propertynamecellrenderer.java

具有不同语法高亮的编辑器实例

/*
 * 08/10/2005
 *
 * PropertyNameCellRenderer.java - Renderer for property names.
 * Copyright (C) 2005 Robert Futrell
 * [e-mail]
 * www.website.com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package org.fife.ui.propertysheet.renderers;

import java.awt.Component;
import java.awt.Font;
import javax.swing.JTable;
import javax.swing.UIManager;
import javax.swing.table.DefaultTableCellRenderer;

import org.fife.ui.propertysheet.infos.PropertyInfo;


/**
 * Renderer for property names.  This class writes the names of modified
 * properties in bold.
 *
 * @author Robert Futrell
 * @version 1.0
 */
public class PropertyNameCellRenderer extends DefaultTableCellRenderer {

	/**
	 * 
	 */
	private static final long serialVersionUID = -1461356003960084503L;


/*****************************************************************************/


	/**
	 * Returns the font to use for a modified property.
	 *
	 * @return The font.
	 */
	protected Font createDerivedFont() {
		// Toggle the boldness (in case you are using an odd UI such as some
		// Ocean theme that uses a bold font as the default for labels).
		Font font = getFont();
		font = font.deriveFont(font.getStyle()^Font.BOLD);
		return font;
	}


/*****************************************************************************/

	/**
	 * Returns the component with which to renderer property names.
	 */
	public Component getTableCellRendererComponent(JTable table, Object value,
				boolean isSelected, boolean hasFocus, int row, int column) {
		super.getTableCellRendererComponent(table, value, isSelected,
									hasFocus, row, column);
		setFont(UIManager.getFont("Label.font")); // Set default font.
		PropertyInfo info = (PropertyInfo)table.getValueAt(row, 1);
		Object propValue = info.getValue();
		Object propDefaultValue = info.getDefaultValue();
		if (propValue!=null && !propValue.equals(propDefaultValue))
			setFont(createDerivedFont());
		setEnabled(info.isModifiable());
		return this;
	}


/*****************************************************************************/

}