uk.ac.kcl.cch.jb.pliny.commands
Class MoveLinkEndCommand

java.lang.Object
  org.eclipse.gef.commands.Command
      uk.ac.kcl.cch.jb.pliny.commands.MoveLinkEndCommand

public class MoveLinkEndCommand

extends org.eclipse.gef.commands.Command

changes either end (source or target) of a Link from one LinkableObject to another. At least one of setToEnd or setFromEnd must be used before the command is execuated to specify an end to change.

Author:

John Bradley

Constructor Summary

MoveLinkEndCommand(Link link)
creates an instance of this command, and provides the Link to which it is to apply.

Method Summary

void	execute()
LinkableObject	getFromEnd()
LinkableObject	getToEnd()
void	setFromEnd(LinkableObject object) specify the new source LinkableObject for the link.
void	setToEnd(LinkableObject object) specify the new target LinkableObject for the link.
void	undo()

Methods inherited from class org.eclipse.gef.commands.Command

canExecute, canUndo, chain, dispose, getDebugLabel, getLabel, redo, setDebugLabel, setLabel

Methods inherited from class java.lang.Object

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

Constructor Detail

MoveLinkEndCommand

public MoveLinkEndCommand(Link link)

creates an instance of this command, and provides the Link to which it is to apply.

Parameters:

link - the link for which an end is to change.

Method Detail

setToEnd

public void setToEnd(LinkableObject object)

specify the new target LinkableObject for the link.

Parameters:

object - target end

getToEnd

public LinkableObject getToEnd()

getFromEnd

public LinkableObject getFromEnd()

setFromEnd

public void setFromEnd(LinkableObject object)

specify the new source LinkableObject for the link.

Parameters:

object - target end

execute

public void execute()

undo

public void undo()