/*
 *  Preview Dialog - A Preview Dialog for your Swing Applications
 *
 *  Copyright (C) 2003 Jens Kaiser.
 *  Created by Dimitri Polivaev.
 *
 *  Written by: 2003 Jens Kaiser <jens.kaiser@web.de>
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library 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 Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
package freemind.controller.printpreview;

import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.URL;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JToolBar;

import freemind.main.Tools;
import freemind.view.mindmapview.MapView;

public class PreviewDialog extends JDialog implements ActionListener {
	private final static double DEFAULT_ZOOM_FACTOR_STEP = 0.1;
	private JLabel pageNumber;

	public PreviewDialog(String title, MapView view) {
		super(JOptionPane.getFrameForComponent(view), title, true);
		this.view = view;
		Preview preview = new Preview(view, 1);
		JScrollPane scrollPane = new JScrollPane(preview);
		getContentPane().add(scrollPane, "Center");
		JToolBar toolbar = new JToolBar();
		// toolbar.setRollover(true);
		getContentPane().add(toolbar, "North");
		pageNumber = new JLabel("- 1 -");
		final JButton button = getButton("Back24.gif", new BrowseAction(
				preview, pageNumber, -1));
		toolbar.add(button);
		pageNumber.setPreferredSize(button.getPreferredSize());
		pageNumber.setHorizontalAlignment(JLabel.CENTER);
		toolbar.add(pageNumber);
		toolbar.add(getButton("Forward24.gif", new BrowseAction(preview,
				pageNumber, 1)));
		toolbar.add(new JToolBar.Separator());
		toolbar.add(getButton("ZoomIn24.gif", new ZoomAction(preview,
				DEFAULT_ZOOM_FACTOR_STEP)));
		toolbar.add(getButton("ZoomOut24.gif", new ZoomAction(preview,
				-DEFAULT_ZOOM_FACTOR_STEP)));
		toolbar.add(new JToolBar.Separator());
		JPanel dialog = new JPanel();
		dialog.setLayout(new FlowLayout(FlowLayout.RIGHT));
		JButton ok = new JButton("OK");
		ok.addActionListener(this);
		dialog.add(ok);
		getContentPane().add(dialog, "South");
		Tools.addEscapeActionToDialog(this);
	}

	private JButton getButton(String iconName) {
		return getButton(null, iconName, null);
	}

	private JButton getButton(String iconName, AbstractAction action) {
		return getButton(null, iconName, action);
	}

	private JButton getButton(String name, String iconName,
			AbstractAction action) {
		JButton result = null;

		ImageIcon icon = null;
		URL imageURL = getClass().getClassLoader().getResource(
				"images/" + iconName);
		if (imageURL != null)
			icon = new ImageIcon(imageURL);

		if (action != null) {
			if (icon != null)
				action.putValue(Action.SMALL_ICON, new ImageIcon(imageURL));
			if (name != null)
				action.putValue(Action.NAME, name);
			result = new JButton(action);
		} else
			result = new JButton(name, icon);

		return result;
	}

	public void actionPerformed(ActionEvent e) {
		dispose();
	}

	protected MapView view;
}