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

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

Source

/**
    
   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.InputEvent;
import java.awt.event.KeyEvent;

import javax.swing.Action;
import javax.swing.ImageIcon;
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.app.FileState;
import org.pmedv.blackboard.components.BoardEditor;
import org.pmedv.blackboard.components.Item;
import org.pmedv.blackboard.components.Layer;
import org.pmedv.blackboard.components.Resistor;
import org.pmedv.blackboard.dialogs.ResistorDialog;
import org.pmedv.blackboard.models.BoardEditorModel;
import org.pmedv.core.commands.AbstractEditorCommand;
import org.pmedv.core.context.AppContext;
import org.pmedv.core.dialogs.AbstractNiceDialog;
import org.springframework.context.ApplicationContext;

/**
 * This command adds a new {@link Resistor} with a specified value to the board.
 * 
 * @author Matthias Pueski (29.05.2011)
 * 
 */
public class AddResistorCommand extends AbstractEditorCommand {

    private static final long serialVersionUID = 6153211504066921518L;
    private static final Log log = LogFactory.getLog(AddResistorCommand.class);

    public AddResistorCommand() {
        putValue(Action.NAME, resources.getResourceByKey("AddResistorCommand.name"));
        putValue(Action.SMALL_ICON, resources.getIcon("icon.resistor"));
        putValue(Action.SHORT_DESCRIPTION, resources.getResourceByKey("AddResistorCommand.description"));
        putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_R, InputEvent.CTRL_DOWN_MASK));
        setEnabled(false);
    }

    @Override
    public void execute(ActionEvent e) {

        final ApplicationContext ctx = AppContext.getContext();
        final String title = resources.getResourceByKey("AddResistorCommand.name");
        final String subTitle = resources.getResourceByKey("AddResistorCommand.dialog.subtitle");
        final ImageIcon icon = resources.getIcon("icon.dialog.resistor");

        final ResistorDialog dlg = new ResistorDialog(title, subTitle, icon, null);
        dlg.setVisible(true);

        if (dlg.getResult() == AbstractNiceDialog.OPTION_CANCEL)
            return;

        final BoardEditor editor = EditorUtils.getCurrentActiveEditor();
        final Resistor resistor = dlg.getResistor();

        // now get a new index
        int max = 0;
        for (Layer layer : editor.getModel().getLayers()) {
            for (Item item : layer.getItems()) {
                if (item.getIndex() > max)
                    max = item.getIndex();
            }
        }
        max++;
        resistor.setIndex(max);

        // Check if the default part layer exists

        boolean onPartLayer = false;

        for (Layer layer : editor.getModel().getLayers()) {
            if (layer.getIndex() == BoardEditorModel.PART_LAYER) {
                resistor.setLayer(BoardEditorModel.PART_LAYER);
                onPartLayer = true;
                break;
            }
        }

        if (!onPartLayer) {
            resistor.setLayer(editor.getModel().getCurrentLayer().getIndex());
        }

        editor.getModel().getLayer(resistor.getLayer()).getItems().add(resistor);

        final UndoManager undoManager = editor.getUndoManager();
        if (!undoManager.addEdit(new AddResistorEdit(resistor))) {
            log.error("could not add edit to undo manager");
        }

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

        editor.setFileState(FileState.DIRTY);
        editor.updateStatusBar();
        editor.refresh();
    }

}