org.jhotdraw.draw
Class HandleTracker

java.lang.Object
  org.jhotdraw.beans.AbstractBean
      org.jhotdraw.draw.AbstractTool
          org.jhotdraw.draw.HandleTracker

All Implemented Interfaces:

java.awt.event.KeyListener, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, Tool

public class HandleTracker
extends AbstractTool

HandleTracker implements interactions with the handles of a Figure.

The HandleTracker handles one of the three states of the SelectionTool. Iz comes into action, when the user presses the mouse button over a Figure.

Version:

1.0 2003-12-01 Derived from JHotDraw 5.4b1.

Author:

Werner Randelshofer

See Also:

SelectionTool, Serialized Form

Field Summary

Fields inherited from class org.jhotdraw.draw.AbstractTool

editor, isWorking, listenerList

Fields inherited from class org.jhotdraw.beans.AbstractBean

propertySupport

Constructor Summary

HandleTracker(Handle handle)
Creates a new instance.

HandleTracker(Handle master, java.util.Collection<Handle> handles)

Method Summary

void	activate(DrawingEditor editor) Activates the tool for the given editor.
void	deactivate(DrawingEditor editor) Deactivates the tool.
void	keyPressed(java.awt.event.KeyEvent evt) The Tool uses the InputMap to determine what to do, when a key is pressed.
void	keyReleased(java.awt.event.KeyEvent evt)
void	keyTyped(java.awt.event.KeyEvent evt)
void	mouseClicked(java.awt.event.MouseEvent evt)
void	mouseDragged(java.awt.event.MouseEvent evt)
void	mouseEntered(java.awt.event.MouseEvent evt)
void	mouseExited(java.awt.event.MouseEvent evt)
void	mouseMoved(java.awt.event.MouseEvent evt)
void	mousePressed(java.awt.event.MouseEvent evt)
void	mouseReleased(java.awt.event.MouseEvent evt)

Methods inherited from class org.jhotdraw.draw.AbstractTool

addToolListener, addUndoableEditListener, constrainPoint, constrainPoint, createActionMap, createInputMap, draw, editCopy, editCut, editDelete, editDuplicate, editPaste, fireAreaInvalidated, fireAreaInvalidated, fireToolDone, fireToolStarted, getActionMap, getDrawing, getEditor, getInputMap, getView, isActive, removeToolListener, removeUndoableEditListener, setActionMap, setInputMap, updateCursor, viewToDrawing

Methods inherited from class org.jhotdraw.beans.AbstractBean

addPropertyChangeListener, addPropertyChangeListener, clone, firePropertyChange, firePropertyChange, firePropertyChange, removePropertyChangeListener, removePropertyChangeListener

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HandleTracker

public HandleTracker(Handle handle)

Creates a new instance.

HandleTracker

public HandleTracker(Handle master,
                     java.util.Collection<Handle> handles)

Method Detail

activate

public void activate(DrawingEditor editor)

Description copied from interface: Tool

Activates the tool for the given editor. This method is called whenever the user switches to this tool.

Specified by:

activate in interface Tool

Overrides:

activate in class AbstractTool

deactivate

public void deactivate(DrawingEditor editor)

Description copied from interface: Tool

Deactivates the tool. This method is called whenever the user switches to another tool.

Specified by:

deactivate in interface Tool

Overrides:

deactivate in class AbstractTool

keyPressed

public void keyPressed(java.awt.event.KeyEvent evt)

Description copied from class: AbstractTool

The Tool uses the InputMap to determine what to do, when a key is pressed. If the corresponding value of the InputMap is a String, the ActionMap of the tool is used, to find the action to be performed. If the corresponding value of the InputMap is a ActionListener, the actionPerformed method of the ActionListener is performed.

Specified by:

keyPressed in interface java.awt.event.KeyListener

Overrides:

keyPressed in class AbstractTool

keyReleased

public void keyReleased(java.awt.event.KeyEvent evt)

Specified by:

keyReleased in interface java.awt.event.KeyListener

Overrides:

keyReleased in class AbstractTool

keyTyped

public void keyTyped(java.awt.event.KeyEvent evt)

Specified by:

keyTyped in interface java.awt.event.KeyListener

Overrides:

keyTyped in class AbstractTool

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent evt)

Specified by:

mouseClicked in interface java.awt.event.MouseListener

Overrides:

mouseClicked in class AbstractTool

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent evt)

mouseEntered

public void mouseEntered(java.awt.event.MouseEvent evt)

Specified by:

mouseEntered in interface java.awt.event.MouseListener

Overrides:

mouseEntered in class AbstractTool

mouseExited

public void mouseExited(java.awt.event.MouseEvent evt)

Specified by:

mouseExited in interface java.awt.event.MouseListener

Overrides:

mouseExited in class AbstractTool

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent evt)

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

Overrides:

mouseMoved in class AbstractTool

mousePressed

public void mousePressed(java.awt.event.MouseEvent evt)

Specified by:

mousePressed in interface java.awt.event.MouseListener

Overrides:

mousePressed in class AbstractTool

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent evt)

Specified by:

mouseReleased in interface java.awt.event.MouseListener

Overrides:

mouseReleased in class AbstractTool