Package org.csstudio.opibuilder.commands

Class ConnectionCreateCommand

java.lang.Object

org.eclipse.gef.commands.Command

org.csstudio.opibuilder.commands.ConnectionCreateCommand

public class ConnectionCreateCommand
extends org.eclipse.gef.commands.Command

A command to create a connection between two widgets.

Constructor Summary

Constructors

Constructor	Description
ConnectionCreateCommand(AbstractWidgetModel source, String sourceTerminal)	Instantiate a command that can create a connection between two widgets.

Method Summary

Modifier and Type	Method	Description
boolean	canExecute()
void	execute()
void	redo()
void	setTarget(AbstractWidgetModel target)	Set the target for the connection.
void	setTargetTerminal(String targetTerminal)
void	undo()

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

canRedo, canUndo, chain, dispose, getDebugLabel, getLabel, setDebugLabel, setLabel

Methods inherited from class java.lang.Object

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

Constructor Details

ConnectionCreateCommand

public ConnectionCreateCommand(AbstractWidgetModel source,
 String sourceTerminal)

Instantiate a command that can create a connection between two widgets.

Parameters:

source - the source endpoint

sourceTerminal - terminal on the source

Throws:

IllegalArgumentException - if source is null

Method Details

canExecute

public boolean canExecute()

Overrides:

canExecute in class org.eclipse.gef.commands.Command

execute

public void execute()

Overrides:

execute in class org.eclipse.gef.commands.Command

redo

public void redo()

Overrides:

redo in class org.eclipse.gef.commands.Command

setTarget

public void setTarget(AbstractWidgetModel target)

Set the target for the connection.

Parameters:

target - that target

Throws:

IllegalArgumentException - if target is null

setTargetTerminal

public void setTargetTerminal(String targetTerminal)

undo

public void undo()

Overrides:

undo in class org.eclipse.gef.commands.Command