samer@0: /*
samer@0:  *	VPanel.java	
samer@0:  *
samer@0:  *	Copyright (c) 2000, Samer Abdallah, King's College London.
samer@0:  *	All rights reserved.
samer@0:  *
samer@0:  *	This software is provided AS iS and WITHOUT ANY WARRANTY; 
samer@0:  *	without even the implied warranty of MERCHANTABILITY or 
samer@0:  *	FITNESS FOR A PARTICULAR PURPOSE.
samer@0:  */
samer@0: 
samer@0: package samer.core.util.heavy;
samer@0: import  samer.core.util.*;
samer@0: import  samer.core.*;
samer@0: import  java.awt.*;
samer@0: 
samer@0: public class VPanel extends JPanel implements Viewer
samer@0: {
samer@0: 	private Menu		menu=null;
samer@0: 	private Viewer		vwr;
samer@0: 	private Label		label;
samer@0: 
samer@0: 	public VPanel() { this(null); }
samer@0: 	public VPanel(Viewer vwr) { super(); this.vwr=vwr; }
samer@0: 
samer@0: 	public void setName(String txt) {
samer@0: 		if (txt==null) { if (label!=null) remove(label); return; }
samer@0: 		super.setName(txt);
samer@0: 		if (label!=null) label.setText(txt);
samer@0: 		else {
samer@0: 			label=new Label(txt);
samer@0: 			label.addMouseListener(MouseRetarget.listener); 
samer@0: 			add(label,0);
samer@0: 		}
samer@0: 	}
samer@0: 
samer@0: 	public Component getComponent() { return this; }
samer@0: 	public void	attach() {}
samer@0: 	public void	detach() {}
samer@0: 	public void	exposeCommands(Agent agent) { 
samer@0: 		menu=MenuBuilder.showCommands(agent,this,menu); 
samer@0: 	}
samer@0: 
samer@0: 	public void addNotify() { super.addNotify(); if (vwr!=null) vwr.attach(); }
samer@0: 	public void removeNotify() { if (vwr!=null) vwr.detach(); super.removeNotify(); }
samer@0: 
samer@0: //	public void add(Component c) { super.add(c); }
samer@0: 	public void add(Viewer v) { add(v.getComponent()); }
samer@0: 	public void add(Viewable v) { add(v.getViewer()); }
samer@0: }
samer@0: