CH.ifa.draw.standard

Class ChangeConnectionHandle

java.lang.Object

CH.ifa.draw.standard.AbstractHandle

CH.ifa.draw.standard.ChangeConnectionHandle

All Implemented Interfaces:

Handle

Direct Known Subclasses:

ChangeConnectionEndHandle, ChangeConnectionStartHandle

public abstract class ChangeConnectionHandle
extends AbstractHandle

ChangeConnectionHandle factors the common code for handles that can be used to reconnect connections.

See Also:

ChangeConnectionEndHandle, ChangeConnectionStartHandle

Field Summary

Fields inherited from class CH.ifa.draw.standard.AbstractHandle

HANDLESIZE

Method Summary

Modifier and Type	Method and Description
void	draw(java.awt.Graphics g) Draws this handle.
void	invokeEnd(int x, int y, int anchorX, int anchorY, DrawingView view) Connects the figure to the new target.
void	invokeStart(int x, int y, DrawingView view) Disconnects the connection.
void	invokeStep(int x, int y, int anchorX, int anchorY, DrawingView view) Finds a new target of the connection.

Methods inherited from class CH.ifa.draw.standard.AbstractHandle

containsPoint, displayBox, invokeEnd, invokeStart, invokeStep, locate, owner

Methods inherited from class java.lang.Object

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

Method Detail

invokeStart

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

Disconnects the connection.

Specified by:

invokeStart in interface Handle

Overrides:

invokeStart in class AbstractHandle

Parameters:

x - the x position where the interaction started

y - the y position where the interaction started

view - the handles container

invokeStep

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

Finds a new target of the connection.

Specified by:

invokeStep in interface Handle

Overrides:

invokeStep in class AbstractHandle

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

invokeEnd

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

Connects the figure to the new target. If there is no new target the connection reverts to its original one.

Specified by:

invokeEnd in interface Handle

Overrides:

invokeEnd in class AbstractHandle

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

draw

public void draw(java.awt.Graphics g)

Draws this handle.

Specified by:

draw in interface Handle

Overrides:

draw in class AbstractHandle