Application: gvSIG desktop » gvSIG 3D

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright © 2007-2016 gvSIG Association

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.view3d.lib.impl;

import java.util.ArrayList;

import java.util.List;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.view3d.lib.api.View3DManager;

import org.gvsig.view3d.lib.api.loadingmodes.NwwLoaderFactory;

import org.gvsig.view3d.lib.api.properties.E3DLayerLoadingModes;

import org.gvsig.view3d.lib.api.properties.LayerProperties3D;

/**

 * @author <a href="mailto:lmarques@disid.com">Lluis Marques</a>

 * @author Andrea Antonello andrea.antonello@gmail.com

 */

public class DefaultView3DManger implements View3DManager {

    private static final Logger LOGGER = LoggerFactory.getLogger(DefaultView3DManger.class);

    private static final String PROPERTIES3D = "properties3D";

    private List<NwwLoaderFactory> registeredVectorFactories = new ArrayList<>();

    private List<NwwLoaderFactory> registeredRasterFactories = new ArrayList<>();

    public LayerProperties3D getLayerProperties(FLayer layer, NwwLoaderFactory loadingfactory) {

        Object properties = layer.getProperty(PROPERTIES3D);

        if (properties == null) {

            LOGGER.debug("Layer properties are created new");

            LayerProperties3D layerProperties;

            if (loadingfactory != null) {

                layerProperties = loadingfactory.createProperties();

            } else {

                layerProperties = getLayerLoadingFactory(layer).createProperties();

            }

            setLayerProperties(layer, layerProperties);

            return layerProperties;

        } else {

            /*

             * if the properties are available, let's make sure they are of the

             * right type. If not, they need to be adapted to the requested

             * mode.

             */

            String propertiesCanonicalName = properties.getClass().getCanonicalName();

            LOGGER.debug("Layer properties are available and of type: " + propertiesCanonicalName);

            if (loadingfactory != null) {

                LayerProperties3D tmpProperties = loadingfactory.createProperties();

                if (!tmpProperties.getClass().getCanonicalName().equals(propertiesCanonicalName)) {

                    properties = tmpProperties;

                    setLayerProperties(layer, tmpProperties);

                }

            }

            LOGGER.info("Layer properties set to the layer after check: " + properties.getClass().getSimpleName());

        }

        return (LayerProperties3D) properties;

    }

    @Override

    public NwwLoaderFactory getLayerLoadingFactory(FLayer layer) {

        Object properties = layer.getProperty(PROPERTIES3D);

        if (properties != null) {

            String canonicalName = properties.getClass().getCanonicalName();

            // test vector factories

            List<NwwLoaderFactory> vectorLoaderFactories = getVectorLoaderFactories();

            for (NwwLoaderFactory nwwVectorLoaderFactory : vectorLoaderFactories) {

                LayerProperties3D tmpProperties = nwwVectorLoaderFactory.createProperties();

                if (tmpProperties.getClass().getCanonicalName().equals(canonicalName)) {

                    return nwwVectorLoaderFactory;

                }

            }

            // test raster factories

            List<NwwLoaderFactory> rasterLoaderFactories = getRasterLoaderFactories();

            for (NwwLoaderFactory nwwRasterLoaderFactory : rasterLoaderFactories) {

                LayerProperties3D tmpProperties = nwwRasterLoaderFactory.createProperties();

                if (tmpProperties.getClass().getCanonicalName().equals(canonicalName)) {

                    return nwwRasterLoaderFactory;

                }

            }

            // couldn't understand the mode, set to null to return the default

            properties = null;

        }

        // this means for some reason the properties are null, return default

        if (layer instanceof FLyrVect) {

            // default for vectors is RASTERIZED_VECTOR

            String defaultVectorfactoryName = E3DLayerLoadingModes.RASTERIZED_VECTOR.getTitle();

            List<NwwLoaderFactory> vectorLoaderFactories = getVectorLoaderFactories();

            for (NwwLoaderFactory nwwLoaderFactory : vectorLoaderFactories) {

                if (nwwLoaderFactory.getName().equals(defaultVectorfactoryName)) {

                    return nwwLoaderFactory;

                }

            }

            return vectorLoaderFactories.get(0);

        } else {

            // default for rasters is RASTER_IMAGE

            String defaultRasterFactoryName = E3DLayerLoadingModes.RASTER_IMAGE.getTitle();

            List<NwwLoaderFactory> rasterLoaderFactories = getRasterLoaderFactories();

            for (NwwLoaderFactory nwwLoaderFactory : rasterLoaderFactories) {

                if (nwwLoaderFactory.getName().equals(defaultRasterFactoryName)) {

                    return nwwLoaderFactory;

                }

            }

            return getRasterLoaderFactories().get(0);

        }

    }

    public void setLayerProperties(FLayer layer, LayerProperties3D properties) {

        layer.setProperty(PROPERTIES3D, properties);

        properties.setLayer(layer);

    }

    @Override

    public void registerVectorLoaderFactory(NwwLoaderFactory loaderFactory) {

        if (!registeredVectorFactories.contains(loaderFactory)) {

            registeredVectorFactories.add(loaderFactory);

        }

    }

    @Override

    public List<NwwLoaderFactory> getVectorLoaderFactories() {

        return registeredVectorFactories;

    }

    @Override

    public void registerRasterLoaderFactory(NwwLoaderFactory loaderFactory) {

        if (!registeredRasterFactories.contains(loaderFactory)) {

            registeredRasterFactories.add(loaderFactory);

        }

    }

    @Override

    public List<NwwLoaderFactory> getRasterLoaderFactories() {

        return registeredRasterFactories;

    }

}