package jalview.jbgui;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JPanel;

@SuppressWarnings("serial")
public abstract class GAlignExportSettings extends JPanel
{
  protected JPanel hiddenRegionConfPanel = new JPanel();

  protected JPanel complexExportPanel = new JPanel();

  protected JPanel optionsPanel = new JPanel();

  protected JPanel actionPanel = new JPanel();

  protected BorderLayout hiddenRegionLayout = new BorderLayout();

  protected BorderLayout complexExportLayout = new BorderLayout();

  protected BorderLayout mainLayout = new BorderLayout();

  protected JCheckBox chkAll = new JCheckBox("Check All");

  protected JCheckBox chkHiddenSeqs = new JCheckBox(
          "Export Hidden Sequences");

  protected JCheckBox chkHiddenCols = new JCheckBox("Export Hidden Columns");

  protected JCheckBox chkExportAnnots = new JCheckBox("Export Annotations");

  protected JCheckBox chkExportFeats = new JCheckBox("Export Features");

  protected JCheckBox chkExportGrps = new JCheckBox("Export Groups");

  JButton btnOk = new JButton("Ok");

  JButton btnCancel = new JButton("Cancel");

  private boolean hasHiddenSeq, hasHiddenCols, isComplexAlignFile;

  boolean isComplexFormat = false;

  public GAlignExportSettings(boolean hasHiddenSeq, boolean hasHiddenCols,
          String alignFileFormat)
  {
    this.hasHiddenSeq = hasHiddenSeq;
    this.hasHiddenCols = hasHiddenCols;
    String[] complexFormats =
    { "JSON", "HTML" };

    for (String format : complexFormats)
    {
      if (format.equalsIgnoreCase(alignFileFormat))
      {
        this.isComplexAlignFile = true;
        break;
      }
    }

    init();
  }

  public void init()
  {
    hiddenRegionConfPanel.setLayout(hiddenRegionLayout);
    complexExportPanel.setLayout(complexExportLayout);
    setLayout(mainLayout);

    chkAll.addItemListener(new ItemListener()
    {
      public void itemStateChanged(ItemEvent e)
      {
        checkAllAction();
      }
    });

    btnOk.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        ok_actionPerformed(e);
      }
    });

    btnCancel.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        cancel_actionPerformed(e);
      }
    });

    hiddenRegionConfPanel.add(chkAll, BorderLayout.NORTH);
    hiddenRegionConfPanel.add(chkHiddenSeqs, BorderLayout.CENTER);
    hiddenRegionConfPanel.add(chkHiddenCols, BorderLayout.SOUTH);
    chkHiddenSeqs.setEnabled(hasHiddenSeq);
    chkHiddenCols.setEnabled(hasHiddenCols);

    complexExportPanel.add(chkExportAnnots, BorderLayout.NORTH);
    complexExportPanel.add(chkExportFeats, BorderLayout.CENTER);
    complexExportPanel.add(chkExportGrps, BorderLayout.SOUTH);

    if (hasHiddenSeq || hasHiddenCols)
    {
      optionsPanel.add(hiddenRegionConfPanel);
    }

    if (isComplexAlignFile)
    {
      optionsPanel.add(complexExportPanel);
    }
    actionPanel.add(btnCancel);
    actionPanel.add(btnOk);

    add(optionsPanel, BorderLayout.NORTH);
    add(actionPanel, BorderLayout.SOUTH);

  }


  
  private void checkAllAction()
  {
    boolean isSelected = chkAll.isSelected();
    chkHiddenSeqs.setSelected(chkHiddenSeqs.isEnabled() && isSelected);
    chkHiddenCols.setSelected(chkHiddenCols.isEnabled() && isSelected);
    chkExportAnnots.setSelected(isComplexAlignFile
            && chkExportAnnots.isEnabled() && isSelected);
    chkExportFeats.setSelected(isComplexAlignFile
            && chkExportFeats.isEnabled() && isSelected);
    chkExportGrps.setSelected(isComplexAlignFile
            && chkExportGrps.isEnabled() && isSelected);
  }

  public abstract void ok_actionPerformed(ActionEvent e);

  public abstract void cancel_actionPerformed(ActionEvent e);
}