org.pmedv.blackboard.commands.DeleteEdit.java Source code

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Here is the source code for org.pmedv.blackboard.commands.DeleteEdit.java

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/**
    
   BlackBoard breadboard designer
   Written and maintained by Matthias Pueski 
       
   Copyright (c) 2010-2011 Matthias Pueski
       
   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation; either version 2
   of the License, or (at your option) any later version.
       
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
       
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
    
 */
package org.pmedv.blackboard.commands;

import java.util.ArrayList;

import javax.swing.undo.AbstractUndoableEdit;
import javax.swing.undo.CannotRedoException;
import javax.swing.undo.CannotUndoException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pmedv.blackboard.EditorUtils;
import org.pmedv.blackboard.components.BoardEditor;
import org.pmedv.blackboard.components.Item;

/**
 * @author Matthias Pueski (29.05.2011)
 *
 */
public class DeleteEdit extends AbstractUndoableEdit {

    private static final long serialVersionUID = 268168440492800806L;
    private ArrayList<Item> items;
    private static final Log log = LogFactory.getLog(DeleteEdit.class);

    public DeleteEdit(ArrayList<Item> items) {
        this.items = items;
        log.info("Deleted " + items.size() + " items.");
    }

    @Override
    public void undo() throws CannotUndoException {
        super.undo();
        BoardEditor editor = EditorUtils.getCurrentActiveEditor();
        log.info("Restoring " + items.size() + " items.");
        for (Item item : items)
            editor.getModel().getLayer(item.getLayer()).getItems().add(item);
        editor.updateStatusBar();
    }

    @Override
    public void redo() throws CannotRedoException {
        super.redo();
        BoardEditor editor = EditorUtils.getCurrentActiveEditor();
        for (Item item : items)
            editor.getModel().getLayer(item.getLayer()).getItems().remove(item);
        editor.updateStatusBar();
    }

    @Override
    public String getPresentationName() {
        return "Delete item";
    }
}