Application: gvSIG desktop » gvSIG 3D

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2015 gvSIG Association

 *

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.view3d.app.mainplugin;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.ApplicationManager;

import org.gvsig.app.project.documents.view.ViewDocument;

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

import org.gvsig.fmap.mapcontext.MapContext;

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

import org.gvsig.tools.observer.Notification;

import org.gvsig.tools.observer.Observable;

import org.gvsig.tools.observer.Observer;

import org.gvsig.view3d.swing.api.MapControl3D;

import org.gvsig.view3d.swing.api.View3DPanel;

import org.gvsig.view3d.swing.api.View3DSwingLocator;

import org.gvsig.view3d.swing.api.View3DSwingManager;

import org.gvsig.view3d.swing.api.View3DSwingManager.TYPE;

/**

 * @author <a href="mailto:lmarques@disid.com">Lluis Marques</a>

 *

 */

public class View3DExtension extends Extension implements Observer{

    public void initialize() {

        registerIcons();

    }

    private void registerIcons() {

        IconThemeHelper.registerIcon("view3d", "sphere-view-3d", this);

        IconThemeHelper.registerIcon("view3d", "flat-view-3d", this);

    }

    public void execute(String actionCommand) {

        TYPE type = getType(actionCommand);

        IView view = getActiveView();

        if (view != null && type != null) {

            View3DSwingManager manager = View3DSwingLocator.getManager();

            MapControl3D mapControl3D =

                manager.getMapControl3D(view.getMapControl().getMapContext(),

                    type);

            if (mapControl3D == null || mapControl3D.getType() != type) {

                View3DPanel view3DPanel =

                    manager.createView3DPanel(view.getMapControl()

                        .getMapContext(), type);

                view3DPanel.getMapControl3D().addObserver(this);

                view3DPanel.show();

            }

        }

    }

    private TYPE getType(String actionCommand) {

        if ("sphere-view-3d".equals(actionCommand)) {

            return TYPE.SPHERE;

        } else if ("flat-view-3d".equals(actionCommand)) {

            return TYPE.FLAT;

        }

        return null;

    }

    public boolean isEnabled() {

        return true;

    }

    public boolean isVisible() {

        return true;

    }

    @Override

    public boolean isEnabled(String actionCommand) {

        IView view = getActiveView();

        if (view != null

            && ("sphere-view-3d".equals(actionCommand) || "flat-view-3d"

                .equals(actionCommand))) {

            View3DSwingManager manager = View3DSwingLocator.getManager();

            MapContext mapContext = view.getMapControl().getMapContext();

            TYPE type = getType(actionCommand);

            if(type != null){

                MapControl3D mapControl3D =

                    manager.getMapControl3D(mapContext, getType(actionCommand));

                FLayers layers = mapContext.getLayers();

                boolean isEPSG4326 =

                    mapContext.getProjection().getAbrev().equals("EPSG:4326");

                if (mapControl3D == null && layers.getLayersCount() > 0

                    && isEPSG4326) {

                    return true;

                }

            }

        }

        return false;

    }

    @Override

    public boolean isVisible(String actionCommand) {

        IView view = getActiveView();

        if (view != null) {

            return true;

        }

        return false;

    }

    private IView getActiveView() {

        ApplicationManager application = ApplicationLocator.getManager();

        IView view = (IView) application.getActiveComponent(ViewDocument.class);

        return view;

    }

    @Override

    public boolean canQueryByAction() {

        return true;

    }

    public void update(Observable observable, Object notification) {

        if (observable instanceof MapControl3D

            && notification instanceof Notification) {

            Notification n = (Notification) notification;

            if (n.getType().equalsIgnoreCase(

                MapControl3D.AFTER_DISPOSE_MAPCONTEX3D_NOTIFICATION)) {

                ApplicationManager appManager = ApplicationLocator.getManager();

                appManager.refreshMenusAndToolBars();

            }

        }

    }

}