[Xdoclet-devel] CVS update: xdocletgui/src/java/xdocletgui/swing/editor CommentaryEditorPanel.java

[Konstantin Pribluda]

  User: ko5tik  
  Date: 02/04/07 10:02:28

  Modified:    src/java/xdocletgui/swing/editor CommentaryEditorPanel.java
  Log:
  comment editor even cooler. undo & redo work
  
  Revision  Changes    Path
  1.3       +62 -1     
xdocletgui/src/java/xdocletgui/swing/editor/CommentaryEditorPanel.java
  
  Index: CommentaryEditorPanel.java
  ===================================================================
  RCS file: 
/cvsroot/xdoclet/xdocletgui/src/java/xdocletgui/swing/editor/CommentaryEditorPanel.java,v
  retrieving revision 1.2
  retrieving revision 1.3
  diff -u -w -r1.2 -r1.3
  --- CommentaryEditorPanel.java        7 Apr 2002 16:15:55 -0000       1.2
  +++ CommentaryEditorPanel.java        7 Apr 2002 17:02:27 -0000       1.3
  @@ -38,6 +38,7 @@
   import javax.swing.*;
   import javax.swing.text.*;
   import javax.swing.event.*;
  +import javax.swing.undo.*;
   import java.awt.*;
   import java.awt.event.*;
   
  @@ -54,6 +55,10 @@
   public class CommentaryEditorPanel extends JPanel implements DocumentListener {
   
        /**
  +      * undo manager for our text panel
  +      */
  +     UndoManager _undo;
  +     /**
         * XDoc we are editing
         */
        XDoc _xdoc;
  @@ -79,6 +84,25 @@
        JButton _cancelButton;
   
        /**
  +      * pointer to undo button
  +      */
  +     JButton _undoButton;
  +     /**
  +      * pointer to redo button
  +      */
  +     JButton _redoButton;
  +
  +     /**
  +      * string for undo button
  +      */
  +     final static String BUTTON_UNDO = "Undo";
  +
  +     /**
  +      * string for redo button
  +      */
  +     final static String BUTTON_REDO = "Redo";
  +
  +     /**
         * string for Set button
         */
        final static String BUTTON_SET = "Set";
  @@ -102,10 +126,12 @@
                super(new BorderLayout());
                setBorder(BorderFactory.createTitledBorder("Program element 
description"));
   
  +             _undo = new UndoManager();
                _description = new JLabel();
                add(_description, BorderLayout.NORTH);
                _docText = new JTextArea();
                _docText.getDocument().addDocumentListener(this);
  +             _docText.getDocument().addUndoableEditListener(_undo);
                JScrollPane _scp = new JScrollPane(_docText);
   
                add(_scp, BorderLayout.CENTER);
  @@ -131,7 +157,36 @@
                                }
                        });
   
  +             _undoButton = new JButton(BUTTON_UNDO);
  +
  +             _undoButton.addActionListener(
  +                     new ActionListener() {
  +                             public void actionPerformed(ActionEvent e) {
  +                                     if (_undo.canUndo()) {
  +                                             _undo.undo();
  +                                             enableButtons(true);
  +                                     }
  +                             }
  +                     });
  +
  +             _redoButton = new JButton(BUTTON_REDO);
  +
  +             _redoButton.addActionListener(
  +                     new ActionListener() {
  +                             public void actionPerformed(ActionEvent e) {
  +                                     if (_undo.canRedo()) {
  +                                             _undo.redo();
  +                                             enableButtons(true);
  +                                     }
  +                             }
  +                     });
  +
                buttonPanel.add(Box.createHorizontalGlue());
  +             buttonPanel.add(_undoButton);
  +             buttonPanel.add(Box.createRigidArea(new Dimension(10, 0)));
  +             buttonPanel.add(_redoButton);
  +             buttonPanel.add(Box.createRigidArea(new Dimension(50, 0)));
  +
                buttonPanel.add(_cancelButton);
                buttonPanel.add(Box.createRigidArea(new Dimension(10, 0)));
                buttonPanel.add(_setButton);
  @@ -189,7 +244,7 @@
   
   
        /**
  -      * enable buttons
  +      * change button status. also change status of undo & redo buttons
         *
         * @param enable Describe what the parameter does
         * @todo-javadoc Write javadocs for method parameter
  @@ -198,6 +253,10 @@
        void enableButtons(boolean enable) {
                _cancelButton.setEnabled(enable);
                _setButton.setEnabled(enable);
  +
  +             _undoButton.setEnabled(_undo.canUndo());
  +             _redoButton.setEnabled(_undo.canRedo());
  +
        }
   
   
  @@ -206,6 +265,7 @@
         */
        private void save() {
                _xdoc.setCommentText(_docText.getText());
  +             _undo.discardAllEdits();
                enableButtons(false);
        }
   
  @@ -215,6 +275,7 @@
         */
        private void revert() {
                _docText.setText(_xdoc.commentText());
  +             _undo.discardAllEdits();
                enableButtons(false);
        }
   }
  
  
  

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