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Simplifications in Item#isDescendant & Item#isAncestor.

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This commit is contained in:
Jonathan Puckey 2011-04-27 16:16:05 +02:00
parent 55fc2bc99c
commit 0700c51a85
1 changed files with 4 additions and 6 deletions
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10
src/item/Item.js
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@ -375,11 +375,10 @@ var Item = this.Item = Base.extend({
* @return {@true if it is inside the specified item} * @return {@true if it is inside the specified item}
*/ */
isDescendant: function(item) { isDescendant: function(item) {
var parent = this.parent; var parent = this;
while (parent) { while (parent = parent.parent) {
if (parent == item) if (parent == item)
return true; return true;
parent = parent.parent;
} }
return false; return false;
}, },
@ -400,11 +399,10 @@ var Item = this.Item = Base.extend({
* @return {@true if the item is an ancestor of the specified item} * @return {@true if the item is an ancestor of the specified item}
*/ */
isAncestor: function(item) { isAncestor: function(item) {
var parent = item.parent; var parent = item;
while (parent) { while (parent = parent.parent) {
if (parent == this) if (parent == this)
return true; return true;
parent = parent.parent;
} }
return false; return false;
}, },