Uidget.java

package kornell.gui.client.uidget;

import com.google.gwt.user.client.ui.Composite;

import kornell.core.lom.Actom;
import kornell.core.lom.ExternalPage;
import kornell.gui.client.event.ViewReadyEvent;
import kornell.gui.client.event.ViewReadyEventHandler;

public abstract class Uidget extends Composite {
	
	public static Uidget forActom(Actom actom) {
		if (actom == null)
			return null;
		if (actom instanceof ExternalPage)
			return new ExternalPageView((ExternalPage) actom);
		throw new IllegalArgumentException("Do not know how to view [" + actom
				+ "]");
	}
	
	private ViewReadyEventHandler viewReadyEventHandler;

	public void onViewReady(ViewReadyEventHandler viewReadyEventHandler) {
		this.viewReadyEventHandler = viewReadyEventHandler;
	}

	protected void fireViewReady() {		
		if(viewReadyEventHandler != null)
			viewReadyEventHandler.onViewReady(new ViewReadyEvent());
	}
}