code: /*--------------------------------------------------------------*
    Copyright (C) 2006-2020 OpenSim Ltd.
  
    This file is distributed WITHOUT ANY WARRANTY. See the file
    'License' for details on this and other legal matters.
  *--------------------------------------------------------------*/
  
  package org.omnetpp.scave.actions;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.eclipse.core.runtime.CoreException;
  import org.eclipse.jface.viewers.ISelection;
  import org.omnetpp.scave.ScaveImages;
  import org.omnetpp.scave.ScavePlugin;
  import org.omnetpp.scave.editors.ScaveEditor;
  import org.omnetpp.scave.model.Chart;
  
  /**
   * Opens the selected chart(s) or chart sheet(s) in the editor.
   */
  public class OpenChartAction extends AbstractScaveAction {
      private int counter = 0;
  
      public OpenChartAction() {
          setText("Open");
          setImageDescriptor(ScavePlugin.getImageDescriptor(ScaveImages.IMG_ETOOL16_PLOT));
          setToolTipText("Open chart(s)");
      }
  
      @Override
      protected void doRun(ScaveEditor scaveEditor, ISelection selection) throws CoreException {
          // collect charts and chartsheets from the selection
          List<Chart> charts = new ArrayList<>();
          for (Object element : asStructuredOrEmpty(selection).toArray()) {
              if (element instanceof Chart)
                  charts.add((Chart)element);
          }
  
          for (Chart c : charts)
              scaveEditor.openPage(c);
      }
  
      @Override
      public boolean isApplicable(ScaveEditor editor, ISelection selection) {
          for (Object element : asStructuredOrEmpty(selection).toArray())
              if (element instanceof Chart)
                  return true;
          return false;
      }
  }
  