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/*
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
if(!dojo._hasResource["dijit.MenuItem"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dijit.MenuItem"] = true;
dojo.provide("dijit.MenuItem");
dojo.require("dijit._Widget");
dojo.require("dijit._Templated");
dojo.require("dijit._Contained");
dojo.require("dijit._CssStateMixin");
dojo.declare("dijit.MenuItem",
[dijit._Widget, dijit._Templated, dijit._Contained, dijit._CssStateMixin],
{
// summary:
// A line item in a Menu Widget
// Make 3 columns
// icon, label, and expand arrow (BiDi-dependent) indicating sub-menu
templateString: dojo.cache("dijit", "templates/MenuItem.html", "<tr class=\"dijitReset dijitMenuItem\" dojoAttachPoint=\"focusNode\" role=\"menuitem\" tabIndex=\"-1\"\n\t\tdojoAttachEvent=\"onmouseenter:_onHover,onmouseleave:_onUnhover,ondijitclick:_onClick\">\n\t<td class=\"dijitReset dijitMenuItemIconCell\" role=\"presentation\">\n\t\t<img src=\"${_blankGif}\" alt=\"\" class=\"dijitIcon dijitMenuItemIcon\" dojoAttachPoint=\"iconNode\"/>\n\t</td>\n\t<td class=\"dijitReset dijitMenuItemLabel\" colspan=\"2\" dojoAttachPoint=\"containerNode\"></td>\n\t<td class=\"dijitReset dijitMenuItemAccelKey\" style=\"display: none\" dojoAttachPoint=\"accelKeyNode\"></td>\n\t<td class=\"dijitReset dijitMenuArrowCell\" role=\"presentation\">\n\t\t<div dojoAttachPoint=\"arrowWrapper\" style=\"visibility: hidden\">\n\t\t\t<img src=\"${_blankGif}\" alt=\"\" class=\"dijitMenuExpand\"/>\n\t\t\t<span class=\"dijitMenuExpandA11y\">+</span>\n\t\t</div>\n\t</td>\n</tr>\n"),
attributeMap: dojo.delegate(dijit._Widget.prototype.attributeMap, {
label: { node: "containerNode", type: "innerHTML" },
iconClass: { node: "iconNode", type: "class" }
}),
baseClass: "dijitMenuItem",
// label: String
// Menu text
label: '',
// iconClass: String
// Class to apply to DOMNode to make it display an icon.
iconClass: "",
// accelKey: String
// Text for the accelerator (shortcut) key combination.
// Note that although Menu can display accelerator keys there
// is no infrastructure to actually catch and execute these
// accelerators.
accelKey: "",
// disabled: Boolean
// If true, the menu item is disabled.
// If false, the menu item is enabled.
disabled: false,
_fillContent: function(/*DomNode*/ source){
// If button label is specified as srcNodeRef.innerHTML rather than
// this.params.label, handle it here.
if(source && !("label" in this.params)){
this.set('label', source.innerHTML);
}
},
buildRendering: function(){
this.inherited(arguments);
var label = this.id+"_text";
dojo.attr(this.containerNode, "id", label);
if(this.accelKeyNode){
dojo.attr(this.accelKeyNode, "id", this.id + "_accel");
label += " " + this.id + "_accel";
}
dijit.setWaiState(this.domNode, "labelledby", label);
dojo.setSelectable(this.domNode, false);
},
_onHover: function(){
// summary:
// Handler when mouse is moved onto menu item
// tags:
// protected
this.getParent().onItemHover(this);
},
_onUnhover: function(){
// summary:
// Handler when mouse is moved off of menu item,
// possibly to a child menu, or maybe to a sibling
// menuitem or somewhere else entirely.
// tags:
// protected
// if we are unhovering the currently selected item
// then unselect it
this.getParent().onItemUnhover(this);
// When menu is hidden (collapsed) due to clicking a MenuItem and having it execute,
// FF and IE don't generate an onmouseout event for the MenuItem.
// So, help out _CssStateMixin in this case.
this._set("hovering", false);
},
_onClick: function(evt){
// summary:
// Internal handler for click events on MenuItem.
// tags:
// private
this.getParent().onItemClick(this, evt);
dojo.stopEvent(evt);
},
onClick: function(/*Event*/ evt){
// summary:
// User defined function to handle clicks
// tags:
// callback
},
focus: function(){
// summary:
// Focus on this MenuItem
try{
if(dojo.isIE == 8){
// needed for IE8 which won't scroll TR tags into view on focus yet calling scrollIntoView creates flicker (#10275)
this.containerNode.focus();
}
dijit.focus(this.focusNode);
}catch(e){
// this throws on IE (at least) in some scenarios
}
},
_onFocus: function(){
// summary:
// This is called by the focus manager when focus
// goes to this MenuItem or a child menu.
// tags:
// protected
this._setSelected(true);
this.getParent()._onItemFocus(this);
this.inherited(arguments);
},
_setSelected: function(selected){
// summary:
// Indicate that this node is the currently selected one
// tags:
// private
/***
* TODO: remove this method and calls to it, when _onBlur() is working for MenuItem.
* Currently _onBlur() gets called when focus is moved from the MenuItem to a child menu.
* That's not supposed to happen, but the problem is:
* In order to allow dijit.popup's getTopPopup() to work,a sub menu's popupParent
* points to the parent Menu, bypassing the parent MenuItem... thus the
* MenuItem is not in the chain of active widgets and gets a premature call to
* _onBlur()
*/
dojo.toggleClass(this.domNode, "dijitMenuItemSelected", selected);
},
setLabel: function(/*String*/ content){
// summary:
// Deprecated. Use set('label', ...) instead.
// tags:
// deprecated
dojo.deprecated("dijit.MenuItem.setLabel() is deprecated. Use set('label', ...) instead.", "", "2.0");
this.set("label", content);
},
setDisabled: function(/*Boolean*/ disabled){
// summary:
// Deprecated. Use set('disabled', bool) instead.
// tags:
// deprecated
dojo.deprecated("dijit.Menu.setDisabled() is deprecated. Use set('disabled', bool) instead.", "", "2.0");
this.set('disabled', disabled);
},
_setDisabledAttr: function(/*Boolean*/ value){
// summary:
// Hook for attr('disabled', ...) to work.
// Enable or disable this menu item.
dijit.setWaiState(this.focusNode, 'disabled', value ? 'true' : 'false');
this._set("disabled", value);
},
_setAccelKeyAttr: function(/*String*/ value){
// summary:
// Hook for attr('accelKey', ...) to work.
// Set accelKey on this menu item.
this.accelKeyNode.style.display=value?"":"none";
this.accelKeyNode.innerHTML=value;
//have to use colSpan to make it work in IE
dojo.attr(this.containerNode,'colSpan',value?"1":"2");
this._set("accelKey", value);
}
});
}
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