org.eclipse.osee.framework.ui.skynet/src/org/eclipse/osee/framework/ui/skynet/widgets/AttributeContentProvider.java

/*******************************************************************************
 * Copyright (c) 2004, 2007 Boeing.
 * 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:
 *     Boeing - initial API and implementation
 *******************************************************************************/
package org.eclipse.osee.framework.ui.skynet.widgets;

import java.util.ArrayList;
import java.util.logging.Level;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.skynet.core.artifact.Branch;
import org.eclipse.osee.framework.skynet.core.attribute.AttributeType;
import org.eclipse.osee.framework.skynet.core.attribute.TypeValidityManager;
import org.eclipse.osee.framework.ui.skynet.SkynetGuiPlugin;

/**
 * @author Jeff C. Phillips
 */
public class AttributeContentProvider implements ITreeContentProvider {
   public Object[] getElements(Object inputElement) {
      return getChildren(inputElement);
   }

   public Object[] getChildren(Object parentElement) {
      if (parentElement instanceof Branch) {
         ArrayList<Object> descriptors = new ArrayList<Object>();

         try {
            for (AttributeType descriptor : TypeValidityManager.getValidAttributeTypes((Branch) parentElement)) {
               descriptors.add((Object) descriptor);
            }
         } catch (Exception ex) {
            OseeLog.log(SkynetGuiPlugin.class, Level.SEVERE, ex);
         }
         return descriptors.toArray();

      }
      return null;
   }

   public Object getParent(Object element) {
      return null;
   }

   public boolean hasChildren(Object element) {
      return false;
   }

   public void dispose() {
   }

   public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
   }
}