void editorPane_keyPressed(KeyEvent e) { StyledDocument doc = editorPane.getStyledDocument(); int pos = editorPane.getCaretPosition(); int code = e.getKeyCode(); Element el; switch (code) { case KeyEvent.VK_BACK_SPACE: case KeyEvent.VK_DELETE: case KeyEvent.VK_LEFT: case KeyEvent.VK_KP_LEFT: if (pos == 0) return; // we want to get the element to the left of position. el = doc.getCharacterElement(pos - 1); break; case KeyEvent.VK_RIGHT: case KeyEvent.VK_KP_RIGHT: // we want to get the element to the right of position. el = doc.getCharacterElement(pos + 1); break; default: return; // bail we don't handle it. } AttributeSet attr = el.getAttributes(); String el_name = (String) attr.getAttribute(StyleConstants.NameAttribute); int el_range = el.getEndOffset() - el.getStartOffset() - 1; if (el_name.startsWith("Parameter") && StyleConstants.getComponent(attr) != null) { try { switch (code) { case KeyEvent.VK_BACK_SPACE: case KeyEvent.VK_DELETE: doc.remove(el.getStartOffset(), el_range); break; case KeyEvent.VK_LEFT: case KeyEvent.VK_KP_LEFT: editorPane.setCaretPosition(pos - el_range); break; case KeyEvent.VK_RIGHT: case KeyEvent.VK_KP_RIGHT: editorPane.setCaretPosition(pos + (el_range)); break; } } catch (BadLocationException ex) { } } }
// Update the box that shows current actions. public void updateGUI(String message) { StyledDocument text = updateBox.getStyledDocument(); SimpleAttributeSet currentWords = new SimpleAttributeSet(); StyleConstants.setBold(currentWords, true); SimpleAttributeSet pastWords = new SimpleAttributeSet(); StyleConstants.setBold(pastWords, false); try { text.setCharacterAttributes(0, text.getLength(), pastWords, true); text.insertString(0, message + "\n", currentWords); } catch (BadLocationException e) { // TODO Auto-generated catch block System.err.println("Bad location exception while styling updateBox."); e.printStackTrace(); } updateBox.setCaretPosition(0); }
protected void buildErrorPanel() { errorPanel = new JPanel(); GroupLayout layout = new GroupLayout(errorPanel); layout.setAutoCreateGaps(true); layout.setAutoCreateContainerGaps(true); errorPanel.setLayout(layout); // errorPanel.setBorder(BorderFactory.createMatteBorder(2, 0, 0, 0, Color.BLACK)); errorMessage = new JTextPane(); errorMessage.setEditable(false); errorMessage.setContentType("text/html"); errorMessage.setText( "<html><body>Could not connect to the Processing server.<br>" + "Contributions cannot be installed or updated without an Internet connection.<br>" + "Please verify your network connection again, then try connecting again.</body></html>"); errorMessage.setFont(Toolkit.getSansFont(14, Font.PLAIN)); errorMessage.setMaximumSize(new Dimension(550, 50)); errorMessage.setOpaque(false); StyledDocument doc = errorMessage.getStyledDocument(); SimpleAttributeSet center = new SimpleAttributeSet(); StyleConstants.setAlignment(center, StyleConstants.ALIGN_CENTER); doc.setParagraphAttributes(0, doc.getLength(), center, false); closeButton = new JButton("X"); closeButton.setContentAreaFilled(false); closeButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { contribDialog.makeAndShowTab(false, false); } }); tryAgainButton = new JButton("Try Again"); tryAgainButton.setFont(Toolkit.getSansFont(14, Font.PLAIN)); tryAgainButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { contribDialog.makeAndShowTab(false, true); contribDialog.downloadAndUpdateContributionListing(editor.getBase()); } }); layout.setHorizontalGroup( layout .createSequentialGroup() .addPreferredGap( LayoutStyle.ComponentPlacement.RELATED, GroupLayout.PREFERRED_SIZE, Short.MAX_VALUE) .addGroup( layout .createParallelGroup(GroupLayout.Alignment.CENTER) .addComponent(errorMessage) .addComponent( tryAgainButton, StatusPanel.BUTTON_WIDTH, StatusPanel.BUTTON_WIDTH, StatusPanel.BUTTON_WIDTH)) .addPreferredGap( LayoutStyle.ComponentPlacement.RELATED, GroupLayout.PREFERRED_SIZE, Short.MAX_VALUE) .addComponent(closeButton)); layout.setVerticalGroup( layout .createSequentialGroup() .addGroup( layout.createParallelGroup().addComponent(errorMessage).addComponent(closeButton)) .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(tryAgainButton)); errorPanel.setBackground(Color.PINK); errorPanel.validate(); }
public static void main() { // Main frame = new JFrame("Java Playground"); frame.setSize(640, 480); // Make sure the divider is properly resized frame.addComponentListener( new ComponentAdapter() { public void componentResized(ComponentEvent c) { splitter.setDividerLocation(.8); } }); // Make sure the JVM is reset on close frame.addWindowListener( new WindowAdapter() { public void windowClosed(WindowEvent w) { new FrameAction().kill(); } }); // Setting up the keybinding // Ctrl+k or Cmd+k -> compile bind(KeyEvent.VK_K); // Ctrl+e or Cmd+e -> console bind(KeyEvent.VK_E); // Save, New file, Open file, Print. // Currently UNUSED until I figure out how normal java files and playground files will // interface. bind(KeyEvent.VK_S); bind(KeyEvent.VK_N); bind(KeyEvent.VK_O); bind(KeyEvent.VK_P); // Binds the keys to the action defined in the FrameAction class. frame.getRootPane().getActionMap().put("console", new FrameAction()); // The main panel for typing code in. text = new JTextPane(); textScroll = new JScrollPane(text); textScroll.setBorder(null); textScroll.setPreferredSize(new Dimension(640, 480)); // Document with syntax highlighting. Currently unfinished. doc = text.getStyledDocument(); doc.addDocumentListener( new DocumentListener() { public void changedUpdate(DocumentEvent d) {} public void insertUpdate(DocumentEvent d) {} public void removeUpdate(DocumentEvent d) {} }); ((AbstractDocument) doc).setDocumentFilter(new NewLineFilter()); // The output log; a combination compiler warning/error/runtime error/output log. outputText = new JTextPane(); outputScroll = new JScrollPane(outputText); outputScroll.setBorder(null); // "Constant" for the error font error = new SimpleAttributeSet(); error.addAttribute(StyleConstants.CharacterConstants.Italic, Boolean.TRUE); error.addAttribute(StyleConstants.Foreground, Color.RED); // "Constant" for the warning message font warning = new SimpleAttributeSet(); warning.addAttribute(StyleConstants.CharacterConstants.Italic, Boolean.TRUE); warning.addAttribute(StyleConstants.Foreground, Color.PINK); // "Constant" for the debugger error font progErr = new SimpleAttributeSet(); progErr.addAttribute(StyleConstants.Foreground, Color.BLUE); // Print streams to redirect System.out and System.err. out = new TextOutputStream(outputText, null); err = new TextOutputStream(outputText, error); System.setOut(new PrintStream(out)); System.setErr(new PrintStream(err)); // Sets up the output log outputText.setEditable(false); outputScroll.setVisible(true); // File input/output setup chooser = new JFileChooser(); // Setting up miscellaneous stuff compiler = ToolProvider.getSystemJavaCompiler(); JVMrunning = false; redirectErr = null; redirectOut = null; redirectIn = null; // Sets up the splitter pane and opens the program up splitter = new JSplitPane(JSplitPane.VERTICAL_SPLIT, textScroll, outputScroll); consoleDisplayed = false; splitter.remove(outputScroll); // Initially hides terminal until it is needed splitter.setOneTouchExpandable(true); frame.add(splitter); frame.setVisible(true); // Sets the divider to the proper one, for debugging // splitter.setDividerLocation(.8); }