/**
* Copyright (c) 2002-2010 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.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EGenericType;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EOperation;
import org.eclipse.emf.ecore.EParameter;
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.EOperation} object.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public class EOperationItemProvider
extends ETypedElementItemProvider
implements
IEditingDomainItemProvider, IStructuredItemContentProvider, ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource
{
/**
* This constructs an instance from a factory and a notifier.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EOperationItemProvider(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);
addEExceptionsPropertyDescriptor(object);
}
return itemPropertyDescriptors;
}
/**
* This adds a property descriptor for the EExceptions feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
protected void addEExceptionsPropertyDescriptor(Object object)
{
itemPropertyDescriptors.add
(new ItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_EOperation_eExceptions_feature"),
getString("_UI_EOperation_eExceptions_description"),
EcorePackage.Literals.EOPERATION__EEXCEPTIONS,
true,
false,
true,
null,
null,
null)
{
@Override
public void setPropertyValue(Object object, Object value)
{
EditingDomain editingDomain = getEditingDomain(object);
if (editingDomain == null)
{
super.setPropertyValue(object, value);
}
else
{
EOperation eOperation = (EOperation)object;
List<EGenericType> eGenericTypes = new ArrayList<EGenericType>();
@SuppressWarnings("unchecked")
List<EClassifier> list = (List<EClassifier>)value;
LOOP:
for (EClassifier eException : list)
{
for (EGenericType eGenericException : eOperation.getEGenericExceptions())
{
if (eGenericException.getEClassifier() == eException)
{
eGenericTypes.add(eGenericException);
continue LOOP;
}
}
EGenericType eGenericType = EcoreFactory.eINSTANCE.createEGenericType();
eGenericType.setEClassifier(eException);
for (int i = 0, size = eException.getETypeParameters().size(); i < size; ++i)
{
eGenericType.getETypeArguments().add(EcoreFactory.eINSTANCE.createEGenericType());
}
eGenericTypes.add(eGenericType);
}
editingDomain.getCommandStack().execute
(SetCommand.create(editingDomain, object, EcorePackage.Literals.EOPERATION__EGENERIC_EXCEPTIONS, 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(1, EcorePackage.Literals.EOPERATION__ETYPE_PARAMETERS);
childrenFeatures.add(2, EcorePackage.Literals.EOPERATION__EPARAMETERS);
childrenFeatures.add(4, EcorePackage.Literals.EOPERATION__EGENERIC_EXCEPTIONS);
}
return childrenFeatures;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
@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.
EOperation eOperation = (EOperation)object;
if (child instanceof EObject)
{
EObject eObject = (EObject)child;
if (eObject.eContainer() == eOperation)
{
// If it's really a contained child, return the feature for it.
//
return eObject.eContainingFeature();
}
}
if (child instanceof EGenericType)
{
if (eOperation.getEGenericType() == null)
{
return EcorePackage.Literals.ETYPED_ELEMENT__EGENERIC_TYPE;
}
else
{
return EcorePackage.Literals.EOPERATION__EGENERIC_EXCEPTIONS;
}
}
else
{
return super.getChildFeature(object, child);
}
}
/**
* This returns EOperation.gif.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
@Override
public Object getImage(Object object)
{
return overlayImage(object, getComposedImage(object, getResourceLocator().getImage("full/obj16/EOperation")));
}
/**
* This returns the label text for the adapted class.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
@Override
public String getText(Object object)
{
EOperation eOperation = (EOperation)object;
StringBuffer result = new StringBuffer();
result.append(eOperation.getName());
if (!eOperation.getETypeParameters().isEmpty())
{
result.append("<");
for (Iterator<ETypeParameter> i = eOperation.getETypeParameters().iterator(); i.hasNext(); )
{
result.append(ETypeParameterItemProvider.getText(i.next()));
if (i.hasNext())
{
result.append(", ");
}
}
result.append(">");
}
result.append("("); //)
for (Iterator<EParameter> i = eOperation.getEParameters().iterator(); i.hasNext(); )
{
EParameter eParameter = i.next();
if (eParameter.getEGenericType() != null)
{
result.append(EGenericTypeItemProvider.getText(eParameter.getEGenericType()));
if (i.hasNext())
{
result.append(", ");
}
}
}
// (
result.append(")");
if (eOperation.getEGenericType() != null)
{
result.append(" : ");
result.append(EGenericTypeItemProvider.getText(eOperation.getEGenericType()));
}
if (!eOperation.getEGenericExceptions().isEmpty())
{
result.append(" throws ");
for (Iterator<EGenericType> i = eOperation.getEGenericExceptions().iterator(); i.hasNext(); )
{
EGenericType eException = i.next();
result.append(EGenericTypeItemProvider.getText(eException));
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(EOperation.class))
{
// Changes to the parameters should also update the label.
//
case EcorePackage.EOPERATION__EGENERIC_TYPE:
case EcorePackage.EOPERATION__EGENERIC_EXCEPTIONS:
case EcorePackage.EOPERATION__EPARAMETERS:
case EcorePackage.EOPERATION__ETYPE_PARAMETERS:
fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, 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.EOPERATION__ETYPE_PARAMETERS,
EcoreFactory.eINSTANCE.createETypeParameter()));
newChildDescriptors.add
(createChildParameter
(EcorePackage.Literals.EOPERATION__EPARAMETERS,
EcoreFactory.eINSTANCE.createEParameter()));
newChildDescriptors.add
(createChildParameter
(EcorePackage.Literals.EOPERATION__EGENERIC_EXCEPTIONS,
EcoreFactory.eINSTANCE.createEGenericType()));
}
/**
* This returns the label text for {@link org.eclipse.emf.edit.command.CreateChildCommand}.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
@Override
public String getCreateChildText(Object owner, Object feature, Object child, Collection<?> selection)
{
return
feature == EcorePackage.Literals.ETYPED_ELEMENT__EGENERIC_TYPE ?
getString("_UI_EGenericReturnType_label") :
feature == EcorePackage.Literals.EOPERATION__EGENERIC_EXCEPTIONS ?
getString("_UI_EGenericExceptionType_label") :
super.getCreateChildText(owner, feature, child, selection);
}
}