/*
 * Copyright (c) 2005, 2006 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
 *
 * $Id: TransitionItemProvider.java,v 1.11 2006/05/15 21:06:22 khussey Exp $
 */
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.common.util.ResourceLocator;

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.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
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.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.Transition;
import org.eclipse.uml2.uml.UMLFactory;
import org.eclipse.uml2.uml.UMLPackage;

import org.eclipse.uml2.uml.edit.UMLEditPlugin;

/**
 * This is the item provider adapter for a {@link org.eclipse.uml2.uml.Transition} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class TransitionItemProvider
		extends NamespaceItemProvider
		implements IEditingDomainItemProvider, IStructuredItemContentProvider,
		ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource {

	/**
	 * This constructs an instance from a factory and a notifier.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public TransitionItemProvider(AdapterFactory adapterFactory) {
		super(adapterFactory);
	}

	/**
	 * This returns the property descriptors for the adapted class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List getPropertyDescriptors(Object object) {
		if (itemPropertyDescriptors == null) {
			super.getPropertyDescriptors(object);

			addIsLeafPropertyDescriptor(object);
			addRedefinedElementPropertyDescriptor(object);
			addRedefinitionContextPropertyDescriptor(object);
			addKindPropertyDescriptor(object);
			addContainerPropertyDescriptor(object);
			addTargetPropertyDescriptor(object);
			addRedefinedTransitionPropertyDescriptor(object);
			addGuardPropertyDescriptor(object);
			addEffectPropertyDescriptor(object);
			addTriggerPropertyDescriptor(object);
			addSourcePropertyDescriptor(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", "_UI_RedefinableElement_isLeaf_feature", "_UI_RedefinableElement_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				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", "_UI_RedefinableElement_redefinedElement_feature", "_UI_RedefinableElement_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				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", "_UI_RedefinableElement_redefinitionContext_feature", "_UI_RedefinableElement_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				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 Kind feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addKindPropertyDescriptor(Object object) {
		itemPropertyDescriptors
			.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory) adapterFactory)
					.getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_Transition_kind_feature"), //$NON-NLS-1$
				getString(
					"_UI_PropertyDescriptor_description", "_UI_Transition_kind_feature", "_UI_Transition_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				UMLPackage.Literals.TRANSITION__KIND, true, false, false,
				ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
	}

	/**
	 * 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_Transition_container_feature"), //$NON-NLS-1$
				getString(
					"_UI_PropertyDescriptor_description", "_UI_Transition_container_feature", "_UI_Transition_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				UMLPackage.Literals.TRANSITION__CONTAINER, true, false, true,
				null, null,
				new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
				}));
	}

	/**
	 * This adds a property descriptor for the Target feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addTargetPropertyDescriptor(Object object) {
		itemPropertyDescriptors
			.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory) adapterFactory)
					.getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_Transition_target_feature"), //$NON-NLS-1$
				getString(
					"_UI_PropertyDescriptor_description", "_UI_Transition_target_feature", "_UI_Transition_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				UMLPackage.Literals.TRANSITION__TARGET, true, false, true,
				null, null, null));
	}

	/**
	 * This adds a property descriptor for the Redefined Transition feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addRedefinedTransitionPropertyDescriptor(Object object) {
		itemPropertyDescriptors
			.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory) adapterFactory)
					.getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_Transition_redefinedTransition_feature"), //$NON-NLS-1$
				getString(
					"_UI_PropertyDescriptor_description", "_UI_Transition_redefinedTransition_feature", "_UI_Transition_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				UMLPackage.Literals.TRANSITION__REDEFINED_TRANSITION, true,
				false, true, null, null, null));
	}

	/**
	 * This adds a property descriptor for the Guard feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addGuardPropertyDescriptor(Object object) {
		itemPropertyDescriptors
			.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory) adapterFactory)
					.getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_Transition_guard_feature"), //$NON-NLS-1$
				getString(
					"_UI_PropertyDescriptor_description", "_UI_Transition_guard_feature", "_UI_Transition_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				UMLPackage.Literals.TRANSITION__GUARD, true, false, true, null,
				null, new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
				}));
	}

	/**
	 * This adds a property descriptor for the Effect feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addEffectPropertyDescriptor(Object object) {
		itemPropertyDescriptors
			.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory) adapterFactory)
					.getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_Transition_effect_feature"), //$NON-NLS-1$
				getString(
					"_UI_PropertyDescriptor_description", "_UI_Transition_effect_feature", "_UI_Transition_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				UMLPackage.Literals.TRANSITION__EFFECT, true, false, true,
				null, null,
				new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
				}));
	}

	/**
	 * This adds a property descriptor for the Trigger feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addTriggerPropertyDescriptor(Object object) {
		itemPropertyDescriptors
			.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory) adapterFactory)
					.getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_Transition_trigger_feature"), //$NON-NLS-1$
				getString(
					"_UI_PropertyDescriptor_description", "_UI_Transition_trigger_feature", "_UI_Transition_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				UMLPackage.Literals.TRANSITION__TRIGGER, true, false, true,
				null, null,
				new String[]{"org.eclipse.ui.views.properties.expert" //$NON-NLS-1$
				}));
	}

	/**
	 * This adds a property descriptor for the Source feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addSourcePropertyDescriptor(Object object) {
		itemPropertyDescriptors
			.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory) adapterFactory)
					.getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_Transition_source_feature"), //$NON-NLS-1$
				getString(
					"_UI_PropertyDescriptor_description", "_UI_Transition_source_feature", "_UI_Transition_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				UMLPackage.Literals.TRANSITION__SOURCE, true, false, true,
				null, 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
	 */
	public Collection getChildrenFeatures(Object object) {
		if (childrenFeatures == null) {
			super.getChildrenFeatures(object);
			childrenFeatures.add(UMLPackage.Literals.TRANSITION__GUARD);
			childrenFeatures.add(UMLPackage.Literals.TRANSITION__EFFECT);
			childrenFeatures.add(UMLPackage.Literals.TRANSITION__TRIGGER);
		}
		return childrenFeatures;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	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 Transition_{kind}.gif.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public Object getImage(Object object) {
		return overlayImage(
			object,
			getResourceLocator()
				.getImage(
					"full/obj16/Transition_" + ((Transition) object).getKind().getName())); //$NON-NLS-1$
	}

	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public String getText(Object object) {
		return appendLabel(
			appendType(appendKeywords(new StringBuffer(), object),
				"_UI_Transition_type"), object).toString(); //$NON-NLS-1$
	}

	/**
	 * 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
	 */
	public void notifyChanged(Notification notification) {
		updateChildren(notification);

		switch (notification.getFeatureID(Transition.class)) {
			case UMLPackage.TRANSITION__IS_LEAF :
			case UMLPackage.TRANSITION__KIND :
				fireNotifyChanged(new ViewerNotification(notification,
					notification.getNotifier(), false, true));
				return;
			case UMLPackage.TRANSITION__GUARD :
			case UMLPackage.TRANSITION__EFFECT :
			case UMLPackage.TRANSITION__TRIGGER :
				fireNotifyChanged(new ViewerNotification(notification,
					notification.getNotifier(), true, false));
				return;
		}
		super.notifyChanged(notification);
	}

	/**
	 * This adds to the collection of {@link org.eclipse.emf.edit.command.CommandParameter}s
	 * describing all of the children that can be created under this object.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void collectNewChildDescriptors(Collection newChildDescriptors,
			Object object) {
		super.collectNewChildDescriptors(newChildDescriptors, object);

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

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

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

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

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

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

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

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

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

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

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

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

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

		boolean qualify = childFeature == UMLPackage.Literals.NAMESPACE__OWNED_RULE
			|| childFeature == UMLPackage.Literals.TRANSITION__GUARD;

		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);
	}

	/**
	 * Return the resource locator for this item provider's resources.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ResourceLocator getResourceLocator() {
		return UMLEditPlugin.INSTANCE;
	}

	/**
	 * @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
	 */
	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.TRANSITION__GUARD},
				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, org.eclipse.emf.ecore.EObject, java.util.Collection)
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected Command createReplaceCommand(EditingDomain domain, EObject owner,
			EStructuralFeature feature, EObject value, Collection collection) {
		if (feature == UMLPackage.Literals.NAMESPACE__OWNED_RULE) {
			return new SubsetSupersetReplaceCommand(
				domain,
				owner,
				feature,
				null,
				new EStructuralFeature[]{UMLPackage.Literals.TRANSITION__GUARD},
				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
	 */
	protected Command createSetCommand(EditingDomain domain, EObject owner,
			EStructuralFeature feature, Object value) {
		if (feature == UMLPackage.Literals.TRANSITION__GUARD) {
			return new SubsetSupersetSetCommand(
				domain,
				owner,
				feature,
				new EStructuralFeature[]{UMLPackage.Literals.NAMESPACE__OWNED_RULE},
				null, value);
		}
		return super.createSetCommand(domain, owner, feature, value);
	}

}