attributetypecellrenderer.java

JAVA开源LDAP浏览器jxplorer的源码!

package com.ca.directory.jxplorer.viewer.tableviewer;

import java.awt.Component;
import javax.swing.JTable;
import javax.swing.table.*;
import java.awt.*;
    /*
     *    A minimal extension of DefaultTableCellRenderer allowing
     *    us to set some rows to bold font and others to normal font.
     *
     */
                                               
public class AttributeTypeCellRenderer extends DefaultTableCellRenderer

{
    Font normalFont;
    Font boldFont;
    Font boldBlueFont;
    /**
     *    constructor calls the super class constructor, and
     *    initialises the fonts.
     */
    public AttributeTypeCellRenderer() 
    {
        super();
        normalFont = this.getFont();
        boldFont = normalFont.deriveFont(java.awt.Font.BOLD);
        boldBlueFont = normalFont.deriveFont(java.awt.Font.BOLD);
    }

    /**
     *    intercepts the super classes returned component, and sets the
     *    font on it before returning.
     */    
    public Component getTableCellRendererComponent(JTable table, Object value, 
        boolean isSelected, boolean hasFocus, int row, int column)
    {
        if (value instanceof AttributeType)
        {
            AttributeType attType = (AttributeType)value;
            
            Component c = super.getTableCellRendererComponent(table, attType.getValue(), isSelected, hasFocus, row, column);
            
            if (attType.isMandatory())
            {
                c.setFont(boldFont);
            }    
            else
            {
                c.setFont(normalFont);    
            }    
            return c;                
            
        }
        else    
            return super.getTableCellRendererComponent(table, new String("error"), isSelected, hasFocus, row, column);
    }    
}