dragundoableedit.java

制图软件

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: DragUndoableEdit</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 DragUndoableEdit extends AbstractUndoableEdit {
    JTPComponent com[];
    Desktop desk;
    Rectangle oldRec[];
    public DragUndoableEdit(Desktop desk, JTPComponent[] com) {
        this.com = com;
        this.desk = desk;
        oldRec = getBounds();
    }

    Rectangle[] getBounds() {
        Rectangle rec[] = new Rectangle[com.length];
        for (int index = 0; index < com.length; index++) {
            Component c = ( (Component) com[index]);
            rec[index] = c.getBounds();
        }
        return rec;
    }

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

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

    public void undo() throws CannotUndoException {
        super.undo();
        Rectangle newRec[] = getBounds();
        for (int index = 0; index < com.length; index++) {
            Component c = ( (Component) com[index]);
            c.setBounds(oldRec[index]);
        }
        oldRec = newRec;
        desk.fireAssoicatorChanged();
    }

    public void redo() throws CannotRedoException {
        super.redo();
        Rectangle newRec[] = getBounds();
        for (int index = 0; index < com.length; index++) {
            Component c = ( (Component) com[index]);
            c.setBounds(oldRec[index]);
        }
        oldRec = newRec;

        desk.fireAssoicatorChanged();
    }
}