source: osm/applications/editors/josm/plugins/wmsplugin/src/wmsplugin/WMSDownloadAction.java@ 10382

package wmsplugin;

import static org.openstreetmap.josm.tools.I18n.tr;

import java.awt.event.ActionEvent;

import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.JosmAction;
import org.openstreetmap.josm.gui.MapView;
import org.openstreetmap.josm.gui.layer.Layer;
import org.openstreetmap.josm.data.Bounds;

public class WMSDownloadAction extends JosmAction {

        private WMSInfo info;
        
        public WMSDownloadAction(WMSInfo info) {
                super(info.name, "wmsmenu", tr("Download WMS tile from {0}",info.name), 0, 0, false);
                this.info = info;
        }
        
        public void actionPerformed(ActionEvent e) {
                System.out.println(info.url);
                
                WMSLayer wmsLayer = getLayer(info);
                MapView mv = Main.map.mapView;

                Bounds b = new Bounds(
                        mv.getLatLon(0, mv.getHeight()),
                        mv.getLatLon(mv.getWidth(), 0));
                double pixelPerDegree = mv.getWidth() / (b.max.lon() - b.min.lon());

                wmsLayer.grab(b, pixelPerDegree);
        }

        public static WMSLayer getLayer(WMSInfo info) {
                // simply check if we already have a layer created. if not, create; if yes, reuse.
                for (Layer l : Main.main.map.mapView.getAllLayers()) {
                        if (l instanceof WMSLayer && l.name.equals(info.name)) {
                                return (WMSLayer) l;
                        }
                }

                // FIXME: move this to WMSPlugin/WMSInfo/preferences.
                WMSLayer wmsLayer = new WMSLayer(info.name, info.url);
                Main.main.addLayer(wmsLayer);
                return wmsLayer;
        }
};