Program: 180463
Project: 180463
Buggy source:
public JPanel getOptionsPanel(){
  ButtonGroup buttonGroup=new ButtonGroup();
  JPanel viewPanel=new JPanel(new GridLayout(4,1));
  viewPanel.setBorder(BorderFactory.createTitledBorder("String_Node_Str"));
  ChangeViewListener changeViewListener=new ChangeViewListener(this);
  JRadioButton fullView=new JRadioButton("String_Node_Str");
  fullView.addActionListener(changeViewListener);
  viewPanel.add(fullView);
  buttonGroup.add(fullView);
  JRadioButton collapsedPeerView=new JRadioButton("String_Node_Str");
  collapsedPeerView.addActionListener(changeViewListener);
  viewPanel.add(collapsedPeerView);
  buttonGroup.add(collapsedPeerView);
  JRadioButton collapsedDocumentView=new JRadioButton("String_Node_Str");
  collapsedDocumentView.addActionListener(changeViewListener);
  viewPanel.add(collapsedDocumentView);
  buttonGroup.add(collapsedDocumentView);
  JRadioButton collapsedPeerAndDocumentView=new JRadioButton("String_Node_Str");
  collapsedPeerAndDocumentView.addActionListener(changeViewListener);
  viewPanel.add(collapsedPeerAndDocumentView);
  buttonGroup.add(collapsedPeerAndDocumentView);
  if (getName().equals(fullView.getText())) {
    fullView.setSelected(true);
  }
 else   if (getName().equals(collapsedPeerView.getText())) {
    collapsedPeerView.setSelected(true);
  }
 else   if (getName().equals(collapsedDocumentView.getText())) {
    collapsedDocumentView.setSelected(true);
  }
 else   if (getName().equals(collapsedPeerAndDocumentView.getText())) {
    collapsedPeerAndDocumentView.setSelected(true);
  }
  JPanel visualInfo=new JPanel(new GridLayout(1,1));
  visualInfo.setBorder(BorderFactory.createTitledBorder("String_Node_Str"));
  JCheckBox scaleButton=new JCheckBox("String_Node_Str");
  scaleButton.addActionListener(new ActionListener(){
    @Override public void actionPerformed(    ActionEvent ae){
      Transformer<P2PVertex,Shape> shapeTransformer=getRenderContext().getVertexShapeTransformer();
      if (shapeTransformer.getClass().equals(P2PVertexShapeTransformer.class)) {
        P2PVertexShapeTransformer<P2PVertex,P2PConnection> scalableTransformer=(P2PVertexShapeTransformer<P2PVertex,P2PConnection>)shapeTransformer;
        if (((JCheckBox)ae.getSource()).isSelected()) {
          scalableTransformer.setScaling(true);
        }
 else {
          scalableTransformer.setScaling(false);
        }
      }
      repaint();
    }
  }
);
  visualInfo.add(scaleButton);
  JPanel optionsPanel=new JPanel(new BorderLayout());
  optionsPanel.add(viewPanel,BorderLayout.NORTH);
  optionsPanel.add(visualInfo,BorderLayout.CENTER);
  return optionsPanel;
}

Fixed version (ground truth):
public JPanel getOptionsPanel(){
  ButtonGroup buttonGroup=new ButtonGroup();
  JPanel viewPanel=new JPanel(new GridLayout(4,1));
  viewPanel.setBorder(BorderFactory.createTitledBorder("String_Node_Str"));
  ChangeViewListener changeViewListener=new ChangeViewListener(this);
  JRadioButton fullView=new JRadioButton("String_Node_Str");
  fullView.addActionListener(changeViewListener);
  viewPanel.add(fullView);
  buttonGroup.add(fullView);
  JRadioButton collapsedPeerView=new JRadioButton("String_Node_Str");
  collapsedPeerView.addActionListener(changeViewListener);
  viewPanel.add(collapsedPeerView);
  buttonGroup.add(collapsedPeerView);
  JRadioButton collapsedDocumentView=new JRadioButton("String_Node_Str");
  collapsedDocumentView.addActionListener(changeViewListener);
  viewPanel.add(collapsedDocumentView);
  buttonGroup.add(collapsedDocumentView);
  JRadioButton collapsedPeerAndDocumentView=new JRadioButton("String_Node_Str");
  collapsedPeerAndDocumentView.addActionListener(changeViewListener);
  viewPanel.add(collapsedPeerAndDocumentView);
  buttonGroup.add(collapsedPeerAndDocumentView);
  if (getName().equals(fullView.getText())) {
    fullView.setSelected(true);
  }
 else   if (getName().equals(collapsedPeerView.getText())) {
    collapsedPeerView.setSelected(true);
  }
 else   if (getName().equals(collapsedDocumentView.getText())) {
    collapsedDocumentView.setSelected(true);
  }
 else   if (getName().equals(collapsedPeerAndDocumentView.getText())) {
    collapsedPeerAndDocumentView.setSelected(true);
  }
  JPanel visualInfo=new JPanel(new GridLayout(1,1));
  visualInfo.setBorder(BorderFactory.createTitledBorder("String_Node_Str"));
  JCheckBox scaleButton=new JCheckBox("String_Node_Str");
  scaleButton.addActionListener(new ActionListener(){
    @Override public void actionPerformed(    ActionEvent ae){
      setScaling(((JCheckBox)ae.getSource()).isSelected());
    }
  }
);
  visualInfo.add(scaleButton);
  JPanel optionsPanel=new JPanel(new BorderLayout());
  optionsPanel.add(viewPanel,BorderLayout.NORTH);
  optionsPanel.add(visualInfo,BorderLayout.CENTER);
  return optionsPanel;
}