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.matplotlib;
  
  import org.eclipse.core.runtime.CoreException;
  import org.eclipse.jface.viewers.ISelection;
  import org.eclipse.ui.ISharedImages;
  import org.eclipse.ui.PlatformUI;
  import org.omnetpp.scave.actions.AbstractScaveAction;
  import org.omnetpp.scave.editors.ChartScriptEditor;
  import org.omnetpp.scave.editors.ScaveEditor;
  
  public class ForwardAction extends AbstractScaveAction {
      public ForwardAction() {
          setText("Forward");
          setImageDescriptor(
                  PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_TOOL_FORWARD));
      }
  
      @Override
      protected void doRun(ScaveEditor scaveEditor, ISelection selection) throws CoreException {
          ChartScriptEditor editor = scaveEditor.getActiveChartScriptEditor();
          if (editor != null)
              editor.getMatplotlibChartViewer().forward();
      }
  
      @Override
      protected boolean isApplicable(ScaveEditor scaveEditor, ISelection selection) {
          ChartScriptEditor editor = scaveEditor.getActiveChartScriptEditor();
          return editor != null && editor.isPythonProcessAlive();
      }
  }