/**********************************************
    * Copyright (C) 2011, 2012 Lukas Laag
    * This file is part of svgreal.
    * 
    * svgreal 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 3 of the License, or
    * (at your option) any later version.
    * 
   * svgreal 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 svgreal.  If not, see http://www.gnu.org/licenses/
   **********************************************/
  package org.vectomatic.svg.edit.client.command;
  
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.vectomatic.svg.edit.client.command.edit.EditCircleGeometryManipulator;
  import org.vectomatic.svg.edit.client.command.edit.EditEllipseGeometryManipulator;
  import org.vectomatic.svg.edit.client.command.edit.EditImageGeometryManipulator;
  import org.vectomatic.svg.edit.client.command.edit.EditLineGeometryManipulator;
  import org.vectomatic.svg.edit.client.command.edit.EditManipulatorBase;
  import org.vectomatic.svg.edit.client.command.edit.EditPathGeometryManipulator;
  import org.vectomatic.svg.edit.client.command.edit.EditRectGeometryManipulator;
  import org.vectomatic.svg.edit.client.command.edit.EditSVGPointsManipulator;
  import org.vectomatic.svg.edit.client.command.edit.EditUseGeometryManipulator;
  import org.vectomatic.svg.edit.client.command.edit.EditViewBoxGeometryManipulator;
  import org.vectomatic.svg.edit.client.model.MetaModel;
  import org.vectomatic.svg.edit.client.model.ModelCategory;
  import org.vectomatic.svg.edit.client.model.ModelConstants;
  import org.vectomatic.svg.edit.client.model.svg.SVGCircleElementModel;
  import org.vectomatic.svg.edit.client.model.svg.SVGElementModel;
  import org.vectomatic.svg.edit.client.model.svg.SVGEllipseElementModel;
  import org.vectomatic.svg.edit.client.model.svg.SVGImageElementModel;
  import org.vectomatic.svg.edit.client.model.svg.SVGLineElementModel;
  import org.vectomatic.svg.edit.client.model.svg.SVGPathElementModel;
  import org.vectomatic.svg.edit.client.model.svg.SVGPolygonElementModel;
  import org.vectomatic.svg.edit.client.model.svg.SVGPolylineElementModel;
  import org.vectomatic.svg.edit.client.model.svg.SVGRectElementModel;
  import org.vectomatic.svg.edit.client.model.svg.SVGUseElementModel;
  import org.vectomatic.svg.edit.client.model.svg.SVGViewBoxElementModel;
  
  /**
   * Class to edit the attributes belonging to the geometry model category
   * @author laaglu
   */
  public class EditGeometryCommandFactory extends ManipulatorCommandFactoryBase {
  	@SuppressWarnings("serial")
  	public static final IFactoryInstantiator<EditGeometryCommandFactory> INSTANTIATOR = new FactoryInstantiatorBase<EditGeometryCommandFactory>(ModelConstants.INSTANCE.editGeometryCmdFactory(), ModelConstants.INSTANCE.editGeometryCmdFactoryDesc()) {
  		@Override
  		public EditGeometryCommandFactory create() {
  			return new EditGeometryCommandFactory();
  		}
  	};
  	protected static Map<MetaModel<?>, EditManipulatorBase> metaModelToManipulator;
  	
  	public EditGeometryCommandFactory() {
  		ModelConstants constants = ModelConstants.INSTANCE;
  		state1 = constants.editGeometryCmdFactory1();
  		state2 = constants.editGeometryCmdFactory2();
  		filter = new IModelFilter() {
  			@Override
  			public boolean accept(List<SVGElementModel> models) {
  				return models.size() == 1 && models.get(0).getMetaModel().getCategory(ModelCategory.GEOMETRY) != null;
  			}			
  		};
  	}
  	
  	@Override
  	public IFactoryInstantiator<?> getInstantiator() {
  		return INSTANTIATOR;
  	}
  
  	@Override
  	protected ICommand createCommand(SVGElementModel model, Map<String, Object> changes) {
  		return new GenericEditCommand(this, model, changes, ModelConstants.INSTANCE.editGeometryCmd());
  	}
  	
  	@Override
  	protected EditManipulatorBase getManipulator(SVGElementModel model) {
  		if (metaModelToManipulator == null) {
  			metaModelToManipulator = new HashMap<MetaModel<?>, EditManipulatorBase>();
  			metaModelToManipulator.put(SVGLineElementModel.getLineElementMetaModel(), new EditLineGeometryManipulator());
  			metaModelToManipulator.put(SVGCircleElementModel.getCircleElementMetaModel(), new EditCircleGeometryManipulator());
  			metaModelToManipulator.put(SVGEllipseElementModel.getEllipseElementMetaModel(), new EditEllipseGeometryManipulator());
  			metaModelToManipulator.put(SVGRectElementModel.getRectElementMetaModel(), new EditRectGeometryManipulator());
  			metaModelToManipulator.put(SVGPolygonElementModel.getPolygonElementMetaModel(), new EditSVGPointsManipulator());
  			metaModelToManipulator.put(SVGPolylineElementModel.getPolylineElementMetaModel(), new EditSVGPointsManipulator());
  			metaModelToManipulator.put(SVGViewBoxElementModel.getViewBoxElementMetaModel(), new EditViewBoxGeometryManipulator());
  			metaModelToManipulator.put(SVGPathElementModel.getPathElementMetaModel(), new EditPathGeometryManipulator());
  			metaModelToManipulator.put(SVGPathElementModel.getPathElementMetaModel(), new EditPathGeometryManipulator());
  			metaModelToManipulator.put(SVGImageElementModel.getImageElementMetaModel(), new EditImageGeometryManipulator());
  			metaModelToManipulator.put(SVGUseElementModel.getUseElementMetaModel(), new EditUseGeometryManipulator());
 		}
 		MetaModel<?> metaModel = model.getMetaModel();
 		assert(metaModel != null);
 		return metaModelToManipulator.get(metaModel);
 	}
 }