//package and imports omitted

public class ViewOriginDlgNew extends javax.swing.JDialog {
  //Constructor
  public ViewOriginDlgNew(
    java.awt.Frame parent,
    boolean modal,
    DadDocument docIn )
  {
    super(parent, modal);
    doc = docIn;

    initComponents();
    initVars();
  }

  // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
  private void initComponents() {
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    availableVodComboBox = new javax.swing.JComboBox();
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    availableVodComboBox.setFocusable(false);
    availableVodComboBox.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(java.awt.event.ActionEvent evt) {
        availableVodComboBoxActionPerformed(evt);
      }
    });
                  .
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  }

  private void initVars() {
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      availableVodComboBoxMaintenance = true;
      //Use recommended method for adding items
      MutableComboBoxModel mbm = (MutableComboBoxModel)availableVodComboBox.getModel();
      availableVodComboBox.setModel(mbm);
        //Fill availableVodComboBox
        for( int i = 0; i < doc.getNextVodIndex(); i++ ) {
          VOD tmpVod = doc.getVOD( i );     //Read doc.vodsDefined directly
          int vodNum = tmpVod.getVodNumber();
          String name = makeViewName( vodNum );
          //availableVodComboBox.addItem( vodNum + " " + name );
          mbm.addElement( vodNum + " " + name );
        }
        availableVodComboBox.setSelectedIndex( -1 );
      availableVodComboBoxMaintenance = false;
                  .
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  }

  private void availableVodComboBoxActionPerformed(java.awt.event.ActionEvent evt) {                                                     

    //NOTE: debugger breakpoints in this method lock up the entire linux system!

    if( ! availableVodComboBoxMaintenance ) {
      //Use recommended method for retrieving items
      MutableComboBoxModel mbm = (MutableComboBoxModel)availableVodComboBox.getModel();
      //String tmpS = (String)availableVodComboBox.getSelectedItem();
      String tmpS = (String)mbm.getSelectedItem();

      tmpS = tmpS.substring( 0, tmpS.indexOf( ' ' ) );
      vodNumber = Integer.valueOf( tmpS );
      VOD tmpVod = doc.getVOD( doc.getVodNumberIndex( vodNumber ) );

      //Fill dialog text box values
      vOrg = vRef.plus( tmpVod.getVnrm().unMinus() );

      //Req'd later in okButtonActionPerfomed();
      vOrgX = vOrg.getX();  vOrgY = vOrg.getY();  vOrgZ = vOrg.getZ();

      viewOriginXtext.setText( Double.toString( vOrgX ));
      viewOriginYtext.setText( Double.toString( vOrgY ));
      viewOriginZtext.setText( Double.toString( vOrgZ ));

      vName = makeViewName( vodNumber );
      viewNameText.setText( vName );

      //Fixes null pointer problem in MDI.newView
      if( tmpVod.getXdir() == null )
        tmpVod.setDirectionVecs( vUp, vRef, vOrg );

      //Determine view rotation angle
      Point3 tP = newPoint3( vOrg );
      tP.setY( tP.getY() +1.0 );    //Easier to do than initializing with 3 parameters
    //System.out.println("vRef = " + vRef.getX() + ", " + vRef.getY() + ", " + vRef.getZ() );
    //System.out.println("vOrg = " + vOrg.getX() + ", " + vOrg.getY() + ", " + vOrg.getZ() );
    //System.out.println("tP = " + tP.getX() + ", " + tP.getY() + ", " + tP.getZ() );
      Plane pln = newPlane( vOrg, vRef, tP ),
            viewXZ = newPlane( vOrg, tmpVod.getXdir() );
    //        viewYZ = newPlane( vOrg, tmpVod.getYdir() );
    //System.out.println("pln = " + pln.getA() + ", " + pln.getB() + ", " + pln.getC()  + ", " + pln.getD());
    //System.out.println("viewXZ = " + viewXZ.getA() + ", " + viewXZ.getB() + ", " + viewXZ.getC()  + ", " + viewXZ.getD());
    //System.out.println("viewYZ = " + viewYZ.getA() + ", " + viewYZ.getB() + ", " + viewYZ.getC()  + ", " + viewYZ.getD());

      //double dist  = Double.NaN,
      //       alpha = Double.NaN;
      if( pln.getNormalVector().mag() < EPSILON ) {
        tP.setEq(0, vOrg.getY(), vOrg.getZ() -1);
        pln.setPlaneThrough3Points(vOrg, vRef, tP);
    //System.out.println("tP = " + tP.getX() + ", " + tP.getY() + ", " + tP.getZ() );
    //System.out.println("pln = " + pln.getA() + ", " + pln.getB() + ", " + pln.getC()  + ", " + pln.getD());

        //dist = viewXZ.getPerpDistToPlane( tP );
        //alpha = acos( tmpVod.getXdir().cos( pln.getNormalVector() ));
      }
      //else {
      //  dist = viewXZ.getPerpDistToPlane( tP );
      //  alpha = acos( tmpVod.getXdir().cos( pln.getNormalVector() ));
      //}
      double dist  = viewXZ.getPerpDistToPlane( tP ),
             alpha = acos( tmpVod.getXdir().cos( pln.getNormalVector() ));

    //Vec3 tvodXdir = tmpVod.getXdir(),
    //     tvodYdir = tmpVod.getYdir(),
    //     plnNrmVec = pln.getNormalVector();
    //System.out.println("tvodXdir = " + tvodXdir.getX() + ", " + tvodXdir.getY() + ", " + tvodXdir.getZ() );
    //System.out.println("tvodYdir = " + tvodYdir.getX() + ", " + tvodYdir.getY() + ", " + tvodYdir.getZ() );
    //System.out.println("plnNrmVec = " + plnNrmVec.getX() + ", " + plnNrmVec.getY() + ", " + plnNrmVec.getZ() );

    //System.out.println("dist = " + dist );
    //System.out.println("alpha = " + alpha );
      if( dist > 0.0 )
        alpha = TWOPI -alpha;     //Original code just negated alpha

      //Set textbox value for rotation angle
      viewRotationText.setText( Double.toString( alpha * 180.0 / PI ) );

      //Calc angleAboutX and angleAboutZ then set the textbox values
      if( calcAngleAboutXandZ() ) {
        setAngleTextfieldText();
        setTestVod( vodNumber );
        previewPanel.repaint();
      }
    }
  }                                                    

  private void handleRadioButtonAction( int vNum ) {
    availableVodComboBoxMaintenance = true;
      //Use recommended method for adding items
      MutableComboBoxModel mbm = (MutableComboBoxModel)availableVodComboBox.getModel();
      //availableVodComboBox.setSelectedIndex( -1 );
      mbm.setSelectedItem(null);
    availableVodComboBoxMaintenance = false;
    vRot = 0.0;
    vUp.setEq( 0.0, 1.0, 0.0 );
    setVorgVname();
    if( ! limitRadioButtonAction ) {
      setVorgXYZandAngleAboutXandZ();
      setTestVod( vNum );
      previewPanel.repaint();
    }
  }

  // Variables declaration - do not modify                     
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  private javax.swing.JComboBox availableVodComboBox;
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  // End of variables declaration                   

  //My Vars
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  private boolean availableVodComboBoxMaintenance;
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}