iconcelleditor.java

具有不同语法高亮的编辑器实例

/*
 * 08/10/2005
 *
 * IconCellEditor.java - Editor component for icons.
 * 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.editors;

import java.awt.Component;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.AbstractCellEditor;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFileChooser;
import javax.swing.JTable;
import javax.swing.table.*;

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


/**
 * An iconcon editor for property sheets.
 *
 * @author Robert Futrell
 * @version 1.0
 */
public class IconCellEditor extends AbstractCellEditor
									implements TableCellEditor,
											ActionListener {

	/**
	 * 
	 */
	private static final long serialVersionUID = -7763853042168827561L;

	private IconButton iconButton;
	private JFileChooser fileChooser;

	private PropertyInfo cachedInfo;

	private static final String ICON_BUTTON		= "iconButton";


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


	public IconCellEditor() {
		iconButton = new IconButton();
		iconButton.setActionCommand(ICON_BUTTON);
		iconButton.addActionListener(this);
	}


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


	/**
	 * Callback for when the user clicks in the cell to change the icon.
	 *
	 * @param e The action event.
	 */
	public void actionPerformed(ActionEvent e) {
		if (e.getActionCommand().equals(ICON_BUTTON)) {
			// The user has clicked the cell, so
			// bring up the dialog.
			if (fileChooser==null)
				fileChooser = new JFileChooser();
			int rc = fileChooser.showOpenDialog(null);
			if (rc==JFileChooser.APPROVE_OPTION) {
				try {
					Image image = ImageIO.read(
									fileChooser.getSelectedFile());
					iconButton.setIcon(new ImageIcon(image));
				} catch (IOException ioe) {}
			}
			fireEditingStopped(); // Make the renderer reappear.
		}
	}


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


	public Object getCellEditorValue() {
		cachedInfo.setValue(getIcon());
		return cachedInfo;
	}


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


	public Icon getIcon() {
		return iconButton.getRepresentedIcon();
	}


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


	public Component getTableCellEditorComponent(JTable table,
									Object value,
									boolean isSelected,
									int row,
									int column) {
		cachedInfo = (PropertyInfo)value;
		iconButton.setIcon((Icon)cachedInfo.getValue());

		return iconButton;

	}


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

}