Application: gvSIG desktop

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

*

* Copyright (C) 2005 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.gui.panels;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.event.FocusEvent;

import java.awt.event.FocusListener;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import java.util.ArrayList;

import java.util.prefs.Preferences;

import org.gvsig.gui.beans.swing.JButton;

import javax.swing.JCheckBox;

import javax.swing.JComboBox;

import javax.swing.JLabel;

import javax.swing.JList;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JTabbedPane;

import javax.swing.JTextField;

import org.gvsig.gui.beans.controls.dnd.JDnDList;

import org.gvsig.gui.beans.controls.dnd.JDnDListModel;

import com.iver.andami.PluginServices;

import com.iver.cit.gvsig.fmap.drivers.wcs.FMapWCSDriver;

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

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

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

import com.iver.cit.gvsig.gui.WizardPanel;

import com.iver.cit.gvsig.gui.wcs.WCSWizardData;

import com.iver.cit.gvsig.gui.wizards.WizardListenerSupport;

/**

 * This class implements the coverage option panel.

 *

 * It includes a set of Listeners that implement some control rules which

 * refresh the component values that depends on those selected in the other

 * components to avoid to choose an invalid set of options. It also includes a

 * method (isCorrectlyConfigured()) that checks if the current set of values is enough to

 * correctly launch a GetCoverage request.

 *

 * The information is obtained from a WCSWizardDataSource object.

 *

 *

 * Esta clase implementa el panel de opciones disponibles sobre la cobertura.

 *

 * Incluye una serie de Listeners que implementan unas reglas de control que

 * refrescan los valores de componentes cuyos valores dependen de aqu?llos

 * seleccionados en otros componentes para evitar que se escoja una combinaci?n

 * de opciones err?nea as? como una funci?n (isCorrectlyConfigured()) que

 * comprueba si la combinaci?n escogida actualmente es suficiente para lanzar

 * una operaci?n GetCoverage correctamente.

 *

 * La informaci?n obtiene a partir de un objeto WCSWizardDataSource.

 *

 * @author jaume - jaume dominguez faus

 *

 */

public class WCSParamsPanel extends WizardPanel{

        private final int SINGLE_VALUE = 0;

        private final int INTERVAL = 1;

        private JTabbedPane jTabbedPane = null;  //  @jve:decl-index=0:visual-constraint="37,30"

        private JPanel formatsPanel = null;

        private JPanel timesPanel = null;

        private JList lstCRSs = null;

        private JList lstTimes = null;

        private JComboBox cmbParam = null;

        private JDnDList lstParamValues = null;

        private JButton btnDelTime = null;

        private JList lstSelectedTimes = null;

        private JCheckBox chkExtendedNames = null;

        private JList lstFormats = null;

        private JPanel parameterPanel = null;

        private JPanel jPanel2 = null;

        private JPanel jPanel3 = null;

        private JPanel coveragePanel = null;

        private JPanel jPanel4 = null;

        private JTextField txtName = null;

        private JScrollPane jScrollPane = null;

        private JButton btnAddTime = null;

        private LayerList lstCoverages = null;

        private JScrollPane jScrollPane2 = null;

        private JScrollPane jScrollPane3 = null;

        private JScrollPane jScrollPane4 = null;

        private JScrollPane jScrollPane5 = null;

        private JScrollPane jScrollPane1 = null;

        private WCSWizardData data;

        private WizardListenerSupport listenerSupport;

        private int parameterType;

        private int indCoverage;

        private int indFormat;

        private int indTime;

        private int indParameter;

        public        static Preferences fPrefs = Preferences.userRoot().node( "gvsig.wcs-wizard" );

        private JComboBox cmbInterpolationMethods = null;

        private JCheckBox chkUseInterpolationMethod = null;

        private InfoPanel infoPanel;

        private int intInfo;

        private JPanel pnlName;

        /**

         * This method initializes jTabbedPane

         *

         * @return javax.swing.JTabbedPane

         */

        public WCSParamsPanel(){

                super();

                initialize();

        }

        /**

         * Returns the tab amount that the WCSParamsPanel currently have

         *

         * Devuelve el n?mero de solapas que tiene actualmente el WCSParamsPanel

         *

         * @return int

         */

        public int getNumTabs(){

                 return getJTabbedPane().getTabCount();

        }

        private void initialize() {

                this.setLayout(null);

                this.setVisible(false);

                this.setBounds(0, 0, 510, 427);

                this.add(getJTabbedPane(), null);

        }

        /**

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

         *

         * Enfoca a la solapa siguiente a la actualmente enfocada del TabbedPane

         *

         */

        public void avanzaTab(){

            int currentPage = currentPage();

            int nPages = getNumTabs();

                if (nPages -1 > currentPage){

                        getJTabbedPane().setSelectedIndex(nextPageEnabled());

                }

        }

        /**

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

         *

         * Enfoca a la solapa anterior a la actualmente enfocada del TabbedPane

         *

         */

        public void retrocedeTab(){

                this.getJTabbedPane().setSelectedIndex(previousEnabledPage());

        }

        /**

         * Returns the current tab index.

         *

         * Devuelve el n?mero de solapa en que se encuentra

         *

         * @return

         */

        public int getIndiceSolapaActual(){

                return this.getJTabbedPane().getSelectedIndex();

        }

        private JTabbedPane getJTabbedPane() {

                if (jTabbedPane == null) {

                        jTabbedPane = new JTabbedPane();

                        jTabbedPane.setBounds(4, 4, 502, 415);

                        jTabbedPane.addTab(PluginServices.getText(this, "info"), null, getInfoPanel());

                        intInfo = jTabbedPane.getTabCount()-1;

                        jTabbedPane.addTab(PluginServices.getText(this, "coverage"), null, getPanelCovertures(), null);

                        indCoverage = jTabbedPane.getTabCount()-1;

                        jTabbedPane.addTab(PluginServices.getText(this, "format"), null, getFormatsPanel(), null);

                        indFormat = jTabbedPane.getTabCount()-1;

                        jTabbedPane.addTab(PluginServices.getText(this, "time"), null, getTimePanel(), null);

                        indTime = jTabbedPane.getTabCount()-1;

                        jTabbedPane.setEnabledAt(indTime, false);

                        jTabbedPane.addTab(PluginServices.getText(this, "parameters"), null, getParameterPanel(), null);

                        indParameter = jTabbedPane.getTabCount()-1;

                        jTabbedPane.setEnabledAt(indParameter, false);

                }

                return jTabbedPane;

        }

        /**

         * This method initializes pnlName

         *

         * @return javax.swing.JPanel

         */

        private JPanel getPnlName() {

                if (pnlName == null) {

                        pnlName = new JPanel(new FlowLayout(FlowLayout.LEFT, 0, 0));

                        pnlName.setBorder(javax.swing.BorderFactory.createTitledBorder(

                                        null, PluginServices.getText(this, "nombre_cobertura"),

                                        javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

                                        javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null));

                        pnlName.setBounds(new java.awt.Rectangle(7,4,482,52));

                        pnlName.add(getTxtName(), null);

                }

                return pnlName;

        }

        private InfoPanel getInfoPanel() {

                if (infoPanel==null) {

                        infoPanel = new InfoPanel();

                        infoPanel.addFocusListener(new FocusListener() {

                                public void focusGained(java.awt.event.FocusEvent e) {

                                        refreshInfo();

                                }

                                public void focusLost(FocusEvent e) {

                                }

                        });

                }

                return infoPanel;

        }

        /**

         * This method initializes panelFormato

         *

         * @return javax.swing.JPanel

         */

        private JPanel getFormatsPanel() {

                if (formatsPanel == null) {

                        formatsPanel = new JPanel();

                        formatsPanel.setLayout(null);

                        formatsPanel.add(getJPanel3(), null);

                        formatsPanel.add(getJPanel2(), null);

                }

                return formatsPanel;

        }

        /**

         * This method initializes panelTemps

         *

         * @return javax.swing.JPanel

         */

        private JPanel getTimePanel() {

                if (timesPanel == null) {

                        timesPanel = new JPanel();

                        timesPanel.setLayout(null);

                        timesPanel.setBounds(5, 17, 464, 374);

                        timesPanel.setBorder(javax.swing.BorderFactory.createTitledBorder(

                                        null, PluginServices.getText(this, "seleccionar_tiempo"),

                                        javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

                                        javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null));

                        timesPanel.add(getBtnAddTime(), null);

                        timesPanel.add(getBtnDelTime(), null);

                        timesPanel.add(getJScrollPane3(), null);

                        timesPanel.add(getJScrollPane4(), null);

                        timesPanel.setLayout(null);

                        timesPanel.setBounds(5, 17, 464, 374);

                        timesPanel.setBorder(javax.swing.BorderFactory.createTitledBorder(

                                        null, PluginServices.getText(this, "seleccionar_tiempo"),

                                        javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

                                        javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null));

                        timesPanel.add(getBtnAddTime(), null);

                        timesPanel.add(getBtnDelTime(), null);

                        timesPanel.add(getJScrollPane3(), null);

                        timesPanel.add(getJScrollPane4(), null);

//                        timesPanel = new JPanel();

//                        timesPanel.setLayout(null);

//                        //timesPanel.add(getJPanel(), null);

                }

                return timesPanel;

        }

        /**

         * This method initializes lstCRSs

         *

         * @return javax.swing.JList

         */

        public JList getLstCRSs() {

                if (lstCRSs == null) {

                        lstCRSs = new JList();

                        lstCRSs.setSelectionMode(javax.swing.ListSelectionModel.SINGLE_SELECTION);

                        lstCRSs.addListSelectionListener(new javax.swing.event.ListSelectionListener() {

                                public void valueChanged(javax.swing.event.ListSelectionEvent e) {

                                        listenerSupport.callStateChanged(isCorretlyConfigured());

                                }

                        });

                }

                return lstCRSs;

        }

        /**

         * This method initializes lstTemps

         *

         * @return javax.swing.JList

         */

        public JList getLstTimes() {

                if (lstTimes == null) {

                        lstTimes = new JList();

                }

                return lstTimes;

        }

        /**

         * This method initializes cmbParam

         *

         * @return javax.swing.JComboBox

         */

        public JComboBox getCmbParam() {

                if (cmbParam == null) {

                        cmbParam = new JComboBox();

                        cmbParam.setEditable(false);

                        cmbParam.setBounds(10, 26, 229, 24);

                        cmbParam.addItemListener(new java.awt.event.ItemListener() {

                                public void itemStateChanged(java.awt.event.ItemEvent e) {

                                        FMapWCSParameter p = (FMapWCSParameter) cmbParam.getSelectedItem();

                                        if (p!=null) {

                                                getSingleParamValuesList().setListData(p.getValueList().toArray());

                                        }

                                        fireWizardComplete(isCorretlyConfigured());

                                }

                        });

                }

                return cmbParam;

        }

        /**

         * This method initializes lstParamValues

         *

         * @return javax.swing.JList

         */

        public JDnDList getSingleParamValuesList() {

                if (lstParamValues == null) {

                        lstParamValues = new JDnDList();

                        lstParamValues.setModel(new JDnDListModel());

                        lstParamValues.setSelectionMode(javax.swing.ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);

                        lstParamValues.addListSelectionListener(new javax.swing.event.ListSelectionListener() {

                                public void valueChanged(javax.swing.event.ListSelectionEvent e) {

                                        System.out.println("list state changed");

                                        fireWizardComplete(isCorretlyConfigured());

                                }

                        });

                }

                return lstParamValues;

        }

        /**

         * Fires a notification to this wizard listeners telling them if the

         * configuration is fair enough to send a GetCoverage request.

         * @param b

         */

        private void fireWizardComplete(boolean b){

                listenerSupport.callStateChanged(b);

                callStateChanged(b);

        }

        /**

         * Refreshes the info shown in the info tab.

         */

        public void refreshInfo() {

                FMapWCSParameter p = (FMapWCSParameter) getCmbParam().getSelectedItem();

                String pString = (p!=null && getParameterString()!=null) ? p.toString()+"="+getParameterString().split("=")[1] : null;

                infoPanel.refresh(data,

                                (WCSLayer) getLstCoverages().getSelectedValue(),

                                getTime(),

                                getFormat(),

                                getSRS(),

                                pString);

        }

        /**

         * This method initializes btnDelTemps

         *

         * @return org.gvsig.gui.beans.swing.JButton

         */

        public JButton getBtnDelTime() {

                if (btnDelTime == null) {

                        btnDelTime = new JButton();

                        btnDelTime.setBounds(200, 127, 50, 20);

                        btnDelTime.setText("<");

                        btnDelTime.addActionListener(

                                new java.awt.event.ActionListener() {

                                        public void actionPerformed(java.awt.event.ActionEvent e) {

                                                delTime();

                                        }

                                });

                }

                return btnDelTime;

        }

        /**

         * This method initializes lstSelectedTimes

         *

         * @return javax.swing.JList

         */

        public JList getLstSelectedTimes() {

                if (lstSelectedTimes == null) {

                        lstSelectedTimes = new JList();

                        lstSelectedTimes.addListSelectionListener(new javax.swing.event.ListSelectionListener() {

                                public void valueChanged(javax.swing.event.ListSelectionEvent e) {

                                        listenerSupport.callStateChanged(isCorretlyConfigured());

                                }

                        });

                }

                return lstSelectedTimes;

        }

        /**

         * This method initializes lstFormats

         *

         * @return javax.swing.JList

         */

        public JList getLstFormats() {

                if (lstFormats == null) {

                        lstFormats = new JList();

                        lstFormats.setSelectionMode(javax.swing.ListSelectionModel.SINGLE_SELECTION);

                        lstFormats.addListSelectionListener(new javax.swing.event.ListSelectionListener() {

                                public void valueChanged(javax.swing.event.ListSelectionEvent e) {

                                        listenerSupport.callStateChanged(isCorretlyConfigured());

                                }

                        });

                }

                return lstFormats;

        }

        /**

         * This method initializes jPanel1

         *

         * @return javax.swing.JPanel

         */

        private JPanel getParameterPanel() {

                if (parameterPanel == null) {

                        parameterPanel = new JPanel();

                        parameterPanel.setLayout(null);

                        parameterPanel.setBounds(5, 17, 464, 374);

                        parameterPanel.setBorder(javax.swing.BorderFactory.createTitledBorder(

                                        null, PluginServices.getText(this, "seleccionar_parametros"),

                                        javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

                                        javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null));

                        parameterPanel.add(getCmbParam(), null);

                        parameterPanel.add(getJScrollPane5(), null);

                }

                return parameterPanel;

        }

        /**

         * This method initializes jPanel2

         *

         * @return javax.swing.JPanel

         */

        private JPanel getJPanel2() {

                if (jPanel2 == null) {

                        jPanel2 = new JPanel();

                        jPanel2.setLayout(null);

                        jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder(

                                        null, PluginServices.getText(this, "seleccionar_CRS"),

                                        javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

                                        javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null));

                        jPanel2.setBounds(0, 210, 499, 181);

                        jPanel2.add(getJScrollPane2(), null);

                }

                return jPanel2;

        }

        /**

         * This method initializes jPanel3

         *

         * @return javax.swing.JPanel

         */

        private JPanel getJPanel3() {

                if (jPanel3 == null) {

                        jPanel3 = new JPanel();

                        jPanel3.setLayout(null);

                        jPanel3.setBounds(0, 0, 499, 200);

                        jPanel3.setBorder(javax.swing.BorderFactory.createTitledBorder(

                                        null, PluginServices.getText(this, "seleccionar_formato"),

                                        javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

                                        javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null));

                        jPanel3.add(getJScrollPane1(), null);

                        jPanel3.add(getCmbInterpolationMethods(), null);

                        jPanel3.add(getChkUseInterpolationMethod(), null);

                }

                return jPanel3;

        }

        /**

         * This method initializes panelCovertures

         *

         * @return javax.swing.JPanel

         */

        private JPanel getPanelCovertures() {

                if (coveragePanel == null) {

                         coveragePanel = new JPanel();

                        coveragePanel.setLayout(null);

                        coveragePanel.add(getJPanel4(), null);

                        coveragePanel.add(getPnlName(), null);

                        coveragePanel.add(getChkExtendedNames(), null);

                }

                return coveragePanel;

        }

        /**

         * This method initializes jPanel4

         *

         * @return javax.swing.JPanel

         */

        private JPanel getJPanel4() {

                if (jPanel4 == null) {

                        jPanel4 = new JPanel();

                        jPanel4.setLayout(null);

                        jPanel4.setBounds(7, 56, 482, 305);

                        jPanel4.add(getJScrollPane(), null);

                        jPanel4.setBorder(javax.swing.BorderFactory.createTitledBorder(

                                        null, PluginServices.getText(this, "seleccionar_coberturas"),

                                        javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

                                        javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null));

                }

                return jPanel4;

        }

        /**

         * This method initializes jTextField

         *

         * @return javax.swing.JTextField

         */

        public JTextField getTxtName() {

                if (txtName == null) {

                         txtName = new JTextField();

                        txtName.setPreferredSize(new Dimension(469, 23));

                }

                return txtName;

        }

        /**

         * This method initializes chkExtendedNames

         *

         * @return javax.swing.JCheckBox

         */

        private JCheckBox getChkExtendedNames() {

                if (chkExtendedNames == null) {

                        chkExtendedNames = new JCheckBox();

                        chkExtendedNames.setText(PluginServices.getText(this, "show_layer_names"));

                        chkExtendedNames.addItemListener(new java.awt.event.ItemListener() {

                                public void itemStateChanged(java.awt.event.ItemEvent e) {

                                        boolean b = chkExtendedNames.isSelected();

                                        getLstCoverages().showLayerNames = b;

                                        getLstCoverages().repaint();

                                }

                        });

                        chkExtendedNames.addActionListener(new java.awt.event.ActionListener() {

                                public void actionPerformed(java.awt.event.ActionEvent e) {

                                        fPrefs.putBoolean("show_layer_names", chkExtendedNames.isSelected());

                                }

                        });

                        chkExtendedNames.setBounds(10, 368, 438, 20);

                        chkExtendedNames.setSelected(fPrefs.getBoolean("show_layer_names", false));

                }

                return chkExtendedNames;

        }

        /**

         * This method initializes jScrollPane

         *

         * @return javax.swing.JScrollPane

         */

        private JScrollPane getJScrollPane() {

                if (jScrollPane == null) {

                        jScrollPane = new JScrollPane();

                        jScrollPane.setBounds(7, 17, 467, 282);

                        jScrollPane.setViewportView(getLstCoverages());

                }

                return jScrollPane;

        }

        /**

         * This method initializes jButton2

         *

         * @return org.gvsig.gui.beans.swing.JButton

         */

        public JButton getBtnAddTime() {

                if (btnAddTime == null) {

                        btnAddTime = new JButton();

                        btnAddTime.setBounds(200, 151, 50, 20);

                        btnAddTime.setText(">");

                        btnAddTime.addActionListener(

                                new java.awt.event.ActionListener() {

                                        public void actionPerformed(java.awt.event.ActionEvent e) {

                                                addTime();

                                        }

                                });

                }

                return btnAddTime;

        }

        /**

         * This method initializes jList1

         *

         * @return javax.swing.JList

         */

        public LayerList getLstCoverages() {

                if (lstCoverages == null) {

                        lstCoverages = new LayerList();

                        lstCoverages.setSelectionMode(javax.swing.ListSelectionModel.SINGLE_SELECTION);

                        lstCoverages.addListSelectionListener(new javax.swing.event.ListSelectionListener() {

                                public void valueChanged(javax.swing.event.ListSelectionEvent e) {

                                        refreshData();

                                }

                        });

                }

                return lstCoverages;

        }

        /**

         * This method initializes jScrollPane2

         *

         * @return javax.swing.JScrollPane

         */

        private JScrollPane getJScrollPane2() {

                if (jScrollPane2 == null) {

                        jScrollPane2 = new JScrollPane();

                        jScrollPane2.setBounds(6, 19, 483, 155);

                        jScrollPane2.setViewportView(getLstCRSs());

                }

                return jScrollPane2;

        }

        /**

         * This method initializes jScrollPane3

         *

         * @return javax.swing.JScrollPane

         */

        private JScrollPane getJScrollPane3() {

                if (jScrollPane3 == null) {

                        jScrollPane3 = new JScrollPane();

                        jScrollPane3.setBounds(10, 30, 178, 334);

                        jScrollPane3.setViewportView(getLstTimes());

                }

                return jScrollPane3;

        }

        /**

         * This method initializes jScrollPane4

         *

         * @return javax.swing.JScrollPane

         */

        private JScrollPane getJScrollPane4() {

                if (jScrollPane4 == null) {

                        jScrollPane4 = new JScrollPane();

                        jScrollPane4.setBounds(304, 30, 178, 334);

                        jScrollPane4.setViewportView(getLstSelectedTimes());

                }

                return jScrollPane4;

        }

        /**

         * This method initializes jScrollPane5

         *

         * @return javax.swing.JScrollPane

         */

        public JScrollPane getJScrollPane5() {

                if (jScrollPane5 == null) {

                        jScrollPane5 = new JScrollPane();

                        jScrollPane5.setBounds(254, 26, 236, 357);

                        jScrollPane5.setViewportView(getSingleParamValuesList());

                }

                return jScrollPane5;

        }

        /**

         * This method initializes jScrollPane1

         *

         * @return javax.swing.JScrollPane

         */

        private JScrollPane getJScrollPane1() {

                if (jScrollPane1 == null) {

                        jScrollPane1 = new JScrollPane();

                        jScrollPane1.setBounds(6, 19, 257, 174);

                        jScrollPane1.setViewportView(getLstFormats());

                }

                return jScrollPane1;

        }

        /**

         * Verifies that the selected parameters are enough to request the coverage

         * to the server.

         *

         * Comprueba que los par?metros seleccionados son suficientes para pedir la

         * cobertura al servidor.

         *

         * @return boolean

         */

        public boolean isCorretlyConfigured() {

                if (getCurrentCoverageName()==null) return false;

                /*

                 * Seg?n el est?ndar WCS, si se especifica bounding box el par?metro TIME

                 * no es necesario. ?ste es el caso de gvSIG, que siempre especifica BBOX

                 * As? que, en teor?a, no deber?amos comprobar si se ha seleccionado algo

                 * o no. Pero en las pruebas, el servidor que us?bamos respond?a con una

                 * cobertura en blanco (negro) as? que se ha optado por evitar que se pueda

                 * consultar sin ninguna posici?n para el tiempo (siempre que la cobertura

                 * especifique posiciones para el tiempo).

                 *

                 * En cualquier caso con comentarizar la l?nea basta.

                 */

                if (timeRequired() && getTime()==null) return false;

                if (getCmbParam().getSelectedItem()!=null){

                        if (parameterType == SINGLE_VALUE && getParameterString()==null) return false;

                        if (parameterType == INTERVAL) {

                        }

                }

                if (getSRS()==null) return false;

                if (getFormat()==null) return false;

                return true;

        }

        /**

         * Extracts the parameter query string.

         * @return

         */

        public String getParameterString() {

                FMapWCSParameter p = (FMapWCSParameter) getCmbParam().getSelectedItem();

                if (p == null) return null;

                // TODO missing intervals!!!

                if (p.getType() == FMapWCSParameter.VALUE_LIST) {

                        Object[] v = getSingleParamValuesList().getSelectedValues();

                        if (p!=null && v.length>0) {

                                String s = p.getName() + "=" + (String) v[0];

                                for (int i = 1; i < v.length; i++) {

                                        s += ","+v[i];

                                }

                                System.out.println(s);

                                return s;

                        }

                }

                return null;

        }

        /**

         * True if the TIME parameter is required, else false.

         *

         * True si se requiere especificar una posici?n para el tiempo.

         * (jo crec que a?? no val per a res, per? per si de cas la tinc)

         *

         * @return

         */

        private boolean timeRequired(){

                return getLstTimes().getModel().getSize() > 0;

        }

        /**

         * Returns the time positions or null if none.

         * @return String

         */

        public String getTime(){

                String[] ss = new String[getLstSelectedTimes().getModel().getSize()];

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

                        ss[i] = (String) getLstSelectedTimes().getModel().getElementAt(i);

                }

                String s = null;

                if (ss.length > 0){

                        s = ss[0];

                        for (int i = 1; i < ss.length; i++) {

                                s += ","+ ss[i];

                        }

                }

                System.out.println(s);

                return s;

        }

        /**

         * Returns the selected CRS.

         *

         * Devuelve el CRS seleccionado.

         *

         * @return String

         */

        public String getSRS() {

                return (String) getLstCRSs().getSelectedValue();

        }

        /**

         * Returns the selected format.

         *

         * Devuelve el formato seleccionado.

         *

         * @return String

         */

        public String getFormat() {

                return (String) getLstFormats().getSelectedValue();

        }

        /**

         * Returns the name of the selected coverage.

         *

         * Devuelve el nombre de la cobertura seleccionada.

         *

         * @return String

         */

        public String getLayerName() {

                return getTxtName().getText();

        }

        /**

         * Cleans up the wizard's components but the server's layers list.

         *

         * Limpia todos los componentes del wizard excepto la lista de capas del

         * servidor.

         */

        public void cleanupWizard() {

                Object[] nada = new Object[0];

                getLstCRSs().clearSelection();

                getLstCRSs().setListData(nada);

                getLstFormats().clearSelection();

                getLstFormats().setListData(nada);

                getLstTimes().clearSelection();

                getLstTimes().setListData(nada);

                getLstSelectedTimes().clearSelection();

                getLstSelectedTimes().setListData(nada);

                getCmbParam().removeAllItems();

                getSingleParamValuesList().setVisible(true);

                getSingleParamValuesList().clearSelection();

                getSingleParamValuesList().setListData(nada);

        }

        /**

         * Returns the selected coverage name at the server. This is the value to use

         * in a GetCoverage request

         *

         * @return String

         */

        public String getCurrentCoverageName(){

                if (getLstCoverages().getSelectedValue()==null) return null;

                return ((WCSLayer) getLstCoverages().getSelectedValue()).getName();

        }

        /**

         * Refreshes the wizard components data each time a coverage is selected.

         *

         * Actualiza los datos de los componentes del wizard cada vez que se selecciona

         * una cobertura diferente.

         */

        public void refreshData(){

                String coverageName = getCurrentCoverageName();

                cleanupWizard();

                if (coverageName != null){

                        WCSLayer lyr = data.getLayer(coverageName);

                        getTxtName().setText(lyr.getTitle());

                        // CRS

                        getLstCRSs().clearSelection();

                        getLstCRSs().setListData(lyr.getSRSs().toArray());

                        // Formats

                        getLstFormats().clearSelection();

                        getLstFormats().setListData(lyr.getFormats().toArray());

                        // InterpolationMethods

                        boolean b = lyr.getInterpolationMethods() != null;

                        cmbInterpolationMethods.removeAllItems();

                        if (b) {

                                ArrayList im = lyr.getInterpolationMethods();

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

                                        cmbInterpolationMethods.addItem(im.get(i));

                        }

                        getChkUseInterpolationMethod().setEnabled(b);

                        getCmbInterpolationMethods().setEnabled(b);

                        // Time

                        getLstTimes().removeAll();

                        ArrayList list = lyr.getTimePositions();

                        b = !(list == null || list.isEmpty());

                        if (b)

                                getLstTimes().setListData(list.toArray());

                        jTabbedPane.setEnabledAt(indTime, b);

                        // Parameters

                        cmbParam.removeAllItems();

                        list = lyr.getParameterList();

                        b = !(list == null || list.isEmpty());

                        if (b) {

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

                                        cmbParam.addItem(list.get(i));

                                getSingleParamValuesList().setListData(

                                                ((FMapWCSParameter) cmbParam.getSelectedItem()).getValueList().toArray()

                                                );

                        }

                        jTabbedPane.setEnabledAt(indParameter, b);

                        fireWizardComplete(isCorretlyConfigured());