/*
 * 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: PackageableElementItemProvider.java,v 1.5 2006/05/15 21:06:21 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.uml2.common.edit.command.SubsetSupersetSetCommand;

import org.eclipse.uml2.uml.PackageableElement;
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.PackageableElement} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class PackageableElementItemProvider
		extends NamedElementItemProvider
		implements IEditingDomainItemProvider, IStructuredItemContentProvider,
		ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource {

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

			addOwningTemplateParameterPropertyDescriptor(object);
			addTemplateParameterPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

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

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

	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public String getText(Object object) {
		String label = ((PackageableElement) object).getName();
		return label == null || label.length() == 0
			? getString("_UI_PackageableElement_type") : //$NON-NLS-1$
			getString("_UI_PackageableElement_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
	 */
	public void notifyChanged(Notification notification) {
		updateChildren(notification);
		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);
	}

	/**
	 * 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#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.PARAMETERABLE_ELEMENT__OWNING_TEMPLATE_PARAMETER) {
			return new SubsetSupersetSetCommand(
				domain,
				owner,
				feature,
				new EStructuralFeature[]{UMLPackage.Literals.PARAMETERABLE_ELEMENT__TEMPLATE_PARAMETER},
				null, value);
		}
		if (feature == UMLPackage.Literals.PARAMETERABLE_ELEMENT__TEMPLATE_PARAMETER) {
			return new SubsetSupersetSetCommand(
				domain,
				owner,
				feature,
				null,
				new EStructuralFeature[]{UMLPackage.Literals.PARAMETERABLE_ELEMENT__OWNING_TEMPLATE_PARAMETER},
				value);
		}
		return super.createSetCommand(domain, owner, feature, value);
	}

}