[631] | 1 | /*! |
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| 2 | * Ext JS Library 3.0.0 |
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| 3 | * Copyright(c) 2006-2009 Ext JS, LLC |
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| 4 | * licensing@extjs.com |
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| 5 | * http://www.extjs.com/license |
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| 6 | */ |
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| 7 | |
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| 8 | |
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| 9 | Ext.ux.TabScrollerMenu = Ext.extend(Object, { |
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| 10 | pageSize : 10, |
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| 11 | maxText : 15, |
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| 12 | menuPrefixText : 'Items', |
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| 13 | constructor : function(config) { |
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| 14 | config = config || {}; |
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| 15 | Ext.apply(this, config); |
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| 16 | }, |
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| 17 | init : function(tabPanel) { |
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| 18 | Ext.apply(tabPanel, this.tabPanelMethods); |
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| 19 | |
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| 20 | tabPanel.tabScrollerMenu = this; |
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| 21 | var thisRef = this; |
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| 22 | |
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| 23 | tabPanel.on({ |
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| 24 | render : { |
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| 25 | scope : tabPanel, |
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| 26 | single : true, |
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| 27 | fn : function() { |
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| 28 | var newFn = tabPanel.createScrollers.createSequence(thisRef.createPanelsMenu, this); |
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| 29 | tabPanel.createScrollers = newFn; |
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| 30 | } |
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| 31 | } |
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| 32 | }); |
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| 33 | }, |
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| 34 | // private && sequeneced |
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| 35 | createPanelsMenu : function() { |
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| 36 | var h = this.stripWrap.dom.offsetHeight; |
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| 37 | |
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| 38 | //move the right menu item to the left 18px |
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| 39 | var rtScrBtn = this.header.dom.firstChild; |
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| 40 | Ext.fly(rtScrBtn).applyStyles({ |
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| 41 | right : '18px' |
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| 42 | }); |
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| 43 | |
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| 44 | var stripWrap = Ext.get(this.strip.dom.parentNode); |
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| 45 | stripWrap.applyStyles({ |
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| 46 | 'margin-right' : '36px' |
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| 47 | }); |
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| 48 | |
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| 49 | // Add the new righthand menu |
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| 50 | var scrollMenu = this.header.insertFirst({ |
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| 51 | cls:'x-tab-tabmenu-right' |
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| 52 | }); |
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| 53 | scrollMenu.setHeight(h); |
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| 54 | scrollMenu.addClassOnOver('x-tab-tabmenu-over'); |
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| 55 | scrollMenu.on('click', this.showTabsMenu, this); |
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| 56 | |
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| 57 | this.scrollLeft.show = this.scrollLeft.show.createSequence(function() { |
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| 58 | scrollMenu.show(); |
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| 59 | }); |
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| 60 | |
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| 61 | this.scrollLeft.hide = this.scrollLeft.hide.createSequence(function() { |
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| 62 | scrollMenu.hide(); |
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| 63 | }); |
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| 64 | |
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| 65 | }, |
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| 66 | // public |
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| 67 | getPageSize : function() { |
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| 68 | return this.pageSize; |
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| 69 | }, |
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| 70 | // public |
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| 71 | setPageSize : function(pageSize) { |
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| 72 | this.pageSize = pageSize; |
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| 73 | }, |
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| 74 | // public |
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| 75 | getMaxText : function() { |
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| 76 | return this.maxText; |
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| 77 | }, |
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| 78 | // public |
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| 79 | setMaxText : function(t) { |
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| 80 | this.maxText = t; |
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| 81 | }, |
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| 82 | getMenuPrefixText : function() { |
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| 83 | return this.menuPrefixText; |
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| 84 | }, |
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| 85 | setMenuPrefixText : function(t) { |
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| 86 | this.menuPrefixText = t; |
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| 87 | }, |
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| 88 | // private && applied to the tab panel itself. |
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| 89 | tabPanelMethods : { |
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| 90 | // all execute within the scope of the tab panel |
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| 91 | // private |
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| 92 | showTabsMenu : function(e) { |
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| 93 | if (! this.tabsMenu) { |
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| 94 | this.tabsMenu = new Ext.menu.Menu(); |
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| 95 | this.on('beforedestroy', this.tabsMenu.destroy, this.tabsMenu); |
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| 96 | } |
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| 97 | |
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| 98 | this.tabsMenu.removeAll(); |
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| 99 | |
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| 100 | this.generateTabMenuItems(); |
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| 101 | |
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| 102 | var target = Ext.get(e.getTarget()); |
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| 103 | var xy = target.getXY(); |
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| 104 | |
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| 105 | //Y param + 24 pixels |
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| 106 | xy[1] += 24; |
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| 107 | |
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| 108 | this.tabsMenu.showAt(xy); |
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| 109 | }, |
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| 110 | // private |
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| 111 | generateTabMenuItems : function() { |
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| 112 | var curActive = this.getActiveTab(); |
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| 113 | var totalItems = this.items.getCount(); |
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| 114 | var pageSize = this.tabScrollerMenu.getPageSize(); |
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| 115 | |
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| 116 | |
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| 117 | if (totalItems > pageSize) { |
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| 118 | var numSubMenus = Math.floor(totalItems / pageSize); |
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| 119 | var remainder = totalItems % pageSize; |
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| 120 | |
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| 121 | // Loop through all of the items and create submenus in chunks of 10 |
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| 122 | for (var i = 0 ; i < numSubMenus; i++) { |
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| 123 | var curPage = (i + 1) * pageSize; |
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| 124 | var menuItems = []; |
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| 125 | |
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| 126 | |
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| 127 | for (var x = 0; x < pageSize; x++) { |
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| 128 | index = x + curPage - pageSize; |
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| 129 | var item = this.items.get(index); |
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| 130 | menuItems.push(this.autoGenMenuItem(item)); |
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| 131 | } |
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| 132 | |
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| 133 | this.tabsMenu.add({ |
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| 134 | text : this.tabScrollerMenu.getMenuPrefixText() + ' ' + (curPage - pageSize + 1) + ' - ' + curPage, |
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| 135 | menu : menuItems |
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| 136 | }); |
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| 137 | |
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| 138 | } |
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| 139 | // remaining items |
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| 140 | if (remainder > 0) { |
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| 141 | var start = numSubMenus * pageSize; |
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| 142 | menuItems = []; |
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| 143 | for (var i = start ; i < totalItems; i ++ ) { |
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| 144 | var item = this.items.get(i); |
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| 145 | menuItems.push(this.autoGenMenuItem(item)); |
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| 146 | } |
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| 147 | |
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| 148 | |
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| 149 | this.tabsMenu.add({ |
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| 150 | text : this.tabScrollerMenu.menuPrefixText + ' ' + (start + 1) + ' - ' + (start + menuItems.length), |
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| 151 | menu : menuItems |
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| 152 | }); |
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| 153 | |
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| 154 | |
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| 155 | } |
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| 156 | } |
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| 157 | else { |
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| 158 | this.items.each(function(item) { |
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| 159 | if (item.id != curActive.id && ! item.hidden) { |
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| 160 | menuItems.push(this.autoGenMenuItem(item)); |
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| 161 | } |
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| 162 | }, this); |
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| 163 | } |
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| 164 | }, |
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| 165 | // private |
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| 166 | autoGenMenuItem : function(item) { |
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| 167 | var maxText = this.tabScrollerMenu.getMaxText(); |
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| 168 | var text = Ext.util.Format.ellipsis(item.title, maxText); |
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| 169 | |
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| 170 | return { |
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| 171 | text : text, |
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| 172 | handler : this.showTabFromMenu, |
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| 173 | scope : this, |
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| 174 | disabled : item.disabled, |
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| 175 | tabToShow : item, |
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| 176 | iconCls : item.iconCls |
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| 177 | } |
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| 178 | |
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| 179 | }, |
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| 180 | // private |
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| 181 | showTabFromMenu : function(menuItem) { |
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| 182 | this.setActiveTab(menuItem.tabToShow); |
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| 183 | } |
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| 184 | } |
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| 185 | }); |
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