| gvSIG desktop 1

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Gobernment (CIT)

 *

 * 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.

 *

 */

/*

 * AUTHORS (In addition to CIT):

 * 2008 {DiSiD Technologies}  {TableDocument implementation based on the gvSIG DAL API}

 */

package org.gvsig.project.document.table;

import java.util.ArrayList;

import java.util.Iterator;

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

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

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

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

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

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

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

import org.gvsig.project.document.table.gui.FeatureTableDocumentPanel;

import org.gvsig.tools.evaluator.Evaluator;

import org.gvsig.tools.observer.Observable;

import org.gvsig.tools.observer.Observer;

import com.iver.andami.messages.NotificationManager;

import com.iver.andami.ui.mdiManager.IWindow;

import com.iver.cit.gvsig.project.Project;

import com.iver.cit.gvsig.project.documents.ProjectDocument;

import com.iver.cit.gvsig.project.documents.exceptions.OpenException;

import com.iver.cit.gvsig.project.documents.exceptions.SaveException;

import com.iver.utiles.XMLEntity;

import com.iver.utiles.XMLException;

/**

 * @author <a href="mailto:cordin@disid.com">C?sar Ordi?ana</a>

 */

public class FeatureTableDocument extends ProjectDocument implements Observer {

    private static final long serialVersionUID = -1842181135614158881L;

    private FeatureStore store;

        private String featureTypeId;

        private String[] attributeNames;

        private String linkTable;

        private String field1;

        private String field2;

        private LinkSelectionObserver linkSelectionObserver;

        private FLyrVect associatedTable;

        private FeatureQuery query;

        private Evaluator baseFilter;

        private FeatureQueryOrder baseOrder;

    public FeatureTableDocument(FeatureStore store) {

        this(store, store.createFeatureQuery());

    }

    public FeatureTableDocument(FeatureStore store, FeatureQuery query) {

        this.store = store;

        this.query = null;

        store.addObserver(this);

        this.featureTypeId = query.getFeatureTypeId();

        this.baseFilter = query.getFilter();

                this.baseOrder = query.getOrder();

    }

    public FeatureQuery getQuery(){

            if (this.query == null){

                    try {

                            FeatureType fType = null;

                                this.query = this.store.createFeatureQuery();

                                if (this.featureTypeId != null) {

                                        Iterator<FeatureType> iter;

                                        iter = this.store.getFeatureTypes().iterator();

                                        while (iter.hasNext()) {

                                                fType = iter.next();

                                                if (this.featureTypeId.equals(fType.getId())) {

                                                        this.query.setFeatureType(fType);

                                                        break;

                                                }

                                        }

                                    if (fType == null) {

                                                // TODO

                                            throw new RuntimeException("FeatureType '"

                                                                + this.featureTypeId + "'not found");

                                        }

                                } else {

                                        fType = store.getDefaultFeatureType();

                                }

                                if (this.attributeNames != null) {

                                        ArrayList<String> newNames = new ArrayList<String>();

                                        for (String name : this.attributeNames) {

                                                if (fType.getIndex(name) > -1) {

                                                        newNames.add(name);

                                                }

                                        }

                                        if (newNames.size() > 0) {

                                                this.query.setAttributeNames(newNames

                                                                .toArray(this.attributeNames));

                                        }

                                }

                                this.query.setFilter(this.baseFilter); // TODO check is valid

                                this.query.setOrder(this.baseOrder);

                    } catch (DataException e) {

                                // TODO Auto-generated catch block

                                NotificationManager.addError(e);

                                return null;

                        }

            }

            return this.query;

    }

    @Override

    public void afterAdd() {

        // Nothing to do

    }

    @Override

    public void afterRemove() {

        // Nothing to do

    }

    @Override

    public IWindow createWindow() {

        try {

                FeatureTableDocumentPanel tablePanel = new FeatureTableDocumentPanel(

                                        this);

                callCreateWindow(tablePanel);

                        return tablePanel;

        } catch (DataException e) {

            // TODO ?QU? SE HACE EN ESTOS CASOS?

            e.printStackTrace();

            NotificationManager.addError(e);

        }

        return null;

    }

    @Override

    public void exportToXML(XMLEntity root, Project project)

            throws SaveException {

        // TODO Auto-generated method stub

    }

    @Override

    public IWindow getProperties() {

        // TODO Auto-generated method stub

        return null;

    }

    /**

     * @return the store

     */

    public FeatureStore getStore() {

        return store;

    }

        @Override

        public void importFromXML(XMLEntity root, XMLEntity typeRoot,

                        int elementIndex, Project project, boolean removeDocumentsFromRoot)

                        throws XMLException, OpenException,

                        org.gvsig.fmap.dal.exception.ReadException {

                // TODO Auto-generated method stub

        }

        /**

         * Devuelve el identificador de la tabla que contiene el link.

         *

         * @return identificador ?nico de la tabla.

         */

        public String getLinkTable() {

                return linkTable;

        }

        /**

         * Devuelve el nombre del campo de la tabla a enlazar.

         *

         * @return Nombre del campo de la tabla a enlazar.

         */

        public String getField1() {

                return field1;

        }

        /**

         * Devuelve el nombre del campo de la tabla enlazada.

         *

         * @return Nombre del campo de la tabla enlazada.

         */

        public String getField2() {

                return field2;

        }

        /**

         * Inserta el identificador de la tabla, el campo de la primera tabla y el

         * campo de la segunda tabla.

         *

         * @param lt

         *            identificado de la tabla.

         * @param f1

         *            nombre del campo de la primera tabla.

         * @param f2

         *            nombre del campo de la segunda tabla.

         */

        public void setLinkTable(String lt, String f1, String f2) {

                linkTable = lt;

                field1 = f1;

                field2 = f2;

        }

        /**

         * Borra el identificador de la tabla y elimina del array de listener los

         * listener que sean del tipo: LinkSelectionObserver

         */

        public void removeLinkTable() {

                linkTable = null;

//                try {

                        getStore().deleteObserver(linkSelectionObserver);//removeLinksSelectionListener();

//                } catch (ReadException e) {

//                        e.printStackTrace();

//                }

        }

        public void addLinkSelectionObserver(LinkSelectionObserver lso) {

                linkSelectionObserver=lso;

        }

        public FLyrVect getAssociatedLayer() {

                return associatedTable;

        }

        /**

         * DOCUMENT ME!

         *

         * @param associatedTable

         *            DOCUMENT ME!

         */

        public void setAssociatedLayer(FLyrVect associatedTable) {

                this.associatedTable = associatedTable;

        }

        public void setStore(FeatureStore fs) {

                this.store=fs;

        }

        public void update(Observable arg0, Object arg1) {

                if (this.store.equals(arg0)) {

                        if (arg1 instanceof FeatureStoreNotification) {

                                FeatureStoreNotification event = (FeatureStoreNotification) arg1;

                                if (event.getType() == FeatureStoreNotification.TRANSFORM_CHANGE

                                                || event.getType() == FeatureStoreNotification.RESOURCE_CHANGED) {

                                        this.query = null;

                                }

                        }

                }

        }

}