/*
 * 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.ruta.ide.ui.console;

import org.eclipse.debug.core.DebugException;
import org.eclipse.dltk.core.DLTKCore;
import org.eclipse.dltk.debug.core.model.IScriptValue;
import org.eclipse.dltk.debug.core.model.IScriptVariable;
import org.eclipse.dltk.debug.ui.actions.ViewFilterAction;
import org.eclipse.jface.viewers.Viewer;

/**
 * Shows non-final static variables
 */
public class ShowFunctionsAction extends ViewFilterAction {

  public ShowFunctionsAction() {
    super();
  }

  @Override
  protected String getPreferenceKey() {
    return "show_functions";
  }

  @Override
  public boolean select(Viewer viewer, Object parentElement, Object element) {
    if (element instanceof IScriptVariable) {
      IScriptVariable variable = (IScriptVariable) element;
      try {
        return !((IScriptValue) variable.getValue()).getType().getName().equals("function");
      } catch (DebugException e) {
        if (DLTKCore.DEBUG) {
          e.printStackTrace();
        }
      }
    }
    return true;
  }
}
