/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.uima.caseditor.editor.fsview;

import org.apache.uima.caseditor.editor.CasEditorView;
import org.apache.uima.caseditor.editor.ICasDocument;
import org.apache.uima.caseditor.editor.ICasEditor;
import org.eclipse.ui.part.IPageBookViewPage;


/**
 * The Feature Structure Browser View displays a list of feature structures which
 * belong to the selected type.
 */
public final class FeatureStructureBrowserView extends CasEditorView {
  /**
   * The ID of the feature structure view.
   */
  public static final String ID = "org.apache.uima.caseditor.fsview";

  /**
   * Instantiates a new feature structure browser view.
   */
  public FeatureStructureBrowserView() {
    super("The instance view is currently not available.");
  }

  @Override
  protected IPageBookViewPage doCreatePage(ICasEditor editor) {

    IPageBookViewPage result = null;

    ICasDocument document = editor.getDocument();

    if (document != null) {
      result = new FeatureStructureBrowserViewPage(editor);
    }

    return result;
  }
}