colourvalueeditor.java

使用stl技术,(还没看,是听说的)

/*  Ogre4J
    Copyright (C) 2002 macross

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or any later version.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
package org.ogre4j.beans.editor;

import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.lang.reflect.Method;

import javax.swing.JTextField;

import org.ogre4j.ColourValue;


/**
 * ColourValueEditor
 * 
 * @author Ivica Aracic <[e-mail]>
 */
public class ColourValueEditor extends AbstractEditor implements ActionListener {
    private JTextField
        r = new JTextField(),
        g = new JTextField(),
        b = new JTextField(),
        a = new JTextField();
    
    public ColourValueEditor() {
        super();
        setLayout(new GridLayout(0,4));
        add(r);
        add(g);
        add(b);
        add(a);
        
        r.addActionListener(this);
        g.addActionListener(this);
        b.addActionListener(this);
        a.addActionListener(this);
    }

    public void readProperty() {
        try {       
            Method readMethod = propertyDesc.getReadMethod();
            ColourValue vec = (ColourValue)readMethod.invoke(obj, null);
                        
            r.setText(Float.toString(vec.r));
            g.setText(Float.toString(vec.g));
            b.setText(Float.toString(vec.b));
            a.setText(Float.toString(vec.a));
        }
        catch(Exception e) {
            e.printStackTrace();
        } 
    }   
    
    public void actionPerformed(ActionEvent ev) {
        try {                   
            Method writeMethod = propertyDesc.getWriteMethod();
            writeMethod.invoke(
                obj,
                new Object[]{
                    new ColourValue(
                        Float.parseFloat(r.getText()),
                        Float.parseFloat(g.getText()),
                        Float.parseFloat(b.getText()),
                        Float.parseFloat(a.getText())
                    )
                }
            );
        }
        catch(Exception e) {
            e.printStackTrace();
        }
        finally {
            readProperty();
        }
    }
}