/* PreviewFrame.java */

/* 
 * Copyright (C) 1996-98 Mark Boyns <boyns@sdsu.edu>
 *
 * This file is part of Muffin.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
package org.doit.muffin.filter;

import java.awt.*;
import java.awt.event.*;
import org.doit.muffin.*;

public class PreviewFrame extends MuffinFrame implements ActionListener, WindowListener
{
    Prefs prefs;
    Preview parent;
    TextField input = null;
    
    public PreviewFrame (Prefs prefs, Preview parent)
    {
	super ("Muffin: Preview");

	this.prefs = prefs;
	this.parent = parent;

	Panel panel = new Panel ();
	GridBagLayout layout = new GridBagLayout ();
        panel.setLayout (layout);
	GridBagConstraints c;
	     
	panel.add (new Label ("Content types to preview:", Label.RIGHT));

	input = new TextField (50);
	input.setText (prefs.getString ("Preview.contentTypes"));
	c = new GridBagConstraints ();
	c.gridwidth = GridBagConstraints.REMAINDER;
	layout.setConstraints (input, c);
	panel.add (input);

	Label label = new Label ("Example: text/html,image/gif");
	c = new GridBagConstraints ();
	c.gridwidth = GridBagConstraints.REMAINDER;
	layout.setConstraints (label, c);
	panel.add (label);

	add ("Center", panel);

	Panel buttonPanel = new Panel ();
	buttonPanel.setLayout (new GridLayout (1, 4));
	Button b;
	b = new Button ("Apply");
	b.setActionCommand ("doApply");
	b.addActionListener (this);
	buttonPanel.add (b);
	b = new Button ("Save");
	b.setActionCommand ("doSave");
	b.addActionListener (this);
	buttonPanel.add (b);
	b = new Button ("Close");
	b.setActionCommand ("doClose");
	b.addActionListener (this);
	buttonPanel.add (b);
	b = new Button ("Help");
	b.setActionCommand ("doHelp");
	b.addActionListener (this);
	buttonPanel.add (b);
	add ("South", buttonPanel);

	addWindowListener (this);
	
	pack ();
	setSize (getPreferredSize ());
	show ();
    }

    public void actionPerformed (ActionEvent event)
    {
	String arg = event.getActionCommand ();
	
	if ("doApply".equals (arg))
	{
	    prefs.putString ("Preview.contentTypes", input.getText ());
	}
	else if ("doSave".equals (arg))
	{
	    parent.save ();
	}
	else if ("doClose".equals (arg))
	{
	    setVisible (false);
	}
	else if ("doHelp".equals (arg))
	{
	    new HelpFrame ("Preview");
	}
    }

    public void windowActivated (WindowEvent e)
    {
    }
  
    public void windowDeactivated (WindowEvent e)
    {
    }
  
    public void windowClosing (WindowEvent e)
    {
	setVisible (false);
    }
  
    public void windowClosed (WindowEvent e)
    {
    }
  
    public void windowIconified (WindowEvent e)
    {
    }
  
    public void windowDeiconified (WindowEvent e)
    {
    }
  
    public void windowOpened (WindowEvent e)
    {
    }
}
