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.tools.app.basic.tool.properties.panel;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Dimension;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.text.NumberFormat;

import javax.swing.BorderFactory;

import javax.swing.JButton;

import javax.swing.JCheckBox;

import javax.swing.JEditorPane;

import javax.swing.JFormattedTextField;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.border.TitledBorder;

import javax.swing.text.DefaultFormatterFactory;

import javax.swing.text.NumberFormatter;

import org.gvsig.andami.PluginServices;

import org.gvsig.fmap.dal.coverage.store.props.Statistics;

import org.gvsig.gui.beans.panelGroup.panels.AbstractPanel;

import org.gvsig.i18n.Messages;

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

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

import org.gvsig.raster.mainplugin.properties.RasterPropertiesTocMenuEntry;

import org.gvsig.raster.tools.app.basic.RasterToolsUtil;

import org.gvsig.raster.tools.app.basic.raster.process.IProcessActions;

import org.gvsig.raster.tools.app.basic.raster.process.RasterProcess;

import org.gvsig.raster.tools.app.basic.raster.process.StatisticsProcess;

/**

 * Main panel of Properties window. This panel contains general options.

 *

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class GeneralPanel extends AbstractPanel implements ActionListener, IProcessActions {

        private static final long   serialVersionUID = -4761218260868307869L;

        private FLyrRaster          fLayer              = null;

        private JLabel              labelNotShowLayer   = null;

        private JLabel              labelMinim          = null;

        private JLabel              labelMaxim          = null;

        private JCheckBox           checkBoxMinim       = null;

        private JCheckBox           checkBoxMaxim       = null;

        private JFormattedTextField textFieldMinim      = null;

        private JFormattedTextField textFieldMaxim      = null;

        private NumberFormat        doubleDisplayFormat = null;

        private NumberFormat        doubleEditFormat    = null;

        private double              initMaxScale        = -1;

        private double              initMinScale        = -1;

        private JButton             calcButton          = null;

        private JPanel              scalePanel          = null;

        private JPanel              recalcStatsPanel    = null;

        private NoDataPanel      pNoDataPanel        = null;

        //private Transparency        transparency        = null;

        private JScrollPane         jScrollPane         = null;

        private JEditorPane         jEditorPane         = null;

        private final String        bgColor0            = "\"#FEEDD6\""; // light salmon

        private final String        bgColor1            = "\"#EAEAEA\""; // light grey

        private final String        bgColor3            = "\"#FBFFE1\""; // light yellow

        private final String        bgColor4            = "\"#D6D6D6\""; // Gris

        /**

         * Booleano que est? a true cuando la fila a dibujar es par y a false cuando

         * es impar.

         */

        private boolean             rowColor            = true;

        /**

         * Constructor del GeneralPanel

         */

        public GeneralPanel() {

                super();

                setUpFormats();

                initialize();

                translate();

        }

        /**

         * Create and set up number formats. These objects also parse numbers input by

         * user.

         */

        private void setUpFormats() {

                doubleDisplayFormat = NumberFormat.getNumberInstance();

                doubleDisplayFormat.setMinimumFractionDigits(0);

                doubleEditFormat = NumberFormat.getNumberInstance();

        }

        /**

         * Asigna todos los textos del panel en su idioma correspondiente

         */

        private void translate() {

                getJLabelNotShowLayer().setText(PluginServices.getText(this, "no_mostrar_la_capa_cuando_la_escala_sea") + ":");

                getJLabelMinim().setText("(" + PluginServices.getText(this, "escala_maxima") + ")");

                getJLabelMaxim().setText("(" + PluginServices.getText(this, "escala_minima") + ")");

                getJCheckBoxMinim().setText(PluginServices.getText(this, "mayor_de") + " 1:");

                getJCheckBoxMaxim().setText(PluginServices.getText(this, "menor_de") + " 1:");

                getScalePanel().setBorder(BorderFactory.createTitledBorder(PluginServices.getText(this, "rango_de_escalas")));

                getRecalcStatsPanel().setBorder(BorderFactory.createTitledBorder(PluginServices.getText(this, "stats")));

                setLabel(PluginServices.getText(this, "general"));

        }

        /**

         * Construye el panel

         */

        protected void initialize() {

                GridBagConstraints gridBagConstraints;

                setLayout(new GridBagLayout());

                gridBagConstraints = new java.awt.GridBagConstraints();

                gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;

                gridBagConstraints.weightx = 1.0;

                add(getScalePanel(), gridBagConstraints);

                gridBagConstraints = new java.awt.GridBagConstraints();

                gridBagConstraints.gridx = 0;

                gridBagConstraints.gridy = 1;

                gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;

                add(getNoDataPanel(), gridBagConstraints);

                gridBagConstraints = new java.awt.GridBagConstraints();

                gridBagConstraints.gridx = 0;

                gridBagConstraints.gridy = 2;

                gridBagConstraints.weighty = 1.0;

                gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;

                add(getRecalcStatsPanel(), gridBagConstraints);

                this.setPreferredSize(new Dimension(100, 80));

                this.setPriority(90);

        }

        private void actionEnabled() {

                IRasterLayerActions actions = null;

                if(fLayer instanceof IRasterLayerActions)

                        actions = ((IRasterLayerActions) fLayer);

                if (!actions.isActionEnabled(IRasterLayerActions.STATS))

                        getRecalcStatsPanel().setVisible(false);

                if (!actions.isActionEnabled(IRasterLayerActions.NODATA))

                        getNoDataPanel().setVisible(false);

        }

        /**

         * This method initializes TranspOpacitySliderPanel

         * @return javax.swing.JPanel

         */

        public NoDataPanel getNoDataPanel() {

                if (pNoDataPanel == null) {

                        pNoDataPanel = new NoDataPanel();

                        pNoDataPanel.setBorder(BorderFactory.createTitledBorder(null, PluginServices.getText(this, "nodata"), TitledBorder.DEFAULT_JUSTIFICATION, TitledBorder.DEFAULT_POSITION, null, null));

                }

                return pNoDataPanel;

        }

        public JPanel getScalePanel() {

                if (scalePanel == null) {

                        scalePanel = new JPanel();

                        scalePanel.setLayout(new GridBagLayout());

                        GridBagConstraints gridBagConstraints;

                        int y = 0;

                        gridBagConstraints = new GridBagConstraints();

                        gridBagConstraints.gridx = 0;

                        gridBagConstraints.gridy = y;

                        gridBagConstraints.gridwidth = 3;

                        gridBagConstraints.anchor = GridBagConstraints.WEST;

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

                        scalePanel.add(getJLabelNotShowLayer(), gridBagConstraints);

                        y++;

                        gridBagConstraints = new GridBagConstraints();

                        gridBagConstraints.gridx = 0;

                        gridBagConstraints.gridy = y;

                        gridBagConstraints.insets = new Insets(2, 2, 2, 0);

                        gridBagConstraints.anchor = GridBagConstraints.WEST;

                        scalePanel.add(getJCheckBoxMinim(), gridBagConstraints);

                        gridBagConstraints = new GridBagConstraints();

                        gridBagConstraints.gridx = 1;

                        gridBagConstraints.gridy = y;

                        gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

                        gridBagConstraints.weightx = 1.0;

                        gridBagConstraints.insets = new Insets(2, 0, 2, 2);

                        scalePanel.add(getJTextFieldMinim(), gridBagConstraints);

                        gridBagConstraints = new GridBagConstraints();

                        gridBagConstraints.gridx = 2;

                        gridBagConstraints.gridy = y;

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

                        gridBagConstraints.anchor = GridBagConstraints.WEST;

                        scalePanel.add(getJLabelMinim(), gridBagConstraints);

                        y++;

                        gridBagConstraints = new GridBagConstraints();

                        gridBagConstraints.gridx = 0;

                        gridBagConstraints.gridy = y;

                        gridBagConstraints.insets = new Insets(2, 2, 2, 0);

                        gridBagConstraints.anchor = GridBagConstraints.WEST;

                        scalePanel.add(getJCheckBoxMaxim(), gridBagConstraints);

                        gridBagConstraints = new GridBagConstraints();

                        gridBagConstraints.gridx = 1;

                        gridBagConstraints.gridy = y;

                        gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

                        gridBagConstraints.weightx = 1.0;

                        gridBagConstraints.insets = new Insets(2, 0, 2, 2);

                        scalePanel.add(getJTextFieldMaxim(), gridBagConstraints);

                        gridBagConstraints = new GridBagConstraints();

                        gridBagConstraints.gridx = 2;

                        gridBagConstraints.gridy = y;

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

                        gridBagConstraints.anchor = GridBagConstraints.WEST;

                        scalePanel.add(getJLabelMaxim(), gridBagConstraints);

                        y++;

                        gridBagConstraints = new GridBagConstraints();

                        gridBagConstraints.gridx = 0;

                        gridBagConstraints.gridy = y;

                        gridBagConstraints.gridwidth = 3;

                        gridBagConstraints.fill = GridBagConstraints.BOTH;

                        gridBagConstraints.weightx = 1.0;

                        gridBagConstraints.weighty = 1.0;

                        JPanel emptyPanel = new JPanel();

                        emptyPanel.setMinimumSize(new Dimension(0, 0));

                        scalePanel.add(emptyPanel, gridBagConstraints);

                }

                return scalePanel;

        }

        public JPanel getRecalcStatsPanel() {

                if (recalcStatsPanel == null) {

                        recalcStatsPanel = new JPanel();

                        recalcStatsPanel.setLayout(new BorderLayout(5, 5));

                        recalcStatsPanel.add(getJScrollPane(), BorderLayout.CENTER);

                        recalcStatsPanel.add(getCalcStatsButton(), BorderLayout.SOUTH);

                }

                return recalcStatsPanel;

        }

        /**

         * Bot?n para recalcular las estadisticas.

         * @return JButton

         */

        public JButton getCalcStatsButton() {

                if(calcButton == null) {

                        calcButton = new JButton(RasterToolsUtil.getText(this, "recalc_stats"));

                        calcButton.addActionListener(this);

                }

                return calcButton;

        }

        private JLabel getJLabelNotShowLayer() {

                if (labelNotShowLayer == null) {

                        labelNotShowLayer = new JLabel();

                }

                return labelNotShowLayer;

        }

        private JFormattedTextField getJTextFieldMinim() {

                if (textFieldMinim == null) {

                        textFieldMinim = new JFormattedTextField(new DefaultFormatterFactory(

                                        new NumberFormatter(doubleDisplayFormat),

                                        new NumberFormatter(doubleDisplayFormat),

                                        new NumberFormatter(doubleEditFormat)));

                        textFieldMinim.setEnabled(false);

                        textFieldMinim.setBackground(getBackground());

                }

                return textFieldMinim;

        }

        private JFormattedTextField getJTextFieldMaxim() {

                if (textFieldMaxim == null) {

                        textFieldMaxim = new JFormattedTextField(new DefaultFormatterFactory(

                                        new NumberFormatter(doubleDisplayFormat),

                                        new NumberFormatter(doubleDisplayFormat),

                                        new NumberFormatter(doubleEditFormat)));

                        textFieldMaxim.setEnabled(false);

                        textFieldMaxim.setBackground(getBackground());

                }

                return textFieldMaxim;

        }

        private JCheckBox getJCheckBoxMinim() {

                if (checkBoxMinim == null) {

                        checkBoxMinim = new JCheckBox();

                        checkBoxMinim.addActionListener(this);

                        checkBoxMinim.setBorder(javax.swing.BorderFactory.createEmptyBorder(0, 0, 0, 0));

                        checkBoxMinim.setMargin(new java.awt.Insets(0, 0, 0, 0));

                }

                return checkBoxMinim;

        }

        private JLabel getJLabelMinim() {

                if (labelMinim == null) {

                        labelMinim = new JLabel();

                        labelMinim.setEnabled(false);

                }

                return labelMinim;

        }

        private JCheckBox getJCheckBoxMaxim() {

                if (checkBoxMaxim == null) {

                        checkBoxMaxim = new JCheckBox();

                        checkBoxMaxim.addActionListener(this);

                        checkBoxMaxim.setBorder(javax.swing.BorderFactory.createEmptyBorder(0, 0, 0, 0));

                        checkBoxMaxim.setMargin(new java.awt.Insets(0, 0, 0, 0));

                }

                return checkBoxMaxim;

        }

        private JLabel getJLabelMaxim() {

                if (labelMaxim == null) {

                        labelMaxim = new JLabel();

                        labelMaxim.setEnabled(false);

                }

                return labelMaxim;

        }

        /*

         * (non-Javadoc)

         * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)

         */

        public void actionPerformed(ActionEvent e) {

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

                        boolean enabled = getJCheckBoxMinim().isSelected();

                        getJLabelMinim().setEnabled(enabled);

                        getJTextFieldMinim().setEnabled(enabled);

                        getJTextFieldMinim().setBackground(enabled?Color.white: getBackground());

                }

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

                        RasterProcess process = new StatisticsProcess();

                        process.addParam("layer", fLayer);

                        process.addParam("force", new Boolean(true));

                        process.setActions(this);

                        process.start();

                }

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

                        boolean enabled = getJCheckBoxMaxim().isSelected();

                        getJLabelMaxim().setEnabled(enabled);

                        getJTextFieldMaxim().setEnabled(enabled);

                        getJTextFieldMaxim().setBackground(enabled?Color.white: getBackground());

                }

        }

        /**

         * Controla la alternatividad de colores en la tabla.

         *

         * @return Cadena con el color de la fila siguiente.

         */

        private String getColor() {

                String color = (rowColor ? bgColor0 : bgColor1);

                rowColor = !rowColor;

                return color;

        }

        /**

         * Obtiene una entrada de la tabla en formato HTML a partir de una propiedad,

         * un valor y un color.

         *

         * @param prop

         *          Nombre de la propiedad

         * @param value

         *          Valor

         * @param color

         *          Color

         *

         * @return Entrada HTML de la tabla

         */

        private String setHTMLBasicProperty(String prop, String value) {

                String content = "<tr valign=\"top\">";

                if (prop != null)

                        content += "<td bgcolor=" + bgColor4 + "align=\"right\" width=\"140\"><font face=\"Arial\" size=\"3\">" + prop + ":&nbsp;</font></td>";

                content += "<td bgcolor=" + getColor() + "align=\"left\"><font face=\"Arial\" size=\"3\">" + value + "</font></td>";

                content += "</tr>";

                return content;

        }

        /**

         * Obtiene una cabecera de tabla en formato HTML a partir de un titulo.

         *

         * @param title

         *          Nombre del titulo

         * @param colspan

         *          Numero de celdas que ocupara el titulo

         *

         * @return Entrada HTML del titulo

         */

        private String setHTMLTitleTable(String title, int colspan) {

                return

                        "<tr valign=\"middle\" >" +

                        "<td bgcolor=" + bgColor3 + " align=\"center\" colspan=\"" + colspan + "\"><font face=\"Arial\" size=\"3\"><b> " + title + "</b></font></td>" +

                        "</tr>";

        }

        /**

         * Obtiene una cabecera de tabla en formato HTML a partir de un titulo.

         *

         * @param content

         *          Codigo HTML de las filas que componen la tabla.

         *

         * @return Entrada HTML de la tabla completa

         */

        private String setHTMLTable(String content) {

                return "<table cellpadding=\"0\" cellspacing=\"0\" align=\"center\" width=\"100%\">" + content + "</table>";

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gui.beans.panelGroup.panels.AbstractPanel#setReference(java.lang.Object)

         */

        public void setReference(Object ref) {

                super.setReference(ref);

                if (!(ref instanceof FLyrRaster))

                        return;

                fLayer = (FLyrRaster) ref;

                actionEnabled();

                getNoDataPanel().setLayer(fLayer);

                if (fLayer.getMaxScale() != -1) {

                        initMaxScale = fLayer.getMaxScale();

                        getJTextFieldMaxim().setValue(

                                        Double.valueOf(fLayer.getMaxScale()));

                        getJCheckBoxMaxim().setSelected(true);

                        getJLabelMaxim().setEnabled(true);

                        getJTextFieldMaxim().setEnabled(true);

                        getJTextFieldMaxim().setBackground(Color.WHITE);

                }

                if (fLayer.getMinScale() != -1) {

                        initMinScale = fLayer.getMinScale();

                        getJTextFieldMinim().setValue(

                                        Double.valueOf(fLayer.getMinScale()));

                        getJCheckBoxMinim().setSelected(true);

                        getJLabelMinim().setEnabled(true);

                        getJTextFieldMinim().setEnabled(true);

                        getJTextFieldMinim().setBackground(Color.WHITE);

                }

                refreshHTMLStatistics();

                setValuesFromPanelToTransparency();

        }

        /**

         * Refresca el HTML del cuadro de texto de las estadisticas de todas las capas

         */

        private void refreshHTMLStatistics() {

                String html = "";

                Statistics statistics = null;

                statistics = fLayer.getDataStore().getStatistics();

                if(statistics == null)

                        return;

                if (statistics.isCalculated()) {

                        double[] maxRGB = statistics.getMaxByteUnsigned();

                        double[] max = statistics.getMax();

                        double[] minRGB = statistics.getMinByteUnsigned();

                        double[] min = statistics.getMin();

                        double[] variance = statistics.getVariance();

                        double[] mean = statistics.getMean();

                        if(max != null) {

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

                                        html += setHTMLTitleTable(Messages.getText("band") + " " + (i + 1), 2);

                                        html += setHTMLBasicProperty(Messages.getText("minimo"), Double.valueOf(min[i]).toString());

                                        html += setHTMLBasicProperty(Messages.getText("maximo"), Double.valueOf(max[i]).toString());

                                        html += setHTMLBasicProperty(Messages.getText("minimoRGB"), Double.valueOf(minRGB[i]).toString());

                                        html += setHTMLBasicProperty(Messages.getText("maximoRGB"), Double.valueOf(maxRGB[i]).toString());

                                        html += setHTMLBasicProperty(Messages.getText("media"), Double.valueOf(mean[i]).toString());

                                        html += setHTMLBasicProperty(Messages.getText("varianza"), Double.valueOf(variance[i]).toString());

                                }

                        }

                        html = setHTMLTable(html);

                } else {

                        html += setHTMLTitleTable(Messages.getText("no_statistics_computed"), 2);

                        html = setHTMLTable(html);

                }

                getJEditorStatsPanel().setText(html);

                getJEditorStatsPanel().setCaretPosition(0);

        }

        /**

         * This method initializes jScrollPane

         *

         * @return javax.swing.JScrollPane

         */

        private JScrollPane getJScrollPane() {

                if (jScrollPane == null) {

                        jScrollPane = new JScrollPane();

                        jScrollPane.setViewportView(getJEditorStatsPanel());

                }

                return jScrollPane;

        }

        /**

         * This method initializes jEditorPane

         *

         * @return javax.swing.JEditorPane

         */

        private JEditorPane getJEditorStatsPanel() {

                if (jEditorPane == null) {

                        jEditorPane = new JEditorPane();

                        jEditorPane.setEditable(false);

                        jEditorPane.setContentType("text/html");

                }

                return jEditorPane;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.gui.properties.dialog.IRegistrablePanel#accept()

         */

        public void accept() {

                onlyApply();

        }

        /**

         * Asigna los valores del panel a la transparencia de la capa.

         */

        private void setValuesFromPanelToTransparency() {

                if (fLayer == null || fLayer.getDataStore() == null)

                        return;

                fLayer.setNoDataTransparent(getNoDataPanel().getCheckBoxNoDataEnabled().isSelected());

                // Redibujamos

                fLayer.getMapContext().invalidate();

        }

        /**

         * Aplica el estado del panel a la capa.

         */

        public void onlyApply() {

                if (RasterPropertiesTocMenuEntry.enableEvents)

                        setValuesFromPanelToTransparency();

                if (fLayer == null)

                        return;

                double maxScale = -1;

                double minScale = -1;

                if (getJCheckBoxMaxim().isSelected() && getJTextFieldMaxim().getValue() != null)

                        maxScale = ((Number) getJTextFieldMaxim().getValue()).doubleValue();

                if (getJCheckBoxMinim().isSelected() && getJTextFieldMinim().getValue() != null)

                        minScale = ((Number) getJTextFieldMinim().getValue()).doubleValue();

                fLayer.setMaxScale(maxScale);

                fLayer.setMinScale(minScale);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.gui.properties.dialog.IRegistrablePanel#apply()

         */

        public void apply() {

                onlyApply();

        }

        /**

         * Restaura los valores de la capa conforme estaba al abrir el panel

         */

        public void restoreStatus() {

                //fLayer.setNoDataValue(((Double) getPanelGroup().getProperties().get("nodatavalue")).doubleValue());

                fLayer.setMaxScale(initMaxScale);

                fLayer.setMinScale(initMinScale);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.gui.properties.dialog.IRegistrablePanel#cancel()

         */

        public void cancel() {

                restoreStatus();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.IProcessActions#end(java.lang.Object)

         */

        public void end(Object param) {

                refreshHTMLStatistics();

        }

        public void selected() {}

        public void interrupted() {}

}