// NSkyInfoPanel.java
// Joe Snow
// Wes Wariner
// 2.21.01

//import com.sun.java.swing.*;
import javax.swing.*;
//import com.sun.java.swing.event.*;
import javax.swing.*;
import java.awt.*;
import java.text.DecimalFormat;
import java.awt.event.*;

// aspire imports
import SkySeasonsMixApplet;

public class NSkyInfoPanel extends JPanel
{   
    private SkySeasonsMixApplet top;
    private JLabel dateLabel;       // current date
    private DecimalFormat df;
    private JLabel starsLabel;
    private JLabel constLabel;
    private JLabel linesLabel;
    
    private int numc, numl;
    
    
    public NSkyInfoPanel( SkySeasonsMixApplet theapp )
    {   
        this.top = theapp;
        df = new DecimalFormat();
        df.setMinimumFractionDigits( 2 );
        df.setMaximumFractionDigits( 2 );
        this.setLayout( new GridLayout( 2, 2, 6, 3 ) );
        this.setBackground( Color.black );
        
        dateLabel = new JLabel( " Date: ", JLabel.LEFT ); 
        dateLabel.setVerticalAlignment( JLabel.CENTER );
        dateLabel.setForeground( Color.white );
        starsLabel = new JLabel( " Number of stars shown: ", JLabel.LEFT); 
        starsLabel.setVerticalAlignment( JLabel.CENTER );
        starsLabel.setForeground( Color.white );
        constLabel = new JLabel( " Constellation names shown:            ", JLabel.LEFT);
        constLabel.setVerticalAlignment( JLabel.CENTER );
        constLabel.setForeground( Color.white );
        linesLabel = new JLabel( " Constellation lines shown:            ", JLabel.LEFT);
        linesLabel.setVerticalAlignment( JLabel.CENTER );
        linesLabel.setForeground( Color.white );
        
        this.add( dateLabel );
        this.add( constLabel );
        this.add( starsLabel );
        this.add( linesLabel );
    }
    
    public void update() 
    {
        numc =0;
        numl =0;
        if (top.nightskycomponent.nightskyapp.uselines) {
            if (top.nightskycomponent.nightskyapp.usealtlines) {
                numl = top.nightskycomponent.nightskyapp.altnumlines;   
            } else {
            numl = top.nightskycomponent.nightskyapp.numlines;   
            }
        }
        if (top.nightskycomponent.nightskyapp.usenames) {
            numc = top.nightskycomponent.nightskyapp.numconst;   
        }

        dateLabel.setText ( " Date: " + top.getDate_str() );
        starsLabel.setText( " Number of stars shown: " + top.nightskycomponent.nightskyapp.usestars ); 
        constLabel.setText( " Constellation names shown:  " + numc );
        linesLabel.setText( " Constellation lines shown:  " + numl );
    }
}