Toady/src/net/kezvh/toady/Toady.java

   1 /**
   2  *
   3  */
   4 package net.kezvh.toady;
   5
   6 import java.awt.event.ActionEvent;
   7 import java.awt.event.InputEvent;
   8 import java.awt.event.KeyEvent;
   9 import java.awt.event.KeyListener;
  10 import java.beans.PropertyChangeListener;
  11 import java.io.File;
  12 import java.io.FileWriter;
  13 import java.io.IOException;
  14 import java.util.ArrayList;
  15 import java.util.List;
  16
  17 import javax.swing.Action;
  18 import javax.swing.JCheckBoxMenuItem;
  19 import javax.swing.JFileChooser;
  20 import javax.swing.JFrame;
  21 import javax.swing.JMenu;
  22 import javax.swing.JMenuBar;
  23 import javax.swing.JMenuItem;
  24 import javax.swing.JRadioButtonMenuItem;
  25 import javax.swing.JScrollPane;
  26 import javax.swing.JTextArea;
  27 import javax.swing.KeyStroke;
  28 import javax.swing.event.CaretEvent;
  29 import javax.swing.event.CaretListener;
  30
  31 /**
  32  * @author afflux
  33  *
  34  */
  35 public class Toady {
  36
  37     private static int dot;
  38     private static int mark;
  39
  40     private interface ToadyAction {
  41         String toString();
  42     }
  43
  44     private static final class AreaDeletedToadyAction implements ToadyAction {
  45         /**
  46          * @param dot
  47          * @param mark
  48          */
  49         public AreaDeletedToadyAction(final int dot, final int mark) {
  50             super();
  51             this._dot = dot;
  52             this._mark = mark;
  53         }
  54
  55         private final int _dot;
  56         private final int _mark;
  57
  58         /**
  59          * @see java.lang.Object#toString()
  60          * @return FIXME
  61          */
  62         @Override
  63         public String toString() {
  64             return "<ToadyAction>" + "<dot>" + this._dot + "</dot>" + "<mark>" + this._mark + "</mark>" + "</ToadyAction>";
  65         }
  66     }
  67
  68     private static final class KeyPressedToadyAction implements ToadyAction {
  69         private final char c;
  70         private final int index;
  71
  72         public KeyPressedToadyAction(final char c, final int index) {
  73             this.c = c;
  74             this.index = index;
  75         }
  76
  77         /**
  78          * @see java.lang.Object#toString()
  79          * @return c
  80          */
  81         @Override
  82         public String toString() {
  83             return "<ToadyAction>" + "<key>" + Character.toString(this.c) + "</key>" + "<index>" + this.index + "</index>" + "</ToadyAction>";
  84         }
  85     }
  86
  87     private static final List<ToadyAction> sequenceOfEdits = new ArrayList<ToadyAction>();
  88
  89     /**
  90      * @param args
  91      */
  92     public static void main(final String[] args) {
  93         final JFrame frame = new JFrame("Toady");
  94
  95         final JMenuBar menuBar;
  96         final JMenu fileMenu, editMenu;
  97         final JMenu submenu;
  98         final JMenuItem saveMenuItem, openMenuItem, undoMenuItem;
  99         final JRadioButtonMenuItem rbMenuItem;
 100         final JCheckBoxMenuItem cbMenuItem;
 101
 102         //Create the menu bar.
 103         menuBar = new JMenuBar();
 104
 105         fileMenu = new JMenu("File");
 106         fileMenu.setMnemonic(KeyEvent.VK_A);
 107         fileMenu.getAccessibleContext().setAccessibleDescription("The only menu in this program that has menu items");
 108         menuBar.add(fileMenu);
 109
 110         saveMenuItem = new JMenuItem("Save", KeyEvent.VK_S);
 111         saveMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_1, ActionEvent.ALT_MASK));
 112         saveMenuItem.getAccessibleContext().setAccessibleDescription("Save");
 113         saveMenuItem.setAction(new Action() {
 114             /**
 115              * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
 116              * @param e
 117              */
 118             @Override
 119             public void actionPerformed(final ActionEvent e) {
 120                 final JFileChooser chooser = new JFileChooser();
 121
 122                 // if you ahve a suggested file name to start with, use that
 123
 124                 final int response = chooser.showSaveDialog(frame);
 125                 if (response == JFileChooser.APPROVE_OPTION) {// user clicked Save
 126                     final File file = chooser.getSelectedFile();
 127                     try {
 128                         final FileWriter fileWriter = new FileWriter(file);
 129                         for (final ToadyAction toadyAction: Toady.sequenceOfEdits)
 130                             fileWriter.write(toadyAction.toString() + "\n");
 131                         fileWriter.close();
 132
 133                     } catch (final IOException e1) {
 134                         // TODO Auto-generated catch block
 135                         e1.printStackTrace();
 136                     }
 137
 138                 } else {
 139                     // user cancelled...
 140                 }
 141             }
 142
 143             private boolean enabled = true;
 144
 145             @Override
 146             public void addPropertyChangeListener(final PropertyChangeListener listener) {
 147                 // TODO Auto-generated method stub
 148
 149             }
 150
 151             @Override
 152             public Object getValue(final String key) {
 153                 // TODO Auto-generated method stub
 154                 return null;
 155             }
 156
 157             @Override
 158             public boolean isEnabled() {
 159                 // TODO Auto-generated method stub
 160                 return this.enabled;
 161             }
 162
 163             @Override
 164             public void putValue(final String key, final Object value) {
 165                 // TODO Auto-generated method stub
 166
 167             }
 168
 169             @Override
 170             public void removePropertyChangeListener(final PropertyChangeListener listener) {
 171                 // TODO Auto-generated method stub
 172
 173             }
 174
 175             @Override
 176             public void setEnabled(final boolean b) {
 177                 // TODO Auto-generated method stub
 178                 this.enabled = true;
 179             }
 180         });
 181         fileMenu.add(saveMenuItem);
 182
 183         openMenuItem = new JMenuItem("Open", KeyEvent.VK_O);
 184         openMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_2, ActionEvent.ALT_MASK));
 185         openMenuItem.getAccessibleContext().setAccessibleDescription("Open");
 186         fileMenu.add(openMenuItem);
 187
 188         editMenu = new JMenu("Edit");
 189         editMenu.setMnemonic(KeyEvent.VK_E);
 190         editMenu.getAccessibleContext().setAccessibleDescription("The only menu in this program that has menu items");
 191         menuBar.add(editMenu);
 192
 193         undoMenuItem = new JMenuItem("Undo", KeyEvent.VK_Z);
 194         undoMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_3, ActionEvent.ALT_MASK));
 195         undoMenuItem.getAccessibleContext().setAccessibleDescription("Undo");
 196         editMenu.add(undoMenuItem);
 197
 198         frame.setJMenuBar(menuBar);
 199
 200         final JTextArea textArea = new JTextArea(5, 20);
 201         textArea.setLineWrap(true);
 202
 203         textArea.addCaretListener(new CaretListener() {
 204             /**
 205               * @see javax.swing.event.CaretListener#caretUpdate(javax.swing.event.CaretEvent)
 206               * @param e
 207               */
 208             @Override
 209             public void caretUpdate(final CaretEvent e) {
 210                 // TODO Auto-generated method stub
 211                 Toady.dot = e.getDot();
 212                 Toady.mark = e.getMark();
 213             }
 214         });
 215
 216         textArea.addKeyListener(new KeyListener() {
 217             /**
 218               * @see java.awt.event.KeyListener#keyPressed(java.awt.event.KeyEvent)
 219               * @param e
 220               */
 221             @Override
 222             public void keyPressed(final KeyEvent e) {
 223                 // nooop
 224             }
 225
 226             /**
 227                  * @see java.awt.event.KeyListener#keyReleased(java.awt.event.KeyEvent)
 228                  * @param e
 229                  */
 230             @Override
 231             public void keyReleased(final KeyEvent e) {
 232                 // nooop
 233             }
 234
 235             /**
 236                  * @see java.awt.event.KeyListener#keyTyped(java.awt.event.KeyEvent)
 237                  * @param e
 238                  */
 239             @Override
 240             public void keyTyped(final KeyEvent e) {
 241                 if ((e.getModifiers() & (InputEvent.ALT_DOWN_MASK | InputEvent.CTRL_DOWN_MASK)) != 0)
 242                     return;
 243
 244                 final JTextArea component = (JTextArea) e.getComponent();
 245                 if (Toady.dot != Toady.mark)
 246                     Toady.sequenceOfEdits.add(new AreaDeletedToadyAction(Toady.dot, Toady.mark));
 247                 Toady.sequenceOfEdits.add(new KeyPressedToadyAction(e.getKeyChar(), Toady.dot));
 248             }
 249         });
 250
 251         final JScrollPane scrollPane = new JScrollPane(textArea);
 252
 253         frame.getContentPane().add(scrollPane);
 254
 255         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 256         frame.pack();
 257         frame.setVisible(true);
 258         // TODO Auto-generated method stub
 259     }
 260 }