package jalview.gui;

import java.awt.*;
import java.awt.event.*;

import jalview.datamodel.*;

import javax.swing.*;

public class IdPanel extends JPanel implements MouseListener, MouseMotionListener {

  protected IdCanvas       idCanvas;
  protected AlignViewport  av;
  protected AlignmentPanel alignPanel;

  protected int            offy;
  public    int            width;
  public    int            lastid;



  boolean mouseDown;
  boolean mouseUp;

  public IdPanel(AlignViewport av, AlignmentPanel parent)
  {
    this.av         = av;
    alignPanel = parent;
    idCanvas = new IdCanvas(av);
    setLayout(new BorderLayout());
    add(idCanvas, BorderLayout.CENTER);
    addMouseListener(this);
    addMouseMotionListener(this);
  }

  public void mouseMoved(MouseEvent e) {}

  public void selectSeqs(int start, int end) {
     if (end < start) {
       int tmp = start;
       start = end;
       end   = tmp;
     }

     for (int i = start; i <= end; i++) {
       SequenceI pickedSeq = av.getAlignment().getSequenceAt(i);

       if (av.getSelection().contains(pickedSeq)) {
         av.getSelection().removeElement(pickedSeq);
       } else {
         av.getSelection().addElement(pickedSeq);
       }
     }

     repaint();

   }

  public void mouseDragged(MouseEvent e) {
    int y = e.getY();

    int seq = av.getIndex(y);

    if (mouseDown == true) {
      if (seq < lastid) {
        selectSeqs(lastid-1,seq);
      } else if (seq > lastid) {
         selectSeqs(lastid+1,seq);
      }
      lastid = seq;
    }

    return;
  }

  public void mouseClicked(MouseEvent e)
  {
    if (e.getClickCount() == 2)
    {
       int seq = av.getIndex(e.getY());
       String id = av.getAlignment().getSequenceAt(seq).getName();

       try{
         jalview.util.BrowserLauncher.openURL(
             "http://srs.ebi.ac.uk/srs7bin/cgi-bin/wgetz?-e+[swall-id:" + id +
             "]+-vn+2");
       }catch(Exception ex){ex.printStackTrace();}
    }

  }
  public void mouseEntered(MouseEvent e) { }
  public void mouseExited (MouseEvent e) { }

  public void mousePressed(MouseEvent e) {
    if (e.getClickCount() == 2)
      return;

    int y = e.getY();
    int seq = av.getIndex(y);

    mouseDown = true;

      if( javax.swing.SwingUtilities.isRightMouseButton(e))
      {
        String id = av.getAlignment().getSequenceAt(seq).getName();
        String s = (String)JOptionPane.showInputDialog(
                    this,
                    "Edit sequence name",
                    "Edit sequence name",
                    JOptionPane.PLAIN_MESSAGE,
                    null,
                    null,
                    id);

        if(s!=null)
        {
          av.getAlignment().getSequenceAt(seq).setName(s);
          alignPanel.RefreshPanels();
        }

      }
      else
      {
        if (seq != -1)
          selectSeqs(seq,seq);

        lastid = seq;
      }
    return;
  }

  public void mouseReleased(MouseEvent e) {
    lastid = -1;

    mouseDown = false;
    mouseUp   = true;

    PaintRefresher.Refresh(this);

  }
}