Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* 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., 51 Franklin Street, Fifth Floor, Boston, 

* MA  02110-1301, USA.

* 

*/

package org.gvsig.raster.mainplugin.beans.createlayer;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

import java.io.File;

import java.util.ArrayList;

import javax.swing.BorderFactory;

import javax.swing.ButtonGroup;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JRadioButton;

import javax.swing.JTextField;

import javax.swing.filechooser.FileFilter;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.Utilities;

import org.gvsig.andami.ui.mdiManager.IWindow;

import org.gvsig.fmap.dal.coverage.RasterLocator;

import org.gvsig.fmap.dal.coverage.exception.RasterDriverException;

import org.gvsig.fmap.dal.coverage.util.FileUtils;

import org.gvsig.fmap.dal.coverage.util.PropertyEvent;

import org.gvsig.fmap.dal.coverage.util.PropertyListener;

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

import org.gvsig.raster.fmap.layers.FLyrRaster;

import org.gvsig.raster.swing.RasterSwingLibrary;

import org.gvsig.raster.util.ExtendedFileFilter;

/**

 *

 * @version 18/06/2008

 * @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)

 */

public class NewLayerPanel implements PropertyListener {

        private JPanel       panel              = null;

        private JRadioButton jRBFileGenerate    = null;

        private JRadioButton jRBOpenMemory      = null;

        private JTextField   filenameTextField  = null;

        private JLabel       labelFilename      = null;

        private JPanel       panelNameFile      = null;

        private boolean      compress           = false;

        private FLyrRaster   lyr                = null;

        protected FileUtils  fileUtil           = RasterLocator.getManager().getFileUtils();

        /**

         * Constructor de un CreateLayerPanel

         */

        public NewLayerPanel(FLyrRaster lyr) {

                this.lyr = lyr;

                initialize();

                translate();

        }

        /**

         * Devuelve el panel principal

         * @return

         */

        public JPanel getJPanel() {

                if (panel == null) {

                        panel = new JPanel();

                }

                return panel;

        }

        private void initialize() {

                ButtonGroup buttonGroup2;

                GridBagConstraints gridBagConstraints;

                getJPanel().setLayout(new GridBagLayout());

                getJPanel().setBorder(BorderFactory.createTitledBorder(""));

                buttonGroup2 = new ButtonGroup();

                buttonGroup2.add(getRadioFileGenerate());

                gridBagConstraints = new GridBagConstraints();

                gridBagConstraints.anchor = GridBagConstraints.WEST;

                gridBagConstraints.insets = new Insets(3, 3, 3, 3);

                gridBagConstraints.weightx = 1.0;

                getJPanel().add(getRadioFileGenerate(), gridBagConstraints);

                buttonGroup2.add(getRadioOpenMemory());

                gridBagConstraints = new GridBagConstraints();

                gridBagConstraints.gridx = 0;

                gridBagConstraints.gridy = 1;

                gridBagConstraints.anchor = GridBagConstraints.WEST;

                gridBagConstraints.insets = new Insets(3, 3, 3, 3);

                getJPanel().add(getRadioOpenMemory(), gridBagConstraints);

        }

        /**

         * Seccion donde ir?n todas las traducciones invariables del componente

         */

        private void translate() {

                getRadioFileGenerate().setText(PluginServices.getText(this, "generar_fichero"));

                getRadioOpenMemory().setText(PluginServices.getText(this, "abrir_memoria"));

                getLabelFilename().setText(PluginServices.getText(this, "nombre_capa") + ":");

        }

        /**

         * Devuelve el JRadioButton de generar fichero

         * @return

         */

        public JRadioButton getRadioFileGenerate() {

                if (jRBFileGenerate == null) {

                        jRBFileGenerate = new JRadioButton();

                        jRBFileGenerate.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));

                        jRBFileGenerate.setMargin(new Insets(0, 0, 0, 0));

                }

                return jRBFileGenerate;

        }

        /**

         * Devuelve el JRadioButton de Abrir en memoria

         * @return

         */

        public JRadioButton getRadioOpenMemory() {

                if (jRBOpenMemory == null) {

                        jRBOpenMemory = new JRadioButton();

                        jRBOpenMemory.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));

                        jRBOpenMemory.setMargin(new Insets(0, 0, 0, 0));

                        jRBOpenMemory.addItemListener(new ItemListener() {

                                public void itemStateChanged(ItemEvent evt) {

                                        jRBOpenMemoryStateChanged(evt);

                                }

                        });

                        jRBOpenMemory.setSelected(true);

                }

                return jRBOpenMemory;

        }

        /**

         * This method initializes filenameTextField

         *

         * @return javax.swing.JTextField

         */

        private JTextField getFilenameTextField() {

                if (filenameTextField == null) {

                        filenameTextField = new JTextField();

                        filenameTextField.setPreferredSize(new Dimension(150, filenameTextField.getPreferredSize().height));

                        fileUtil.addOnlyLayerNameListener(this);

                }

                return filenameTextField;

        }

        /**

         * This method initializes jPNameFile

         *

         * @return javax.swing.JPanel

         */

        public JPanel getFileNamePanel() {

                if (panelNameFile == null) {

                        panelNameFile = new JPanel();

                        panelNameFile.add(getLabelFilename());

                        panelNameFile.add(getFilenameTextField());

                        updateNewLayerText();

                }

                return panelNameFile;

        }

        private JLabel getLabelFilename() {

                if (labelFilename == null) {

                        labelFilename = new JLabel();

                }

                return labelFilename;

        }

        /**

         * Establece si esta habilitado o no el cuadro de texto de entrada de nombre de

         * fichero

         * @param value

         */

        public void setFilenameEnabled(boolean value) {

                getFilenameTextField().setEnabled(value);

                getLabelFilename().setEnabled(value);

        }

        /**

         * Poner los estados de los RadioButton en caso de que cambien de valor

         * @param evt

         */

        protected void jRBOpenMemoryStateChanged(ItemEvent evt) {

                if (getRadioOpenMemory().getSelectedObjects() != null) {

                        setFilenameEnabled(true);

                } else {

                        setFilenameEnabled(false);

                }

        }

        /**

         * Especificar el nombre de la nueva capa para el recuadro de texto asignando

         * en cada llamada un nombre consecutivo.

         */

        public void updateNewLayerText() {

                getFilenameTextField().setText(fileUtil.getOnlyLayerName());

        }

        /**

         * Establece el texto de la etiqueta del nombre de fichero

         * @param text

         */

        public void setLabelFilename(String text) {

                getLabelFilename().setText(text);

        }

        /**

         * Asigna un valor para el par?metro que informa de si el raster de salida hay

         * que comprimirlo o no. Este valor es necesario cuando el raster de salida

         * es mayor de 4G ya que no se puede crear un tiff tan grande.

         * @param compress true para comprimir el raster de salida y false para no hacerlo.

         */

        public void setCompress(boolean compress) {

                this.compress = compress;

        }

        /**

         * Devuelve la ruta del fichero donde se va a guardar, en caso de guardarse

         * en memoria, calcula el nombre sin preguntar y devuelve la ruta.

         * @return

         */

        public String getFileSelected() {

                String path = "";

                if (getRadioFileGenerate().isSelected()) {

                        JFileChooser chooser = new JFileChooser("NEW_LAYER_RASTER_PANEL", JFileChooser.getLastPath("NEW_LAYER_RASTER_PANEL", null));

                        chooser.setDialogTitle(PluginServices.getText(this, "seleccionar_fichero"));

                        // A?adimos las extensiones que hayan sido registradas en el driver

                        ArrayList<String> extList = new ArrayList<String>();

                        try {

                                extList = RasterLocator.getManager().getProviderServices().getExtensionsSupported(

                                                        lyr.getDataStore().getDataType()[0], 

                                                        lyr.getDataStore().getBandCount());

                        } catch (RasterDriverException e2) {

                                RasterSwingLibrary.messageBoxError("error_extensiones_soportadas", chooser, e2);

                                return null;

                        }

                        FileFilter selected = null;

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

                                FileFilter filter = new ExtendedFileFilter((String) extList.get(i));

                                if (extList.get(i).equals("tif")) {

                                        selected = filter;

                                }

                                chooser.addChoosableFileFilter(filter);

                        }

                        if (selected != null)

                                chooser.setFileFilter(selected);

                        // Cargamos el panel de propiedades en el selector

                        chooser.setAcceptAllFileFilterUsed(false);

                        IWindow w = PluginServices.getMDIManager().getActiveWindow();

                        if (!(w instanceof Component))

                                w = null;

                         if (chooser.showSaveDialog((Component) w) != JFileChooser.APPROVE_OPTION)

                                 return null;

                        JFileChooser.setLastPath("NEW_LAYER_RASTER_PANEL", chooser.getSelectedFile());

                        ExtendedFileFilter fileFilter = (ExtendedFileFilter) chooser.getFileFilter();

                        path = fileFilter.getNormalizedFilename(chooser.getSelectedFile());

                } else {

                        String file = getFilenameTextField().getText();

                        if (file.compareTo(fileUtil.getOnlyLayerName()) == 0)

                                fileUtil.usesOnlyLayerName();

                        if (!compress)

                                path = Utilities.createTempDirectory() + File.separator + file + ".tif";

                        else

                                path = Utilities.createTempDirectory() + File.separator + file + ".jp2";

                        updateNewLayerText();

                }

                return path;

        }

        /**

         * Cuando alguien ha cambiado la propiedad del nombre de la

         * capa se actualiza autom?ticamente

         */

        public void actionValueChanged(PropertyEvent e) {

                updateNewLayerText();

        }

}