EPackageItemProvider.java

/**
 * Copyright (c) 2002-2006 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
 */
package org.eclipse.emf.ecore.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.EPackage;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.EcoreFactory;
import org.eclipse.emf.ecore.EcorePackage;
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;

/**
 * This is the item provider adapter for a {@link org.eclipse.emf.ecore.EPackage} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class EPackageItemProvider
  extends ENamedElementItemProvider
{
  /**
   * This constructs an instance from a factory and a notifier.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public EPackageItemProvider(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);

      addNsURIPropertyDescriptor(object);
      addNsPrefixPropertyDescriptor(object);
      addEFactoryInstancePropertyDescriptor(object);
    }
    return itemPropertyDescriptors;
  }

  /**
   * This adds a property descriptor for the Ns URI feature.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  protected void addNsURIPropertyDescriptor(Object object)
  {
    itemPropertyDescriptors.add
      (createItemPropertyDescriptor
        (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
         getResourceLocator(),
         getString("_UI_EPackage_nsURI_feature"),
         getString("_UI_EPackage_nsURI_description"),
         EcorePackage.Literals.EPACKAGE__NS_URI,
         true,
         false,
         false,
         ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
         null,
         null));
  }

  /**
   * This adds a property descriptor for the Ns Prefix feature.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  protected void addNsPrefixPropertyDescriptor(Object object)
  {
    itemPropertyDescriptors.add
      (createItemPropertyDescriptor
        (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
         getResourceLocator(),
         getString("_UI_EPackage_nsPrefix_feature"),
         getString("_UI_EPackage_nsPrefix_description"),
         EcorePackage.Literals.EPACKAGE__NS_PREFIX,
         true,
         false,
         false,
         ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
         null,
         null));
  }

  /**
   * This adds a property descriptor for the EFactory Instance feature.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  protected void addEFactoryInstancePropertyDescriptor(Object object)
  {
    itemPropertyDescriptors.add
      (createItemPropertyDescriptor
        (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
         getResourceLocator(),
         getString("_UI_EPackage_eFactoryInstance_feature"),
         getString("_UI_EPackage_eFactoryInstance_description"),
         EcorePackage.Literals.EPACKAGE__EFACTORY_INSTANCE,
         false,
         false,
         false,
         null,
         null,
         new String[] {
          "org.eclipse.ui.views.properties.expert"
         }));
  }

  /**
   * 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(EcorePackage.Literals.EPACKAGE__ECLASSIFIERS);
      childrenFeatures.add(EcorePackage.Literals.EPACKAGE__ESUBPACKAGES);
    }
    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 EPackage.gif.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public Object getImage(Object object)
  {
    return overlayImage(object, getResourceLocator().getImage("full/obj16/EPackage"));
  }

  /**
   * This returns the label text for the adapted class.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated NOT
   */
  @Override
  public String getText(Object object)
  {
    EPackage ePackage = (EPackage)object;
    StringBuffer stringBuffer = new StringBuffer();
    stringBuffer.append(ePackage.getName());
    return stringBuffer.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(EPackage.class))
    {
      case EcorePackage.EPACKAGE__NS_URI:
      case EcorePackage.EPACKAGE__NS_PREFIX:
      case EcorePackage.EPACKAGE__EFACTORY_INSTANCE:
        fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
        return;
      case EcorePackage.EPACKAGE__ECLASSIFIERS:
      case EcorePackage.EPACKAGE__ESUBPACKAGES:
        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
        (EcorePackage.Literals.EPACKAGE__ECLASSIFIERS,
         EcoreFactory.eINSTANCE.createEClass()));

    newChildDescriptors.add
      (createChildParameter
        (EcorePackage.Literals.EPACKAGE__ECLASSIFIERS,
         EcoreFactory.eINSTANCE.createEDataType()));

    newChildDescriptors.add
      (createChildParameter
        (EcorePackage.Literals.EPACKAGE__ECLASSIFIERS,
         EcoreFactory.eINSTANCE.createEEnum()));

    newChildDescriptors.add
      (createChildParameter
        (EcorePackage.Literals.EPACKAGE__ESUBPACKAGES,
         EcoreFactory.eINSTANCE.createEPackage()));
  }

}