136 lines
4.5 KiB
Java
136 lines
4.5 KiB
Java
/*
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* Copyright 2013 Hannes Janetzek
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* Copyright 2018 devemux86
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*
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* This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
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*
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* This program is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.oscim.gdx.client;
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import com.google.gwt.user.client.Timer;
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import com.google.gwt.user.client.Window;
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import org.oscim.core.MapPosition;
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import org.oscim.core.MercatorProjection;
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import org.oscim.map.Map;
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import java.util.HashMap;
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public class MapUrl extends Timer {
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private int curLon, curLat, curZoom, curTilt, curRot;
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private MapPosition pos = new MapPosition();
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private final Map mMap;
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private String mParams = "";
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public MapUrl(Map map) {
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mMap = map;
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}
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public String getParam(String name) {
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return params.get(name);
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}
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public final HashMap<String, String> params = new HashMap<String, String>();
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public void parseUrl(MapPosition pos) {
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//String addOpts = "";
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if (Window.Location.getHash() == null)
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return;
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String hash = Window.Location.getHash();
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hash = hash.substring(1);
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String[] urlParams = null;
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urlParams = hash.split("&");
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if (urlParams.length == 1)
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urlParams = hash.split(",");
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double lat = pos.getLatitude(), lon = pos.getLongitude();
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float rotation = pos.bearing;
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float tilt = pos.tilt;
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//String themeName = "";
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//String mapName = "";
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int zoom = pos.zoomLevel;
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for (String p : urlParams) {
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try {
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if (p.startsWith("lat="))
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lat = Double.parseDouble(p.substring(4));
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else if (p.startsWith("lon="))
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lon = Double.parseDouble(p.substring(4));
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else if (p.startsWith("scale="))
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zoom = Integer.parseInt(p.substring(6));
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else if (p.startsWith("rot="))
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rotation = Float.parseFloat(p.substring(4));
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else if (p.startsWith("tilt="))
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tilt = Float.parseFloat(p.substring(5));
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// else if (p.startsWith("theme="))
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// themeName = p.substring(6);
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// else if (p.startsWith("map="))
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// mapName = p.substring(4);
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else {
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String[] opt = p.split("=");
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if (opt.length > 1)
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params.put(opt[0], opt[1]);
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else
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params.put(opt[0], null);
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mParams += p + "&";
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}
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} catch (NumberFormatException e) {
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}
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}
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pos.setPosition(lat, lon);
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pos.setZoomLevel(zoom);
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pos.set(MercatorProjection.longitudeToX(lon),
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MercatorProjection.latitudeToY(lat),
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1 << zoom,
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rotation,
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tilt);
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}
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@Override
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public void run() {
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mMap.viewport().getMapPosition(pos);
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int lat = (int) (pos.getLatitude() * 1000);
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int lon = (int) (pos.getLongitude() * 1000);
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int tilt = (int) (pos.tilt);
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int rot = (int) (pos.bearing);
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if (curZoom != pos.zoomLevel || curLat != lat || curLon != lon
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|| curTilt != tilt || curRot != rot) {
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curLat = lat;
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curLon = lon;
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curZoom = pos.zoomLevel;
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curTilt = tilt;
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curRot = rot;
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String newURL = Window.Location
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.createUrlBuilder()
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.setHash(mParams
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+ "scale=" + pos.zoomLevel
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+ "&rot=" + curRot
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+ "&tilt=" + curTilt
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+ "&lat=" + (curLat / 1000f)
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+ "&lon=" + (curLon / 1000f))
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.buildString();
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Window.Location.replace(newURL);
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}
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}
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}
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