| 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 com.iver.cit.gvsig.addlayer.fileopen;

import java.awt.Dimension;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.File;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import java.util.prefs.Preferences;

import javax.swing.BorderFactory;

import javax.swing.DefaultListModel;

import javax.swing.JPanel;

import javax.swing.border.TitledBorder;

import javax.swing.filechooser.FileFilter;

import org.cresques.cts.IProjection;

import org.gvsig.fmap.crs.CRSFactory;

import org.gvsig.fmap.dal.DataStoreParameters;

import org.gvsig.fmap.geom.primitive.DefaultEnvelope;

import org.gvsig.fmap.geom.primitive.Envelope;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.mapcontrol.MapControl;

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

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

import org.gvsig.tools.extensionpoint.ExtensionPoint.Extension;

import com.iver.andami.PluginServices;

import com.iver.andami.ui.mdiManager.IWindow;

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

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

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

import com.iver.cit.gvsig.project.documents.gui.ListManagerSkin;

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

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

import com.iver.utiles.listManager.ListManagerListener;

/**

 * Pesta?a donde estara la apertura de ficheros

 *

 * @version 04/09/2007

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

 */

public class FileOpenWizard extends WizardPanel implements ListManagerListener {

        private static final String OPEN_LAYER_FILE_CHOOSER_ID = "OPEN_LAYER_FILE_CHOOSER_ID";

        private static final long serialVersionUID = 335310147513197564L;

        private static String     lastPath        = null;

        private JPanel            jPanel2         = null;

        private JFileChooser      fileChooser     = null;

        private CRSSelectPanel    jPanelProj      = null;

        private ListManagerSkin   listManagerSkin = null;

        private boolean           projection      = false;

        static private FileFilter lastFileFilter  = null;

        private TitledBorder      titledBorder    = null;

        /**

         * Lista de manejadores de ficheros (extensiones)

         */

        private ArrayList<IFileOpen> listFileOpen = new ArrayList<IFileOpen>();

        /**

         * Construye un FileOpenWizard usando la extension por defecto

         * 'FileExtendingOpenDialog'

         */

        public FileOpenWizard() {

                this("FileExtendingOpenDialog");

        }

        /**

         * Construye un FileOpenWizard usando el punto de extension pasado por

         * parametro

         * 

         * @param nameExtension

         * 

         */

        public FileOpenWizard(String nameExtension) {

                this(nameExtension, true);

        }

        /**

         * Construye un FileOpenWizard usando el punto de extension pasado por

         * parametro

         * @param nameExtension

         */

        public FileOpenWizard(String nameExtension, boolean proj) {

                ExtensionPointManager epManager = ToolsLocator

                                .getExtensionPointManager();

                if (!epManager.has(nameExtension)) {

                        return;

                }

                Iterator iterator = epManager.get(nameExtension).iterator();

                Object obj = null;

                while (iterator.hasNext()) {

                        try {

                                obj = ((Extension) iterator.next()).create();

                        } catch (Exception e) {

                                e.printStackTrace(); //FIXME Excepcion

                                continue;

                        }

                        if (obj instanceof IFileOpen) {

                                listFileOpen.add((IFileOpen) obj);

                        }

                }

                init(null, proj);

        }

        /**

         * Creates a new FileOpenWizard object.

         * @param driverClasses

         * @param proj

         */

        public FileOpenWizard(IFileOpen[] driverClasses, boolean proj) {

                init(driverClasses, proj);

        }

        /**

         * Creates a new FileOpenWizard object.

         * @param driverClasses

         */

        public FileOpenWizard(IFileOpen[] driverClasses) {

                init(driverClasses, true);

        }

        /**

         * Creates a new FileOpenWizard object.

         * @param driverClasses

         * @param proj

         * @param title

         */

        public FileOpenWizard(IFileOpen[] driverClasses, boolean proj, String title) {

                setTitle(title);

                init(driverClasses, proj);

        }

        /**

         * @param driverClasses2

         * @param b

         */

        private void init(IFileOpen[] driverClasses, boolean projection) {

                this.projection = projection;

                if (driverClasses != null) {

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

                                listFileOpen.add(driverClasses[i]);

                        }

                }

                if (lastPath == null) {

                        Preferences prefs = Preferences.userRoot().node("gvsig.foldering");

                        lastPath = prefs.get("DataFolder", null);

                }

                initialize();

        }

        /*

         * (non-Javadoc)

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

         */

        public void initWizard() {

                setTabName(PluginServices.getText(this, "Fichero"));

                init(null, true);

        }

        /**

         * This method initializes this

         */

        private void initialize() {

                this.setSize(514, 280);

                this.setLayout(null);

                this.add(getJPanel2(), null);

        }

        public File[] getFiles() {

                MyFile[] files = (MyFile[]) getListManagerSkin().getListManager().getListModel().getObjects().toArray(new MyFile[0]);

                File[] ret = new File[files.length];

                int pos = files.length - 1;

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

                        ret[pos] = files[i].getFile();

                        pos--;

                }

                return ret;

        }

        public MyFile[] getMyFiles() {

                return (MyFile[]) getListManagerSkin().getListManager().getListModel().getObjects().toArray(new MyFile[0]);

        }

        /**

         * This method initializes jPanel2

         * @return javax.swing.JPanel

         */

        private JPanel getJPanel2() {

                if (jPanel2 == null) {

                        jPanel2 = new JPanel();

                        jPanel2.setLayout(null);

                        jPanel2.setBorder(getTitledBorder());

                        jPanel2.setPreferredSize(new Dimension(380, 200));

                        jPanel2.setBounds(2, 2, 506, 472);

                        if (projection) {

                                jPanel2.add(getJPanelProj(), null);

                        }

                        jPanel2.add(getListManagerSkin(), null);

                }

                return jPanel2;

        }

        private TitledBorder getTitledBorder() {

                if (titledBorder == null) {

                        titledBorder = BorderFactory.createTitledBorder(null, PluginServices.getText(this, "Seleccionar_fichero"), TitledBorder.DEFAULT_JUSTIFICATION, TitledBorder.DEFAULT_POSITION, null, null);

                        titledBorder.setTitle(PluginServices.getText(this, PluginServices.getText(this, "Capas")));

                }

                return titledBorder;

        }

        public String[] getDriverNames() {

                MyFile[] files = (MyFile[]) getListManagerSkin().getListManager().getListModel().getObjects().toArray(new MyFile[0]);

                String[] ret = new String[files.length];

                int pos = files.length - 1;

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

                        ret[pos] = files[i].getFilter().getDescription();

                        pos--;

                }

                return ret;

        }

        /**

         * This method initializes jPanel

         * @return javax.swing.JPanel

         */

        private CRSSelectPanel getJPanelProj() {

                if (jPanelProj == null) {

                        IProjection proj = CRSFactory.getCRS("EPSG:23030");

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

                                proj = AddLayerDialog.getLastProjection();

                        }

                        jPanelProj = CRSSelectPanel.getPanel(proj);

                        jPanelProj.setTransPanelActive(true);

                        jPanelProj.setBounds(11, 400, 448, 35);

                        jPanelProj.setPreferredSize(new Dimension(448, 35));

                        jPanelProj.addActionListener(new ActionListener() {

                                public void actionPerformed(ActionEvent e) {

                                        if (jPanelProj.isOkPressed()) {

                                                AddLayerDialog.setLastProjection(jPanelProj.getCurProj());

                                        }

                                }

                        });

                }

                return jPanelProj;

        }

        /**

         * This method initializes listManagerDemoSkin

         * @return ListManagerSkin

         */

        private ListManagerSkin getListManagerSkin() {

                if (listManagerSkin == null) {

                        listManagerSkin = new ListManagerSkin(false);

                        listManagerSkin.setBounds(11, 21, 491, 363);

                        listManagerSkin.getListManager().setListener(this);

                }

                return listManagerSkin;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.utiles.listManager.ListManagerListener#addObjects()

         */

        public Object[] addObjects() {

                this.callStateChanged(true);

                fileChooser = new JFileChooser(OPEN_LAYER_FILE_CHOOSER_ID, lastPath);

                fileChooser.setMultiSelectionEnabled(true);

                fileChooser.setAcceptAllFileFilterUsed(false);

                boolean finded = false;

                FileFilter auxFilter=null;

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

                        IFileOpen fileOpen = listFileOpen.get(i);

                        fileOpen.pre();

                        List<FileFilter> aux = fileOpen.getFileFilter();

                        for (int j = 0; j < aux.size(); j++) {

                                FileFilter fileFilter = aux.get(j);

                                fileChooser.addChoosableFileFilter(fileFilter);

                                if (lastFileFilter!=null && lastFileFilter.getDescription().equals(fileFilter.getDescription())){

                                        auxFilter=fileFilter;

                                        finded = true;

                                }

                        }

                }

                if (finded && (lastFileFilter != null)) {

                        fileChooser.setFileFilter(auxFilter);

                }

                int result = fileChooser.showOpenDialog(this);

                File[] newFiles = null;

                ArrayList<MyFile> toAdd = new ArrayList<MyFile>();

                if (result == JFileChooser.APPROVE_OPTION) {

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

                        lastFileFilter = fileChooser.getFileFilter();

                        newFiles = fileChooser.getSelectedFiles();

                        IFileOpen lastFileOpen = null;

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

                                IFileOpen fileOpen = listFileOpen.get(i);

                                List<FileFilter> aux = fileOpen.getFileFilter();

                                for (int j = 0; j < aux.size(); j++) {

                                        if (fileChooser.getFileFilter() == aux.get(j)) {

                                                for (int iFile=0; iFile<newFiles.length; iFile++) {

                                                        newFiles[iFile] = fileOpen.post(newFiles[iFile]);

                                                }

                                                lastFileOpen = fileOpen;

                                                break;

                                        }

                                }

                        }

                        for (int ind = 0; ind < newFiles.length; ind++) {

                                if (newFiles[ind] == null) {

                                        break;

                                }

                                toAdd.add(new MyFile(newFiles[ind], (fileChooser

                                                .getFileFilter()), lastFileOpen));

                        }

                        return toAdd.toArray();

                } else {

                        return new Object[0];

                }

        }

        /*

         * (non-Javadoc)

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

         */

        public void execute() {

                if (getFiles() == null) {

                        return;

                }

                MapControl mapControl = null;

                IWindow[] w = PluginServices.getMDIManager().getAllWindows();

                // Si se est? cargando la capa en el localizador se obtiene el mapcontrol de este

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

                        if (w[i] instanceof FPanelLocConfig) {

                                mapControl = ((FPanelLocConfig) w[i]).getMapCtrl();

                                DefaultListModel lstModel = (DefaultListModel) ((FPanelLocConfig) w[i]).getJList().getModel();

                                lstModel.clear();

                                for (int k = 0; k < getFiles().length; k++) {

                                        lstModel.addElement(getFiles()[k].getName());

                                }

                                for (int j = mapControl.getMapContext().getLayers().getLayersCount() - 1; j >= 0; j--) {

                                        FLayer lyr = mapControl.getMapContext().getLayers().getLayer(j);

                                        lstModel.addElement(lyr.getName());

                                }

                        }

                }

                // Obtiene la primera vista activa

                if (mapControl == null) {

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

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

                                if (w[i] instanceof BaseView && w[i].equals(activeWindow)) {

                                        mapControl = ((BaseView) w[i]).getMapControl();

                                }

                        }

                }

                // Si no hay ninguna activa obtiene la primera vista aunque no est? activa

                if (mapControl == null) {

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

                                if (w[i] instanceof BaseView) {

                                        mapControl = ((BaseView) w[i]).getMapControl();

                                }

                        }

                }

                //                if (mapControl == null) {

                //                        return;

                //                }

                Envelope[] rects = new Envelope[getFiles().length];

                boolean first = false;

                for (int i = getMyFiles().length - 1; i >= 0; i--) {

                        if (mapControl != null

                                        && mapControl.getMapContext().getViewPort().getExtent() == null) {

                                first = true;

                        }

                        rects[i] = (getMyFiles()[i]).createLayer(mapControl);

                }

                if (first && (rects.length > 1)) {

                        Envelope rect = new DefaultEnvelope(rects[0].getMinimum(0),rects[0].getMinimum(1),rects[0].getMaximum(0),rects[0].getMaximum(1));

//                        rect.setRect(rects[0]);

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

                                if (rects[i] != null) {

                                        rect.add(rects[i]);

                                }

                        }

                        if (mapControl != null) {

                                mapControl.getMapContext().getViewPort().setEnvelope(rect);

                        }

                }

                if (mapControl != null) {

                        mapControl.getMapContext().endAtomicEvent();// FIXME ??? y el begin

                }

        }

        public void setTitle(String title) {

                getTitledBorder().setTitle(title);

        }

        /*

         * (non-Javadoc)

         * @see com.iver.utiles.listManager.ListManagerListener#getProperties(java.lang.Object)

         */

        public Object getProperties(Object selected) {

                return null;

        }

        /**

         * Obtiene la ?ltima ruta seleccionada al a?adir ficheros.

         * @return Ruta del ?ltimo fichero seleccionado

         */

        public static String getLastPath() {

                return lastPath;

        }

        /**

         * Asigna la ?ltima ruta en una selecci?n de ficheros de disco. Es necesario

         * poder hacer esta asignaci?n desde fuera de FileOpenWizard ya que este path debe

         * ser com?n a toda la aplicaci?n. Hay otros puntos donde se seleccionan ficheros

         * de disco.

         * @param lastPath Ruta del ?ltimo fichero de disco seleccionado

         */

        public static void setLastPath(String path) {

                lastPath = path;

        }

        public DataStoreParameters[] getParameters() {

                // TODO Auto-generated method stub

                return null;

        }

}