Subversion Repositories Applications.papyrus

/*
        Copyright (c) 2004-2006, The Dojo Foundation
        All Rights Reserved.

        Licensed under the Academic Free License version 2.1 or above OR the
        modified BSD license. For more information on Dojo licensing, see:

                http://dojotoolkit.org/community/licensing.shtml
*/



dojo.provide("dojo.collections.Set");
dojo.require("dojo.collections.Collections");
dojo.require("dojo.collections.ArrayList");
dojo.collections.Set = new function () {
        this.union = function (setA, setB) {
                if (setA.constructor == Array) {
                        var setA = new dojo.collections.ArrayList(setA);
                }
                if (setB.constructor == Array) {
                        var setB = new dojo.collections.ArrayList(setB);
                }
                if (!setA.toArray || !setB.toArray) {
                        dojo.raise("Set operations can only be performed on array-based collections.");
                }
                var result = new dojo.collections.ArrayList(setA.toArray());
                var e = setB.getIterator();
                while (!e.atEnd()) {
                        var item = e.get();
                        if (!result.contains(item)) {
                                result.add(item);
                        }
                }
                return result;
        };
        this.intersection = function (setA, setB) {
                if (setA.constructor == Array) {
                        var setA = new dojo.collections.ArrayList(setA);
                }
                if (setB.constructor == Array) {
                        var setB = new dojo.collections.ArrayList(setB);
                }
                if (!setA.toArray || !setB.toArray) {
                        dojo.raise("Set operations can only be performed on array-based collections.");
                }
                var result = new dojo.collections.ArrayList();
                var e = setB.getIterator();
                while (!e.atEnd()) {
                        var item = e.get();
                        if (setA.contains(item)) {
                                result.add(item);
                        }
                }
                return result;
        };
        this.difference = function (setA, setB) {
                if (setA.constructor == Array) {
                        var setA = new dojo.collections.ArrayList(setA);
                }
                if (setB.constructor == Array) {
                        var setB = new dojo.collections.ArrayList(setB);
                }
                if (!setA.toArray || !setB.toArray) {
                        dojo.raise("Set operations can only be performed on array-based collections.");
                }
                var result = new dojo.collections.ArrayList();
                var e = setA.getIterator();
                while (!e.atEnd()) {
                        var item = e.get();
                        if (!setB.contains(item)) {
                                result.add(item);
                        }
                }
                return result;
        };
        this.isSubSet = function (setA, setB) {
                if (setA.constructor == Array) {
                        var setA = new dojo.collections.ArrayList(setA);
                }
                if (setB.constructor == Array) {
                        var setB = new dojo.collections.ArrayList(setB);
                }
                if (!setA.toArray || !setB.toArray) {
                        dojo.raise("Set operations can only be performed on array-based collections.");
                }
                var e = setA.getIterator();
                while (!e.atEnd()) {
                        if (!setB.contains(e.get())) {
                                return false;
                        }
                }
                return true;
        };
        this.isSuperSet = function (setA, setB) {
                if (setA.constructor == Array) {
                        var setA = new dojo.collections.ArrayList(setA);
                }
                if (setB.constructor == Array) {
                        var setB = new dojo.collections.ArrayList(setB);
                }
                if (!setA.toArray || !setB.toArray) {
                        dojo.raise("Set operations can only be performed on array-based collections.");
                }
                var e = setB.getIterator();
                while (!e.atEnd()) {
                        if (!setA.contains(e.get())) {
                                return false;
                        }
                }
                return true;
        };
}();