Example usage for javax.swing.undo StateEdit StateEdit

Introduction

In this page you can find the example usage for javax.swing.undo StateEdit StateEdit.

Prototype

public StateEdit(StateEditable anObject) 

Source Link

Document

Create and return a new StateEdit.

Usage

From source file:UndoableDrawingPanel.java

public UndoableDrawingPanel() {
    MouseListener mouseListener = new MouseAdapter() {
        public void mouseReleased(MouseEvent mouseEvent) {
            StateEdit stateEdit = new StateEdit(UndoableDrawingPanel.this);
            polygon.addPoint(mouseEvent.getX(), mouseEvent.getY());
            stateEdit.end();//from  w  ww  .ja va2s . co  m
            undoableEditSupport.postEdit(stateEdit);
            repaint();
        }
    };
    addMouseListener(mouseListener);
}

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From source file:UndoableDrawingPanel2.java

public UndoableDrawingPanel2() {
    MouseListener mouseListener = new MouseAdapter() {
        public void mouseReleased(MouseEvent mouseEvent) {
            StateEdit stateEdit = new StateEdit(UndoableDrawingPanel2.this);
            polygon.addPoint(mouseEvent.getX(), mouseEvent.getY());
            stateEdit.end();//www  . j a  va  2s .c o m
            undoableEditSupport.postEdit(stateEdit);
            repaint();
        }
    };
    addMouseListener(mouseListener);
}

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From source file:UndoableToggleApp4.java

public UndoableToggleApp4() {
    SimpleListener sl = new SimpleListener();
    tog.addActionListener(sl);/*  ww w  .j  a v a 2 s. c  om*/
    cb.addActionListener(sl);
    radio.addActionListener(sl);

    Box buttonBox = new Box(BoxLayout.Y_AXIS);
    buttonBox.add(tog);
    buttonBox.add(cb);
    buttonBox.add(radio);

    startButton.setEnabled(true);
    endButton.setEnabled(false);
    undoButton.setEnabled(false);
    redoButton.setEnabled(false);

    startButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent ev) {
            edit = new StateEdit(UndoableToggleApp4.this);
            startButton.setEnabled(false);
            endButton.setEnabled(true);
            // undoButton.setEnabled(edit.canUndo());
            //
            // NOTE: We really don't want to be able to undo until end() is pressed,
            // but StateEdit does not enforce this for us!
            undoButton.setEnabled(false);
            redoButton.setEnabled(edit.canRedo());
        }
    });

    endButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent ev) {
            edit.end();
            startButton.setEnabled(true);
            endButton.setEnabled(false);
            undoButton.setEnabled(edit.canUndo());
            redoButton.setEnabled(edit.canRedo());
        }
    });

    // Add a listener to the undo button. It attempts to call undo() on the
    // current edit, then enables/disables the undo/redo buttons as appropriate.
    undoButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent ev) {
            try {
                edit.undo();
            } catch (CannotUndoException ex) {
                ex.printStackTrace();
            } finally {
                undoButton.setEnabled(edit.canUndo());
                redoButton.setEnabled(edit.canRedo());
            }
        }
    });

    redoButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent ev) {
            try {
                edit.redo();
            } catch (CannotRedoException ex) {
                ex.printStackTrace();
            } finally {
                undoButton.setEnabled(edit.canUndo());
                redoButton.setEnabled(edit.canRedo());
            }
        }
    });

    // Lay out the state/end and undo/redo buttons.
    Box undoRedoBox = new Box(BoxLayout.X_AXIS);
    undoRedoBox.add(Box.createGlue());
    undoRedoBox.add(startButton);
    undoRedoBox.add(Box.createHorizontalStrut(2));
    undoRedoBox.add(endButton);
    undoRedoBox.add(Box.createHorizontalStrut(2));
    undoRedoBox.add(undoButton);
    undoRedoBox.add(Box.createHorizontalStrut(2));
    undoRedoBox.add(redoButton);
    undoRedoBox.add(Box.createGlue());

    // Lay out the main frame.
    Container content = getContentPane();
    content.setLayout(new BorderLayout());
    content.add(buttonBox, BorderLayout.CENTER);
    content.add(undoRedoBox, BorderLayout.SOUTH);
    setSize(400, 150);
}

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From source file:UndoableToggleApp4.java

public UndoableToggleApp4() {

    // Create some toggle buttons (and subclasses).
    tog = new JToggleButton("ToggleButton");
    cb = new JCheckBox("CheckBox");
    radio = new JRadioButton("RadioButton");

    // Add our listener to the buttons.
    SimpleListener sl = new SimpleListener();
    tog.addActionListener(sl);//from  w w w. ja  va  2s  . co  m
    cb.addActionListener(sl);
    radio.addActionListener(sl);

    // Lay out the buttons.
    Box buttonBox = new Box(BoxLayout.Y_AXIS);
    buttonBox.add(tog);
    buttonBox.add(cb);
    buttonBox.add(radio);

    // Create undo, redo, start, and end buttons.
    startButton = new JButton("Start");
    endButton = new JButton("End");
    undoButton = new JButton("Undo");
    redoButton = new JButton("Redo");
    startButton.setEnabled(true);
    endButton.setEnabled(false);
    undoButton.setEnabled(false);
    redoButton.setEnabled(false);

    // Add a listener to the start button. It creates a new StateEdit,
    // passing in this frame as the StateEditable.
    startButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent ev) {
            edit = new StateEdit(UndoableToggleApp4.this);
            startButton.setEnabled(false);
            endButton.setEnabled(true);
            //undoButton.setEnabled(edit.canUndo());
            //
            // NOTE: We really don't want to be able to undo until end() is
            // pressed,
            // but StateEdit does not enforce this for us!
            undoButton.setEnabled(false);
            redoButton.setEnabled(edit.canRedo());
        }
    });

    // Add a listener to the end button. It will call end() on the
    // StateEdit.
    endButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent ev) {
            edit.end();
            startButton.setEnabled(true);
            endButton.setEnabled(false);
            undoButton.setEnabled(edit.canUndo());
            redoButton.setEnabled(edit.canRedo());
        }
    });

    // Add a listener to the undo button. It attempts to call undo() on the
    // current edit, then enables/disables the undo/redo buttons as
    // appropriate.
    undoButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent ev) {
            try {
                edit.undo();
            } catch (CannotUndoException ex) {
                ex.printStackTrace();
            } finally {
                undoButton.setEnabled(edit.canUndo());
                redoButton.setEnabled(edit.canRedo());
            }
        }
    });

    // Add a redo listener: just like the undo listener.
    redoButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent ev) {
            try {
                edit.redo();
            } catch (CannotRedoException ex) {
                ex.printStackTrace();
            } finally {
                undoButton.setEnabled(edit.canUndo());
                redoButton.setEnabled(edit.canRedo());
            }
        }
    });

    // Lay out the state/end and undo/redo buttons.
    Box undoRedoBox = new Box(BoxLayout.X_AXIS);
    undoRedoBox.add(Box.createGlue());
    undoRedoBox.add(startButton);
    undoRedoBox.add(Box.createHorizontalStrut(2));
    undoRedoBox.add(endButton);
    undoRedoBox.add(Box.createHorizontalStrut(2));
    undoRedoBox.add(undoButton);
    undoRedoBox.add(Box.createHorizontalStrut(2));
    undoRedoBox.add(redoButton);
    undoRedoBox.add(Box.createGlue());

    // Lay out the main frame.
    Container content = getContentPane();
    content.setLayout(new BorderLayout());
    content.add(buttonBox, BorderLayout.CENTER);
    content.add(undoRedoBox, BorderLayout.SOUTH);
    setSize(400, 150);
}

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