/*******************************************************************************
* Copyright (c) 2011, 2013 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.provider;
import java.util.Collection;
import java.util.List;
import org.eclipse.emf.common.command.AbstractCommand;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.common.command.CompoundCommand;
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.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
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.ItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.ItemProviderAdapter;
import org.eclipse.emf.edit.provider.ViewerNotification;
import org.eclipse.rmf.reqif10.ReqIF;
import org.eclipse.rmf.reqif10.ReqIF10Factory;
import org.eclipse.rmf.reqif10.ReqIF10Package;
import org.eclipse.rmf.reqif10.common.util.ReqIFToolExtensionUtil;
import org.eclipse.rmf.reqif10.pror.configuration.ProrToolExtension;
/**
* This is the item provider adapter for a {@link org.eclipse.rmf.reqif10.ReqIF} object.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public class ReqIFItemProvider
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 ReqIFItemProvider(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);
addLangPropertyDescriptor(object);
}
return itemPropertyDescriptors;
}
/**
* This adds a property descriptor for the Lang feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addLangPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_ReqIF_lang_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_ReqIF_lang_feature", "_UI_ReqIF_type"),
ReqIF10Package.Literals.REQ_IF__LANG,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
null));
}
/**
* 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(ReqIF10Package.Literals.REQ_IF__THE_HEADER);
childrenFeatures.add(ReqIF10Package.Literals.REQ_IF__CORE_CONTENT);
childrenFeatures.add(ReqIF10Package.Literals.REQ_IF__TOOL_EXTENSIONS);
}
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/ReqIf.png"));
}
/**
* This returns the label text for the adapted class.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public String getText(Object object) {
String label = ((ReqIF)object).getLang();
return label == null || label.length() == 0 ?
getString("_UI_ReqIF_type") :
getString("_UI_ReqIF_type") + " " + label;
}
/**
* 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 -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void notifyChanged(Notification notification) {
updateChildren(notification);
switch (notification.getFeatureID(ReqIF.class)) {
case ReqIF10Package.REQ_IF__LANG:
fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
return;
case ReqIF10Package.REQ_IF__THE_HEADER:
case ReqIF10Package.REQ_IF__CORE_CONTENT:
case ReqIF10Package.REQ_IF__TOOL_EXTENSIONS:
fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
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);
newChildDescriptors.add
(createChildParameter
(ReqIF10Package.Literals.REQ_IF__THE_HEADER,
ReqIF10Factory.eINSTANCE.createReqIFHeader()));
newChildDescriptors.add
(createChildParameter
(ReqIF10Package.Literals.REQ_IF__CORE_CONTENT,
ReqIF10Factory.eINSTANCE.createReqIFContent()));
newChildDescriptors.add
(createChildParameter
(ReqIF10Package.Literals.REQ_IF__TOOL_EXTENSIONS,
ReqIF10Factory.eINSTANCE.createReqIFToolExtension()));
}
/**
* Return the resource locator for this item provider's resources.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public ResourceLocator getResourceLocator() {
return Reqif10EditPlugin.INSTANCE;
}
/**
* Handle {@link ProrToolExtension} in a special way.
*/
@Override
protected Command createAddCommand(EditingDomain domain,
final EObject owner,
EStructuralFeature feature, Collection<?> collection, int index) {
if (feature == ReqIF10Package.Literals.REQ_IF__TOOL_EXTENSIONS) {
CompoundCommand compound = new CompoundCommand();
for (final Object obj : collection) {
Command cmd = new AbstractCommand() {
public void execute() {
ReqIFToolExtensionUtil.addToolExtension((ReqIF) owner,
(EObject) obj);
}
public void redo() {
}
@Override
public boolean canUndo() {
return false;
}
@Override
protected boolean prepare() {
return true;
}
};
compound.append(cmd);
}
return compound;
}
return super
.createAddCommand(domain, owner, feature, collection, index);
}
}