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.wcs;

import java.awt.FlowLayout;

import java.awt.geom.Rectangle2D;

import java.net.MalformedURLException;

import java.net.URL;

import java.util.prefs.Preferences;

import javax.swing.DefaultComboBoxModel;

import javax.swing.JCheckBox;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JTextArea;

import org.gvsig.fmap.dal.DataStoreParameters;

import org.gvsig.fmap.mapcontext.layers.FLayer;

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

import com.iver.andami.PluginServices;

import com.iver.andami.persistence.serverData.ServerDataPersistence;

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

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

import com.iver.cit.gvsig.gui.panels.WCSParamsPanel;

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

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

import com.iver.utiles.NotExistInXMLEntity;

import com.iver.utiles.XMLEntity;

import com.iver.utiles.swing.jcomboServer.JComboServer;

import com.iver.utiles.swing.jcomboServer.ServerData;

/**

 * Class implementing the WCSWizard.

 *

 * Clase que implementa el Wizard para coberturas WCS

 * @author Jaume Dom?nguez Faus

 */

public class WCSWizard extends WizardPanel {

        private int page = 0;

        private boolean connected = false;

        private JComboServer cmbHost = null;

        private JButton btnConnect = null;

        private JPanel jPanel = null;

        private JLabel jLabel1 = null;

        private JLabel lblTitle = null;

        private JScrollPane jScrollPane = null;

        private JTextArea txtAbstract = null;

        private JPanel panelPage1 = null;

        private JButton btnSiguiente = null;

        private JButton btnAnterior = null;

        private JPanel jPanel1 = null;

        private WizardListenerSupport listenerSupport = new WizardListenerSupport();

        private WCSParamsPanel wcsParamsPanel = null;

        private WCSWizardData dataSource = null;

        private JPanel pnlName;

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

        private boolean refreshing = fPrefs.getBoolean("refresh_capabilities", false);

        private JCheckBox chkCaching;

        /**

         * This is the default constructor

         */

        public WCSWizard() {

                super();

                initialize();

        }

        /**

         * This method initializes this

         */

        private void initialize() {

                setTabName("WCS");

                this.setLayout(null);

                this.setPreferredSize(new java.awt.Dimension(750, 320));

                this.setVisible(true);

                this.setSize(510, 468);

                this.add(getPanelPage1(), null);

                this.add(getPanelPage2(), null);

                this.add(getBtnAnterior(), null);

                this.add(getBtnSiguiente(), null);

                activarVisualizarBotones();

        }

        /**

         * Adds the host addres to a persistent data storage.

         *

         * con addHost guardamos la informaci?n del combo de servidores en un

         * almac?n persistente

         *

         * @param host

         */

        private void addHost(String host) {

                host = host.trim();

                DefaultComboBoxModel model = (DefaultComboBoxModel) getTxtHost()

                                .getModel();

                if (model.getIndexOf(host) < 0) {

                        model.addElement(host);

                        PluginServices ps = PluginServices.getPluginServices(this);

                        XMLEntity xml = ps.getPersistentXML();

                        try {

                                String[] servers = xml.getStringArrayProperty("wcs-servers");

                                String[] newServers = new String[servers.length + 1];

                                System.arraycopy(servers, 0, newServers, 0, servers.length);

                                newServers[servers.length] = host;

                                xml.putProperty("wcs-servers", newServers);

                        } catch (NotExistInXMLEntity e) {

                                xml.putProperty("wcs-servers", new String[] { host });

                        }

                        ps.setPersistentXML(xml);

                }

        }

        /**

         * Fills up the initial WCSWizard controls.

         *

         * Rellena los primeros controles del WCS Wizard

         *

         * jaume

         */

        private void fillupComponents() {

                try {

                        String host = cmbHost.getModel().getSelectedItem().toString();

                        dataSource.setHost(new URL(host), refreshing);

                        addHost(host);

                        getLblTitle().setText(dataSource.getTitle());

                        getTxtAbstract().setText(dataSource.getDescription());

//                        wcsParamsPanel.getLstCoverages().setListData(

//                                        dataSource.getCoverageList());

                        wcsParamsPanel.setWizardData(dataSource);

                        connected = true;

                        activarVisualizarBotones();

                } catch (Exception e) {

                        listenerSupport.callError(e);

                        e.printStackTrace();

                }

        }

        /**

         * Enables or disables the Next and Previous buttons according with the current

         * page and the enabled pages.

         */

        private void activarVisualizarBotones() {

                if (page == 0) {

                        getBtnAnterior().setEnabled(false);

                        getBtnSiguiente().setVisible(true);

                        if (connected) {

                                getBtnSiguiente().setEnabled(true);

                        } else {

                                getBtnSiguiente().setEnabled(false);

                        }

                } else if (page < wcsParamsPanel.getNumTabs()) {

                        getBtnSiguiente().setEnabled(true);

                        getBtnSiguiente().setVisible(true);

                        getBtnAnterior().setEnabled(true);

                        getBtnAnterior().setVisible(true);

                        if (wcsParamsPanel.nextPageEnabled()==-1){

                            getBtnSiguiente().setEnabled(false);

                        }

                        listenerSupport.callStateChanged(wcsParamsPanel.isCorretlyConfigured());

                } else if (page == wcsParamsPanel.getNumTabs()) {

                        getBtnSiguiente().setVisible(false);

                        getBtnSiguiente().setEnabled(false);

                        listenerSupport.callStateChanged(wcsParamsPanel

                                        .isCorretlyConfigured());

                }

        }

        /**

         * This method initializes txtHost from the persistent data storage

         *

         * @return javax.swing.JTextField

         */

        private javax.swing.JComboBox getTxtHost() {

                if (cmbHost == null) {

                        cmbHost = new JComboServer();

                        cmbHost.setModel(new DefaultComboBoxModel());

                        cmbHost.setPreferredSize(new java.awt.Dimension(350, 20));

                        cmbHost.setBounds(11, 26, 454, 20);

                        cmbHost.setEditable(true);

                        ServerDataPersistence persistence = new ServerDataPersistence(this,ServerData.SERVER_TYPE_WCS);

                        ServerData[] servers = persistence.getArrayOfServerData();

                        if (servers.length == 0){

                                PluginServices ps = PluginServices.getPluginServices(this);

                                XMLEntity xml = ps.getPersistentXML();

                                try {

                                        String[] oldServers = xml.getStringArrayProperty("wcs-servers");

                                        servers = new ServerData[oldServers.length];

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

                                                servers[i] = new ServerData(oldServers[i],ServerData.SERVER_TYPE_WCS);

                                        }

                                        xml.remove("wcs-servers");

                                        ps.setPersistentXML(xml);

                                } catch (NotExistInXMLEntity e) {

                                        // Old servers doesn't exist

                                        servers = new ServerData[2];

                                        servers[0] = new ServerData("http://maps.gdal.org/cgi-bin/mapserv_dem",ServerData.SERVER_TYPE_WCS);

                                        servers[1] = new ServerData("http://inspire.cop.gva.es/mapserver/wcs",ServerData.SERVER_TYPE_WCS);

                                }

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

                                        persistence.addServerData(servers[i]);

                                }

                                persistence.setPersistent();

                        }

                        cmbHost.setServerList(servers);

                }

                return cmbHost;

}

        /**

         * This method initializes btnDetalles

         *

         * @return JButton

         */

        private JButton getBtnConnect() {

                if (btnConnect == null) {

                        btnConnect = new JButton();

                        btnConnect.setPreferredSize(new java.awt.Dimension(100, 20));

                        btnConnect.setBounds(366, 50, 100, 20);

                        btnConnect.setText(PluginServices.getText(this, "connect"));

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

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

                                        wcsParamsPanel.cleanupWizard();

                                        connected = false;

                                        fillupComponents();

                                }

                        });

                }

                return btnConnect;

        }

        /**

         * This method initializes jPanel

         *

         * @return JPanel

         */

        private JPanel getJPanel() {

                if (jPanel == null) {

                        jPanel = new javax.swing.JPanel();

                        jPanel.setLayout(null);

                        jPanel.setPreferredSize(new java.awt.Dimension(470, 130));

                        jPanel.setBorder(javax.swing.BorderFactory.createTitledBorder(null,

                                        PluginServices.getText(this, "descripcion"),

                                        javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

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

                                        null));

                        jPanel.setBounds(2, 96, 477, 324);

                        jPanel.add(getPnlName(), null);

                        jPanel.add(getJScrollPane(), null);

                }

                return jPanel;

        }

        /**

         * This method initializes jLabel1

         *

         * @return JLabel

         */

        private JLabel getJLabel1() {

                if (jLabel1 == null) {

                        jLabel1 = new javax.swing.JLabel();

                        jLabel1.setText(PluginServices.getText(this, "nombre") + ":");

                        jLabel1.setBounds(37, 26, 40, 15);

                }

                return jLabel1;

        }

        /**

         * This method initializes lblTitle

         *

         * @return JLabel

         */

        private JLabel getLblTitle() {

                if (lblTitle == null) {

                        lblTitle = new javax.swing.JLabel();

                        lblTitle.setText("-");

                        lblTitle.setPreferredSize(new java.awt.Dimension(350, 16));

                        lblTitle.setBounds(82, 26, 350, 16);

                }

                return lblTitle;

        }

        /**

         * This method initializes jScrollPane

         *

         * @return JScrollPane

         */

        private JScrollPane getJScrollPane() {

                if (jScrollPane == null) {

                        jScrollPane = new javax.swing.JScrollPane();

                        jScrollPane.setViewportView(getTxtAbstract());

                        jScrollPane.setPreferredSize(new java.awt.Dimension(450, 60));

                        jScrollPane.setBounds(10, 47, 457, 267);

                }

                return jScrollPane;

        }

        /**

         * This method initializes txtAbstract

         *

         * @return JTextArea

         */

        private JTextArea getTxtAbstract() {

                if (txtAbstract == null) {

                        txtAbstract = new javax.swing.JTextArea();

                        txtAbstract.setWrapStyleWord(true);

                        txtAbstract.setColumns(30);

                        txtAbstract.setLineWrap(true);

                }

                return txtAbstract;

        }

        /**

         * This method initializes chkCaching

         *

         * @return javax.swing.JCheckBox

         */

        private JCheckBox getChkCaching() {

                if (chkCaching == null) {

                        chkCaching = new JCheckBox();

                        chkCaching.setBounds(7, 51, 349, 20);

                        chkCaching.setText(PluginServices.getText(this, "refresh_capabilities"));

                        chkCaching.setToolTipText(PluginServices.getText(this, "refresh_capabilities_tooltip"));

                        chkCaching.setSelected(refreshing);

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

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

                                        refreshing = chkCaching.isSelected();

                                }

                        });

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

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

                                        fPrefs.putBoolean("refresh_capabilities", chkCaching.isSelected());

                                }

                        });

                }

                return chkCaching;

        }

        /**

         * This method initializes panelPage1

         *

         * @return JPanel

         */

        private JPanel getPanelPage1() {

                if (panelPage1 == null) {

                        panelPage1 = new javax.swing.JPanel();

                        panelPage1.setLayout(null);

                        panelPage1.setPreferredSize(new java.awt.Dimension(480, 220));

                        panelPage1.setVisible(true);

                        panelPage1.setBounds(15, 5, 480, 427);

                        panelPage1.add(getJPanel1(), null);

                        panelPage1.add(getJPanel(), null);

                }

                return panelPage1;

        }

        /**

         * This method initializes panelPage2

         *

         * @return JPanel

         */

        private JPanel getPanelPage2() {

                if (wcsParamsPanel == null) {

                        wcsParamsPanel = new WCSParamsPanel();

                        wcsParamsPanel.setListenerSupport(this.listenerSupport);

                        wcsParamsPanel.setBounds(0, 5, 510, 428);

                }

                return wcsParamsPanel;

        }

        /**

         * This method initializes pnlName

         *

         * @return JPanel

         */

        private JPanel getPnlName() {

                if (pnlName == null) {

                        pnlName = new JPanel(new FlowLayout(FlowLayout.LEFT, 10, 0));

                        pnlName.setBounds(new java.awt.Rectangle(9,19,452,24));

                        pnlName.add(getJLabel1(), null);

                        pnlName.add(getLblTitle(), null);

                }

                return pnlName;

        }

        /**

         * This method initializes btnSiguiente

         *

         * @return JButton

         */

        private JButton getBtnSiguiente() {

                if (btnSiguiente == null) {

                        btnSiguiente = new JButton();

                        btnSiguiente.setPreferredSize(new java.awt.Dimension(100, 30));

                        btnSiguiente.setBounds(395, 444, 100, 20);

                        btnSiguiente.setText(PluginServices.getText(this, "siguiente"));

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

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

                                        if (page > 0) {

                                                // si page es mayor que cero, vamos enfocando las

                                                // sucesivas SOLAPAS del WCSParamsPanel

                                                wcsParamsPanel.avanzaTab();

                                                page = wcsParamsPanel.getIndiceSolapaActual();

                                        }

                                        page++;

                                        getPanelPage1().setVisible(false);

                                        getPanelPage2().setVisible(true);

                                        activarVisualizarBotones();

                                }

                        });

                }

                return btnSiguiente;

        }

        /**

         * This method initializes btnAnterior

         *

         * @return JButton

         */

        private JButton getBtnAnterior() {

                if (btnAnterior == null) {

                        btnAnterior = new JButton();

                        btnAnterior.setBounds(292, 444, 100, 20);

                        btnAnterior.setText(PluginServices.getText(this, "anterior"));

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

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

                                        page --;

                                        if (page > 0) {

                                                // Tenemos que retroceder en el wcsParamsPanel

                                                wcsParamsPanel.retrocedeTab();

                                                page = wcsParamsPanel.getIndiceSolapaActual() + 1;

                                                activarVisualizarBotones();

                                        } else if (page==0){

                                                activarVisualizarBotones();

                                                page = 1;

                                                wcsParamsPanel.cleanupWizard();

                                                getLblTitle().setText("-");

                                                getTxtAbstract().setText("");

                                                wcsParamsPanel.retrocedeTab();

                                                getPanelPage1().setVisible(true);

                                                getPanelPage2().setVisible(false);

                                                getBtnSiguiente().setEnabled(false);

                                                connected = false;

                                        }

                                        listenerSupport.callStateChanged(wcsParamsPanel.isCorretlyConfigured());

                                }

                        });

                }

                return btnAnterior;

        }

        /**

         * This method initializes jPanel1

         *

         * @return javax.swing.JPanel

         */

        private JPanel getJPanel1() {

                if (jPanel1 == null) {

                        jPanel1 = new javax.swing.JPanel();

                        jPanel1.setLayout(null);

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

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

                                        javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

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

                        jPanel1.setBounds(2, 5, 477, 85);

                        jPanel1.add(getTxtHost(), null);

                        jPanel1.add(getBtnConnect(), null);

                        jPanel1.add(getChkCaching(), null);

                }

                return jPanel1;

        }

        /**

         * Adds the gvSIG's wizard listener

         *

         * @param listener

         */

        public void addWizardListener(WizardListener listener) {

                listenerSupport.addWizardListener(listener);

        }

        /**

         * Removes the gvSIG's wizard listener

         *

         * @param listener

         */

        public void removeWizardListener(WizardListener listener) {

                listenerSupport.removeWizardListener(listener);

        }

        /**

         * Returns the Wizard's data source

         *

         * @return

         */

        public WCSWizardData getDataSource() {

                return dataSource;

        }

        /**

         * sets the wizard's data source

         *

         * @param source

         */

        public void setDataSource(WCSWizardData source) {

                dataSource = source;

        }

        /**

         * Returns the rectangle that contains all the others

         *

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

         *

         * @param rects[]  rectangulos

         *

         * @return Rectangle2D

         */

        public static Rectangle2D getRectangle(Rectangle2D[] rects) {

                Rectangle2D ret = rects[0];

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

                        ret.add(rects[i]);

                }

                return ret;

        }

        /**

         * Returns the host typed in the host text field or null if nothing is typed

         * or it is not a valid URL.

         *

         * Devuelve el host que est? escrito en el cuadro de texto del host o null

         * en caso de que no haya nada escrito o est? mal escrito

         *

         * @return URL del host

         */

        public URL getHost() {

                try {

                        return new URL(cmbHost.getModel().getSelectedItem().toString());

                } catch (MalformedURLException e) {

                        return null;

                }

        }

        /**

         * Returns the name of the coverage that appears in the TOC

         *

         * @return String

         */

        public String getLayerName() {

                return wcsParamsPanel.getLayerName();

        }

        public void initWizard() {

                setDataSource(new WCSWizardData());

        }

        public void execute() {

                this.getMapCtrl().getMapContext().getLayers().addLayer(this.getLayer());

        }

        /**

         * Creates a new layer to be passed to gvSIG. This method is automatically called

         * by gvSIG and it must ensure that a layer is fully and correctly created or then

         * return null.

         */

        public FLayer getLayer() {

                FLyrWCS layer = new FLyrWCS();

                layer.setHost(this.getHost().toString());

                layer.setCoverageName(wcsParamsPanel.getCurrentCoverageName());

                layer.setSRS(wcsParamsPanel.getSRS());

                layer.setFormat(wcsParamsPanel.getFormat());

                layer.setFullExtent(wcsParamsPanel.getExtent());

                layer.setDriver(wcsParamsPanel.getDriver());

                layer.setTime(wcsParamsPanel.getTime());

                layer.setParameter(wcsParamsPanel.getParameterString());

                layer.setName(wcsParamsPanel.getCoverageName());

                layer.setMaxResolution(wcsParamsPanel.getMaxRes());

                return layer;

        }

        @Override

        public DataStoreParameters[] getParameters() {

                // TODO Auto-generated method stub

                return null;

        }

}