/**
* Copyright (c) 2006 IBM Corporation and others.
* 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:
* IBM - Initial API and implementation
*/
package org.eclipse.emf.ecore.provider;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EGenericType;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.ETypeParameter;
import org.eclipse.emf.ecore.EcoreFactory;
import org.eclipse.emf.ecore.EcorePackage;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.ViewerNotification;
/**
* This is the item provider adapter for a {@link org.eclipse.emf.ecore.ETypeParameter} object.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public class ETypeParameterItemProvider
extends ENamedElementItemProvider
{
/**
* This constructs an instance from a factory and a notifier.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public ETypeParameterItemProvider(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(EcorePackage.Literals.ETYPE_PARAMETER__EBOUNDS);
}
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);
}
@Override
public String getCreateChildText(Object owner, Object feature, Object child, Collection<?> selection)
{
return
feature == EcorePackage.Literals.ETYPE_PARAMETER__EBOUNDS ?
getString("_UI_EGenericBoundType_label") :
super.getCreateChildText(owner, feature, child, selection);
}
/**
* This returns ETypeParameter.gif.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object getImage(Object object)
{
return overlayImage(object, getResourceLocator().getImage("full/obj16/ETypeParameter"));
}
/**
* This returns the label text for the adapted class.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
@Override
public String getText(Object object)
{
return getText((ETypeParameter)object);
}
static String getText(ETypeParameter eTypeParameter)
{
if (eTypeParameter.getEBounds().isEmpty())
{
String name = eTypeParameter.getName();
return name == null ? "null" : name;
}
else
{
StringBuilder result = new StringBuilder();
result.append(eTypeParameter.getName());
result.append(" extends ");
for (Iterator<EGenericType> i = eTypeParameter.getEBounds().iterator(); i.hasNext(); )
{
result.append(EGenericTypeItemProvider.getText(i.next()));
if (i.hasNext())
{
result.append(" & ");
}
}
return result.toString();
}
}
/**
* 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 NOT
*/
@Override
public void notifyChanged(Notification notification)
{
updateChildren(notification);
switch (notification.getFeatureID(ETypeParameter.class))
{
case EcorePackage.ENAMED_ELEMENT__NAME:
{
fireNotifyChanged(new ViewerNotification(notification, ((EObject)notification.getNotifier()).eContainer(), false, true));
break;
}
case EcorePackage.ETYPE_PARAMETER__EBOUNDS:
fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, true));
fireNotifyChanged(new ViewerNotification(notification, ((EObject)notification.getNotifier()).eContainer(), false, true));
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
(EcorePackage.Literals.ETYPE_PARAMETER__EBOUNDS,
EcoreFactory.eINSTANCE.createEGenericType()));
}
}