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

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Here is the source code for org.pmedv.blackboard.commands.RotateCCWCommand.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.awt.event.ActionEvent;
import java.awt.event.KeyEvent;

import javax.swing.Action;
import javax.swing.KeyStroke;
import javax.swing.undo.UndoManager;

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;
import org.pmedv.blackboard.components.Rotateable;
import org.pmedv.blackboard.components.Symbol;
import org.pmedv.core.commands.AbstractEditorCommand;
import org.pmedv.core.context.AppContext;
import org.springframework.context.ApplicationContext;

/**
 * <p>
 * This command rotates an {@link Item} counter-clockwise. 
 * </p>
 * <p>
 * If the item is a {@link Symbol}and it is broken up, the applied transform will be lost.
 * </p>
 * 
 * @author Matthias Pueski
 *
 */
public class RotateCCWCommand extends AbstractEditorCommand {

    private static final long serialVersionUID = -1204971682381964487L;
    private static final Log log = LogFactory.getLog(RotateCCWCommand.class);

    public RotateCCWCommand() {
        putValue(Action.NAME, resources.getResourceByKey("RotateCCWCommand.name"));
        putValue(Action.SMALL_ICON, resources.getIcon("icon.rotateccw"));
        putValue(Action.SHORT_DESCRIPTION, resources.getResourceByKey("RotateCCWCommand.description"));
        putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_L, 0));
        setEnabled(false);
    }

    @Override
    public void execute(ActionEvent e) {

        ApplicationContext ctx = AppContext.getContext();
        BoardEditor editor = EditorUtils.getCurrentActiveEditor();
        UndoManager undoManager = editor.getUndoManager();

        if (editor.getSelectedItem() != null) {
            if (editor.getSelectedItem() instanceof Rotateable) {
                Rotateable part = (Rotateable) editor.getSelectedItem();
                part.rotateCCW();
                if (!undoManager.addEdit(new RotateCCWEdit(part))) {
                    log.info("Could not add edit : " + this.getClass());
                }
                editor.refresh();
            }
        }

        ctx.getBean(RedoCommand.class).setEnabled(undoManager.canRedo());
        ctx.getBean(UndoCommand.class).setEnabled(undoManager.canUndo());

    }

}