org.jgraph.graph
Class VertexView.SizeHandle

java.lang.Object
  org.jgraph.graph.VertexView.SizeHandle

All Implemented Interfaces:

Serializable, CellHandle

Enclosing class:

VertexView

public class VertexView.SizeHandle
extends Object
implements CellHandle, Serializable

See Also:

Serialized Form

Field Summary

protected Rectangle	cachedBounds
protected GraphContext	context
protected CellView[]	contextViews
int[]	cursors Array that holds the cursors for the different control points.
protected boolean	firstDrag
protected boolean	firstOverlayInvocation
protected JGraph	graph
protected int	index
protected Rectangle	initialBounds
protected Graphics	offgraphics
protected Image	offscreen
protected CellView[]	portViews
protected Rectangle[]	r
protected VertexView	vertex

Constructor Summary

VertexView.SizeHandle(VertexView vertexview, GraphContext ctx)

Method Summary

protected Rectangle	computeBounds(MouseEvent event)
protected void	initOffscreen()
void	mouseDragged(MouseEvent event) Process mouse dragged event.
void	mouseMoved(MouseEvent event) Invoked when the mouse pointer has been moved on a component (with no buttons down).
void	mousePressed(MouseEvent event) Process mouse pressed event.
void	mouseReleased(MouseEvent e) Messaged when the drag operation has terminated with a drop.
void	overlay(Graphics g) Paint the handle on the given graphics object during mouse operations.
void	paint(Graphics g) Paint the handle on the given graphics object once.

Methods inherited from class java.lang.Object

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

Field Detail

offscreen

protected transient Image offscreen

offgraphics

protected transient Graphics offgraphics

firstDrag

protected transient boolean firstDrag

graph

protected transient JGraph graph

vertex

protected transient VertexView vertex

portViews

protected transient CellView[] portViews

cachedBounds

protected transient Rectangle cachedBounds

context

protected transient GraphContext context

initialBounds

protected transient Rectangle initialBounds

contextViews

protected transient CellView[] contextViews

index

protected transient int index

r

protected transient Rectangle[] r

firstOverlayInvocation

protected boolean firstOverlayInvocation

cursors

public transient int[] cursors

Array that holds the cursors for the different control points.

Constructor Detail

VertexView.SizeHandle

public VertexView.SizeHandle(VertexView vertexview,
                             GraphContext ctx)

Method Detail

paint

public void paint(Graphics g)

Description copied from interface: CellHandle

Paint the handle on the given graphics object once.

Specified by:

paint in interface CellHandle

Parameters:

g - the graphics object to paint the handle on

initOffscreen

protected void initOffscreen()

overlay

public void overlay(Graphics g)

Description copied from interface: CellHandle

Paint the handle on the given graphics object during mouse operations.

Specified by:

overlay in interface CellHandle

Parameters:

g - the graphics object to paint the handle on

mouseMoved

public void mouseMoved(MouseEvent event)

Invoked when the mouse pointer has been moved on a component (with no buttons down).

Specified by:

mouseMoved in interface CellHandle

Parameters:

event - the point for which the cursor is returned

mousePressed

public void mousePressed(MouseEvent event)

Process mouse pressed event.

Specified by:

mousePressed in interface CellHandle

Parameters:

event - the drag gesture event to be processed

mouseDragged

public void mouseDragged(MouseEvent event)

Process mouse dragged event.

Specified by:

mouseDragged in interface CellHandle

Parameters:

event - the drag event to be processed

computeBounds

protected Rectangle computeBounds(MouseEvent event)

mouseReleased

public void mouseReleased(MouseEvent e)

Description copied from interface: CellHandle

Messaged when the drag operation has terminated with a drop.

Specified by:

mouseReleased in interface CellHandle

Parameters:

e - the drop event to be processed