/**
  * This is the hook through which all menu items are created. It registers the result with the
  * menuitem hashtable so that it can be fetched with getMenuItem().
  *
  * @see #getMenuItem
  */
 protected JMenuItem createMenuItem(String cmd) {
   JMenuItem mi = new JMenuItem(getResourceString(cmd + labelSuffix));
   URL url = getResource(cmd + imageSuffix);
   if (url != null) {
     mi.setHorizontalTextPosition(JButton.RIGHT);
     mi.setIcon(new ImageIcon(url));
   }
   String astr = getResourceString(cmd + actionSuffix);
   if (astr == null) {
     astr = cmd;
   }
   mi.setActionCommand(astr);
   Action myaction = getAction(astr); // if this is a known action
   if (myaction != null) {
     mi.addActionListener(myaction);
     myaction.addPropertyChangeListener(createActionChangeListener(mi));
     // System.out.println("myaction not null: astr:"+astr+" enabled:"+myaction.isEnabled());
     mi.setEnabled(myaction.isEnabled());
   } else {
     System.err.println("Error:TextViewer: createMenuItem: myaction is null: astr:" + astr);
     // causes the item to be greyed out
     mi.setEnabled(false);
   }
   menuItems.put(cmd, mi);
   return mi;
 }
Exemple #2
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  private Action getAction(String name) {
    for (Action action : sourceArea.getActions()) {
      if (name.equals(action.getValue(Action.NAME).toString())) {
        return action;
      }
    }

    return null;
  }
 public void caretUpdate(CaretEvent e) {
   // when the cursor moves on _textView
   // this method will be called. Then, we
   // must determine what the line number is
   // and update the line number view
   Element root = textView.getDocument().getDefaultRootElement();
   int line = root.getElementIndex(e.getDot());
   root = root.getElement(line);
   int col = root.getElementIndex(e.getDot());
   lineNumberView.setText(line + ":" + col);
   // if text is selected then enable copy and cut
   boolean isSelection = e.getDot() != e.getMark();
   copyAction.setEnabled(isSelection);
   cutAction.setEnabled(isSelection);
 }
Exemple #4
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  public void redoAction() {
    try {
      if (undoMgr.canRedo()) {
        redoAction.actionPerformed(new ActionEvent(this, ActionEvent.ACTION_PERFORMED, "Redo"));

        setRedoItem();
      } else {
        java.awt.Toolkit.getDefaultToolkit().beep();
      }
    } catch (CannotUndoException ex) {
      ex.printStackTrace();
    }
  }
Exemple #5
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 public void selectLine() {
   Action selectLine = getAction(DefaultEditorKit.selectLineAction);
   if (selectLine != null) {
     selectLine.actionPerformed(null);
   }
 }
  public InterpreterFrame() {
    super("Simple Lisp Interpreter");

    // Create the menu
    menubar = buildMenuBar();
    setJMenuBar(menubar);
    // Create the toolbar
    toolbar = buildToolBar();
    // disable cut and copy actions
    cutAction.setEnabled(false);
    copyAction.setEnabled(false);
    // Setup text area for editing source code
    // and setup document listener so interpreter
    // is notified when current file modified and
    // when the cursor is moved.
    textView = buildEditor();
    textView.getDocument().addDocumentListener(this);
    textView.addCaretListener(this);

    // set default key bindings
    bindKeyToCommand("ctrl C", "(buffer-copy)");
    bindKeyToCommand("ctrl X", "(buffer-cut)");
    bindKeyToCommand("ctrl V", "(buffer-paste)");
    bindKeyToCommand("ctrl E", "(buffer-eval)");
    bindKeyToCommand("ctrl O", "(file-open)");
    bindKeyToCommand("ctrl S", "(file-save)");
    bindKeyToCommand("ctrl Q", "(exit)");

    // Give text view scrolling capability
    Border border =
        BorderFactory.createCompoundBorder(
            BorderFactory.createEmptyBorder(3, 3, 3, 3),
            BorderFactory.createLineBorder(Color.gray));
    JScrollPane topSplit = addScrollers(textView);
    topSplit.setBorder(border);

    // Create tabbed pane for console/problems
    consoleView = makeConsoleArea(10, 50, true);
    problemsView = makeConsoleArea(10, 50, false);
    tabbedPane = buildProblemsConsole();

    // Plug the editor and problems/console together
    // using a split pane. This allows one to change
    // their relative size using the split-bar in
    // between them.
    splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, topSplit, tabbedPane);

    // Create status bar
    statusView = new JLabel(" Status");
    lineNumberView = new JLabel("0:0");
    statusbar = buildStatusBar();

    // Now, create the outer panel which holds
    // everything together
    outerpanel = new JPanel();
    outerpanel.setLayout(new BorderLayout());
    outerpanel.add(toolbar, BorderLayout.PAGE_START);
    outerpanel.add(splitPane, BorderLayout.CENTER);
    outerpanel.add(statusbar, BorderLayout.SOUTH);
    getContentPane().add(outerpanel);

    // tell frame to fire a WindowsListener event
    // but not to close when "x" button clicked.
    setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
    addWindowListener(this);
    // set minimised icon to use
    setIconImage(makeImageIcon("spi.png").getImage());

    // setup additional internal functions
    InternalFunctions.setup_internals(interpreter, this);

    // set default window size
    Component top = splitPane.getTopComponent();
    Component bottom = splitPane.getBottomComponent();
    top.setPreferredSize(new Dimension(100, 400));
    bottom.setPreferredSize(new Dimension(100, 200));
    pack();

    // load + run user configuration file (if there is one)
    String homedir = System.getProperty("user.home");
    try {
      interpreter.load(homedir + "/.simplelisp");
    } catch (FileNotFoundException e) {
      // do nothing if file does not exist!
      System.out.println("Didn't find \"" + homedir + "/.simplelisp\"");
    }

    textView.grabFocus();
    setVisible(true);

    // redirect all I/O to problems/console
    redirectIO();

    // start highlighter thread
    highlighter = new DisplayThread(250);
    highlighter.setDaemon(true);
    highlighter.start();
  }
 @Override
 public void show(Component c, int x, int y) {
   int[] l = table.getSelectedRows();
   deleteAction.setEnabled(l.length > 0);
   super.show(c, x, y);
 }
  // ------------------------------------------------------------------------
  TextViewer(JFrame inParentFrame) {
    // super(true); //is double buffered - only for panels

    textViewerFrame = this;
    parentFrame = inParentFrame;
    lastViewedDirStr = "";
    lastViewedFileStr = "";

    setTitle(resources.getString("Title"));
    addWindowListener(new AppCloser());
    pack();
    setSize(500, 600);

    warningPopup = new WarningDialog(this);
    okCancelPopup = new WarningDialogOkCancel(this);
    messagePopup = new MessageDialog(this);
    okCancelMessagePopup = new MessageDialogOkCancel(this);

    // Force SwingSet to come up in the Cross Platform L&F
    try {
      UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
      // If you want the System L&F instead, comment out the above line and
      // uncomment the following:
      // UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
    } catch (Exception exc) {
      String errstr = "TextViewer:Error loading L&F: " + exc;
      warningPopup.display(errstr);
    }

    Container cf = getContentPane();
    cf.setBackground(Color.lightGray);
    // Border etched=BorderFactory.createEtchedBorder();
    // Border title=BorderFactory.createTitledBorder(etched,"TextViewer");
    // cf.setBorder(title);
    cf.setLayout(new BorderLayout());

    // create the embedded JTextComponent
    editor1 = createEditor();
    editor1.setFont(new Font("monospaced", Font.PLAIN, 12));
    // aa -added next line
    setPlainDocument((PlainDocument) editor1.getDocument()); // sets doc1

    // install the command table
    commands = new Hashtable();
    Action[] actions = getActions();
    for (int i = 0; i < actions.length; i++) {
      Action a = actions[i];
      commands.put(a.getValue(Action.NAME), a);
      // System.out.println("Debug:TextViewer: actionName:"+a.getValue(Action.NAME));
    }
    // editor1.setPreferredSize(new Dimension(,));
    // get setting from user preferences
    if (UserPref.keymapType.equals("Word")) {
      editor1 = updateKeymapForWord(editor1);
    } else {
      editor1 = updateKeymapForEmacs(editor1);
    }

    scroller1 = new JScrollPane();
    viewport1 = scroller1.getViewport();
    viewport1.add(editor1);
    scroller1.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
    scroller1.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);

    try {
      String vpFlag = resources.getString("ViewportBackingStore");
      Boolean bs = new Boolean(vpFlag);
      viewport1.setBackingStoreEnabled(bs.booleanValue());
    } catch (MissingResourceException mre) {
      System.err.println("TextViewer:missing resource:" + mre.getMessage());
      // just use the viewport1 default
    }

    menuItems = new Hashtable();

    menubar = createMenubar();

    lowerPanel = new JPanel(true); // moved double buffering to here
    lowerPanel.setLayout(new BorderLayout());
    lowerPanel.add("North", createToolbar());
    lowerPanel.add("Center", scroller1);

    cf.add("North", menubar);
    cf.add("Center", lowerPanel);
    cf.add("South", createStatusbar());

    // for the find/search utilities
    mySearchDialog = new SearchDialog(this);

    // System.out.println("Debug:TextViewer: end of TextViewer constructor");

  }