/**
* Copyright (c) 2002-2012 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.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
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.ecore.EClass;
import org.eclipse.emf.ecore.EGenericType;
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.command.SetCommand;
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.ViewerNotification;
/**
* This is the item provider adapter for a {@link org.eclipse.emf.ecore.EClass} object.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public class EClassItemProvider
extends EClassifierItemProvider
implements
IEditingDomainItemProvider, IStructuredItemContentProvider, ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource
{
/**
* This constructs an instance from a factory and a notifier.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EClassItemProvider(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);
addAbstractPropertyDescriptor(object);
addInterfacePropertyDescriptor(object);
addESuperTypesPropertyDescriptor(object);
}
return itemPropertyDescriptors;
}
/**
* This adds a property descriptor for the Abstract feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected void addAbstractPropertyDescriptor(Object object)
{
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_EClass_abstract_feature"),
getString("_UI_EClass_abstract_description"),
EcorePackage.Literals.ECLASS__ABSTRACT,
true,
false,
false,
ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Interface feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
protected void addInterfacePropertyDescriptor(Object object)
{
itemPropertyDescriptors.add
(new ItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_EClass_interface_feature"),
getString("_UI_EClass_interface_description"),
EcorePackage.Literals.ECLASS__INTERFACE,
true,
false,
false,
ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE,
null,
null)
{
@Override
public void setPropertyValue(Object object, Object value)
{
EditingDomain editingDomain = getEditingDomain(object);
if (editingDomain != null && Boolean.TRUE.equals(value))
{
CompoundCommand command = new CompoundCommand();
command.append(SetCommand.create(editingDomain, object, EcorePackage.Literals.ECLASS__INTERFACE, Boolean.TRUE));
command.append(SetCommand.create(editingDomain, object, EcorePackage.Literals.ECLASS__ABSTRACT, Boolean.TRUE));
editingDomain.getCommandStack().execute(command);
}
else
{
super.setPropertyValue(object, value);
}
}
});
}
/**
* This adds a property descriptor for the ESuper Types feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
protected void addESuperTypesPropertyDescriptor(Object object)
{
itemPropertyDescriptors.add
(new ItemPropertyDescriptorWithUniqueChoiceOfValueLabels
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_EClass_eSuperTypes_feature"),
getString("_UI_EClass_eSuperTypes_description"),
EcorePackage.Literals.ECLASS__ESUPER_TYPES,
true,
false,
true,
null,
null,
null)
{
@Override
public Collection<?> getChoiceOfValues(Object object)
{
EClass eClass = (EClass)object;
// Filter out classes that aren't permitted.
//
Collection<?> result = super.getChoiceOfValues(object);
if (eClass.eResource() == null ||
eClass.eResource().getResourceSet() == null ||
!eClass.eResource().getResourceSet().getPackageRegistry().containsKey(EcorePackage.eNS_URI))
{
result.removeAll(EcorePackage.eINSTANCE.getEClassifiers());
}
for (Iterator<?> i = result.iterator(); i.hasNext(); )
{
EClass otherEClass = (EClass)i.next();
if (otherEClass == eClass || otherEClass.getEAllSuperTypes().contains(eClass))
{
i.remove();
}
}
uniqueNameMap = computeUniqueLabels(object, result);
return result;
}
@Override
public void setPropertyValue(Object object, Object value)
{
EditingDomain editingDomain = getEditingDomain(object);
if (editingDomain == null)
{
super.setPropertyValue(object, value);
}
else
{
EClass eClass = (EClass)object;
List<EGenericType> eGenericTypes = new ArrayList<EGenericType>();
@SuppressWarnings("unchecked")
List<EClass> list = (List<EClass>)value;
LOOP:
for (EClass eSuperType : list)
{
for (EGenericType eGenericSuperType : eClass.getEGenericSuperTypes())
{
if (eGenericSuperType.getEClassifier() == eSuperType)
{
eGenericTypes.add(eGenericSuperType);
continue LOOP;
}
}
EGenericType eGenericType = EcoreFactory.eINSTANCE.createEGenericType();
eGenericType.setEClassifier(eSuperType);
for (int i = 0, size = eSuperType.getETypeParameters().size(); i < size; ++i)
{
eGenericType.getETypeArguments().add(EcoreFactory.eINSTANCE.createEGenericType());
}
eGenericTypes.add(eGenericType);
}
editingDomain.getCommandStack().execute
(SetCommand.create(editingDomain, object, EcorePackage.Literals.ECLASS__EGENERIC_SUPER_TYPES, eGenericTypes));
}
}
});
}
/**
* 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 NOT
*/
@Override
public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object)
{
if (childrenFeatures == null)
{
super.getChildrenFeatures(object);
childrenFeatures.add(EcorePackage.Literals.ECLASS__EOPERATIONS);
childrenFeatures.add(EcorePackage.Literals.ECLASS__ESTRUCTURAL_FEATURES);
childrenFeatures.add(2, EcorePackage.Literals.ECLASS__EGENERIC_SUPER_TYPES);
}
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.ECLASS__EGENERIC_SUPER_TYPES ?
getString("_UI_EGenericSuperType_label") :
super.getCreateChildText(owner, feature, child, selection);
}
/**
* This returns EClass.gif.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object getImage(Object object)
{
return overlayImage(object, getResourceLocator().getImage("full/obj16/EClass"));
}
/**
* This returns the label text for the adapted class.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
@Override
public String getText(Object object)
{
EClass eClass = (EClass)object;
StringBuffer result = new StringBuffer();
if (eClass.getName() != null)
{
result.append(eClass.getName());
}
if (!eClass.getETypeParameters().isEmpty())
{
result.append("<");
for (Iterator<ETypeParameter> i = eClass.getETypeParameters().iterator(); i.hasNext(); )
{
ETypeParameter eTypeParameter = i.next();
result.append(ETypeParameterItemProvider.getText(eTypeParameter));
if (i.hasNext())
{
result.append(", ");
}
}
result.append(">");
}
if (!eClass.getEGenericSuperTypes().isEmpty())
{
result.append(" -> ");
for (Iterator<EGenericType> i = eClass.getEGenericSuperTypes().iterator(); i.hasNext(); )
{
EGenericType eGenericSuperType = i.next();
result.append(EGenericTypeItemProvider.getText(eGenericSuperType));
if (i.hasNext())
{
result.append(", ");
}
}
}
if (eClass.getInstanceTypeName() != null)
{
result.append(" [");
result.append(eClass.getInstanceTypeName());
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
*/
@Override
public void notifyChanged(Notification notification)
{
updateChildren(notification);
switch (notification.getFeatureID(EClass.class))
{
case EcorePackage.ECLASS__ABSTRACT:
case EcorePackage.ECLASS__INTERFACE:
case EcorePackage.ECLASS__ESUPER_TYPES:
case EcorePackage.ECLASS__EREFERENCES:
case EcorePackage.ECLASS__EATTRIBUTES:
fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
return;
case EcorePackage.ECLASS__EOPERATIONS:
case EcorePackage.ECLASS__ESTRUCTURAL_FEATURES:
case EcorePackage.ECLASS__EGENERIC_SUPER_TYPES:
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
(EcorePackage.Literals.ECLASS__EOPERATIONS,
EcoreFactory.eINSTANCE.createEOperation()));
newChildDescriptors.add
(createChildParameter
(EcorePackage.Literals.ECLASS__ESTRUCTURAL_FEATURES,
EcoreFactory.eINSTANCE.createEAttribute()));
newChildDescriptors.add
(createChildParameter
(EcorePackage.Literals.ECLASS__ESTRUCTURAL_FEATURES,
EcoreFactory.eINSTANCE.createEReference()));
newChildDescriptors.add
(createChildParameter
(EcorePackage.Literals.ECLASS__EGENERIC_SUPER_TYPES,
EcoreFactory.eINSTANCE.createEGenericType()));
}
}