ReqSpecOutlineTreeProvider.java

/**
 * Copyright (c) 2004-2025 Carnegie Mellon University and others. (see Contributors file).
 * All Rights Reserved.
 * 
 * NO WARRANTY. ALL MATERIAL IS FURNISHED ON AN "AS-IS" BASIS. CARNEGIE MELLON UNIVERSITY MAKES NO WARRANTIES OF ANY
 * KIND, EITHER EXPRESSED OR IMPLIED, AS TO ANY MATTER INCLUDING, BUT NOT LIMITED TO, WARRANTY OF FITNESS FOR PURPOSE
 * OR MERCHANTABILITY, EXCLUSIVITY, OR RESULTS OBTAINED FROM USE OF THE MATERIAL. CARNEGIE MELLON UNIVERSITY DOES NOT
 * MAKE ANY WARRANTY OF ANY KIND WITH RESPECT TO FREEDOM FROM PATENT, TRADEMARK, OR COPYRIGHT INFRINGEMENT.
 * 
 * This program and the accompanying materials are made available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Created, in part, with funding and support from the United States Government. (see Acknowledgments file).
 * 
 * This program includes and/or can make use of certain third party source code, object code, documentation and other
 * files ("Third Party Software"). The Third Party Software that is used by this program is dependent upon your system
 * configuration. By using this program, You agree to comply with any and all relevant Third Party Software terms and
 * conditions contained in any such Third Party Software or separate license file distributed with such Third Party
 * Software. The parties who own the Third Party Software ("Third Party Licensors") are intended third party benefici-
 * aries to this license with respect to the terms applicable to their Third Party Software. Third Party Software li-
 * censes only apply to the Third Party Software and not any other portion of this program or this program as a whole.
 */
package org.osate.reqspec.ui.outline;

import java.util.function.Consumer;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.swt.graphics.Image;
import org.eclipse.xtext.ui.editor.outline.IOutlineNode;
import org.eclipse.xtext.ui.editor.outline.impl.DefaultOutlineTreeProvider;
import org.osate.alisa.common.common.Description;
import org.osate.alisa.common.common.DescriptionElement;
import org.osate.alisa.common.util.CommonUtilExtension;

/**
 * Customization of the default outline structure.
 * 
 * see http://www.eclipse.org/Xtext/documentation.html#outline
 */
@SuppressWarnings("all")
public class ReqSpecOutlineTreeProvider extends DefaultOutlineTreeProvider {
  @Override
  public void _createChildren(final IOutlineNode parentNode, final EObject modelElement) {
    final Consumer<EObject> _function = (EObject childElement) -> {
      boolean _isInstance = DescriptionElement.class.isInstance(childElement);
      boolean _not = (!_isInstance);
      if (_not) {
        this.createNode(parentNode, childElement);
      }
    };
    modelElement.eContents().forEach(_function);
  }

  @Override
  public void _createNode(final IOutlineNode parentNode, final EObject modelElement) {
    Object text = this.textDispatcher.invoke(modelElement);
    final Boolean isLeaf = this.isLeafDispatcher.invoke(modelElement);
    if (((text == null) && (isLeaf).booleanValue())) {
      return;
    }
    if (((text == null) && Description.class.isInstance(modelElement))) {
      text = CommonUtilExtension.toText(((Description) modelElement), null);
    }
    final Image image = this.imageDispatcher.invoke(modelElement);
    this.createEObjectNode(parentNode, modelElement, image, text, (isLeaf).booleanValue());
  }
}