plugins/org.eclipse.oomph.setup.jdt.edit/src/org/eclipse/oomph/setup/jdt/provider/JRELibraryItemProvider.java

/*
 * Copyright (c) 2017 Adrian Price and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 *
 * Contributors:
 *    Adrian Price <aprice@tibco.com> - initial API and implementation
 */
package org.eclipse.oomph.setup.jdt.provider;

import org.eclipse.oomph.setup.jdt.JDTPackage;
import org.eclipse.oomph.setup.jdt.JRELibrary;
import org.eclipse.oomph.util.StringUtil;

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

/**
 * This is the item provider adapter for a {@link org.eclipse.oomph.setup.jdt.JRELibrary} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class JRELibraryItemProvider 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 JRELibraryItemProvider(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);

      addLibraryPathPropertyDescriptor(object);
      addExternalAnnotationsPathPropertyDescriptor(object);
    }
    return itemPropertyDescriptors;
  }

  /**
   * This adds a property descriptor for the Library Path feature.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  protected void addLibraryPathPropertyDescriptor(Object object)
  {
    itemPropertyDescriptors.add(createItemPropertyDescriptor(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(), getResourceLocator(),
        getString("_UI_JRELibrary_libraryPath_feature"),
        getString("_UI_PropertyDescriptor_description", "_UI_JRELibrary_libraryPath_feature", "_UI_JRELibrary_type"),
        JDTPackage.Literals.JRE_LIBRARY__LIBRARY_PATH, true, false, false, ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
  }

  /**
   * This adds a property descriptor for the External Annotations Path feature.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  protected void addExternalAnnotationsPathPropertyDescriptor(Object object)
  {
    itemPropertyDescriptors.add(createItemPropertyDescriptor(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(), getResourceLocator(),
        getString("_UI_JRELibrary_externalAnnotationsPath_feature"),
        getString("_UI_PropertyDescriptor_description", "_UI_JRELibrary_externalAnnotationsPath_feature", "_UI_JRELibrary_type"),
        JDTPackage.Literals.JRE_LIBRARY__EXTERNAL_ANNOTATIONS_PATH, true, false, false, ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
  }

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

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

  /**
   * <!-- 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)
  {
    JRELibrary jreLibrary = (JRELibrary)object;
    String libraryPath = jreLibrary.getLibraryPath();
    if (StringUtil.isEmpty(libraryPath))
    {
      return getString("_UI_JRELibrary_type");
    }

    String label = libraryPath;

    String externalAnnotationsPath = jreLibrary.getExternalAnnotationsPath();
    if (externalAnnotationsPath != null)
    {
      if (externalAnnotationsPath.length() == 0)
      {
        label += " ~ \"\"";
      }
      else
      {
        label += " ~ " + externalAnnotationsPath;
      }
    }
    return 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(JRELibrary.class))
    {
      case JDTPackage.JRE_LIBRARY__LIBRARY_PATH:
      case JDTPackage.JRE_LIBRARY__EXTERNAL_ANNOTATIONS_PATH:
        fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
        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);
  }

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

}