/*
 * Copyright (c) 2005, 2016 IBM Corporation, Embarcadero Technologies, CEA, 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
 *   Kenn Hussey (Embarcadero Technologies) - 215418, 204200
 *   Kenn Hussey - 323181
 *   Kenn Hussey (CEA) - 327039, 418466, 414970, 370089, 459723, 464702
 *
 */
package org.eclipse.uml2.uml.edit.providers;

import java.util.Collection;
import java.util.List;

import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;

import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.ViewerNotification;

import org.eclipse.uml2.common.edit.command.SubsetSupersetReplaceCommand;
import org.eclipse.uml2.common.edit.command.SubsetSupersetSetCommand;
import org.eclipse.uml2.common.edit.command.SupersetRemoveCommand;
import org.eclipse.uml2.uml.State;
import org.eclipse.uml2.uml.UMLFactory;
import org.eclipse.uml2.uml.UMLPackage;

/**
 * This is the item provider adapter for a {@link org.eclipse.uml2.uml.State} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class StateItemProvider
		extends NamespaceItemProvider {

	/**
	 * This constructs an instance from a factory and a notifier.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public StateItemProvider(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);

			addIsLeafPropertyDescriptor(object);
			addRedefinedElementPropertyDescriptor(object);
			addRedefinitionContextPropertyDescriptor(object);
			addContainerPropertyDescriptor(object);
			addIncomingPropertyDescriptor(object);
			addOutgoingPropertyDescriptor(object);
			addConnectionPropertyDescriptor(object);
			addConnectionPointPropertyDescriptor(object);
			addDeferrableTriggerPropertyDescriptor(object);
			addDoActivityPropertyDescriptor(object);
			addEntryPropertyDescriptor(object);
			addExitPropertyDescriptor(object);
			addIsCompositePropertyDescriptor(object);
			addIsOrthogonalPropertyDescriptor(object);
			addIsSimplePropertyDescriptor(object);
			addIsSubmachineStatePropertyDescriptor(object);
			addRedefinedStatePropertyDescriptor(object);
			addStateInvariantPropertyDescriptor(object);
			addSubmachinePropertyDescriptor(object);
			addRegionPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Is Leaf feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addIsLeafPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(),
			getString("_UI_RedefinableElement_isLeaf_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_RedefinableElement_isLeaf_feature", //$NON-NLS-1$
				"_UI_RedefinableElement_type"), //$NON-NLS-1$
			UMLPackage.Literals.REDEFINABLE_ELEMENT__IS_LEAF, true, false,
			false, ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE, null, null));
	}

	/**
	 * This adds a property descriptor for the Redefined Element feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addRedefinedElementPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(),
			getString("_UI_RedefinableElement_redefinedElement_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_RedefinableElement_redefinedElement_feature", //$NON-NLS-1$
				"_UI_RedefinableElement_type"), //$NON-NLS-1$
			UMLPackage.Literals.REDEFINABLE_ELEMENT__REDEFINED_ELEMENT, false,
			false, false, null, null,
			new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * This adds a property descriptor for the Redefinition Context feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addRedefinitionContextPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(),
			getString("_UI_RedefinableElement_redefinitionContext_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_RedefinableElement_redefinitionContext_feature", //$NON-NLS-1$
				"_UI_RedefinableElement_type"), //$NON-NLS-1$
			UMLPackage.Literals.REDEFINABLE_ELEMENT__REDEFINITION_CONTEXT,
			false, false, false, null, null,
			new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * This adds a property descriptor for the Container feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addContainerPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(), getString("_UI_Vertex_container_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_Vertex_container_feature", "_UI_Vertex_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.VERTEX__CONTAINER, true, false, true, null,
			null, new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * This adds a property descriptor for the Outgoing feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addOutgoingPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(), getString("_UI_Vertex_outgoing_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_Vertex_outgoing_feature", "_UI_Vertex_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.VERTEX__OUTGOING, false, false, false, null,
			null, new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * This adds a property descriptor for the Incoming feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addIncomingPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(), getString("_UI_Vertex_incoming_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_Vertex_incoming_feature", "_UI_Vertex_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.VERTEX__INCOMING, false, false, false, null,
			null, new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * This adds a property descriptor for the Is Composite feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addIsCompositePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(), getString("_UI_State_isComposite_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_State_isComposite_feature", "_UI_State_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.STATE__IS_COMPOSITE, false, false, false,
			ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE, null,
			new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * This adds a property descriptor for the Is Orthogonal feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addIsOrthogonalPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(), getString("_UI_State_isOrthogonal_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_State_isOrthogonal_feature", "_UI_State_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.STATE__IS_ORTHOGONAL, false, false, false,
			ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE, null,
			new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * This adds a property descriptor for the Is Simple feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addIsSimplePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(), getString("_UI_State_isSimple_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_State_isSimple_feature", "_UI_State_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.STATE__IS_SIMPLE, false, false, false,
			ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE, null,
			new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * This adds a property descriptor for the Is Submachine State feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addIsSubmachineStatePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(),
			getString("_UI_State_isSubmachineState_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_State_isSubmachineState_feature", "_UI_State_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.STATE__IS_SUBMACHINE_STATE, false, false, false,
			ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE, null,
			new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * This adds a property descriptor for the Submachine feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addSubmachinePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(), getString("_UI_State_submachine_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_State_submachine_feature", "_UI_State_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.STATE__SUBMACHINE, true, false, true, null,
			null, null));
	}

	/**
	 * This adds a property descriptor for the Connection feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addConnectionPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(), getString("_UI_State_connection_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_State_connection_feature", "_UI_State_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.STATE__CONNECTION, true, false, true, null,
			null, new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * This adds a property descriptor for the Connection Point feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addConnectionPointPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(),
			getString("_UI_State_connectionPoint_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_State_connectionPoint_feature", "_UI_State_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.STATE__CONNECTION_POINT, true, false, true,
			null, null, new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * This adds a property descriptor for the Redefined State feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addRedefinedStatePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(), getString("_UI_State_redefinedState_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_State_redefinedState_feature", "_UI_State_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.STATE__REDEFINED_STATE, true, false, true, null,
			null, null));
	}

	/**
	 * This adds a property descriptor for the State Invariant feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addStateInvariantPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(), getString("_UI_State_stateInvariant_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_State_stateInvariant_feature", "_UI_State_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.STATE__STATE_INVARIANT, true, false, true, null,
			null, new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * This adds a property descriptor for the Entry feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addEntryPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(), getString("_UI_State_entry_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_State_entry_feature", "_UI_State_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.STATE__ENTRY, true, false, true, null, null,
			new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * This adds a property descriptor for the Exit feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addExitPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(), getString("_UI_State_exit_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_State_exit_feature", "_UI_State_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.STATE__EXIT, true, false, true, null, null,
			new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * This adds a property descriptor for the Do Activity feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addDoActivityPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(), getString("_UI_State_doActivity_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_State_doActivity_feature", "_UI_State_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.STATE__DO_ACTIVITY, true, false, true, null,
			null, new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * This adds a property descriptor for the Deferrable Trigger feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addDeferrableTriggerPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(),
			getString("_UI_State_deferrableTrigger_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_State_deferrableTrigger_feature", "_UI_State_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.STATE__DEFERRABLE_TRIGGER, true, false, true,
			null, null, new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * This adds a property descriptor for the Region feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addRegionPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
			((ComposeableAdapterFactory) adapterFactory)
				.getRootAdapterFactory(),
			getResourceLocator(), getString("_UI_State_region_feature"), //$NON-NLS-1$
			getString("_UI_PropertyDescriptor_description", //$NON-NLS-1$
				"_UI_State_region_feature", "_UI_State_type"), //$NON-NLS-1$ //$NON-NLS-2$
			UMLPackage.Literals.STATE__REGION, true, false, true, null, null,
			new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
		}));
	}

	/**
	 * 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(UMLPackage.Literals.STATE__CONNECTION);
			childrenFeatures.add(UMLPackage.Literals.STATE__CONNECTION_POINT);
			childrenFeatures.add(UMLPackage.Literals.STATE__DEFERRABLE_TRIGGER);
			childrenFeatures.add(UMLPackage.Literals.STATE__DO_ACTIVITY);
			childrenFeatures.add(UMLPackage.Literals.STATE__ENTRY);
			childrenFeatures.add(UMLPackage.Literals.STATE__EXIT);
			childrenFeatures.add(UMLPackage.Literals.STATE__STATE_INVARIANT);
			childrenFeatures.add(UMLPackage.Literals.STATE__REGION);
		}
		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 State.gif.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object getImage(Object object) {
		return overlayImage(object,
			getResourceLocator().getImage("full/obj16/State")); //$NON-NLS-1$
	}

	/**
	 * <!-- 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 NOT
	 */
	@Override
	public String getText(Object object) {
		return appendLabel(
			appendType(appendKeywords(new StringBuffer(), object),
				"_UI_State_type"), //$NON-NLS-1$
			object).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(State.class)) {
			case UMLPackage.STATE__IS_LEAF :
			case UMLPackage.STATE__IS_COMPOSITE :
			case UMLPackage.STATE__IS_ORTHOGONAL :
			case UMLPackage.STATE__IS_SIMPLE :
			case UMLPackage.STATE__IS_SUBMACHINE_STATE :
				fireNotifyChanged(new ViewerNotification(notification,
					notification.getNotifier(), false, true));
				return;
			case UMLPackage.STATE__CONNECTION :
			case UMLPackage.STATE__CONNECTION_POINT :
			case UMLPackage.STATE__DEFERRABLE_TRIGGER :
			case UMLPackage.STATE__DO_ACTIVITY :
			case UMLPackage.STATE__ENTRY :
			case UMLPackage.STATE__EXIT :
			case UMLPackage.STATE__STATE_INVARIANT :
			case UMLPackage.STATE__REGION :
				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(UMLPackage.Literals.STATE__CONNECTION,
				UMLFactory.eINSTANCE.createConnectionPointReference()));

		newChildDescriptors.add(
			createChildParameter(UMLPackage.Literals.STATE__CONNECTION_POINT,
				UMLFactory.eINSTANCE.createPseudostate()));

		newChildDescriptors.add(
			createChildParameter(UMLPackage.Literals.STATE__DEFERRABLE_TRIGGER,
				UMLFactory.eINSTANCE.createTrigger()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__DO_ACTIVITY,
				UMLFactory.eINSTANCE.createActivity()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__DO_ACTIVITY,
				UMLFactory.eINSTANCE.createStateMachine()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__DO_ACTIVITY,
				UMLFactory.eINSTANCE.createProtocolStateMachine()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__DO_ACTIVITY,
				UMLFactory.eINSTANCE.createOpaqueBehavior()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__DO_ACTIVITY,
				UMLFactory.eINSTANCE.createFunctionBehavior()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__DO_ACTIVITY,
				UMLFactory.eINSTANCE.createInteraction()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__ENTRY,
				UMLFactory.eINSTANCE.createActivity()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__ENTRY,
				UMLFactory.eINSTANCE.createStateMachine()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__ENTRY,
				UMLFactory.eINSTANCE.createProtocolStateMachine()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__ENTRY,
				UMLFactory.eINSTANCE.createOpaqueBehavior()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__ENTRY,
				UMLFactory.eINSTANCE.createFunctionBehavior()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__ENTRY,
				UMLFactory.eINSTANCE.createInteraction()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__EXIT,
				UMLFactory.eINSTANCE.createActivity()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__EXIT,
				UMLFactory.eINSTANCE.createStateMachine()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__EXIT,
				UMLFactory.eINSTANCE.createProtocolStateMachine()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__EXIT,
				UMLFactory.eINSTANCE.createOpaqueBehavior()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__EXIT,
				UMLFactory.eINSTANCE.createFunctionBehavior()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__EXIT,
				UMLFactory.eINSTANCE.createInteraction()));

		newChildDescriptors.add(
			createChildParameter(UMLPackage.Literals.STATE__STATE_INVARIANT,
				UMLFactory.eINSTANCE.createConstraint()));

		newChildDescriptors.add(
			createChildParameter(UMLPackage.Literals.STATE__STATE_INVARIANT,
				UMLFactory.eINSTANCE.createInteractionConstraint()));

		newChildDescriptors.add(
			createChildParameter(UMLPackage.Literals.STATE__STATE_INVARIANT,
				UMLFactory.eINSTANCE.createIntervalConstraint()));

		newChildDescriptors.add(
			createChildParameter(UMLPackage.Literals.STATE__STATE_INVARIANT,
				UMLFactory.eINSTANCE.createDurationConstraint()));

		newChildDescriptors.add(
			createChildParameter(UMLPackage.Literals.STATE__STATE_INVARIANT,
				UMLFactory.eINSTANCE.createTimeConstraint()));

		newChildDescriptors
			.add(createChildParameter(UMLPackage.Literals.STATE__REGION,
				UMLFactory.eINSTANCE.createRegion()));
	}

	/**
	 * This returns the label text for {@link org.eclipse.emf.edit.command.CreateChildCommand}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String getCreateChildText(Object owner, Object feature, Object child,
			Collection<?> selection) {
		Object childFeature = feature;
		Object childObject = child;

		boolean qualify = childFeature == UMLPackage.Literals.NAMESPACE__OWNED_CONSTRAINT
			|| childFeature == UMLPackage.Literals.STATE__STATE_INVARIANT
			|| childFeature == UMLPackage.Literals.STATE__DO_ACTIVITY
			|| childFeature == UMLPackage.Literals.STATE__ENTRY
			|| childFeature == UMLPackage.Literals.STATE__EXIT;

		if (qualify) {
			return getString("_UI_CreateChild_text2", //$NON-NLS-1$
				new Object[]{getTypeText(childObject),
					getFeatureText(childFeature), getTypeText(owner)});
		}
		return super.getCreateChildText(owner, feature, child, selection);
	}

	/**
	 * @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 NOT
	 */
	@Override
	protected Command createRemoveCommand(EditingDomain domain, EObject owner,
			EStructuralFeature feature, Collection<?> collection) {
		if (feature == UMLPackage.Literals.NAMESPACE__OWNED_RULE) {
			return new SupersetRemoveCommand(domain, owner, feature,
				new EStructuralFeature[]{
					UMLPackage.Literals.NAMESPACE__OWNED_CONSTRAINT,
					UMLPackage.Literals.STATE__STATE_INVARIANT},
				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 NOT
	 */
	@Override
	protected Command createReplaceCommand(EditingDomain domain, EObject owner,
			EStructuralFeature feature, Object value,
			Collection<?> collection) {
		if (feature == UMLPackage.Literals.NAMESPACE__OWNED_RULE) {
			return new SubsetSupersetReplaceCommand(domain, owner, feature,
				null,
				new EStructuralFeature[]{
					UMLPackage.Literals.NAMESPACE__OWNED_CONSTRAINT,
					UMLPackage.Literals.STATE__STATE_INVARIANT},
				value, collection);
		}
		return super.createReplaceCommand(domain, owner, feature, value,
			collection);
	}

	/**
	 * @see org.eclipse.emf.edit.provider.ItemProviderAdapter#createSetCommand(org.eclipse.emf.edit.domain.EditingDomain, org.eclipse.emf.ecore.EObject, org.eclipse.emf.ecore.EStructuralFeature, java.lang.Object)
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	@Override
	protected Command createSetCommand(EditingDomain domain, EObject owner,
			EStructuralFeature feature, Object value) {
		if (feature == UMLPackage.Literals.STATE__STATE_INVARIANT) {
			return new SubsetSupersetSetCommand(domain, owner, feature,
				new EStructuralFeature[]{
					UMLPackage.Literals.NAMESPACE__OWNED_RULE},
				null, value);
		}
		if (feature == UMLPackage.Literals.NAMESPACE__OWNED_RULE) {
			return new SubsetSupersetSetCommand(domain, owner, feature, null,
				new EStructuralFeature[]{
					UMLPackage.Literals.NAMESPACE__OWNED_CONSTRAINT,
					UMLPackage.Literals.STATE__STATE_INVARIANT},
				value);
		}
		return super.createSetCommand(domain, owner, feature, value);
	}

}