/*
 * $Id: PrintPreviewDemo.java,v 1.4 2004/03/31 14:52:01 zfq Exp zfq $
 *
 * Copyright (C) 2001-2003 Extreme Component, Inc. All rights reserved.
 * Use is subject to license terms. 
 */

import java.awt.*;
import java.awt.event.*;
import javax.swing.border.*;
import java.awt.print.*;

import java.net.URL;

import java.util.*;
import java.text.*;

import javax.swing.*;
import javax.swing.event.*;

import com.zfqjava.swing.JPrintPreview;
import com.zfqjava.swing.PrintFactory;

/**
 * JPrintPreview Demo
 *
 * @author $Author: zfq $
 * @version $Revision: 1.4 $ $Date: 2004/03/31 14:52:01 $
 */
public class PrintPreviewDemo extends JPanel {

    private JPrintPreview printPreview;
    
    public PrintPreviewDemo() {
	printPreview = new JPrintPreview();
	printPreview.setPrintData(createPrintable());
	setLayout(new BorderLayout());
	add(printPreview, BorderLayout.CENTER);
	JPanel panel = new JPanel(new BorderLayout());
	panel.add(createPropertyPanel(), BorderLayout.NORTH);
	panel.add(createControlPanel(), BorderLayout.CENTER);
	add(panel, BorderLayout.EAST);
    }

    private Printable createPrintable() {
	Image img = loadImage("resources/install-side.gif");
	Map map = new HashMap();
	map.put(PrintFactory.HEADER_FORMAT, new MessageFormat("A Test Image"));
	map.put(PrintFactory.FOOTER_FORMAT, new MessageFormat("Page {0}"));
	map.put(PrintFactory.FOOTER_ALIGNMENT, new Integer(SwingConstants.RIGHT));
	return PrintFactory.createPrintable(img, map);
    }
    private Image loadImage(String name) {
	URL url = getResource(name);
	if(url != null) {
	    ImageIcon imageIcon = new ImageIcon(url);
	    return imageIcon.getImage();
	} else {
	    return null;
	}
    }

    private URL getResource(String name) {
	URL url = getClass().getResource(name);
	return url;
    }
    
    private JPrintPreview createPrintPreview() {
	JPrintPreview printPreview = new JPrintPreview();
	printPreview.setPrintData(this.printPreview.getPrintData());
	printPreview.putClientProperty("JPrintPreview.pageViewMode", this.printPreview.getClientProperty("JPrintPreview.pageViewMode"));	
	return printPreview;
    }
    
    private JPanel createPropertyPanel() {
	JPanel panel = new JPanel();
	Border titledBorder = BorderFactory.createTitledBorder("Change Property");
	Border emptyBorder = BorderFactory.createEmptyBorder(12, 12, 12, 12);
	panel.setBorder(BorderFactory.createCompoundBorder(titledBorder, emptyBorder));
	GridBagLayout gridbag = new GridBagLayout();
	GridBagConstraints c = new GridBagConstraints();
	panel.setLayout(gridbag);

	c.weightx = 0.5;
	c.weighty = 0.5;
	c.fill = GridBagConstraints.HORIZONTAL;
	c.anchor = GridBagConstraints.WEST;
	c.insets = new Insets(0, 0, 5, 0);
	
	JLabel label = new JLabel("Page Mode:");
	addPanel(panel, c, label);
	
	final JComboBox cb = new JComboBox(new Object[] { "SinglePage", "ContinuousPage" });
	cb.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    printPreview.putClientProperty("JPrintPreview.pageViewMode", cb.getSelectedItem());
		}
	    });
	label.setLabelFor(cb);
	c.gridwidth = GridBagConstraints.REMAINDER;
	addPanel(panel, c, cb);
	return panel;
    }
    
    private JPanel createControlPanel() {
	JPanel panel = new JPanel();
	JButton b = new JButton("Show Dialog");
	b.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    JPrintPreview printPreview = createPrintPreview();
		    printPreview.showDialog(null);
		}
	    });
	panel.add(b);
	b = new JButton("Show Frame");
	b.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    JPrintPreview printPreview = createPrintPreview();
		    printPreview.showFrame("test");
		}
	    });	
	panel.add(b);
	return panel;	
    }
    
    private static void addPanel(Container container, GridBagConstraints c, Component component) {
	GridBagLayout gridbag = (GridBagLayout)container.getLayout();
	gridbag.setConstraints(component, c);
	container.add(component);
    }
    
    public static void main(String[] args) {
	JFrame f = new JFrame("JPrintPreview Demo");	
	DemoPanel demoPanel = new DemoPanel();
	demoPanel.addDemo(new PrintPreviewDemo());
	f.getContentPane().add(demoPanel);
	f.setDefaultCloseOperation(JFrame. EXIT_ON_CLOSE);
	f.pack();
	centerOnScreen(f);
	f.show();
    }

    public static void centerOnScreen(Window window) {
	Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
	window.setLocation((d.width - window.getWidth())/2,
		    (d.height - window.getHeight())/2);
    }	    
}