV-1021.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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/**
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* ComboBox.js
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*
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* Created by Alexander Yuzhin on 1/22/14
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* Copyright (c) 2014 Ascensio System SIA. All rights reserved.
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*
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*/
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/**
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* Using template
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*
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* <div class="input-group input-group-nr combobox" id="id-combobox">
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* <input type="text" class="form-control">
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* <button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown"><span class="caret"></span></button>
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* <ul class="dropdown-menu"></ul>
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* </div>
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*
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*/
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if (Common === undefined)
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var Common = {};
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define([
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'common/main/lib/component/BaseView',
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'common/main/lib/component/Scroller'
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], function () {
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'use strict';
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Common.UI.ComboBoxModel = Backbone.Model.extend({
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defaults: function() {
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return {
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id: Common.UI.getId(),
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value: null,
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displayValue: null
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}
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}
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});
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Common.UI.ComboBoxStore = Backbone.Collection.extend({
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model: Common.UI.ComboBoxModel
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});
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Common.UI.ComboBox = Common.UI.BaseView.extend((function() {
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return {
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options : {
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id : null,
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cls : '',
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style : '',
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hint : false,
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editable : true,
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disabled : false,
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menuCls : '',
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menuStyle : '',
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displayField: 'displayValue',
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valueField : 'value'
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},
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template: _.template([
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'<span class="input-group combobox <%= cls %>" id="<%= id %>" style="<%= style %>">',
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'<input type="text" class="form-control">',
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'<button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown"><span class="caret img-commonctrl"></span></button>',
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'<ul class="dropdown-menu <%= menuCls %>" style="<%= menuStyle %>" role="menu">',
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'<% _.each(items, function(item) { %>',
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'<li id="<%= item.id %>" data-value="<%= item.value %>"><a tabindex="-1" type="menuitem"><%= scope.getDisplayValue(item) %></a></li>',
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'<% }); %>',
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'</ul>',
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'</span>'
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].join('')),
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initialize : function(options) {
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Common.UI.BaseView.prototype.initialize.call(this, options);
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var me = this,
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el = $(this.el);
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this.id = me.options.id || Common.UI.getId();
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this.cls = me.options.cls;
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this.style = me.options.style;
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this.menuCls = me.options.menuCls;
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this.menuStyle = me.options.menuStyle;
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this.template = me.options.template || me.template;
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this.hint = me.options.hint;
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this.editable = me.options.editable;
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this.disabled = me.options.disabled;
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this.store = me.options.store || new Common.UI.ComboBoxStore();
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this.displayField = me.options.displayField;
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this.valueField = me.options.valueField;
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me.rendered = me.options.rendered || false;
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this.lastValue = null;
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me.store.add(me.options.data);
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if (me.options.el) {
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me.render();
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}
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},
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render : function(parentEl) {
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var me = this;
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if (!me.rendered) {
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this.cmpEl = $(this.template({
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id : this.id,
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cls : this.cls,
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style : this.style,
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menuCls : this.menuCls,
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menuStyle : this.menuStyle,
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items : this.store.toJSON(),
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scope : me
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}));
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if (parentEl) {
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this.setElement(parentEl, false);
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parentEl.html(this.cmpEl);
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} else {
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$(this.el).html(this.cmpEl);
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}
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} else {
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this.cmpEl = $(this.el);
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}
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if (!me.rendered) {
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var el = this.cmpEl;
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this._input = el.find('input');
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this._button = el.find('.btn');
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el.on('click', 'a', _.bind(this.itemClicked, this));
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el.on('mousedown', 'a', _.bind(this.itemMouseDown, this));
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if (this.editable) {
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el.on('change', 'input', _.bind(this.onInputChanged, this));
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el.on('keydown', 'input', _.bind(this.onInputKeyDown, this));
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el.on('focusin', 'input', _.bind(this.onInputFocusIn, this));
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el.on('click', '.form-control', _.bind(this.onEditableInputClick, this));
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} else {
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el.on('click', '.form-control', _.bind(this.onInputClick, this));
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this._input.attr('readonly', 'readonly');
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this._input.attr('data-can-copy', false);
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}
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if (me.options.hint) {
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el.attr('data-toggle', 'tooltip');
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el.tooltip({
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title : me.options.hint,
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placement : me.options.hintAnchor||'cursor'
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});
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}
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el.on('show.bs.dropdown', _.bind(me.onBeforeShowMenu, me));
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el.on('shown.bs.dropdown', _.bind(me.onAfterShowMenu, me));
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el.on('hide.bs.dropdown', _.bind(me.onBeforeHideMenu, me));
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el.on('hidden.bs.dropdown', _.bind(me.onAfterHideMenu, me));
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el.on('keydown.after.bs.dropdown', _.bind(me.onAfterKeydownMenu, me));
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Common.NotificationCenter.on('menumanager:hideall', _.bind(me.closeMenu, me));
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this.scroller = new Common.UI.Scroller({
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el: $('.dropdown-menu', me.cmpEl),
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minScrollbarLength : 40,
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scrollYMarginOffset: 30,
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includePadding : true
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});
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// set default selection
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this.setDefaultSelection();
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this.listenTo(this.store, 'reset', this.onResetItems);
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}
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me.rendered = true;
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if (me.disabled) me.setDisabled(me.disabled);
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return this;
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},
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setData: function(data) {
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this.store.reset([]);
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this.store.add(data);
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this.setRawValue('');
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this.onResetItems();
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},
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openMenu: function(delay) {
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var me = this;
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_.delay(function(){
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me.cmpEl.addClass('open')
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}, delay || 0);
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},
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closeMenu: function() {
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this.cmpEl.removeClass('open');
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},
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isMenuOpen: function() {
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return this.cmpEl.hasClass('open');
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},
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onBeforeShowMenu: function(e) {
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Common.NotificationCenter.trigger('menu:show');
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this.trigger('show:before', this, e);
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if (this.options.hint) {
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var tip = this.cmpEl.data('bs.tooltip');
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if (tip) {
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if (tip.dontShow===undefined)
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tip.dontShow = true;
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tip.hide();
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}
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}
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},
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onAfterShowMenu: function(e) {
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var $list = $(this.el).find('ul'),
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$selected = $list.find('> li.selected');
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if ($selected.length) {
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var itemTop = $selected.position().top,
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itemHeight = $selected.height(),
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listHeight = $list.height();
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if (itemTop < 0 || itemTop + itemHeight > listHeight) {
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$list.scrollTop($list.scrollTop() + itemTop + itemHeight - (listHeight/2));
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}
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}
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if (this.scroller)
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this.scroller.update();
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this.trigger('show:after', this, e);
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},
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onBeforeHideMenu: function(e) {
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this.trigger('hide:before', this, e);
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if (Common.UI.Scroller.isMouseCapture())
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e.preventDefault();
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},
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onAfterHideMenu: function(e) {
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this.cmpEl.find('.dropdown-toggle').blur();
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this.trigger('hide:after', this, e);
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Common.NotificationCenter.trigger('menu:hide');
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},
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onAfterKeydownMenu: function(e) {
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if (e.keyCode == Common.UI.Keys.RETURN) {
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$(e.target).click();
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var me = this;
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if (this.rendered) {
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if (Common.Utils.isIE)
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this._input.trigger('change', { onkeydown: true });
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else
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this._input.blur();
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}
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return false;
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}
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else if (e.keyCode == Common.UI.Keys.ESC && this.isMenuOpen()) {
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this.closeMenu();
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this.onAfterHideMenu(e);
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return false;
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}
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},
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onInputKeyDown: function(e) {
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var me = this;
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if (e.keyCode == Common.UI.Keys.ESC){
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this.closeMenu();
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this.onAfterHideMenu(e);
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} else if (e.keyCode == Common.UI.Keys.UP || e.keyCode == Common.UI.Keys.DOWN) {
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if (!this.isMenuOpen())
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this.openMenu();
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_.delay(function() {
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me._skipInputChange = true;
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me.cmpEl.find('ul li:first a').focus();
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}, 10);
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} else
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me._skipInputChange = false;
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},
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onInputFocusIn: function(e) {
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this.trigger('combo:focusin', this, e);
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},
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onInputChanged: function(e, extra) {
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// skip processing for internally-generated synthetic event
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// to avoid double processing
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if (extra && extra.synthetic)
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return;
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if (this._skipInputChange) {
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this._skipInputChange = false; return;
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}
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var val = $(e.target).val(),
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record = {};
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if (this.lastValue === val) {
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if (extra && extra.onkeydown)
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this.trigger('combo:blur', this, e);
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return;
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}
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record[this.valueField] = val;
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this.trigger('changed:before', this, record, e);
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if (e.isDefaultPrevented())
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return;
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var obj;
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this._selectedItem = this.store.findWhere((obj={}, obj[this.displayField]=val, obj));
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if (this._selectedItem) {
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record = this._selectedItem.toJSON();
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$('.selected', $(this.el)).removeClass('selected');
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$('#' + this._selectedItem.get('id'), $(this.el)).addClass('selected');
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}
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// trigger changed event
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this.trigger('changed:after', this, record, e);
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},
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onInputClick: function(e) {
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if (this._button)
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this._button.dropdown('toggle');
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e.preventDefault();
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e.stopPropagation();
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},
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onEditableInputClick: function(e) {
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if (this.options.hint) {
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var tip = this.cmpEl.data('bs.tooltip');
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if (tip) {
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if (tip.dontShow===undefined)
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tip.dontShow = true;
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tip.hide();
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}
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}
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if (this.isMenuOpen() && e.which == 1)
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e.stopPropagation();
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},
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setDefaultSelection: function () {
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if (!this.rendered)
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return;
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var val = this._input.val(),
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obj;
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if (val) {
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this._selectedItem = this.store.findWhere((obj={}, obj[this.displayField]=val, obj));
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if (this._selectedItem) {
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$('.selected', $(this.el)).removeClass('selected');
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$('#' + this._selectedItem.get('id'), $(this.el)).addClass('selected');
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}
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}
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},
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setDisabled: function(disabled) {
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this.disabled = disabled;
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if (!this.rendered)
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return;
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disabled
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? this._input.attr('disabled', true)
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: this._input.removeAttr('disabled');
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this.cmpEl.toggleClass('disabled', disabled);
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this._button.toggleClass('disabled', disabled);
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},
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isDisabled: function() {
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return this.disabled;
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},
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setRawValue: function(value) {
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if (this.rendered) {
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this._input.val(value).trigger('change', { synthetic: true });
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this.lastValue = (value!==null && value !== undefined) ? value.toString() : value;
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}
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},
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getRawValue: function() {
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return this.rendered ? this._input.val() : null;
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},
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setValue: function(value) {
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if (!this.rendered)
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return;
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var obj;
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this._selectedItem = this.store.findWhere((obj={}, obj[this.valueField]=value, obj));
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$('.selected', $(this.el)).removeClass('selected');
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if (this._selectedItem) {
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this.setRawValue(this._selectedItem.get(this.displayField));
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$('#' + this._selectedItem.get('id'), $(this.el)).addClass('selected');
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} else {
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this.setRawValue(value);
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}
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},
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getValue: function() {
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if (!this.rendered)
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return null;
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if (this._selectedItem && !_.isUndefined(this._selectedItem.get(this.valueField))) {
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return this._selectedItem.get(this.valueField);
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}
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return this._input.val();
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},
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getDisplayValue: function(record) {
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return Common.Utils.String.htmlEncode(record[this.displayField]);
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},
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getSelectedRecord: function() {
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if (!this.rendered)
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return null;
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if (this._selectedItem && !_.isUndefined(this._selectedItem.get(this.valueField))) {
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return _.extend({}, this._selectedItem.toJSON());
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}
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return null;
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},
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selectRecord: function(record) {
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if (!this.rendered || !record)
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return;
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this._selectedItem = record;
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$('.selected', $(this.el)).removeClass('selected');
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this.setRawValue(this._selectedItem.get(this.displayField));
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$('#' + this._selectedItem.get('id'), $(this.el)).addClass('selected');
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},
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itemClicked: function (e) {
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var el = $(e.target).closest('li');
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this._selectedItem = this.store.findWhere({
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id: el.attr('id')
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});
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if (this._selectedItem) {
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// set input text and trigger input change event marked as synthetic
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this.lastValue = this._selectedItem.get(this.displayField);
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this._input.val(this.lastValue).trigger('change', { synthetic: true });
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$('.selected', $(this.el)).removeClass('selected');
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el.addClass('selected');
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// trigger changed event
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this.trigger('selected', this, _.extend({}, this._selectedItem.toJSON()), e);
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e.preventDefault();
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}
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this._isMouseDownMenu = false;
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},
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itemMouseDown: function(e) {
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if (e.which != 1) {
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e.preventDefault();
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e.stopPropagation();
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return false;
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}
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this._isMouseDownMenu = true;
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},
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onResetItems: function() {
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$(this.el).find('ul').html(_.template([
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'<% _.each(items, function(item) { %>',
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'<li id="<%= item.id %>" data-value="<%= item.value %>"><a tabindex="-1" type="menuitem"><%= scope.getDisplayValue(item) %></a></li>',
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'<% }); %>'
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].join(''), {
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items: this.store.toJSON(),
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scope: this
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}));
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if (!_.isUndefined(this.scroller)) {
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this.scroller.destroy();
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delete this.scroller;
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}
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this.scroller = new Common.UI.Scroller({
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el: $('.dropdown-menu', this.cmpEl),
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minScrollbarLength : 40,
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scrollYMarginOffset: 30,
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includePadding : true
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});
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}
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}
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})());
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}); |