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/**
 * 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 v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 * 
 * Contributors: 
 *   IBM - Initial API and implementation
 */
package org.eclipse.xsd.provider;


import java.util.List;

import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
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;


/**
 * This is the item provider adpater for a {@link org.eclipse.xsd.XSDNamedComponent} object.
 */
public class XSDNamedComponentItemProvider
  extends XSDComponentItemProvider
  implements 
    IEditingDomainItemProvider,
    IStructuredItemContentProvider, 
    ITreeItemContentProvider, 
    IItemLabelProvider, 
    IItemPropertySource
{
  /**
   * This constructs an instance from a factory and a notifier.
   */
  public XSDNamedComponentItemProvider(AdapterFactory adapterFactory)
  {
    super(adapterFactory);
  }

  /**
   * This returns the property descriptors for the adapted class.
   */
  @Override
  public List getPropertyDescriptors(Object object)
  {
    if (itemPropertyDescriptors == null)
    {
      super.getPropertyDescriptors(object);
      createNamePropertyDescriptor(object);
      createTargetNamespacePropertyDescriptor(object);
    }

    return itemPropertyDescriptors;
  }

  protected void createNamePropertyDescriptor(Object object)
  {
    // This is for the name feature.
    //
    itemPropertyDescriptors.add
      (new ItemPropertyDescriptor
        (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
         XSDEditPlugin.INSTANCE.getString("_UI_Name_label"),
         XSDEditPlugin.INSTANCE.getString("_UI_Name_description"),
         xsdPackage.getXSDNamedComponent_Name(),
         true,
         ItemPropertyDescriptor.TEXT_VALUE_IMAGE));
  }

  protected void createTargetNamespacePropertyDescriptor(Object object)
  {
    // This is for the targetNamespace feature.
    //
    itemPropertyDescriptors.add
      (new ItemPropertyDescriptor
        (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
         XSDEditPlugin.INSTANCE.getString("_UI_TargetNamespace_label"),
         XSDEditPlugin.INSTANCE.getString("_UI_TargetNamespace_description"),
         xsdPackage.getXSDNamedComponent_TargetNamespace(),
         true,
         ItemPropertyDescriptor.TEXT_VALUE_IMAGE));
  }

  /**
   * This handles notification by calling {@link #fireNotifyChanged fireNotifyChanged}.
   */
  @Override
  public void notifyChanged(Notification msg) 
  {
    if (
         msg.getFeature() == xsdPackage.getXSDNamedComponent_Name() || 
         msg.getFeature() == xsdPackage.getXSDNamedComponent_TargetNamespace()
       )
    {
      fireNotifyChanged(msg);
      return;
    }
    super.notifyChanged(msg);
  }
}