MaterialManager.java

/**
 * 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.managers;

import com.t_oster.visicut.misc.Helper;
import com.t_oster.visicut.model.MaterialProfile;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.converters.Converter;
import com.thoughtworks.xstream.converters.MarshallingContext;
import com.thoughtworks.xstream.converters.UnmarshallingContext;
import com.thoughtworks.xstream.io.HierarchicalStreamReader;
import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
import java.awt.Color;
import java.util.*;

/**
 * This class manages the available Material Profiles
 *
 * @author Thomas Oster <thomas.oster@rwth-aachen.de>
 */
public class MaterialManager extends FilebasedManager<MaterialProfile>
{

  class ColorConverter implements Converter
  {

    @Override
    public boolean canConvert(Class type)
    {
      return Color.class.equals(type);
    }

    public void marshal(Object o, HierarchicalStreamWriter writer, MarshallingContext mc)
    {
      writer.setValue(Helper.toHtmlRGB((Color) o));
    }

    public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext uc)
    {
      return Helper.fromHtmlRGB(reader.getValue());
    }
  }
  private static MaterialManager instance;

  public static MaterialManager getInstance()
  {
    if (instance == null)
    {
      instance = new MaterialManager();
    }
    return instance;
  }

  /*
   * Need a public constructior for UI manager
   * Do not use. Use getInstance instead
   */
  public MaterialManager()
  {
    if (instance != null)
    {
      System.err.println("ProfileManager should not be instanciated directly");
    }
  }

  @Override
  protected XStream createXStream()
  {
    XStream xstream = super.createXStream();
    xstream.alias("material", MaterialProfile.class);
    xstream.registerConverter(new ColorConverter(), XStream.PRIORITY_VERY_HIGH);
    return xstream;
  }

  @Override
  protected String getSubfolderName()
  {
    return "materials";
  }

  @Override
  public String getThumbnail(MaterialProfile o)
  {
    return o.getThumbnailPath();
  }

  @Override
  public void setThumbnail(MaterialProfile o, String f)
  {
    o.setThumbnailPath(f);
  }
  private Comparator<MaterialProfile> comparator = new Comparator<MaterialProfile>()
  {
    public int compare(MaterialProfile t, MaterialProfile t1)
    {
      return t.toString().compareTo(t1.toString());
    }
  };

  @Override
  protected Comparator getComparator()
  {
    return comparator;
  }
}