/*
 * $Id: ImageViewerDemo.java,v 1.4 2005/10/31 13:48:47 zfq Exp $
 *
 * 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.*;
import javax.swing.border.*;
import javax.swing.event.*;
import java.net.URL;
import com.zfqjava.swing.JImageViewer;
import com.zfqjava.swing.JBean;
import com.zfqjava.swing.JCommonPane;
/**
 * JImageViewer Demo
 *
 * @author $Author: zfq $
 * @version $Revision: 1.4 $ $Date: 2005/10/31 13:48:47 $
 */
public class ImageViewerDemo extends JPanel {

    private JImageViewer imageViewer;
    
    public ImageViewerDemo() {
	imageViewer = new JImageViewer();
	setInstallSideImage();
	setLayout(new BorderLayout());
	add(new JScrollPane(imageViewer), BorderLayout.CENTER);
	add(createEasePanel(), BorderLayout.EAST);
    }

    private JPanel createEasePanel() {
	JPanel panel = new JPanel();
	panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
	panel.add(createPropertyPanel());
	return panel;
    }

    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("Image: ");
	addPanel(panel, c, label);
	
	Object[] sideImages = { "Install", "Deploy" };
	final JComboBox sideImagesCB = new JComboBox(sideImages);
	sideImagesCB.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    // side images
		    String img = (String)sideImagesCB.getSelectedItem();
		    if(img.equals("Install")) {
			setInstallSideImage();
		    } else if(img.equals("Deploy")) {
			setDeploySideImage();
		    } else {
			System.out.println("error in side image: " + img);
		    }
		}
	    });
	label.setLabelFor(sideImagesCB);
	c.gridwidth = GridBagConstraints.REMAINDER;
	addPanel(panel, c, sideImagesCB);

	c.gridwidth = GridBagConstraints.RELATIVE;			
	label = new JLabel("Size Mode: ");
	addPanel(panel, c, label);
	
	Object[] sizeMode = { "Auto", "Center Image", "Normal", "Stretch Image" };
	final JComboBox sizeModeCB = new JComboBox(sizeMode);
	sizeModeCB.setSelectedItem("Center Image");
	sizeModeCB.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    // side images
		    String mode = (String)sizeModeCB.getSelectedItem();
		    if(mode.equals("Auto")) {
			imageViewer.setSizeMode(JImageViewer.AUTO_SIZE_MODE);
		    } else if(mode.equals("Center Image")) {
			imageViewer.setSizeMode(JImageViewer.CENTER_IMAGE_SIZE_MODE);
		    } else if(mode.equals("Normal")) {
			imageViewer.setSizeMode(JImageViewer.NORMAL_SIZE_MODE);
		    } else if(mode.equals("Stretch Image")) {
			imageViewer.setSizeMode(JImageViewer.STRETCH_IMAGE_SIZE_MODE);
		    } else {
			System.out.println("error in size mode: " + mode);
		    }
		}
	    });
	label.setLabelFor(sizeModeCB);
	c.gridwidth = GridBagConstraints.REMAINDER;
	addPanel(panel, c, sizeModeCB);
	
	c.gridwidth = GridBagConstraints.RELATIVE;		
	label = new JLabel("Rotate Mode: ");
	addPanel(panel, c, label);
	JPanel rotatePanel = new JPanel();
	final JButton rotateLeft = new JButton("Rotate left");
	final JButton rotateRight = new JButton("Rotate right");
	ActionListener buttonHandler =  new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    if(e.getSource() == rotateLeft) {
			imageViewer.rotate(false);
		    } else if(e.getSource() == rotateRight) {
			imageViewer.rotate(true);
		    }
		}
	    };
	rotateLeft.addActionListener(buttonHandler);
	rotateRight.addActionListener(buttonHandler);
	rotatePanel.add(rotateLeft);
	rotatePanel.add(rotateRight);
	c.gridwidth = GridBagConstraints.REMAINDER;
	addPanel(panel, c, rotatePanel);

	c.gridwidth = GridBagConstraints.RELATIVE;		
	label = new JLabel("Zoom Factor: ");
	addPanel(panel, c, label);
	final JTextField factorField = new JTextField("1.0", 9);
	factorField.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    String text = factorField.getText();
		    double factor = 1.0;
		    try {
			factor = Double.parseDouble(text);
		    } catch (Exception ex) {
			ex.printStackTrace();
		    }
		    imageViewer.setZoomFactor(factor);
		}
	    });
	label.setLabelFor(factorField);
	c.gridwidth = GridBagConstraints.REMAINDER;
	addPanel(panel, c, factorField);

	c.gridwidth = GridBagConstraints.RELATIVE;		
	label = new JLabel("Filp Property: ");
	addPanel(panel, c, label);
	Object[] flipStyles = { "None", "Horizontal", "Vertical" };
	final JComboBox flipStyleCB = new JComboBox(flipStyles);
	flipStyleCB.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    Object item = flipStyleCB.getSelectedItem();
		    if(item.equals("Horizontal")) {
			imageViewer.setHorizontalFlipEnabled(true);
		    } else if(item.equals("Vertical")) {
			imageViewer.setVerticalFlipEnabled(true);
		    } else if(item.equals("None")) {
			imageViewer.setHorizontalFlipEnabled(false);			
			imageViewer.setVerticalFlipEnabled(false);
		    }
		}
	    });
	label.setLabelFor(flipStyleCB);
	c.gridwidth = GridBagConstraints.REMAINDER;
	addPanel(panel, c, flipStyleCB);
	
	return panel;
    }

    private Image loadImage(String name) {
	URL url = getResource(name);
	if(url != null) {
	    return Toolkit.getDefaultToolkit().getImage(url);
	} else {
	    return null;
	}
    }

    private URL getResource(String name) {
	URL url = getClass().getResource(name);
	return url;
    }
    
    private void setInstallSideImage() {
	Image image = loadImage("resources/install-side.gif");
	imageViewer.setImage(image);
    }

    private void setDeploySideImage() {
	Image image = loadImage("resources/deploy-icon.gif");
	imageViewer.setImage(image);
    }
    
    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) {
	DemoPanel demoPanel = new DemoPanel();
	demoPanel.addDemo(new ImageViewerDemo());
	demoPanel.setTitle("JImageViewer Demo");
	demoPanel.setDefaultCloseOperation(JBean.EXIT_ON_CLOSE);
	demoPanel.showFrame();
    }
}