Application: gvSIG desktop

/*

 * Created on 31-ene-2005

 *

 * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 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.project.documents.view.legend.gui;

import java.awt.BorderLayout;

import java.awt.ComponentOrientation;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.awt.SystemColor;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.geom.Rectangle2D;

import java.text.NumberFormat;

import java.text.ParseException;

import javax.swing.BorderFactory;

import javax.swing.ButtonGroup;

import javax.swing.JCheckBox;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JRadioButton;

import javax.swing.JScrollPane;

import javax.swing.JTextArea;

import javax.swing.JTextField;

import javax.swing.border.BevelBorder;

import javax.swing.border.EtchedBorder;

import javax.swing.border.TitledBorder;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

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

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

import com.hardcode.driverManager.Driver;

import com.hardcode.gdbms.driver.exceptions.ReadDriverException;

import com.hardcode.gdbms.engine.data.driver.DriverException;

import com.iver.andami.PluginServices;

import com.iver.andami.messages.NotificationManager;

import com.iver.cit.gvsig.fmap.drivers.DBLayerDefinition;

import com.iver.cit.gvsig.fmap.drivers.DriverIOException;

import com.iver.cit.gvsig.fmap.edition.VectorialEditableAdapter;

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

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

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

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

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

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

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

import com.iver.cit.gvsig.project.documents.view.legend.CreateSpatialIndexMonitorableTask;

import com.iver.utiles.swing.threads.IMonitorableTask;

/**

 * This class implements an useful and intuitive graphic interface to change some

 * properties of the layer. This class extends AbstractThemeManager. The properties

 * that allow modified are the name of the layer, the scale, if the user want to use

 * Spatial index or not and the HyperLink. Also shows a scroll with a little resume

 * with the properties of the layer.

 * @author jmorell

 *

 */

public class General extends AbstractThemeManagerPage {

        private static final long serialVersionUID = 1L;

    private FLayer layer;

    private NumberFormat nf = NumberFormat.getInstance();

        private JPanel pnlLayerName = null;

        private GridBagLayoutPanel pnlScale = null;

        private JPanel pnlProperties = null;

        private JLabel lblLayerName = null;

        private JTextField txtLayerName = null;

        private JTextField txtMaxScale = null;

        private JTextArea propertiesTextArea = null;

        private JRadioButton rdBtnShowAlways = null;

        private JRadioButton rdBtnDoNotShow = null;

        private JTextField txtMinScale = null;

    private JCheckBox jCheckBoxSpatialIndex = null;

    private JScrollPane scrlProperties;

        public General() {

                super();

                initialize();

        }

        private  void initialize() {

                this.setLayout(new BorderLayout());

                GridBagLayoutPanel aux = new GridBagLayoutPanel();

                aux.addComponent(getPnlLayerName());

                aux.addComponent(new JBlank(10, 10));

                aux.addComponent(getJCheckBoxSpatialIndex());

                aux.addComponent("", getPnlScale());

                aux.addComponent("", getPnlProperties());

                aux.setPreferredSize(getPreferredSize());

                this.add(aux, BorderLayout.CENTER);

                this.add(new JBlank(5, 10), BorderLayout.WEST);

                this.add(new JBlank(5, 10), BorderLayout.EAST);

        }

        /**

         * Sets the necessary properties in the panel. This properties are

         * extracted from the layer. With this properties fills the TextFields,

         * ComboBoxes and the rest of GUI components.

         * @param FLayer layer,

         */

        public void setModel(FLayer layer) {

                this.layer = layer;

        if (layer instanceof FLyrVect) {

            FLyrVect lyrVect = (FLyrVect) layer;

            if(lyrVect.getISpatialIndex() == null) {

                getJCheckBoxSpatialIndex().setSelected(false);

            } else {

                getJCheckBoxSpatialIndex().setSelected(true);

            }

        }

                if (layer.getMinScale() != -1)

                    getTxtMaxScale().setText(nf.format(layer.getMinScale()));

                if (layer.getMaxScale() != -1)

                    getTxtMinScale().setText(nf.format(layer.getMaxScale()));

                if (layer.getMinScale() == -1 && layer.getMaxScale() == -1) {

                        getRdBtnShowAlways().setSelected(true);

                        txtMaxScale.setEnabled(false);

                        txtMinScale.setEnabled(false);

                } else {

                        getRdBtnDoNotShowWhen().setSelected(true);

                        txtMaxScale.setEnabled(true);

                        txtMinScale.setEnabled(true);

                }

                txtLayerName.setText(layer.getName());

                showLayerInfo();

    }

        private JPanel getPnlLayerName() {

                if (pnlLayerName == null) {

                        lblLayerName = new JLabel();

                        pnlLayerName = new JPanel();

                        lblLayerName.setText(PluginServices.getText(this,"Nombre") + ":");

                        lblLayerName.setComponentOrientation(ComponentOrientation.UNKNOWN);

                        pnlLayerName.setComponentOrientation(ComponentOrientation.UNKNOWN);

                        pnlLayerName.add(lblLayerName, null);

                        pnlLayerName.add(getTxtLayerName(), null);

                }

                return pnlLayerName;

        }

        private GridBagLayoutPanel getPnlScale() {

                if (pnlScale == null) {

                        pnlScale = new GridBagLayoutPanel();

                        pnlScale.setBorder(BorderFactory.createTitledBorder(

                                    BorderFactory.createEtchedBorder(EtchedBorder.LOWERED),

                                        PluginServices.getText(this, "rango_de_escalas"),

                                        TitledBorder.DEFAULT_JUSTIFICATION,

                                        TitledBorder.DEFAULT_POSITION, null, null)

                                );

                        ButtonGroup buttonGroup = new ButtonGroup();

                        buttonGroup.add(getRdBtnShowAlways());

                        buttonGroup.add(getRdBtnDoNotShowWhen());

                        pnlScale.addComponent(getRdBtnShowAlways());

                        pnlScale.addComponent(getRdBtnDoNotShowWhen());

                        JPanel aux;

                        aux = new JPanel(new FlowLayout(FlowLayout.LEFT));

                        aux.add(getTxtMaxScale());

                        aux.add(new JLabel("(" + PluginServices.getText(this,"escala_maxima") + ")"));

                        GridBagLayoutPanel aux2;

                        aux2 = new GridBagLayoutPanel();

                        aux2.addComponent(PluginServices.getText(

                                        this,"este_por_encima_de")+" 1:",

                                        aux);

                        aux = new JPanel(new FlowLayout(FlowLayout.LEFT));

                        aux.add(getTxtMinScale());

                        aux.add(new JLabel("(" + PluginServices.getText(this,"escala_minima") + ")"));

                        aux2.addComponent(PluginServices.getText(

                                        this,"este_por_debajo_de_")+" 1:",

                                        aux);

                        pnlScale.addComponent(new JBlank(20, 1), aux2);

                        pnlScale.addComponent(new JBlank(20, 1), aux2);

                }

                return pnlScale;

        }

    /**

     * This method initializes pnlProperties, the jpanel which contains the

     * ScrollPane with the properties.

     */

        private JPanel getPnlProperties() {

                if (pnlProperties == null) {

                        pnlProperties = new JPanel(new GridBagLayout());

                        pnlProperties.setBorder(BorderFactory.createTitledBorder(

                                    BorderFactory.createEtchedBorder(EtchedBorder.LOWERED),

                                        PluginServices.getText(this, "propiedades"),

                                        TitledBorder.DEFAULT_JUSTIFICATION,

                                        TitledBorder.DEFAULT_POSITION, null, null)

                                );

                        GridBagConstraints constraints = new GridBagConstraints();

                        constraints.insets = new Insets(5, 5, 5, 5);

            constraints.fill = GridBagConstraints.BOTH;

                        constraints.weightx = 1.0;

                        constraints.weighty = 1.0;

                        pnlProperties.add(getScrlProperties(), constraints);

                }

                return pnlProperties;

        }

        private JTextField getTxtLayerName() {

                if (txtLayerName == null) {

                        txtLayerName = new JTextField(25);

                        txtLayerName.setEditable(true);

                }

                return txtLayerName;

        }

        private JTextField getTxtMaxScale() {

                if (txtMaxScale == null) {

                        txtMaxScale = new JTextField(15);

                        txtMaxScale.setEnabled(false);

                }

                return txtMaxScale;

        }

    /**

     * This method initializes propertiesTextArea, where are display the

     * properties of the layer

     */

        private JTextArea getPropertiesTextArea() {

                if (propertiesTextArea == null) {

                        propertiesTextArea = new JTextArea();

                        propertiesTextArea.setEditable(false);

                        propertiesTextArea.setBackground(SystemColor.control);

                }

                return propertiesTextArea;

        }

        private JScrollPane getScrlProperties() {

                if (scrlProperties == null) {

                        scrlProperties = new JScrollPane();

                        scrlProperties.setViewportView(getPropertiesTextArea());

                        scrlProperties.setBorder(BorderFactory.createBevelBorder(BevelBorder.LOWERED));

                        scrlProperties.setPreferredSize(new Dimension(350, 180));

                }

                return scrlProperties;

        }

        private JRadioButton getRdBtnShowAlways() {

                if (rdBtnShowAlways == null) {

                        rdBtnShowAlways = new JRadioButton();

                        rdBtnShowAlways.setText(PluginServices.getText(this,"Mostrar_siempre"));

                        rdBtnShowAlways.setSelected(true);

                        rdBtnShowAlways.addActionListener(new ActionListener() {

                                public void actionPerformed(ActionEvent e) {

                                        txtMaxScale.setEnabled(false);

                                        txtMinScale.setEnabled(false);

                                }

                        });

                }

                return rdBtnShowAlways;

        }

        private JRadioButton getRdBtnDoNotShowWhen() {

                if (rdBtnDoNotShow == null) {

                        rdBtnDoNotShow = new JRadioButton();

                        rdBtnDoNotShow.setText(PluginServices.getText(this,"No_mostrar_la_capa_cuando_la_escala"));

                        rdBtnDoNotShow.addActionListener(new ActionListener() {

                                public void actionPerformed(ActionEvent e) {

                                        txtMaxScale.setEnabled(true);

                                        txtMinScale.setEnabled(true);

                                }

                        });

                }

                return rdBtnDoNotShow;

        }

        private JTextField getTxtMinScale() {

                if (txtMinScale == null) {

                        txtMinScale = new JTextField(15);

                        txtMinScale.setEnabled(false);

                }

                return txtMinScale;

        }

        private String getLayerName(){

                return txtLayerName.getText().toString();

        }

    private JCheckBox getJCheckBoxSpatialIndex() {

            if (jCheckBoxSpatialIndex == null) {

                    jCheckBoxSpatialIndex = new JCheckBox();

                    jCheckBoxSpatialIndex.setBounds(2, 33, 242, 23);

                    jCheckBoxSpatialIndex.setText(PluginServices.getText(this,"Usar_indice_espacial"));

            }

            return jCheckBoxSpatialIndex;

    }

    private boolean isSpatialIndexSelected() {

        return getJCheckBoxSpatialIndex().isSelected();

    }

    /**

     * Add the information of the layer to the textArea

     */

    private void showLayerInfo() {

                try {

                        String info = ((FLyrDefault)layer).getInfoString();

                        if (info == null) {

                                Rectangle2D fullExtentViewPort = layer.getFullExtent();

                                IProjection viewPortProj = layer.getMapContext().getProjection();

                                info = PluginServices.getText(this,"Extent") + " " +

                                viewPortProj.getAbrev() +

                                " (" + PluginServices.getText(this, "view_projection") + "):\n\t" +

                                PluginServices.getText(this,"Superior") + ":\t" + fullExtentViewPort.getMaxY() + "\n\t" +

                                PluginServices.getText(this,"Inferior") + ":\t" + fullExtentViewPort.getMinY() + "\n\t" +

                                PluginServices.getText(this,"Izquierda") + ":\t" + fullExtentViewPort.getMinX() + "\n\t" +

                                PluginServices.getText(this,"Derecha") + ":\t" + fullExtentViewPort.getMaxX() + "\n";

                                // show layer native projection

                                if (!layer.getProjection().getAbrev().equals(viewPortProj.getAbrev())) {

                                        IProjection nativeLayerProj = layer.getProjection();

                                        ICoordTrans ct = viewPortProj.getCT(nativeLayerProj);

                                        Rectangle2D nativeLayerExtent = ct.convert(fullExtentViewPort);

                                        info += PluginServices.getText(this,"Extent") + " " +

                                        nativeLayerProj.getAbrev() +

                                        " (" + PluginServices.getText(this, "layer_native_projection") + "):\n\t" +

                                        PluginServices.getText(this,"Superior") + ":\t" + nativeLayerExtent.getMaxY() + "\n\t" +

                                        PluginServices.getText(this,"Inferior") + ":\t" + nativeLayerExtent.getMinY() + "\n\t" +

                                        PluginServices.getText(this,"Izquierda") + ":\t" + nativeLayerExtent.getMinX() + "\n\t" +

                                        PluginServices.getText(this,"Derecha") + ":\t" + nativeLayerExtent.getMaxX() + "\n";

                                }

                                if (layer instanceof FLyrVect) {

                                        ReadableVectorial rv=((FLyrVect)layer).getSource();

                                        if (rv instanceof VectorialEditableAdapter) {

                                                rv=((VectorialEditableAdapter) ((FLyrVect)layer).getSource()).getOriginalAdapter();

                                        }

                                        info = info + PluginServices.getText(this,"Origen_de_datos") + ": ";

                                        if (rv instanceof VectorialFileAdapter) {

                                                Driver driver=rv.getDriver();

                                                info = info + "\n" + driver.getName() + "\n" +

                                                PluginServices.getText(this,"fichero") +": " + ((VectorialFileAdapter)rv).getFile();

                                        } else if (rv instanceof VectorialDBAdapter) {

                                                DBLayerDefinition dbdef = ((VectorialDBAdapter) rv).getLyrDef();

                                                info = info + "\n" + rv.getDriver().getName() + "\n";

                                                try {

                                                        info = info +

                                                        PluginServices.getText(this,"url") +": " + dbdef.getConnection().getURL() + "\n";

                                                } catch (Exception e) {

                                                        e.printStackTrace();

                                                }

                                                info = info +

                                                PluginServices.getText(this,"Tabla") +": " + dbdef.getTableName() + "\n";

                                        } else if (rv instanceof VectorialAdapter){

                                                info = info + "\n" + rv.getDriver().getName() + "\n";

                                        }

                                        info+="\n" + PluginServices.getText(this,"type")+ ": "+((FLyrVect)layer).getTypeStringVectorLayer() + "\n";

                                } else {

                                        info = info + PluginServices.getText(this,"Origen_de_datos") + ": " + layer.getName();

                                }

                        }

                        getPropertiesTextArea().setText(info);

                } catch (ReadDriverException e) {

                        NotificationManager.addError(e.getMessage(), e);

                }

    }

    /**

     * Returns true or false if the scale is selected

     */

        private boolean isScaleActive() {

                return getRdBtnDoNotShowWhen().isSelected();

        }

    /**

     * Instantiates a ITask (@see com.iver.utiles.swing.threads.ITask) to create

     * a spatial index for the selected layer in background. This task also

     * allow to monitor process evolution, and to cancel this process.

     * 

     * @throws DriverException

     * @throws DriverIOException

     */

    private IMonitorableTask getCreateSpatialIndexTask() throws ReadDriverException {

            // FIXME REVISAR ESTO (Quizas lanzar TaskException)

            return new CreateSpatialIndexMonitorableTask((FLyrVect)layer);

    }

        public void acceptAction() {

        // does nothing

        }

        public void cancelAction() {

                // does nothing

        }

            /**

     * When we press the apply button, sets the new properties of the layer that

     * the user modified using the UI components

     */

        public void applyAction() {

                if (isScaleActive()) {

                        try        {

                                layer.setMinScale((nf.parse(getTxtMaxScale().getText())).doubleValue());

                        } catch (ParseException ex)        {

                            if (getTxtMaxScale().getText().compareTo("") == 0)

                                layer.setMinScale(-1);

                            else

                                System.err.print(ex.getLocalizedMessage());

                        }

                        try        {

                            layer.setMaxScale((nf.parse(getTxtMinScale().getText())).doubleValue());

                        } catch (ParseException ex)        {

                            if (getTxtMinScale().getText().compareTo("") == 0)

                                layer.setMaxScale(-1);

                            else

                                System.err.print(ex.getLocalizedMessage());

                        }

                } else {

                layer.setMinScale(-1);

                layer.setMaxScale(-1);

                }

                if (!getLayerName().equals(layer.getName())){

                        layer.setName(getLayerName());

                }

        if (layer instanceof FLyrVect){

            FLyrVect lyrVect = (FLyrVect) layer;

            if (isSpatialIndexSelected()) {

                    if(lyrVect.getISpatialIndex() == null) {

                        //AZABALA

                        try {

                                                PluginServices.

                                                        cancelableBackgroundExecution(getCreateSpatialIndexTask());

                                        } catch (ReadDriverException e) {

                                                NotificationManager.addError(e.getMessage(), e);

                                        }

                }

            }

            //AZABALA

            /*

             * If we unselect the spatial index checkbox...Must we delete

             * spatial index file, or we only have to put Spatial Index

             * reference to null?. I have followed the second choice

             */

            else{

                lyrVect.deleteSpatialIndex();

            }

        }

        }

        public String getName() {

                return PluginServices.getText(this,"General");

        }

}