@Override
protected void extend(ServerConnector target) {
panel = (VPanel) ((ComponentConnector) target).getWidget();
panel.addStyleName(CLASSNAME);
captionToggle.addClassName(CLASSNAME + "-toggle");
DOM.insertChild(panel.captionNode, captionToggle, 2);
updateStyleName(panel);
panel.addDomHandler(
new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
EventTarget eventTarget = event.getNativeEvent().getEventTarget();
if (eventTarget.cast() == panel.captionNode
|| eventTarget.cast() == panel.captionNode.getFirstChildElement()
|| eventTarget.cast() == captionToggle.getFirstChildElement()) {
getState().setOpen(!getState().isOpen());
refresh();
rpc.setOpen(getState().isOpen());
// fire toggle listener
rpc.toggleClick();
}
}
},
ClickEvent.getType());
}
private void updateStyleName(VPanel panel) {
if (getState().isOpen()) {
panel.removeStyleName(STYLENAME_SUFFIX_CLOSED);
panel.addStyleName(STYLENAME_SUFFIX_OPEN);
} else {
panel.removeStyleName(STYLENAME_SUFFIX_OPEN);
panel.addStyleName(STYLENAME_SUFFIX_CLOSED);
}
}