jtpcomponentsection.java

这个是一个java绘图方面的源码

package com.sunking.tp.framework;

import java.awt.datatransfer.*;
import java.io.*;

/**
 * <p>Title: </p>
 * <p>Description: JTP组件复制部件</p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: </p>
 * @author <a href="mailto:[e-mail]">SunKing</a>
 * @version 1.0
 */
public class JTPComponentSection implements Transferable, ClipboardOwner {
    /**
     *FLAVOR
     */
    public static final DataFlavor JTPButtonFlavor = new DataFlavor(
            "application/x-java-JTPButton;class="+JTPComponent.class.getName(),null);
    private static final DataFlavor[] flavors = {JTPButtonFlavor};
    /**
     *被复制或传递的组件
     */
    private JTPComponent data[];
    /**
     * @param source 被复制或传递的组件
     */
    public JTPComponentSection(JTPComponent source[]) {
        data = new JTPComponent[source.length];
        for (int i = 0; i < source.length; i++) {
            data[i] = (JTPComponent)(source[i].clone());
        }
    }
    public DataFlavor[] getTransferDataFlavors() {
        return (DataFlavor[])flavors.clone();
    }
    public boolean isDataFlavorSupported(DataFlavor flavor) {
        for (int i = 0; i < flavors.length; i++) {
            if (flavor.equals(flavors[i])) {
                return true;
            }
        }
        return false;
    }
    public Object getTransferData(DataFlavor flavor)
            throws UnsupportedFlavorException, IOException
    {
        if (flavor.equals(flavors[0])) {
            JTPComponent result [] = new JTPComponent[data.length];
            for (int i = 0; i < data.length; i++) {
                result[i]=(JTPComponent)(data[i].clone());
            }
            return result;
        } else {
            throw new UnsupportedFlavorException(flavor);
        }
    }
    public void lostOwnership(Clipboard clipboard, Transferable contents){}
}