adjustundoableedit.java

这个是一个java绘图方面的源码

package com.sunking.tp.undoredo;

import javax.swing.undo.AbstractUndoableEdit;
import com.sunking.tp.framework.*;
import com.sunking.tp.util.*;
import javax.swing.undo.*;
import java.awt.*;

/**
 * <p>Title: AdjustUndoableEdit</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: </p>
 * @author <a href="mailto:[e-mail]">SunKing</a>
 * @version 1.0
 */

public class AdjustUndoableEdit extends AbstractUndoableEdit {
    JTPComponent com;
    Desktop desk;
    Rectangle oldRec;
    public AdjustUndoableEdit(Desktop desk, JTPComponent com) {
        this.com = com;
        this.desk = desk;
        oldRec = getBounds();
    }

    Rectangle getBounds() {
        Rectangle rec = ( (Component) com).getBounds();
        return rec;
    }

    public String getUndoPresentationName() {
        return JTPUtil.getString("Undo_Adjust");
    }

    public String getRedoPresentationName() {
        return JTPUtil.getString("Redo_Adjust");
    }

    public void undo() throws CannotUndoException {
        super.undo();
        Rectangle newRec = getBounds();
        ((Component)com).setBounds(oldRec);
        oldRec = newRec;
        desk.fireAssoicatorChanged();
    }

    public void redo() throws CannotRedoException {
        super.redo();
        Rectangle newRec = getBounds();
        ((Component)com).setBounds(oldRec);
        oldRec = newRec;
        desk.fireAssoicatorChanged();
    }
}