/*
 * Jalview - A Sequence Alignment Editor and Viewer
 * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
 *
 * This program 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 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */
package jalview.gui;

import jalview.bin.*;

import jalview.io.*;

import jalview.jbgui.*;

import jalview.schemes.*;

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

import javax.swing.*;

import java.util.*;

import jalview.bin.Cache;


/**
 * DOCUMENT ME!
 *
 * @author $author$
 * @version $Revision$
 */
public class Preferences extends GPreferences
{
    /** Holds name and link separated with | character. Sequence ID must be $SEQUENCE_ID$ */
    public static Vector sequenceURLLinks = new Vector();
    static { sequenceURLLinks.addElement("SRS|http://srs.ebi.ac.uk/srs7bin/cgi-bin/wgetz?-e+[uniprot-all:$SEQUENCE_ID$]+-vn+2");}
    Vector nameLinks, urlLinks;

    JInternalFrame frame;


    /**
     * Creates a new Preferences object.
     */
    public Preferences()
    {

        frame = new JInternalFrame();
        frame.setContentPane(this);
        Desktop.addInternalFrame(frame, "Preferences", 480, 390);
        frame.setMinimumSize(new Dimension(480,390));

        fullID.setSelected(      Cache.getDefault("SHOW_FULL_ID", true));
        fullScreen.setSelected(  Cache.getDefault("SHOW_FULLSCREEN", false));
        annotations.setSelected( Cache.getDefault("SHOW_FULL_ID", true));
        conservation.setEnabled( Cache.getDefault("SHOW_ANNOTATIONS", true));

        quality.setEnabled(Cache.getDefault("SHOW_ANNOTATIONS", true));
        identity.setEnabled(Cache.getDefault("SHOW_ANNOTATIONS", true));

        conservation.setSelected(Cache.getDefault("SHOW_CONSERVATION", true));
        quality.setSelected(Cache.getDefault("SHOW_QUALITY", true));
        identity.setSelected(Cache.getDefault("SHOW_IDENTITY", true));

        for (int i = 0; i < 12; i++)
        {
            colour.addItem(ColourSchemeProperty.getColourName(i));
        }

        String string = Cache.getProperty("DEFAULT_COLOUR");

        if (string != null)
        {
            colour.setSelectedItem(string);
        }
        else
        {
            colour.setSelectedIndex(11);
        }

        String[] fonts = java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment()
                                                     .getAvailableFontFamilyNames();

        for (int i = 0; i < fonts.length; i++)
        {
            fontNameCB.addItem(fonts[i]);
        }

        for (int i = 1; i < 31; i++)
        {
            fontSizeCB.addItem(i + "");
        }

        fontStyleCB.addItem("plain");
        fontStyleCB.addItem("bold");
        fontStyleCB.addItem("italic");

        fontNameCB.setSelectedItem(Cache.getDefault("FONT_NAME", "SansSerif"));
        fontSizeCB.setSelectedItem(Cache.getDefault("FONT_SIZE", "10"));
        fontStyleCB.setSelectedItem(Cache.getDefault("FONT_STYLE", Font.PLAIN + "") );

        gapSymbolCB.addItem("-");
        gapSymbolCB.addItem(".");

        gapSymbolCB.setSelectedItem( Cache.getDefault("GAP_SYMBOL", "-"));

        startupCheckbox.setSelected( Cache.getDefault("SHOW_STARTUP_FILE", true) );
        startupFileTextfield.setText(Cache.getDefault("STARTUP_FILE",
         "http://www.jalview.org/examples/exampleFile.jar"));

  /****************************************************
   * Set up Connections
   */

      string = Cache.getDefault("SEQUENCE_LINKS",
                            "SRS|http://srs.ebi.ac.uk/srs7bin/cgi-bin/wgetz?-e+[uniprot-all:$SEQUENCE_ID$]+-vn+2");
      sequenceURLLinks = new Vector();

        try{
          StringTokenizer st = new StringTokenizer(string, "|");
          while (st.hasMoreElements())
          {
            sequenceURLLinks.addElement(st.nextToken() + "|" + st.nextToken());
          }
        }catch(Exception ex)
        {System.out.println(ex+"\nError parsing sequence links");}

        nameLinks = new Vector();
        urlLinks = new Vector();
        for(int i=0; i<sequenceURLLinks.size(); i++)
        {
          String link = sequenceURLLinks.elementAt(i).toString();
          nameLinks.addElement(link.substring(0, link.indexOf("|")) );
          urlLinks.addElement(link.substring(link.indexOf("|")+1));
        }

        updateLinkData();

        useProxy.setSelected( Cache.getDefault("USE_PROXY", false));
        proxyServerTB.setEnabled(useProxy.isSelected());
        proxyPortTB.setEnabled(useProxy.isSelected());
        proxyServerTB.setText( Cache.getDefault("PROXY_SERVER", ""));
        proxyPortTB.setText(Cache.getDefault("PROXY_PORT", ""));

        defaultBrowser.setText( Cache.getDefault("DEFAULT_BROWSER",""));
    try
    {
      jbInit();
    }
    catch (Exception ex)
    {
      ex.printStackTrace();
    }

  }


    /**
     * DOCUMENT ME!
     *
     * @param e DOCUMENT ME!
     */
    public void ok_actionPerformed(ActionEvent e)
    {

      Cache.applicationProperties.setProperty("SHOW_FULL_ID", Boolean.toString(fullID.isSelected()));
      Cache.applicationProperties.setProperty("SHOW_FULLSCREEN", Boolean.toString(fullScreen.isSelected()));

      Cache.applicationProperties.setProperty("SHOW_ANNOTATIONS", Boolean.toString(annotations.isSelected()));
      Cache.applicationProperties.setProperty("SHOW_CONSERVATION", Boolean.toString(conservation.isSelected()));
      Cache.applicationProperties.setProperty("SHOW_QUALITY", Boolean.toString(quality.isSelected()));
      Cache.applicationProperties.setProperty("SHOW_IDENTITY", Boolean.toString(identity.isSelected()));

      Cache.applicationProperties.setProperty("DEFAULT_COLOUR", colour.getSelectedItem().toString());
      Cache.applicationProperties.setProperty("GAP_SYMBOL", gapSymbolCB.getSelectedItem().toString());

      Cache.applicationProperties.setProperty("FONT_NAME", fontNameCB.getSelectedItem().toString());
      Cache.applicationProperties.setProperty("FONT_STYLE", fontStyleCB.getSelectedItem().toString());
      Cache.applicationProperties.setProperty("FONT_SIZE", fontSizeCB.getSelectedItem().toString());

      Cache.applicationProperties.setProperty("STARTUP_FILE", startupFileTextfield.getText());
      Cache.applicationProperties.setProperty("SHOW_STARTUP_FILE",  Boolean.toString(startupCheckbox.isSelected()));

      Cache.applicationProperties.setProperty("DEFAULT_BROWSER", defaultBrowser.getText());
      jalview.util.BrowserLauncher.resetBrowser();
        if(nameLinks.size()>0)
        {
          StringBuffer links = new StringBuffer();
          sequenceURLLinks = new Vector();
          for (int i = 0; i < nameLinks.size(); i++)
          {
            sequenceURLLinks.addElement(nameLinks.elementAt(i)+"|"+urlLinks.elementAt(i));
            links.append(sequenceURLLinks.elementAt(i).toString());
            links.append("|");
          }
          // remove last "|"
          links.setLength( links.length()-1 );
          Cache.applicationProperties.setProperty("SEQUENCE_LINKS", links.toString());
        }

        Cache.applicationProperties.setProperty("USE_PROXY", Boolean.toString(useProxy.isSelected()));
        Cache.applicationProperties.setProperty("PROXY_SERVER",proxyServerTB.getText());
        Cache.applicationProperties.setProperty("PROXY_PORT", proxyPortTB.getText());

        if(useProxy.isSelected())
        {
          System.setProperty("http.proxyHost", proxyServerTB.getText());
          System.setProperty("http.proxyPort", proxyPortTB.getText());
        }
        else
        {
          System.setProperty("http.proxyHost","");
          System.setProperty("http.proxyPort","");
        }



        Cache.saveProperties();
        try
        {
            frame.setClosed(true);
        }
        catch (Exception ex)
        {
        }
    }

    /**
     * DOCUMENT ME!
     */
    public void startupFileTextfield_mouseClicked()
    {
        JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.getProperty(
                    "LAST_DIRECTORY"),
                new String[]
                {
                    "fa, fasta, fastq", "aln", "pfam", "msf", "pir", "blc",
                    "jar"
                },
                new String[]
                {
                    "Fasta", "Clustal", "PFAM", "MSF", "PIR", "BLC", "Jalview"
                }, jalview.bin.Cache.getProperty("DEFAULT_FILE_FORMAT"));
        chooser.setFileView(new JalviewFileView());
        chooser.setDialogTitle("Select startup file");

        int value = chooser.showOpenDialog(this);

        if (value == JalviewFileChooser.APPROVE_OPTION)
        {
            jalview.bin.Cache.applicationProperties.setProperty("DEFAULT_FILE_FORMAT",
                chooser.getSelectedFormat());
            startupFileTextfield.setText(chooser.getSelectedFile()
                                                .getAbsolutePath());
        }
    }

    /**
     * DOCUMENT ME!
     *
     * @param e DOCUMENT ME!
     */
    public void cancel_actionPerformed(ActionEvent e)
    {
        try
        {
            frame.setClosed(true);
        }
        catch (Exception ex)
        {
        }
    }

    /**
     * DOCUMENT ME!
     *
     * @param e DOCUMENT ME!
     */
    public void annotations_actionPerformed(ActionEvent e)
    {
        conservation.setEnabled(annotations.isSelected());
        quality.setEnabled(annotations.isSelected());
        identity.setEnabled(annotations.isSelected());
    }


    public void newLink_actionPerformed(ActionEvent e) {

      GSequenceLink link = new GSequenceLink();
      boolean valid = false;
      while( !valid )
      {
        if (JOptionPane.showInternalConfirmDialog(Desktop.desktop, link,
                                                  "New sequence URL link",
                                                  JOptionPane.OK_CANCEL_OPTION
                                                  ,-1, null)
            == JOptionPane.OK_OPTION)
        {
          if (link.checkValid())
          {
            nameLinks.addElement(link.getName());
            urlLinks.addElement(link.getURL());
            updateLinkData();
            valid = true;
          }
        }
        else
          break;
      }
    }

    public void editLink_actionPerformed(ActionEvent e) {
      GSequenceLink link = new GSequenceLink();

      int index = linkNameList.getSelectedIndex();
      if(index==-1)
      {
        JOptionPane.showInternalMessageDialog(Desktop.desktop, "No link selected!"
            ,"No link selected", JOptionPane.WARNING_MESSAGE);
        return;
      }

      link.setName( nameLinks.elementAt(index).toString() );
      link.setURL( urlLinks.elementAt(index).toString() );

      boolean valid = false;
      while (!valid)
      {

        if (JOptionPane.showInternalConfirmDialog(Desktop.desktop, link,
                                                  "New sequence URL link",
                                                  JOptionPane.OK_CANCEL_OPTION
                                                  ,-1, null)
            == JOptionPane.OK_OPTION)
        {
          if (link.checkValid())
          {
            nameLinks.setElementAt(link.getName(), index);
            urlLinks.setElementAt(link.getURL(), index);
            updateLinkData();
            valid = true;
          }
        }

        else
          break;
      }
    }

    public void deleteLink_actionPerformed(ActionEvent e) {
      int index = linkNameList.getSelectedIndex();
      if(index==-1)
      {
        JOptionPane.showInternalMessageDialog(Desktop.desktop, "No link selected!"
            ,"No link selected", JOptionPane.WARNING_MESSAGE);
        return;
      }
      nameLinks.removeElementAt(index);
      urlLinks.removeElementAt(index);
      updateLinkData();
    }

    void updateLinkData()
    {
      linkNameList.setListData(nameLinks);
      linkURLList.setListData(urlLinks);
    }

    public void defaultBrowser_mouseClicked(MouseEvent e)
    {
      JFileChooser chooser = new JFileChooser(".");
      chooser.setDialogTitle("Select default web browser");

      int value = chooser.showOpenDialog(this);

      if (value == JFileChooser.APPROVE_OPTION)
      {
        defaultBrowser.setText(chooser.getSelectedFile().getAbsolutePath());
      }

  }

  private void jbInit()
      throws Exception
  {
  }
}