/**
 * this class represent an Image Factory for WUIC
 * @class WUICCGSGNodeImageFactory
 * @extends CGSGObject
 * @param {String} groupId
 * @constructor
 * @type {WUICCGSGNodeImageFactory}
 */
var WUICCGSGNodeImageFactory = CGSGObject.extend(
    {

        initialize : function(groupId) {
            this.wuicData = eval("WUIC_SPRITE_" + groupId.toUpperCase());
            this.imgMap = new CGSGMap();

            for (var file in this.wuicData) {
                var sprite = this.wuicData[file];
                this.imgMap.addOrReplace(file, sprite.url);
            }
        },

        /**
         * Create a new image from the sprite
         * @method create
         * @param name represent the name of the new image
         * @param data contain the attribute of this image
         * @return {CGSGNodeImage}
         */
        create : function(name, data) {
            var sprite = this.wuicData[name];

            // Create image thanks to the provided sprite
            var img = this.buildNode(data, sprite.url);
            img.setSlice(parseInt(sprite.x), parseInt(sprite.y),
                         parseInt(sprite.w), parseInt(sprite.h), true);
            img.name = name;
            return img;
        },

        /**
         * Build the CGSGNodeImage with his position
         * @method buildNode
         * @param data contain the attribute of the node
         * @param url
         * @return {CGSGNodeImage}
         */
        buildNode : function(data, url) {
            return  new CGSGNodeImage(data.x, data.y, url);
        },

        /**
         * return a map of all the image associated with her sprite's url.
         * @method getImgMap
         * @return {CGSGMap}
         */
        getImgMap : function() {
            return this.imgMap;
        }
    }
);