savetool.java

这个是一个java绘图方面的源码

package com.sunking.tp.tool;

import com.sunking.tp.framework.*;
import com.sunking.tp.util.*;
import javax.swing.*;
import java.awt.*;
//import java.beans.*;
import java.io.*;

/**
 *
 * <p>Title: </p>
 * <p>Description: 保存工具</p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: </p>
 * @author <a href="mailto:[e-mail]">SunKing</a>
 * @version 1.0
 */
public class SaveTool extends AbstractTool {
    public SaveTool(Desktop desk, javax.swing.Icon icon) {
        super(desk);
        setToolTip(JTPUtil.getString("SaveTool_TIP"));
        setIcon(icon);
    }

    /**
     *启用工具
     */
    public void enabledTool() {
        super.enabledTool();
        JFileChooser chooser = new JFileChooser();
        chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
        chooser.setMultiSelectionEnabled(false);
        if (chooser.showSaveDialog(SwingUtilities.getWindowAncestor(
            (Component) desk)) != JFileChooser.APPROVE_OPTION){
            desk.setTool(null);
            return;
        }
        File f = chooser.getSelectedFile();
        try {
            if (!f.exists()) {
                f.createNewFile();
            }
            ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(f));
            out.writeObject(desk);
            out.close();
            //保存以后有时候会丢失颜色,BUG???
            ( (Component) desk).setBackground(UIManager.getColor("Desktop.background"));
        } catch (IOException ex) {
            JOptionPane.showMessageDialog( (Component) desk,
                "Write to file error :" + f.getAbsolutePath());
        }
        desk.setTool(null);
    }
}