plugins/org.eclipse.emf.cdo.examples.installer/examples/org.gastro.inventory.edit/src/org/gastro/inventory/provider/MenuCardItemProvider.java

/*
 * Copyright (c) 2009-2012, 2015 Eike Stepper (Berlin, Germany) 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:
 *    Eike Stepper - initial API and implementation
 *
 *  Initial Publication:
 *    Eclipse Magazin - http://www.eclipse-magazin.de
 */
package org.gastro.inventory.provider;

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.EStructuralFeature;
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.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.gastro.inventory.InventoryFactory;
import org.gastro.inventory.InventoryPackage;
import org.gastro.inventory.MenuCard;

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

/**
 * This is the item provider adapter for a {@link org.gastro.inventory.MenuCard} object. <!-- begin-user-doc --> <!--
 * end-user-doc -->
 *
 * @generated
 */
public class MenuCardItemProvider 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 MenuCardItemProvider(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);

      addTitlePropertyDescriptor(object);
    }
    return itemPropertyDescriptors;
  }

  /**
   * This adds a property descriptor for the Title feature. <!-- begin-user-doc --> <!-- end-user-doc -->
   *
   * @generated
   */
  protected void addTitlePropertyDescriptor(Object object)
  {
    itemPropertyDescriptors
        .add(createItemPropertyDescriptor(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
            getResourceLocator(), getString("_UI_MenuCard_title_feature"),
            getString("_UI_PropertyDescriptor_description", "_UI_MenuCard_title_feature", "_UI_MenuCard_type"),
            InventoryPackage.Literals.MENU_CARD__TITLE, 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(InventoryPackage.Literals.MENU_CARD__SECTIONS);
    }
    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);
  }

  /**
   * <!-- begin-user-doc --> <!-- end-user-doc -->
   *
   * @generated
   */
  @Override
  public boolean hasChildren(Object object)
  {
    return hasChildren(object, true);
  }

  /**
   * This returns MenuCard.gif. <!-- begin-user-doc --> <!-- end-user-doc -->
   *
   * @generated
   */
  @Override
  public Object getImage(Object object)
  {
    return overlayImage(object, getResourceLocator().getImage("full/obj16/MenuCard"));
  }

  /**
   * <!-- 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)
  {
    String label = ((MenuCard)object).getTitle();
    return label == null || label.length() == 0 ? getString("_UI_MenuCard_type") : label;
  }

  /**
   * 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(MenuCard.class))
    {
    case InventoryPackage.MENU_CARD__TITLE:
      fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
      return;
    case InventoryPackage.MENU_CARD__SECTIONS:
      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(InventoryPackage.Literals.MENU_CARD__SECTIONS,
        InventoryFactory.eINSTANCE.createSection()));
  }

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

}