Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig.project;

import java.io.IOException;

import java.text.DateFormat;

import java.util.Date;

import com.hardcode.driverManager.DriverLoadException;

import com.hardcode.gdbms.engine.data.DataSource;

import com.hardcode.gdbms.engine.data.NoSuchTableException;

import com.hardcode.gdbms.engine.data.db.DBDriverInfo;

import com.hardcode.gdbms.engine.data.db.DBTableDriverInfo;

import com.hardcode.gdbms.engine.data.file.FileDriverInfo;

import com.hardcode.gdbms.engine.data.object.ObjectDriverInfo;

import com.hardcode.gdbms.engine.data.persistence.DataSourceLayerMemento;

import com.hardcode.gdbms.engine.data.persistence.Memento;

import com.hardcode.gdbms.engine.data.persistence.MementoException;

import com.hardcode.gdbms.engine.data.persistence.OperationLayerMemento;

import com.hardcode.gdbms.engine.instruction.SemanticException;

import com.hardcode.gdbms.parser.ParseException;

import com.iver.cit.gvsig.fmap.DriverException;

import com.iver.cit.gvsig.fmap.layers.FLayer;

import com.iver.cit.gvsig.fmap.layers.LayerFactory;

import com.iver.cit.gvsig.fmap.layers.SelectableDataSource;

import com.iver.cit.gvsig.fmap.layers.XMLException;

import com.iver.cit.gvsig.fmap.layers.layerOperations.AlphanumericData;

import com.iver.utiles.XMLEntity;

/**

 * Tabla del proyecto

 *

 * @author Fernando Gonz?lez Cort?s

 */

public class ProjectTable extends ProjectElement {

        private static int numTables = 0;

        private SelectableDataSource modelo;

        private SelectableDataSource original;

        /* No es necesaria para operar, s?lo para guardar el proyecto */

        private AlphanumericData associatedTable;

        /**

         * Establece a true el bit index-?simo del bitmap de campos visibles. Los

         * campos cuyos bits est?n a true se considerar?n visibles y viceversa

         *

         * @param index indice del bit que se quiere establecer a true

         */

        public void set(int index) {

                //TODO implementar bien

                //        modelo.set(index);

                change.firePropertyChange("visibles", true, true);

        }

        /**

         * Obtiene el valor del bit index-?simo del bitmap de campos visibles

         *

         * @param index indice del bit que se quiere obtener

         *

         * @return devuelve true si el campo index-?simo es visible y false en caso

         *                    contrario

         */

        public boolean get(int index) {

                //TODO implementar bien

                //        return modelo.get(index);

                return false;

        }

        /**

         * Obtiene el modelo de la Tabla. Es decir, una clase con capacidad para

         * leer la informaci?n de la tabla

         *

         * @return

         */

        public SelectableDataSource getModelo() {

                return modelo;

        }

        /**

         * Establece el valor del bit index-?simo al valor  'value'

         *

         * @param bitIndex indice del bit que se quiere tocar

         * @param value valor que se quiere establecer en el bit indicado

         */

        public void set(int bitIndex, boolean value) {

                //TODO implementar bien

                //        modelo.set(bitIndex, value);

                change.firePropertyChange("visibles", value, value);

        }

        /**

         * DOCUMENT ME!

         *

         * @param sds DOCUMENT ME!

         *

         * @return

         */

        public static ProjectTable createTable(String name, SelectableDataSource sds) {

                ProjectTable t = new ProjectTable();

                t.modelo = sds;

                t.setName(name);

                t.setCreationDate(DateFormat.getInstance().format(new Date()));

                numTables++;

                return t;

        }

        /**

         * DOCUMENT ME!

         *

         * @param sds DOCUMENT ME!

         */

        public void setDataSource(SelectableDataSource sds) {

                modelo = sds;

                setName(sds.getName());

                setCreationDate(DateFormat.getInstance().format(new Date()));

                change.firePropertyChange("model", modelo, modelo);

        }

        public void replaceDataSource(SelectableDataSource ds){

                original = modelo;

                modelo = ds;

                change.firePropertyChange("model", original, modelo);

        }

        public void restoreDataSource(){

                modelo = original;

                original = null;

                change.firePropertyChange("model", original, modelo);

        }

        /**

         * DOCUMENT ME!

         *

         * @return DOCUMENT ME!

         * @throws XMLException

         */

        public XMLEntity getXMLEntity() throws XMLException {

                XMLEntity xml = super.getXMLEntity();

                //xml.putProperty("nameClass", this.getClass().getName());

                xml.putProperty("numTables", numTables);

                if (getOriginal() != null){

                        xml.addChild(getOriginal().getXMLEntity());

                }

                xml.addChild(modelo.getXMLEntity());

                Object di = LayerFactory.getDataSourceFactory().getDriverInfo(modelo.getName());

                if (associatedTable != null) {

                        xml.putProperty("layerName", ((FLayer) associatedTable).getName());

                        xml.putProperty("viewName",

                                project.getView((FLayer) associatedTable));

                }

                return xml;

        }

        /**

         * DOCUMENT ME!

         *

         * @param xml DOCUMENT ME!

         * @param p DOCUMENT ME!

         *

         * @throws XMLException

         * @throws DriverException

         *

         * @see com.iver.cit.gvsig.project.ProjectElement#setXMLEntity(com.iver.utiles.XMLEntity)

         */

        public void setXMLEntity(XMLEntity xml, Project p)

                throws XMLException, DriverException {

                setName(xml.getStringProperty("name"));

                numTables = xml.getIntProperty("numTables");

                setSelectableDataSource(xml);

/*                

                 if (xml.getStringProperty("type").equals("otherDriverFile")) {

                } else if (xml.getStringProperty("type").equals("sameDriverFile")) {

                        String layerName = xml.getStringProperty("layerName");

                        ProjectView vista = project.getViewByName(xml.getStringProperty(

                        "viewName"));

                        FLayer layer = vista.getMapContext().getLayers().getLayer(layerName);

                        modelo = ((AlphanumericData) layer).getRecordset();

                        associatedTable = (AlphanumericData) layer;

                } else if (xml.getStringProperty("type").equals("db")) {

                        setSelectableDataSource(xml);

                }

*/

                setName(xml.getStringProperty("name"));

        }

        private void setSelectableDataSource(XMLEntity xml) throws XMLException, DriverException{

                String layerName = null;

                if (xml.contains("layerName"))

                        layerName = xml.getStringProperty("layerName");

                SelectableDataSource sds;

                try {

                        sds = SelectableDataSource.createSelectableDataSource(xml.getChild(0));

                        setDataSource(sds);

                        if (xml.getNumChild() == 2){

                                replaceDataSource(SelectableDataSource.createSelectableDataSource(xml.getChild(1)));

                        }

                } catch (NoSuchTableException e) {

                        throw new XMLException(e);

                } catch (ParseException e) {

                        throw new XMLException(e);

                } catch (DriverLoadException e) {

                        throw new XMLException(e);

                } catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {

                        throw new XMLException(e);

                } catch (SemanticException e) {

                        throw new XMLException(e);

                } catch (IOException e) {

                        throw new XMLException(e);

                }

                if (layerName != null){

                        ProjectView vista = project.getViewByName(xml.getStringProperty(

                                                "viewName"));

                        FLayer layer = vista.getMapContext().getLayers().getLayer(layerName);

//                        modelo = ((AlphanumericData) layer).getRecordset();

                        associatedTable = (AlphanumericData) layer;

                }

        }

        /**

         * DOCUMENT ME!

         *

         * @return DOCUMENT ME!

         */

        public AlphanumericData getAssociatedTable() {

                return associatedTable;

        }

        /**

         * DOCUMENT ME!

         *

         * @param associatedTable DOCUMENT ME!

         */

        public void setAssociatedTable(AlphanumericData associatedTable) {

                this.associatedTable = associatedTable;

        }

        /**

         * Obtiene la fuente de datos original de la tabla si se ha invocado

         * replaceDataSource. Si no se invoc? este m?todo o se invoc?

         * posteriormente restoreDataSource se devuelve null  

         * 

         * @return Returns the original.

         */

        public SelectableDataSource getOriginal() {

                return original;

        }

}