IconCellRenderer.java

/*
 *  WPCleaner: A tool to help on Wikipedia maintenance tasks.
 *  Copyright (C) 2013  Nicolas Vervelle
 *
 *  See README.txt file for licensing information.
 */

package org.wikipediacleaner.gui.swing.component;

import java.awt.Component;

import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;

import org.wikipediacleaner.gui.swing.basic.Utilities;
import org.wikipediacleaner.images.EnumImageSize;


/**
 * A cell renderer for icons.
 */
public class IconCellRenderer extends DefaultTableCellRenderer {

  private static final long serialVersionUID = 1557809942272845154L;

  /**
   * Icon to use.
   */
  private final ImageIcon icon;

  /**
   * Constructor.
   */
  public IconCellRenderer(String iconName) {
    super();
    icon = (iconName != null) ?
        Utilities.getImageIcon(iconName, EnumImageSize.SMALL) :
        null;
  }

  /**
   * Returns the table cell renderer.
   * 
   * @param table  the <code>JTable</code>
   * @param value  the value to assign to the cell at
   *      <code>[row, column]</code>
   * @param isSelected true if cell is selected
   * @param hasFocus true if cell has focus
   * @param row  the row of the cell to render
   * @param column the column of the cell to render
   * @return the default table cell renderer
   * @see javax.swing.table.DefaultTableCellRenderer#getTableCellRendererComponent(javax.swing.JTable, java.lang.Object, boolean, boolean, int, int)
   */
  @Override
  public Component getTableCellRendererComponent(
      JTable table, Object value,
      boolean isSelected, boolean hasFocus,
      int row, int column) {
    if (icon != null) {
      return new JLabel(icon);
    }
    Component component = super.getTableCellRendererComponent(
        table, value, isSelected, hasFocus, row, column);
    return component;
  }
}