| 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.

 */

package org.gvsig.rastertools.properties.panels;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.text.NumberFormat;

import javax.swing.DefaultComboBoxModel;

import javax.swing.JButton;

import javax.swing.JComboBox;

import javax.swing.JFormattedTextField;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.text.DefaultFormatterFactory;

import javax.swing.text.NumberFormatter;

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

import org.gvsig.raster.dataset.io.rmf.RmfBlocksManager;

import org.gvsig.raster.datastruct.serializer.NoDataRmfSerializer;

import org.gvsig.raster.hierarchy.IRasterProperties;

import org.gvsig.raster.util.PanelBase;

import org.gvsig.rastertools.Configuration;

import org.gvsig.rastertools.ConfigurationEvent;

import org.gvsig.rastertools.ConfigurationListener;

import org.gvsig.rastertools.properties.panels.interfaces.INoDataPanel;

/**

 * Panel para la gestion del valor NoData en el panel de propiedades

 *

 * @version 18/12/2007

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

 */

public class NoDataPanel extends PanelBase implements ItemListener, ConfigurationListener, ActionListener {

        private static final long serialVersionUID = 7645641060812458944L;

        private JLabel              jLabelValue       = null;

        private JComboBox           jComboBoxSetup    = null;

        private JButton             buttonSaveDefault = null;

        private JFormattedTextField jTextFieldValue   = null;

        private INoDataPanel        noDataPanel       = null;

        private IRasterProperties   layer             = null;

        public NoDataPanel(INoDataPanel noDataPanel) {

                initialize();

                translate();

                this.noDataPanel = noDataPanel;

                Configuration.addValueChangedListener(this);

                setEnabledComponents(false);

        }

        private JComboBox getComboBoxSetup() {

                if (jComboBoxSetup == null) {

                        jComboBoxSetup = new JComboBox();

                        jComboBoxSetup.addItemListener(this);

                }

                return jComboBoxSetup;

        }

        private void translate() {

                getButtonSaveDefault().setText(getText(this, "guardar_predeterminado"));

                getComboBoxSetup().setModel(new DefaultComboBoxModel(new String[] { getText(this, "global"), getText(this, "capa"), getText(this, "personalizado") }));

                getLabelValue().setText(getText(this, "value") + ":");

        }

        private JButton getButtonSaveDefault() {

                if (buttonSaveDefault == null) {

                        buttonSaveDefault = new JButton();

                        buttonSaveDefault.addActionListener(this);

                }

                return buttonSaveDefault;

        }

        private JFormattedTextField getTextFieldValue() {

                if (jTextFieldValue == null) {

                        NumberFormat integerFormat = NumberFormat.getNumberInstance();

                        integerFormat.setParseIntegerOnly(false);

                        integerFormat.setMinimumFractionDigits(0);

                        integerFormat.setMaximumFractionDigits(3);

                        jTextFieldValue = new JFormattedTextField(new DefaultFormatterFactory(

                                        new NumberFormatter(integerFormat),

                                        new NumberFormatter(integerFormat),

                                        new NumberFormatter(integerFormat)));

                }

                return jTextFieldValue;

        }

        private JLabel getLabelValue() {

                if (jLabelValue == null) {

                        jLabelValue = new JLabel();

                }

                return jLabelValue;

        }

        private void initialize() {

                GridBagConstraints gridBagConstraints;

                getPanel().setLayout(new GridBagLayout());

                int col = 0;

                gridBagConstraints = new GridBagConstraints();

                gridBagConstraints.gridx = col;

                gridBagConstraints.gridy = 0;

                gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

                gridBagConstraints.weightx = 1.0;

                gridBagConstraints.insets = new Insets(5, 5, 5, 2);

                getPanel().add(getComboBoxSetup(), gridBagConstraints);

                col++;

                gridBagConstraints = new GridBagConstraints();

                gridBagConstraints.gridx = col;

                gridBagConstraints.gridy = 0;

                gridBagConstraints.insets = new Insets(5, 2, 5, 2);

                getPanel().add(getLabelValue(), gridBagConstraints);

                col++;

                gridBagConstraints = new GridBagConstraints();

                gridBagConstraints.gridx = col;

                gridBagConstraints.gridy = 0;

                gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

                gridBagConstraints.weightx = 1.0;

                gridBagConstraints.insets = new Insets(5, 2, 5, 2);

                getPanel().add(getTextFieldValue(), gridBagConstraints);

                col++;

                gridBagConstraints = new GridBagConstraints();

                gridBagConstraints.gridx = col;

                gridBagConstraints.gridy = 0;

                gridBagConstraints.insets = new Insets(5, 2, 5, 5);

                getPanel().add(getButtonSaveDefault(), gridBagConstraints);

                getPanel().setVisible(Configuration.getValue("nodata_transparency_enabled", Boolean.FALSE).booleanValue());

        }

        /*

         * (non-Javadoc)

         * @see java.awt.event.ItemListener#itemStateChanged(java.awt.event.ItemEvent)

         */

        public void itemStateChanged(ItemEvent e) {

                if (e.getStateChange() == ItemEvent.SELECTED) {

                        if (e.getSource() == getComboBoxSetup()) {

                                noDataPanel.SourceStateChanged(this, getComboBoxSetup().getSelectedIndex());

                                return;

                        }

                }

        }

        public void setComboValueSetup(int pos) {

                getComboBoxSetup().setSelectedIndex(pos);

                setEnabledComponents(pos == 2);

        }

        public void setEnabledComponents(boolean b) {

                getTextFieldValue().setEnabled(b);

                getLabelValue().setEnabled(b);

        }

        public void setNoDataValue(double value) {

                getTextFieldValue().setValue(Double.valueOf(value));

        }

        public double getNoDataValue() {

                return Double.valueOf(getTextFieldValue().getValue().toString()).doubleValue();

        }

        public int getComboSetupIndex() {

                return getComboBoxSetup().getSelectedIndex();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.raster.util.ConfigurationListener#actionConfigurationChanged(org.gvsig.fmap.raster.util.ConfigurationEvent)

         */

        public void actionConfigurationChanged(ConfigurationEvent e) {

                if (e.getKey().equals("nodata_transparency_enabled")) {

                        getPanel().setVisible(((Boolean) e.getValue()).booleanValue());

                }

                if (e.getKey().equals("nodata_value")) {

                        if (getComboSetupIndex() == 0)

                                setNoDataValue(((Double) e.getValue()).doubleValue());

                }

        }

        public void actionPerformed(ActionEvent e) {

                if (e.getSource() == getButtonSaveDefault()) {

                        saveToRmf();

                        return;

                }

        }

        /**

         * Aqui se definen los parametros iniciales para la transparencia del panel

         * @param t

         */

        public void setLayer(IRasterProperties layer) {

                this.layer = layer;

                setComboValueSetup(((FLyrRasterSE) layer).getNoDataType());

                setNoDataValue(((FLyrRasterSE) layer).getNoDataValue());

        }

        /**

         * Salva el valor NoData al fichero rmf.

         * @param fName

         * @throws IOException

         */

        private void saveToRmf() {

                if (JOptionPane.YES_OPTION == JOptionPane.showConfirmDialog(getPanel(), getText(this, "nodata_modificado_continuar"))) {

                        RmfBlocksManager manager = ((FLyrRasterSE) layer).getDataSource().getDataset(0)[0].getRmfBlocksManager();

                        NoDataRmfSerializer ser;

                        ser = new NoDataRmfSerializer(Double.valueOf(getNoDataValue()));

                        if (!manager.checkRmf())

                                return;

                        manager.addClient(ser);

                        try {

                                manager.write(true);

                        } catch (FileNotFoundException e) {

                        } catch (IOException e) {

                        }

                        manager.removeClient(ser.getClass());

                }

        }

}