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.geom.Rectangle2D;

import java.util.ArrayList;

import java.util.ConcurrentModificationException;

import java.util.HashSet;

import java.util.Iterator;

import java.util.TreeSet;

import java.util.Vector;

import javax.swing.DefaultListModel;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JCheckBox;

import javax.swing.JComboBox;

import javax.swing.JList;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JTabbedPane;

import javax.swing.JTable;

import javax.swing.JTextField;

import javax.swing.table.DefaultTableModel;

import javax.swing.tree.TreePath;

import com.iver.andami.PluginServices;

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.beans.controls.dnd.JDnDList;

import com.iver.cit.gvsig.gui.beans.controls.dnd.JDnDListModel;

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.StylesTableModel;

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

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

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

/**

 * 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 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 GetMap correctamente.

 * 

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

 * 

 * @author jaume - jaume dominguez faus

 *

 */

public class WMSParamsPanel extends JPanel {

        private javax.swing.JScrollPane jScrollPane1 = null;

        private javax.swing.JScrollPane jScrollPane2 = null;

        private javax.swing.JScrollPane jScrollPane5 = null;

        private javax.swing.JButton btnAdd = null;

        private javax.swing.JButton btnDel = null;

        private javax.swing.JScrollPane jScrollPane6 = null;

        private javax.swing.JPanel jPanel2 = null;

        private javax.swing.JPanel tabFormats = null;

        private JPanel jPanel4 = null;

        private JTextField jTxtNomCapa = null;

        private JDnDList lstSelectedLayers = null;

        private javax.swing.JList lstSRSs = null;

        private javax.swing.JTree treeLayers = null;

        private javax.swing.JList lstFormats = null;

        private JDnDListModel selectedLayersModel = new JDnDListModel();

        private WizardListenerSupport listenerSupport;

        private WMSWizardData dataSource;

        private JTabbedPane jTabbedPane = null;

        private JPanel tabLayers = null;

        private JPanel jPanel1 = null;

        private JPanel jPanel5 = null;

        private StylesPanel tabStyle = null;

        private JPanel jPanel8 = null;

        private StylesSelectionPanel styleSelectPanel;

        private JPanel tabStyleSelect;

        private JCheckBox chkTransparency = null;

    private JPanel tabStyles = null;

    private JScrollPane jScrollPane = null;

    private JTable tblStyles = null;

    private InfoPanel tabInfo = null;

    private DimensionPanel tabDimensions = null;

    private int dimensionTabIndex;

    private int stylesTabIndex;

    public WMSParamsPanel(){

                super();

                initialize();

        }

        /**

         * This method initializes panelPage2

         *

         * @return javax.swing.JPanel

         */

        private void initialize() {

                this.setLayout(null);

                this.setVisible(false);

                this.setBounds(10, 5, 481, 427);

                this.add(getJTabbedPane(), null);

        }

        /**

         * This method initializes jPanel2

         *

         * @return javax.swing.JPanel

         */

        private javax.swing.JPanel getJPanel2() {

                if (jPanel2 == null) {

                        jPanel2 = new javax.swing.JPanel();

                        jPanel2.setLayout(null);

                        jPanel2.setBounds(4, 59, 454, 328);

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

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

                                        javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

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

                        jPanel2.add(getJScrollPane1(), null);

                        jPanel2.add(getBtnDel(), null);

                        jPanel2.add(getBtnAdd(), null);

                        jPanel2.add(getJScrollPane5(), null);

                }

                return jPanel2;

        }

        /**

         * This method initializes jPanel4

         *

         * @return javax.swing.JPanel

         */

        private JPanel getJPanel4() {

                if (jPanel4 == null) {

                        jPanel4 = new JPanel();

                        jPanel4.setLayout(null);

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

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

                                        javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

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

                        jPanel4.setBounds(4, 8, 457, 49);

                        jPanel4.add(getJTxtNomCapa(), null);

                }

                return jPanel4;

        }

        /**

         * This method initializes jPanel3

         *

         * @return javax.swing.JPanel

         */

        private javax.swing.JPanel getTabFormats() {

                if (tabFormats == null) {

                        tabFormats = new javax.swing.JPanel();

                        tabFormats.setLayout(null);

                        //tabFormats.

                        tabFormats.add(getJPanel1(), null);

                        tabFormats.add(getJPanel5(), null);

                }

                return tabFormats;

        }

        /**

         * This method initializes jScrollPane1

         *

         * @return javax.swing.JScrollPane

         */

        private javax.swing.JScrollPane getJScrollPane1() {

                if (jScrollPane1 == null) {

                        jScrollPane1 = new javax.swing.JScrollPane();

                        jScrollPane1.setBounds(11, 22, 430, 124);

                        jScrollPane1.setViewportView(getTreeLayers());

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

                }

                return jScrollPane1;

        }

        /**

         * This method initializes btnDel

         *

         * @return javax.swing.JButton

         */

        public javax.swing.JButton getBtnDel() {

                if (btnDel == null) {

                        btnDel = new javax.swing.JButton();

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

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

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

                        btnDel.setBounds(246, 158, 101, 23);

                        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 javax.swing.JButton

         */

        public javax.swing.JButton getBtnAdd() {

                if (btnAdd == null) {

                        btnAdd = new javax.swing.JButton();

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

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

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

                        btnAdd.setBounds(133, 158, 101, 23);

                        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 javax.swing.JScrollPane

         */

        private javax.swing.JScrollPane getJScrollPane5() {

                if (jScrollPane5 == null) {

                        jScrollPane5 = new javax.swing.JScrollPane();

                        jScrollPane5.setBounds(11, 190, 431, 130);

                        jScrollPane5.setViewportView(getLstSelectedLayers());

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

                }

                return jScrollPane5;

        }

        /**

         * This method initializes jTextField

         *

         * @return javax.swing.JTextField

         */

        public JTextField getJTxtNomCapa() {

                if (jTxtNomCapa == null) {

                        jTxtNomCapa = new JTextField();

                        jTxtNomCapa.setBounds(10, 19, 437, 20);

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

                }

                return jTxtNomCapa;

        }

        /**

         * This method initializes jScrollPane6

         *

         * @return javax.swing.JScrollPane

         */

        private javax.swing.JScrollPane getJScrollPane6() {

                if (jScrollPane6 == null) {

                        jScrollPane6 = new javax.swing.JScrollPane();

                        jScrollPane6.setBounds(5, 23, 442, 140);

                        jScrollPane6.setViewportView(getLstFormats());

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

                }

                return jScrollPane6;

        }

        /**

         * This method initializes jScrollPane2

         *

         * @return javax.swing.JScrollPane

         */

        private javax.swing.JScrollPane getJScrollPane2() {

                if (jScrollPane2 == null) {

                        jScrollPane2 = new javax.swing.JScrollPane();

                        jScrollPane2.setBounds(5, 23, 442, 141);

                        jScrollPane2.setViewportView(getLstSRSs());

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

                }

                return jScrollPane2;

        }

        /**

         * This method initializes treeLayers

         *

         * @return javax.swing.JTree

         */

        public javax.swing.JTree getTreeLayers() {

                if (treeLayers == null) {

                        treeLayers = new javax.swing.JTree();

                        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?...

                        {

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

                                        isGetMapable = ((WMSLayerNode) selecciones[i].getLastPathComponent()).getChildren().size()==0;

                                }

                        }

                        getBtnAdd().setEnabled(isGetMapable);

                            listenerSupport.callStateChanged(isCorretlyConfigured());

                                        }

                                });

//            treeLayers.setCellRenderer(new TreeCellRenderer() {

//

//                public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {

//                    final JLabel label = new JLabel();

//                    if (value instanceof WMSLayerNode){

//                        label.setText(((WMSLayerNode)value).getTitle());

//                        label.setToolTipText(((WMSLayerNode)value).getAbstract());

//                    }

//                    

//                    return label;

//                }

//                

//            });

                }

                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 isCorretlyConfigured() {

                boolean b;

        this.repaint();

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

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

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

                        b = true;

                } else {

                        b = false;

                }

        // Enable or disable the delete layer button.

        getBtnDel().setEnabled(getLstSelectedLayers().getSelectedIndices()!=null && getLstSelectedLayers().getSelectedIndices().length>0);

        return b;

        }

        /**

         * DOCUMENT ME!

         */

        private void delLayer() {

                int[] indices = lstSelectedLayers.getSelectedIndices();

                ArrayList removeList = new ArrayList();

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

        ArrayList elements = modelo.getElements();

        WMSLayerNode[] infos = (WMSLayerNode[]) elements.toArray(new WMSLayerNode[0]);

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

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

                }

                modelo.delIndices(indices);

                lstSelectedLayers.clearSelection();

                listenerSupport.callStateChanged(true);

                //activarVisualizarBotones();

                refresh();

        }

        /**

     * Refreshes the content shown by this.

     */

    public void refresh() {

        refreshSRS();

        getLstSelectedLayers().repaint();

        //styleSelectPanel.refresh();

        //refreshStyleTable();

        refreshStyleTree();

        refreshDimensionTree();

    }

    private void refreshDimensionTree() {

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

            WMSLayerNode dimensionRoot = new WMSLayerNode();

            dimensionRoot.setTitle(PluginServices.getText(this, "selected_themes"));

            DimensionTreeModel model = new DimensionTreeModel(dimensionRoot);

        jTabbedPane.setEnabledAt(dimensionTabIndex, false);

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

                    WMSLayerNode node = (WMSLayerNode) getLstSelectedLayers().getModel().getElementAt(i);

                    WMSLayerNode myNode = new WMSLayerNode();

            myNode.setName(node.getName());

            myNode.setTitle(node.getTitle());

            if (node.getDimensions()==null)

                        continue;

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

                    IFMapWMSDimension dim = (IFMapWMSDimension) node.getDimensions().get(j);

                myNode.addDimension(dim.getName(), dim.getUnit(), dim.getUnitSymbol(), dim.getExpression());

            }

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

            if (model.addLayerBranch(myNode))

                jTabbedPane.setEnabledAt(dimensionTabIndex, true);

            }

            getDimensionTree().setModel(model);

        getDimensionTree().repaint();

    }

    /**

     * 

     */

    private void refreshStyleTree() {

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

        WMSLayerNode styleRoot = new WMSLayerNode();

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

        StylesTreeModel model = new StylesTreeModel(styleRoot);

        jTabbedPane.setEnabledAt(stylesTabIndex, false);

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

            WMSLayerNode node = (WMSLayerNode)getLstSelectedLayers().getModel().getElementAt(i);

            WMSLayerNode myNode = new WMSLayerNode();

            myNode.setName(node.getName());

            myNode.setTitle(node.getTitle());

            if (node.getStyles()==null)

                continue;

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

                FMapWMSStyle sty = (FMapWMSStyle) node.getStyles().get(j);

                myNode.addStyle(sty.name, sty.title, sty.styleAbstract);

            }

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

            if (model.addLayerBranch(myNode))

                jTabbedPane.setEnabledAt(stylesTabIndex, true);

        }

        getStyleTree().setModel(model);

        getStyleTree().repaint();

    }

    /**

     * Gets the currently shown style tree.

     * @return

     */

    public StyleTree getStyleTree() {

        return getTabStyle().getStyleTree();

    }

    /**

     * Gets the currently shown style tree.

     * @return

     */

    public DimensionTree getDimensionTree() {

        return getTabDimensions().getDimensionTree();

    }

    /**

         * DOCUMENT ME!

         */

        private void addLayer() {

                boolean alguno = false;

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

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

                        WMSLayerNode nodo = (WMSLayerNode) selecciones[i].getLastPathComponent();

                        if (nodo.getChildren().size()>0)

                // no es un nodo hijo

                continue;

                        //Se a?ade a la lista de layers seleccionados

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

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

                                alguno = true;

                        }

                }

                if (alguno) {

                        refresh();

                }

        }

        /**

         * This method initializes lstSelectedLayers

         *

         * @return javax.swing.JList

         */

        public javax.swing.JList getLstSelectedLayers() {

                if (lstSelectedLayers == null) {

            lstSelectedLayers = new JDnDList();

                        lstSelectedLayers.setModel(selectedLayersModel);

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

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

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

                                listenerSupport.callStateChanged(isCorretlyConfigured());

                            }

                        });

                }

                return lstSelectedLayers;

        }

    private void refreshStyleTable(){

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

        getTabStyle().setEnabled(size != 0); // TODO y que alguna de ellas tenga estilo

        StylesTableModel model = (StylesTableModel) getTblStyles().getModel();

        model.removeAll();

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

            WMSLayerNode node = (WMSLayerNode)getLstSelectedLayers().getModel().getElementAt(i);

            model.addRow(node);

        }

    }

        /**

         * This method initializes lstSRSs

         *

         * @return javax.swing.JList

         */

        public javax.swing.JList getLstSRSs() {

                if (lstSRSs == null) {

                        lstSRSs = new javax.swing.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) {

                                        //activarVisualizarBotones();

                                        listenerSupport.callStateChanged(isCorretlyConfigured());

                                }

                        });

                }

                return lstSRSs;

        }

        /**

         * This method initializes lstFormats1

         *

         * @return javax.swing.JList

         */

        public javax.swing.JList getLstFormats() {

                if (lstFormats == null) {

                        lstFormats = new javax.swing.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;

        }

        /**

         * DOCUMENT ME!

         */

        private void refreshSRS() {

        String oldSrs = (String) getLstSRSs().getSelectedValue();

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

        WMSLayerNode[] layers = (WMSLayerNode[]) elements.toArray(new WMSLayerNode[0]);

                if (layers.length == 0) {

                        lstSRSs.setModel(new DefaultListModel());

                } else {

                        TreeSet srsSet = new TreeSet();

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

            // I'm adding the layer specific SRS

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

                                HashSet nuevo = new HashSet(layers[i].getAllSrs());

                try{

                    Iterator it = srsSet.iterator();

                                    while (it.hasNext()) {

                                        String srs = (String) it.next();

                                        if (!nuevo.contains(srs)) {

                                            srsSet.remove(srs);

                                        }

                                    }

                                } catch (ConcurrentModificationException e){

                    // just ignore it and wait the user for do something.

                    // this is tipically caused by a fast dialog manipulation.

                                }

                        }

            // And now, I'm adding the service SRS

            srsSet.addAll(((WMSLayerNode)getTreeLayers().getModel().getRoot()).getAllSrs());

                        DefaultListModel model = new DefaultListModel();

                        String[] array = (String[]) srsSet.toArray(new String[0]);

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

                                model.addElement(array[i]);

                        }

                        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) {

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

                getLstSelectedLayers().repaint();

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

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

                /*getLstLayerStyles().setModel(getLstSelectedLayers().getModel());

                getLstLayerStyles().repaint();*/

        getTabInfo().refresh(dataSource);

        }

        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[0].getName();

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

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

                }

                return layersQuery;

        }

        public String getSRS() {

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

        }

        public String getLayerName() {

                return getJTxtNomCapa().getText();        

        }

    public Rectangle2D getLayersRectangle(){

        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;

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

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

            if (rect != null) {

                rectangulos.add(rect);

            }

        }

        rect = getRectangle((Rectangle2D.Double[]) rectangulos.toArray(

                new Rectangle2D.Double[0]));

        return rect;

    }

    public Rectangle2D _getLayersRectangle(){        

                TreePath[] layers = getSelectedLayers();

                //Boundingbox de todas las capas

                ArrayList rectangulos = new ArrayList();

                Rectangle2D rect;

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

                        String[] rutaCapa = new String[layers[i].getPathCount()];

                        for (int j = 0; j < layers[i].getPathCount(); j++) {

                                rutaCapa[j] = ((WMSLayerNode) layers[i].getPathComponent(j)).getTitle();

                        }

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

                        if (rect != null) {

                                rectangulos.add(rect);

                        }

                }

                rect = getRectangle((Rectangle2D.Double[]) rectangulos.toArray(

                                new Rectangle2D.Double[0]));

                return rect;

        }

        public TreePath[] getSelectedLayers() {

                return getTreeLayers().getSelectionPaths();

        }

        /**

         * Obtiene el rect?ngulo que contiene a todos los otros

         *

         * @param rects rectangulos

         *

         * @return Rectangulo que contiene a todos los demas

         */

        private Rectangle2D getRectangle(Rectangle2D[] rects) {

                Rectangle2D ret = rects[0];

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

                        ret.add(rects[i]);

                }

                return ret;

        }

    /**

     * 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 javax.swing.JTabbedPane        

         */    

        public JTabbedPane getJTabbedPane() {

                if (jTabbedPane == null) {

                        jTabbedPane = new JTabbedPane();

                        jTabbedPane.setBounds(3, 3, 475, 415);

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

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

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

                        //jTabbedPane.addTab(PluginServices.getText(this, "estilos (old)"), null, getTabStyleSelect(), null);

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

            stylesTabIndex = jTabbedPane.getTabCount()-1;

                        //jTabbedPane.addTab(PluginServices.getText(this, "estilos tabla"), null, getTabStyles(), null);        

                        jTabbedPane.addTab(PluginServices.getText(this, "dimensiones"), null, getTabDimensions(), null);

            dimensionTabIndex = jTabbedPane.getTabCount()-1;

            jTabbedPane.setEnabledAt(dimensionTabIndex, false);

            jTabbedPane.setEnabledAt(stylesTabIndex, false);

                }

                return jTabbedPane;

        }

        /**

         * This method initializes jPanel        

         *         

         * @return javax.swing.JPanel        

         */    

        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 javax.swing.JPanel        

         */    

        private JPanel getJPanel1() {

                if (jPanel1 == null) {

                        jPanel1 = new JPanel();

                        jPanel1.setLayout(null);

            jPanel1.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));

                        jPanel1.setBounds(7, 10, 453, 194);

                        jPanel1.add(getJScrollPane6(), null);

                        jPanel1.add(getChkTransparency(), null);

                }

                return jPanel1;

        }

        /**

         * This method initializes jPanel5        

         *         

         * @return javax.swing.JPanel        

         */    

        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(7, 210, 453, 168);

                        jPanel5.add(getJScrollPane2(), null);

                }

                return jPanel5;

        }

        /**

         * This method initializes jPanel6        

         *         

         * @return javax.swing.JPanel        

         */    

        public StylesPanel getTabStyle() {

                if (tabStyle == null) {

                        tabStyle = new StylesPanel();

            tabStyle.setEnabled(false);

                }

                return tabStyle;

        }

        /**

         * This method initializes tabStyleSelect        

         *         

         * @return javax.swing.JPanel        

         */    

        private JPanel getTabStyleSelect() {

                if (tabStyleSelect == null) {

                        styleSelectPanel = new StylesSelectionPanel(this);

                        tabStyleSelect = new JPanel();

                        tabStyleSelect.setLayout(null);

                        tabStyleSelect.add(styleSelectPanel, null);

                        styleSelectPanel.setTabPanel(tabStyleSelect);

                }

                return tabStyleSelect;

        }

        /**

     * This method initializes jPanel7  

     *  

     * @return javax.swing.JPanel   

     */    

    private JPanel getJPanel8() {

        if (jPanel8 == null) {

            jPanel8 = new JPanel();

            jPanel8.setLayout(null);

            jPanel8.setBounds(5, 9, 456, 376);

            jPanel8.setBorder(javax.swing.BorderFactory.createTitledBorder(

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

                    javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

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

            jPanel8.add(getJScrollPane(), null);

        }

        return jPanel8;

    }

        /**

         * 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 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 nextPageEnabled() {

        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;

    }

    /**

     * This method initializes chkTrasparency        

     *         

     * @return javax.swing.JCheckBox        

     */    

    public JCheckBox getChkTransparency() {

            if (chkTransparency == null) {

                    chkTransparency = new JCheckBox();

            chkTransparency.setText(PluginServices.getText(this, "wms_transparency"));

            chkTransparency.setSelected(true);

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

            }

            return chkTransparency;

    }

    /**

     * This method initializes jPanel        

     *         

     * @return javax.swing.JPanel        

     */    

    private JPanel getTabStyles() {

            if (tabStyles == null) {

                    tabStyles = new JPanel();

                    tabStyles.setLayout(null);

                    tabStyles.add(getJPanel8(), null);

            }

            return tabStyles;

    }

    /**

     * This method initializes jScrollPane        

     *         

     * @return javax.swing.JScrollPane        

     */    

    private JScrollPane getJScrollPane() {

            if (jScrollPane == null) {

                    jScrollPane = new JScrollPane();

                    jScrollPane.setBounds(8, 20, 441, 350);

                    jScrollPane.setViewportView(getTblStyles());

            }

            return jScrollPane;

    }

    /**

     * This method initializes tblStyles        

     *         

     * @return javax.swing.JTable        

     */    

    private JTable getTblStyles() {

            if (tblStyles == null) {

                    tblStyles = new StylesTable(new StylesTableModel());

        }

            return tblStyles;

    }

    /**

     * 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.

     * 

     * TODO Tenir en compte que poden haver dues capes amb estils diferents i tal 

     * com est?. Sempre tornar? l'estil de la primera (clonar el hash? refrescar l'ordre?)

     * 

     * @return Vector

     */

    public Vector getStyles() {

        return getTabStyle().getStyleTree().getStylesSelection();

    }

    /**

     * This method initializes tabInfo        

     *         

     * @return javax.swing.JPanel        

     */    

    private InfoPanel getTabInfo() {

            if (tabInfo == null) {

                    tabInfo = new InfoPanel();

            }

            return tabInfo;

    }

    /**

     * This method initializes tabDimension        

     *         

     * @return javax.swing.JPanel        

     */    

    private DimensionPanel getTabDimensions() {

            if (tabDimensions == null) {

                    tabDimensions = new DimensionPanel();

            tabDimensions.setEnabled(false);

            }

            return tabDimensions;

    }

    /**

     * @return

     */

    public boolean getTransparency() {

        return getChkTransparency().isEnabled();

    }

    /**

     * @return

     */

    public Vector getDimensions() {

        return getDimensionTree().getDimensions();

    }

}  //  @jve:decl-index=0:visual-constraint="10,10"

/**

 * Panel de seleccion de estilos para cada capa seleccionada.

 */

class StylesSelectionPanel extends JPanel {

        private WMSParamsPanel mainPanel = null;

        private JPanel tabPanel = null;

        private JScrollPane scrlLayerStyles = null;

        private JScrollPane scrlSelectedStyles = null;

        private JList lstLayerStyles = null;

        private JList lstSelectedStyles = null;

        private JButton setLayerStyleBtn = null;

        private JButton deleteLayerStyleBtn = null;

        private JComboBox cmbStyleLayers = null;

    private ArrayList styles;

    public StylesSelectionPanel(WMSParamsPanel p) {

            super();

            mainPanel = p;

            init();

    }

        /**

         * This method initializes Panel        

         */    

        private void init() {

                setLayout(null);

                setBounds(5, 9, 456, 376);

                setBorder(javax.swing.BorderFactory.createTitledBorder(

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

                                javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

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

                add(getScrlLayerStyles(), null);

                add(getScrlSelectedStyles(), null);

                add(getSetLayerStyleBtn(), null);

                add(getDeleteLayerStyleBtn(), null);

                add(getCmbStyleLayers(), null);

                setSetLayerStyleButtonEnabled(false);

                setDeleteButtonEnabled(false);

        }

        protected void refresh() {

                getCmbStyleLayers().removeAllItems();

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

        getTabPanel().setEnabled(size != 0); // TODO y que alguna de ellas tenga estilo

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

                        getCmbStyleLayers().addItem(getLstSelectedLayers().getModel().getElementAt(i));

                }

        }

        protected void setTabPanel(JPanel tab) {

                tabPanel = tab;

        }

        protected JPanel getTabPanel() {

                return tabPanel;

        }

        public JList getLstSelectedLayers() {

                return mainPanel.getLstSelectedLayers();

        }

        /**

         * This method initializes scrlLayerStyles        

         *         

         * @return javax.swing.JScrollPane        

         */    

        private JScrollPane getScrlLayerStyles() {

                if (scrlLayerStyles == null) {

                        scrlLayerStyles = new JScrollPane();

                        scrlLayerStyles.setBounds(14, 67, 430, 117);

                        scrlLayerStyles.setViewportView(getLstLayerStyles());

                }

                return scrlLayerStyles;

        }

        /**

         * This method initializes scrlStyles        

         *         

         * @return javax.swing.JScrollPane        

         */    

        private JScrollPane getScrlSelectedStyles() {

                if (scrlSelectedStyles == null) {

                        scrlSelectedStyles = new JScrollPane();

                        scrlSelectedStyles.setBounds(14, 250, 430, 111);

                        scrlSelectedStyles.setViewportView(getLstSelectedStyles());

                }

                return scrlSelectedStyles;

        }

        /**

         * This method initializes lstLayerStyles        

         *         

         * @return javax.swing.JList        

         */    

        private JList getLstLayerStyles() {

                if (lstLayerStyles == null) {

                        lstLayerStyles = new JList();

                }

                return lstLayerStyles;

        }

    /**

         * This method initializes lstStyles