package MCview;

import java.awt.*;

import java.awt.event.*;
import jalview.datamodel.*;
import jalview.appletgui.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;


public class AppletPDBViewer extends Frame
{
      PDBEntry pdb;
      Sequence sequence;
      AppletPDBCanvas pdbcanvas;


      public AppletPDBViewer(String pdbtext,
                       Sequence seq,
                       SeqCanvas seqcanvas)
      {
        sequence = seq;

        try
        {
          jbInit();
        }
        catch (Exception ex)
        {
          ex.printStackTrace();
        }

        pdbcanvas = new AppletPDBCanvas(seqcanvas, seq);

        add(pdbcanvas, BorderLayout.CENTER);

        StringBuffer title = new StringBuffer(sequence.getName() + ":");

        jalview.bin.JalviewLite.addFrame(this,title.toString(),400, 400);

        try{
        PDBfile pdbfile = new PDBfile(pdbtext, "Paste");
        pdbcanvas.setPDBFile(pdbfile);
        }catch(Exception ex){ex.printStackTrace();}
      }


      private void jbInit()
          throws Exception
      {
        this.setMenuBar(jMenuBar1);
        fileMenu.setLabel("File");
        coloursMenu.setLabel("Colours");
        mapping.setLabel("View Mapping");
        mapping.addActionListener(new ActionListener()
        {
          public void actionPerformed(ActionEvent e)
          {
            mapping_actionPerformed();
          }
        });
        wire.setLabel("Wireframe");
        wire.addItemListener(new ItemListener()
        {
          public void itemStateChanged(ItemEvent e)
          {
            wire_actionPerformed();
          }
        });
        depth.setState(true);
        depth.setLabel("Depthcue");
        depth.addItemListener(new ItemListener()
        {
          public void itemStateChanged(ItemEvent e)
          {
            depth_actionPerformed();
          }
        });
        zbuffer.setState(true);
        zbuffer.setLabel("Z Buffering");
        zbuffer.addItemListener(new ItemListener()
        {
          public void itemStateChanged(ItemEvent e)
          {
            zbuffer_actionPerformed();
          }
        });
        charge.setLabel("Charge & Cysteine");
        charge.addActionListener(new ActionListener()
        {
          public void actionPerformed(ActionEvent e)
          {
            charge_actionPerformed();
          }
        });
        hydro.setLabel("Hydrophobicity");
        hydro.addActionListener(new ActionListener()
        {
          public void actionPerformed(ActionEvent e)
          {
            hydro_actionPerformed();
          }
        });
        chain.setLabel("By Chain");
        chain.addActionListener(new ActionListener()
        {
          public void actionPerformed(ActionEvent e)
          {
            chain_actionPerformed();
          }
        });
        seqButton.setLabel("By Sequence");
        seqButton.addActionListener(new ActionListener()
        {
          public void actionPerformed(ActionEvent e){
            seqButton_actionPerformed();
          }
        });
    allchains.setLabel("All Chains Visible");
    allchains.addItemListener(new ItemListener()
    {
      public void itemStateChanged(ItemEvent itemEvent)
      {
        allchains_itemStateChanged(itemEvent);
      }
    });
    jMenuBar1.add(fileMenu);
        jMenuBar1.add(coloursMenu);
        fileMenu.add(mapping);;

        coloursMenu.add(seqButton);
        coloursMenu.add(chain);
    coloursMenu.add(hydro);
    coloursMenu.add(charge);
    coloursMenu.addSeparator();
        coloursMenu.add(wire);
        coloursMenu.add(depth);
        coloursMenu.add(zbuffer);
    coloursMenu.add(allchains);
    allchains.setState(true);
  }

      MenuBar jMenuBar1 = new MenuBar();
      Menu fileMenu = new Menu();
      Menu coloursMenu = new Menu();
      MenuItem mapping = new MenuItem();
      CheckboxGroup bg = new CheckboxGroup();
      CheckboxMenuItem wire = new CheckboxMenuItem();
      CheckboxMenuItem depth = new CheckboxMenuItem();
      CheckboxMenuItem zbuffer = new CheckboxMenuItem();

      MenuItem charge = new MenuItem();
      MenuItem hydro = new MenuItem();
      MenuItem chain = new MenuItem();
      MenuItem seqButton = new MenuItem();

     CheckboxMenuItem allchains = new CheckboxMenuItem();

  public void charge_actionPerformed()
      {
        clearButtonGroup();
        pdbcanvas.pdb.setChargeColours();
        pdbcanvas.redrawneeded=true;
        pdbcanvas.repaint();
      }

      public void hydro_actionPerformed()
      {
        clearButtonGroup();
        pdbcanvas.pdb.setHydrophobicityColours();
        pdbcanvas.redrawneeded=true;
        pdbcanvas.repaint();
      }

      public void chain_actionPerformed()
      {
        clearButtonGroup();
        pdbcanvas.pdb.setChainColours();
        pdbcanvas.redrawneeded=true;
        pdbcanvas.repaint();
      }

      public void zbuffer_actionPerformed()
      {
        pdbcanvas.zbuffer = ! pdbcanvas.zbuffer;
        pdbcanvas.redrawneeded=true;
        pdbcanvas.repaint();
      }

      public void depth_actionPerformed()
      {
      pdbcanvas.depthcue = ! pdbcanvas.depthcue;
      pdbcanvas.redrawneeded=true;
        pdbcanvas.repaint();
      }

      public void wire_actionPerformed()
      {
        pdbcanvas.wire = ! pdbcanvas.wire;
        pdbcanvas.redrawneeded=true;
        pdbcanvas.repaint();
      }

      public void seqButton_actionPerformed()
      {
        clearButtonGroup();
        pdbcanvas.bysequence = true;
        pdbcanvas.updateSeqColours();
        pdbcanvas.repaint();
      }

      void clearButtonGroup()
      {
       pdbcanvas.bysequence = false;
       pdbcanvas.bymolecule = false;
      }

      public void mapping_actionPerformed()
      {
        jalview.appletgui.CutAndPasteTransfer cap
            = new jalview.appletgui.CutAndPasteTransfer(false, null);
        Frame frame = new Frame();
        frame.add(cap);
        jalview.bin.JalviewLite.addFrame(frame, "PDB - Sequence Mapping", 500, 600);
        cap.setText(pdbcanvas.mappingDetails.toString());
      }

      public void allchains_itemStateChanged(ItemEvent itemEvent)
      {
        pdbcanvas.setAllchainsVisible(allchains.getState());
      }
}