1 | /* |
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2 | * Ext JS Library 2.2.1 |
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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 | * |
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6 | * http://extjs.com/license |
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7 | */ |
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8 | |
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9 | /** |
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10 | * @class Ext.menu.Menu |
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11 | * @extends Ext.util.Observable |
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12 | * A menu object. This is the container to which you add all other menu items. Menu can also serve as a base class |
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13 | * when you want a specialized menu based off of another component (like {@link Ext.menu.DateMenu} for example). |
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14 | * @constructor |
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15 | * Creates a new Menu |
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16 | * @param {Object} config Configuration options |
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17 | */ |
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18 | Ext.menu.Menu = function(config){ |
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19 | if(Ext.isArray(config)){ |
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20 | config = {items:config}; |
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21 | } |
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22 | Ext.apply(this, config); |
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23 | this.id = this.id || Ext.id(); |
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24 | this.addEvents( |
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25 | /** |
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26 | * @event beforeshow |
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27 | * Fires before this menu is displayed |
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28 | * @param {Ext.menu.Menu} this |
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29 | */ |
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30 | 'beforeshow', |
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31 | /** |
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32 | * @event beforehide |
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33 | * Fires before this menu is hidden |
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34 | * @param {Ext.menu.Menu} this |
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35 | */ |
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36 | 'beforehide', |
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37 | /** |
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38 | * @event show |
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39 | * Fires after this menu is displayed |
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40 | * @param {Ext.menu.Menu} this |
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41 | */ |
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42 | 'show', |
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43 | /** |
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44 | * @event hide |
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45 | * Fires after this menu is hidden |
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46 | * @param {Ext.menu.Menu} this |
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47 | */ |
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48 | 'hide', |
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49 | /** |
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50 | * @event click |
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51 | * Fires when this menu is clicked (or when the enter key is pressed while it is active) |
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52 | * @param {Ext.menu.Menu} this |
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53 | * @param {Ext.menu.Item} menuItem The menu item that was clicked |
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54 | * @param {Ext.EventObject} e |
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55 | */ |
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56 | 'click', |
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57 | /** |
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58 | * @event mouseover |
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59 | * Fires when the mouse is hovering over this menu |
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60 | * @param {Ext.menu.Menu} this |
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61 | * @param {Ext.EventObject} e |
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62 | * @param {Ext.menu.Item} menuItem The menu item that was clicked |
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63 | */ |
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64 | 'mouseover', |
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65 | /** |
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66 | * @event mouseout |
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67 | * Fires when the mouse exits this menu |
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68 | * @param {Ext.menu.Menu} this |
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69 | * @param {Ext.EventObject} e |
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70 | * @param {Ext.menu.Item} menuItem The menu item that was clicked |
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71 | */ |
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72 | 'mouseout', |
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73 | /** |
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74 | * @event itemclick |
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75 | * Fires when a menu item contained in this menu is clicked |
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76 | * @param {Ext.menu.BaseItem} baseItem The BaseItem that was clicked |
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77 | * @param {Ext.EventObject} e |
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78 | */ |
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79 | 'itemclick' |
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80 | ); |
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81 | Ext.menu.MenuMgr.register(this); |
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82 | Ext.menu.Menu.superclass.constructor.call(this); |
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83 | var mis = this.items; |
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84 | /** |
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85 | * A MixedCollection of this Menu's items |
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86 | * @property items |
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87 | * @type Ext.util.MixedCollection |
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88 | */ |
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89 | |
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90 | this.items = new Ext.util.MixedCollection(); |
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91 | if(mis){ |
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92 | this.add.apply(this, mis); |
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93 | } |
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94 | }; |
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95 | |
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96 | Ext.extend(Ext.menu.Menu, Ext.util.Observable, { |
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97 | /** |
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98 | * @cfg {Object} defaults |
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99 | * A config object that will be applied to all items added to this container either via the {@link #items} |
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100 | * config or via the {@link #add} method. The defaults config can contain any number of |
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101 | * name/value property pairs to be added to each item, and should be valid for the types of items |
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102 | * being added to the menu. |
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103 | */ |
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104 | /** |
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105 | * @cfg {Mixed} items |
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106 | * An array of items to be added to this menu. See {@link #add} for a list of valid item types. |
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107 | */ |
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108 | /** |
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109 | * @cfg {Number} minWidth The minimum width of the menu in pixels (defaults to 120) |
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110 | */ |
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111 | minWidth : 120, |
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112 | /** |
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113 | * @cfg {Boolean/String} shadow True or "sides" for the default effect, "frame" for 4-way shadow, and "drop" |
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114 | * for bottom-right shadow (defaults to "sides") |
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115 | */ |
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116 | shadow : "sides", |
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117 | /** |
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118 | * @cfg {String} subMenuAlign The {@link Ext.Element#alignTo} anchor position value to use for submenus of |
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119 | * this menu (defaults to "tl-tr?") |
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120 | */ |
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121 | subMenuAlign : "tl-tr?", |
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122 | /** |
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123 | * @cfg {String} defaultAlign The default {@link Ext.Element#alignTo} anchor position value for this menu |
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124 | * relative to its element of origin (defaults to "tl-bl?") |
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125 | */ |
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126 | defaultAlign : "tl-bl?", |
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127 | /** |
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128 | * @cfg {Boolean} allowOtherMenus True to allow multiple menus to be displayed at the same time (defaults to false) |
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129 | */ |
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130 | allowOtherMenus : false, |
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131 | /** |
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132 | * @cfg {Boolean} ignoreParentClicks True to ignore clicks on any item in this menu that is a parent item (displays |
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133 | * a submenu) so that the submenu is not dismissed when clicking the parent item (defaults to false). |
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134 | */ |
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135 | ignoreParentClicks : false, |
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136 | |
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137 | // private |
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138 | hidden:true, |
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139 | |
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140 | // private |
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141 | createEl : function(){ |
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142 | return new Ext.Layer({ |
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143 | cls: "x-menu", |
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144 | shadow:this.shadow, |
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145 | constrain: false, |
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146 | parentEl: this.parentEl || document.body, |
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147 | zindex:15000 |
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148 | }); |
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149 | }, |
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150 | |
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151 | // private |
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152 | render : function(){ |
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153 | if(this.el){ |
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154 | return; |
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155 | } |
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156 | var el = this.el = this.createEl(); |
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157 | |
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158 | if(!this.keyNav){ |
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159 | this.keyNav = new Ext.menu.MenuNav(this); |
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160 | } |
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161 | if(this.plain){ |
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162 | el.addClass("x-menu-plain"); |
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163 | } |
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164 | if(this.cls){ |
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165 | el.addClass(this.cls); |
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166 | } |
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167 | // generic focus element |
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168 | this.focusEl = el.createChild({ |
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169 | tag: "a", cls: "x-menu-focus", href: "#", onclick: "return false;", tabIndex:"-1" |
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170 | }); |
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171 | var ul = el.createChild({tag: "ul", cls: "x-menu-list"}); |
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172 | ul.on("click", this.onClick, this); |
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173 | ul.on("mouseover", this.onMouseOver, this); |
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174 | ul.on("mouseout", this.onMouseOut, this); |
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175 | this.items.each(function(item){ |
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176 | var li = document.createElement("li"); |
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177 | li.className = "x-menu-list-item"; |
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178 | ul.dom.appendChild(li); |
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179 | item.render(li, this); |
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180 | }, this); |
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181 | this.ul = ul; |
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182 | this.autoWidth(); |
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183 | }, |
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184 | |
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185 | // private |
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186 | autoWidth : function(){ |
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187 | var el = this.el, ul = this.ul; |
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188 | if(!el){ |
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189 | return; |
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190 | } |
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191 | var w = this.width; |
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192 | if(w){ |
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193 | el.setWidth(w); |
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194 | }else if(Ext.isIE){ |
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195 | el.setWidth(this.minWidth); |
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196 | var t = el.dom.offsetWidth; // force recalc |
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197 | el.setWidth(ul.getWidth()+el.getFrameWidth("lr")); |
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198 | } |
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199 | }, |
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200 | |
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201 | // private |
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202 | delayAutoWidth : function(){ |
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203 | if(this.el){ |
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204 | if(!this.awTask){ |
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205 | this.awTask = new Ext.util.DelayedTask(this.autoWidth, this); |
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206 | } |
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207 | this.awTask.delay(20); |
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208 | } |
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209 | }, |
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210 | |
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211 | // private |
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212 | findTargetItem : function(e){ |
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213 | var t = e.getTarget(".x-menu-list-item", this.ul, true); |
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214 | if(t && t.menuItemId){ |
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215 | return this.items.get(t.menuItemId); |
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216 | } |
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217 | }, |
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218 | |
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219 | // private |
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220 | onClick : function(e){ |
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221 | var t; |
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222 | if(t = this.findTargetItem(e)){ |
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223 | if(t.menu && this.ignoreParentClicks){ |
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224 | t.expandMenu(); |
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225 | }else{ |
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226 | t.onClick(e); |
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227 | this.fireEvent("click", this, t, e); |
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228 | } |
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229 | } |
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230 | }, |
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231 | |
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232 | // private |
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233 | setActiveItem : function(item, autoExpand){ |
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234 | if(item != this.activeItem){ |
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235 | if(this.activeItem){ |
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236 | this.activeItem.deactivate(); |
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237 | } |
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238 | this.activeItem = item; |
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239 | item.activate(autoExpand); |
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240 | }else if(autoExpand){ |
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241 | item.expandMenu(); |
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242 | } |
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243 | }, |
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244 | |
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245 | // private |
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246 | tryActivate : function(start, step){ |
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247 | var items = this.items; |
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248 | for(var i = start, len = items.length; i >= 0 && i < len; i+= step){ |
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249 | var item = items.get(i); |
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250 | if(!item.disabled && item.canActivate){ |
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251 | this.setActiveItem(item, false); |
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252 | return item; |
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253 | } |
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254 | } |
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255 | return false; |
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256 | }, |
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257 | |
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258 | // private |
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259 | onMouseOver : function(e){ |
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260 | var t; |
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261 | if(t = this.findTargetItem(e)){ |
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262 | if(t.canActivate && !t.disabled){ |
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263 | this.setActiveItem(t, true); |
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264 | } |
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265 | } |
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266 | this.over = true; |
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267 | this.fireEvent("mouseover", this, e, t); |
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268 | }, |
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269 | |
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270 | // private |
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271 | onMouseOut : function(e){ |
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272 | var t; |
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273 | if(t = this.findTargetItem(e)){ |
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274 | if(t == this.activeItem && t.shouldDeactivate(e)){ |
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275 | this.activeItem.deactivate(); |
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276 | delete this.activeItem; |
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277 | } |
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278 | } |
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279 | this.over = false; |
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280 | this.fireEvent("mouseout", this, e, t); |
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281 | }, |
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282 | |
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283 | /** |
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284 | * Read-only. Returns true if the menu is currently displayed, else false. |
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285 | * @type Boolean |
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286 | */ |
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287 | isVisible : function(){ |
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288 | return this.el && !this.hidden; |
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289 | }, |
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290 | |
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291 | /** |
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292 | * Displays this menu relative to another element |
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293 | * @param {Mixed} element The element to align to |
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294 | * @param {String} position (optional) The {@link Ext.Element#alignTo} anchor position to use in aligning to |
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295 | * the element (defaults to this.defaultAlign) |
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296 | * @param {Ext.menu.Menu} parentMenu (optional) This menu's parent menu, if applicable (defaults to undefined) |
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297 | */ |
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298 | show : function(el, pos, parentMenu){ |
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299 | this.parentMenu = parentMenu; |
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300 | if(!this.el){ |
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301 | this.render(); |
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302 | } |
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303 | this.fireEvent("beforeshow", this); |
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304 | this.showAt(this.el.getAlignToXY(el, pos || this.defaultAlign), parentMenu, false); |
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305 | }, |
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306 | |
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307 | /** |
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308 | * Displays this menu at a specific xy position |
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309 | * @param {Array} xyPosition Contains X & Y [x, y] values for the position at which to show the menu (coordinates are page-based) |
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310 | * @param {Ext.menu.Menu} parentMenu (optional) This menu's parent menu, if applicable (defaults to undefined) |
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311 | */ |
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312 | showAt : function(xy, parentMenu, /* private: */_e){ |
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313 | this.parentMenu = parentMenu; |
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314 | if(!this.el){ |
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315 | this.render(); |
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316 | } |
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317 | if(_e !== false){ |
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318 | this.fireEvent("beforeshow", this); |
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319 | xy = this.el.adjustForConstraints(xy); |
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320 | } |
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321 | this.el.setXY(xy); |
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322 | this.el.show(); |
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323 | this.hidden = false; |
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324 | this.focus(); |
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325 | this.fireEvent("show", this); |
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326 | }, |
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327 | |
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328 | |
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329 | |
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330 | focus : function(){ |
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331 | if(!this.hidden){ |
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332 | this.doFocus.defer(50, this); |
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333 | } |
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334 | }, |
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335 | |
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336 | doFocus : function(){ |
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337 | if(!this.hidden){ |
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338 | this.focusEl.focus(); |
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339 | } |
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340 | }, |
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341 | |
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342 | /** |
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343 | * Hides this menu and optionally all parent menus |
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344 | * @param {Boolean} deep (optional) True to hide all parent menus recursively, if any (defaults to false) |
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345 | */ |
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346 | hide : function(deep){ |
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347 | if(this.el && this.isVisible()){ |
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348 | this.fireEvent("beforehide", this); |
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349 | if(this.activeItem){ |
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350 | this.activeItem.deactivate(); |
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351 | this.activeItem = null; |
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352 | } |
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353 | this.el.hide(); |
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354 | this.hidden = true; |
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355 | this.fireEvent("hide", this); |
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356 | } |
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357 | if(deep === true && this.parentMenu){ |
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358 | this.parentMenu.hide(true); |
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359 | } |
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360 | }, |
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361 | |
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362 | /** |
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363 | * Adds one or more items of any type supported by the Menu class, or that can be converted into menu items. |
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364 | * Any of the following are valid: |
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365 | * <ul> |
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366 | * <li>Any menu item object based on {@link Ext.menu.BaseItem}</li> |
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367 | * <li>An HTMLElement object which will be converted to a menu item</li> |
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368 | * <li>A menu item config object that will be created as a new menu item</li> |
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369 | * <li>A string, which can either be '-' or 'separator' to add a menu separator, otherwise |
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370 | * it will be converted into a {@link Ext.menu.TextItem} and added</li> |
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371 | * </ul> |
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372 | * Usage: |
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373 | * <pre><code> |
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374 | // Create the menu |
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375 | var menu = new Ext.menu.Menu(); |
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376 | |
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377 | // Create a menu item to add by reference |
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378 | var menuItem = new Ext.menu.Item({ text: 'New Item!' }); |
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379 | |
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380 | // Add a bunch of items at once using different methods. |
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381 | // Only the last item added will be returned. |
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382 | var item = menu.add( |
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383 | menuItem, // add existing item by ref |
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384 | 'Dynamic Item', // new TextItem |
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385 | '-', // new separator |
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386 | { text: 'Config Item' } // new item by config |
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387 | ); |
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388 | </code></pre> |
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389 | * @param {Mixed} args One or more menu items, menu item configs or other objects that can be converted to menu items |
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390 | * @return {Ext.menu.Item} The menu item that was added, or the last one if multiple items were added |
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391 | */ |
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392 | add : function(){ |
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393 | var a = arguments, l = a.length, item; |
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394 | for(var i = 0; i < l; i++){ |
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395 | var el = a[i]; |
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396 | if(el.render){ // some kind of Item |
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397 | item = this.addItem(el); |
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398 | }else if(typeof el == "string"){ // string |
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399 | if(el == "separator" || el == "-"){ |
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400 | item = this.addSeparator(); |
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401 | }else{ |
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402 | item = this.addText(el); |
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403 | } |
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404 | }else if(el.tagName || el.el){ // element |
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405 | item = this.addElement(el); |
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406 | }else if(typeof el == "object"){ // must be menu item config? |
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407 | Ext.applyIf(el, this.defaults); |
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408 | item = this.addMenuItem(el); |
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409 | } |
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410 | } |
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411 | return item; |
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412 | }, |
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413 | |
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414 | /** |
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415 | * Returns this menu's underlying {@link Ext.Element} object |
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416 | * @return {Ext.Element} The element |
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417 | */ |
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418 | getEl : function(){ |
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419 | if(!this.el){ |
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420 | this.render(); |
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421 | } |
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422 | return this.el; |
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423 | }, |
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424 | |
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425 | /** |
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426 | * Adds a separator bar to the menu |
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427 | * @return {Ext.menu.Item} The menu item that was added |
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428 | */ |
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429 | addSeparator : function(){ |
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430 | return this.addItem(new Ext.menu.Separator()); |
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431 | }, |
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432 | |
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433 | /** |
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434 | * Adds an {@link Ext.Element} object to the menu |
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435 | * @param {Mixed} el The element or DOM node to add, or its id |
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436 | * @return {Ext.menu.Item} The menu item that was added |
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437 | */ |
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438 | addElement : function(el){ |
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439 | return this.addItem(new Ext.menu.BaseItem(el)); |
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440 | }, |
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441 | |
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442 | /** |
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443 | * Adds an existing object based on {@link Ext.menu.BaseItem} to the menu |
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444 | * @param {Ext.menu.Item} item The menu item to add |
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445 | * @return {Ext.menu.Item} The menu item that was added |
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446 | */ |
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447 | addItem : function(item){ |
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448 | this.items.add(item); |
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449 | if(this.ul){ |
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450 | var li = document.createElement("li"); |
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451 | li.className = "x-menu-list-item"; |
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452 | this.ul.dom.appendChild(li); |
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453 | item.render(li, this); |
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454 | this.delayAutoWidth(); |
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455 | } |
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456 | return item; |
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457 | }, |
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458 | |
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459 | /** |
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460 | * Creates a new {@link Ext.menu.Item} based an the supplied config object and adds it to the menu |
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461 | * @param {Object} config A MenuItem config object |
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462 | * @return {Ext.menu.Item} The menu item that was added |
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463 | */ |
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464 | addMenuItem : function(config){ |
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465 | if(!(config instanceof Ext.menu.Item)){ |
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466 | if(typeof config.checked == "boolean"){ // must be check menu item config? |
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467 | config = new Ext.menu.CheckItem(config); |
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468 | }else{ |
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469 | config = new Ext.menu.Item(config); |
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470 | } |
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471 | } |
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472 | return this.addItem(config); |
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473 | }, |
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474 | |
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475 | /** |
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476 | * Creates a new {@link Ext.menu.TextItem} with the supplied text and adds it to the menu |
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477 | * @param {String} text The text to display in the menu item |
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478 | * @return {Ext.menu.Item} The menu item that was added |
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479 | */ |
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480 | addText : function(text){ |
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481 | return this.addItem(new Ext.menu.TextItem(text)); |
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482 | }, |
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483 | |
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484 | /** |
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485 | * Inserts an existing object based on {@link Ext.menu.BaseItem} to the menu at a specified index |
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486 | * @param {Number} index The index in the menu's list of current items where the new item should be inserted |
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487 | * @param {Ext.menu.Item} item The menu item to add |
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488 | * @return {Ext.menu.Item} The menu item that was added |
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489 | */ |
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490 | insert : function(index, item){ |
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491 | this.items.insert(index, item); |
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492 | if(this.ul){ |
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493 | var li = document.createElement("li"); |
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494 | li.className = "x-menu-list-item"; |
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495 | this.ul.dom.insertBefore(li, this.ul.dom.childNodes[index]); |
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496 | item.render(li, this); |
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497 | this.delayAutoWidth(); |
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498 | } |
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499 | return item; |
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500 | }, |
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501 | |
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502 | /** |
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503 | * Removes an {@link Ext.menu.Item} from the menu and destroys the object |
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504 | * @param {Ext.menu.Item} item The menu item to remove |
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505 | */ |
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506 | remove : function(item){ |
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507 | this.items.removeKey(item.id); |
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508 | item.destroy(); |
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509 | }, |
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510 | |
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511 | /** |
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512 | * Removes and destroys all items in the menu |
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513 | */ |
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514 | removeAll : function(){ |
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515 | if(this.items){ |
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516 | var f; |
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517 | while(f = this.items.first()){ |
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518 | this.remove(f); |
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519 | } |
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520 | } |
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521 | }, |
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522 | |
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523 | /** |
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524 | * Destroys the menu by unregistering it from {@link Ext.menu.MenuMgr}, purging event listeners, |
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525 | * removing all of the menus items, then destroying the underlying {@link Ext.Element} |
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526 | */ |
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527 | destroy : function(){ |
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528 | this.beforeDestroy(); |
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529 | Ext.menu.MenuMgr.unregister(this); |
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530 | if (this.keyNav) { |
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531 | this.keyNav.disable(); |
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532 | } |
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533 | this.removeAll(); |
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534 | if (this.ul) { |
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535 | this.ul.removeAllListeners(); |
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536 | } |
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537 | if (this.el) { |
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538 | this.el.destroy(); |
---|
539 | } |
---|
540 | }, |
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541 | |
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542 | // private |
---|
543 | beforeDestroy : Ext.emptyFn |
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544 | |
---|
545 | }); |
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546 | |
---|
547 | // MenuNav is a private utility class used internally by the Menu |
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548 | Ext.menu.MenuNav = function(menu){ |
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549 | Ext.menu.MenuNav.superclass.constructor.call(this, menu.el); |
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550 | this.scope = this.menu = menu; |
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551 | }; |
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552 | |
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553 | Ext.extend(Ext.menu.MenuNav, Ext.KeyNav, { |
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554 | doRelay : function(e, h){ |
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555 | var k = e.getKey(); |
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556 | if(!this.menu.activeItem && e.isNavKeyPress() && k != e.SPACE && k != e.RETURN){ |
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557 | this.menu.tryActivate(0, 1); |
---|
558 | return false; |
---|
559 | } |
---|
560 | return h.call(this.scope || this, e, this.menu); |
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561 | }, |
---|
562 | |
---|
563 | up : function(e, m){ |
---|
564 | if(!m.tryActivate(m.items.indexOf(m.activeItem)-1, -1)){ |
---|
565 | m.tryActivate(m.items.length-1, -1); |
---|
566 | } |
---|
567 | }, |
---|
568 | |
---|
569 | down : function(e, m){ |
---|
570 | if(!m.tryActivate(m.items.indexOf(m.activeItem)+1, 1)){ |
---|
571 | m.tryActivate(0, 1); |
---|
572 | } |
---|
573 | }, |
---|
574 | |
---|
575 | right : function(e, m){ |
---|
576 | if(m.activeItem){ |
---|
577 | m.activeItem.expandMenu(true); |
---|
578 | } |
---|
579 | }, |
---|
580 | |
---|
581 | left : function(e, m){ |
---|
582 | m.hide(); |
---|
583 | if(m.parentMenu && m.parentMenu.activeItem){ |
---|
584 | m.parentMenu.activeItem.activate(); |
---|
585 | } |
---|
586 | }, |
---|
587 | |
---|
588 | enter : function(e, m){ |
---|
589 | if(m.activeItem){ |
---|
590 | e.stopPropagation(); |
---|
591 | m.activeItem.onClick(e); |
---|
592 | m.fireEvent("click", this, m.activeItem); |
---|
593 | return true; |
---|
594 | } |
---|
595 | } |
---|
596 | }); |
---|