package jalview.jbgui;

import jalview.gui.Desktop;
import jalview.gui.PDBFetchPanel.PDBSearchOptionList;
import jalview.util.MessageManager;
import jalview.ws.uimodel.PDBSummaryListModel;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.ListSelectionModel;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;

@SuppressWarnings("serial")
public abstract class GPDBFetchPanel extends JPanel
{
  protected String frameTitle = "PDB Sequence Fetcher";

  protected JInternalFrame mainFrame = new JInternalFrame(frameTitle);

  protected JComboBox<PDBSearchOptionList> searchTargetOptions = new JComboBox<PDBSearchOptionList>();

  protected JButton ok = new JButton();

  protected JButton back = new JButton();
  
  protected JButton cancel = new JButton();
  
  protected JTextField search = new JTextField(20);
  
  protected JList<PDBSummaryListModel> jListSearchResult = new JList<PDBSummaryListModel>();

  protected JScrollPane searchResultScroller = new JScrollPane(
          jListSearchResult);

  private JPanel actionPanel = new JPanel();

  private JPanel resultPanel = new JPanel();

  private JPanel inputPanel = new JPanel();

  private BorderLayout mainLayout = new BorderLayout();



  public GPDBFetchPanel()
  {
    try
    {
      jbInit();
      mainFrame.invalidate();
      mainFrame.pack();
    } catch (Exception e)
    {
      e.printStackTrace();
    }
  }

  private void jbInit() throws Exception
  {
    back.setFont(new java.awt.Font("Verdana", 0, 12));
    back.setText(MessageManager.getString("action.back"));
    back.addActionListener(new java.awt.event.ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        backActionPerformed();
      }
    });
    ok.setFont(new java.awt.Font("Verdana", 0, 12));
    ok.setText(MessageManager.getString("action.ok"));
    ok.addActionListener(new java.awt.event.ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        okActionPerformed();
      }
    });
    cancel.setFont(new java.awt.Font("Verdana", 0, 12));
    cancel.setText(MessageManager.getString("action.cancel"));
    cancel.addActionListener(new java.awt.event.ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        cancelActionPerformed();
      }
    });
    actionPanel.add(back);
    actionPanel.add(ok);
    actionPanel.add(cancel);

    jListSearchResult
            .setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
    jListSearchResult.setLayoutOrientation(JList.VERTICAL);
    jListSearchResult.setVisibleRowCount(-1);
    searchResultScroller.setPreferredSize(new Dimension(500, 300));
    searchResultScroller
            .setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
    resultPanel.add(searchResultScroller);

    searchTargetOptions.setFont(new java.awt.Font("Verdana", 0, 12));
    searchTargetOptions.addActionListener(new ActionListener()
    {
      @Override
      public void actionPerformed(ActionEvent e)
      {
        searchStringAction();
      }
    });

    populateSearchOptionCombo();

    search.setFont(new java.awt.Font("Verdana", 0, 12));
    search.getDocument().addDocumentListener(new DocumentListener()
    {
      @Override
      public void insertUpdate(DocumentEvent e)
      {
        searchStringAction();
      }

      @Override
      public void removeUpdate(DocumentEvent e)
      {
        searchStringAction();
      }

      @Override
      public void changedUpdate(DocumentEvent e)
      {
        searchStringAction();
      }
    });

    inputPanel.add(searchTargetOptions);
    inputPanel.add(search);


    this.setLayout(mainLayout);
    this.add(inputPanel, java.awt.BorderLayout.NORTH);
    this.add(resultPanel, java.awt.BorderLayout.CENTER);
    this.add(actionPanel, java.awt.BorderLayout.SOUTH);
    mainFrame.setVisible(true);
    mainFrame.setContentPane(this);
    mainFrame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    Desktop.addInternalFrame(mainFrame, frameTitle, 800, 400);
  }

  public abstract void searchStringAction();

  public abstract void okActionPerformed();

  public abstract void backActionPerformed();

  public abstract void cancelActionPerformed();

  protected abstract void populateSearchOptionCombo();

}