package jalview.gui;

import jalview.jbgui.*;
import jalview.schemes.*;
import jalview.datamodel.*;
import java.awt.event.*;
import javax.swing.event.*;
import java.util.*;

public class SliderPanel extends GSliderPanel
{
  AlignmentPanel ap;
  boolean forConservation = true;
  ColourSchemeI cs;

  public SliderPanel(AlignmentPanel ap, int value, boolean forConserve, ColourSchemeI cs)
  {
    this.ap = ap;
    this.cs = cs;
    forConservation = forConserve;
    undoButton.setVisible(false);
    applyButton.setVisible(false);
    if(forConservation)
    {
      label.setText("Enter the value by which to decrease conservation colour intensity");
      slider.setMinimum(0);
      slider.setMaximum(50);
    }
    else
    {
      label.setText("Enter the percent identity above which to colour residues");
      slider.setMinimum(0);
      slider.setMaximum(100);
    }



    slider.addChangeListener( new ChangeListener()
    {
      public void stateChanged(ChangeEvent evt)
      {
        valueField.setText( slider.getValue()+"" );
        valueChanged( slider.getValue() );
      }
    });

    slider.setValue(value);
    valueField.setText(value+"");
  }

  public void valueChanged(int i)
  {
    if(cs == null)
      return;

    ColourSchemeI toChange = null;
    Vector allGroups = null;
    int groupIndex = 0;

    if(allGroupsCheck.isSelected())
    {
      allGroups = ap.av.alignment.getGroups();
      groupIndex = allGroups.size()-1;
    }
    else
      toChange = cs;


    while( groupIndex > -1 )
    {
      if(allGroups!=null)
        toChange = ((SequenceGroup)allGroups.get(groupIndex)).cs;

      if (forConservation)
      {
        if (toChange instanceof ConservationColourScheme)
          ( (ConservationColourScheme) toChange).inc = i;
      }
      else
      {
        if (toChange.canThreshold())
          ( (ResidueColourScheme) toChange).setThreshold(i);
      }

      groupIndex--;
    }


    ap.seqPanel.seqCanvas.paintFlag=true;
    ap.seqPanel.repaint();

  }

  public void setAllGroupsCheckEnabled(boolean b)
  {
    allGroupsCheck.setEnabled(b);
  }


  public void valueField_actionPerformed(ActionEvent e)
  {
    try{
      int i = Integer.parseInt(valueField.getText());
      slider.setValue(i);
    }
    catch(Exception ex)
    {
      valueField.setText( slider.getValue()+"" );
    }
  }

  public void setValue(int value)
  {
    slider.setValue(value);
  }
  public int getValue()
  {
    return Integer.parseInt(valueField.getText());
  }


}