org.jhotdraw.draw.handle

Class AbstractRotateHandle

java.lang.Object

org.jhotdraw.draw.handle.AbstractHandle

org.jhotdraw.draw.handle.AbstractRotateHandle

All Implemented Interfaces:

java.awt.event.KeyListener, java.util.EventListener, FigureListener, Handle

Direct Known Subclasses:

RotateHandle

public abstract class AbstractRotateHandle
extends AbstractHandle

This abstract class can be extended to implement a Handle which can rotate a Figure.

Field Summary

Fields inherited from class org.jhotdraw.draw.handle.AbstractHandle

listenerList, view

Constructor Summary

Constructors

Constructor and Description
AbstractRotateHandle(Figure owner) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
protected java.awt.Rectangle	basicGetBounds()
void	draw(java.awt.Graphics2D g) Draws this handle.
protected abstract java.awt.geom.Point2D.Double	getCenter()
java.awt.Point	getLocation()
protected abstract java.awt.geom.Point2D.Double	getOrigin()
protected java.lang.Object	getRestoreData()
protected double	getStartTheta()
java.lang.String	getToolTipText(java.awt.Point p) Returns a tooltip for the specified location.
protected java.awt.geom.Rectangle2D.Double	getTransformedBounds()
boolean	isCombinableWith(Handle h) Returns true, if the given handle is an instance of the same class or of a subclass of this handle,.
void	keyPressed(java.awt.event.KeyEvent evt)
void	trackEnd(java.awt.Point anchor, java.awt.Point lead, int modifiersEx) Tracks the end of the interaction.
void	trackStart(java.awt.Point anchor, int modifiersEx) Tracks the start of the interaction.
void	trackStep(java.awt.Point anchor, java.awt.Point lead, int modifiersEx) Tracks a step of the interaction.

Methods inherited from class org.jhotdraw.draw.handle.AbstractHandle

addHandleListener, areaInvalidated, attributeChanged, contains, createSecondaryHandles, dispose, drawCircle, drawDiamond, drawRectangle, figureAdded, figureChanged, figureHandlesChanged, figureRemoved, figureRequestRemove, fireAreaInvalidated, fireHandleRequestRemove, fireHandleRequestSecondaryHandles, fireUndoableEditHappened, getBounds, getCursor, getDrawingArea, getEditor, getHandlesize, getOwner, getView, invalidate, keyReleased, keyTyped, removeHandleListener, setToolTipText, setView, trackDoubleClick, updateBounds, viewTransformChanged

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractRotateHandle

public AbstractRotateHandle(Figure owner)

Creates a new instance.

Method Detail

isCombinableWith

public boolean isCombinableWith(Handle h)

Description copied from class: AbstractHandle

Returns true, if the given handle is an instance of the same class or of a subclass of this handle,.

Specified by:

isCombinableWith in interface Handle

Overrides:

isCombinableWith in class AbstractHandle

getToolTipText

public java.lang.String getToolTipText(java.awt.Point p)

Description copied from class: AbstractHandle

Returns a tooltip for the specified location. By default, AbstractHandle returns null.

Specified by:

getToolTipText in interface Handle

Overrides:

getToolTipText in class AbstractHandle

draw

public void draw(java.awt.Graphics2D g)

Draws this handle.

Specified by:

draw in interface Handle

Overrides:

draw in class AbstractHandle

basicGetBounds

protected java.awt.Rectangle basicGetBounds()

Specified by:

basicGetBounds in class AbstractHandle

getLocation

public java.awt.Point getLocation()

getTransformedBounds

protected java.awt.geom.Rectangle2D.Double getTransformedBounds()

getRestoreData

protected java.lang.Object getRestoreData()

getStartTheta

protected double getStartTheta()

getOrigin

protected abstract java.awt.geom.Point2D.Double getOrigin()

getCenter

protected abstract java.awt.geom.Point2D.Double getCenter()

trackStart

public void trackStart(java.awt.Point anchor,
                       int modifiersEx)

Description copied from interface: Handle

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

Parameters:

anchor - the position where the interaction started

trackStep

public void trackStep(java.awt.Point anchor,
                      java.awt.Point lead,
                      int modifiersEx)

Description copied from interface: Handle

Tracks a step of the interaction.

Parameters:

anchor - the position where the interaction started

lead - the current position

trackEnd

public void trackEnd(java.awt.Point anchor,
                     java.awt.Point lead,
                     int modifiersEx)

Description copied from interface: Handle

Tracks the end of the interaction.

Parameters:

anchor - the position where the interaction started

lead - the current position

keyPressed

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

Specified by:

keyPressed in interface java.awt.event.KeyListener

Overrides:

keyPressed in class AbstractHandle