package ExV;

import javax.swing.*;
import javax.swing.event.*;
import javax.swing.tree.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import java.net.*;
import java.io.*;


public class ExpertPanel extends javax.swing.JPanel implements ActionListener, TreeSelectionListener, TreeExpansionListener, TreeWillExpandListener{

    /** Creates new form ExpertPanel */
   public ExpertPanel() {
      initComponents ();
   }
   
    // Variables declaration - do not modify
   public ExV applet;

   boolean debug = false;
   String hostname = null;
   DatagramSocket socket = null;
   InetAddress remoteA = null;
   int remotePort = 9999;
   Object lastWidget=null;

   JTree tree, treeOrg;
   Experts tr;
   DefaultListModel model, modelORG, orgsModel;
   MyJList testersList, developersList, orgsList;
   LoginDetail ld;
   ModuleDetail md;
   boolean ignoreEvent = false;
   
   PersonChanged personChanged = new PersonChanged (this);
   OrgChanged orgChanged = new OrgChanged (this);

  private void initComponents () {
    setLayout (new java.awt.BorderLayout ());

  }
   
 public void empty (){
      removeNotify();
      removeAll();

      tr=null;
      
      tree=null;
      treeOrg=null;
      
      model.clear();
      modelORG.clear();
      orgsModel.clear();
      
      testersList=null;
      developersList=null;
      orgsList=null;
      
      ld=null;
      md=null;
      applet=null;
   }
   
      
  public void actionPerformed (ActionEvent e){
    if (ignoreEvent) return;
    if (e.getSource() instanceof JButton){
       String email=((JButton)(e.getSource())) .getText ();
       if (email .startsWith ("Supervisor: ")){
          email = email .substring (12);
       }
       String ss [] = new String [1];
       ss [0] = email;
       if (applet != null){
          if (email .indexOf ("@") > 0)
             applet .run ("mailto", ss);
          else
             applet .run ("post", ss);
       }
    } else {
      String type = ((MyJComboBox)e.getSource()) .type;
      String login = (String)(((MyJComboBox)e.getSource()) .getSelectedItem ());
      System.out.println (type + ":" + login);
      ListSelectionEvent el = new ListSelectionEvent (e.getSource(), 0, 0, false);

      lastWidget = e .getSource ();

      if (type .equals ("login")){
        personChanged (login);
      }
      if (type .equals ("org")){
        orgChanged (login);
      }
      if (type .equals ("module")){
        moduleChanged (login);
      }
    }
  }

  public void record (String type){
    if (!debug) return;
    // send time, action type, widget, and version
    String res = System .currentTimeMillis() +";"+ type +";"+ lastWidget .getClass () +";"+ 1;
    System .out .println (res);
    byte dpbuf [] = res .getBytes ();
    //for (in i = 0; i < dpbuf1 .length; i++) dpbuf [i] = dpbuf1 [i];
    DatagramPacket dp = new DatagramPacket (dpbuf, dpbuf .length, remoteA, remotePort);
    try {
      //socket .setSendBufferSize (dp.getLength());
      //System .out .println ("buffer size:"+socket .getSendBufferSize());
      socket .send (dp);
      System .out .println ("Sent:"+dp.getLength());
    }catch (Exception e){
      System.err.println ("Exception:" + e);
    }
  }

  public void orgChanged (String org){
    ignoreEvent=true;

    record ("O;"+org);

    unselectNodes ();

    Enumeration en = null;
    // if org list generated the event select appropriate developers
    // and testers in dev and test lists


    /////////////////////////////////////////
    //need to get a root node for any data!!!

//    ModInfo mi = (ModInfo) ((DefaultMutableTreeNode) tr .nodes .get ("/bcfn:0")) .getUserObject();
    ModInfo mi = (ModInfo) ((DefaultMutableTreeNode) tr .bcf .getRoot ()) .getUserObject();
    /////////////////////////////////////////


    //set selections for dev list
    developersList .clearSelection ();
    testersList .clearSelection ();
    int i = 0;
    Vector v = new Vector ();
    for (Enumeration ee = model .elements (); ee .hasMoreElements() ; i++){
      String hrid = mi .hridForLogin ((new StringTokenizer ((String)(ee .nextElement()), ":")) .nextToken ());
      if (hrid != null && tr .hrid2org .get (hrid) != null &&
      ((String) tr .hrid2org .get (hrid)) .compareTo (org) == 0)
      v .addElement (new Integer (i));
    }
    int sel [] = new int [v .size ()];
    for (i =0; i < sel .length; i++) sel [i] = ((Integer)v .elementAt (i)) .intValue ();
    developersList .setSelectedIndices (sel);


    //set selections for tester list
    i = 0;
    v = new Vector ();
    for (Enumeration ee = modelORG .elements (); ee .hasMoreElements() ; i++){
      String hrid = mi .hridForLogin ((new StringTokenizer ((String)(ee .nextElement()), ":")) .nextToken ());
      if (hrid != null && tr .hrid2org .get (hrid) != null &&
      ((String) tr .hrid2org .get (hrid)) .compareTo (org) == 0)
      v .addElement (new Integer (i));
    }
    sel = new int [v .size ()];
    for (i =0; i < sel .length; i++) sel [i] = ((Integer)v .elementAt (i)) .intValue ();
    testersList .setSelectedIndices (sel);


    // finally highlight modules based on which org was selected
    Object oo = tr .org2node .get (org);
    if(oo != null)
    for (en = ((Hashtable)oo) .keys (); en .hasMoreElements ();){
      Object o = en .nextElement ();
      if (o != null){
        //System.err.println (o);
        DefaultMutableTreeNode n = (DefaultMutableTreeNode) o;
        ModInfo mi1 = (ModInfo) n .getUserObject();
        mi1 .orgIsSelected = true;
        mi1 .orgSelected = org;
      }
    }


    // update the org field in the details
    ld .org .setText (org);

    repaint ();

    ignoreEvent=false;
    return;
  }

  private void unselectNodes (){
    Enumeration it = null;
    for (it = tr .nodes .elements ();it .hasMoreElements ();){
      ModInfo mi = (ModInfo) ((DefaultMutableTreeNode) it .nextElement ()) .getUserObject();
      mi .isSelected = false;
      mi .orgIsSelected = false;
    }
    for (it = tr .nodesOrg .elements ();it .hasMoreElements ();){
      ModInfo mi = (ModInfo) ((DefaultMutableTreeNode) it .nextElement ()) .getUserObject();
      mi .isSelected = false;
      mi .orgIsSelected = false;
    }
  }

  public void personChanged (String name){
    if (ignoreEvent) return;

    ignoreEvent=true;

    record ("P;"+name);

    // first always unselect all developer or testing nodes
    unselectNodes ();

    developersList .selectItem (name);
    testersList .selectItem (name);

    //System.err.println ("personChanged1:"+ignoreEvent);
    ld .login .setText (name + "");
    String hrid = (String) tr .login2hrid .get (name);
    if (hrid != null && hrid .compareTo ("") != 0 && hrid .compareTo ("null") != 0){

       if (tr .hrid2name .get (hrid) != null){
          StringTokenizer st1 = new StringTokenizer ((String) (tr .hrid2name .get (hrid)), ":");
          ld .name .setText (st1.nextToken());
          ld .email .setText (st1.nextToken());
          ld .org .setText (st1.nextToken());
          
          ld .phone .setText ("ph: " + st1.nextToken());
          ld .sid .setText ("Supervisor: "+st1.nextToken());
          String desc = st1.nextToken();
           //ld .summary .setText (desc .replace ('&','\n'));
          ld .summary .setText (desc);
          ld .location .setText (st1.nextToken());
       }
    }
    { // suspiciously complex
       Enumeration it = tr .nodes .elements ();
       for (;it .hasMoreElements ();){
          ModInfo mi = (ModInfo) ((DefaultMutableTreeNode) it .nextElement ()) .getUserObject();
          if (mi .level == 0){
              //ld .ndelta .setText (mi .ndeltaForLogin (name) + "");
             ld .login .setText (name + "");
          }
//              if (mi .hridForLogin (name) == null || mi .hridForLogin (name) .compareTo ("null") == 0){
//                 ld .name .setText ("null");
//                 ld .email .setText ("null");
//                 ld .org .setText ("null");
//              } else {
//                 if (mi .hridForLogin (name) == null || tr .hrid2name .get (mi .hridForLogin (name)) == null){
//                    ld .name .setText ("unknown");
//                    ld .email .setText ("unknown");
//                    ld .org .setText ("unknown");
//                 } else {
//                    StringTokenizer st1 = new StringTokenizer ((String)tr .hrid2name .get (mi .hridForLogin (name)), ":");
//                    ld .name .setText (st1.nextToken());
//                    ld .email .setText (st1.nextToken());
//                    ld .org .setText (st1.nextToken());
//                 }
//              }
       }
    }
   
    //System.err.println ("personChanged2:"+ignoreEvent);ignoreEvent=true;// the org selection sets it to false!!!
    orgsList .selectItem (ld .org .getText ());
    //System.err.println ("personChanged3:"+ignoreEvent);ignoreEvent=true;// the org selection sets it to false!!!


    //select all modules that the developer worked on for the tree nodes
    Enumeration en = null;
    // see if the org or developer list was clicked
    if (lastWidget == testersList){
      en = ((Hashtable) (tr .login2nodeOrg .get (name))) .keys ();
    } else {
      Hashtable hh= (Hashtable) tr.login2node .get (name);
      if (hh == null) en = null;
      else en = hh .keys ();
    }
    if (en != null){
      for (;en .hasMoreElements ();){
        DefaultMutableTreeNode n = (DefaultMutableTreeNode) en .nextElement ();
        ModInfo mi = ((ModInfo) ((DefaultMutableTreeNode)n) .getUserObject());
        mi .isSelected = true;
        mi .loginSelected = name;
      }
    }
    //System .out. println ("repaint");
    repaint ();

    ignoreEvent=false;
  }

  public void moduleChanged (String module){
    ignoreEvent=true;

    String modid = module;

    record ("M;"+modid);

    DefaultMutableTreeNode n = (DefaultMutableTreeNode) (tr .nodes .get (modid));
    //System.out.println (modid+":"+ n + ":" + tree .getSelectionPath ());
    if (n != null) {
      tree .setSelectionPath (new TreePath (n .getPath ()));

      ModInfo mi = (ModInfo) ((DefaultMutableTreeNode)n) .getUserObject();

      md .ndelta .setText (mi .ndelta +"");
      md .nLogin .setText (mi .people .length +"");
      md .level .setText (mi .level +"");
      md .module .setText (mi .name ());

      // first select developers for that module
      model .clear ();
      for (int i = 0; i < Math .min(mi .people .length, 700); i++)
      model .addElement (mi .people[i] .login + ":"+
      mi .people[i] .location +":"+
      ((mi .people[i] .loginDelta*100/mi .ndelta)/100.));

      // now select testers
      mi = (ModInfo) ((DefaultMutableTreeNode)tr .nodesOrg .get(mi .name ())).getUserObject ();
      md .nOrgLogin .setText (mi .people .length +"");
      modelORG .clear ();
      for (int i = 0; i < mi .people .length; i++)
      modelORG .addElement (mi .people[i] .login + ":"+
      mi .people[i] .location +":"+
      ((mi .people[i] .loginDelta*100/mi .ndelta)/100.));

      // finally select right organizations
      orgsModel .clear ();
      Hashtable tmp = new Hashtable ();
      Hashtable tmp1 = new Hashtable ();
      Hashtable tmp2 = new Hashtable (){
        public synchronized Object put (Object o, Object a){
          if (get (o) == null) return super .put (o, a);
          else return super .put (o, new Integer (((Integer) a) .intValue ()+ ((Integer)get(o)) .intValue()));
        }
      };
      // use developers to represent an organizxation
      mi = (ModInfo) ((DefaultMutableTreeNode)n) .getUserObject();
       //System.out.println (mi .name () + ":" + mi .people .length);
      for (int i = 0; i < mi .people .length; i++){
         String org = (String) tr .hrid2org .get (mi .people[i] .hrid);
          //System.out.println (org + ":" + mi .people[i] .login + ":" + mi .people[i] .hrid);
         if (org != null){
            tmp .put (org, org);
            int ndel=mi .people [i] .loginDelta;
             //System.err.println(org+":"+1 +":"+ndel+":"+mi .people[i] .login);
            if (tmp1 .containsKey (org))
               ndel += ((Integer) tmp1 .get (org)) .intValue ();
            tmp1 .put (org, new Integer (ndel));
         }
      }

      String organizations [] = new String [tmp .size ()];
      int ii = 0;
      for (Enumeration en = tmp .keys (); en .hasMoreElements ();){
         Object o =  en .nextElement ();
         organizations [ii++] = (String) o;
      }
      QSort .sort (organizations);
      for (int i = 0; i < organizations .length; i++){
         String o = organizations [i];
         double d = ((Integer)tmp1 .get (o)) .doubleValue ();
         d = d/mi .ndelta; d = d < .01 ? 0 : d;
          //System.err.println(o+":"+d +":"+mi .ndelta);
         String dd = d + " ";
         
         orgsModel .addElement (o + ":" + dd .substring (0,4));
          //System.out.println (o);
      }

    }
    ignoreEvent=false;
  }

  /** show developers, testers, and organizations associated with
  particular module*/
  public void valueChanged(TreeSelectionEvent e) {
    if (e .getPath() .getPathComponent(0) == tr .bcf){
      //select right developers
      TreeNode n = (TreeNode) (e .getPath() .getLastPathComponent());
      ModInfo mi = (ModInfo) ((DefaultMutableTreeNode)n) .getUserObject();
      md .level .setText (mi .level +"");
      lastWidget = e .getSource ();
      if (!ignoreEvent)
      moduleChanged (mi .name ());
    }
  }

  public void treeWillExpand (TreeExpansionEvent e){
    System.out.println ("wille:"+e);
  }
  public void treeWillCollapse (TreeExpansionEvent e){
    System.out.println ("willc:"+e);
  }

  public void treeExpanded (TreeExpansionEvent e){
    //System.out.println (e);
    //System.out.println ("a:"+e.getPath());
    //System.out.println ("b:"+e .getPath() .getLastPathComponent());
    TreePath p = e .getPath();
    TreeNode n = (TreeNode) p .getLastPathComponent();
    TreeNode p0 = n .getParent ();
    if (p0 == null) return;
    //System.out.println ("nchildren="+p0 .getChildCount ());
    for (int i = 0; i < p0 .getChildCount (); i++){
      TreeNode n1 = p0 .getChildAt (i);
      //System.out.println (i+":"+n1+":"+n+":"+(n1 != n));
      if (n1 != n){
        TreeNode tpa [] = new TreeNode [2];tpa[0]=p0;tpa[1]=n1;
        tree .expandPath (new TreePath (tpa));
      }
    }
    //tree .expandPath ((javax.swing.tree.TreePath) (e .getPath()));
  }
  public void treeCollapsed (TreeExpansionEvent e){
    //System.out.println (e);
    //System.out.println ("a1:"+e.getPath());
    //System.out.println ("b1:"+e .getPath() .getLastPathComponent());
    //tree .collapsePath ((javax.swing.tree.TreePath) (e .getPath()));
    TreePath p = e .getPath();
    TreeNode n = (TreeNode) p .getLastPathComponent();
    TreeNode p0 = n .getParent ();
    if (p0 == null) return;
    //System.out.println ("nchildren="+p0 .getChildCount ());
    for (int i = 0; i < p0 .getChildCount (); i++){
      TreeNode n1 = p0 .getChildAt (i);
      //System.out.println (i+":"+n1+":"+n+":"+(n1 != n));
      if (n1 != n){
        TreeNode tpa [] = new TreeNode [2];
        tpa[0]=p0;
        tpa[1]=n1;
        tree .collapsePath (new TreePath (tpa));
      }
    }
  }

  public ExpertPanel (TreeCellRenderer renderer, Experts tr, String hostname, boolean debug) {
    this .debug = debug;
    this .hostname = hostname;
    this .tr = tr;
    GridBagLayout gridbag = new GridBagLayout();
    GridBagConstraints c = new GridBagConstraints();
     //setLayout (gridbag);
     //setLayout (new BorderLayout ());
    setLayout (new GridLayout (1,2));

    //sp = new JScrollPane(treeOrg, JScrollPane .VERTICAL_SCROLLBAR_AS_NEEDED,JScrollPane .HORIZONTAL_SCROLLBAR_AS_NEEDED );
    //add(sp, BorderLayout.EAST);

    // Put list views in a separate pane
    model = new DefaultListModel ();
    modelORG = new DefaultListModel ();
    orgsModel = new DefaultListModel ();

    JPanel leftContainer = new JPanel ();
    leftContainer .setLayout (new GridLayout (2, 1));
    JPanel listContainer = new JPanel ();
    listContainer .setLayout (new GridLayout (1, 3));
    JScrollPane a = new JScrollPane(testersList = new MyJList (modelORG, true), JScrollPane .VERTICAL_SCROLLBAR_AS_NEEDED,JScrollPane .HORIZONTAL_SCROLLBAR_AS_NEEDED);
    a .setColumnHeaderView (new JLabel ("Supervisors"));
    a .setToolTipText ("Click on a login to see related code and contact detail");
    c.fill = GridBagConstraints.BOTH;
    c.gridheight = 1;
    c.gridwidth = 1;
    c.weightx = 1.0;
    c.weighty = 1.0;
    c.gridx = 1;
    gridbag .setConstraints(a, c);
     //add(a);
    listContainer .add (a);
    
    testersList .addMouseListener (new MyJListMouseAdapter(testersList, this));
    testersList .addListSelectionListener (personChanged);

    a = new JScrollPane(developersList = new MyJList (model, true), JScrollPane .VERTICAL_SCROLLBAR_AS_NEEDED,JScrollPane .HORIZONTAL_SCROLLBAR_AS_NEEDED);
    a .setColumnHeaderView (new JLabel ("Developers"));
    a .setToolTipText ("Click on a login to see changed code and contact detail");
    developersList .addListSelectionListener (personChanged);
    developersList .addMouseListener (new MyJListMouseAdapter(developersList, this));
    c.gridx = 2;
    gridbag .setConstraints(a, c);
     //add(a);
    listContainer .add (a);
    
    a = new JScrollPane(orgsList = new MyJList (orgsModel, true), JScrollPane .VERTICAL_SCROLLBAR_AS_NEEDED,JScrollPane .HORIZONTAL_SCROLLBAR_AS_NEEDED);
    a .setColumnHeaderView (new JLabel ("Organizations"));
    orgsList .addListSelectionListener (orgChanged);
    a .setToolTipText ("Click on an org number to see members and changed code.");
    c.gridx = 3;
    gridbag .setConstraints(a, c);
     //add(a);
    listContainer .add (a);
    leftContainer .add (listContainer);

    c.gridwidth = 3;
    c.gridheight = 1;
    c.gridx = 1;
    c.weightx = 1.0;
    c.weighty = 0.0;
    md = new ModuleDetail (this);
    gridbag .setConstraints(md, c);
     //add (md);
    

    ld = new LoginDetail (this);
    c.gridx = 1;
    c.gridwidth = 3;
    gridbag .setConstraints(ld, c);
    leftContainer .add(ld);
     //add (leftContainer, "West");
    add (leftContainer);


    // Create tree
    tree = new JTree(tr .bcf);
    //treeOrg = new JTree(tr .bcfOrg);
    //tree .addTreeWillExpandListener (this);
    //tree .addTreeExpansionListener (this);

    tree .addTreeSelectionListener (this);
    // Set line style
    tree .putClientProperty("JTree.lineStyle", "Angled");
    //treeOrg.putClientProperty("JTree.lineStyle", "Angled");

    // Change the cell renderer
    tree .setCellRenderer(renderer);
    tree .setRowHeight (-1);
    //treeOrg.setCellRenderer(renderer);
    ToolTipManager.sharedInstance().registerComponent(tree);


    tree .addMouseListener(new MyMouseAdapter(this));


    // Put tree in a scrollable pane
    JScrollPane sp = new JScrollPane ();
    sp .setPreferredSize (new Dimension(300, 400));
    sp .getViewport() .add(tree);
    //JScrollPane sp = new JScrollPane(tree, JScrollPane .VERTICAL_SCROLLBAR_AS_NEEDED,JScrollPane .HORIZONTAL_SCROLLBAR_AS_NEEDED );
    sp .setColumnHeaderView (new JLabel ("Modules"));
    sp .setToolTipText ("Click on a module to see organizations, developers, and MR raisers involved");

    c.fill = GridBagConstraints.BOTH;
    c.weightx = 10000;
    c.weighty = 1.0;
    c.gridx = 4;
    c.gridheight = 3;
    c.gridwidth = GridBagConstraints.REMAINDER;
    c.gridwidth = 1;
    gridbag .setConstraints(sp, c);
    add(sp);
     //add(sp, "Center");

    // now create udp connection to notmafia
    if (debug && socket == null){
      //this is for listening locally
      //DummyThread dt = new DummyThread (this);
      //dt .start ();

      try{
        socket = new DatagramSocket ();
        remoteA = InetAddress .getByName (hostname);
    } catch (Exception e){ System.err.println (e); }
      try {
        byte ss [] = ("init:" + System .currentTimeMillis()) .getBytes ();
        DatagramPacket dp = new DatagramPacket (ss, ss .length, remoteA, remotePort);
        socket .send (dp);
    } catch (IOException e){ System.err.println (e); }
    }
  }
  public void start (String s){
    if (!debug) return;
    try {
      byte ss [] = ("start:" + System .currentTimeMillis() + ":" + s) .getBytes ();
      DatagramPacket dp = new DatagramPacket (ss, ss .length, remoteA, remotePort);
      socket .send (dp);
  } catch (IOException e){ System.err.println (e); }
    //for (int i = tree .getRowCount () - 1; i > 0; i--){ tree .expandRow (i);}
    //tree .collapseRow (0);
  }
  public void stop (){
    if (!debug) return;
    try {
      byte ss [] = ("stop:" + System .currentTimeMillis()) .getBytes ();
      DatagramPacket dp = new DatagramPacket (ss, ss .length, remoteA, remotePort);
      socket .send (dp);
  } catch (IOException e){ System.err.println (e); }
  }
  public void destroy (){
    if (!debug) return;
    try {
      byte ss [] = ("destroy:" + System .currentTimeMillis()) .getBytes ();
      DatagramPacket dp = new DatagramPacket (ss, ss .length, remoteA, remotePort);
      socket .send (dp);
  } catch (IOException e){ System.err.println (e); }
  }
}

class MyJListMouseAdapter extends MouseAdapter {
  public MyJList list;
  public ExpertPanel ep;

  MyJListMouseAdapter (MyJList list, ExpertPanel ep){
    this .list = list;
    this .ep = ep;
  }
  public void mouseClicked(MouseEvent e) {
    int index = list .locationToIndex(e.getPoint());
    if ((e .getModifiers () & MouseEvent .BUTTON1_MASK) > 0) {
      System.out.println("left clicked on Item " + index);
    } else {
      System.out.println("right clicked on Item " + index);
      String ss [] = new String [1];
      StringTokenizer st = new StringTokenizer ((String)(list .getModel () .getElementAt (index)), ":");
      if (st != null){
        ss [0] = st .nextToken ();
        ep .applet .run ("mrs", ss);
        ep .record ("MR;"+ss[0]);
      }
    }
  }
}


class MyMouseAdapter extends MouseAdapter {
  public ExpertPanel ep;

  MyMouseAdapter (ExpertPanel ep){
    this .ep = ep;
  }

  public void mouseClicked(MouseEvent e) {
    int selRow = ep .tree .getRowForLocation(e.getX(), e.getY());
    TreePath selPath = ep .tree .getPathForLocation(e.getX(), e.getY());
    if(selRow != -1) {
      if ((e .getModifiers () & MouseEvent .BUTTON1_MASK) > 0) {
      } else {
        DefaultMutableTreeNode n = (DefaultMutableTreeNode) (selPath .getLastPathComponent());
        //if (n.getChildCount () == 0){
        if (ep .applet != null){
          ModInfo mi = (ModInfo) n .getUserObject();
          System.out.println ("show files:"+mi.getModule ());
          String ss [] = new String [1];
          ss [0] = mi.getModule ();
          ep .applet .run ("files", ss);
          ep .record ("MF;"+ss[0]);
        }
        //}
      }
    }
  }
}

class PersonChanged implements ListSelectionListener
{
  public ExpertPanel ep;

  PersonChanged (ExpertPanel ep){
    this .ep = ep;
  }

  public void valueChanged (ListSelectionEvent e) {
    if (e .getValueIsAdjusting() || ep .ignoreEvent) {
      //System.err.println (e .getValueIsAdjusting() + ":" + ignoreEvent);
      return;
    }

    //System.err.println ("personChanged:"+e .getSource ());

    StringTokenizer st = null;

    //from developrt and tester list
    if (e .getSource () instanceof JList){
      JList l = (JList) e .getSource ();
      st = new StringTokenizer ((String)(l .getModel () .getElementAt (l .getSelectedIndex ())), ":");
    }

    //        //from login combo box
    //       if (e .getSource () instanceof JComboBox){
    //          JComboBox l = (JComboBox) e .getSource ();
    //          st = new StringTokenizer ((String)(l .getSelectedItem ()), ":");
    //       }

    ep .lastWidget = e .getSource ();
    System.err.println ("personChanged:"+e .getSource ());
    if (st != null)
    ep .personChanged (st .nextToken ());
  }
}

class OrgChanged implements ListSelectionListener
{
  public ExpertPanel ep;

  OrgChanged (ExpertPanel ep){
    this .ep = ep;
  }

  public void valueChanged (ListSelectionEvent e) {
    if (e .getValueIsAdjusting() || ep .ignoreEvent) {
      //System.err.println (e .getValueIsAdjusting() + ":" + ignoreEvent);
      return;
    }

    //System.err.println ("orgChanged:"+e .getSource ());

    StringTokenizer st = null;

    //from org list
    if (e .getSource () instanceof JList){
      JList l = (JList) e .getSource ();
      st = new StringTokenizer ((String)(l .getModel () .getElementAt (l .getSelectedIndex ())), ":");
    }

    //        //from login combo box
    //       if (e .getSource () instanceof JComboBox){
    //          JComboBox l = (JComboBox) e .getSource ();
    //          st = new StringTokenizer ((String)(l .getSelectedItem ()), ":");
    //       }

    ep .lastWidget = e .getSource ();
    if (st != null)
    ep .orgChanged (st .nextToken ());
  }
}