Main.java Source code

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Here is the source code for Main.java

Source

import java.awt.Component;

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JTable;
import javax.swing.UIManager;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.JTableHeader;

public class Main {
    public static void main(String[] argv) throws Exception {
        DefaultTableModel model = new DefaultTableModel();
        JTable table = new JTable(model);

        model.addColumn("Col1");
        model.addColumn("Col2");

        table.getTableHeader().getColumnModel().getColumn(1).setHeaderRenderer(new IconHeaderRenderer());

        table.getColumnModel().getColumn(1).setHeaderValue(new TextAndIcon("Col2", new ImageIcon("icon.gif")));
    }
}

class TextAndIcon {
    TextAndIcon(String text, Icon icon) {
        this.text = text;
        this.icon = icon;
    }

    String text;

    Icon icon;
}

class IconHeaderRenderer extends DefaultTableCellRenderer {
    public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
            int row, int column) {
        if (table != null) {
            JTableHeader header = table.getTableHeader();
            if (header != null) {
                setForeground(header.getForeground());
                setBackground(header.getBackground());
                setFont(header.getFont());
            }
        }
        if (value instanceof TextAndIcon) {
            setIcon(((TextAndIcon) value).icon);
            setText(((TextAndIcon) value).text);
        } else {
            setText((value == null) ? "" : value.toString());
            setIcon(null);
        }
        setBorder(UIManager.getBorder("TableHeader.cellBorder"));
        setHorizontalAlignment(JLabel.CENTER);
        return this;
    }
}