JTextPane <br oder <p> statt \n

[Capasso]

Hi,

ich habe nen JTextPane das HTML darstellt. Wenn man enter drückt wird leider ein Zeilenumbruch (\n) eingefügt. Ich bräuchte aber ein <br> oder ein <p></p> statt \n.

Habe folgenden Quelltext im Netz gefunden.
Bei der Anwendung wird ein <p></p> eingefügt wenn man enter drückt. Allerdings ist mir völlig schleierhaft an welcher Stelle das geschieht.

[highlight=Java]

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", "&lt;ul&gt;&lt;li&gt; &lt;/li&gt;&lt;/ul&gt;",HTML.Tag.P,HTML.Tag.UL);
private HTMLEditorKit.InsertHTMLTextAction bulletAction
= new HTMLEditorKit.InsertHTMLTextAction("Bullets", "&lt;li&gt; &lt;/li&gt;",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&amp;F
try {
//UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
// If you want the System L&amp;F instead, comment out the above line and
// uncomment the following:
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Exception exc) {
System.err.println("Error loading L&amp;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);
JMenuItem nextTypeItem = new JMenuItem(fontTypes);
nextTypeItem.setAction(new StyledEditorKit.FontFamilyAction(fontTypes, fontTypes));
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);
JMenuItem nextSizeItem = new JMenuItem(String.valueOf(fontSizes));
nextSizeItem.setAction(new StyledEditorKit.FontSizeAction(String.valueOf(fontSizes), fontSizes));
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");
}
[/highlight]

 

[Capasso]

.. fortsetzung
[highlight=Java]


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 &lt;code&gt;undo&lt;/code&gt;, 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");
}
}
}
}
[/highlight]

 

[Capasso]

Hmm,

irgendwie hat sich das problem von anleine erledigt. Aufmal funktioniert das.