/*
 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
 * Copyright (C) $$Year-Rel$$ The Jalview Authors
 * 
 * This file is part of Jalview.
 * 
 * Jalview is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License 
 * as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *  
 * Jalview is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; without even the implied warranty 
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
 * PURPOSE.  See the GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
 * The Jalview Authors are detailed in the 'AUTHORS' file.
 */
package jalview.javascript;

import jalview.api.JalviewApp;
import jalview.appletgui.AlignFrame;
import jalview.datamodel.ColumnSelection;
import jalview.datamodel.HiddenColumns;
import jalview.datamodel.SequenceGroup;
import jalview.structure.SelectionSource;

public class JsSelectionSender extends JSFunctionExec
        implements jalview.structure.SelectionListener, JsCallBack
{

  AlignFrame _af;

  String _listener;

  public JsSelectionSender(JalviewApp jvlite, AlignFrame af,
          String listener, boolean debug)
  {
    super(jvlite, debug);
    _af = af;
    _listener = listener;
  }

  @Override
  public void selection(SequenceGroup seqsel, ColumnSelection colsel,
          HiddenColumns hidden, SelectionSource source)
  {
    Object[] info = jvlite.getSelectionForListener(seqsel, colsel, hidden, source, _af);
    try
    {

      System.err.println("Relaying selection to jsfunction:" + _listener);
      executeJavascriptFunction(_listener, info);

    } catch (Exception ex)
    {
      System.err.println(
              "Jalview Javascript exec error: Couldn't send selection message using function '"
                      + _listener + "'");
      ex.printStackTrace();
      if (ex instanceof netscape.javascript.JSException)
      {
        System.err.println("Javascript Exception: "
                + ((netscape.javascript.JSException) ex).getCause()
                        .toString());
      }

    }

  }

  @Override
  public AlignFrame getAlignFrame()
  {
    return _af;
  }

  @Override
  public String getListenerFunction()
  {
    return _listener;
  }

}