ComponentHelper.doDetach(bottomComponent);
}
protected void initTools() {
if (collapsible && !hideCollapseTool) {
collapseBtn = new ToolButton("x-tool-toggle");
collapseBtn.addListener(Events.Select, new Listener<ComponentEvent>() {
public void handleEvent(ComponentEvent ce) {
ce.stopEvent();
setExpanded(!isExpanded());
}