Class CreateConnectionCommand

java.lang.Object

org.eclipse.gef.commands.Command

org.eclipse.graphiti.ui.internal.command.AbstractCommand

org.eclipse.graphiti.ui.internal.command.CreateConnectionCommand

All Implemented Interfaces:

IConfigurationProviderHolder

public class CreateConnectionCommand
extends AbstractCommand

Constructor Summary

Constructors

Constructor	Description
CreateConnectionCommand(IConfigurationProvider configurationProvider, PictogramElement pe, List<IFeature> features)	Instantiate a command that can create a connection between two anchors.

Method Summary

Modifier and Type	Method	Description
boolean	canExecute()
boolean	canStartConnection()
boolean	canUndo()
void	connectionStarted()
void	deactivate()
void	execute()
IFeatureAndContext[]	getFeaturesAndContexts()
PictogramElement	getSourceObject()
void	redo()
void	setLocation(org.eclipse.draw2d.geometry.Point location)	sets the location for the command when connection is dropped into nowhere
void	setTarget(PictogramElement pe)	Set the target endpoint for the connection.
void	undo()

Methods inherited from class AbstractCommand

getConfigurationProvider, getFeatureProvider, getTransactionalEditingDomain

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

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

Methods inherited from class Object

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

Constructor Details

CreateConnectionCommand

public CreateConnectionCommand(IConfigurationProvider configurationProvider,
 PictogramElement pe,
 List<IFeature> features)

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

Parameters:

source - the source endpoint (a non-null Shape instance)

lineStyle - the desired line style. See Connection#setLineStyle(int) for details

Throws:

IllegalArgumentException - if source is null

See Also:

• invalid reference

  Connection#setLineStyle(int)

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

canStartConnection

public boolean canStartConnection()

redo

public void redo()

Overrides:

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

setTarget

public void setTarget(PictogramElement pe)

Set the target endpoint for the connection.

Parameters:

target - that target endpoint (a non-null Shape instance)

Throws:

IllegalArgumentException - if target is null

canUndo

public boolean canUndo()

Overrides:

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

undo

public void undo()

Overrides:

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

getSourceObject

public PictogramElement getSourceObject()

setLocation

public void setLocation(org.eclipse.draw2d.geometry.Point location)

sets the location for the command when connection is dropped into nowhere

Parameters:

location -

getFeaturesAndContexts

public IFeatureAndContext[] getFeaturesAndContexts()

connectionStarted

public void connectionStarted()

deactivate

public void deactivate()