Java实现的编辑器语法着色功能

package syntaxcolor.v4; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import java.io.*; import javax.swing.*; import syntaxcolor.v4.syntaxcolor.*; import syntaxcolor.v4.syntaxcolor.rule.IRule; import syntaxcolor.v4.syntaxcolor.style.SyntaxColorStyle; public class DemoFrame { private JFrame jFrame = null; // @jve:decl-index=0:visual-constraint="10,10" private JPanel jContentPane = null; private JMenuBar jJMenuBar = null; private JMenu fileMenu = null; private JMenu editMenu = null; private JMenu helpMenu = null; private JMenuItem exitMenuItem = null; private JMenuItem aboutMenuItem = null; private JMenuItem cutMenuItem = null; private JMenuItem copyMenuItem = null; private JMenuItem pasteMenuItem = null; private JMenuItem openMenuItem = null; private JDialog aboutDialog = null; private JPanel aboutContentPane = null; private JLabel aboutVersionLabel = null; private JScrollPane jScrollPane = null; private JTextPane jTextPane = null; /** * This method initializes jScrollPane * * @return javax.swing.JScrollPane */ private JScrollPane getJScrollPane() { if (jScrollPane == null) { jScrollPane = new JScrollPane(); jScrollPane .setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED); jScrollPane.setViewportView(getJTextPane()); } return jScrollPane; } /** * Main Method * * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub SwingUtilities.invokeLater(new Runnable() { public void run() { DemoFrame application = new DemoFrame(); application.addSyntaxColor(); application.getJFrame().setVisible(true); // try { // UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); // SwingUtilities.updateComponentTreeUI(application.getJFrame()); // } catch (Exception e) { // e.printStackTrace(); // } } }); } /** * This method initializes jFrame * * @return javax.swing.JFrame */ private JFrame getJFrame() { if (jFrame == null) { jFrame = new JFrame(); jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); jFrame.setJMenuBar(getJJMenuBar()); jFrame.setSize(540, 361); jFrame.setContentPane(getJContentPane()); jFrame.setTitle("Application"); } return jFrame; } /** * This method initializes jContentPane * * @return javax.swing.JPanel */ private JPanel getJContentPane() { if (jContentPane == null) { jContentPane = new JPanel(); jContentPane.setLayout(new BorderLayout()); jContentPane.add(getJScrollPane(), BorderLayout.CENTER); } return jContentPane; } /** * This method initializes jJMenuBar * * @return javax.swing.JMenuBar */ private JMenuBar getJJMenuBar() { if (jJMenuBar == null) { jJMenuBar = new JMenuBar(); jJMenuBar.add(getFileMenu()); jJMenuBar.add(getEditMenu()); jJMenuBar.add(getHelpMenu()); } return jJMenuBar; } /** * This method initializes jMenu * * @return javax.swing.JMenu */ private JMenu getFileMenu() { if (fileMenu == null) { fileMenu = new JMenu(); fileMenu.setText("File"); fileMenu.add(getOpenMenuItem()); fileMenu.add(getCopyMenuItem()); fileMenu.add(getExitMenuItem()); } return fileMenu; } /** * This method initializes jMenu * * @return javax.swing.JMenu */ private JMenu getEditMenu() { if (editMenu == null) { editMenu = new JMenu(); editMenu.setText("Edit"); editMenu.add(getCutMenuItem()); editMenu.add(getPasteMenuItem()); } return editMenu; } /** * This method initializes jMenu * * @return javax.swing.JMenu */ private JMenu getHelpMenu() { if (helpMenu == null) { helpMenu = new JMenu(); helpMenu.setText("Help"); helpMenu.add(getAboutMenuItem()); } return helpMenu; } /** * This method initializes jMenuItem * * @return javax.swing.JMenuItem */ private JMenuItem getExitMenuItem() { if (exitMenuItem == null) { exitMenuItem = new JMenuItem(); exitMenuItem.setText("Exit"); exitMenuItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { System.exit(0); } }); } return exitMenuItem; } /** * This method initializes jMenuItem * * @return javax.swing.JMenuItem */ private JMenuItem getAboutMenuItem() { if (aboutMenuItem == null) { aboutMenuItem = new JMenuItem(); aboutMenuItem.setText("About"); aboutMenuItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { aboutDialog = getAboutDialog(); aboutDialog.pack(); Point loc = getJFrame().getLocation(); loc.translate(20, 20); aboutDialog.setLocation(loc); aboutDialog.setVisible(true); } }); } return aboutMenuItem; } /** * This method initializes aboutDialog * * @return javax.swing.JDialog */ private JDialog getAboutDialog() { if (aboutDialog == null) { aboutDialog = new JDialog(getJFrame(), true); aboutDialog.setTitle("About"); aboutDialog.setContentPane(getAboutContentPane()); } return aboutDialog; } /** * This method initializes aboutContentPane * * @return javax.swing.JPanel */ private JPanel getAboutContentPane() { if (aboutContentPane == null) { aboutContentPane = new JPanel(); aboutContentPane.setLayout(new BorderLayout()); aboutContentPane.add(getAboutVersionLabel(), BorderLayout.CENTER); } return aboutContentPane; } /** * This method initializes aboutVersionLabel * * @return javax.swing.JLabel */ private JLabel getAboutVersionLabel() { if (aboutVersionLabel == null) { aboutVersionLabel = new JLabel(); aboutVersionLabel.setText("Version 1.0"); aboutVersionLabel.setHorizontalAlignment(SwingConstants.CENTER); } return aboutVersionLabel; } /** * This method initializes jMenuItem * * @return javax.swing.JMenuItem */ private JMenuItem getCutMenuItem() { if (cutMenuItem == null) { cutMenuItem = new JMenuItem(); cutMenuItem.setText("Cut"); cutMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X, Event.CTRL_MASK, true)); } return cutMenuItem; } /** * This method initializes jMenuItem * * @return javax.swing.JMenuItem */ private JMenuItem getCopyMenuItem() { if (copyMenuItem == null) { copyMenuItem = new JMenuItem(); copyMenuItem.setText("Generate HTML..."); copyMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_G, Event.CTRL_MASK, true)); copyMenuItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { String html = new HtmlGenerator(syntaxColorPainter).generateHTML(); System.out.println(html); if (getChooser().showSaveDialog(getJFrame()) == JFileChooser.APPROVE_OPTION) { try { FileWriter fw = new FileWriter(getChooser().getSelectedFile()); fw.write(html); fw.close();