/**
* Handles an action for the given target. The handler method may just discard the action if it's
* not suitable.
*
* @param action the action to be handled.
* @param sender the sender of the action. This is most often the action container.
* @param target the target of the action. For item containers this is the item id.
*/
@Override
@SuppressWarnings("unchecked")
public void handleAction(Action action, Object sender, Object target) {
if (target != null) {
IntID itemId = (IntID) target;
Item item = this.menuTree.getItem(itemId);
MenuItemData itemData = this.menuTree.getItemData(itemId);
if (item != null) {
Map<Action, MenuActionProvider> actionComponentHandlerMap =
itemData.getActionComponentHandlers();
if (actionComponentHandlerMap != null) {
MenuActionProvider menuActionProvider = actionComponentHandlerMap.get(action);
if (menuActionProvider != null) {
if (menuActionProvider instanceof ComponentHandler) {
this.layout.setCenter(((ComponentHandler) menuActionProvider).getComponent());
this.layout.doLayout();
}
if (menuActionProvider instanceof MenuActionExecutor) {
((MenuActionExecutor) menuActionProvider).executeMenuAction();
}
}
}
}
}
}
/**
* Private handler of ValueChangedListener for MenuTree.
*
* @param itemId The item to handle.
*/
private void menuTreeItemHandler(IntID itemId) {
if (itemId != null) {
MenuItemData itemData = this.menuTree.getItemData(itemId);
ComponentHandler guiHandler = itemData.getSelectComponentHandler();
if (guiHandler != null) {
if (this.layout.getCenter() == null) {
this.layout.setCenter(guiHandler.getComponent());
} else {
if (this.layout.getCenter().equals(guiHandler.getComponent())) {
this.layout.setCenter(null);
} else {
this.layout.setCenter(guiHandler.getComponent());
}
}
} else {
this.layout.setCenter(null);
}
} else {
this.layout.setCenter(null);
}
this.layout.doLayout();
}