Application: gvSIG desktop » gvSIG data provider for WFS

package org.gvsig.wfs.gui.panels;

import java.awt.Container;

import java.util.List;

import javax.swing.JTabbedPane;

import org.cresques.cts.IProjection;

import org.geotools.filter.AbstractFilter;

import org.gvsig.andami.PluginServices;

import org.gvsig.app.gui.ILayerPanel;

import org.gvsig.app.gui.WizardPanel;

import org.gvsig.fmap.crs.CRSFactory;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.DataStore;

import org.gvsig.fmap.dal.DataStoreParameters;

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

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

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

import org.gvsig.fmap.dal.serverexplorer.wfs.WFSServerExplorer;

import org.gvsig.fmap.dal.store.wfs.WFSStoreParameters;

import org.gvsig.fmap.dal.store.wfs.WFSStoreProvider;

import org.gvsig.fmap.mapcontext.MapContextLocator;

import org.gvsig.fmap.mapcontext.MapContextManager;

import org.gvsig.fmap.mapcontext.exceptions.CreateLayerException;

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

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

import org.gvsig.gui.beans.panelGroup.exceptions.EmptyPanelGroupException;

import org.gvsig.gui.beans.panelGroup.exceptions.EmptyPanelGroupGUIException;

import org.gvsig.gui.beans.panelGroup.exceptions.ListCouldntAddPanelException;

import org.gvsig.gui.beans.panelGroup.loaders.IPanelGroupLoader;

import org.gvsig.gui.beans.panelGroup.panels.AbstractPanel;

import org.gvsig.gui.beans.panelGroup.panels.IPanel;

import org.gvsig.gui.beans.panelGroup.tabbedPanel.TabbedPanel;

import org.gvsig.remoteclient.wfs.schema.XMLNameSpace;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.wfs.gui.panels.model.WFSSelectedFeature;

import org.gvsig.wfs.gui.panels.model.WFSSelectedFeatureManager;

import org.gvsig.wfs.gui.wizards.WFSWizard;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/* 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

 */

/* CVS MESSAGES:

 *

 * $Id: WFSParamsPanel.java 17736 2008-01-02 16:53:48Z ppiqueras $

 * $Log$

 * Revision 1.42  2007-09-19 16:14:50  jaume

 * removed unnecessary imports

 *

 * Revision 1.41  2007/06/26 09:33:54  jorpiell

 * Information tab refreshed

 *

 * Revision 1.40  2007/04/11 12:08:55  ppiqueras

 * Varios cambios:

 * - Corregida etiqueta "Campo"

 * - Cambiada actualizaci?n

 * - Corregido bug: actualizar ?rea visible despu?s de pulsar "Aplicar" en la interfaz gr?fica.

 *

 * Revision 1.39  2007/03/15 13:33:44  ppiqueras

 * Corregido bug de excepci?n que se lanzaba cuando se filtraba y no se pod?a cargar la capa.

 *

 * Revision 1.38  2007/03/05 13:49:42  ppiqueras

 * Si una capa WFS no tiene campos (y por tanto no tiene un campo obligatorio de tipo geometr?a), que avise al usuario y no permita que se intente cargar dicha capa.

 *

 * Revision 1.37  2007/03/01 13:12:09  ppiqueras

 * Mejorado el filtrado por ?rea.

 *

 * Revision 1.36  2007/02/22 12:30:59  ppiqueras

 * - Eliminado m?todo que sobraba.

 * - Mejorada la relaci?n con el panel del ?rea.

 * - A?adido JOptionPanel de aviso que no se aplicar? ?rea porque es incorrecta.

 *

 * Revision 1.35  2007/02/20 11:31:11  ppiqueras

 * Eliminados comentarios que sobraban.

 *

 * Revision 1.34  2007/02/19 11:44:42  jorpiell

 * A?adidos los filtros por ?rea

 *

 * Revision 1.33  2007/02/16 13:36:53  ppiqueras

 * Que el ?rea seleccionada en el panel WFSArea sea accesible una vez se va a aplicar.

 *

 * Revision 1.32  2007/02/12 11:37:00  ppiqueras

 * A?adidos comentarios y m?todo para refrescar el MapControl de la pesta?a del ?rea.

 *

 * Revision 1.31  2007/02/09 14:12:39  jorpiell

 * Soporte para WFS 1.1 y WFS-T

 *

 * Revision 1.30  2007/02/02 12:22:22  ppiqueras

 * Corregido alg?n bug.

 *

 * Revision 1.29  2007/01/08 09:37:39  ppiqueras

 * Eliminado comentario que sobraba

 *

 * Revision 1.28  2006/12/29 09:27:02  ppiqueras

 * Corregidos varios bugs:

 *

 * - Se ejecuta 2 veces "Aplicar" o "Aceptar" en los filtros WFS.

 * - Cuando se carga por primera vez una capa WFS, si se pone un

 * filtro incorrecto, se ignora el filtro (cargando toda la informaci?n posible de la capa, y borrando el texto de filtrado).

 *

 * Revision 1.27  2006/12/26 09:19:40  ppiqueras

 * Cambiado "atttibutes" en todas las aparaciones en atributos, m?todos, clases, paquetes o comentarios por "fields". (S?lo a aquellas que afectan a clases dentro del proyecto extWFS2).

 *

 * Revision 1.26  2006/12/20 14:22:06  ppiqueras

 * A?adido comentario

 *

 * Revision 1.25  2006/12/15 13:59:36  ppiqueras

 * -Permite que se almacenen y/o recojan todos los campos y valores conocidos de la capa actual.

 *

 * -Adem?s, control frentre a consultas de filtro err?neas, (esto a medias a?n).

 *

 * - Alg?n comentario m?s.

 *

 * Revision 1.24  2006/12/12 10:24:45  ppiqueras

 * Nueva funcionalidad: Pulsando doble 'click' sobre una capa de un servidor, se carga (igual que antes), pero adem?s se avanza a la siguiente pesta?a sin tener que pulsar el bot?n 'Siguiente'.

 *

 * Revision 1.23  2006/12/11 11:02:24  ppiqueras

 * Corregido bug -> que se mantenga la frase de filtrado

 *

 * Revision 1.22  2006/12/04 08:59:47  ppiqueras

 * Algunos bugs corregidos. A cambio hay 2 bugs relacionados que todav?a no han sido corregidos (ver PHPCollab) (los tiene asignados Jorge).

 *

 * Revision 1.21  2006/11/28 08:05:13  jorpiell

 * Se escribe la query en la pesta?a del filtro

 *

 * Revision 1.20  2006/11/14 13:45:49  ppiqueras

 * A?adida peque?a funcionalidad:

 * Cuando se pulsa el bot?n "Aplicar", (al seleccionar un nuevo filtro), si el ?rbol de campos posee alguno seleccionado, actualiza los valores (con los nuevos), asociados a ?ste campo seleccionado.

 *

 * Revision 1.19  2006/10/27 12:10:02  ppiqueras

 * Nueva funcionalidad

 *

 * Revision 1.16  2006/10/23 07:37:04  jorpiell

 * Ya funciona el filterEncoding

 *

 * Revision 1.14  2006/10/13 13:05:32  ppiqueras

 * Permite el refrescado de datos del panel de filtrado sobre capa WFS.

 *

 * Revision 1.13  2006/10/10 12:55:06  jorpiell

 * Se ha a?adido el soporte de features complejas

 *

 * Revision 1.12  2006/10/02 09:17:48  jorpiell

 * A?adido el setCRS a la capa

 *

 * Revision 1.11  2006/09/29 13:02:38  ppiqueras

 * Filtro para WFS. De momento s?lo interfaz gr?fica.

 *

 * Revision 1.10  2006/07/21 11:50:31  jaume

 * improved appearance

 *

 * Revision 1.9  2006/06/21 12:35:45  jorpiell

 * Se ha a?adido la ventana de propiedades. Esto implica a?adir listeners por todos los paneles. Adem?s no se muestra la geomatr?a en la lista de atributos y se muestran ?nicamnete los que se van a descargar

 *

 * Revision 1.8  2006/06/15 07:50:58  jorpiell

 * A?adida la funcionalidad de reproyectar y hechos algunos cambios en la interfaz

 *

 * Revision 1.7  2006/05/25 16:22:47  jorpiell

 * Se limpia el panel cada vez que se conecta con un servidor distinto

 *

 * Revision 1.6  2006/05/25 16:01:43  jorpiell

 * Se ha a?adido la funcionalidad para eliminar el namespace de los tipos de atributos

 *

 * Revision 1.5  2006/05/25 10:31:06  jorpiell

 * Como ha cambiado la forma de mostrar las capas (una tabla, en lugar de una lista), los paneles han tenido que ser modificados

 *

 * Revision 1.4  2006/05/23 08:09:39  jorpiell

 * Se ha cambiado la forma en la que se leian los valores seleccionados en los paneles y se ha cambiado el comportamiento de los botones

 *

 * Revision 1.3  2006/05/19 12:57:08  jorpiell

 * Modificados algunos paneles

 *

 * Revision 1.2  2006/04/20 16:38:24  jorpiell

 * Ahora mismo ya se puede hacer un getCapabilities y un getDescribeType de la capa seleccionada para ver los atributos a dibujar. Queda implementar el panel de opciones y hacer el getFeature().

 *

 * Revision 1.1  2006/04/19 12:50:16  jorpiell

 * Primer commit de la aplicaci?n. Se puede hacer un getCapabilities y ver el mensaje de vienvenida del servidor

 *

 */

/**

 * <p>Container of the WFS panels, that works as a {@linkplain TabbedPanel TabbedPanel}.</p>

 *

 * @author Pablo Piqueras Bartolom? (pablo.piqueras@iver.es)

 * @author Jorge Piera Llodr? (piera_jor@gva.es)

 */

public class WFSParamsPanel extends TabbedPanel implements ILayerPanel {

        private static final long serialVersionUID = 150328995058481516L;

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

        private WFSServerExplorer serverExplorer = null;

        private WFSSelectedFeatureManager selectedFeatureManager = null;

        private static final MapContextManager MAP_CONTEXT_MANAGER = MapContextLocator.getMapContextManager();

        // Tab positions

        private int infoTabPosition = -1;

        private int featureTabPosition = -1;

        private int fieldsTabPosition = -1;

        private int optionsTabPosition = -1;

        private int filterTabPosition = -1;

        private int areaTabPosition = -1;

        // Tabs

        private WFSInfoPanel infoPanel = null;

        private WFSSelectFeaturePanel featurePanel = null;

        private WFSSelectFieldsPanel fieldsPanel = null;

        private WFSOptionsPanel optionsPanel = null;

        private WFSFilterPanel filterPanel = null;

        private WFSAreaPanel areaPanel = null;

        private String cacheSelected = null;

        /**

         * This method initializes jTabbedPane

         *

         * @return javax.swing.JTabbedPane

         */

        public WFSParamsPanel(Object reference) {

                super(reference);

                initialize();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gui.beans.panelGroup.tabbedPanel.TabbedPanel#initialize()

         */

        protected void initialize() {

                super.initialize();

                this.setVisible(false);

        }

        /**

         * Sets the focus to the next tab of the current one.

         */

        public void goToNextTab() {

                int tabIndex = getSelectedIndex();

                if ((tabIndex - 1) < getPanelInGUICount()) {

                        int nextIndex = nextPageEnabled();

                        if (nextIndex > -1)

                                setSelectedIndex(nextIndex);

                }

        }

        /**

         * Sets the focus to the tab previous to the current one.

         */

        public void goToPreviousTab(){

                setSelectedIndex(previousEnabledPage());

        }

        /**

         * @see JTabbedPane#getSelectedIndex()

         */

        public int getSelectedIndex(){

                return this.getJTabbedPane().getSelectedIndex();

        }

        /**

         * @see JTabbedPane#setSelectedIndex(int)

         */

        public void setSelectedIndex(int index) {

                this.getJTabbedPane().setSelectedIndex(index);

        }

        /**

         * This method initializes infoPanel

         * 

         * @return the information panel

         */

        public WFSInfoPanel getInfoPanel() {

                if (infoPanel != null)

                        return infoPanel;

                if (infoTabPosition == -1)

                        return null;

                return (infoPanel = (WFSInfoPanel) values().toArray()[infoTabPosition]);

        }

        /**

         * This method initializes featurePanel

         *

         * @return javax.swing.JPanel

         */

        public WFSSelectFeaturePanel getFeaturesPanel() {

                if (featurePanel != null)

                        return featurePanel;

                if (featureTabPosition == -1)

                        return null;

                return (featurePanel = (WFSSelectFeaturePanel) values().toArray()[featureTabPosition]);

        }

        /**

         * This method initializes fieldsPanel

         *

         * @return javax.swing.JPanel

         */

        public WFSSelectFieldsPanel getFieldsPanel() {

                if (fieldsPanel != null)

                        return fieldsPanel;

                if (fieldsTabPosition == -1)

                        return null;

                return (fieldsPanel = (WFSSelectFieldsPanel) values().toArray()[fieldsTabPosition]);

        }

        /**

         * This method initializes optionsPanel

         *

         * @return javax.swing.JPanel

         */

        public WFSOptionsPanel getOptionsPanel() {

                if (optionsPanel != null)

                        return optionsPanel;

                if (optionsTabPosition == -1)

                        return null;

                return (optionsPanel = (WFSOptionsPanel) values().toArray()[optionsTabPosition]);

        }

        /**

         * This method initializes filterPanel

         * 

         * @return javax.swing.JPanel

         */

        public WFSFilterPanel getFilterPanel(){

                if (filterPanel != null)

                        return filterPanel;

                if (filterTabPosition == -1)

                        return null;

                return (filterPanel = (WFSFilterPanel) values().toArray()[filterTabPosition]);

        }

        /**

         * This method initializes areaPanel

         * 

         * @return javax.swing.JPanel

         */

        public WFSAreaPanel getAreaPanel() {

                if (areaPanel != null)

                        return areaPanel;

                if (areaTabPosition == -1)

                        return null;

                return (areaPanel = (WFSAreaPanel) values().toArray()[areaTabPosition]);

        }

        /**

         * Verifies that the selected parameters are enough to request

         * the coverage to the server.

         * 

         * @return boolean <code>true</code> if its correctly configured;

         * otherwise returns <code>false</code>

         */

        public boolean isCorretlyConfigured() {

            if (featurePanel == null) {

                return false;

            }

            int n_sel = featurePanel.getSelectedFeaturesCount();

            return (n_sel > 0);

        }

        /**

         * Enable or disable the default tabs

         */

        public void enableDefaultTabs(boolean isEnabled) {

                if (fieldsTabPosition != -1)

                        setEnabledAt(fieldsTabPosition, isEnabled);

                if (filterTabPosition != -1)

                        setEnabledAt(filterTabPosition, isEnabled);

                if (areaTabPosition != -1)

                        setEnabledAt(areaTabPosition, isEnabled);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gui.beans.panelGroup.tabbedPanel.TabbedPanel#loadPanel(org.gvsig.gui.beans.panelGroup.panels.IPanel)

         */

        protected void loadPanel(IPanel panel) {

                super.loadPanel(panel);

                if (((AbstractPanel)panel).getClass() ==  WFSInfoPanel.class) {

                        infoTabPosition = getPanelInGUICount() - 1;

                        return;

                }

                if (((AbstractPanel)panel).getClass() ==  WFSSelectFeaturePanel.class) {

                        featureTabPosition = getPanelInGUICount() - 1;

                        return;

                }

                if (((AbstractPanel)panel).getClass() ==  WFSSelectFieldsPanel.class) {

                        fieldsTabPosition = getPanelInGUICount() - 1;

                        return;

                }

                if (((AbstractPanel)panel).getClass() ==  WFSOptionsPanel.class) {

                        optionsTabPosition = getPanelInGUICount() - 1;

                        return;

                }

                if (((AbstractPanel)panel).getClass() ==  WFSFilterPanel.class) {

                        filterTabPosition = getPanelInGUICount() - 1;

                        return;

                }

                if (((AbstractPanel)panel).getClass() ==  WFSAreaPanel.class) {

                        areaTabPosition = getPanelInGUICount() - 1;

                        return;

                }

        }

        /**

         * Refresh all the panels with the WFS capabilities information.

         */

        public void refreshCapabilitiesInfo(){

                WFSSelectedFeature selectedFeature = getFeaturesPanel().getSelectedFeature();

                if (selectedFeature != null) {

                        selectedFeature.setSelectedFields(getFieldsPanel().getSelectedFields());

                } else {

                        getFeaturesPanel().refresh(null);

                }

                serverExplorer.setUserName(getOptionsPanel().getUserName());

                serverExplorer.setMaxFeatures(getOptionsPanel().getBuffer());

                serverExplorer.setTimeOut(getOptionsPanel().getTimeout());

                getInfoPanel().refresh(selectedFeature);

        }

        /**

         * Gets the information used to add or load a WFS layer.

         * 

         * @return information used to add or load a WFS layer

         */

        public WFSServerExplorer getServerExplorer() {

                return serverExplorer;

        }

        /**

         * Sets the information used to add or load a WFS layer.

         *

         * @param wizardData information used to add or load a WFS layer

         */

        public void setServerExplorer(WFSServerExplorer serverExplorer) {

                this.serverExplorer = serverExplorer;

                this.selectedFeatureManager = 

                        WFSSelectedFeatureManager.getInstance(serverExplorer);

        }

        /**

         * Returns the next enabled tab's index, or -1 if there isn't any.

         *

         * @return The index or -1 if there is no one.

         */

        public int nextPageEnabled() {

                int currentPage = getSelectedIndex();

                int nPages = getPanelInGUICount();

                if (currentPage == nPages)

                        return -1;

                for (int i = currentPage + 1; i < nPages; i++){

                        if (getJTabbedPane().isEnabledAt(i)){

                                return i;

                        }

                }

                return -1;

        }

        /**

         * Returns the index of the current tab.

         *

         * @return index of the current tab

         */

        public int currentPage() {

                return getSelectedIndex();

        }

        /**

         * Returns the index of the previous enabled tab.

         *

         * @return The index, or -1 if there is no one.

         */

        public int previousEnabledPage() {

                int currentPage = getSelectedIndex();

                if (currentPage == 0)

                        return -1;

                for (int i = currentPage - 1; i > -1; i--) {

                        if (isEnabledAt(i)) {

                                return i;

                        }

                }

                return -1;

        }

        /*

         *  (non-Javadoc)

         * @see com.iver.cit.gvsig.gui.WizardPanel#initWizard()

         */

        public void initWizard() {

        }

        /*

         *  (non-Javadoc)

         * @see com.iver.cit.gvsig.gui.WizardPanel#execute()

         */

        public void execute() {

        }

        /*

         *  (non-Javadoc)

         * @see com.iver.cit.gvsig.gui.ILayerPanel#getLayer()

         */

        public FLayer getLayer() {                

            try {

                FLayer layer = (FLyrVect) createLayer();

                logger.warn("El flujo de la apliaci?n tal vez no deber?a haber pasado por aqu?.");

                return layer;

            } catch (CreateLayerException e) {

                // do nothing

            }                

            return null;

        }

        public FLayer createLayer() throws CreateLayerException {

                try {                    

                    FLyrVect layerAux = 

                        (FLyrVect)MAP_CONTEXT_MANAGER.createLayer(getFeaturesPanel().getLayerName(), getDataStoreParameters());

                        if((cacheSelected != null) && (!this.cacheSelected.equals(PluginServices.getText(this, "none")))){

                                layerAux.getFeatureStore().createCache(cacheSelected, getParameters(cacheSelected));

                        }

                        return layerAux;

                } catch (Exception e) {

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

                        throw new CreateLayerException(getFeaturesPanel().getLayerName(), e); 

                }

        }

         protected DynObject getParameters(String nameCacheProvider) throws DataException {

                 DataManager dataManager = DALLocator.getDataManager();

                 return dataManager.createCacheParameters(nameCacheProvider);

         }

        public WFSStoreParameters getDataStoreParameters() throws InitializeException, ProviderNotRegisteredException{

                DataManager dataManager = DALLocator.getDataManager();

                WFSStoreParameters parameters = (WFSStoreParameters) dataManager

                .createStoreParameters(WFSStoreProvider.NAME);

                refreshDataStoreParameters(parameters);

                return parameters;

        }        

        private void refreshDataStoreParameters(WFSStoreParameters parameters){

                WFSSelectedFeature selectedFeature = getSelectedFeature();

                parameters.setUrl(serverExplorer.getUrl());

                parameters.setFeatureType(selectedFeature.getNameSpace(),

                                selectedFeature.getName());

                parameters.setFields(getFieldsPanel().getSelectedFieldsAsString());

                parameters.setUser(getOptionsPanel().getUserName());

                parameters.setPassword(getOptionsPanel().getPassword());

                parameters.setMaxFeatures(getOptionsPanel().getBuffer());

                parameters.setTimeOut(getOptionsPanel().getTimeout());

                parameters.setFilterByAreaGeometry(getAreaPanel().getArea());

                parameters.setFilterByAreaCrs(getOptionsPanel().getSRS());

                XMLNameSpace ns = selectedFeature.getWFSFeature().getNamespace();

                if (ns != null) {

                String ns_pre = ns.getPrefix(); 

                parameters.setDynValue(

                    WFSStoreParameters.DYNFIELDNAME_NAMESPACEPREFIX, ns_pre);

                }

                // serverExplorer.getServerExplorerProviderServices();

                parameters.setVersion(getOptionsPanel().getVersion());

                parameters.setFilterByAreaOperation((int)AbstractFilter.GEOMETRY_INTERSECTS);

                parameters.setFilterByAreaAttribute(selectedFeature.getGeometryField().getName());

                parameters.setFilterEncodingByAttribute(getFilterPanel().getQuery());

        }

    /**

     * Sets the forms from a 

     */

    public void setDataStore(DataStore dataStore){

        WFSStoreParameters storeParameters = 

            (WFSStoreParameters)dataStore.getParameters();

        WFSSelectedFeature selectedFeature =

            selectedFeatureManager.getFeatureInfo(storeParameters.getFeatureNamespace(),

                storeParameters.getFeatureType());        

        getFeaturesPanel().setSelectedFeature(selectedFeature);

        getFieldsPanel().setSelectedFields(storeParameters.getFields());

        getOptionsPanel().setUserName(storeParameters.getUser());

        getOptionsPanel().setPassword(storeParameters.getPassword());

        getOptionsPanel().setBuffer(storeParameters.getMaxFeatures());

        getOptionsPanel().setTimeOut(storeParameters.getTimeOut());

        getAreaPanel().setArea(storeParameters.getFilterByAreaGeometry());

        getOptionsPanel().setSRS(storeParameters.getFilterByAreaCrs());

        getOptionsPanel().setVersion(storeParameters.getVersion());

        getFilterPanel().setFilterExpressionIntoInterface(storeParameters.getFilterEncodingByAttribute());  

        //The filter panel needs to store to update the attributes list

        getFilterPanel().setDataStore(dataStore);

    }

    /**

     * Gets the node of the layer selected as a feature, with the selected fields and the filter defined.

     * 

     * @return gets the node of the layer selected as a feature, with the selected fields and the filter defined

     */

    private WFSSelectedFeature getSelectedFeature(){

        WFSSelectedFeature selectedFeature = getFeaturesPanel().getSelectedFeature();

        selectedFeature.setSelectedFields(getFieldsPanel().getSelectedFields());

        selectedFeature.setFilter(getFilterPanel().getQuery());     

        return selectedFeature;

    }

        /**

         * @see WFSWizard#doClickOnNextButton()

         */

        public void doClickOnNextButton() {

                Object obj = this.getParent();

                if (obj == null)

                        return;

                // When we start to connect to a server -> the interface is the dialog WFSWizard

                if (obj instanceof WFSWizard)

                        ((WFSWizard)this.getParent()).doClickOnNextButton();

                else {

                        // When we are modifying a loaded layer -> the interface is the dialog WFSPropsDialog

                        this.advanceCurrentTab();

                }

        }

        /**

         * Selects the next tab

         */

        public void advanceCurrentTab() {

                int currentTabIndex = this.getJTabbedPane().getSelectedIndex();

                // Ensure we can select next tab

                if ((currentTabIndex != -1) && (currentTabIndex < (values().size() -1)))

                        setSelectedIndex(currentTabIndex + 1);

        }

        /**

         * Refreshes the data of the inner <code>WFSSelectFeaturePanel</code>.

         */

        public void refreshWFSSelectFeaturePanel() {

                WFSSelectFeaturePanel panel = getFeaturesPanel();

                if (panel != null) {

                        panel.refresh(null);

                }

        }

        /**

         * @return the selected projection

         */

        public IProjection getSelectedFeatureProjection(){

                WFSSelectedFeature selectedFeature = getSelectedFeature();

                if (selectedFeature.getSrs().size() > 0){

                        String crs = (String)selectedFeature.getSrs().get(0);

                        crs = getSRS(crs);

                        IProjection projection = CRSFactory.getCRS(crs);

                        if (projection != null){

                                return projection;

                        }

                }

                return null;

        }

        /**

         * Removing the URN prefix

         * @param srs

         * @return

         */

        private String getSRS(String srs){

                if (srs == null){

                        return null;

                }

                if (srs.startsWith("urn:x-ogc:def:crs:")){

                        String newString = srs.substring(srs.lastIndexOf(":") + 1, srs.length());

                        if (srs.indexOf("EPSG") > 0){

                                if (newString.indexOf("EPSG") < 0){

                                        newString = "EPSG:" + newString;

                                }

                        }

                        return newString;                        

                }

                if (srs.toLowerCase().startsWith("crs:")){

                        return srs.substring(4, srs.length());

                }

                return srs;

        }

        /**

         * Refresh all the panels every time that a different layer is selected. The info panel is refreshed every time the user 

         * makes a click on it.

         * 

         * @param selectedFeature the selected layer

         */

        public void refresh(WFSSelectedFeature selectedFeature, List vers_list){

                boolean hasFields = false;

                if (selectedFeature!=null){

                        //Update the layer information

                        selectedFeature = selectedFeatureManager.getFeatureInfo(selectedFeature.getNameSpace(),

                                        selectedFeature.getName());

                        // If there is no fields -> disable not necessary tabs

                        if (selectedFeature.getWFSFeature().getFieldSize() == 0) {

                                setApplicable(false);

                                hasFields = false;

                        }else{        

                                getFieldsPanel().refresh(selectedFeature);                        

                                getOptionsPanel().refresh(selectedFeature);

                getOptionsPanel().refreshVersions(vers_list);

                                getFilterPanel().refresh(selectedFeature);

                                getAreaPanel().refresh(selectedFeature);

                                hasFields = true;

                        }

                }

                enableDefaultTabs(hasFields);

        }

        /**

         * Changes the <i>enable</i> status of the "<i>apply</i>" button

         * 

         * @param isApplicable the <i>enable</i> status of the "<i>apply</i>" button

         */

        public void setApplicable(boolean isApplicable){

                setEnabledApplyButton(isApplicable);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gui.beans.buttonspanel.IButtonsPanel#setEnabledApplyButton(boolean)

         */

        public void setEnabledApplyButton(boolean b) {

                super.setEnabledApplyButton(b);

                Container parent = getParent();

                if ((parent != null) && (parent instanceof WizardPanel))

                        ((WizardPanel)parent).callStateChanged(b);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gui.beans.panelGroup.AbstractPanelGroup#loadPanels(org.gvsig.gui.beans.panelGroup.loaders.IPanelGroupLoader)

         */

        public void loadPanels(IPanelGroupLoader loader) throws ListCouldntAddPanelException, EmptyPanelGroupException, EmptyPanelGroupGUIException {

                // This code will be executed when is creating the dialog of properties

                if (getReference() != null) {

                        FLyrVect lyr = (FLyrVect) getReference();

                        DataManager dataManager = DALLocator.getDataManager();

                        //Create the datastore parameters and fill them

                        WFSStoreParameters parameters;

                        try {

                                parameters = (WFSStoreParameters) dataManager

                                .createStoreParameters(WFSStoreProvider.NAME);

                                parameters.setUrl(serverExplorer.getUrl());

                                parameters.setVersion(serverExplorer.getVersion());

                                //parameters.setFeatureType(namespacePrefix, namespace, featureType);

                                //dataSource.setDriver(lyr.getWfsDriver());

                                //setServerExplorer(dataSource);

                                super.loadPanels(loader);

                                //                                HashMap<String, Object> info = lyr.getProperties();

                                //                                setSelectedFeature((WFSLayerNode)info.get("wfsLayerNode"));

                                //                                setStatus((WFSStatus)info.get("status"));

                                //                                setLayerName(lyr.getName());

                                //                                setVisible(true);

                                //                                refreshInfo();

                        } catch (InitializeException e) {

                                // TODO Auto-generated catch block

                                e.printStackTrace();

                        } catch (ProviderNotRegisteredException e) {

                                // TODO Auto-generated catch block

                                e.printStackTrace();

                        }                        

                        return;

                }

                // This will executed when is adding a new WFS layer:

                super.loadPanels(loader);

        }

        ///// BEGIN: METHODS FOR INITIALIZE THIS PANEL AS A COMPONENT OF A PROPERTIES DIALOG /////

        /**

         * @see WFSSelectFeaturePanel#setLayerName(String)

         */

        public void setLayerName(String name) {

                getFeaturesPanel().setLayerName(name);

        }

        /**

         * Updates the information stored at the wizard's data and <i>info</i> panel.

         */

        public void refreshInfo(){

                WFSSelectedFeature selectedFeature = getFeaturesPanel().getSelectedFeature();

                if (selectedFeature != null) {

                        selectedFeature.setSelectedFields(getFieldsPanel().getSelectedFields());

                }

                serverExplorer.setUserName(getOptionsPanel().getUserName());

                serverExplorer.setMaxFeatures(getOptionsPanel().getBuffer());

                serverExplorer.setTimeOut(getOptionsPanel().getTimeout());

                getInfoPanel().refresh(selectedFeature);

        }

        /**

         * @return the selectedFeatureManager

         */

        public WFSSelectedFeatureManager getSelectedFeatureManager() {

                return selectedFeatureManager;

        }

        public void setSelectedCache(String selectedCache) {

                this.cacheSelected = selectedCache;

        }        

}