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define("dijit/_Contained", [
"dojo/_base/declare", // declare
"./registry" // registry.getEnclosingWidget(), registry.byNode()
], function(declare, registry){
// module:
// dijit/_Contained
return declare("dijit._Contained", null, {
// summary:
// Mixin for widgets that are children of a container widget
//
// example:
// | // make a basic custom widget that knows about it's parents
// | declare("my.customClass",[dijit._Widget,dijit._Contained],{});
_getSibling: function(/*String*/ which){
// summary:
// Returns next or previous sibling
// which:
// Either "next" or "previous"
// tags:
// private
var node = this.domNode;
do{
node = node[which+"Sibling"];
}while(node && node.nodeType != 1);
return node && registry.byNode(node); // dijit/_WidgetBase
},
getPreviousSibling: function(){
// summary:
// Returns null if this is the first child of the parent,
// otherwise returns the next element sibling to the "left".
return this._getSibling("previous"); // dijit/_WidgetBase
},
getNextSibling: function(){
// summary:
// Returns null if this is the last child of the parent,
// otherwise returns the next element sibling to the "right".
return this._getSibling("next"); // dijit/_WidgetBase
},
getIndexInParent: function(){
// summary:
// Returns the index of this widget within its container parent.
// It returns -1 if the parent does not exist, or if the parent
// is not a dijit._Container
var p = this.getParent();
if(!p || !p.getIndexOfChild){
return -1; // int
}
return p.getIndexOfChild(this); // int
}
});
});
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