public void setupMBTilesBackgroundConfiguration() {
final String defType =
PreferenceManager.getDefaultSharedPreferences(getBaseContext())
.getString("mapsforge_background_type", null);
final String mbTilesPath =
PreferenceManager.getDefaultSharedPreferences(getBaseContext())
.getString("mapsforge_background_filepath", null);
if (mbTilesPath == null
&& defType == null) { // only on first run, check files and set geocollect defaults
// geocollect default not setup yet, check if mbtiles file is available
final File dir =
new File(MapFilesProvider.getEnvironmentDirPath(null) + MapFilesProvider.getBaseDir());
File mbtileFile = null;
File files[] = dir.listFiles();
if (files != null) {
for (int i = 0; i < files.length; i++) {
final String path = files[i].getAbsolutePath();
if (path.substring(path.lastIndexOf(".") + 1).equals("mbtiles")) {
mbtileFile = files[i];
break;
}
}
final Editor ed = PreferenceManager.getDefaultSharedPreferences(getBaseContext()).edit();
if (mbtileFile != null) {
ed.putString("mapsforge_background_filepath", mbtileFile.getAbsolutePath());
}
ed.putString("mapsforge_background_type", "1");
ed.commit();
}
}
final BackgroundSourceType type =
BackgroundSourceType.values()[Integer.parseInt(defType == null ? "1" : defType)];
MapFilesProvider.setBackgroundSourceType(type);
}
/**
* checks if the preferences of the background renderer changed if so, the mapview is informed and
* is cleared and redrawed
*/
public void checkIfMapViewNeedsBackgroundUpdate() {
final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
final boolean thingsChanged =
prefs.getBoolean(MapView.MAPSFORGE_BACKGROUND_FILEPATH_CHANGED, false);
if (!thingsChanged) return;
final BackgroundSourceType currentMapRendererType = this.mapView.getMapRendererType();
String filePath = prefs.getString(MapView.MAPSFORGE_BACKGROUND_FILEPATH, null);
final String defaultType =
getApplicationContext().getPackageName().equals("it.geosolutions.geocollect.android.app")
? "1"
: "0";
BackgroundSourceType type =
BackgroundSourceType.values()[
Integer.parseInt(
prefs.getString(MapView.MAPSFORGE_BACKGROUND_RENDERER_TYPE, defaultType))];
final Editor ed = prefs.edit();
ed.putBoolean(MapView.MAPSFORGE_BACKGROUND_FILEPATH_CHANGED, false);
ed.commit();
File mapFile = new File(filePath);
if (mapFile == null || !mapFile.exists()) {
mapFile = MapFilesProvider.getBackgroundMapFile();
filePath = mapFile.getPath();
type = BackgroundSourceType.MAPSFORGE;
}
// 1. renderer changed
if (type != currentMapRendererType) {
MapRenderer mapRenderer = null;
switch (type) {
case MAPSFORGE:
if (filePath == null) {
throw new IllegalArgumentException(
"no filepath selected to change to mapsforge renderer");
}
mapView.setMapFile(new File(filePath));
mapRenderer = new DatabaseRenderer(mapView.getMapDatabase());
// TODO it was MBTILES with no or dimmed mbtiles layer, add MBTiles layer ?
MSMMap map = SpatialDbUtils.mapFromDb(false);
Log.d(
MapsActivity.class.getSimpleName(),
"to mapsforge maps includes " + map.layers.size() + " layers");
addLayersOrdered(map.layers);
break;
case MBTILES:
mapRenderer = new MbTilesDatabaseRenderer(getBaseContext(), filePath);
MSMMap map2 = SpatialDbUtils.mapFromDb(true);
layerManager.setLayers(map2.layers);
break;
case GEOCOLLECT:
// TODO
break;
default:
break;
}
if (mDrawerToggle != null) {
mDrawerToggle.syncState();
}
mapView.setRenderer(mapRenderer, true);
mapView.clearAndRedrawMapView();
MapFilesProvider.setBackgroundSourceType(type);
} else if (filePath != null && !filePath.equals(mapView.getMapRenderer().getFileName())) {
// 2.renderer is the same but file changed
switch (type) {
case MAPSFORGE:
mapView.setMapFile(new File(filePath));
break;
case MBTILES:
mapView.setRenderer(new MbTilesDatabaseRenderer(getBaseContext(), filePath), true);
break;
case GEOCOLLECT:
// TODO
break;
default:
break;
}
mapView.clearAndRedrawMapView();
}
}