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.geodb.vectorialdb.wizard;

import java.awt.Window;

import java.util.ArrayList;

import java.util.List;

import org.apache.commons.lang3.StringUtils;

import org.cresques.cts.IProjection;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.andami.ui.mdiManager.IWindow;

import org.gvsig.app.prepareAction.PrepareContext;

import org.gvsig.app.prepareAction.PrepareContextView;

import org.gvsig.app.project.documents.view.gui.DefaultViewPanel;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.DataStoreParameters;

import org.gvsig.fmap.dal.exception.DataException;

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

import org.gvsig.fmap.dal.serverexplorer.db.DBServerExplorer;

import org.gvsig.fmap.dal.store.db.DBStoreParameters;

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

import org.gvsig.fmap.mapcontext.MapContext;

import org.gvsig.fmap.mapcontext.MapContextLocator;

import org.gvsig.fmap.mapcontext.MapContextManager;

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

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

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

import org.gvsig.fmap.mapcontrol.MapControl;

/**

 * Driver-independent GeoDB wizard. Queries the drivers to fill GUI controls.

 * Multi-table selection available.

 *

 * @author jldominguez

 *

 */

public class WizardVectorialDB extends WizardDB {

    private static final long serialVersionUID = -5002685263220038989L;

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

    private static final String GEODB_WIZARD_TAB_NAME = "GeoDB";

        private DefaultViewPanel view = null;

        private PrepareContextView prepareContext;

    /**

     * This method initializes this

     *

     */

    @Override

    protected void initialize() {

                super.initialize();

        setTabName(GEODB_WIZARD_TAB_NAME);

        setLayout(null);

        setSize(512, 478);

        IWindow iw = PluginServices.getMDIManager().getActiveWindow();

        if (iw == null) {

            return;

        }

        if ((iw instanceof DefaultViewPanel)) {

                 view = (DefaultViewPanel) iw;

             setMapCtrl(view.getMapControl());

        }

    }

    @Override

    protected List getTableList(DBServerExplorer explorer) throws DataException {

        return explorer.list(DBServerExplorer.MODE_GEOMETRY);

    }

    @Override

        protected TablesListItem createTabeListItem(DBStoreParameters param) {

                return new TablesListItemVectorial(param, getMapCtrl(),this);

        }

    @Override

        public void setSettingsPanels(TablesListItem actTable) {

                super.setSettingsPanels(actTable);

        }

    @Override

        protected UserTableSettingsPanel createSettingsPanel(

                        TablesListItem actTable) {

                if (actTable == null) {

                        return new UserTableSettingsVectorialPanel(null, null, "",

                                        getMapCtrl(), true, this, null, null);

                }

                String abrev = null;

                if (getMapCtrl() != null) {

                        abrev = getMapCtrl().getViewPort().getProjection().getAbrev();

                }

                return ((TablesListItemVectorial) actTable)

                                .getUserTableSettingsPanel(abrev);

        }

    @Override

        public DataStoreParameters[] getParameters() {

                try {

                        TablesListItem[] selected = getSelectedTables();

                        int count = selected.length;

                        DBStoreParameters[] dbParameters = new DBStoreParameters[count];

                        String strEPSG = null;

                        if (getMapCtrl() != null) {

                                strEPSG = getMapCtrl().getViewPort().getProjection().getAbrev();

                        }

                        for (int i = 0; i < count; i++) {

                                TablesListItemVectorial item = (TablesListItemVectorial) selected[i];

                                dbParameters[i] = getParameterForTable(item);

                        }

                        return dbParameters;

                } catch (Exception e) {

                        logger.warn("Error while creating jdbc layer: " + e.getMessage(), e);

                }

                return null;

        }

    @Override

        public void execute() {

                MapControl mapControl = this.getMapCtrl();

        MapContext mc = mapControl.getMapContext();

        MapContextManager mapContextManager = MapContextLocator.getMapContextManager();

        Boolean needCalculateEnvelope  = mc.getViewPort().getEnvelope() == null;

                TablesListItem[] tables = getSelectedTables();

                List<FLayer> all_layers = new ArrayList();

                String groupName = null;

                DBStoreParameters parameter;

                TablesListItem table;

                FeatureStore store;

                DataManager man = DALLocator.getDataManager();

        try {

            FLayer layer;

            for (int i = 0; i < tables.length; i++) {

                table = tables[i];

                UserTableSettingsPanel userTableSettingsPanel = table.getUserTableSettingsPanel();

                parameter = getParameterForTable(table);

                if (i == 0) {

                    String dbname = parameter.getDBName();

                    if( StringUtils.isEmpty(dbname) ) {

                        dbname = "Group";

                    }

                    String host = parameter.getHost();

                    if( StringUtils.isEmpty(host) ) {

                        groupName =  dbname;

                    } else {

                        groupName =  dbname + " (" + host + ")";

                    }

                }

                try {

                    store = (FeatureStore) man.openStore(

                                    parameter.getDataStoreName(),

                                    parameter);

                } catch (Exception e) {

                    logger.warn("While opening DB store.", e);

                    return;

                }

                try {

                    layer = mapContextManager.createLayer(

                        userTableSettingsPanel.getUserLayerName(), 

                        store

                    );

                    all_layers.add(layer);

                } catch (Exception e) {

                    logger.warn("Can't create layer '"+userTableSettingsPanel.getUserLayerName()+"'.",e);

                }

            }

            if (all_layers.size() > 1) {

                FLayers group = new FLayers();

                group.setMapContext(mc);

                group.setParentLayer(mc.getLayers());

                group.setName(groupName);

                for( FLayer aLayer : all_layers) {

                    group.addLayer(aLayer);

                }

                if ( !(group.isOk())) {

                    // if the layer is not okay (it has errors) process them

                    processErrorsOfLayer(group, mapControl);

                }

                group.setVisible(true);

                mc.beginAtomicEvent();

                try {

                    try {

                        mc.getLayers().addLayer(group);

                        group.dispose();

                    } catch (CancelationException e) {

                        logger.warn("Can't add group to mapcontext layers.",e);

                    }

                } finally {

                    mc.endAtomicEvent();

                }

                return;

            } else {

                if (all_layers.size() == 1) {

                    layer = (FLayer) all_layers.get(0);

                    if (!(layer.isOk())) {

                        // if the layer is not okay (it has errors) process them

                        processErrorsOfLayer(layer, mapControl);

                    }

                    layer.setVisible(true);

                    mc.beginAtomicEvent();

                    try {

                        try {

                            mc.getLayers().addLayer(layer);

                        } catch (CancelationException e) {

                            return;

                        }

                    } finally {

                        mc.endAtomicEvent();

                    }

                    return;

                }

            }

            if ( needCalculateEnvelope ) {

                        Envelope env = null;

                for( FLayer theLayer : all_layers) {

                    try {

                        if (env == null) {

                            env = theLayer.getFullEnvelope();

                        } else {

                            env.add(theLayer.getFullEnvelope());

                        }

                    } catch(Exception ex) {

                        // Ignore

                    }

                }                

                mapControl.getViewPort().setEnvelope(env);

            }            

        } finally {

            // Dispose all created layers. If they have been included into

            // a FLayers object, they will have been binded there.

            for (int i = 0; i < all_layers.size(); i++) {

                FLayer layer = (FLayer) all_layers.get(i);

                layer.dispose();

            }

                }

        }

    @Override

        protected PrepareContext getPrepareDataStoreContext() {

                if (this.prepareContext == null) {

                        this.prepareContext = new PrepareContextView() {

                @Override

                                public Window getOwnerWindow() {

                                        return null;

                                }

                @Override

                                public MapControl getMapControl() {

                                        return WizardVectorialDB.this

                                                        .getMapCtrl();

                                }

                @Override

                                public IProjection getViewProjection() {

                                        MapControl mapControl = getMapControl();

                                        if (mapControl!=null){

                                                return mapControl.getProjection();

                                        }

                                        return null;

                                }

                        };

                }

                return this.prepareContext;

        }

    @Override

        protected DBStoreParameters getParameterForTable(TablesListItem table) {

                DBStoreParameters parameters = table.getParameters();

                UserTableSettingsVectorialPanel userTableSettingsPanel = (UserTableSettingsVectorialPanel) table

                                .getUserTableSettingsPanel();

                Envelope _wa = userTableSettingsPanel.getWorkingArea();

                String geomField = userTableSettingsPanel.getGeoFieldName();

                String fidField = userTableSettingsPanel.getIdFieldName();

        //IF is a multiple PK, remove the {} symbols

        if (fidField.startsWith("{") && fidField.endsWith("}")) {

            fidField = fidField.substring(1, fidField.length()-1);

        }

        String[] pkFields = fidField.split(",");        

        String[] fields = table.getUserSelectedFieldsPanel()

                .getUserSelectedFields(pkFields, geomField);

                if (userTableSettingsPanel.isSqlActive()) {

                        String whereClause = userTableSettingsPanel.getWhereClause();

                        parameters.setBaseFilter(whereClause);

                } else {

                        parameters.setBaseFilter("");

                }

                parameters.setFields(fields);

                parameters.setDefaultGeometryField(geomField);

                if (_wa != null) {

                        parameters.setWorkingArea(_wa);

                }

        // ======= Setting PK from combo box

        if (pkFields != null) {

            parameters.setPkFields(pkFields);

        }

        // =========================

                IProjection proj_selected_by_user = userTableSettingsPanel.getProjection();

                parameters.setCRS(proj_selected_by_user);

                return parameters;

        }

}