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Collection.hasDescendent(type, id) -- type is 'collection' or 'item', for now

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This commit is contained in:
Dan Stillman 2006-06-08 19:11:10 +00:00
parent 15ec35c927
commit 4545a5d8a8
1 changed files with 18 additions and 7 deletions
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25
chrome/chromeFiles/content/scholar/xpcom/data_access.js
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@ -1140,13 +1140,10 @@ Scholar.Collection.prototype.changeParent = function(parent){
}
if (parent){
var descendents = this._getDescendents();
for (var i=0, len=descendents.length; i<len; i++){
if (descendents[i]['isCollection'] && parent==descendents[i]['id']){
Scholar.debug('Cannot move collection into one of its own '
+ 'descendents!', 2);
return false;
}
if (this.hasDescendent('collection', parent)){
Scholar.debug('Cannot move collection into one of its own '
+ 'descendents!', 2);
return false;
}
}
@ -1250,6 +1247,20 @@ Scholar.Collection.prototype.hasItem = function(itemID){
}
Scholar.Collection.prototype.hasDescendent = function(type, id){
var descendents = this._getDescendents();
for (var i=0, len=descendents.length; i<len; i++){
// TODO: fix this to work with smart collections
if (((type=='collection' && descendents[i]['isCollection']) ||
(type=='item' && !descendents[i]['isCollection']))
&& id==descendents[i]['id']){
return true;
}
}
return false;
}
/**
* Deletes collection and all descendent collections and items
**/