source: Dev/branches/rest-dojo-ui/client/dojox/collections/Queue.js @ 256

define(["dojo/_base/kernel", "dojo/_base/array", "./_base"], function(dojo, darray, dxc){
/*=====
var dxc = dojox.collections;
=====*/
        dxc.Queue=function(/* array? */arr){
                //      summary
                //      return an object of type dojox.collections.Queue
                var q=[];
                if (arr){
                        q=q.concat(arr);
                }
                this.count=q.length;
                this.clear=function(){
                        //      summary
                        //      clears the internal collection
                        q=[];
                        this.count=q.length;
                };
                this.clone=function(){
                        //      summary
                        //      creates a new Queue based on this one
                        return new dxc.Queue(q);        //      dojox.collections.Queue
                };
                this.contains=function(/* object */ o){
                        //      summary
                        //      Check to see if the passed object is an element in this queue
                        for(var i=0; i<q.length; i++){
                                if (q[i]==o){
                                        return true;    //      bool
                                }
                        }
                        return false;   //      bool
                };
                this.copyTo=function(/* array */ arr, /* int */ i){
                        //      summary
                        //      Copy the contents of this queue into the passed array at index i.
                        arr.splice(i,0,q);
                };
                this.dequeue=function(){
                        //      summary
                        //      shift the first element off the queue and return it
                        var r=q.shift();
                        this.count=q.length;
                        return r;       //      object
                };
                this.enqueue=function(/* object */ o){
                        //      summary
                        //      put the passed object at the end of the queue
                        this.count=q.push(o);
                };
                this.forEach=function(/* function */ fn, /* object? */ scope){
                        //      summary
                        //      functional iterator, following the mozilla spec.
                        dojo.forEach(q, fn, scope);
                };
                this.getIterator=function(){
                        //      summary
                        //      get an Iterator based on this queue.
                        return new dxc.Iterator(q);     //      dojox.collections.Iterator
                };
                this.peek=function(){
                        //      summary
                        //      get the next element in the queue without altering the queue.
                        return q[0];
                };
                this.toArray=function(){
                        //      summary
                        //      return an array based on the internal array of the queue.
                        return [].concat(q);
                };
        };
        return dxc.Queue;
});