Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* 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.

* 

*/

package org.gvsig.raster.wmts.app.wmtsclient;

import java.awt.Component;

import java.awt.geom.Point2D;

import javax.swing.JOptionPane;

import org.gvsig.about.AboutManager;

import org.gvsig.about.AboutParticipant;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.andami.ui.mdiManager.IWindow;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.ApplicationManager;

import org.gvsig.app.extension.AddLayer;

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

import org.gvsig.fmap.geom.exception.CreateEnvelopeException;

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

import org.gvsig.fmap.mapcontext.ViewPort;

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

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

import org.gvsig.fmap.mapcontrol.MapControl;

import org.gvsig.raster.fmap.layers.Multiresolution;

import org.gvsig.raster.wmts.app.wmtsclient.gui.toc.WMTSPropsTocMenuEntry;

import org.gvsig.raster.wmts.app.wmtsclient.gui.wizard.WMTSWizard;

import org.gvsig.raster.wmts.app.wmtsclient.layer.DynObjectSetWMTSInfo;

import org.gvsig.raster.wmts.app.wmtsclient.layer.FLyrWMTS;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

/**

 * Extension for adding WMTS support to gvSIG.

 *

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class WMTSClientExtension extends Extension {

        /*

         * (non-Javadoc)

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

         */

    public void initialize() {

            // Adds an entry to the TOC's floating menu to those layers defined in this extension

                ExtensionPoint exPoint = ToolsLocator.getExtensionPointManager().add("View_TocActions");

                exPoint.append("WMTSPropsTocMenuEntry", "", new WMTSPropsTocMenuEntry());

        // Adds a new tab to the "add layer" wizard for WMTS layer creation

            AddLayer.addWizard(WMTSWizard.class);

            //ToolsLocator.getExtensionPointManager().add("CatalogLayers").append("OGC:WMTS", "", FLyrWMTS.class);

            initilizeIcons();

            DynObjectSetWMTSInfo.registerDynClass();

    }

    /*

         * (non-Javadoc)

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

         */

        public void postInitialize() {

                FLyrWMTS.registerPersistent();

                addAboutInfo();

        }

        private void addAboutInfo() {

        ApplicationManager application = ApplicationLocator.getManager();

        AboutManager about = application.getAbout();

        about.addDeveloper("PRODEVELOP", getClass().getClassLoader()

            .getResource("about/wmts-about.html"), 2);

        AboutParticipant participant = about.getDeveloper("PRODEVELOP");

        participant.addContribution(

            "WMTS",

            "Cliente para Web Map Tile Service", 

            2011,3,1, 

            2011,3,30

        );      

    }

    @SuppressWarnings("deprecation")

        public void execute(String actionCommand) {

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

                MapControl mapCtrl = theView.getMapControl();

                ViewPort viewPort = mapCtrl.getViewPort();

                Multiresolution lyrMultires = null;

                FLayers lyrs = mapCtrl.getMapContext().getLayers();

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

                        FLayer lyr = lyrs.getLayer(i);

                        if(lyr instanceof FLyrWMTS) {

                                lyrMultires = ((Multiresolution)lyr);

                        }

                }

            if(actionCommand.compareTo("NEXT_LEVEL") == 0) {

                    if(!lyrMultires.increaseZoomLevel()) {

                            JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(), "max_zoom_reached");

                            return;

                    }

            }

            if(actionCommand.compareTo("PREV_LEVEL") == 0) {

                    if(!lyrMultires.decreaseZoomLevel()) {

                            JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(), "min_zoom_reached");

                            return;

                    }

            }

            Point2D center = new Point2D.Double(viewPort.getExtent().getCenterX(), viewPort.getExtent().getCenterY());

                Envelope r;

                try {

                        r = lyrMultires.getCoordsInLevel(center, lyrMultires.getZoomLevel(), 

                                        viewPort.getImageWidth(), viewPort.getImageHeight());

                } catch (CreateEnvelopeException e) {

                        return;

                }

                mapCtrl.getViewPort().setEnvelope(r);

                mapCtrl.invalidate();

    }

    public boolean isEnabled() {

        return true;

    }

    public boolean isVisible() {

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

            if(window instanceof AbstractViewPanel) {

                    AbstractViewPanel theView = (AbstractViewPanel) window;

                    MapControl mapCtrl = theView.getMapControl();

                    FLayers lyrs = mapCtrl.getMapContext().getLayers();

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

                            if(lyrs.getLayer(i) instanceof FLyrWMTS)

                                    return true;

                    }

            }

        return false;

    }

    void initilizeIcons(){

                IconThemeHelper.registerIcon(null, "level-plus", this);

                IconThemeHelper.registerIcon(null, "level-less", this);

                IconThemeHelper.registerIcon(null, "icon-layer-wms", this);

    }

}