/* animEl Bugfix */
Ext.lib.Anim = function(){
    var createAnim = function(cb, scope){
        var animated = true;
        return {
            stop : function(skipToLast){
            },
            isAnimated : function(){
                return animated;
            },
            proxyCallback : function(){
                animated = false;
                Ext.callback(cb, scope);
            }
        };
    };
    return {
        scroll : function(el, args, duration, easing, cb, scope){
            var anim = createAnim(cb, scope);
            el = Ext.getDom(el);
            if(typeof args.scroll.to[0] == 'number'){
                el.scrollLeft = args.scroll.to[0];
            }
            if(typeof args.scroll.to[1] == 'number'){
                el.scrollTop = args.scroll.to[1];
            }
            anim.proxyCallback();
            return anim;
        },
        motion : function(el, args, duration, easing, cb, scope){
            return this.run(el, args, duration, easing, cb, scope);
        },
        color : function(el, args, duration, easing, cb, scope){
            var anim = createAnim(cb, scope);
            anim.proxyCallback();
            return anim;
        },
        run : function(el, args, duration, easing, cb, scope, type){
            var anim = createAnim(cb, scope), e = Ext.fly(el, '_animrun');
            var o = {};
            for(var k in args){
                switch(k){
                    case 'points':
                        var by, pts;
                        e.position();
                        if(by = args.points.by){
                            var xy = e.getXY();
                            pts = e.translatePoints([xy[0]+by[0], xy[1]+by[1]]);
                        }else{
                            pts = e.translatePoints(args.points.to);
                        }
                        o.left = pts.left;
                        o.top = pts.top;
                        if(!parseInt(e.getStyle('left'), 10)){
                            e.setLeft(0);
                        }
                        if(!parseInt(e.getStyle('top'), 10)){
                            e.setTop(0);
                        }
                        if(args.points.from){
                            e.setXY(args.points.from);
                        }
                    break;
                    case 'width':
                        o.width = args.width.to;
                        if (args.width.from)
                            e.setWidth(args.width.from);
                    break;
                    case 'height':
                        o.height = args.height.to;
                        if (args.height.from)
                            e.setHeight(args.height.from);
                    break;
                    case 'opacity':
                        o.opacity = args.opacity.to;
                        if (args.opacity.from)
                            e.setOpacity(args.opacity.from);
                    break;
                    case 'left':
                        o.left = args.left.to;
                        if (args.left.from)
                            e.setLeft(args.left.from);
                    break;
                    case 'top':
                        o.top = args.top.to;
                        if (args.top.from)
                            e.setTop(args.top.from);
                    break;
                    case 'callback':
                    case 'scope':
                        // jQuery can't handle callback and scope arguments
                    break;
                    default:
                        o[k] = args[k].to;
                        if (args[k].from)
                            e.setStyle(k, args[k].from);
                    break;
                }
            }
            jQuery(el).animate(o, duration*1000, undefined, anim.proxyCallback);
            return anim;
        }
    };
}();