opentool.java

java绘图方面的源码 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 OpenTool extends AbstractTool {
    JFileChooser chooser;
    public OpenTool(Desktop desk, javax.swing.Icon icon) {
        super(desk);
        setToolTip(JTPUtil.getString("OpenTool_TIP"));
        setIcon(icon);
    }

    /**
     *启用工具
     */
    public void enabledTool() {
        super.enabledTool();
        if (chooser == null) {
            chooser = new JFileChooser();
        }
        chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
        chooser.setMultiSelectionEnabled(false);
        if (chooser.showOpenDialog(SwingUtilities.getWindowAncestor(
            (Component) desk)) != JFileChooser.APPROVE_OPTION) {
            desk.setTool(null);
            return;
        }

        File f = chooser.getSelectedFile();
        try {
            if (!f.exists()) {
                throw new Exception();
            }
            ObjectInputStream in = new ObjectInputStream(new FileInputStream(f));
            Desktop newDesk = (Desktop) in.readObject();
            in.close();
            desk.loadDesktop(newDesk);
            UndoRedoManager.getDefault().createNewFile();
        } catch (Exception ex) {
            JOptionPane.showMessageDialog( (Component) desk,
                JTPUtil.getString("OPEN_ERROR_MSG") + f.getAbsolutePath());

        }
        desk.setTool(null);
    }
}