JHotDraw 7.4.1

org.jhotdraw.draw.handle
Class BezierControlPointHandle

java.lang.Object
  extended by org.jhotdraw.draw.handle.AbstractHandle
      extended by org.jhotdraw.draw.handle.BezierControlPointHandle
All Implemented Interfaces:
java.awt.event.KeyListener, java.util.EventListener, FigureListener, Handle

public class BezierControlPointHandle
extends AbstractHandle

A Handle which allows to interactively change a control point of a bezier path.

Version:
$Id: BezierControlPointHandle.java -1 $
Author:
Werner Randelshofer

Field Summary
protected  int controlPointIndex
           
protected  int index
           
 
Fields inherited from class org.jhotdraw.draw.handle.AbstractHandle
listenerList, view
 
Constructor Summary
BezierControlPointHandle(BezierFigure owner, int index, int coord)
          Creates a new instance.
BezierControlPointHandle(BezierFigure owner, int index, int coord, Figure transformOwner)
           
 
Method Summary
protected  java.awt.Rectangle basicGetBounds()
           
 void dispose()
          Disposes the resources aquired by the handler.
 void draw(java.awt.Graphics2D g)
          Draws this handle.
protected  BezierFigure getBezierFigure()
           
protected  BezierPath.Node getBezierNode()
           
protected  java.awt.Point getLocation()
           
 BezierFigure getOwner()
          Returns the owner of this handle.
 java.lang.String getToolTipText(java.awt.Point p)
          Returns a tooltip for the specified location.
protected  Figure getTransformOwner()
           
 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, drawCircle, drawDiamond, drawRectangle, figureAdded, figureChanged, figureHandlesChanged, figureRemoved, figureRequestRemove, fireAreaInvalidated, fireHandleRequestRemove, fireHandleRequestSecondaryHandles, fireUndoableEditHappened, getBounds, getCursor, getDrawingArea, getEditor, getHandlesize, 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
 

Field Detail

index

protected int index

controlPointIndex

protected int controlPointIndex
Constructor Detail

BezierControlPointHandle

public BezierControlPointHandle(BezierFigure owner,
                                int index,
                                int coord)
Creates a new instance.


BezierControlPointHandle

public BezierControlPointHandle(BezierFigure owner,
                                int index,
                                int coord,
                                Figure transformOwner)
Method Detail

dispose

public void dispose()
Description copied from interface: Handle
Disposes the resources aquired by the handler.

Specified by:
dispose in interface Handle
Overrides:
dispose in class AbstractHandle

getBezierFigure

protected BezierFigure getBezierFigure()

getTransformOwner

protected Figure getTransformOwner()

getLocation

protected java.awt.Point getLocation()

getBezierNode

protected BezierPath.Node getBezierNode()

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

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

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

getOwner

public BezierFigure getOwner()
Description copied from interface: Handle
Returns the owner of this handle.

Specified by:
getOwner in interface Handle
Overrides:
getOwner in class AbstractHandle

keyPressed

public void keyPressed(java.awt.event.KeyEvent evt)
Specified by:
keyPressed in interface java.awt.event.KeyListener
Overrides:
keyPressed in class AbstractHandle

Copyright 1996-2010 (c) by the authors and contributors of the JHotDraw project.
Some rights reserved.