Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 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 3

 * 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.app.project.documents.view;

import org.gvsig.andami.PluginsLocator;

import org.gvsig.andami.PluginsManager;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.extension.AddLayer;

import org.gvsig.app.gui.preferencespage.LayerOrderPage;

import org.gvsig.app.project.ProjectPreferences;

import org.gvsig.app.project.documents.DocumentManager;

import org.gvsig.fmap.mapcontext.MapContext;

import org.gvsig.fmap.mapcontext.MapContextLocator;

import org.gvsig.fmap.mapcontext.ViewPort;

import org.gvsig.fmap.mapcontext.layers.order.LayerOrderManager;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.dynobject.DynStruct;

import org.gvsig.tools.persistence.PersistenceManager;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.exception.PersistenceException;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * Clase que representa una vista del proyecto

 *

 * @author 2004-2005 Fernando Gonz?lez Cort?s

 * @author 2006-2009 Jose Manuel Vivo

 * @author 2005-         Vicente Caballero

 * @author 2009-         Joaquin del Cerro

 * 

 */

public class DefaultViewDocument extends BaseViewDocument {

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

        /**

         * 

         */

        private static final long serialVersionUID = 676711512482334764L;

        public static final String PERSISTENCE_DEFINITION_NAME = "DefaultViewDocument";

        public DefaultViewDocument() {

                this(null);

        }

        public DefaultViewDocument(DocumentManager factory) {

                super(factory); 

                ViewPort vp;

                ProjectPreferences preferences = (ProjectPreferences) ApplicationLocator.getManager().getPreferences("project");

            MapContext viewMapContext = new MapContext(

                                new ViewPort( preferences.getDefaultProjection() )

                );

                vp = viewMapContext.getViewPort();

                vp.setBackColor(preferences.getDefaultViewBackColor());

                vp.setDistanceUnits(preferences.getDefaultDistanceUnits());

                vp.setDistanceArea(preferences.getDefaultDistanceArea());

                /*

                 * Another user preference: the order manager

                 */

                LayerOrderManager lom = getCurrentOrderManager();

                viewMapContext.setOrderManager(lom);

                /*

                 * Not very elegant but we are forcing meters if projected

                 */

                if (viewMapContext.getProjection().isProjected()) {

                    vp.setMapUnits(1);

                } else {

            vp.setMapUnits(8);

                }

                this.setMapContext(viewMapContext);

                MapContext overviewMapContext = new MapContext(

                                new ViewPort( viewMapContext.getProjection() )

                );

                vp = viewMapContext.getViewPort();

                vp.setBackColor(preferences.getDefaultViewBackColor());

                this.setMapOverViewContext(overviewMapContext);

        }

        /**

         * Get current order manager from persistence

         * 

         * @return

         */

        private LayerOrderManager getCurrentOrderManager() {

                DynObject props = this.getPluginProperties();

                // current_layer_order_manager

                Object val_obj = null;

                if (props.hasDynValue(LayerOrderPage.PREFERENCES_ID)) {

                        val_obj = props.getDynValue(LayerOrderPage.PREFERENCES_ID);

                }

                if (val_obj != null && val_obj instanceof LayerOrderManager) {

                        LayerOrderManager lom = (LayerOrderManager) val_obj;

                        return lom;

                } else {

                        logger.info("No order manager found in persistence.");

                        return MapContextLocator.getDefaultOrderManager();

                }

        }

        private DynObject getPluginProperties() {

        PluginsManager pluginsManager = PluginsLocator.getManager();

        return pluginsManager.getPlugin(AddLayer.class).getPluginProperties();

        }

        public void saveToState(PersistentState state) throws PersistenceException {

                super.saveToState(state);

        }

        public void loadFromState(PersistentState state) throws PersistenceException {

                super.loadFromState(state);

        }

        public String exportDocumentAsText() {

                // FIXME: jjdc PersistentManager getStateAsText o similar

//                 PersistenceManager manager = ToolsLocator.getPersistenceManager();

//                 PersistentState state = manager.getState(this);

//                 return manager.getStateAsText(state);

                return null;

        }

        public void setStateFromText(String text) {

                // FIXME: jjdc PersistentManager getStateFromText o similar

//                 PersistenceManager manager = ToolsLocator.getPersistenceManager();

//                 PersistentState state = manager.getStateFromText(text);

//                 this.loadFromState(state);

        }

}