1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706
| import java.awt.*;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.filechooser.*;
import javax.swing.text.*;
import javax.swing.text.html.*;
import javax.swing.undo.*;
public class HTMLDocumentEditor extends JFrame implements ActionListener{
private HTMLDocument document;
private JTextPane textPane = new JTextPane();
private boolean debug = false;
private File currentFile;
/** Listener for the edits on the current document. */
protected UndoableEditListener undoHandler = new UndoHandler();
/** UndoManager that we add edits to. */
protected UndoManager undo = new UndoManager();
private UndoAction undoAction = new UndoAction();
private RedoAction redoAction = new RedoAction();
private Action cutAction = new DefaultEditorKit.CutAction();
private Action copyAction = new DefaultEditorKit.CopyAction();
private Action pasteAction = new DefaultEditorKit.PasteAction();
private Action boldAction = new StyledEditorKit.BoldAction();
private Action underlineAction = new StyledEditorKit.UnderlineAction();
private Action italicAction = new StyledEditorKit.ItalicAction();
private Action insertBreakAction = new DefaultEditorKit.InsertBreakAction();
private HTMLEditorKit.InsertHTMLTextAction unorderedListAction
= new HTMLEditorKit.InsertHTMLTextAction("Bullets", "<ul><li> </li></ul>",HTML.Tag.P,HTML.Tag.UL);
private HTMLEditorKit.InsertHTMLTextAction bulletAction
= new HTMLEditorKit.InsertHTMLTextAction("Bullets", "<li> </li>",HTML.Tag.UL,HTML.Tag.LI);
public HTMLDocumentEditor(){
super("HTMLDocumentEditor");
HTMLEditorKit editorKit = new HTMLEditorKit();
document = (HTMLDocument)editorKit.createDefaultDocument();
// Force SwingSet to come up in the Cross Platform L&F
try {
//UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
// If you want the System L&F instead, comment out the above line and
// uncomment the following:
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Exception exc) {
System.err.println("Error loading L&F: " + exc);
}
init();
}
public static void main(String[] args){
HTMLDocumentEditor editor = new HTMLDocumentEditor();
}
public void init(){
addWindowListener(new FrameListener());
JMenuBar menuBar = new JMenuBar();
getContentPane().add(menuBar, BorderLayout.NORTH);
JMenu fileMenu = new JMenu("File");
JMenu editMenu = new JMenu("Edit");
JMenu colorMenu = new JMenu("Color");
JMenu fontMenu = new JMenu("Font");
JMenu styleMenu = new JMenu("Style");
JMenu alignMenu = new JMenu("Align");
JMenu helpMenu = new JMenu("Help");
menuBar.add(fileMenu);
menuBar.add(editMenu);
menuBar.add(colorMenu);
menuBar.add(fontMenu);
menuBar.add(styleMenu);
menuBar.add(alignMenu);
menuBar.add(helpMenu);
JMenuItem newItem = new JMenuItem("New", new ImageIcon("whatsnew-bang.gif"));
JMenuItem openItem = new JMenuItem("Open",new ImageIcon("open.gif"));
JMenuItem saveItem = new JMenuItem("Save",new ImageIcon("save.gif"));
JMenuItem saveAsItem = new JMenuItem("Save As");
JMenuItem exitItem = new JMenuItem("Exit",new ImageIcon("exit.gif"));
newItem.addActionListener(this);
openItem.addActionListener(this);
saveItem.addActionListener(this);
saveAsItem.addActionListener(this);
exitItem.addActionListener(this);
fileMenu.add(newItem);
fileMenu.add(openItem);
fileMenu.add(saveItem);
fileMenu.add(saveAsItem);
fileMenu.add(exitItem);
JMenuItem undoItem = new JMenuItem(undoAction);
JMenuItem redoItem = new JMenuItem(redoAction);
JMenuItem cutItem = new JMenuItem(cutAction);
JMenuItem copyItem = new JMenuItem(copyAction);
JMenuItem pasteItem = new JMenuItem(pasteAction);
JMenuItem clearItem = new JMenuItem("Clear");
JMenuItem selectAllItem = new JMenuItem("Select All");
JMenuItem insertBreaKItem = new JMenuItem(insertBreakAction);
JMenuItem unorderedListItem = new JMenuItem(unorderedListAction);
JMenuItem bulletItem = new JMenuItem(bulletAction);
cutItem.setText("Cut");
copyItem.setText("Copy");
pasteItem.setText("Paste");
insertBreaKItem.setText("Break");
cutItem.setIcon(new ImageIcon("cut.gif"));
copyItem.setIcon(new ImageIcon("copy.gif"));
pasteItem.setIcon(new ImageIcon("paste.gif"));
insertBreaKItem.setIcon(new ImageIcon("break.gif"));
unorderedListItem.setIcon(new ImageIcon("bullets.gif"));
clearItem.addActionListener(this);
selectAllItem.addActionListener(this);
editMenu.add(undoItem);
editMenu.add(redoItem);
editMenu.add(cutItem);
editMenu.add(copyItem);
editMenu.add(pasteItem);
editMenu.add(clearItem);
editMenu.add(selectAllItem);
editMenu.add(insertBreaKItem);
editMenu.add(unorderedListItem);
editMenu.add(bulletItem);
JMenuItem redTextItem = new JMenuItem(new StyledEditorKit.ForegroundAction("Red",Color.red));
JMenuItem orangeTextItem = new JMenuItem(new StyledEditorKit.ForegroundAction("Orange",Color.orange));
JMenuItem yellowTextItem = new JMenuItem(new StyledEditorKit.ForegroundAction("Yellow",Color.yellow));
JMenuItem greenTextItem = new JMenuItem(new StyledEditorKit.ForegroundAction("Green",Color.green));
JMenuItem blueTextItem = new JMenuItem(new StyledEditorKit.ForegroundAction("Blue",Color.blue));
JMenuItem cyanTextItem = new JMenuItem(new StyledEditorKit.ForegroundAction("Cyan",Color.cyan));
JMenuItem magentaTextItem = new JMenuItem(new StyledEditorKit.ForegroundAction("Magenta",Color.magenta));
JMenuItem blackTextItem = new JMenuItem(new StyledEditorKit.ForegroundAction("Black",Color.black));
redTextItem.setIcon(new ImageIcon("red.gif"));
orangeTextItem.setIcon(new ImageIcon("orange.gif"));
yellowTextItem.setIcon(new ImageIcon("yellow.gif"));
greenTextItem.setIcon(new ImageIcon("green.gif"));
blueTextItem.setIcon(new ImageIcon("blue.gif"));
cyanTextItem.setIcon(new ImageIcon("cyan.gif"));
magentaTextItem.setIcon(new ImageIcon("magenta.gif"));
blackTextItem.setIcon(new ImageIcon("black.gif"));
colorMenu.add(redTextItem);
colorMenu.add(orangeTextItem);
colorMenu.add(yellowTextItem);
colorMenu.add(greenTextItem);
colorMenu.add(blueTextItem);
colorMenu.add(cyanTextItem);
colorMenu.add(magentaTextItem);
colorMenu.add(blackTextItem);
JMenu fontTypeMenu = new JMenu("Font Type");
fontMenu.add(fontTypeMenu);
String[] fontTypes = {"SansSerif", "Serif", "Monospaced", "Dialog", "DialogInput"};
for (int i = 0; i < fontTypes.length;i++){
if (debug) System.out.println(fontTypes[i]);
JMenuItem nextTypeItem = new JMenuItem(fontTypes[i]);
nextTypeItem.setAction(new StyledEditorKit.FontFamilyAction(fontTypes[i], fontTypes[i]));
fontTypeMenu.add(nextTypeItem);
}
JMenu fontSizeMenu = new JMenu("Font Size");
fontMenu.add(fontSizeMenu);
int[] fontSizes = {6, 8,10,12,14, 16, 20,24, 32,36,48,72};
for (int i = 0; i < fontSizes.length;i++){
if (debug) System.out.println(fontSizes[i]);
JMenuItem nextSizeItem = new JMenuItem(String.valueOf(fontSizes[i]));
nextSizeItem.setAction(new StyledEditorKit.FontSizeAction(String.valueOf(fontSizes[i]), fontSizes[i]));
fontSizeMenu.add(nextSizeItem);
}
JMenuItem boldMenuItem = new JMenuItem(boldAction);
JMenuItem underlineMenuItem = new JMenuItem(underlineAction);
JMenuItem italicMenuItem = new JMenuItem(italicAction);
boldMenuItem.setText("Bold");
underlineMenuItem.setText("Underline");
italicMenuItem.setText("Italic");
boldMenuItem.setIcon(new ImageIcon("bold.gif"));
underlineMenuItem.setIcon(new ImageIcon("underline.gif"));
italicMenuItem.setIcon(new ImageIcon("italic.gif"));
styleMenu.add(boldMenuItem);
styleMenu.add(underlineMenuItem);
styleMenu.add(italicMenuItem);
JMenuItem subscriptMenuItem = new JMenuItem(new SubscriptAction());
JMenuItem superscriptMenuItem = new JMenuItem(new SuperscriptAction());
JMenuItem strikeThroughMenuItem = new JMenuItem(new StrikeThroughAction());
subscriptMenuItem.setText("Subscript");
superscriptMenuItem.setText("Superscript");
strikeThroughMenuItem.setText("StrikeThrough");
subscriptMenuItem.setIcon(new ImageIcon("subscript.gif"));
superscriptMenuItem.setIcon(new ImageIcon("superscript.gif"));
strikeThroughMenuItem.setIcon(new ImageIcon("strikethough.gif"));
styleMenu.add(subscriptMenuItem);
styleMenu.add(superscriptMenuItem);
styleMenu.add(strikeThroughMenuItem);
JMenuItem leftAlignMenuItem = new JMenuItem(new StyledEditorKit.AlignmentAction("Left Align",StyleConstants.ALIGN_LEFT));
JMenuItem centerMenuItem = new JMenuItem(new StyledEditorKit.AlignmentAction("Center",StyleConstants.ALIGN_CENTER));
JMenuItem rightAlignMenuItem = new JMenuItem(new StyledEditorKit.AlignmentAction ("Right Align",StyleConstants.ALIGN_RIGHT));
leftAlignMenuItem.setText("Left Align");
centerMenuItem.setText("Center");
rightAlignMenuItem.setText("Right Align");
leftAlignMenuItem.setIcon(new ImageIcon("left.gif"));
centerMenuItem.setIcon(new ImageIcon("center.gif"));
rightAlignMenuItem.setIcon(new ImageIcon("right.gif"));
alignMenu.add(leftAlignMenuItem);
alignMenu.add(centerMenuItem);
alignMenu.add(rightAlignMenuItem);
JMenuItem helpItem = new JMenuItem("Help");
helpItem.addActionListener(this);
helpMenu.add(helpItem);
JMenuItem shortcutsItem = new JMenuItem("Keyboard Shortcuts");
shortcutsItem.addActionListener(this);
helpMenu.add(shortcutsItem);
JMenuItem aboutItem = new JMenuItem("About QuantumHyperSpace");
aboutItem.addActionListener(this);
helpMenu.add(aboutItem);
JPanel editorControlPanel = new JPanel();
//editorControlPanel.setLayout(new GridLayout(3,3));
editorControlPanel.setLayout(new FlowLayout());
/* JButtons */
JButton cutButton = new JButton(cutAction);
JButton copyButton = new JButton(copyAction);
JButton pasteButton = new JButton(pasteAction);
JButton boldButton = new JButton(boldAction);
JButton underlineButton = new JButton(underlineAction);
JButton italicButton = new JButton(italicAction);
//JButton insertButton = new JButton(insertAction);
//JButton insertBreakButton = new JButton(insertBreakAction);
//JButton tabButton = new JButton(tabAction);
cutButton.setText("Cut");
copyButton.setText("Copy");
pasteButton.setText("Paste");
boldButton.setText("Bold");
underlineButton.setText("Underline");
italicButton.setText("Italic");
//insertButton.setText("Insert");
//insertBreakButton.setText("Insert Break");
//tabButton.setText("Tab");
cutButton.setIcon(new ImageIcon("cut.gif"));
copyButton.setIcon(new ImageIcon("copy.gif"));
pasteButton.setIcon(new ImageIcon("paste.gif"));
boldButton.setIcon(new ImageIcon("bold.gif"));
underlineButton.setIcon(new ImageIcon("underline.gif"));
italicButton.setIcon(new ImageIcon("italic.gif"));
editorControlPanel.add(cutButton);
editorControlPanel.add(copyButton);
editorControlPanel.add(pasteButton);
editorControlPanel.add(boldButton);
editorControlPanel.add(underlineButton);
editorControlPanel.add(italicButton);
//editorControlPanel.add(insertButton);
//editorControlPanel.add(insertBreakButton);
//editorControlPanel.add(tabButton);
JButton subscriptButton = new JButton(new SubscriptAction());
JButton superscriptButton = new JButton(new SuperscriptAction());
JButton strikeThroughButton = new JButton(new StrikeThroughAction());
subscriptButton.setIcon(new ImageIcon("subscript.gif"));
superscriptButton.setIcon(new ImageIcon("superscript.gif"));
strikeThroughButton.setIcon(new ImageIcon("strikethough.gif"));
JPanel specialPanel = new JPanel();
specialPanel.setLayout(new FlowLayout());
specialPanel.add(subscriptButton);
specialPanel.add(superscriptButton);
specialPanel.add(strikeThroughButton);
//JButton leftAlignButton = new JButton(new AlignLeftAction());
//JButton centerButton = new JButton(new CenterAction());
//JButton rightAlignButton = new JButton(new AlignRightAction());
JButton leftAlignButton = new JButton(new StyledEditorKit.AlignmentAction("Left Align",StyleConstants.ALIGN_LEFT));
JButton centerButton = new JButton(new StyledEditorKit.AlignmentAction("Center",StyleConstants.ALIGN_CENTER));
JButton rightAlignButton = new JButton(new StyledEditorKit.AlignmentAction ("Right Align",StyleConstants.ALIGN_RIGHT));
JButton colorButton = new JButton(new StyledEditorKit.AlignmentAction ("Right Align",StyleConstants.ALIGN_RIGHT));
leftAlignButton.setIcon(new ImageIcon("left.gif"));
centerButton.setIcon(new ImageIcon("center.gif"));
rightAlignButton.setIcon(new ImageIcon("right.gif"));
colorButton.setIcon(new ImageIcon("color.gif"));
leftAlignButton.setText("Left Align");
centerButton.setText("Center");
rightAlignButton.setText("Right Align");
JPanel alignPanel = new JPanel();
alignPanel.setLayout(new FlowLayout());
alignPanel.add(leftAlignButton);
alignPanel.add(centerButton);
alignPanel.add(rightAlignButton);
document.addUndoableEditListener(undoHandler);
resetUndoManager();
textPane = new JTextPane(document);
textPane.setContentType("text/html");
JScrollPane scrollPane = new JScrollPane(textPane);
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension scrollPaneSize = new Dimension(5*screenSize.width/8,5*screenSize.height/8);
scrollPane.setPreferredSize(scrollPaneSize);
JPanel toolPanel = new JPanel();
toolPanel.setLayout(new BorderLayout());
toolPanel.add(editorControlPanel, BorderLayout.NORTH);
toolPanel.add(specialPanel, BorderLayout.CENTER);
toolPanel.add(alignPanel, BorderLayout.SOUTH);
getContentPane().add(menuBar, BorderLayout.NORTH);
//getContentPane().add(toolPanel, BorderLayout.CENTER);
getContentPane().add(scrollPane, BorderLayout.SOUTH);
pack();
setLocationRelativeTo(null);
startNewDocument();
show();
}
public void actionPerformed(ActionEvent ae){
String actionCommand = ae.getActionCommand();
if (debug){
int modifier = ae.getModifiers();
long when = ae.getWhen();
String parameter = ae.paramString();
System.out.println("actionCommand: " + actionCommand);
System.out.println("modifier: " + modifier);
System.out.println("when: " + when);
System.out.println("parameter: " + parameter);
}
if (actionCommand.compareTo("New") == 0){
startNewDocument();
} else if (actionCommand.compareTo("Open") == 0){
openDocument();
} else if (actionCommand.compareTo("Save") == 0){
saveDocument();
} else if (actionCommand.compareTo("Save As") == 0){
saveDocumentAs();
} else if (actionCommand.compareTo("Exit") == 0){
exit();
} else if (actionCommand.compareTo("Clear") == 0){
clear();
} else if (actionCommand.compareTo("Select All") == 0){
selectAll();
} else if (actionCommand.compareTo("Help") == 0){
help();
} else if (actionCommand.compareTo("Keyboard Shortcuts") == 0){
showShortcuts();
} else if (actionCommand.compareTo("About QuantumHyperSpace") == 0){
aboutQuantumHyperSpace();
}
}
protected void resetUndoManager() {
undo.discardAllEdits();
undoAction.update();
redoAction.update();
}
public void startNewDocument(){
Document oldDoc = textPane.getDocument();
if(oldDoc != null)
oldDoc.removeUndoableEditListener(undoHandler);
HTMLEditorKit editorKit = new HTMLEditorKit();
document = (HTMLDocument)editorKit.createDefaultDocument();
textPane.setDocument(document);
currentFile = null;
setTitle("HTMLDocumentEditor");
textPane.getDocument().addUndoableEditListener(undoHandler);
resetUndoManager();
}
public void openDocument(){
try{
File current = new File(".");
JFileChooser chooser = new JFileChooser(current);
chooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
chooser.setFileFilter(new HTMLFileFilter());
int approval = chooser.showSaveDialog(this);
if (approval == JFileChooser.APPROVE_OPTION){
currentFile = chooser.getSelectedFile();
setTitle(currentFile.getName());
FileReader fr = new FileReader(currentFile);
Document oldDoc = textPane.getDocument();
if(oldDoc != null)
oldDoc.removeUndoableEditListener(undoHandler);
HTMLEditorKit editorKit = new HTMLEditorKit();
document = (HTMLDocument)editorKit.createDefaultDocument();
editorKit.read(fr,document,0);
document.addUndoableEditListener(undoHandler);
textPane.setDocument(document);
resetUndoManager();
}
}catch(BadLocationException ble){
System.err.println("BadLocationException: " + ble.getMessage());
}catch(FileNotFoundException fnfe){
System.err.println("FileNotFoundException: " + fnfe.getMessage());
}catch(IOException ioe){
System.err.println("IOException: " + ioe.getMessage());
}
}
public void saveDocument(){
if (currentFile != null){
try{
FileWriter fw = new FileWriter(currentFile);
fw.write(textPane.getText());
fw.close();
}catch(FileNotFoundException fnfe){
System.err.println("FileNotFoundException: " + fnfe.getMessage());
}catch(IOException ioe){
System.err.println("IOException: " + ioe.getMessage());
}
}else{
saveDocumentAs();
}
}
public void saveDocumentAs(){
try{
File current = new File(".");
JFileChooser chooser = new JFileChooser(current);
chooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
chooser.setFileFilter(new HTMLFileFilter());
int approval = chooser.showSaveDialog(this);
if (approval == JFileChooser.APPROVE_OPTION){
File newFile = chooser.getSelectedFile();
if (newFile.exists()){
String message = newFile.getAbsolutePath()
+ " already exists. \n"
+ "Do you want to replace it?";
if (JOptionPane.showConfirmDialog(this, message) == JOptionPane.YES_OPTION){
currentFile = newFile;
setTitle(currentFile.getName());
FileWriter fw = new FileWriter(currentFile);
fw.write(textPane.getText());
fw.close();
if (debug) System.out.println("Saved " + currentFile.getAbsolutePath());
}
}else{
currentFile = new File(newFile.getAbsolutePath());
setTitle(currentFile.getName());
FileWriter fw = new FileWriter(currentFile);
fw.write(textPane.getText());
fw.close();
if (debug) System.out.println("Saved " + currentFile.getAbsolutePath());
}
}
}catch(FileNotFoundException fnfe){
System.err.println("FileNotFoundException: " + fnfe.getMessage());
}catch(IOException ioe){
System.err.println("IOException: " + ioe.getMessage());
}
}
public void exit(){
String exitMessage = "Are you sure you want to exit?";
if (JOptionPane.showConfirmDialog(this, exitMessage) == JOptionPane.YES_OPTION){
System.exit(0);
}
}
public void clear(){
startNewDocument();
}
public void selectAll(){
textPane.selectAll();
}
public void help(){
JOptionPane.showMessageDialog(this,"DocumentEditor.java\n" +
"Author: Charles Bell\n" +
"Version: May 25, 2002\n" +
"http://www.quantumhyperspace.com\n" +
"QuantumHyperSpace Programming Services");
}
public void showShortcuts(){
String shortcuts = "Navigate in | Tab\n" +
"Navigate out | Ctrl+Tab\n" +
"Navigate out backwards | Shift+Ctrl+Tab\n" +
"Move up/down a line | Up/Down Arrown\n" +
"Move left/right a component or char | Left/Right Arrow\n" +
"Move up/down one vertical block | PgUp/PgDn\n" +
"Move to start/end of line | Home/End\n" +
"Move to previous/next word | Ctrl+Left/Right Arrow\n" +
"Move to start/end of data | Ctrl+Home/End\n" +
"Move left/right one block | Ctrl+PgUp/PgDn\n" +
"Select All | Ctrl+A\n" +
"Extend selection up one line | Shift+Up Arrow\n" +
"Extend selection down one line | Shift+Down Arrow\n" +
"Extend selection to beginning of line | Shift+Home\n" +
"Extend selection to end of line | Shift+End\n" +
"Extend selection to beginning of data | Ctrl+Shift+Home\n" +
"Extend selection to end of data | Ctrl+Shift+End\n" +
"Extend selection left | Shift+Right Arrow\n" +
"Extend selection right | Shift+Right Arrow\n" +
"Extend selection up one vertical block | Shift+PgUp\n" +
"Extend selection down one vertical block | Shift+PgDn\n" +
"Extend selection left one block | Ctrl+Shift+PgUp\n" +
"Extend selection right one block | Ctrl+Shift+PgDn\n" +
"Extend selection left one word | Ctrl+Shift+Left Arrow\n" +
"Extend selection right one word | Ctrl+Shift+Right Arrow\n";
JOptionPane.showMessageDialog(this,shortcuts);
}
public void aboutQuantumHyperSpace(){
JOptionPane.showMessageDialog(this,"QuantumHyperSpace Programming Services\n" +
"http://www.quantumhyperspace.com\n" +
"email: support@quantumhyperspace.com\n" +
" or \n" +
"email: charles@quantumhyperspace.com\n",
"QuantumHyperSpace",JOptionPane.INFORMATION_MESSAGE,
new ImageIcon("quantumhyperspace.gif"));
}
class FrameListener extends WindowAdapter{
public void windowClosing(WindowEvent we){
exit();
}
}
class SubscriptAction extends StyledEditorKit.StyledTextAction{
public SubscriptAction(){
super(StyleConstants.Subscript.toString());
}
public void actionPerformed(ActionEvent ae){
JEditorPane editor = getEditor(ae);
if (editor != null) {
StyledEditorKit kit = getStyledEditorKit(editor);
MutableAttributeSet attr = kit.getInputAttributes();
boolean subscript = (StyleConstants.isSubscript(attr)) ? false : true;
SimpleAttributeSet sas = new SimpleAttributeSet();
StyleConstants.setSubscript(sas, subscript);
setCharacterAttributes(editor, sas, false);
}
}
}
class SuperscriptAction extends StyledEditorKit.StyledTextAction{
public SuperscriptAction(){
super(StyleConstants.Superscript.toString());
}
public void actionPerformed(ActionEvent ae){
JEditorPane editor = getEditor(ae);
if (editor != null) {
StyledEditorKit kit = getStyledEditorKit(editor);
MutableAttributeSet attr = kit.getInputAttributes();
boolean superscript = (StyleConstants.isSuperscript(attr)) ? false : true;
SimpleAttributeSet sas = new SimpleAttributeSet();
StyleConstants.setSuperscript(sas, superscript);
setCharacterAttributes(editor, sas, false);
}
}
}
class StrikeThroughAction extends StyledEditorKit.StyledTextAction{
public StrikeThroughAction(){
super(StyleConstants.StrikeThrough.toString());
}
public void actionPerformed(ActionEvent ae){
JEditorPane editor = getEditor(ae);
if (editor != null) {
StyledEditorKit kit = getStyledEditorKit(editor);
MutableAttributeSet attr = kit.getInputAttributes();
boolean strikeThrough = (StyleConstants.isStrikeThrough(attr)) ? false : true;
SimpleAttributeSet sas = new SimpleAttributeSet();
StyleConstants.setStrikeThrough(sas, strikeThrough);
setCharacterAttributes(editor, sas, false);
}
}
}
class HTMLFileFilter extends javax.swing.filechooser.FileFilter{
public boolean accept(File f){
return ((f.isDirectory()) ||(f.getName().toLowerCase().indexOf(".htm") > 0));
}
public String getDescription(){
return "html";
}
}
class UndoHandler implements UndoableEditListener {
/**
* Messaged when the Document has created an edit, the edit is
* added to <code>undo</code>, an instance of UndoManager.
*/
public void undoableEditHappened(UndoableEditEvent e) {
undo.addEdit(e.getEdit());
undoAction.update();
redoAction.update();
}
}
class UndoAction extends AbstractAction {
public UndoAction() {
super("Undo");
setEnabled(false);
}
public void actionPerformed(ActionEvent e) {
try {
undo.undo();
} catch (CannotUndoException ex) {
System.out.println("Unable to undo: " + ex);
ex.printStackTrace();
}
update();
redoAction.update();
}
protected void update() {
if(undo.canUndo()) {
setEnabled(true);
putValue(Action.NAME, undo.getUndoPresentationName());
}else {
setEnabled(false);
putValue(Action.NAME, "Undo");
}
}
}
class RedoAction extends AbstractAction {
public RedoAction() {
super("Redo");
setEnabled(false);
}
public void actionPerformed(ActionEvent e) {
try {
undo.redo();
} catch (CannotRedoException ex) {
System.err.println("Unable to redo: " + ex);
ex.printStackTrace();
}
update();
undoAction.update();
}
protected void update() {
if(undo.canRedo()) {
setEnabled(true);
putValue(Action.NAME, undo.getRedoPresentationName());
}else {
setEnabled(false);
putValue(Action.NAME, "Redo");
}
}
}
} |
Partager