| gvSIG desktop 1

/* 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.

 */

package org.gvsig.app.extension;

import java.awt.Component;

import java.lang.reflect.InvocationTargetException;

import java.util.ArrayList;

import javax.swing.JOptionPane;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.app.addlayer.AddLayerDialog;

import org.gvsig.app.gui.WizardPanel;

import org.gvsig.app.project.documents.AbstractDocument;

import org.gvsig.app.project.documents.view.gui.AbstractViewPanel;

import org.gvsig.app.project.documents.view.gui.IView;

import org.gvsig.fmap.dal.serverexplorer.filesystem.swing.FilesystemExplorerAddLayerWizardPanel;

import org.gvsig.fmap.mapcontext.ViewPort;

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

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

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.fmap.mapcontrol.MapControl;

/**

 * Extensi�n que abre un di�logo para seleccionar la capa o capas que se quieren

 * a�adir a la vista.

 *

 * @author Fernando Gonz�lez Cort�s

 */

public class AddLayer extends Extension {

        public AddLayerDialog fopen = null;

        private static ArrayList<Class<? extends WizardPanel>> wizardStack = null;

        static {

                AddLayer.wizardStack = new ArrayList<Class<? extends WizardPanel>>();

                // A�adimos el panel al wizard de cargar capa. (Esto es temporal hasta que

    // el actual sea totalmente extensible)

                //                AddLayer.addWizard(FileOpenWizard.class);

                AddLayer.addWizard(FilesystemExplorerAddLayerWizardPanel.class);

        }

        public static void addWizard(Class<? extends WizardPanel> wpClass) {

                AddLayer.wizardStack.add(wpClass);

        }

        private static WizardPanel getInstance(int i, MapControl mapControl)

                        throws IllegalArgumentException, SecurityException,

                        InstantiationException, IllegalAccessException,

                        InvocationTargetException, NoSuchMethodException {

                Class<? extends WizardPanel> wpClass = AddLayer.wizardStack.get(i);

                Object[] params = {};

                WizardPanel wp = wpClass.getConstructor()

                                .newInstance(params);

                wp.setMapCtrl(mapControl);

                wp.initWizard();

                return wp;

        }

        /**

         * @see com.iver.mdiApp.plugins.IExtension#isVisible()

         */

        public boolean isVisible() {

                org.gvsig.andami.ui.mdiManager.IWindow window = PluginServices.getMDIManager()

                                                                                                                         .getActiveWindow();

                if (window == null) {

                        return false;

                }

                // Any view derived from BaseView should have AddLayer available

                IView view;

                try {

                        view = (IView)window;

                }

                catch (ClassCastException e) {

                    return false;

                }

                if (view == null) {

                        return false;

                }

                AbstractViewPanel baseView = (AbstractViewPanel)view;

                return (baseView != null);

        }

        /**

         * @see org.gvsig.andami.plugins.IExtension#postInitialize()

         */

        public void postInitialize() {

//                LayerFactory.initialize();

//                DriverManager dm=LayerFactory.getDM();

//                PluginServices.addLoaders(dm.getDriverClassLoaders());

//                WriterManager wm=LayerFactory.getWM();

//                PluginServices.addLoaders(wm.getWriterClassLoaders());

                //                ToolsLocator.getExtensionPointManager().add("FileExtendingOpenDialog",

                //                                "").append("FileOpenVectorial", "", VectorialFileOpen.class);

        }

        public static void checkProjection(FLayer lyr, ViewPort viewPort) {

                if (lyr instanceof FLayers){

                        FLayers layers=(FLayers)lyr;

                        for (int i=0;i<layers.getLayersCount();i++){

                                checkProjection(layers.getLayer(i),viewPort);

                        }

                }

                if (lyr instanceof FLyrVect) {

                        FLyrVect lyrVect = (FLyrVect) lyr;

                        IProjection proj = lyr.getProjection();

                        // Comprobar que la projecci�n es la misma que la vista

                        if (proj == null) {

                                // SUPONEMOS que la capa est� en la proyecci�n que

                                // estamos pidiendo (que ya es mucho suponer, ya).

                                lyrVect.setProjection(viewPort.getProjection());

                                return;

                        }

                        int option = JOptionPane.YES_OPTION;

                        if (proj != viewPort.getProjection()) {

                                option = JOptionPane.showConfirmDialog((Component)PluginServices.getMainFrame(), PluginServices

                                                .getText(AddLayer.class, "reproyectar_aviso")+"\n"+ PluginServices.getText(AddLayer.class,"Capa")+": "+lyrVect.getName(), PluginServices

                                                .getText(AddLayer.class, "reproyectar_pregunta"),

                                                JOptionPane.YES_NO_OPTION);

                                if (option != JOptionPane.OK_OPTION) {

                                        return;

                                }

                                ICoordTrans ct = proj.getCT(viewPort.getProjection());

                                lyrVect.setCoordTrans(ct);

                                System.err.println("coordTrans = " + proj.getAbrev() + " "

                                                + viewPort.getProjection().getAbrev());

                        }

                }

        }

        /**

         * @see org.gvsig.andami.plugins.IExtension#execute(java.lang.String)

         */

        public void execute(String actionCommand) {

                // Project project = ((ProjectExtension)

                // PluginServices.getExtension(ProjectExtension.class)).getProject();

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

                MapControl mapControl=theView.getMapControl();

                this.addLayers(mapControl);

                mapControl.getMapContext().callLegendChanged();

                ((AbstractDocument)theView.getModel()).setModified(true);

        }

        /**

         * @see org.gvsig.andami.plugins.IExtension#isEnabled()

         */

        public boolean isEnabled() {

                return true;

        }

        /**

         * Creates FOpenDialog, and adds file tab, and additional registered tabs

         *

         * @return FOpenDialog

         */

    private AddLayerDialog createFOpenDialog(MapControl mapControl) {

                fopen = new AddLayerDialog();

                // after that, all registerez tabs (wizardpanels implementations)

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

                        WizardPanel wp;

                        try {

                                wp = AddLayer.getInstance(i, mapControl);

                                fopen.addWizardTab(wp.getTabName(), wp);

                        } catch (IllegalArgumentException e) {

                                e.printStackTrace();

                        } catch (SecurityException e) {

                                e.printStackTrace();

                        } catch (InstantiationException e) {

                                e.printStackTrace();

                        } catch (IllegalAccessException e) {

                                e.printStackTrace();

                        } catch (InvocationTargetException e) {

                                e.printStackTrace();

                        } catch (NoSuchMethodException e) {

                                e.printStackTrace();

                        }

                }// for

                return fopen;

        }

        /**

         * Adds to mapcontrol all layers selected by user in the specified WizardPanel.

         *

         * @param mapControl

         *         MapControl on which we want to load user selected layers.

         * @param wizardPanel

         *         WizardPanel where user selected the layers to load

         * @return

         */

        private boolean loadGenericWizardPanelLayers(MapControl mapControl, WizardPanel wp) {

                wp.setMapCtrl(mapControl);

                wp.execute();

                return true;

        }

        /**

         * Abre dialogo para a�adir capas y las a�ade en mapControl

         *

         * Devuelve true si se han a�adido capas.

         */

        public boolean addLayers(MapControl mapControl) {

                // create and show the modal fopen dialog

        fopen = createFOpenDialog(mapControl);

                PluginServices.getMDIManager().addWindow(fopen);

                if (fopen.isAccepted()) {

                                if (fopen.getSelectedTab() instanceof WizardPanel) {

                                WizardPanel wp = (WizardPanel) fopen.getSelectedTab();

                                return loadGenericWizardPanelLayers(mapControl, wp);

                        } else {

                                JOptionPane.showMessageDialog((Component) PluginServices

                                                .getMainFrame(), PluginServices.getText(this,"ninguna_capa_seleccionada"));

                        }

                }

                return false;

        }

        /* (non-Javadoc)

         * @see com.iver.andami.plugins.IExtension#initialize()

         */

        public void initialize() {

                   IconThemeHelper.registerIcon("action", "view-layer-add", this);

        }

}