Extend enyo layout LeftRightArranger, offers better support for wrapped panels (works on non wrapped panels as well), esp handy in rotators/heros.

WrappedLeftRightArranger

enyo.kind({
    name: "WrappedLeftRightArranger",
    kind: "LeftRightArranger",
    start: enyo.inherit(function(sup) {
        return function() {
            sup.apply(this, arguments);
            var s = this.container.fromIndex;
            var f = this.container.toIndex;
            var c$ = this.getOrderedControls(f);
            var o = Math.floor(c$.length/2);
            var wf = (s === 0 && f == (c$.length-1));
            var wb = (s == (c$.length-1) && f === 0);
            var w = !wb ? wf ? wf : s > f : !wb;

            for (var i=0, c; (c=c$[i]); i++) {
                if (w){
                	if (i == (c$.length - o)){
                		c.applyStyle("z-index", 0);
                	} else {
                		c.applyStyle("z-index", 1);
                	}
                } else {
                	if (i == (c$.length - 1 - o)){
                		c.applyStyle("z-index", 0);
                	} else {
                		c.applyStyle("z-index", 1);
                	}
                }
            }
        };
    }),
});