Application: gvSIG desktop » gvSIG tools: Vector editing

/*

 * Copyright 2014 DiSiD Technologies S.L.L. All rights reserved.

 *

 * Project  : DiSiD org.gvsig.vectorediting.lib.prov.circle2P

 * SVN Id   : $Id$

 */

package org.gvsig.vectorediting.lib.prov.circlecr;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.aggregate.MultiCurve;

import org.gvsig.fmap.geom.aggregate.MultiSurface;

import org.gvsig.fmap.geom.exception.CreateGeometryException;

import org.gvsig.fmap.geom.primitive.Arc;

import org.gvsig.fmap.geom.primitive.Circle;

import org.gvsig.fmap.geom.primitive.Point;

import org.gvsig.fmap.geom.type.GeometryType;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.service.spi.ProviderServices;

import org.gvsig.vectorediting.lib.api.EditingServiceParameter;

import org.gvsig.vectorediting.lib.api.EditingServiceParameter.TYPE;

import org.gvsig.vectorediting.lib.spi.AbstractEditingProvider;

import org.gvsig.vectorediting.lib.spi.DefaultEditingServiceParameter;

import org.gvsig.vectorediting.lib.spi.EditingProvider;

import org.gvsig.vectorediting.lib.spi.EditingProviderFactory;

import org.gvsig.vectorediting.lib.spi.EditingProviderServices;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class CircleCREditingProvider extends AbstractEditingProvider implements

    EditingProvider {

  private static final Logger logger = LoggerFactory.getLogger(CircleCREditingProvider.class);

  private EditingServiceParameter center = new DefaultEditingServiceParameter(

      "Center", "Center position of circle", TYPE.POSITION);

  private EditingServiceParameter radius = new DefaultEditingServiceParameter(

      "Radius", "Radius of circle", TYPE.VALUE);

  private Map<EditingServiceParameter, Object> values;

  private FeatureStore featureStore;

  public CircleCREditingProvider(ProviderServices providerServices,

      DynObject parameters) {

    super(providerServices);

    this.featureStore = (FeatureStore) parameters

        .getDynValue(EditingProviderFactory.FEATURE_STORE_FIELD);

  }

  public Geometry draw(Point mousePosition) {

    if (values.get(center) != null) {

      Point centerPoint = (Point) values.get(center);

      return createCircle(centerPoint, mousePosition, featureStore);

    }

    return null;

  }

  public EditingServiceParameter next() {

    if (values.get(center) == null) {

      return this.center;

    }

    else if (values.get(radius) == null) {

      return this.radius;

    }

    return null;

  }

  public void stop(){

  }

  public boolean isValidValue(EditingServiceParameter param, Object value) {

          if (param ==center){

                  if (value instanceof Point) {

                          return true;

                  }

          } else if (param == radius) {

                  if (value instanceof Point) {

                          return true;

                  } else if (value instanceof String) {

                          //TODO:

                  }

          }

    return false;

  }

  public List<EditingServiceParameter> getParameters() {

    List<EditingServiceParameter> list = new ArrayList<EditingServiceParameter>();

    list.add(center);

    list.add(radius);

    return list;

  }

  public void value(Object value) {

    EditingServiceParameter param = next();

    if (isValidValue(param, value)) {

      values.put(param, value);

    }

  }

  public void finish() {

    Point centerPoint = (Point) values.get(center);

    double radiusValue = ((Double)values.get(radius)).doubleValue();

    GeometryType storeGeomType = getGeomType(featureStore);

    Geometry geometry = null;

    if(storeGeomType.isTypeOf(SURFACE)){

                geometry = createCircle(centerPoint, radiusValue, featureStore);

                ((EditingProviderServices) getProviderServices()).insertGeometryIntoFeatureStore(geometry, featureStore);

    } else if(storeGeomType.isTypeOf(CURVE)){

                geometry = createArc(centerPoint, radiusValue, 0, 2*Math.PI, featureStore);

                ((EditingProviderServices) getProviderServices()).insertGeometryIntoFeatureStore(geometry, featureStore);

    } else if(storeGeomType.isTypeOf(MULTISURFACE)){

                geometry = createCircle(centerPoint, radiusValue, featureStore);

                MultiSurface multisurface;

                try {

                        multisurface = geomManager.createMultiSurface(storeGeomType.getSubType());

                        multisurface.addSurface((Circle)geometry);

                    ((EditingProviderServices) getProviderServices()).insertGeometryIntoFeatureStore(multisurface, featureStore);

                } catch (CreateGeometryException e) {

                        logger.error("Can't create multisurface", e);

                        ((EditingProviderServices) getProviderServices()).insertGeometryIntoFeatureStore(geometry, featureStore);

                }

        } else if(storeGeomType.isTypeOf(MULTICURVE)){

                geometry = createArc(centerPoint, radiusValue, 0, 2*Math.PI, featureStore);

                MultiCurve multicurve;

                try {

                        multicurve = geomManager.createMultiCurve(storeGeomType.getSubType());

                        multicurve.addCurve((Arc)geometry);

                    ((EditingProviderServices) getProviderServices()).insertGeometryIntoFeatureStore(multicurve, featureStore);

                } catch (CreateGeometryException e) {

                        logger.error("Can't create multisurface", e);

                        ((EditingProviderServices) getProviderServices()).insertGeometryIntoFeatureStore(geometry, featureStore);

                }

    } else {

                ((EditingProviderServices) getProviderServices()).insertGeometryIntoFeatureStore(geometry, featureStore);

        }

  }

  public void start() {

    this.values = new HashMap<EditingServiceParameter, Object>();

  }

  public String getName() {

    return CircleCREditingProviderFactory.PROVIDER_NAME;

  }

}