org.jhotdraw.draw.handle

Class ConnectorHandle

java.lang.Object

org.jhotdraw.draw.handle.AbstractHandle

org.jhotdraw.draw.handle.ConnectorHandle

All Implemented Interfaces:

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

public class ConnectorHandle
extends AbstractHandle

A Handle associated to a Connector which allows to create a new ConnectionFigure by dragging the handle to another connector.

Constructor Summary

Constructors

Constructor and Description
ConnectorHandle(Connector connector, ConnectionFigure prototype) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
void	draw(java.awt.Graphics2D g) Draws this handle.
java.awt.Rectangle	getDrawingArea() Returns the drawing area of the handle.
java.awt.Point	getLocation()
java.awt.geom.Point2D.Double	getLocationOnDrawing()
boolean	isCombinableWith(Handle handle) Returns true, if the given handle is an instance of the same class or of a subclass of this handle,.
void	repaintConnectors() Updates the list of connectors that we draw when the user moves or drags the mouse over a figure to which can connect.
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, figureAdded, figureChanged, figureHandlesChanged, figureRemoved, figureRequestRemove, getBounds, getCursor, getEditor, getOwner, getToolTipText, getView, invalidate, keyPressed, keyReleased, keyTyped, removeHandleListener, setToolTipText, setView, trackDoubleClick, viewTransformChanged

Methods inherited from class java.lang.Object

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

Constructor Detail

ConnectorHandle

public ConnectorHandle(Connector connector,
                       ConnectionFigure prototype)

Creates a new instance.

Method Detail

getLocationOnDrawing

public java.awt.geom.Point2D.Double getLocationOnDrawing()

getLocation

public java.awt.Point getLocation()

draw

public void draw(java.awt.Graphics2D g)

Description copied from class: AbstractHandle

Draws this handle.

Specified by:

draw in interface Handle

Overrides:

draw 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

getDrawingArea

public java.awt.Rectangle getDrawingArea()

Description copied from interface: Handle

Returns the drawing area of the handle. Note: The drawing area must be returned in the coordinate system of the DrawingView.

Specified by:

getDrawingArea in interface Handle

Overrides:

getDrawingArea in class AbstractHandle

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 handle)

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

repaintConnectors

public void repaintConnectors()

Updates the list of connectors that we draw when the user moves or drags the mouse over a figure to which can connect.