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 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.ChartScriptEditor;
  import org.omnetpp.scave.editors.ScaveEditor;
  
  /**
   * Close the current editor page.
   *
   * @author andras
   */
  public class ClosePageAction extends AbstractScaveAction {
  
      public ClosePageAction() {
          setText("Close");
          setDescription("Close current page");
          setImageDescriptor(ScavePlugin.getImageDescriptor(ScaveImages.IMG_ETOOL16_CLOSE));
          setActionDefinitionId("org.omnetpp.scave.editor.CloseChart");
      }
  
      @Override
      protected void doRun(ScaveEditor scaveEditor, ISelection selection) throws CoreException {
          int page = scaveEditor.getActivePage();
          scaveEditor.saveState();
          ChartScriptEditor editor = scaveEditor.getActiveChartScriptEditor();
          if (scaveEditor.askToKeepEditedTemporaryChart(editor)) {
              scaveEditor.applyChartEdits(editor);
              scaveEditor.removePage(page);
          }
      }
  
      @Override
      protected boolean isApplicable(ScaveEditor editor, ISelection selection) {
          return editor.isClosablePage(editor.getActivePage());
      }
  }
  