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.Component;

import java.awt.Dimension;

import java.awt.event.FocusAdapter;

import java.awt.event.FocusEvent;

import java.awt.event.FocusListener;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.awt.geom.Rectangle2D;

import java.net.MalformedURLException;

import java.net.URL;

import java.util.AbstractCollection;

import java.util.ArrayList;

import java.util.Hashtable;

import java.util.TreeSet;

import java.util.Vector;

import java.util.prefs.Preferences;

import javax.swing.ImageIcon;

import javax.swing.JCheckBox;

import javax.swing.JList;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JTabbedPane;

import javax.swing.JTextField;

import javax.swing.tree.TreePath;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

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

import org.gvsig.gui.beans.listeners.BeanListener;

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

import com.iver.andami.PluginServices;

import com.iver.andami.messages.NotificationManager;

import com.iver.cit.gvsig.fmap.crs.CRSFactory;

import com.iver.cit.gvsig.fmap.drivers.wms.FMapWMSDriver;

import com.iver.cit.gvsig.fmap.exceptions.CannotReprojectException;

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

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

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

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

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

import com.iver.cit.gvsig.fmap.layers.WMSLayerNode.FMapWMSStyle;

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

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

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

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

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

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

import com.iver.cit.gvsig.project.documents.view.gui.BaseView;

/**

 * This class implements the map 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 GetMap request.

 *

 * The information is obtained from a WMSWizardDataSource object.

 *

 *

 * Esta clase implementa el panel de opciones disponibles sobre el mapa

 *

 * 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 GetMap correctamente.

 *

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

 *

 * @author jaume - jaume dominguez faus

 *

 */

public class WMSParamsPanel extends WizardPanel {

        private JScrollPane jScrollPane1 = null;

        private JScrollPane jScrollPane2 = null;

        private JScrollPane jScrollPane5 = null;

        private JButton btnAdd = null;

        private JButton btnDel = null;

        private JScrollPane jScrollPane6 = null;

        private JPanel jPanel2 = null;

        private JPanel tabFormats = null;

        private JPanel jPanel4 = null;

        private JTextField jTxtNomCapa = null;

        private LayerList lstSelectedLayers = null;

        private ArrayList selectedPaths = new ArrayList();

        private JList lstSRSs = null;

        private LayerTree treeLayers = null;

        private JList lstFormats = null;

        private WizardListenerSupport listenerSupport;

        public WMSWizardData dataSource;

        private JTabbedPane jTabbedPane = null;

        private JPanel tabLayers = null;

        private JPanel jPanel1 = null;

        private JPanel jPanel5 = null;

        private StylesPanel tabStyle = null;

        private JCheckBox chkTransparency = null;

        private InfoPanel tabInfo = null;

        private DimensionPanel tabDimensions = null;

        private int dimensionTabIndex;

        private int stylesTabIndex;

        private String oldSRS = null;

        private AbstractCollection oldDimensions = null;

        private Dimension sizeFixed;

        private JCheckBox chkExtendedNames = null;

        private JButton btnUp = null;

        private JButton btnDown = null;

        public static Preferences fPrefs = Preferences.userRoot().node(

                        "gvsig.wms-wizard");

        private JCheckBox chkDisagregate = null;

        public WMSParamsPanel() {

                super();

                initialize();

        }

        // TODO: crear nuevo constructor para a?adir los panels que quieras...

        public WMSParamsPanel(WMSWizardData data) {

                super();

                setWizardData(data);

                this.setLayout(null);

                this.setVisible(false);

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

                if (jTabbedPane == null) {

                        jTabbedPane = new JTabbedPane();

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

                        StylesPanel sp = getTabStyle();

                        DimensionPanel dp = getTabDimensions();

                        jTabbedPane.addTab(PluginServices.getText(this, "capas"), null,

                                        getTabLayers(), null);

                        jTabbedPane.addTab(PluginServices.getText(this, "estilos"), null,

                                        sp, null);

                        stylesTabIndex = jTabbedPane.getTabCount() - 1;

                        jTabbedPane.addTab(PluginServices.getText(this, "dimensiones"),

                                        null, dp, null);

                        dimensionTabIndex = jTabbedPane.getTabCount() - 1;

                        jTabbedPane.addTab(PluginServices.getText(this, "formatos"), null,

                                        getTabFormats(), null);

                        jTabbedPane.setEnabledAt(dimensionTabIndex, false);

                        jTabbedPane.setEnabledAt(stylesTabIndex, false);

                }

                this.add(jTabbedPane, null);

                setListenerSupport(new WizardListenerSupport());

        }

        /**

         * This method initializes panelPage2

         *

         * @return Panel

         */

        private void initialize() {

                this.setLayout(null);

                this.setVisible(false);

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

                this.add(getJTabbedPane(), null);

        }

        /**

         * This method initializes jPanel2

         *

         * @return Panel

         */

        private JPanel getJPanel2() {

                if (jPanel2 == null) {

                        jPanel2 = new JPanel();

                        jPanel2.setLayout(null);

                        jPanel2.setBounds(5, 59, 485, 328);

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

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

                                        javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

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

                                        null));

                        jPanel2.add(getChkExtendedNames(), null);

                        jPanel2.add(getJScrollPane1(), null);

                        jPanel2.add(getBtnDel(), null);

                        jPanel2.add(getBtnAdd(), null);

                        jPanel2.add(getJScrollPane5(), null);

                        jPanel2.add(getBtnUp(), null);

                        jPanel2.add(getBtnDown(), null);

                        jPanel2.add(getChkDisagregate(), null);

                }

                return jPanel2;

        }

        /**

         * This method initializes jPanel4

         *

         * @return Panel

         */

        private JPanel getJPanel4() {

                if (jPanel4 == null) {

                        jPanel4 = new JPanel();

                        jPanel4.setLayout(null);

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

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

                                        javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

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

                                        null));

                        jPanel4.setBounds(5, 8, 485, 49);

                        jPanel4.add(getJTxtNomCapa(), null);

                }

                return jPanel4;

        }

        /**

         * This method initializes jPanel3

         *

         * @return Panel

         */

        private JPanel getTabFormats() {

                if (tabFormats == null) {

                        tabFormats = new JPanel();

                        tabFormats.setLayout(null);

                        tabFormats.add(getJPanel1(), null);

                        tabFormats.add(getJPanel5(), null);

                }

                return tabFormats;

        }

        /**

         * This method initializes jScrollPane1

         *

         * @return ScrollPane

         */

        private JScrollPane getJScrollPane1() {

                if (jScrollPane1 == null) {

                        jScrollPane1 = new JScrollPane();

                        jScrollPane1.setBounds(11, 22, 460, 123);

                        jScrollPane1.setViewportView(getTreeLayers());

                        jScrollPane1.setPreferredSize(new java.awt.Dimension(205, 75));

                }

                return jScrollPane1;

        }

        /**

         * This method initializes btnDel

         *

         * @return Button

         */

        private JButton getBtnDel() {

                if (btnDel == null) {

                        btnDel = new JButton();

                        // btnDel.setPreferredSize(new java.awt.Dimension(23, 23));

                        btnDel.setText(PluginServices.getText(this, "remove"));

                        btnDel.setMargin(new java.awt.Insets(2, 0, 2, 0));

                        btnDel.setBounds(339, 300, 101, 20);

                        btnDel.setEnabled(false);

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

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

                                        delLayer();

                                }

                        });

                }

                return btnDel;

        }

        /**

         * This method initializes btnAdd

         *

         * @return Button

         */

        private JButton getBtnAdd() {

                if (btnAdd == null) {

                        btnAdd = new JButton();

                        // btnAdd.setPreferredSize(new java.awt.Dimension(23, 23));

                        btnAdd.setText(PluginServices.getText(this, "add"));

                        btnAdd.setMargin(new java.awt.Insets(2, 0, 2, 0));

                        btnAdd.setBounds(236, 300, 101, 20);

                        btnAdd.setEnabled(false);

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

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

                                        addLayer();

                                }

                        });

                }

                return btnAdd;

        }

        /**

         * This method initializes jScrollPane5

         *

         * @return ScrollPane

         */

        private JScrollPane getJScrollPane5() {

                if (jScrollPane5 == null) {

                        jScrollPane5 = new JScrollPane();

                        jScrollPane5.setBounds(11, 155, 422, 120);

                        jScrollPane5.setViewportView(getLstSelectedLayers());

                        jScrollPane5.setPreferredSize(new java.awt.Dimension(205, 75));

                }

                return jScrollPane5;

        }

        /**

         * This method initializes jTextField

         *

         * @return TextField

         */

        private JTextField getJTxtNomCapa() {

                if (jTxtNomCapa == null) {

                        jTxtNomCapa = new JTextField();

                        jTxtNomCapa.setBounds(10, 19, 460, 20);

                        jTxtNomCapa.setText(PluginServices.getText(this, "WMSLayer"));

                        jTxtNomCapa.addKeyListener(new java.awt.event.KeyAdapter() {

                                public void keyTyped(java.awt.event.KeyEvent e) {

                                        fireWizardComplete(isCorrectlyConfigured());

                                }

                        });

                }

                return jTxtNomCapa;

        }

        /**

         * This method initializes jScrollPane6

         *

         * @return ScrollPane

         */

        private JScrollPane getJScrollPane6() {

                if (jScrollPane6 == null) {

                        jScrollPane6 = new JScrollPane();

                        jScrollPane6.setBounds(5, 23, 470, 140);

                        jScrollPane6.setViewportView(getLstFormats());

                        jScrollPane6.setPreferredSize(new java.awt.Dimension(250, 200));

                }

                return jScrollPane6;

        }

        /**

         * This method initializes jScrollPane2

         *

         * @return ScrollPane

         */

        private JScrollPane getJScrollPane2() {

                if (jScrollPane2 == null) {

                        jScrollPane2 = new JScrollPane();

                        jScrollPane2.setBounds(5, 23, 470, 140);

                        jScrollPane2.setViewportView(getLstSRSs());

                        jScrollPane2.setPreferredSize(new java.awt.Dimension(100, 200));

                }

                return jScrollPane2;

        }

        /**

         * Gets the available layers in WMS maintaining the tree structure

         *

         * @return

         */

        public LayerTree getLayerStructure() {

                return treeLayers;

        }

        /**

         * This method initializes treeLayers

         *

         * @return Tree

         */

        private LayerTree getTreeLayers() {

                if (treeLayers == null) {

                        treeLayers = new LayerTree();

                        treeLayers.setRootVisible(true);

                        treeLayers.addMouseListener(new java.awt.event.MouseAdapter() {

                                public void mouseClicked(java.awt.event.MouseEvent e) {

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

                                                addLayer();

                                        }

                                }

                        });

                        treeLayers

                                        .addTreeSelectionListener(new javax.swing.event.TreeSelectionListener() {

                                                public void valueChanged(

                                                                javax.swing.event.TreeSelectionEvent e) {

                                                        boolean isGetMapable = false; // pffff, jajaja

                                                        TreePath[] selecciones = getTreeLayers()

                                                                        .getSelectionPaths();

                                                        if (selecciones != null) // no entenc perqu?

                                                                                                                // peta ac? i li

                                                                                                                // arriba null a

                                                                                                                // voltes...

                                                        {

                                                                for (int i = 0; i < selecciones.length

                                                                                && !isGetMapable; i++) {

                                                                        WMSLayerNode layer = ((WMSLayerNode) selecciones[i]

                                                                                        .getLastPathComponent());

                                                                        isGetMapable = layer.getChildren().size() == 0

                                                                                        || layer.getName() != null;

                                                                }

                                                        }

                                                        getBtnAdd().setEnabled(isGetMapable);

                                                        fireWizardComplete(isCorrectlyConfigured());

                                                }

                                        });

                }

                return treeLayers;

        }

        /**

         * This method checks for the options selected within the configuration

         * dialog are correct and enough to perform a GetMap request.

         *

         * @return true if you're done, false if not.

         */

        public boolean isCorrectlyConfigured() {

                boolean b;

                this.repaint();

                if ((getLstSRSs().getSelectedIndex() != -1)

                                && (getLstFormats().getSelectedIndex() != -1)

                                && (getLstSelectedLayers().getModel().getSize() > 0)) {

                        b = true;

                } else {

                        b = false;

                }

                // Enable or disable del button.

                int[] selectedIndices = getLstSelectedLayers().getSelectedIndices();

                getBtnDel().setEnabled(

                                selectedIndices != null && selectedIndices.length > 0);

                return b;

        }

        public WMSLayerNode[] selectedLayersToArray() {

                JDnDListModel modelo = ((JDnDListModel) lstSelectedLayers.getModel());

                ArrayList elements = modelo.getElements();

                WMSLayerNode[] layers = (WMSLayerNode[]) elements

                                .toArray(new WMSLayerNode[0]);

                return layers;

        }

        /**

         * DOCUMENT ME!

         */

        private void delLayer() {

                int[] indices = lstSelectedLayers.getSelectedIndices();

                try {

                        ArrayList removeList = new ArrayList();

                        WMSLayerNode[] infos = selectedLayersToArray();

                        JDnDListModel modelo = ((JDnDListModel) lstSelectedLayers

                                        .getModel());

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

                                removeList.add(infos[indices[i]]);

                        }

                        modelo.delIndices(indices);

                        lstSelectedLayers.clearSelection();

                        fireWizardComplete(isCorrectlyConfigured());

                        // delete from selectedPaths as well

                        WMSLayerNode elemento = null;

                        WMSLayerNode last = null;

                        TreePath path = null;

                        for (int i = removeList.size() - 1; i >= 0; i--) {

                                elemento = (WMSLayerNode) removeList.get(i);

                                for (int j = 0; j < selectedPaths.size(); j++) {

                                        path = (TreePath) selectedPaths.get(j);

                                        last = (WMSLayerNode) path.getLastPathComponent();

                                        if (last.getTitle().compareTo(elemento.getTitle()) == 0) {

                                                selectedPaths.remove(path);

                                        }

                                }

                        }

                        refreshData();

                        refreshInfo();

                } catch (ArrayIndexOutOfBoundsException ex) {

                        // if you reach this, please, tell me how you did it.

                        ex.printStackTrace();

                }

        }

        /**

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

         * configuration is fair enough to send a GetMap request.

         *

         * @param b

         */

        private void fireWizardComplete(boolean b) {

                listenerSupport.callStateChanged(b);

                callStateChanged(b);

        }

        /**

         * Refreshes the content shown by this.

         */

        public void refreshData() {

                refreshSRS();

                getLstSelectedLayers().repaint();

                refreshStyleTree();

                refreshDimensions();

        }

        /**

         * Refreshes the info tab

         *

         */

        public void refreshInfo() {

                getTabInfo().refresh(dataSource, selectedLayersVector(),

                                getStyleTitles(), getFormat(), getSRS(), getDimensions());

        }

        private void refreshDimensions() {

                int size = getLstSelectedLayers().getModel().getSize();

                boolean enable = false;

                for (int i = 0; i < size; i++) {

                        WMSLayerNode node = (WMSLayerNode) getLstSelectedLayers()

                                        .getModel().getElementAt(i);

                        if (node.getDimensions() == null)

                                continue;

                        for (int j = 0; j < node.getDimensions().size(); j++) {

                                IFMapWMSDimension dim = (IFMapWMSDimension) node

                                                .getDimensions().get(j);

                                try {

                                        getTabDimensions().addDimension(dim);

                                        enable = true;

                                } catch (IllegalArgumentException e) {

                                        NotificationManager.addWarning(

                                                        "Unrecognized dimension expression: "

                                                                        + dim.getExpression() + " (for "

                                                                        + dim.getName() + " in layer '"

                                                                        + node.getName() + "')", null);

                                }

                        }

                }

                jTabbedPane.setEnabledAt(dimensionTabIndex, enable);

        }

        /**

         *

         */

        private void refreshStyleTree() {

                int size = getLstSelectedLayers().getModel().getSize();

                WMSLayerNode styleRoot = new WMSLayerNode();

                styleRoot.setTitle(PluginServices.getText(this, "selected_layers"));

                StyleTreeModel model = new StyleTreeModel(styleRoot);

                jTabbedPane.setEnabledAt(stylesTabIndex, false);

                for (int i = 0; i < size; i++) {

                        WMSLayerNode node = (WMSLayerNode) getLstSelectedLayers()

                                        .getModel().getElementAt(i);

                        // If any of the layers defines styles, the tab will be enabled.

                        if (model.addLayerBranch(node)) {

                                jTabbedPane.setEnabledAt(stylesTabIndex, true);

                        }

                }

                getStyleTree().setModel(model);

                getStyleTree().expandAll();

                getStyleTree().repaint();

        }

        /**

         * Takes the array of selected layers and a vector containing the style

         * names and set them as selected in the styles panel

         *

         * @param selectedLayers

         * @param styles

         */

        public void setStyleSelections(Vector styles) {

                WMSLayerNode[] layers = selectedLayersToArray();

                int length = layers.length;

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

                        String styleName = (String) styles.get(i);

                        layers[length - i - 1].setSelectedStyleByName(styleName);

                }

        }

        /**

         * Gets the currently shown style tree.

         *

         * @return

         */

        private StyleTree getStyleTree() {

                return getTabStyle().getStyleTree();

        }

        /**

         * Method called when pressing the Add layer button or when double-clicking

         * on a layer from the server's layer tree.

         */

        public void addLayer() {

                boolean alguno = false;

                TreePath[] selecciones = getTreeLayers().getSelectionPaths();

                if (selecciones == null)

                        return;

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

                        selectedPaths.add(selecciones[i]);

                        WMSLayerNode nodo = (WMSLayerNode) selecciones[i]

                                        .getLastPathComponent();

                        if (nodo.getName() == null || nodo.getName().equals(""))

                                // no es un node que es puga demanar

                                continue;

                        if (nodo.isSizeFixed()) {

                                if (sizeFixed == null)

                                        sizeFixed = nodo.getFixedSize();

                                else if ((sizeFixed.getHeight() != nodo.getFixedSize()

                                                .getHeight())

                                                || (sizeFixed.getWidth() != nodo.getFixedSize()

                                                                .getWidth())) {

                                        JOptionPane.showMessageDialog((Component) PluginServices

                                                        .getMainFrame(), PluginServices.getText(this,

                                                        "server_cant_render_layers"));

                                        continue;

                                }

                        }

                        // s'afegeix a la llista de capes seleccionades

                        JDnDListModel modelo = (JDnDListModel) lstSelectedLayers.getModel();

                        if (modelo.addElement(0, nodo.clone())) {

                                alguno = true;

                        }

                }

                if (alguno) {

                        refreshData();

                }

                refreshInfo();

        }

        /**

         * This method initializes lstSelectedLayers

         *

         * @return List

         */

        public LayerList getLstSelectedLayers() {

                if (lstSelectedLayers == null) {

                        lstSelectedLayers = new LayerList();

                        lstSelectedLayers.setModel(new JDnDListModel());

                        lstSelectedLayers

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

                        lstSelectedLayers

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

                                                public void valueChanged(

                                                                javax.swing.event.ListSelectionEvent e) {

                                                        fireWizardComplete(isCorrectlyConfigured());

                                                }

                                        });

                        lstSelectedLayers.addMouseListener(new MouseAdapter() {

                                public void mouseReleased(MouseEvent e) {

                                        refreshData();

                                }

                        });

                }

                return lstSelectedLayers;

        }

        /**

         * This method initializes lstSRSs

         *

         * @return JList

         */

        public JList getLstSRSs() {

                if (lstSRSs == null) {

                        lstSRSs = new JList();

                        lstSRSs.setModel(new SRSListModel());

                        lstSRSs

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

                        lstSRSs

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

                                                public void valueChanged(

                                                                javax.swing.event.ListSelectionEvent e) {

                                                        int i = lstSRSs.getSelectedIndex();

                                                        if (i != -1)

                                                                oldSRS = (String) lstSRSs.getModel()

                                                                                .getElementAt(i);

                                                        fireWizardComplete(isCorrectlyConfigured());

                                                }

                                        });

                }

                return lstSRSs;

        }

        /**

         * This method initializes lstFormats

         *

         * @return List

         */

        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) {

                                                        fireWizardComplete(isCorrectlyConfigured());

                                                }

                                        });

                }

                return lstFormats;

        }

        /**

         * Refreshes the SRS list

         */

        private void refreshSRS() {

                ArrayList elements = ((JDnDListModel) lstSelectedLayers.getModel())

                                .getElements();

                WMSLayerNode[] layers = (WMSLayerNode[]) elements

                                .toArray(new WMSLayerNode[0]);

                SRSListModel model = new SRSListModel();

                if (layers.length == 0) {

                        lstSRSs.setModel(model);// new DefaultListModel());

                        sizeFixed = null;

                } else {

                        TreeSet srsSet = new TreeSet();

                        srsSet.addAll(layers[0].getAllSrs());

                        model.setAll(srsSet);

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

                                model.setAll(model.intersect(layers[i].getAllSrs()));

                        }

                        lstSRSs.setModel(model);

                }

                int srsIndex = getSRSIndex(oldSRS);

                if (srsIndex != -1)

                        getLstSRSs().setSelectedIndex(srsIndex);

        }

        public void setListenerSupport(WizardListenerSupport support) {

                listenerSupport = support;

        }

        public void setWizardData(WMSWizardData data) {

                this.dataSource = data;

                ((JDnDListModel) getLstSelectedLayers().getModel()).clear();

                getLstSelectedLayers().repaint();

                getLstFormats().setModel(

                                new FormatListModel(this.dataSource.getFormats()));

                getTreeLayers()

                                .setModel(new LayerTreeModel(this.dataSource.getLayer()));

                refreshInfo();

        }

        private Vector getStyleTitles() {

                return getTabStyle().getStyleTree().getStyleSelectionTitles();

        }

        /**

         * @return

         */

        private Vector selectedLayersVector() {

                JDnDListModel mod = (JDnDListModel) getLstSelectedLayers().getModel();

                Vector lyrs = new Vector();

                for (int i = 0; i < mod.getSize(); i++) {

                        lyrs.add(mod.getElementAt(i));

                }

                return lyrs;

        }

        public String getFormat() {

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

        }

        public String getLayersQuery() {

                ArrayList elements = ((JDnDListModel) getLstSelectedLayers().getModel())

                                .getElements();

                WMSLayerNode[] layers = (WMSLayerNode[]) elements

                                .toArray(new WMSLayerNode[0]);

                // Nombre separado por comas de las capas

                String layersQuery = layers[layers.length - 1].getName();

                for (int i = layers.length - 2; i >= 0; i--) {

                        layersQuery += ("," + layers[i].getName());

                }

                return layersQuery;

        }

        /**

         * Returns the current selected SRS.

         *

         * @return

         */

        public String getSRS() {

                return (String) getLstSRSs().getSelectedValue();

        }

        /**

         * Returns the name of the layer that the user has typed-in

         *

         * @return

         */

        public String getLayerName() {

                return getJTxtNomCapa().getText();

        }

        public void setLayerName(String name) {

                getJTxtNomCapa().setText(name);

        }

        public Rectangle2D getLayersRectangle() throws CannotReprojectException {

                ArrayList elements = ((JDnDListModel) getLstSelectedLayers().getModel())

                                .getElements();

                WMSLayerNode[] layers = (WMSLayerNode[]) elements

                                .toArray(new WMSLayerNode[0]);

                String[] layerNames = new String[layers.length];

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

                        layerNames[i] = layers[i].getName();

                }

                // Boundingbox de todas las capas

                // ArrayList rectangulos = new ArrayList();

                Rectangle2D rect;

                String latLonID;

                rect = dataSource.getBoundingBox(layerNames, getSRS());

                if (rect == null) {

                        latLonID = "EPSG:4326";

                        rect = dataSource.getBoundingBox(layerNames, latLonID);

                        if (rect == null) {

                                rect = dataSource.getBoundingBox(layerNames, "CRS:84");

                        }

                        IProjection reqProj = CRSFactory.getCRS(getSRS());

                        IProjection latLonProj = CRSFactory.getCRS(latLonID);

                        if ((reqProj != null) && (latLonProj != null)) {

                                ICoordTrans ct = latLonProj.getCT(reqProj);

                                Rectangle2D reprojectedRect;

                                reprojectedRect = ct.convert(rect);

                                rect = reprojectedRect;

                        } else {

                                throw new CannotReprojectException(PluginServices.getText(this,

                                                "cannotReproject")

                                                + " " + getSRS() + " -> " + latLonID);

                        }

                }

                return rect;

        }

        public TreePath[] getSelectedLayers() {

                return getTreeLayers().getSelectionPaths();

        }

        public Hashtable getOnlineResources() {

                return dataSource.getOnlineResources();

        }

        /**

         * The piece of the GetMap request that has the layer names.

         *

         * @return

         */

        public String getQueryableLayerQuery() {

                ArrayList elements = ((JDnDListModel) getLstSelectedLayers().getModel())

                                .getElements();

                WMSLayerNode[] layers = (WMSLayerNode[]) elements

                                .toArray(new WMSLayerNode[0]);

                // Nombre separado por comas de las capas

                String layersQuery = "";

                int i;

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

                        if (layers[i].isQueryable()) {

                                layersQuery = layers[i].getName();

                                break;

                        }

                }

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

                        if (layers[j].isQueryable()) {

                                layersQuery += ("," + layers[j].getName());

                        }

                }

                return layersQuery;

        }

        /**

         * Returns the index of the CRS within the CRS list.

         *

         * Devuelve la posicion que ocupa el CRS en la lista de CRS

         *

         * @param crs

         * @return The CRS's index if it exists, -1 if it not exists.

         */

        public int getSRSIndex(String crs) {

                for (int i = 0; i < getLstSRSs().getModel().getSize(); i++) {

                        if (crs != null

                                        && crs.equals(getLstSRSs().getModel().getElementAt(i)))

                                return i;

                }

                return -1;

        }

        /**

         * Returns the index of the format within the formats list.

         *

         * Devuelve la posicion que ocupa el formato en la lista de formatos

         *

         * @param format

         *

         * @return The format's index if it exists, -1 if it not exists.

         */

        public int getFormatIndex(String format) {

                for (int i = 0; i < getLstFormats().getModel().getSize(); i++) {

                        if (format != null

                                        && format

                                                        .equals(getLstFormats().getModel().getElementAt(i)))

                                return i;

                }

                return -1;

        }

        /**

         * This method initializes jTabbedPane

         *

         * @return TabbedPane

         */

        public JTabbedPane getJTabbedPane() {

                if (jTabbedPane == null) {

                        jTabbedPane = new JTabbedPane();

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

                        InfoPanel ip = getTabInfo();

                        ip.addFocusListener(new FocusListener() {

                                public void focusGained(FocusEvent e) {

                                        refreshInfo();

                                }

                                public void focusLost(FocusEvent e) {

                                }

                        });

                        StylesPanel sp = getTabStyle();

                        DimensionPanel dp = getTabDimensions();

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

                                        null);

                        jTabbedPane.addTab(PluginServices.getText(this, "capas"), null,

                                        getTabLayers(), null);

                        jTabbedPane.addTab(PluginServices.getText(this, "estilos"), null,

                                        sp, null);

                        stylesTabIndex = jTabbedPane.getTabCount() - 1;

                        jTabbedPane.addTab(PluginServices.getText(this, "dimensiones"),

                                        null, dp, null);

                        dimensionTabIndex = jTabbedPane.getTabCount() - 1;

                        jTabbedPane.addTab(PluginServices.getText(this, "formatos"), null,

                                        getTabFormats(), null);

                        jTabbedPane.setEnabledAt(dimensionTabIndex, false);

                        jTabbedPane.setEnabledAt(stylesTabIndex, false);

                }

                return jTabbedPane;

        }

        /**

         * This method initializes jPanel

         *

         * @return Panel

         */

        private JPanel getTabLayers() {

                if (tabLayers == null) {

                        tabLayers = new JPanel();

                        tabLayers.setLayout(null);

                        tabLayers.add(getJPanel4(), null);

                        tabLayers.add(getJPanel2(), null);

                }

                return tabLayers;

        }

        /**

         * This method initializes jPanel1

         *

         * @return Panel

         */

        private JPanel getJPanel1() {

                if (jPanel1 == null) {

                        jPanel1 = new JPanel();

                        jPanel1.setLayout(null);

                        jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder(

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

                                        javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

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

                                        null));

                        jPanel1.setBounds(5, 10, 485, 194);

                        jPanel1.add(getJScrollPane6(), null);

                        jPanel1.add(getChkTransparency(), null);

                }

                return jPanel1;

        }

        /**

         * This method initializes jPanel5

         *

         * @return Panel

         */

        private JPanel getJPanel5() {

                if (jPanel5 == null) {

                        jPanel5 = new JPanel();

                        jPanel5.setLayout(null);

                        jPanel5.setBorder(javax.swing.BorderFactory.createTitledBorder(

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

                                        javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

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

                                        null));

                        jPanel5.setBounds(5, 205, 485, 173);

                        jPanel5.add(getJScrollPane2(), null);

                }

                return jPanel5;

        }

        /**

         * This method initializes jPanel6

         *

         * @return Panel

         */

        private StylesPanel getTabStyle() {

                if (tabStyle == null) {

                        tabStyle = new StylesPanel(this);

                        tabStyle.setEnabled(false);

                        tabStyle.addListener(new BeanListener() {

                                public void beanValueChanged(Object value) {

                                        fireWizardComplete(isCorrectlyConfigured());

                                };

                        });

                        tabStyle.addFocusListener(new FocusAdapter() {

                                public void focusGained(FocusEvent e) {

                                        refreshStyleTree();

                                }

                        });

                }

                return tabStyle;

        }

        /**

         * 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(nextEnabledPage());

                }

        }

        /**

         * 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 index of the current tab.

         *

         * Devuelve el ?ndice de la p?gina actual del wizard.

         *

         * @return

         */

        public int currentPage() {

                return getJTabbedPane().getSelectedIndex();

        }

        /**

         * Returns the tab amount that the WMSParamsPanel currently have

         *

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

         *

         * @return int

         */

        public int getNumTabs() {

                return getJTabbedPane().getTabCount();

        }

        /**

         * <p>

         * Returns the index of the previous enabled tab.

         * </p>

         * <p>

         * Devuelve el ?ndice de la anterior p?gina habilitada del wizard o -1

         * si no hay ninguna.

         * </p>

         *

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

         */

        public int previousEnabledPage() {

                int currentPage = currentPage();

                int j = 0;

                if (currentPage == 0)

                        j = -1;

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

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

                                j = i;

                                break;

                        }

                }

                return j;

        }

        /**

         * <p>

         * Returns the previous of the previous enabled tab.

         * </p>

         * <p>

         * Devuelve el ?ndice de la siguiente p?gina habilitada del wizard o -1

         * si no hay ninguna.

         * </p>

         *

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

         */

        public int nextEnabledPage() {

                int currentPage = currentPage();

                int nPages = getNumTabs();

                if (currentPage == nPages)

                        return -1;

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

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

                                return i;

                        }

                }

                return -1;

        }

        /**

         * Selects/deselects the transparency checkbox.

         *

         * @param b

         */

        public void setTransparent(boolean b) {

                getChkTransparency().setSelected(b);

        }

        /**

         * This method initializes chkTrasparency

         *

         * @return CheckBox

         */

        private JCheckBox getChkTransparency() {

                if (chkTransparency == null) {

                        chkTransparency = new JCheckBox();

                        chkTransparency.setText(PluginServices.getText(this,

                                        "wms_transparency"));

                        chkTransparency.setSelected(true);

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

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

                                        fireWizardComplete(isCorrectlyConfigured());

                                }

                        });

                        chkTransparency.setBounds(5, 168, 441, 21);

                }

                return chkTransparency;

        }

        /**

         * Returns a vector of strings containing the styles selected for the

         * layers. A blank style is correct and means that default style will be

         * used.

         *

         * @return Vector

         */

        public Vector getStyles() {

                Vector v = new Vector();

                WMSLayerNode[] layers = selectedLayersToArray();

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

                        FMapWMSStyle sty = layers[i].getSelectedStyle();

                        String s = (sty != null) ? sty.name : "";

                        v.add(s);

                }

                return v;

        }

        public Vector getLayerStyle(String layerName) {

                Vector v = new Vector();

                WMSLayerNode[] layers = selectedLayersToArray();

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

                        if (layers[i].getName().equalsIgnoreCase(layerName)) {

                                FMapWMSStyle sty = layers[i].getSelectedStyle();

                                String s = (sty != null) ? sty.name : "";

                                v.add(s);

                                return v;

                        }

                }

                return v;

        }

        /**

         * This method initializes tabInfo

         *

         * @return Panel

         */

        private InfoPanel getTabInfo() {

                if (tabInfo == null) {

                        tabInfo = new InfoPanel();

                }

                return tabInfo;

        }

        public void setDimensions(Vector dimensions) {

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

                        String st = (String) dimensions.get(i);

                        if (st.split("=").length == 2) {

                                String[] s = st.split("=");

                                getTabDimensions().setDimensionValue(s[0], s[1]);

                        }

                }

        }

        /**

         * This method initializes tabDimension

         *

         * @return Panel

         */

        private DimensionPanel getTabDimensions() {

                if (tabDimensions == null) {