/*******************************************************************************
* Copyright (c) 2011, 2012 Formal Mind GmbH and University of Dusseldorf.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Michael Jastram - initial API and implementation
******************************************************************************/
package org.eclipse.rmf.reqif10.pror.configuration.provider;
import java.util.Collection;
import java.util.List;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.ResourceLocator;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
import org.eclipse.emf.edit.provider.ItemProvider;
import org.eclipse.emf.edit.provider.ItemProviderAdapter;
import org.eclipse.emf.edit.provider.ViewerNotification;
import org.eclipse.rmf.reqif10.pror.configuration.ConfigurationPackage;
import org.eclipse.rmf.reqif10.pror.configuration.ProrPresentationConfiguration;
import org.eclipse.rmf.reqif10.pror.configuration.ProrPresentationConfigurations;
import org.eclipse.rmf.reqif10.pror.provider.Reqif10EditPlugin;
import org.eclipse.rmf.reqif10.pror.util.ProrUtil;
/**
* This is the item provider adapter for a {@link org.eclipse.rmf.reqif10.pror.configuration.ProrPresentationConfigurations} object.
* <!-- begin-user-doc -->
* <p>
* This adapter is stateful, as it keeps track of an associated
* {@link EditingDomain}. This is necessary, as presentations may need to react
* to model changes by modifying the model. <!-- end-user-doc -->
* @generated
*/
public class ProrPresentationConfigurationsItemProvider
extends ItemProviderAdapter
implements
IEditingDomainItemProvider,
IStructuredItemContentProvider,
ITreeItemContentProvider,
IItemLabelProvider,
IItemPropertySource {
/**
* This constructs an instance from a factory and a notifier.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public ProrPresentationConfigurationsItemProvider(AdapterFactory adapterFactory) {
super(adapterFactory);
}
/**
* This returns the property descriptors for the adapted class.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
if (itemPropertyDescriptors == null) {
super.getPropertyDescriptors(object);
}
return itemPropertyDescriptors;
}
/**
* This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
* {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
* {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
if (childrenFeatures == null) {
super.getChildrenFeatures(object);
childrenFeatures.add(ConfigurationPackage.Literals.PROR_PRESENTATION_CONFIGURATIONS__PRESENTATION_CONFIGURATIONS);
}
return childrenFeatures;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EStructuralFeature getChildFeature(Object object, Object child) {
// Check the type of the specified child object and return the proper feature to use for
// adding (see {@link AddCommand}) it as a child.
return super.getChildFeature(object, child);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected boolean shouldComposeCreationImage() {
return true;
}
@Override
public Object getImage(Object object) {
return overlayImage(object, getResourceLocator().getImage("full/obj16/Missing.png"));
}
/**
* This returns the label text for the adapted class.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public String getText(Object object) {
return getString("_UI_ProrPresentationConfigurations_type");
}
/**
* This handles model notifications by calling {@link #updateChildren} to
* update any cached children and by creating a viewer notification, which
* it passes to {@link #fireNotifyChanged}. <!-- begin-user-doc --> Handles
* calls to PresentationServiceManager <!-- end-user-doc -->
*
* @generated NOT
*/
@Override
public void notifyChanged(Notification notification) {
updateChildren(notification);
switch (notification.getFeatureID(ProrPresentationConfigurations.class)) {
case ConfigurationPackage.PROR_PRESENTATION_CONFIGURATIONS__PRESENTATION_CONFIGURATIONS:
fireNotifyChanged(new ViewerNotification(notification,
notification.getNotifier(), true, false));
handlePresentationRegistration(notification);
return;
}
super.notifyChanged(notification);
}
/**
* This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
* that can be created under this object.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
super.collectNewChildDescriptors(newChildDescriptors, object);
}
/**
* Return the resource locator for this item provider's resources.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public ResourceLocator getResourceLocator() {
return Reqif10EditPlugin.INSTANCE;
}
private EditingDomain editingDomain;
/**
* Allows setting the editing domain, as it is required for
* {@link ProrPresentationConfiguration} to modify the model. This method
* must be called only once.
* <p>
* This {@link ItemProvider} is stateful, therefore it is possible to have
* multiple models open with multiple {@link EditingDomain}s.
*/
public void setEditingDomain(EditingDomain editingDomain) {
if (editingDomain == null) {
throw new NullPointerException();
} else if (this.editingDomain != null) {
throw new IllegalStateException("EditingDomain is already set: "
+ this.editingDomain);
}
this.editingDomain = editingDomain;
}
private void handlePresentationRegistration(Notification notification) {
if (editingDomain == null) {
throw new NullPointerException(
"Presentation registration, but editingDomain not yet set!");
}
if (notification.getEventType() == Notification.ADD) {
ProrPresentationConfiguration config = (ProrPresentationConfiguration) notification
.getNewValue();
System.out.println("Registering: " + config);
ProrUtil.getConfigItemProvider(config, getRootAdapterFactory())
.registerPresentationConfiguration(config, editingDomain);
} else if (notification.getEventType() == Notification.REMOVE) {
ProrPresentationConfiguration config = (ProrPresentationConfiguration) notification
.getOldValue();
System.out.println("Unregistering: " + config);
ProrUtil.getConfigItemProvider(config, getRootAdapterFactory())
.unregisterPresentationConfiguration(config);
}
}
}