private void jCmbLangsItemStateChanged(java.awt.event.ItemEvent evt) {
if (evt.getStateChange() == ItemEvent.SELECTED) {
String lang = jCmbLangs.getSelectedItem().toString();
// save the state of the current JEditorPane, as it's Document is about
// to be replaced.
String oldText = jEditor.getText();
// install a new DefaultSyntaxKit on the JEditorPane for the requested language.
jEditor.setContentType(lang);
// Recreate the Toolbar
jToolBar1.removeAll();
EditorKit kit = jEditor.getEditorKit();
if (kit instanceof DefaultSyntaxKit) {
DefaultSyntaxKit defaultSyntaxKit = (DefaultSyntaxKit) kit;
defaultSyntaxKit.addToolBarActions(jEditor, jToolBar1);
}
jToolBar1.validate();
try {
// setText should not be called (read the JavaDocs). Better use the read
// method and create a new document.
jEditor.read(new StringReader(oldText), lang);
} catch (IOException ex) {
Logger.getLogger(SyntaxTester.class.getName()).log(Level.SEVERE, null, ex);
}
}
jEditor.requestFocusInWindow();
}
public CKSyntaxPaneTest() {
JFrame f = new JFrame("Party"); // CKSytaxPaneTest.class.getName());
final Container c = f.getContentPane();
c.setLayout(new BorderLayout());
// DefaultSyntaxKit.initKit();
final JEditorPane codeEditor = new JEditorPane();
JScrollPane scrPane = new JScrollPane(codeEditor);
// codeEditor.setContentType("text/python");
codeEditor.setEditorKit(new PythonSyntaxKit());
// codeEditor.setText("public static void main(String[] args) {\n}");
// toolbar is part of the editor kit--ausome!
JToolBar jToolBar1 = new javax.swing.JToolBar();
jToolBar1.setRollover(true);
jToolBar1.setFocusable(false);
EditorKit kit = codeEditor.getEditorKit();
if (kit instanceof DefaultSyntaxKit) {
DefaultSyntaxKit defaultSyntaxKit = (DefaultSyntaxKit) kit;
defaultSyntaxKit.addToolBarActions(codeEditor, jToolBar1);
}
jToolBar1.validate();
c.add(jToolBar1, BorderLayout.PAGE_START);
c.add(scrPane, BorderLayout.CENTER);
// c.add(codeEditor, BorderLayout.CENTER);
// create console for output?
JTextPane tpane = new JTextPane();
c.add(tpane, BorderLayout.LINE_START);
c.doLayout();
f.setSize(800, 600);
f.setVisible(true);
f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
}