// Copyright 2000, CERN, Geneva, Switzerland and University of Santa Cruz, California, U.S.A.
   package org.freehep.graphicsio.ps.test;
   
   import java.awt.BorderLayout;
   import java.awt.Color;
   import java.awt.Container;
   import java.awt.Dimension;
   import java.awt.Graphics;
   import java.awt.GridLayout;
  import java.awt.Insets;
  import java.awt.event.ActionEvent;
  import java.awt.event.ActionListener;
  import java.awt.event.WindowAdapter;
  import java.awt.event.WindowEvent;
  
  import javax.swing.BorderFactory;
  import javax.swing.JComboBox;
  import javax.swing.JFrame;
  import javax.swing.JMenu;
  import javax.swing.JMenuBar;
  import javax.swing.JMenuItem;
  import javax.swing.JOptionPane;
  import javax.swing.JPanel;
  import javax.swing.WindowConstants;
  import javax.swing.border.Border;
  
  import org.freehep.graphicsio.ps.ColorMap;
  import org.freehep.util.export.ExportDialog;
  
  /**
   * 
   * @author Charles Loomis
   * @version $Id: TestColorMap.java,v 1.8 2002/07/26 06:44:21 duns Exp $
   */
  public class TestColorMap extends JFrame implements ActionListener {
  
      // Create the color map to use.
      ColorMap colorMap = new ColorMap();
  
      // Export Dialog.
      ExportDialog dialog;
  
      // The main panel.
      JPanel panel;
  
      // Fill this panel with nine panels of different colors.
      public TestColorMap() {
  
          // Title this frame.
          super("Color Map Test");
  
          // Make this exit when the close button is clicked.
          setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
          addWindowListener(new WindowAdapter() {
              public void windowClosing(WindowEvent e) {
                  quit();
              }
          });
  
          // Create the Export dialog.
          dialog = new ExportDialog();
  
          // Make a menu bar and menu.
          JMenuBar menuBar = new JMenuBar();
          JMenu file = new JMenu("File");
  
          // Add a menu item which will bring up this dialog.
          JMenuItem export = new JMenuItem("Export...");
          export.addActionListener(this);
          file.add(export);
  
          // Quit menu item.
          JMenuItem quit = new JMenuItem("Quit");
          quit.addActionListener(new ActionListener() {
              public void actionPerformed(ActionEvent e) {
                  quit();
              }
          });
          file.add(quit);
  
          // Add this to the frame.
          menuBar.add(file);
          setJMenuBar(menuBar);
  
          // Get the content pane.
          Container content = this.getContentPane();
  
          // Set the layout of this panel.
          content.setLayout(new BorderLayout());
  
          // Create a combo box with the four color maps in it.
          String[] chooserTest = { "Display", "Print", "Grayscale", "Black&White" };
          JComboBox chooser = new JComboBox(chooserTest);
          chooser.addActionListener(this);
  
          // Add this to the top of this container.
          content.add(chooser, BorderLayout.NORTH);
  
          // Create a border of white surrounded by black.
         Border border = BorderFactory.createCompoundBorder(BorderFactory
                 .createMatteBorder(1, 1, 1, 1, Color.white), BorderFactory
                 .createMatteBorder(2, 2, 2, 2, Color.black));
 
         // Create a subpanel with grid layout to hold the colored tiles.
         panel = new JPanel();
         panel.setLayout(new GridLayout(13, 3));
 
         // Add tiles of colors to this panel.
         for (int i = 0; i < 13; i++) {
             TestPanel test;
 
             test = new TestPanel(colorMap, i);
             test.setBorder(border);
             panel.add(test);
 
             test = new TestPanel(colorMap, i + 13);
             test.setBorder(border);
             panel.add(test);
 
             test = new TestPanel(colorMap, i + 26);
             test.setBorder(border);
             panel.add(test);
 
         }
 
         // Add this panel to this container.
         content.add(panel, BorderLayout.CENTER);
 
     }
 
     /**
      * This method brings up a dialog box to ask if the user really wants to
      * quit. If the answer is yes, the application is stopped.
      */
     public void quit() {
 
         // Create a dialog box to ask if the user really wants to quit.
         int n = JOptionPane.showConfirmDialog(this,
                 "Do you really want to quit?", "Confirm Quit",
                 JOptionPane.YES_NO_OPTION);
 
         if (n == JOptionPane.YES_OPTION) {
             System.exit(0);
         }
     }
 
     // Action performed method used to change color map.
     public void actionPerformed(ActionEvent e) {
         Object source = e.getSource();
         if (source instanceof JComboBox) {
             JComboBox cb = (JComboBox) e.getSource();
             String tag = (String) cb.getSelectedItem();
 
             if (tag == "Display") {
                 colorMap.useDisplayColorMap();
             } else if (tag == "Print") {
                 colorMap.usePrintColorMap();
             } else if (tag == "Grayscale") {
                 colorMap.useGrayscaleColorMap();
             } else if (tag == "Black&White") {
                 colorMap.useBlackAndWhiteColorMap();
             }
             this.repaint();
         } else if (source instanceof JMenuItem) {
             dialog.showExportDialog(this, "Export...", panel, "untitled");
         }
     }
 
     // Class panel which just paints a given background color.
     class TestPanel extends JPanel {
         private ColorMap colorMap;
 
         private int bkgColorIndex;
 
         public TestPanel(ColorMap colorMap, int bkgColorIndex) {
             this.colorMap = colorMap;
             this.bkgColorIndex = bkgColorIndex;
         }
 
         public void paintComponent(Graphics g) {
             if (g != null) {
                 Dimension dim = getSize();
                 Insets insets = getInsets();
 
                 Color bkgColor = colorMap.getColor(bkgColorIndex);
 
                 g.setColor(bkgColor);
                 g
                         .fillRect(insets.left, insets.top, dim.width
                                 - insets.left - insets.right, dim.height
                                 - insets.top - insets.bottom);
             }
         }
     }
 
     public static void main(String[] args) {
 
         // Create a new instance of this class and add it to the frame.
         TestColorMap test = new TestColorMap();
 
         // Give the frame a size and make it visible.
         test.pack();
         test.setSize(new Dimension(350, 700));
         test.setVisible(true);
 
     }
 }