Untitled

Y.WidgetPositionAlign.prototype._attachUIHandles: function() {
    if (this._uiHandles) { return; }

    var syncAlign = Y.bind(this._syncAlign, this);

    this._uiHandles = [
        Y.one(WINDOW).on(RESIZE, syncAlign),
        Y.on(SCROLL, syncAlign),
        this.after("destroy", this._detachUIHandles)
    ];
};

Y.WidgetPositionAlign.prototype._detachUIHandles = function () {
    if (this._uiHandles) {
        new Y.EventHandle(this._uiHandles).detach();

        this._uiHandles = null;
    }
}