package com.jpeterson.virtlcd;
   
   import java.awt.Color;
   import java.awt.FlowLayout;
   import java.awt.GridLayout;
   import java.awt.event.KeyEvent;
   
   import javax.swing.JComponent;
   import javax.swing.JFrame;
  import javax.swing.JLabel;
  import javax.swing.JPanel;
  import javax.swing.JTabbedPane;
  import javax.swing.JTextArea;
  import javax.swing.JTextField;
  import javax.swing.event.DocumentEvent;
  import javax.swing.event.DocumentListener;
  import javax.swing.text.BadLocationException;
  import javax.swing.text.Document;
  
  import com.jpeterson.virtlcd.swing.JDotMatrixDisplay;
  import com.jpeterson.virtlcd.swing.JDotMatrixSixByEight;
  
  /**
   * <p>
   * Example program that provides examples of using the provide Swing components
   * for displaying an LCD-like character display.
   * </p>
   * <p>
   * This application displays three tabs:
   * </p>
   * <ul>
   * <li>a single character:<br />
   * <img src="../../../../images/screenshot-virtlcd_Demo-Character_test.png"
   * alt="Character test screenshot" /></li>
   * <li>a multi-line display:<br />
   * <img src="../../../../images/screenshot-virtlcd_Demo-Display_test.png"
   * alt="Display test screenshot" /></li>
   * <li>a sample of all of the characters available:<br />
   * <img src="../../../../images/screenshot-virtlcd_Demo-Character_set.png"
   * alt="Character set screenshot" /></li>
   * </ul>
   * 
   * @author Jesse Peterson
   */
  public class TestHarness extends JPanel {
  	/**
  	 * 
  	 */
  	private static final long serialVersionUID = 1L;
  
  	private JTextField characterTestTextField;
  
  	private JTextArea displayTestTestArea;
  
  	private JDotMatrixSixByEight characterTestDotMatrixCharacter;
  
  	private JDotMatrixDisplay displayTestDotMatrixDisplay;
  
  	public static void main(String[] args) {
  		// Schedule a job for the event-dispatching thread:
  		// creating and showing this application's GUI.
  		javax.swing.SwingUtilities.invokeLater(new Runnable() {
  			public void run() {
  				createAndShowGUI();
  			}
  		});
  	}
  
  	public TestHarness() {
  		super(new GridLayout(1, 1));
  
  		JTabbedPane tabbedPane = new JTabbedPane();
  
  		JComponent panel1 = makeCharacterTestPanel();
  		tabbedPane.addTab("Character test", null, panel1,
  				"Test individual characters");
  		tabbedPane.setMnemonicAt(0, KeyEvent.VK_1);
  
  		JComponent panel2 = makeDisplayTestPanel();
  		tabbedPane.addTab("Display test", null, panel2, "Test display");
  		tabbedPane.setMnemonicAt(1, KeyEvent.VK_2);
  
  		JComponent panel3 = makeCharSetPanel();
  		tabbedPane.addTab("Character set", null, panel3,
  				"Display character set");
  		tabbedPane.setMnemonicAt(2, KeyEvent.VK_3);
  
  		// Add the tabbed pane to this panel.
  		add(tabbedPane);
  
  		// The following line enables to use scrolling tabs.
  		tabbedPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
  	}
  
  	protected JComponent makeCharacterTestPanel() {
  		JPanel panel = new JPanel(false);
  		JLabel label = new JLabel("Character: ");
  		JLabel displayLabel = new JLabel(" Display: ");
  
 		panel.setLayout(new FlowLayout(FlowLayout.LEFT, 5, 5));
 
 		characterTestTextField = new JTextField(1);
 		characterTestTextField.getDocument().addDocumentListener(
 				new CharacterDocumentListener());
 
 		characterTestDotMatrixCharacter = new JDotMatrixSixByEight();
 		characterTestDotMatrixCharacter.setBackground(Color.BLACK);
 		characterTestDotMatrixCharacter.setForeground(Color.RED);
 
 		panel.add(label);
 		panel.add(characterTestTextField);
 		panel.add(displayLabel);
 		panel.add(characterTestDotMatrixCharacter);
 
 		return panel;
 	}
 
 	protected JComponent makeDisplayTestPanel() {
 		JPanel panel = new JPanel(false);
 		JLabel label = new JLabel("Message: ");
 		JLabel displayLabel = new JLabel(" Display: ");
 
 		panel.setLayout(new FlowLayout(FlowLayout.LEFT, 5, 5));
 
 		displayTestTestArea = new JTextArea(4, 20);
 		displayTestTestArea.getDocument().addDocumentListener(
 				new DisplayDocumentListener());
 
 		displayTestDotMatrixDisplay = new JDotMatrixDisplay(20, 4);
 		displayTestDotMatrixDisplay.setBackground(Color.BLACK);
 		displayTestDotMatrixDisplay.setForeground(Color.RED);
 
 		panel.add(label);
 		panel.add(displayTestTestArea);
 		panel.add(displayLabel);
 		panel.add(displayTestDotMatrixDisplay);
 
 		return panel;
 	}
 
 	protected JComponent makeCharSetPanel() {
 		JPanel panel = new JPanel(true);
 
 		// 17x17
 		// panel.setLayout(new GridLayout(17, 17, 2, 2));
 		panel.setLayout(new GridLayout(17, 17, 0, 2));
 
 		// row 0
 		panel.add(createHeader(""));
 		panel.add(createHeader("0"));
 		panel.add(createHeader("16"));
 		panel.add(createHeader("32"));
 		panel.add(createHeader("48"));
 		panel.add(createHeader("64"));
 		panel.add(createHeader("80"));
 		panel.add(createHeader("96"));
 		panel.add(createHeader("112"));
 		panel.add(createHeader("128"));
 		panel.add(createHeader("144"));
 		panel.add(createHeader("160"));
 		panel.add(createHeader("176"));
 		panel.add(createHeader("192"));
 		panel.add(createHeader("208"));
 		panel.add(createHeader("224"));
 		panel.add(createHeader("240"));
 
 		for (int column = 0; column < 16; column++) {
 			panel.add(createHeader(Integer.toString(column)));
 			panel.add(createCharacter((char) column));
 			panel.add(createCharacter((char) (16 + column)));
 			panel.add(createCharacter((char) (32 + column)));
 			panel.add(createCharacter((char) (48 + column)));
 			panel.add(createCharacter((char) (64 + column)));
 			panel.add(createCharacter((char) (80 + column)));
 			panel.add(createCharacter((char) (96 + column)));
 			panel.add(createCharacter((char) (112 + column)));
 			panel.add(createCharacter((char) (128 + column)));
 			panel.add(createCharacter((char) (144 + column)));
 			panel.add(createCharacter((char) (160 + column)));
 			panel.add(createCharacter((char) (176 + column)));
 			panel.add(createCharacter((char) (192 + column)));
 			panel.add(createCharacter((char) (208 + column)));
 			panel.add(createCharacter((char) (224 + column)));
 			panel.add(createCharacter((char) (240 + column)));
 		}
 
 		return panel;
 	}
 
 	protected JComponent createHeader(String s) {
 		JLabel label = new JLabel(s);
 
 		return label;
 	}
 
 	protected JDotMatrixSixByEight createCharacter(char c) {
 		JDotMatrixSixByEight character = new JDotMatrixSixByEight();
 		character.setForeground(Color.RED);
 		character.setBackground(Color.BLACK);
 		character.setChar(c);
 		character.setToolTipText(Integer.toString((int) c));
 
 		return character;
 	}
 
 	/**
 	 * Create the GUI and show it. For thread safety, this method should be
 	 * invoked from the event-dispatching thread.
 	 */
 	private static void createAndShowGUI() {
 		// Create and set up the window.
 		JFrame frame = new JFrame("virtlcd Demo");
 		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
 		// Add content to the window.
 		frame.add(new TestHarness());
 
 		// Display the window.
 		frame.pack();
 		frame.setVisible(true);
 	}
 
 	private class CharacterDocumentListener implements DocumentListener {
 		public CharacterDocumentListener() {
 
 		}
 
 		public void insertUpdate(DocumentEvent e) {
 			updateText(e.getDocument());
 		}
 
 		public void removeUpdate(DocumentEvent e) {
 			updateText(e.getDocument());
 		}
 
 		public void changedUpdate(DocumentEvent e) {
 			updateText(e.getDocument());
 		}
 
 		protected void updateText(Document document) {
 			String text;
 			try {
 				text = document.getText(0, document.getLength());
 				if (text.length() > 0) {
 					characterTestDotMatrixCharacter.setChar(text.charAt(0));
 				} else {
 					characterTestDotMatrixCharacter.setChar(' ');
 				}
 			} catch (BadLocationException e1) {
 				e1.printStackTrace();
 				characterTestDotMatrixCharacter.setChar(' ');
 			}
 		}
 	}
 
 	private class DisplayDocumentListener implements DocumentListener {
 		public DisplayDocumentListener() {
 
 		}
 
 		public void insertUpdate(DocumentEvent e) {
 			updateText(e.getDocument());
 		}
 
 		public void removeUpdate(DocumentEvent e) {
 			updateText(e.getDocument());
 		}
 
 		public void changedUpdate(DocumentEvent e) {
 			updateText(e.getDocument());
 		}
 
 		protected void updateText(Document document) {
 			String text;
 			try {
 				text = document.getText(0, document.getLength());
 
 				displayTestDotMatrixDisplay.setText(text);
 			} catch (BadLocationException e1) {
 				e1.printStackTrace();
 				displayTestDotMatrixDisplay.setText("");
 			}
 		}
 	}
 }