示例#1
0
 /**
  * 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;
 }
 private void addButton(JPanel container, Action action, Hashtable actions, Icon icon) {
   String actionName = (String) action.getValue(Action.NAME);
   String actionCommand = (String) action.getValue(Action.ACTION_COMMAND_KEY);
   JButton button = new JButton(icon);
   button.setActionCommand(actionCommand);
   button.addActionListener(DeepaMehtaClientUtils.getActionByName(actionName, actions));
   container.add(button);
   toolbarButtons[buttonIndex++] = button;
 }
示例#3
0
 @Override
 public void show(Component c, int x, int y) {
   if (c instanceof JTextComponent) {
     JTextComponent textArea = (JTextComponent) c;
     boolean flg = Objects.nonNull(textArea.getSelectedText());
     cutAction.setEnabled(flg);
     copyAction.setEnabled(flg);
     deleteAction.setEnabled(flg);
     super.show(c, x, y);
   }
 }
示例#4
0
 /** Configures a JCheckBoxMenuItem for an Action. */
 public static void configureJCheckBoxMenuItem(final JCheckBoxMenuItem mi, final Action a) {
   mi.setSelected((Boolean) a.getValue(Actions.SELECTED_KEY));
   PropertyChangeListener propertyHandler =
       new PropertyChangeListener() {
         public void propertyChange(PropertyChangeEvent evt) {
           if (evt.getPropertyName().equals(Actions.SELECTED_KEY)) {
             mi.setSelected((Boolean) a.getValue(Actions.SELECTED_KEY));
           }
         }
       };
   a.addPropertyChangeListener(propertyHandler);
   mi.putClientProperty("actionPropertyHandler", propertyHandler);
 }
示例#5
0
 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);
 }
示例#6
0
  @SuppressWarnings("OverridableMethodCallInConstructor")
  Notepad() {
    super(true);

    // Trying to set Nimbus look and feel
    try {
      for (LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) {
        if ("Nimbus".equals(info.getName())) {
          UIManager.setLookAndFeel(info.getClassName());
          break;
        }
      }
    } catch (Exception ignored) {
    }

    setBorder(BorderFactory.createEtchedBorder());
    setLayout(new BorderLayout());

    // create the embedded JTextComponent
    editor = createEditor();
    // Add this as a listener for undoable edits.
    editor.getDocument().addUndoableEditListener(undoHandler);

    // install the command table
    commands = new HashMap<Object, Action>();
    Action[] actions = getActions();
    for (Action a : actions) {
      commands.put(a.getValue(Action.NAME), a);
    }

    JScrollPane scroller = new JScrollPane();
    JViewport port = scroller.getViewport();
    port.add(editor);

    String vpFlag = getProperty("ViewportBackingStore");
    if (vpFlag != null) {
      Boolean bs = Boolean.valueOf(vpFlag);
      port.setScrollMode(bs ? JViewport.BACKINGSTORE_SCROLL_MODE : JViewport.BLIT_SCROLL_MODE);
    }

    JPanel panel = new JPanel();
    panel.setLayout(new BorderLayout());
    panel.add("North", createToolbar());
    panel.add("Center", scroller);
    add("Center", panel);
    add("South", createStatusbar());
  }
示例#7
0
 /** Unconfigures a JCheckBoxMenuItem for an Action. */
 public static void unconfigureJCheckBoxMenuItem(JCheckBoxMenuItem mi, Action a) {
   PropertyChangeListener propertyHandler =
       (PropertyChangeListener) mi.getClientProperty("actionPropertyHandler");
   if (propertyHandler != null) {
     a.removePropertyChangeListener(propertyHandler);
     mi.putClientProperty("actionPropertyHandler", null);
   }
 }
 /**
  * The disconnect method will stop the eventreplayer, and send null to the other peers, to stop
  * their reading from their streams. The GUI-menu is updated appropriately.
  */
 public void disconnect() {
   setTitle("Disconnected");
   active = false;
   if (connected == true) {
     er.stopStreamToQueue();
     ert.interrupt();
     setDocumentFilter(null);
     connected = false;
     setLocked(false);
   }
   deregisterOnPort();
   Disconnect.setEnabled(false);
   Connect.setEnabled(true);
   Listen.setEnabled(true);
   Save.setEnabled(true);
   SaveAs.setEnabled(true);
 }
示例#9
0
  /**
   * Mouse Listener methods.
   *
   * <p>spv
   */
  public void mouseTriggered(MouseEvent me) {
    if (me.isPopupTrigger()) {
      actionJumpToError.setEnabled(parseError != null && parseError.hasLineNumbers());
      ((GUIMultiModel) handler.getGUIPlugin()).doEnables();

      contextPopup.show(me.getComponent(), me.getX(), me.getY());
    }
  }
示例#10
0
  /**
   * Tests that the returned JButton of <code>createManualToolBarButton</code>: 1. Is disabled upon
   * return. 2. Inherits the tooltip of the Action parameter <code>a</code>.
   */
  public void testCreateManualToolBarButton() {
    final Action a =
        new AbstractAction("Test Action") {
          public void actionPerformed(ActionEvent ae) {}
        };

    a.putValue(Action.LONG_DESCRIPTION, "test tooltip");
    Utilities.invokeAndWait(
        new Runnable() {
          public void run() {
            _but = _frame._createManualToolBarButton(a);
          }
        });

    assertTrue("Returned JButton is enabled.", !_but.isEnabled());
    assertEquals("Tooltip text not set.", "test tooltip", _but.getToolTipText());
    _log.log("testCreateManualToobarButton completed");
  }
 private void saveFile(String fileName) {
   try {
     FileWriter w = new FileWriter(fileName);
     area1.write(w);
     w.close();
     currentFile = fileName;
     changed = false;
     Save.setEnabled(false);
   } catch (IOException e) {
   }
 }
示例#12
0
 /** This is the hook through which all menu items are created. */
 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 = getProperty(cmd + actionSuffix);
   if (astr == null) {
     astr = cmd;
   }
   mi.setActionCommand(astr);
   Action a = getAction(astr);
   if (a != null) {
     mi.addActionListener(a);
     a.addPropertyChangeListener(createActionChangeListener(mi));
     mi.setEnabled(a.isEnabled());
   } else {
     mi.setEnabled(false);
   }
   return mi;
 }
 private void saveFile(String fileName) {
   try {
     FileWriter w = new FileWriter(fileName);
     area.write(w);
     w.close();
     currentFile = fileName;
     setTitle(currentFile + " - CoreyTextEditor");
     changed = false;
     Save.setEnabled(false);
   } catch (IOException e) {
     // No handling done here
   }
 }
  // Add icons and friendly names to actions we care about.
  protected void makeActionsPretty() {
    Action a;
    a = textComp.getActionMap().get(DefaultEditorKit.cutAction);
    a.putValue(Action.SMALL_ICON, new ImageIcon("icons/cut.gif"));
    a.putValue(Action.NAME, "Cut");

    a = textComp.getActionMap().get(DefaultEditorKit.copyAction);
    a.putValue(Action.SMALL_ICON, new ImageIcon("icons/copy.gif"));
    a.putValue(Action.NAME, "Copy");

    a = textComp.getActionMap().get(DefaultEditorKit.pasteAction);
    a.putValue(Action.SMALL_ICON, new ImageIcon("icons/paste.gif"));
    a.putValue(Action.NAME, "Paste");

    a = textComp.getActionMap().get(DefaultEditorKit.selectAllAction);
    a.putValue(Action.NAME, "Select All");
  }
示例#15
0
  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();
  }
        public void actionPerformed(ActionEvent e) {
          saveOld();
          area1.setText("");
          resetArea2();
          try {
            clientSocket = new Socket(ipaddress.getText(), Integer.parseInt(portNumber.getText()));
            Random r = new Random();
            serverport = 10000 + r.nextInt(8999); // random port :D

            serverSocket = new ServerSocket(serverport);
            active = true;
            editor.setTitleToListen();

            connected = true;

            ObjectOutputStream output = new ObjectOutputStream(clientSocket.getOutputStream());
            ObjectInputStream input = new ObjectInputStream(clientSocket.getInputStream());
            output.writeObject(new JoinNetworkRequest(serverport));

            ConnectionData data = getConnectionData(clientSocket, input);

            lc = new LamportClock(data.getId());
            lc.setMaxTime(data.getTs());
            dec = new DocumentEventCapturer(lc, editor);
            er = new EventReplayer(editor, dec, lc);
            ert = new Thread(er);
            ert.start();

            Peer peer =
                new Peer(
                    editor,
                    er,
                    data.getHostId(),
                    clientSocket,
                    output,
                    input,
                    lc,
                    clientSocket.getInetAddress().getHostAddress(),
                    data.getPort());
            dec.addPeer(peer);
            Thread thread = new Thread(peer);
            thread.start();

            er.setAcknowledgements(data.getAcknowledgements());
            er.setEventHistory(data.getEventHistory());
            er.setCarets(data.getCarets());

            er.addCaretPos(lc.getID(), 0);

            for (PeerWrapper p : data.getPeers()) {
              Socket socket;
              try {
                socket = connectToPeer(p.getIP(), p.getPort());
                ObjectOutputStream outputStream = new ObjectOutputStream(socket.getOutputStream());
                ObjectInputStream inputStream = new ObjectInputStream(socket.getInputStream());
                outputStream.writeObject(
                    new NewPeerDataRequest(lc.getID(), serverSocket.getLocalPort(), 0));
                Peer newPeer =
                    new Peer(
                        editor,
                        er,
                        p.getId(),
                        socket,
                        outputStream,
                        inputStream,
                        lc,
                        p.getIP(),
                        p.getPort());
                dec.addPeer(newPeer);
                Thread t = new Thread(newPeer);
                t.start();
              } catch (IOException ex) {
                continue;
              }
            }

            Thread t1 =
                new Thread(
                    new Runnable() {

                      @Override
                      public void run() {
                        waitForConnection();
                      }
                    });
            t1.start();
            area1.setText(data.getTextField());
            area1.setCaretPosition(0);
            setDocumentFilter(dec);

            dec.sendObjectToAllPeers(new UnlockRequest(lc.getTimeStamp()));

            changed = false;
            Connect.setEnabled(false);
            Disconnect.setEnabled(true);
            Listen.setEnabled(false);
            Save.setEnabled(false);
            SaveAs.setEnabled(false);
          } catch (NumberFormatException | IOException e1) {
            setTitle("Unable to connect");
          }
        }
        public void actionPerformed(ActionEvent e) {
          saveOld();
          final InetAddress local;
          active = true;
          try {
            local = InetAddress.getLocalHost();
            Runnable server =
                new Runnable() {
                  public void run() {
                    serverport = Integer.parseInt(portNumber.getText());
                    int myID = getNewId();
                    registerOnPort();
                    editor.setTitleToListen();
                    clientSocket = waitForConnectionFromClient();
                    lc = new LamportClock(myID);
                    area1.setText("");
                    resetArea2();
                    if (clientSocket != null) {
                      listen = true;
                      connected = true;
                      dec = new DocumentEventCapturer(lc, editor);
                      setDocumentFilter(dec);
                      er = new EventReplayer(editor, dec, lc);
                      er.updateCaretPos(myID, 0);
                      ert = new Thread(er);
                      ert.start();

                      try {
                        ObjectOutputStream output =
                            new ObjectOutputStream(clientSocket.getOutputStream());
                        ObjectInputStream input =
                            new ObjectInputStream(clientSocket.getInputStream());
                        JoinNetworkRequest request = (JoinNetworkRequest) input.readObject();
                        int id = getNewId();
                        Peer peer =
                            new Peer(
                                editor,
                                er,
                                id,
                                clientSocket,
                                output,
                                input,
                                lc,
                                clientSocket.getInetAddress().getHostAddress(),
                                request.getPort());
                        ConnectionData cd =
                            new ConnectionData(
                                er.getEventHistory(),
                                er.getAcknowledgements(),
                                er.getCarets(),
                                id,
                                area1.getText(),
                                lc.getTimeStamp(),
                                lc.getID(),
                                dec.getPeers(),
                                serverSocket.getLocalPort());
                        dec.addPeer(peer);
                        er.addCaretPos(id, 0);
                        Thread t = new Thread(peer);
                        t.start();
                        peer.writeObjectToStream(cd);
                      } catch (IOException | ClassNotFoundException e) {
                        e.printStackTrace();
                      }
                    }
                    waitForConnection();
                  }
                };
            Thread serverThread = new Thread(server);
            serverThread.start();
          } catch (UnknownHostException e1) {
            e1.printStackTrace();
          }

          changed = false;
          Disconnect.setEnabled(true);
          Listen.setEnabled(false);
          Connect.setEnabled(false);
          Save.setEnabled(false);
          SaveAs.setEnabled(false);
        }
示例#18
0
  /** Helper method to initialize the actions used for the buttons. */
  private void initActions() {

    /*actionUndo = new AbstractAction() {
    	public void actionPerformed(ActionEvent ae) {
    		try {
    			// do redo
    			undoManager.undo();

    			// notify undo manager/toolbar of change
    			GUIPrism.getGUI().notifyEventListeners(
    					new GUIClipboardEvent(GUIClipboardEvent.UNDOMANAGER_CHANGE,
    							GUIPrism.getGUI().getFocussedPlugin().getFocussedComponent()));
    		} catch (CannotUndoException ex) {
    			//GUIPrism.getGUI().getMultiLogger().logMessage(PrismLogLevel.PRISM_ERROR, ex.getMessage());
    		}
    	}
    };
    actionUndo.putValue(Action.LONG_DESCRIPTION, "Undo the most recent action.");
    actionUndo.putValue(Action.NAME, "Undo");
    actionUndo.putValue(Action.SMALL_ICON, GUIPrism.getIconFromImage("smallUndo.png"));

    actionRedo = new AbstractAction() {
    	public void actionPerformed(ActionEvent ae) {
    		try {
    			// do redo
    			undoManager.redo();

    			// notify undo manager/toolbar of change
    			GUIPrism.getGUI().notifyEventListeners(
    					new GUIClipboardEvent(GUIClipboardEvent.UNDOMANAGER_CHANGE,
    							GUIPrism.getGUI().getFocussedPlugin().getFocussedComponent()));
    		} catch (CannotRedoException ex) {
    			//GUIPrism.getGUI().getMultiLogger().logMessage(PrismLogLevel.PRISM_ERROR, ex.getMessage());
    		}
    	}
    };


    actionRedo.putValue(Action.LONG_DESCRIPTION, "Redos the most recent undo");
    actionRedo.putValue(Action.NAME, "Redo");
    actionRedo.putValue(Action.SMALL_ICON, GUIPrism.getIconFromImage("smallRedo.png"));
    */
    actionJumpToError =
        new AbstractAction() {
          public void actionPerformed(ActionEvent ae) {
            jumpToError();
          }
        };

    actionJumpToError.putValue(Action.NAME, "Jump to error");
    actionJumpToError.putValue(Action.SMALL_ICON, GUIPrism.getIconFromImage("tinyError.png"));
    actionJumpToError.putValue(
        Action.ACCELERATOR_KEY,
        KeyStroke.getKeyStroke(
            KeyEvent.VK_E, Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()));

    // search and replace action
    actionSearch =
        new AbstractAction() {
          public void actionPerformed(ActionEvent ae) {
            /*
                		// System.out.println("search button pressed");
                		if (GUIMultiModelHandler.isDoingSearch()) {

            } else {
            	try {
            		GUIMultiModelHandler.setDoingSearch(true);
            		FindReplaceForm.launch(GUIPrism.getGUI().getMultiModel());
            	} catch (PluginNotFoundException pnfe) {
            		GUIPrism.getGUI().getMultiLogger().logMessage(prism.log.PrismLogLevel.PRISM_ERROR,
            				pnfe.getMessage());
            	}
            }
            */
          }
        };
    actionSearch.putValue(Action.LONG_DESCRIPTION, "Opens a find and replace dialog.");
    // actionSearch.putValue(Action.SMALL_ICON, GUIPrism.getIconFromImage("find.png"));
    actionSearch.putValue(Action.NAME, "Find/Replace");
    // actionSearch.putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_R,
    // Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()));

    insertDTMC =
        new AbstractAction() {
          public void actionPerformed(ActionEvent ae) {
            int caretPosition = editor.getCaretPosition();
            try {
              editor.getDocument().insertString(caretPosition, "dtmc", new SimpleAttributeSet());
            } catch (BadLocationException ble) {
              // todo log?
            }
          }
        };

    insertDTMC.putValue(
        Action.LONG_DESCRIPTION, "Marks this model as a \"Discrete-Time Markov Chain\"");
    // actionSearch.putValue(Action.SMALL_ICON, GUIPrism.getIconFromImage("find.png"));
    insertDTMC.putValue(Action.NAME, "Probabilistic (DTMC)");

    insertCTMC =
        new AbstractAction() {
          public void actionPerformed(ActionEvent ae) {
            int caretPosition = editor.getCaretPosition();
            try {
              editor.getDocument().insertString(caretPosition, "ctmc", new SimpleAttributeSet());
            } catch (BadLocationException ble) {
              // todo log?
            }
          }
        };

    insertCTMC.putValue(
        Action.LONG_DESCRIPTION, "Marks this model as a \"Continous-Time Markov Chain\"");
    // actionSearch.putValue(Action.SMALL_ICON, GUIPrism.getIconFromImage("find.png"));
    insertCTMC.putValue(Action.NAME, "Stochastic (CTMC)");

    insertMDP =
        new AbstractAction() {
          public void actionPerformed(ActionEvent ae) {
            int caretPosition = editor.getCaretPosition();
            try {
              editor.getDocument().insertString(caretPosition, "mdp", new SimpleAttributeSet());
            } catch (BadLocationException ble) {
              // todo log?
            }
          }
        };

    insertMDP.putValue(
        Action.LONG_DESCRIPTION, "Marks this model as a \"Markov Decision Process\"");
    // actionSearch.putValue(Action.SMALL_ICON, GUIPrism.getIconFromImage("find.png"));
    insertMDP.putValue(Action.NAME, "Non-deterministic (MDP)");
  }
示例#19
0
  // ------------------------------------------------------------------------
  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");

  }