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|
/**
* Copyright (c) 2014, 2015 Christian W. Damus 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:
* Christian W. Damus - Initial API and implementation
*/
package org.eclipse.papyrus.infra.gmfdiag.assistant.provider;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;
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.BasicEList;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.ResourceLocator;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.edit.command.AddCommand;
import org.eclipse.emf.edit.command.RemoveCommand;
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.IChildCreationExtender;
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.gmf.runtime.emf.type.core.ClientContextManager;
import org.eclipse.gmf.runtime.emf.type.core.IClientContext;
import org.eclipse.papyrus.infra.filters.FiltersFactory;
import org.eclipse.papyrus.infra.gmfdiag.assistant.AssistantFactory;
import org.eclipse.papyrus.infra.gmfdiag.assistant.AssistantPackage;
import org.eclipse.papyrus.infra.gmfdiag.assistant.ModelingAssistantProvider;
import org.eclipse.uml2.common.edit.command.SubsetAddCommand;
import org.eclipse.uml2.common.edit.command.SubsetSupersetReplaceCommand;
import org.eclipse.uml2.common.edit.command.SupersetRemoveCommand;
/**
* This is the item provider adapter for a {@link org.eclipse.papyrus.infra.gmfdiag.assistant.ModelingAssistantProvider} object.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
public class ModelingAssistantProviderItemProvider 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 ModelingAssistantProviderItemProvider(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);
addNamePropertyDescriptor(object);
addAssistantPropertyDescriptor(object);
addElementTypePropertyDescriptor(object);
addElementTypeIDPropertyDescriptor(object);
addClientContextPropertyDescriptor(object);
addClientContextIDPropertyDescriptor(object);
addExcludedElementTypePropertyDescriptor(object);
addExcludedElementTypeIDPropertyDescriptor(object);
addRelationshipTypePropertyDescriptor(object);
addRelationshipTypeIDPropertyDescriptor(object);
}
return itemPropertyDescriptors;
}
/**
* This adds a property descriptor for the Name feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
protected void addNamePropertyDescriptor(Object object)
{
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_ModelingAssistantProvider_name_feature"), //$NON-NLS-1$
getString("_UI_PropertyDescriptor_description", "_UI_ModelingAssistantProvider_name_feature", "_UI_ModelingAssistantProvider_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__NAME,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Assistant feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
protected void addAssistantPropertyDescriptor(Object object)
{
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_ModelingAssistantProvider_assistant_feature"), //$NON-NLS-1$
getString("_UI_PropertyDescriptor_description", "_UI_ModelingAssistantProvider_assistant_feature", "_UI_ModelingAssistantProvider_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__ASSISTANT,
false,
false,
false,
null,
null,
null));
}
/**
* This adds a property descriptor for the Element Type feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
protected void addElementTypePropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_ModelingAssistantProvider_elementType_feature"), //$NON-NLS-1$
getString("_UI_PropertyDescriptor_description", "_UI_ModelingAssistantProvider_elementType_feature", "_UI_ModelingAssistantProvider_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__ELEMENT_TYPE,
false,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
new String[] { "org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
}));
}
/**
* This adds a property descriptor for the Element Type ID feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
protected void addElementTypeIDPropertyDescriptor(Object object) {
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_ModelingAssistantProvider_elementTypeID_feature"), //$NON-NLS-1$
getString("_UI_PropertyDescriptor_description", "_UI_ModelingAssistantProvider_elementTypeID_feature", "_UI_ModelingAssistantProvider_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__ELEMENT_TYPE_ID,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Client Context feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated NOT
*/
protected void addClientContextPropertyDescriptor(Object object)
{
itemPropertyDescriptors.add
(new ItemPropertyDescriptor
(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_ModelingAssistantProvider_clientContext_feature"), //$NON-NLS-1$
getString("_UI_PropertyDescriptor_description", "_UI_ModelingAssistantProvider_clientContext_feature", "_UI_ModelingAssistantProvider_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__CLIENT_CONTEXT,
true,
false,
true,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
new String[] { "org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
}) {
@Override
public Collection<?> getChoiceOfValues(Object object) {
return ClientContextManager.getInstance().getClientContexts();
}
@Override
public void setPropertyValue(Object object, Object value) {
final EStructuralFeature feature = AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__CLIENT_CONTEXT_ID;
EObject modelingAssistantProvider = (EObject) object;
IClientContext context = (IClientContext) value;
String newID = (context == null) ? null : context.getId();
String currentID = (String) modelingAssistantProvider.eGet(feature);
if (!Objects.equals(newID, currentID)) {
EditingDomain editingDomain = getEditingDomain(modelingAssistantProvider);
if (editingDomain == null) {
modelingAssistantProvider.eSet(feature, newID);
} else {
editingDomain.getCommandStack().execute(SetCommand.create(editingDomain, object, feature, newID));
}
}
}
});
}
/**
* This adds a property descriptor for the Client Context ID feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
protected void addClientContextIDPropertyDescriptor(Object object)
{
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_ModelingAssistantProvider_clientContextID_feature"), //$NON-NLS-1$
getString("_UI_PropertyDescriptor_description", "_UI_ModelingAssistantProvider_clientContextID_feature", "_UI_ModelingAssistantProvider_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__CLIENT_CONTEXT_ID,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Excluded Element Type feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
protected void addExcludedElementTypePropertyDescriptor(Object object)
{
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_ModelingAssistantProvider_excludedElementType_feature"), //$NON-NLS-1$
getString("_UI_PropertyDescriptor_description", "_UI_ModelingAssistantProvider_excludedElementType_feature", "_UI_ModelingAssistantProvider_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__EXCLUDED_ELEMENT_TYPE,
false,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
new String[] { "org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
}));
}
/**
* This adds a property descriptor for the Excluded Element Type ID feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
protected void addExcludedElementTypeIDPropertyDescriptor(Object object)
{
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_ModelingAssistantProvider_excludedElementTypeID_feature"), //$NON-NLS-1$
getString("_UI_PropertyDescriptor_description", "_UI_ModelingAssistantProvider_excludedElementTypeID_feature", "_UI_ModelingAssistantProvider_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__EXCLUDED_ELEMENT_TYPE_ID,
true,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
null));
}
/**
* This adds a property descriptor for the Relationship Type feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
protected void addRelationshipTypePropertyDescriptor(Object object)
{
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_ModelingAssistantProvider_relationshipType_feature"), //$NON-NLS-1$
getString("_UI_PropertyDescriptor_description", "_UI_ModelingAssistantProvider_relationshipType_feature", "_UI_ModelingAssistantProvider_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__RELATIONSHIP_TYPE,
false,
false,
false,
ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
null,
new String[] { "org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
}));
}
/**
* This adds a property descriptor for the Relationship Type ID feature.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
protected void addRelationshipTypeIDPropertyDescriptor(Object object)
{
itemPropertyDescriptors.add
(createItemPropertyDescriptor
(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
getResourceLocator(),
getString("_UI_ModelingAssistantProvider_relationshipTypeID_feature"), //$NON-NLS-1$
getString("_UI_PropertyDescriptor_description", "_UI_ModelingAssistantProvider_relationshipTypeID_feature", "_UI_ModelingAssistantProvider_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__RELATIONSHIP_TYPE_ID,
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(AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__OWNED_FILTER);
childrenFeatures.add(AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__POPUP_ASSISTANT);
childrenFeatures.add(AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__CONNECTION_ASSISTANT);
}
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);
}
/**
* This returns ModelingAssistantProvider.gif.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
@Override
public Object getImage(Object object) {
return overlayImage(object, getResourceLocator().getImage("full/obj16/ModelingAssistantProvider")); //$NON-NLS-1$
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
@Override
protected boolean shouldComposeCreationImage()
{
return true;
}
/**
* This returns the label text for the adapted class.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
@Override
public String getText(Object object) {
String label = ((ModelingAssistantProvider) object).getName();
return label == null || label.length() == 0 ?
getString("_UI_ModelingAssistantProvider_type") : //$NON-NLS-1$
getString("_UI_ModelingAssistantProvider_type") + " " + label; //$NON-NLS-1$ //$NON-NLS-2$
}
/**
* 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(ModelingAssistantProvider.class))
{
case AssistantPackage.MODELING_ASSISTANT_PROVIDER__NAME:
case AssistantPackage.MODELING_ASSISTANT_PROVIDER__ASSISTANT:
case AssistantPackage.MODELING_ASSISTANT_PROVIDER__ELEMENT_TYPE:
case AssistantPackage.MODELING_ASSISTANT_PROVIDER__ELEMENT_TYPE_ID:
case AssistantPackage.MODELING_ASSISTANT_PROVIDER__CLIENT_CONTEXT:
case AssistantPackage.MODELING_ASSISTANT_PROVIDER__CLIENT_CONTEXT_ID:
case AssistantPackage.MODELING_ASSISTANT_PROVIDER__EXCLUDED_ELEMENT_TYPE:
case AssistantPackage.MODELING_ASSISTANT_PROVIDER__EXCLUDED_ELEMENT_TYPE_ID:
case AssistantPackage.MODELING_ASSISTANT_PROVIDER__RELATIONSHIP_TYPE:
case AssistantPackage.MODELING_ASSISTANT_PROVIDER__RELATIONSHIP_TYPE_ID:
fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
return;
case AssistantPackage.MODELING_ASSISTANT_PROVIDER__OWNED_FILTER:
case AssistantPackage.MODELING_ASSISTANT_PROVIDER__POPUP_ASSISTANT:
case AssistantPackage.MODELING_ASSISTANT_PROVIDER__CONNECTION_ASSISTANT:
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
(AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__OWNED_FILTER,
AssistantFactory.eINSTANCE.createAssistedElementTypeFilter()));
newChildDescriptors.add
(createChildParameter
(AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__OWNED_FILTER,
AssistantFactory.eINSTANCE.createElementTypeFilter()));
newChildDescriptors.add
(createChildParameter
(AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__OWNED_FILTER,
FiltersFactory.eINSTANCE.createCompoundFilter()));
newChildDescriptors.add
(createChildParameter
(AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__OWNED_FILTER,
FiltersFactory.eINSTANCE.createEquals()));
newChildDescriptors.add
(createChildParameter
(AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__POPUP_ASSISTANT,
AssistantFactory.eINSTANCE.createPopupAssistant()));
newChildDescriptors.add
(createChildParameter
(AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__CONNECTION_ASSISTANT,
AssistantFactory.eINSTANCE.createConnectionAssistant()));
}
/**
* Return the resource locator for this item provider's resources.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
@Override
public ResourceLocator getResourceLocator() {
return ((IChildCreationExtender) adapterFactory).getResourceLocator();
}
/**
* @see org.eclipse.emf.edit.provider.ItemProviderAdapter#createAddCommand(org.eclipse.emf.edit.domain.EditingDomain, org.eclipse.emf.ecore.EObject, org.eclipse.emf.ecore.EStructuralFeature, java.util.Collection, int)
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected Command createAddCommand(EditingDomain domain, EObject owner, EStructuralFeature feature, Collection<?> collection, int index) {
if (feature == AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__RELATIONSHIP_TYPE_ID) {
return new SubsetAddCommand(domain, owner, feature, new EStructuralFeature[] { AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__ELEMENT_TYPE_ID }, collection, index);
}
return super.createAddCommand(domain, owner, feature, collection, index);
}
/**
* @see org.eclipse.emf.edit.provider.ItemProviderAdapter#createRemoveCommand(org.eclipse.emf.edit.domain.EditingDomain, org.eclipse.emf.ecore.EObject, org.eclipse.emf.ecore.EStructuralFeature, java.util.Collection)
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected Command createRemoveCommand(EditingDomain domain, EObject owner, EStructuralFeature feature, Collection<?> collection) {
if (feature == AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__ELEMENT_TYPE_ID) {
return new SupersetRemoveCommand(domain, owner, feature, new EStructuralFeature[] { AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__RELATIONSHIP_TYPE_ID }, collection);
}
return super.createRemoveCommand(domain, owner, feature, collection);
}
/**
* @see org.eclipse.emf.edit.provider.ItemProviderAdapter#createReplaceCommand(org.eclipse.emf.edit.domain.EditingDomain, org.eclipse.emf.ecore.EObject, org.eclipse.emf.ecore.EStructuralFeature, java.lang.Object, java.util.Collection)
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected Command createReplaceCommand(EditingDomain domain, EObject owner, EStructuralFeature feature, Object value, Collection<?> collection) {
if (feature == AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__RELATIONSHIP_TYPE_ID) {
return new SubsetSupersetReplaceCommand(domain, owner, feature, new EStructuralFeature[] { AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__ELEMENT_TYPE_ID }, null, value, collection);
}
if (feature == AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__ELEMENT_TYPE_ID) {
return new SubsetSupersetReplaceCommand(domain, owner, feature, null, new EStructuralFeature[] { AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__RELATIONSHIP_TYPE_ID }, value, collection);
}
return super.createReplaceCommand(domain, owner, feature, value, collection);
}
//
// FIXME Work-around for UML2 bug 459723
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=459723
// Replace with generated code when available
//
@Override
protected Command createSetCommand(EditingDomain domain, EObject owner, EStructuralFeature feature, Object value) {
if (feature == AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__RELATIONSHIP_TYPE_ID) {
return createSetSubsetListCommand(domain, owner, feature, new EStructuralFeature[] { AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__ELEMENT_TYPE_ID }, value);
}
if (feature == AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__ELEMENT_TYPE_ID) {
return createSetSupersetListCommand(domain, owner, feature, new EStructuralFeature[] { AssistantPackage.Literals.MODELING_ASSISTANT_PROVIDER__RELATIONSHIP_TYPE_ID }, value);
}
return super.createSetCommand(domain, owner, feature, value);
}
protected Command createSetSubsetListCommand(EditingDomain domain, EObject owner, EStructuralFeature subset, EStructuralFeature[] supersets, Object value) {
List<Command> result = new ArrayList<>(supersets.length + 1);
EList<?> newList = (EList<?>) value;
result.add(new SetCommand(domain, owner, subset, newList));
for (int i = 0; i < supersets.length; i++) {
EStructuralFeature superset = supersets[i];
EList<Object> toAdd = new BasicEList<>(newList.size());
Set<?> current = new HashSet<>((EList<?>) owner.eGet(superset));
for (Object next : newList) {
if (!current.contains(next)) {
toAdd.add(next);
}
}
if (!toAdd.isEmpty()) {
result.add(AddCommand.create(domain, owner, superset, toAdd));
}
}
return (result.size() == 1) ? result.get(0) : new CompoundCommand(0, result);
}
protected Command createSetSupersetListCommand(EditingDomain domain, EObject owner, EStructuralFeature superset, EStructuralFeature[] subsets, Object value) {
List<Command> result = new ArrayList<>(subsets.length + 1);
EList<?> newList = (EList<?>) value;
result.add(new SetCommand(domain, owner, superset, newList));
// What are we removing?
EList<Object> toRemove = new BasicEList<>((EList<?>) owner.eGet(superset));
toRemove.removeAll(newList);
if (!toRemove.isEmpty()) {
for (int i = 0; i < subsets.length; i++) {
EStructuralFeature subset = subsets[i];
EList<Object> toRemoveFromSubset = new BasicEList<>((EList<?>) owner.eGet(subset));
toRemoveFromSubset.retainAll(toRemove);
if (!toRemoveFromSubset.isEmpty()) {
result.add(RemoveCommand.create(domain, owner, subset, toRemoveFromSubset));
}
}
}
return (result.size() == 1) ? result.get(0) : new CompoundCommand(0, result);
}
//
// End work-around
//
}
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