| gvSIG desktop 1

package org.gvsig.wfs.gui.panels;

import java.awt.Dimension;

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

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

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

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

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:

 *

 * $Id$

 * $Log$

 *

 */

/**

 * <p>Default panel used to create a WFS group's panel.</p>

 * 

 * @author Jorge Piera LLodr? (jorge.piera@iver.es)

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

 */

public abstract class AbstractWFSPanel extends AbstractPanel implements IWFSPanel {

	// Default dimensions of all WFS panels

	static final int PANEL_WIDTH = 475;

	static final int PANEL_HEIGHT = 365;

	protected static final Logger logger = LoggerFactory.getLogger(AbstractWFSPanel.class);

	/**

	 * Initializes an WFS panel.

	 */

	public AbstractWFSPanel() {

		super();

		setPreferredSize(new Dimension(PANEL_WIDTH, PANEL_HEIGHT));

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.gui.beans.panelGroup.panels.AbstractPanel#initialize()

	 */

	protected void initialize() {

		// By default all panels will be at the GUI

		setVisible(true);

	}

	/**

	 * <p>Gets the information of the wizard used to add or load panels.</p>

	 * 

	 * @return the wizard data

	 */

	public WFSServerExplorer getServerExplorer(){

		return (getPanelGroup() == null)? null: ((WFSParamsPanel)getPanelGroup()).getServerExplorer();  

	}

	public WFSSelectedFeatureManager getSelectedFeatureManager(){

		return (getPanelGroup() == null)? null: ((WFSParamsPanel)getPanelGroup()).getSelectedFeatureManager();

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.gui.beans.panelGroup.panels.AbstractPanel#setReference(java.lang.Object)

	 */

	public void setReference(Object ref) {

		super.setReference(ref);

	}	

	/*

	 * (non-Javadoc)

	 * @see com.iver.cit.gvsig.gui.panels.IWFSPanel#refresh(com.iver.cit.gvsig.fmap.layers.WFSLayerNode)

	 */

	public void refresh(WFSSelectedFeature layer) {

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.gui.beans.panelGroup.panels.IPanel#accept()

	 */

	public void accept() {

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.gui.beans.panelGroup.panels.IPanel#apply()

	 */

	public void apply() {

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.gui.beans.panelGroup.panels.IPanel#cancel()

	 */

	public void cancel() {

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.gui.beans.panelGroup.panels.IPanel#selected()

	 */

	public void selected() {

	}

}

package org.gvsig.wfs.gui.panels;

import java.awt.Container;

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.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

 * Añadidos los filtros por área

 *

 * 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 información 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, métodos, clases, paquetes o comentarios por "fields". (Sólo a aquellas que afectan a clases dentro del proyecto extWFS2).

 *

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

 * Añadido 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.

 *

 * -Además, control frentre a consultas de filtro erróneas, (esto a medias aún).

 *

 * - Algún comentario más.

 *

 * 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 además se avanza a la siguiente pestaña sin tener que pulsar el botón '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 todavía 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

 * Añadida pequeña funcionalidad:

 * Cuando se pulsa el botón "Aplicar", (al seleccionar un nuevo filtro), si el árbol de campos posee alguno seleccionado, actualiza los valores (con los nuevos), asociados a éste 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 sólo interfaz gráfica.

 *

 * 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 DataStoreParameters 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.setVersion(serverExplorer.getVersion());

		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());

		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());

        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){

		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);

				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;

	}	

}

package org.gvsig.wfs.gui.panels;

import java.awt.Color;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.io.ByteArrayInputStream;

import java.io.InputStream;

import java.text.DateFormat;

import java.text.ParseException;

import java.util.Comparator;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Map;

import java.util.Set;

import java.util.StringTokenizer;

import java.util.TreeSet;

import java.util.Vector;

import javax.swing.DefaultListModel;

import javax.swing.JOptionPane;

import javax.swing.event.DocumentEvent;

import javax.swing.event.DocumentListener;

import javax.swing.event.TreeSelectionEvent;

import javax.swing.event.TreeSelectionListener;

import javax.swing.tree.DefaultMutableTreeNode;

import javax.swing.tree.DefaultTreeModel;

import javax.swing.tree.TreePath;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.app.gui.filter.ExpressionDataSource;

import org.gvsig.app.gui.filter.FilterException;

import org.gvsig.app.sqlQueryValidation.SQLQueryValidation;

import org.gvsig.fmap.dal.DataStore;

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

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

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

import org.gvsig.gui.beans.Messages;

import org.gvsig.gui.beans.filterPanel.filterQueryPanel.FilterQueryJPanel;

import org.gvsig.gui.beans.panelGroup.IPanelGroup;

import org.gvsig.remoteclient.wfs.WFSFeatureField;

import org.gvsig.tools.dataTypes.DataTypes;

import org.gvsig.tools.dispose.DisposableIterator;

import org.gvsig.utils.stringNumberUtilities.StringNumberUtilities;

import org.gvsig.wfs.gui.panels.fieldstree.FieldsTreeTableModel;

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

import org.gvsig.xmlschema.lib.api.som.IXSElementDeclaration;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import Zql.ZExp;

import Zql.ZqlParser;

/* 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

 */

/**

 * <p>Panel that provides tools to apply a filter to the values of a feature.</p>

 * <p>Improves the functionality of {@link FilterQueryJPanel FilterQueryJPanel}.</p>

 *

 * @see FilterQueryJPanel

 * 

 * @author Pablo Piqueras Bartolom? (p_queras@hotmail.com)

 */

public class WFSFilterPanel extends FilterQueryJPanel implements IWFSPanel {

    private static final long serialVersionUID = -6041218260822015810L;

    private static final Logger LOG = LoggerFactory.getLogger(WFSFilterPanel.class);

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

    private ExpressionDataSource model = null;

    private FieldsTreeTableModel fieldsTreeTableModel;

    private boolean panelAsATabForWFSLayersLoad;

    private TreePath currentPath;

    private Map<String, Map<String, String>> allFieldsAndValuesKnownOfCurrentLayer; // This will have all values (not repeated) known of all fields (not repeated)

    private DataStore dataStore = null;

    ///// GUI METHODS ////

    /**

     * This method initializes

     *

     * @param parent A reference to the parent container component of this component

     */

    public WFSFilterPanel() {

        super();

        currentPath = null;  

        allFieldsAndValuesKnownOfCurrentLayer = new HashMap<String, Map<String, String>>(); // Initial capacity = 0

        // At beginning, the JList is disabled (and its set a particular color for user could knew it)

        super.getValuesJList().setEnabled(false);

        //getValuesJList().setBackground(new Color(220, 220, 220));

        //The validation option is disabled by default

        this.getValidateFilterExpressionJCheckBox().setSelected(false);

    }

    /*

     *  (non-Javadoc)

     * @see org.gvsig.gui.beans.filterPanel.AbstractFilterQueryJPanel#initialize()

     */

    protected void initialize() {

        setLabel(PluginServices.getText(this, "filter"));

        setLabelGroup(PluginServices.getText(this, "wfs"));

        super.initialize();

        this.resizeHeight(380);

        defaultTreeModel = (DefaultTreeModel)fieldsJTree.getModel();

        this.addNewListeners();

        panelAsATabForWFSLayersLoad = true;

        getValidateFilterExpressionJCheckBox().setSelected(true);

        getValuesJLabel().setToolTipText(Messages.getText("values_of_the_selected_field_explanation"));

        getFieldsJLabel().setToolTipText(Messages.getText("fields_of_the_selected_feature_explanation"));

    }

    /**

     * Adds some more listener to the components of the panel

     */

    private void addNewListeners() {

        // Enable "Apply" button when user changes the filter query

        txtExpression.getDocument().addDocumentListener(new DocumentListener() {

            /*

             *  (non-Javadoc)

             * @see javax.swing.event.DocumentListener#changedUpdate(javax.swing.event.DocumentEvent)

             */

            public void changedUpdate(DocumentEvent e) {

            }

            /*

             *  (non-Javadoc)

             * @see javax.swing.event.DocumentListener#insertUpdate(javax.swing.event.DocumentEvent)

             */

            public void insertUpdate(DocumentEvent e) {

                if (!panelAsATabForWFSLayersLoad) {

                    IPanelGroup panelGroup = getPanelGroup();

                    if (panelGroup == null)

                        return;

                    ((WFSParamsPanel)panelGroup).setApplicable(true);

                }

            }

            /*

             *  (non-Javadoc)

             * @see javax.swing.event.DocumentListener#removeUpdate(javax.swing.event.DocumentEvent)

             */

            public void removeUpdate(DocumentEvent e) {

                if (!panelAsATabForWFSLayersLoad) {

                    IPanelGroup panelGroup = getPanelGroup();

                    if (panelGroup == null)

                        return;

                    ((WFSParamsPanel)panelGroup).setApplicable(true);

                }

            }

        });

        // Listener for "fieldsJTree"

        getFieldsJTree().addMouseListener(new MouseAdapter() {

            /*

             *  (non-Javadoc)

             * @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)

             */

            public void mouseClicked(MouseEvent e) {

                int row = fieldsJTree.getRowForLocation(e.getX(), e.getY());

                TreePath treePath = fieldsJTree.getPathForLocation(e.getX(), e.getY());

                if (row > -1) {

                    switch (e.getClickCount()) {

                    case 2:

                        putSymbolOfSelectedByMouseBranch(treePath);

                        break;

                    }

                }

            }

        });

        // Listener for "valuesJList"

        getValuesJList().addMouseListener(new MouseAdapter() {

            /*

             *  (non-Javadoc)

             * @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)

             */

            public void mouseClicked(MouseEvent e) {

                int index = getValuesJList().getSelectedIndex();

                // Avoids exception when no value is in the list

                if (index == -1)

                    return;

                if (e.getClickCount() == 2){

                    String valor = valuesListModel.getElementAt(index).toString();

                    // If value is an string -> set it between apostrophes

                    if (getNodeOfCurrentPath().getDataType().getType() == DataTypes.STRING) {

                        putSymbol("'" + valor + "'");

                    }

                    else {

                        putSymbol(valor);

                    }

                }

            }

        });

        // Listener for a branch of the tree selection

        getFieldsJTree().addTreeSelectionListener(new TreeSelectionListener() {

            /*

             *  (non-Javadoc)

             * @see javax.swing.event.TreeSelectionListener#valueChanged(javax.swing.event.TreeSelectionEvent)

             */

            public void valueChanged(TreeSelectionEvent e) {

                if (dataStore != null){

                    currentPath = e.getPath();

                    fillValuesByPath(currentPath);

                }

            }

        });

        // Listener: when a user writes something on the textarea -> set it's foreground color to black

        getTxtExpression().getDocument().addDocumentListener(new DocumentListener() {

            /*

             *  (non-Javadoc)

             * @see javax.swing.event.DocumentListener#changedUpdate(javax.swing.event.DocumentEvent)

             */

            public void changedUpdate(DocumentEvent e) {

            }

            /*

             *  (non-Javadoc)

             * @see javax.swing.event.DocumentListener#insertUpdate(javax.swing.event.DocumentEvent)

             */

            public void insertUpdate(DocumentEvent e) {

                getTxtExpression().setForeground(Color.BLACK);

            }

            /*

             *  (non-Javadoc)

             * @see javax.swing.event.DocumentListener#removeUpdate(javax.swing.event.DocumentEvent)

             */

            public void removeUpdate(DocumentEvent e) {

                getTxtExpression().setForeground(Color.BLACK);

            }

        });

    }

    /**

     * Gets the element that the 'currentPath' field aims

     *

     * @return An XMLElement

     */

    private WFSFeatureField getNodeOfCurrentPath() {

        if (currentPath != null) {

            Object node = currentPath.getLastPathComponent();

            if ((node != null) && (node instanceof WFSFeatureField)) {

                return (WFSFeatureField) node;

            }

        }

        return null;

    }

    /**

     * Puts the symbol of selected branch

     *

     * @param mouseEvent A MouseEvent with information  of the selected branch

     */

    public void putSymbolOfSelectedByMouseBranch(TreePath treePath) {

        // Sets the node selected

        if (treePath != null) {

            putSymbol("\"" + this.getPathOfLeafWithoutRoot(treePath.getLastPathComponent().toString()) + "\"");

        }

    }

    /**

     * This method returns the path without the root, of a node of a tree

     * Each node is separated from its parent with the symbol "/"

     *

     * @param node A leaf node

     * @return An string with the path

     */

    private String getPathOfLeafWithoutRoot(Object node) {

        String path = "";

        if ((node != null) && (node instanceof IXSElementDeclaration)) {

            IXSElementDeclaration element = (IXSElementDeclaration) node;

            IXSElementDeclaration parent = element.getParentElement();

            path = element.getNodeName();

            while (parent.getParentElement() != null){

                path = parent.getNodeName() + "/" + path;

                parent = parent.getParentElement();

            }

        }else if (node instanceof String){

            path = node.toString();

        }

        return path;

    }

    /**

     * Gets the value of the inner attribute: 'panelAsATabForWFSLayersLoad'

     *

     * @return A boolean value

     */

    public boolean getWFSFilterPanelIsAsTabForWFSLayersLoad() {

        return this.panelAsATabForWFSLayersLoad;

    }

    /**

     * Refresh all information about fields

     *

     * @param feature a feature with fields

     */

    public void refresh(WFSSelectedFeature feature) {

        setFields(feature);	       

    }

    /**

     * Gets the query that will be send to the server

     * @return SQL query (just the where part)

     */

    public String getQuery(){

        String writtenQuery = txtExpression.getText().trim();

        // Validate expression

        if (!this.validateExpression(writtenQuery)) {

            getTxtExpression().setForeground(Color.red);

            return null;

        }

        else {

            logger.debug("Codified WFS filter query: " + writtenQuery);

            if (writtenQuery.trim().length() == 0){

                return null;

            }

            // Codify expression (only if the validation has been successful)

            return formatResutl(writtenQuery); // Ignores the spaces at beginning and end of the chain of characters

        }

    }

    /**

     * Gets the filter expression from the user interface

     */

    public String getFilterExpressionFromInterface() {

        return getTxtExpression().getText();

    }

    /**

     * Writes the filter expression into the user interface

     * @param filterExpression An string

     */

    public void setFilterExpressionIntoInterface(String filterExpression){

        getTxtExpression().setText(filterExpression);

    }

    /**

     * Removes text in the JTextArea that has the filter subconsultation

     */

    public void removeFilterExpression() {

        getTxtExpression().setText("");

    }

    private String formatResutl(String query) {

        if ((query == null) || (query.equals(""))){

            return null;

        }

        InputStream is = new ByteArrayInputStream(query.getBytes());

        ZqlParser parser = new ZqlParser();

        parser.initParser(is);

        ZExp exp;

        try {

            exp = parser.readExpression();

            return exp.toString();    

        } catch (Zql.ParseException e) {

           LOG.error("Formatting the filter request", e);

           JOptionPane.showMessageDialog(null, PluginServices.getText(null, "filter_with_an_incorrect_format"), PluginServices.getText(null, "error_validating_filter_query"), JOptionPane.ERROR_MESSAGE);

        }

        return query;

    }

    /**

     * Checks the filter expression if it's correct

     *

     * @param query The query expression to analyze

     * @return True if it's valid or false if not

     */

    private boolean validateExpression(String query) {

        try {

            // If it's needed to validate the query

            if (getValidateFilterExpressionJCheckBox().isSelected()) {

                // If it's an empty query -> ok

                if (query.trim().length() == 0)

                    return true;

                // Replace all Date(dd-mmm-yyyy) format to ddd-mmm-yyyy (characters will replaced to spaces)

                int index = 0;