samer@0: /*
samer@0:  *	Dialog.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.*;
samer@0: import  java.awt.*;
samer@0: import  java.awt.event.*;
samer@0: 
samer@0: public class Dialog extends java.awt.Dialog implements ActionListener, Shell.Dialog
samer@0: {
samer@0: 	String		result;
samer@0: 	Container	panel;
samer@0: 	Panel			buttons;
samer@0: 
samer@0: 	public Dialog( java.awt.Frame owner, String nm, boolean modal)
samer@0: 	{
samer@0: 		super(owner,nm,modal);
samer@0: 
samer@0: 		panel = new JPanel(Border.create(Border.NONE));
samer@0: 		panel.setLayout(new GridLayout(0,1));
samer@0: 		buttons=new Panel(); // JPanel(Border.create(Border.NONE));
samer@0: 		buttons.setLayout( new FlowLayout(FlowLayout.RIGHT,6,2));
samer@0: 
samer@0: 		setFont(X.font(Shell.datum("dialog.font"),null));
samer@0: 		setLayout( new BorderLayout());
samer@0: 		add( panel, "Center");
samer@0: 		add( buttons, "South");
samer@0: 		addWindowListener( new WindowAdapter() {
samer@0: 			public void windowClosing(WindowEvent e) { 
samer@0: 				result = "close";
samer@0: 				setVisible(false); 
samer@0: 			}
samer@0: 		} );
samer@0: 	}
samer@0: 
samer@0: 	protected void finalize() { Shell.trace("Dialog finalizing"); }
samer@0: 
samer@0: 	public void actionPerformed(ActionEvent e)
samer@0: 	{
samer@0: 		result=e.getActionCommand();
samer@0: 		setVisible(false);
samer@0: 
samer@0: 		//String cmd=e.getActionCommand();
samer@0: 		//if	     (cmd=="ok")     { result=cmd; setVisible(false); }
samer@0: 		//else if (cmd=="cancel") { result=cmd; setVisible(false); }
samer@0: 	}
samer@0: 
samer@0: 	public Container container() { return panel; }
samer@0: 	public String result() { return result; }
samer@0: 	public void expose() { pack(); centre(); setVisible(true); toFront(); }
samer@0: 
samer@0: 	public void centre()
samer@0: 	{
samer@0: 		Dimension d=getSize();
samer@0: 		setLocation( (SX-d.width)/2, (SY-d.height)/2);
samer@0: 	}
samer@0: 
samer@0: 	public void addAction(String label)
samer@0: 	{
samer@0: 		Button btn=new Button(label);
samer@0: 		btn.addActionListener(this);
samer@0: 		buttons.add(btn);
samer@0: 	}
samer@0: 
samer@0: 	private static int SX, SY; // screen width and height
samer@0: 	static {
samer@0: 		Dimension s=Toolkit.getDefaultToolkit().getScreenSize();
samer@0: 		SX=s.width;
samer@0: 		SY=s.height;
samer@0: 	}
samer@0: }
samer@0: