/*******************************************************************************
* Copyright (c) 2008-2011 Chair for Applied Software Engineering,
* Technische Universitaet Muenchen.
* 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:
******************************************************************************/
package org.eclipse.emf.emfstore.server.model.versioning.operations.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.ecore.EStructuralFeature;
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;
import org.eclipse.emf.emfstore.common.model.ModelFactory;
import org.eclipse.emf.emfstore.server.model.versioning.operations.ContainmentType;
import org.eclipse.emf.emfstore.server.model.versioning.operations.MultiReferenceOperation;
import org.eclipse.emf.emfstore.server.model.versioning.operations.OperationsPackage;
/**
* This is the item provider adapter for a {@link org.eclipse.emf.emfstore.server.model.versioning.operations.MultiReferenceOperation} object.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public class MultiReferenceOperationItemProvider extends ReferenceOperationItemProvider implements
IEditingDomainItemProvider, IStructuredItemContentProvider, ITreeItemContentProvider, IItemLabelProvider,
IItemPropertySource {
/**
* This constructs an instance from a factory and a notifier.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public MultiReferenceOperationItemProvider(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);
addAddPropertyDescriptor(object);
addIndexPropertyDescriptor(object);
}
return itemPropertyDescriptors;
}
/**
* This adds a property descriptor for the Add feature.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
protected void addAddPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_MultiReferenceOperation_add_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_MultiReferenceOperation_add_feature", "_UI_MultiReferenceOperation_type"),
OperationsPackage.Literals.MULTI_REFERENCE_OPERATION__ADD,
true,
false,
false,
ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Index feature.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
protected void addIndexPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_MultiReferenceOperation_index_feature"),
getString("_UI_PropertyDescriptor_description", "_UI_MultiReferenceOperation_index_feature", "_UI_MultiReferenceOperation_type"),
OperationsPackage.Literals.MULTI_REFERENCE_OPERATION__INDEX,
true,
false,
false,
ItemPropertyDescriptor.INTEGRAL_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(OperationsPackage.Literals.MULTI_REFERENCE_OPERATION__REFERENCED_MODEL_ELEMENTS);
}
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 of custom code
/**
* @param object the object
* @return This returns the image.
* @generated NOT
*/
@Override
public Object getImage(Object object) {
return super.getImage(object);
}
// end of custom code
/**
* {@inheritDoc} This returns the label text for the adapted class. <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated NOT
*/
@Override
public String getText(Object object) {
if (object instanceof MultiReferenceOperation) {
MultiReferenceOperation op = (MultiReferenceOperation) object;
boolean containment = op.getContainmentType().equals(ContainmentType.CONTAINMENT);
String featureType = AbstractOperationItemProvider.REFERENCE_TYPE_TAG_SEPARATOR;
String elemNames = getModelElementClassesAndNames(op.getReferencedModelElements(), featureType);
String elementNameAndClass = getModelElementClassAndName(op.getModelElementId());
String children = op.getReferencedModelElements().size() > 1 ? "children" : "child";
if (op.isAdd()) {
if (containment) {
return "Added " + elemNames + " as " + children + " in " + elementNameAndClass;
} else {
return "Added " + elemNames + " to " + op.getFeatureName() + " in " + elementNameAndClass;
}
} else {
if (containment) {
return "Removed " + elemNames + " as " + children + " in " + elementNameAndClass;
} else {
return "Removed " + elemNames + " from " + op.getFeatureName() + " in " + elementNameAndClass;
}
}
}
return super.getText(object);
}
/**
* 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(MultiReferenceOperation.class)) {
case OperationsPackage.MULTI_REFERENCE_OPERATION__ADD:
case OperationsPackage.MULTI_REFERENCE_OPERATION__INDEX:
fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
return;
case OperationsPackage.MULTI_REFERENCE_OPERATION__REFERENCED_MODEL_ELEMENTS:
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
(OperationsPackage.Literals.MULTI_REFERENCE_OPERATION__REFERENCED_MODEL_ELEMENTS,
ModelFactory.eINSTANCE.createModelElementId()));
}
}