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.project.documents.gui;

import java.awt.Component;

import java.awt.FlowLayout;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.event.ActionEvent;

import java.io.File;

import javax.swing.JButton;

import javax.swing.JDialog;

import javax.swing.JFileChooser;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JTextField;

import javax.swing.filechooser.FileFilter;

import com.hardcode.driverManager.Driver;

import com.hardcode.driverManager.DriverLoadException;

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

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

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

import com.iver.andami.PluginServices;

import com.iver.cit.gvsig.AddLayer;

import com.iver.cit.gvsig.addlayer.AddLayerDialog;

import com.iver.cit.gvsig.fmap.MapControl;

import com.iver.cit.gvsig.fmap.core.FShape;

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

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

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

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

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

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

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

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

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

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

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

import com.iver.cit.gvsig.project.Project;

import com.iver.cit.gvsig.project.documents.view.gui.View;

/**

 * Dialog to open an annotation layer.

 *

 * @author Vicente Caballero Navarro

 */

public class Annotation_Open extends WizardPanel {

    private static String lastPath = null;

    private JPanel pGeneral = null;

    private JButton bSelectFile = null;

    private String fName;

    private JTextField tFile;

    private CRSSelectPanel pProyection = null;

    private JPanel pFileSelection;

    private JPanel pControls;

    private JPanel pInPixels;

    private JComboBoxUnits cmbUnits;

    public Annotation_Open() {

        super();

        initialize();

    }

    /**

     * DOCUMENT ME!

     */

    private void initialize() {

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

        this.setSize(new java.awt.Dimension(510, 311));

        this.setLocation(new java.awt.Point(0, 0));

        this.add(getPGeneral(), null);

        this.getBSelectFile().addActionListener(new java.awt.event.ActionListener() {

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

                    acceptButtonActionPerformed(evt);

                }

            });

    }

    /**

     * Evento de pulsado del bot?n de seleccionar fichero

     *

     * @param e

     */

    private void acceptButtonActionPerformed(ActionEvent e) {

        // Selector de Fichero que se quiere georeferenciar

        if (e.getSource().equals(this.getBSelectFile())) {

            JFileChooser chooser = new JFileChooser(lastPath);

            chooser.setDialogTitle(PluginServices.getText(this,

                    "seleccionar_fichero"));

            chooser.addChoosableFileFilter(new FileFilter() {

                    public boolean accept(File f) {

                        if (f.isDirectory()) {

                            return true;

                        }

                        if (isPointShapeType(f)) {

                            return f.getAbsolutePath().toLowerCase().endsWith(".shp");

                        }

                        return false;

                    }

                    public String getDescription() {

                        return PluginServices.getText(this, "Point Shape Files");

                    }

                });

            chooser.addChoosableFileFilter(new FileFilter() {

                    public boolean accept(File f) {

                        if (f.isDirectory()) {

                            return true;

                        }

                        String[] files = f.getParentFile().list();

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

                            if (!files[i].equals(f.getName()) &&

                                    files[i].replaceAll("gva", "shp")

                                                .toLowerCase().equals(f.getName()

                                                                           .toLowerCase())) {

                                return (isPointShapeType(f));

                            }

                        }

                        return false;

                    }

                    public String getDescription() {

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

                    }

                });

            int returnVal = chooser.showOpenDialog(this);

            if (returnVal == JFileChooser.APPROVE_OPTION) {

                this.fName = chooser.getSelectedFile().toString();

                // FileFilter filter = chooser.getFileFilter();

                this.getTFile().setText(fName);

                lastPath = chooser.getCurrentDirectory().getAbsolutePath();

                if (PluginServices.getMainFrame() == null) {

                    ((JDialog) (getParent().getParent().getParent().getParent())).dispose();

                } else {

                    callStateChanged(true);

                }

            }

        }

    }

    /**

     * This method initializes jTextField

     *

     * @return javax.swing.JTextField

     */

    private JTextField getTFile() {

        if (tFile == null) {

            tFile = new JTextField();

            tFile.setPreferredSize(new java.awt.Dimension(350, 25));

        }

        return tFile;

    }

    /**

     * This method initializes jPanel

     *

     * @return javax.swing.JPanel

     */

    private JPanel getPGeneral() {

        if (pGeneral == null) {

            GridBagConstraints gridBagConstraints1 = new GridBagConstraints();

            gridBagConstraints1.insets = new java.awt.Insets(5, 0, 0, 0);

            gridBagConstraints1.gridy = 3;

            gridBagConstraints1.gridx = 0;

            GridBagConstraints gridBagConstraints = new GridBagConstraints();

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

            gridBagConstraints.gridy = 0;

            gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTH;

            gridBagConstraints.gridx = 0;

            GridBagConstraints gridBagConstraints2 = new GridBagConstraints();

            gridBagConstraints2.insets = new java.awt.Insets(0, 0, 2, 0);

            gridBagConstraints2.gridy = 1;

            gridBagConstraints2.gridx = 0;

            pGeneral = new JPanel();

            pGeneral.setLayout(new GridBagLayout());

            pGeneral.setPreferredSize(new java.awt.Dimension(750, 350));

            gridBagConstraints1.anchor = java.awt.GridBagConstraints.NORTH;

            gridBagConstraints2.anchor = java.awt.GridBagConstraints.NORTH;

            pGeneral.add(getPFileSelection(), gridBagConstraints);

            pGeneral.add(getPControls(), gridBagConstraints1);

            pGeneral.add(getPInPixels(), gridBagConstraints2);

        }

        return pGeneral;

    }

    /**

     * DOCUMENT ME!

     *

     * @return DOCUMENT ME!

     */

    private JPanel getPControls() {

        if (pControls == null) {

            GridBagConstraints gridBagConstraints11 = new GridBagConstraints();

            GridBagConstraints gridBagConstraints2 = new GridBagConstraints();

            gridBagConstraints2.gridx = 0;

            gridBagConstraints2.gridy = 1;

            pControls = new JPanel();

            pControls.setLayout(new GridBagLayout());

            pControls.setPreferredSize(new java.awt.Dimension(475, 200));

            pControls.setBorder(javax.swing.BorderFactory.createTitledBorder(

                    null, "",

                    javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

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

            gridBagConstraints11.gridx = 0;

            gridBagConstraints11.gridy = 0;

            pControls.add(getPProyection(), gridBagConstraints2);

        }

        return pControls;

    }

    /**

     * This method initializes jPanel

     *

     * @return javax.swing.JPanel

     */

    private JPanel getPFileSelection() {

        if (pFileSelection == null) {

            FlowLayout flowLayout = new FlowLayout();

            flowLayout.setVgap(10);

            pFileSelection = new JPanel();

            pFileSelection.setBorder(javax.swing.BorderFactory.createTitledBorder(

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

                    javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,

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

            pFileSelection.setLayout(flowLayout);

            pFileSelection.setPreferredSize(new java.awt.Dimension(475, 70));

            pFileSelection.add(getTFile(), null);

            pFileSelection.add(getBSelectFile(), null);

        }

        return pFileSelection;

    }

    /**

     * This method initializes jButton

     *

     * @return javax.swing.JButton

     */

    private JButton getBSelectFile() {

        if (bSelectFile == null) {

            bSelectFile = new JButton();

            bSelectFile.setText(PluginServices.getText(this, "cargar"));

        }

        return bSelectFile;

    }

    /**

     * DOCUMENT ME!

     */

    public void initWizard() {

    }

    /**

     * DOCUMENT ME!

     */

    public void execute() {

                // Creamos la capa y la cargamos

                boolean ok = false;

                View theView = null;

                try {

                        theView = (View) PluginServices.getMDIManager().getActiveWindow();

                } catch (ClassCastException exc) {

                        return;

                }

                File fich = new File(fName);

                ok = loadFileAnnotationLayer(theView.getMapControl(), fich);

                if (!ok)

                        JOptionPane.showMessageDialog((Component) PluginServices

                                        .getMainFrame(), PluginServices.getText(this,

                                        "incorrect_annotation_format"));

        }

    /**

         * DOCUMENT ME!

         *

         * @return DOCUMENT ME!

         */

    public FLayer getLayer() {

        return null;

    }

    /**

     * This method initializes jPanel

     *

     * @return javax.swing.JPanel

     */

    private CRSSelectPanel getPProyection() {

        if (pProyection == null) {

            pProyection = CRSSelectPanel.getPanel(AddLayerDialog.getLastProjection());

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

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

                        if (pProyection.isOkPressed()) {

                                AddLayerDialog.setLastProjection(pProyection.getCurProj());

                        }

                    }

                });

        }

        return pProyection;

    }

    /**

     * This method initializes jPanel

     *

     * @return javax.swing.JPanel

     */

    private JPanel getPInPixels() {

        if (pInPixels == null) {

            pInPixels = new JPanel(); // CRSSelectPanel.getPanel(FOpenDialog.getLastProjection());

            JLabel lbl = new JLabel(PluginServices.getText(this,

                        "units_of_annotations"));

            pInPixels.add(lbl);

            pInPixels.add(getCmbUnits());

        }

        return pInPixels;

    }

    /**

     * DOCUMENT ME!

     *

     * @return DOCUMENT ME!

     */

    public JComboBoxUnits getCmbUnits() {

                if (cmbUnits == null) {

                        cmbUnits = new JComboBoxUnits();

                        cmbUnits.setSelectedIndex(Project.getDefaultDistanceUnits());

                        cmbUnits.setName("CMBUNITS");

                }

                return cmbUnits;

        }

    /*

     * (non-Javadoc)

     *

     * @see com.iver.cit.gvsig.gui.WizardPanel#getTabName()

     */

    public String getTabName() {

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

    }

    /**

     * DOCUMENT ME!

     *

     * @param file DOCUMENT ME!

     *

     * @return DOCUMENT ME!

     */

    private boolean isPointShapeType(File file) {

        if (!file.getAbsolutePath().toLowerCase().endsWith(".shp")) {

            return false;

        }

        VectorialFileAdapter adapter = new VectorialFileAdapter(file);

        String driverName = "gvSIG shp driver";

        try {

            Driver driver = LayerFactory.getDM().getDriver(driverName);

            adapter.setDriver((VectorialDriver) driver);

        } catch (DriverLoadException e) {

            return false;

        }

        FLyrVect capa = new FLyrVect();

        capa.setSource(adapter);

        int type;

        try {

            ((VectorialFileDriver) capa.getSource().getDriver()).open(file);

            ((VectorialFileDriver) capa.getSource().getDriver()).initialize();

            type = capa.getSource().getShapeType();

        } catch (OpenDriverException e) {

                        return false;

                } catch (InitializeDriverException e) {

                        return false;

                } catch (ReadDriverException e) {

                        return false;

                }

        return (type == FShape.POINT);

    }

    /**

     * Adds to mapcontrol all the file based layers selected by user in

     * fileOpenDialog instance.

     *

     * @param mapControl MapControl where we want to add the selected layers

     * @param file FileOpenDialog where user selected file based layers

     *

     * @return boolean flag to report sucess of the operation

     */

    private boolean loadFileAnnotationLayer(MapControl mapControl, File file) {

            try {

                    Annotation_Layer al = Annotation_LayerFactory.createLayer(file.getName(), file, AddLayerDialog.getLastProjection(), getCmbUnits().getSelectedUnitIndex());

            // A?adir capas al mapControl se trata como una transaccion

            mapControl.getMapContext().beginAtomicEvent();

            if (al != null) {

                al.setVisible(true);

                AddLayer.checkProjection(al, mapControl.getViewPort());

                mapControl.getMapContext().getLayers().addLayer(al);

            } // if

            mapControl.getMapContext().endAtomicEvent();

            return true;

            }

            catch (Exception ex) {

                    PluginServices.getLogger().error("", ex);

                    return false;

            }

    }

}