| gvSIG desktop 1

/* 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.util.AbstractCollection;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.Hashtable;

import java.util.TreeSet;

import java.util.Vector;

import java.util.prefs.Preferences;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JCheckBox;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

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.cresques.cts.ProjectionPool;

import org.cresques.cts.gt2.CoordSys;

import org.cresques.cts.gt2.CoordTrans;

import com.iver.andami.PluginServices;

import com.iver.andami.messages.NotificationManager;

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.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.beans.controls.dnd.JDnDList;

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

import com.iver.cit.gvsig.gui.beans.listeners.BeanListener;

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;

/**

 * 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 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 LayerList lstSelectedLayers = null;

        private javax.swing.JList lstSRSs = null;

        private LayerTree 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 JCheckBox chkTransparency = null;

    private InfoPanel tabInfo = null;

    private DimensionPanel tabDimensions = null;

    private int dimensionTabIndex;

    private int stylesTabIndex;

    private String oldSRS = null;

        //private HashMap oldStyles = null;

    //private Hashtable oldStyles = null;

        private AbstractCollection oldDimensions = null;

        private Dimension fixedSize;

        private JCheckBox chkExtendedNames = null;

        private JButton btnUp = null;

        private JButton btnDown = null;

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

    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, 457, 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);

                }

                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, "layer_name"),

                                        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.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, 136);

                        jScrollPane1.setViewportView(getTreeLayers());

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

                }

                return jScrollPane1;

        }

        /**

         * This method initializes btnDel

         *

         * @return javax.swing.JButton

         */

        private 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, "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 javax.swing.JButton

         */

        private 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, "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 javax.swing.JScrollPane

         */

        private javax.swing.JScrollPane getJScrollPane5() {

                if (jScrollPane5 == null) {

                        jScrollPane5 = new javax.swing.JScrollPane();

                        jScrollPane5.setBounds(47, 172, 394, 126);

                        jScrollPane5.setViewportView(getLstSelectedLayers());

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

                }

                return jScrollPane5;

        }

        /**

         * This method initializes jTextField

         *

         * @return javax.swing.JTextField

         */

        private JTextField getJTxtNomCapa() {

                if (jTxtNomCapa == null) {

                        jTxtNomCapa = new JTextField();

                        jTxtNomCapa.setBounds(10, 19, 437, 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 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

         */

        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());

                        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_themes"));

        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.

         */

        private void addLayer() {

                boolean alguno = false;

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

                if (selecciones == null)

                        return;

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

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

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

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

                                        // no es un node que es puga demanar

                                        continue;

                                if (nodo.isSizeFixed()) {

                                        if (fixedSize == null)

                                                fixedSize = nodo.getFixedSize();

                                        else {

                                                JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame()

                                                                ,PluginServices.getText(this, "server_cant_render_layers"));

                                        }

                                }

                        }

                        // 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 javax.swing.JList

         */

        public LayerList getLstSelectedLayers() {

                if (lstSelectedLayers == null) {

            lstSelectedLayers = new LayerList();

                        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) {

                                fireWizardComplete(isCorrectlyConfigured());

                            }

                        });

                        lstSelectedLayers.addMouseListener(new MouseAdapter(){

                                public void mouseReleased(MouseEvent e) {

                                        refreshData();        

                                }

                        });

                }

                return lstSelectedLayers;

        }

        /**

         * 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) {

                                        int i = lstSRSs.getSelectedIndex();

                                        if (i!=-1)

                                                oldSRS = (String) lstSRSs.getModel().getElementAt(i);

                                        fireWizardComplete(isCorrectlyConfigured());

                                }

                        });

                }

                return lstSRSs;

        }

        /**

         * This method initializes lstFormats

         *

         * @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) {

                                        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());

                } 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 = ProjectionPool.get(getSRS());

                IProjection latLonProj = ProjectionPool.get(latLonID);                    

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

                    ICoordTrans ct = new CoordTrans((CoordSys) latLonProj, (CoordSys) 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 javax.swing.JTabbedPane        

         */    

        public JTabbedPane getJTabbedPane() {

                if (jTabbedPane == null) {

                        jTabbedPane = new JTabbedPane();

                        jTabbedPane.setBounds(3, 3, 475, 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 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, "select_formats"),

                    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        

         */    

        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 javax.swing.JCheckBox        

     */    

    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;

    }

    /**

     * This method initializes tabInfo        

     *         

     * @return javax.swing.JPanel        

     */    

    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 javax.swing.JPanel        

     */    

    private DimensionPanel getTabDimensions() {

            if (tabDimensions == null) {

                    tabDimensions = new DimensionPanel();

            tabDimensions.setEnabled(false);

            tabDimensions.addListener(new BeanListener(){

                    public void beanValueChanged(Object value) {

                            Vector myDimensions = (Vector) value;

                            if (value!=null && (  oldDimensions == null || 

                                                        !(oldDimensions.size() == myDimensions.size()

                                                       && oldDimensions.containsAll(myDimensions)))

                                                       ){

                                    oldDimensions = myDimensions;

                                }

                            fireWizardComplete(isCorrectlyConfigured());

                    }

            });

            }

            return tabDimensions;

    }

    /**

     * @return

     */

    public boolean getTransparency() {

        return getChkTransparency().isSelected();

    }

    /**

     * @return

     */

    public Vector getDimensions() {

        return getTabDimensions().getDimensions();

    }

        public void initWizard() {}

        public void execute() {        }

        public FLayer getLayer() {        return null; }

        public FMapWMSDriver getDriver() {

                return dataSource.getDriver();

        }

        public Dimension getFixedSize() {

                return fixedSize;

        }

        /**

         * This method initializes chkExtendedNames        

         *         

         * @return javax.swing.JCheckBox        

         */    

        private JCheckBox getChkExtendedNames() {

                if (chkExtendedNames == null) {

                        chkExtendedNames = new JCheckBox();

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

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

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

                                        boolean b = chkExtendedNames.isSelected();

                                        getTreeLayers().showLayerNames = b;

                                        getTreeLayers().repaint();

                                        getLstSelectedLayers().showLayerNames = b;

                                        getLstSelectedLayers().repaint();

                                        getStyleTree().showLayerNames = b;

                                }

                        });

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

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

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

                                }

                        });

                        chkExtendedNames.setBounds(46, 300, 150, 20);

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

                }

                return chkExtendedNames;

        }

        /**

         * This method initializes btnUp        

         *         

         * @return javax.swing.JButton        

         */    

        private JButton getBtnUp() {

                if (btnUp == null) {

                        btnUp = new JButton();

                        btnUp.setBounds(11, 204, 30, 30);

                        btnUp.setToolTipText(PluginServices.getText(this, "move_layer_up"));

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

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

                                        LayerList list = getLstSelectedLayers();

                                        int[] selectedIndices = list.getSelectedIndices();

                                        int index = list.getSelectedIndex();

                                        if (selectedIndices != null && selectedIndices.length==1 && index > 0 ) {

                                                JDnDListModel m = (JDnDListModel) list.getModel();

                                                m.itemsMoved(index - 1, new int[] {index});

                                                list.setSelectedIndex(index - 1);

                                        }

                                }

                        });

                        btnUp.setIcon(new ImageIcon(getClass().getClassLoader().getResource("images/up-arrow.png")));

                }

                return btnUp;

        }

        /**

         * This method initializes btnDown        

         *         

         * @return javax.swing.JButton        

         */    

        private JButton getBtnDown() {

                if (btnDown == null) {

                        btnDown = new JButton();

                        btnDown.setBounds(11, 235, 30, 30);

                        btnDown.setToolTipText(PluginServices.getText(this, "move_layer_down"));

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

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

                                        LayerList list = getLstSelectedLayers();

                                        int[] selectedIndices = list.getSelectedIndices();

                                        int index = list.getSelectedIndex();

                                        if (selectedIndices != null && selectedIndices.length == 1 && index < getLstSelectedLayers().getModel().getSize()-1) {

                                                JDnDListModel m = (JDnDListModel) list.getModel();

                                                m.itemsMoved(index + 1, new int[] {index});

                                                list.setSelectedIndex( index + 1);

                                        }

                                }

                        });

                        btnDown.setIcon(new ImageIcon(getClass().getClassLoader().getResource("images/down-arrow.png")));

                }

                return btnDown;

        }

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