- * - * This example uses RSyntaxTextArea 2.0.1.
- *
- * Project Home: http://fifesoft.com/rsyntaxtextarea
- * Downloads: https://sourceforge.net/projects/rsyntaxtextarea
- */
-public class SyntaxSchemeDemo extends JFrame implements ActionListener {
-
- private static final long serialVersionUID = 1L;
-
- private RSyntaxTextArea textArea;
-
- private static final String text = "public class ExampleSource {\n\n"
- + " // Check out the crazy modified styles!\n"
- + " public static void main(String[] args) {\n"
- + " System.out.println(\"Hello, world!\");\n" + " }\n\n"
- + "}\n";
-
- public SyntaxSchemeDemo() {
-
- java.net.URL url = ClassLoader.getSystemResource("ethereum-icon.png");
- Toolkit kit = Toolkit.getDefaultToolkit();
- Image img = kit.createImage(url);
- this.setIconImage(img);
-
- JPanel cp = new JPanel(new BorderLayout());
-
- textArea = new RSyntaxTextArea(20, 60);
- textArea.setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_JAVA);
- textArea.setCodeFoldingEnabled(true);
- textArea.setAntiAliasingEnabled(true);
- RTextScrollPane sp = new RTextScrollPane(textArea);
- cp.add(sp);
-
-// JPanel buttons = new JPanel();
-// buttons.setLayout(new FlowLayout());
-// buttons.add(new JButton("build"));
-//
-// cp.add(buttons, BorderLayout.SOUTH);
-
- textArea.setText(text);
-
- JMenuBar mb = new JMenuBar();
- JMenu menu = new JMenu("File");
- mb.add(menu);
- JMenuItem changeStyleProgrammaticallyItem = new JMenuItem(
- "Change Style Programmatically");
- changeStyleProgrammaticallyItem
- .setActionCommand("ChangeProgrammatically");
- changeStyleProgrammaticallyItem.addActionListener(this);
- menu.add(changeStyleProgrammaticallyItem);
- JMenuItem changeStyleViaThemesItem = new JMenuItem(
- "Change Style via Theme XML");
- changeStyleViaThemesItem.setActionCommand("ChangeViaThemes");
- changeStyleViaThemesItem.addActionListener(this);
- menu.add(changeStyleViaThemesItem);
-// setJMenuBar(mb);
-
- setContentPane(cp);
- setTitle("Connection Console");
- setDefaultCloseOperation(EXIT_ON_CLOSE);
- pack();
- setLocationRelativeTo(null);
- }
-
- /**
- * Listens for the selection of a menu item and performs an action
- * accordingly.
- */
- public void actionPerformed(ActionEvent e) {
- String command = e.getActionCommand();
- if ("ChangeProgrammatically".equals(command)) {
- changeStyleProgrammatically();
- } else if ("ChangeViaThemes".equals(command)) {
- changeStyleViaThemeXml();
- }
- }
-
- /**
- * Changes the styles used in the editor programmatically.
- */
- private void changeStyleProgrammatically() {
-
- // Set the font for all token types.
- setFont(textArea, new Font("Comic Sans MS", Font.PLAIN, 16));
-
- // Change a few things here and there.
- SyntaxScheme scheme = textArea.getSyntaxScheme();
- scheme.getStyle(Token.RESERVED_WORD).background = Color.pink;
- scheme.getStyle(Token.DATA_TYPE).foreground = Color.blue;
- scheme.getStyle(Token.LITERAL_STRING_DOUBLE_QUOTE).underline = true;
- scheme.getStyle(Token.COMMENT_EOL).font = new Font("Georgia",
- Font.ITALIC, 12);
-
- textArea.revalidate();
- }
-
- /**
- * Changes the styles used by the editor via an XML file specification. This
- * method is preferred because of its ease and modularity.
- */
- private void changeStyleViaThemeXml() {
- try {
- Theme theme = Theme.load(getClass().getResourceAsStream(
- "/eclipse_theme.xml"));
- theme.apply(textArea);
- } catch (IOException ioe) { // Never happens
- ioe.printStackTrace();
- }
- }
-
- /**
- * Set the font for all token types.
- *
- * @param textArea The text area to modify.
- * @param font The font to use.
- */
- public static void setFont(RSyntaxTextArea textArea, Font font) {
- if (font != null) {
- SyntaxScheme ss = textArea.getSyntaxScheme();
- ss = (SyntaxScheme) ss.clone();
- for (int i = 0; i < ss.getStyleCount(); i++) {
- if (ss.getStyle(i) != null) {
- ss.getStyle(i).font = font;
- }
- }
- textArea.setSyntaxScheme(ss);
- textArea.setFont(font);
- }
- }
-
- public static void main(String[] args) {
- // Start all Swing applications on the EDT.
- SwingUtilities.invokeLater(new Runnable() {
- public void run() {
- new SyntaxSchemeDemo().setVisible(true);
- }
- });
- }
-}