/**
* This file is part of VisiCut.
* Copyright (C) 2011 - 2013 Thomas Oster <thomas.oster@rwth-aachen.de>
* RWTH Aachen University - 52062 Aachen, Germany
*
* VisiCut is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* VisiCut 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with VisiCut. If not, see <http://www.gnu.org/licenses/>.
**/
package com.t_oster.visicut.model.graphicelements.lssupport;
import com.t_oster.liblasercut.laserscript.ScriptInterface;
import com.t_oster.liblasercut.laserscript.ScriptInterpreter;
import com.t_oster.visicut.managers.PreferencesManager;
import com.t_oster.visicut.model.graphicelements.GraphicSet;
import com.t_oster.visicut.model.graphicelements.ImportException;
import com.t_oster.visicut.model.graphicelements.Importer;
import java.awt.geom.AffineTransform;
import java.awt.geom.GeneralPath;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.prefs.PreferenceChangeEvent;
import javax.script.ScriptException;
import javax.swing.filechooser.FileFilter;
/**
*
* @author thommy
*/
public class LaserScriptImporter implements Importer
{
public FileFilter getFileFilter()
{
return new FileFilter()
{
@Override
public boolean accept(File file)
{
String name = file.getAbsolutePath().toLowerCase();
return file.isDirectory() || name.endsWith(".ls");
}
@Override
public String getDescription()
{
return "LaserScript (ls)";
}
};
}
public GraphicSet importFile(File inputFile, List<String> warnings) throws ImportException
{
GraphicSet result = new GraphicSet();
result.setBasicTransform(new AffineTransform());
final GeneralPath resultingShape = new GeneralPath();
final List<String> messages = new LinkedList<String>();
ScriptInterpreter ip = new ScriptInterpreter();
try
{
ip.execute(new FileReader(inputFile), new ScriptInterfaceLogUi(new ScriptInterface(){
private Map<String,Object> settings = new LinkedHashMap<String,Object>();
//first element in a shape has to be a move
private boolean firstMove = true;
public void move(double x, double y)
{
if (x == Double.NaN || y == Double.NaN)
{
throw new IllegalArgumentException("Move called with ("+x+","+y+")");
}
resultingShape.moveTo(x, y);
firstMove = false;
}
public void line(double x, double y)
{
if (x == Double.NaN || y == Double.NaN)
{
throw new IllegalArgumentException("Line called with ("+x+","+y+")");
}
if (firstMove)
{
move(0, 0);
}
resultingShape.lineTo(x, y);
}
public void set(String property, Object value)
{
settings.put(property, value);
}
public Object get(String property)
{
return settings.get(property);
}
public void echo(String text)
{
//intercepted by decorator anyway
}
}), !PreferencesManager.getInstance().getPreferences().isDisableSandbox());
}
catch (IOException e)
{
throw new ImportException(e);
}
catch (ScriptException ex)
{
warnings.add("Error in line: "+ex.getLineNumber()+": "+ex.getMessage());
}
warnings.addAll(messages);
result.add(new LaserScriptShape(resultingShape, inputFile));
return result;
}
}