- Author:
- David Nickerson <nickerso@users.sourceforge.net>
- Date:
- 2009-07-16 02:00:03+12:00
- Desc:
- the starting point for the HH tutorial example
- Permanent Source URI:
- https://models.fieldml.org/workspace/a1/rawfile/f6a8f90307388eb4b040ee3566b84d88b59247f7/dojo-presentation/js/dojo/dojox/collections/Set.js
dojo.provide("dojox.collections.Set");
dojo.require("dojox.collections.ArrayList");
(function(){
var dxc=dojox.collections;
dxc.Set=new (function(){
function conv(arr){
if(arr.constructor==Array){
return new dojox.collections.ArrayList(arr); // dojox.collections.ArrayList
}
return arr; // dojox.collections.ArrayList
}
this.union = function(/* array */setA, /* array */setB){
// summary
// Return the union of the two passed sets.
setA=conv(setA);
setB=conv(setB);
var result = new dojox.collections.ArrayList(setA.toArray());
var e = setB.getIterator();
while(!e.atEnd()){
var item=e.get();
if(!result.contains(item)){
result.add(item);
}
}
return result; // dojox.collections.ArrayList
};
this.intersection = function(/* array */setA, /* array */setB){
// summary
// Return the intersection of the two passed sets.
setA=conv(setA);
setB=conv(setB);
var result = new dojox.collections.ArrayList();
var e = setB.getIterator();
while(!e.atEnd()){
var item=e.get();
if(setA.contains(item)){
result.add(item);
}
}
return result; // dojox.collections.ArrayList
};
this.difference = function(/* array */setA, /* array */setB){
// summary
// Returns everything in setA that is not in setB.
setA=conv(setA);
setB=conv(setB);
var result = new dojox.collections.ArrayList();
var e=setA.getIterator();
while(!e.atEnd()){
var item=e.get();
if(!setB.contains(item)){
result.add(item);
}
}
return result; // dojox.collections.ArrayList
};
this.isSubSet = function(/* array */setA, /* array */setB) {
// summary
// Returns if set B is a subset of set A.
setA=conv(setA);
setB=conv(setB);
var e = setA.getIterator();
while(!e.atEnd()){
if(!setB.contains(e.get())){
return false; // boolean
}
}
return true; // boolean
};
this.isSuperSet = function(/* array */setA, /* array */setB){
// summary
// Returns if set B is a superset of set A.
setA=conv(setA);
setB=conv(setB);
var e = setB.getIterator();
while(!e.atEnd()){
if(!setA.contains(e.get())){
return false; // boolean
}
}
return true; // boolean
};
})();
})();
