/*
 * [VerCheckHeaderRenderer.java]
 *
 * Summary: Renders the table headers.
 *
 * Copyright: (c) 2009-2017 Roedy Green, Canadian Mind Products, http://mindprod.com
 *
 * Licence: This software may be copied and used freely for any purpose but military.
 *          http://mindprod.com/contact/nonmil.html
 *
 * Requires: JDK 1.8+
 *
 * Created with: JetBrains IntelliJ IDEA IDE http://www.jetbrains.com/idea/
 *
 * Version History:
 *  3.8 2009-03-31 change order of fields in defaults.csv.
 */
package com.mindprod.vercheck;

import com.mindprod.common18.FontFactory;

import javax.swing.BorderFactory;
import javax.swing.JLabel;
import javax.swing.JTable;
import javax.swing.table.TableCellRenderer;
import java.awt.Color;
import java.awt.Component;
import java.awt.Font;

/**
 * Renders the table headers.
 *
 * @author Roedy Green, Canadian Mind Products
 * @version 3.8 2009-03-31 change order of fields in defaults.csv.
 * @since 2009
 */
final class VerCheckHeaderRenderer implements TableCellRenderer
    {
    /**
     * background colour for column headers
     */
    private static final Color BACKGROUND_FOR_HEADER = Color.BLUE;

    /**
     * foreground colour for column headers
     */
    private static final Color FOREGROUND_FOR_HEADER = Color.WHITE;

    /**
     * header font
     */
    private static final Font FONT_FOR_HEADERS = FontFactory.build( "Dialog", Font.BOLD, 14 );

    /**
     * template for HeaderRender, reuses same component for all headers.
     */
    private static final JLabel headerTemplate;

    static
        {
        headerTemplate = new JLabel( "", JLabel.CENTER );
        headerTemplate.setForeground( FOREGROUND_FOR_HEADER );
        headerTemplate.setBackground( BACKGROUND_FOR_HEADER );
        headerTemplate.setFont( FONT_FOR_HEADERS );
        headerTemplate.setBorder( BorderFactory.createLineBorder( Color.GRAY ) );
        headerTemplate.setOpaque( true );
        }

    public Component getTableCellRendererComponent( JTable table,
                                                    Object value,
                                                    boolean isSelected,
                                                    boolean hasFocus,
                                                    int row,
                                                    int column )
        {
        headerTemplate.setText( value.toString() );
        return headerTemplate;
        }
    }