org.jhotdraw.util
Class UndoableHandle

java.lang.Object
  org.jhotdraw.util.UndoableHandle

All Implemented Interfaces:

Handle

public class UndoableHandle
extends java.lang.Object
implements Handle

Version:

<$CURRENT_VERSION$>

Author:

Wolfram Kaiser

Field Summary

private DrawingView	myDrawingView
private Handle	myWrappedHandle

Fields inherited from interface org.jhotdraw.draw.Handle

HANDLESIZE

Constructor Summary

UndoableHandle(Handle newWrappedHandle)
Constructor for UndoableHandle.

UndoableHandle(Handle newWrappedHandle, DrawingView newDrawingView)
Deprecated. use the constructor without the DrawingView instead

Method Summary

boolean	containsPoint(int x, int y) Tests if a point is contained in the handle.
java.awt.Rectangle	displayBox() Gets the display box of the handle.
void	draw(java.awt.Graphics g) Draws this handle.
Cursor	getCursor() Returns the preferred Cursor for this Handle.
DrawingView	getDrawingView() Deprecated. attribute not required anymore
Undoable	getUndoActivity() Returns an Undoable to be used by the Undo/Redo infrastructure.
protected Handle	getWrappedHandle()
void	invokeEnd(int dx, int dy, Drawing drawing) Deprecated. As of version 4.1, use invokeEnd(x, y, anchorX, anchorY, drawingView).
void	invokeEnd(int x, int y, int anchorX, int anchorY, DrawingView view) Tracks the end of the interaction.
void	invokeStart(int x, int y, Drawing drawing) Deprecated. As of version 4.1, use invokeStart(x, y, drawingView)
void	invokeStart(int x, int y, DrawingView view) Tracks the start of the interaction.
void	invokeStep(int dx, int dy, Drawing drawing) Deprecated. As of version 4.1, use invokeStep(x, y, anchorX, anchorY, drawingView)
void	invokeStep(int x, int y, int anchorX, int anchorY, DrawingView view) Tracks a step of the interaction.
java.awt.Point	locate() Locates the handle on the figure.
Figure	owner() Gets the handle's owner.
protected void	setDrawingView(DrawingView newDrawingView) Deprecated. attribute not required anymore
void	setUndoActivity(Undoable newUndoableActivity) Sets an Undoable to be used by the Undo/Redo infrastructure.
protected void	setWrappedHandle(Handle newWrappedHandle)

Methods inherited from class java.lang.Object

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

Field Detail

myWrappedHandle

private Handle myWrappedHandle

myDrawingView

private DrawingView myDrawingView

Constructor Detail

UndoableHandle

public UndoableHandle(Handle newWrappedHandle)

Constructor for UndoableHandle.

Parameters:

newWrappedHandle -

UndoableHandle

public UndoableHandle(Handle newWrappedHandle,
                      DrawingView newDrawingView)

Deprecated. use the constructor without the DrawingView instead

Constructor for UndoableHandle.

Parameters:

newWrappedHandle -

newDrawingView -

Method Detail

locate

public java.awt.Point locate()

Locates the handle on the figure. The handle is drawn centered around the returned point.

Specified by:

locate in interface Handle

See Also:

Handle.locate()

invokeStart

public void invokeStart(int x,
                        int y,
                        DrawingView view)

Tracks the start of the interaction. The default implementation does nothing.

Specified by:

invokeStart in interface Handle

Parameters:

x - the x position where the interaction started

y - the y position where the interaction started

view - the handles container

See Also:

Handle.invokeStart(int, int, org.jhotdraw.draw.DrawingView)

invokeStart

public void invokeStart(int x,
                        int y,
                        Drawing drawing)

Deprecated. As of version 4.1, use invokeStart(x, y, drawingView)

Tracks the start of the interaction. The default implementation does nothing.

Specified by:

invokeStart in interface Handle

Parameters:

x - the x position where the interaction started

y - the y position where the interaction started

See Also:

Handle.invokeStart(int, int, org.jhotdraw.draw.Drawing)

invokeStep

public void invokeStep(int x,
                       int y,
                       int anchorX,
                       int anchorY,
                       DrawingView view)

Tracks a step of the interaction.

Specified by:

invokeStep in interface Handle

Parameters:

x - the current x position

y - the current y position

anchorX - the x position where the interaction started

anchorY - the y position where the interaction started

See Also:

Handle.invokeStep(int, int, int, int, org.jhotdraw.draw.DrawingView)

invokeStep

public void invokeStep(int dx,
                       int dy,
                       Drawing drawing)

Deprecated. As of version 4.1, use invokeStep(x, y, anchorX, anchorY, drawingView)

Tracks a step of the interaction.

Specified by:

invokeStep in interface Handle

Parameters:

dx - x delta of this step

dy - y delta of this step

See Also:

Handle.invokeStep(int, int, org.jhotdraw.draw.Drawing)

invokeEnd

public void invokeEnd(int x,
                      int y,
                      int anchorX,
                      int anchorY,
                      DrawingView view)

Tracks the end of the interaction.

Specified by:

invokeEnd in interface Handle

Parameters:

x - the current x position

y - the current y position

anchorX - the x position where the interaction started

anchorY - the y position where the interaction started

See Also:

Handle.invokeEnd(int, int, int, int, org.jhotdraw.draw.DrawingView)

invokeEnd

public void invokeEnd(int dx,
                      int dy,
                      Drawing drawing)

Deprecated. As of version 4.1, use invokeEnd(x, y, anchorX, anchorY, drawingView).

Tracks the end of the interaction.

Specified by:

invokeEnd in interface Handle

See Also:

Handle.invokeEnd(int, int, org.jhotdraw.draw.Drawing)

owner

public Figure owner()

Gets the handle's owner.

Specified by:

owner in interface Handle

See Also:

Handle.owner()

displayBox

public java.awt.Rectangle displayBox()

Gets the display box of the handle.

Specified by:

displayBox in interface Handle

See Also:

Handle.displayBox()

containsPoint

public boolean containsPoint(int x,
                             int y)

Tests if a point is contained in the handle.

Specified by:

containsPoint in interface Handle

See Also:

Handle.containsPoint(int, int)

draw

public void draw(java.awt.Graphics g)

Draws this handle.

Specified by:

draw in interface Handle

See Also:

Handle.draw(java.awt.Graphics)

setWrappedHandle

protected void setWrappedHandle(Handle newWrappedHandle)

getWrappedHandle

protected Handle getWrappedHandle()

getDrawingView

public DrawingView getDrawingView()

Deprecated. attribute not required anymore

setDrawingView

protected void setDrawingView(DrawingView newDrawingView)

Deprecated. attribute not required anymore

getUndoActivity

public Undoable getUndoActivity()

Description copied from interface: Handle

Returns an Undoable to be used by the Undo/Redo infrastructure.

Specified by:

getUndoActivity in interface Handle

Returns:

Undoable

See Also:

Handle.getUndoActivity()

setUndoActivity

public void setUndoActivity(Undoable newUndoableActivity)

Description copied from interface: Handle

Sets an Undoable to be used by the Undo/Redo infrastructure.

Specified by:

setUndoActivity in interface Handle

See Also:

Handle.setUndoActivity(org.jhotdraw.util.Undoable)

getCursor

public Cursor getCursor()

Description copied from interface: Handle

Returns the preferred Cursor for this Handle.

Specified by:

getCursor in interface Handle

Returns:

Cursor

See Also:

Handle.getCursor()