colorcelleditor.java

具有不同语法高亮的编辑器实例

/*
 * 08/10/2005
 *
 * ColorCellEditor.java - Editor component for colors.
 * 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.Color;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.AbstractCellEditor;
import javax.swing.JColorChooser;
import javax.swing.JDialog;
import javax.swing.JTable;
import javax.swing.table.*;

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


/**
 * A color editor for property sheets.
 *
 * @author Robert Futrell
 * @version 0.1
 */
public class ColorCellEditor extends AbstractCellEditor
									implements TableCellEditor,
											ActionListener {

	/**
	 * 
	 */
	private static final long serialVersionUID = 2485728406995815067L;
	private Color currentColor;
	private ColorButton colorButton;
	private JColorChooser colorChooser;
	private JDialog dialog;

	private PropertyInfo cachedInfo;

	private static final String COLOR_BUTTON	= "ColorButton";


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


	public ColorCellEditor() {
		colorButton = new ColorButton();
		colorButton.setActionCommand(COLOR_BUTTON);
		colorButton.addActionListener(this);
		colorChooser = new JColorChooser();
		dialog = JColorChooser.createDialog(colorButton,
							"Pick a Color",
							true,  //modal
							colorChooser,
							this,	// OK button handler
							null);	// No CANCEL button handler
	}


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


	/**
	 * Callback for when the user clicks in the cell to change the color.
	 *
	 * @param e The action event.
	 */
	public void actionPerformed(ActionEvent e) {
		if (e.getActionCommand().equals(COLOR_BUTTON)) {
			// The user has clicked the cell, so
			// bring up the dialog.
			colorChooser.setColor(currentColor);
			colorButton.setText("...");
			dialog.setVisible(true);
			fireEditingStopped(); // Make the renderer reappear.
		}
		else {
			//Otherwise, the user pressed dialog's "OK" button.
			currentColor = colorChooser.getColor();
		}
	}


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


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


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


	public Color getColor() {
		return currentColor;
	}


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


	public Component getTableCellEditorComponent(JTable table,
									Object value,
									boolean isSelected,
									int row,
									int column) {
		cachedInfo = (PropertyInfo)value;
		currentColor = (Color)cachedInfo.getValue();
		colorButton.setColor(currentColor);

		return colorButton;

	}


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

}