org.eclipse.emfforms.internal.core.services.controlmapper

Class ViewModelListener

java.lang.Object

org.eclipse.emfforms.internal.core.services.controlmapper.ViewModelListener

All Implemented Interfaces:

ModelChangeListener

public class ViewModelListener
extends Object
implements ModelChangeListener

A ModelChangeListener that listens to the view model of a EMFFormsViewContext and updates a EMFFormsSettingToControlMapper whenever the view model was changed in a way that is important to its VDomainModelReferences.

Author:

Lucas Koehler

Constructor Summary

Constructors

Constructor and Description
ViewModelListener(EMFFormsViewContext context, EMFFormsSettingToControlMapper mapper) Creates a new instance of ViewModelListener.

Method Summary

Modifier and Type	Method and Description
boolean	addVControl(VControl control) Adds a VControl to this ViewModelListener in order to check the control's VDomainModelReference for changes to the domain model.
void	dispose() Dispose this ViewModelListener.
boolean	isDisposed() Returns whether this ViewModelListener is disposed.
void	notifyChange(ModelChangeNotification notification) Notify about a change.
boolean	removeVControl(VControl control) Remove a VControl from this ViewModelListener.

Methods inherited from class java.lang.Object

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

Constructor Detail

ViewModelListener

public ViewModelListener(EMFFormsViewContext context,
                         EMFFormsSettingToControlMapper mapper)

Creates a new instance of ViewModelListener.

Parameters:

context - The EMFFormsViewContext this ViewModelListener listens to

mapper - The EMFFormsSettingToControlMapper to keep updated

Method Detail

notifyChange

public void notifyChange(ModelChangeNotification notification)

Notify about a change.

Specified by:

notifyChange in interface ModelChangeListener

Parameters:

notification - the ModelChangeNotification

See Also:

ModelChangeListener.notifyChange(org.eclipse.emf.ecp.view.spi.model.ModelChangeNotification)

addVControl

public boolean addVControl(VControl control)

Adds a VControl to this ViewModelListener in order to check the control's VDomainModelReference for changes to the domain model.

Parameters:

control - The VControl to add

Returns:

true if this ViewModelListener didn't already know the control and it was added, false otherwise.

removeVControl

public boolean removeVControl(VControl control)

Remove a VControl from this ViewModelListener. It's VDomainModelReference will the no longer be checked for changes to the domain model.

Parameters:

control - The VControl to remove.

Returns:

true if the ViewModelListener knew this VControl and it was removed, false otherwise.

dispose

public void dispose()

Dispose this ViewModelListener.

isDisposed

public boolean isDisposed()

Returns whether this ViewModelListener is disposed.

Returns:

true if this ViewModelListener is disposed, false otherwise