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The source code is released under:
GNU General Public License
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/* * Copyright 2013 Sergio Garcia Villalonga (yayalose@gmail.com) *// w w w. j av a 2 s.com * This file is part of PalmaBici. * * PalmaBici is free software: you can redistribute it and/or modify * it under the terms of the Affero GNU General Public License version 3 * as published by the Free Software Foundation. * * PalmaBici 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 * Affero GNU General Public License for more details * (https://www.gnu.org/licenses/agpl-3.0.html). * */ package com.poguico.palmabici.map; import java.util.ArrayList; import java.util.HashMap; import org.osmdroid.ResourceProxy; import org.osmdroid.bonuspack.overlays.ExtendedOverlayItem; import org.osmdroid.bonuspack.overlays.ItemizedOverlayWithBubble; import org.osmdroid.tileprovider.tilesource.TileSourceFactory; import org.osmdroid.tileprovider.util.CloudmadeUtil; import org.osmdroid.util.GeoPoint; import org.osmdroid.views.MapView; import org.osmdroid.views.overlay.OverlayItem; import org.osmdroid.views.overlay.PathOverlay; import org.osmdroid.views.overlay.ScaleBarOverlay; import org.osmdroid.views.overlay.mylocation.GpsMyLocationProvider; import org.osmdroid.views.overlay.mylocation.MyLocationNewOverlay; import android.annotation.TargetApi; import android.content.Context; import android.content.SharedPreferences; import android.content.res.Resources.NotFoundException; import android.location.Location; import android.os.Build; import android.os.Bundle; import android.preference.PreferenceManager; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentActivity; import android.util.DisplayMetrics; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import com.poguico.palmabici.R; import com.poguico.palmabici.SynchronizableElement; import com.poguico.palmabici.network.synchronizer.NetworkStationAlarm; import com.poguico.palmabici.network.synchronizer.NetworkSynchronizer; import com.poguico.palmabici.synchronizers.LocationSynchronizer; import com.poguico.palmabici.util.BikeLane; import com.poguico.palmabici.util.NetworkInformation; import com.poguico.palmabici.util.Station; import com.poguico.palmabici.widgets.StationInfoWidget; public class StationMapFragment extends Fragment implements SynchronizableElement, OpenStreetMapConstants { // =========================================================== // Fields // =========================================================== private SharedPreferences mPrefs; private MapView mMapView; private MyLocationNewOverlay mLocationOverlay; private ScaleBarOverlay mScaleBarOverlay; private ResourceProxy mResourceProxy; private HashMap <Integer, ExtendedOverlayItem> mapMarkers = null; private static final String BIKE_LANE_OPTION = "show_bike_lane"; private ArrayList<PathOverlay> bikeLane = null; private SharedPreferences conf; private boolean bikeLaneState; private LocationSynchronizer locationSynchronizer; private NetworkInformation network; private ItemizedOverlayWithBubble<OverlayItem> markerOverlay; private NetworkSynchronizer networkSync; private Context context; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); conf=PreferenceManager .getDefaultSharedPreferences(this.getActivity()); bikeLaneState = conf.getBoolean(BIKE_LANE_OPTION, true); locationSynchronizer = LocationSynchronizer.getInstance(this); context = this.getActivity().getApplicationContext(); network = NetworkInformation.getInstance(context); networkSync = NetworkSynchronizer.getInstance(context); networkSync.addSynchronizableElement(this); mPrefs = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); final SharedPreferences.Editor edit = mPrefs.edit(); edit.remove(PREFS_SHOWN_MARKER); edit.remove(PREFS_SCROLL_X); edit.remove(PREFS_SCROLL_Y); edit.remove(PREFS_ZOOM_LEVEL); edit.commit(); this.setRetainInstance(true); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { mResourceProxy = new ResourceProxyImpl(inflater.getContext().getApplicationContext()); mMapView = new MapView(inflater.getContext(), 256, mResourceProxy); mMapView.setUseSafeCanvas(true); setHardwareAccelerationOff(); return mMapView; } private void drawStationMarkers(boolean force) { String filename; int percentage; if (mapMarkers == null || force) { mapMarkers = new HashMap<Integer, ExtendedOverlayItem>(); for (Station station : network.getNetwork()) { if (station.getSlots() > 0) { percentage = (int)Math.round((station.getBusySlots()*10 / station.getSlots())); ExtendedOverlayItem marker = new ExtendedOverlayItem( station.getName(), String.valueOf(station.getId()), new GeoPoint(station.getLat(), station.getLong()), context); try { filename = "marker" + percentage*10; filename += (NetworkStationAlarm.hasAlarm(station.getId())) ? "_alarm" : ""; marker.setMarker( getResources().getDrawable( R.drawable.class.getDeclaredField(filename).getInt(null))); mapMarkers.put(station.getId(),marker); } catch (NotFoundException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } catch (IllegalArgumentException e) { e.printStackTrace(); } catch (NoSuchFieldException e) { e.printStackTrace(); } } } markerOverlay = new ItemizedOverlayWithBubble<OverlayItem>(this.getActivity(), getResources().getDrawable(R.drawable.marker0), new ArrayList<OverlayItem>(mapMarkers.values()), mMapView, new StationInfoWidget(mMapView, this)); mMapView.getOverlays().add(markerOverlay); } } @TargetApi(Build.VERSION_CODES.HONEYCOMB) private void setHardwareAccelerationOff() { // Turn off hardware acceleration here, or in manifest if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) mMapView.setLayerType(View.LAYER_TYPE_SOFTWARE, null); } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); float[] distance = null; final DisplayMetrics dm = context.getResources().getDisplayMetrics(); // only do static initialisation if needed if (CloudmadeUtil.getCloudmadeKey().length() == 0) { CloudmadeUtil.retrieveCloudmadeKey(context.getApplicationContext()); } this.mLocationOverlay = new MyLocationNewOverlay(context, new GpsMyLocationProvider(context), mMapView); mScaleBarOverlay = new ScaleBarOverlay(context); mScaleBarOverlay.setCentred(true); mScaleBarOverlay.setScaleBarOffset(dm.widthPixels / 2, 10); mMapView.setBuiltInZoomControls(true); mMapView.setMultiTouchControls(true); mMapView.getOverlays().add(this.mScaleBarOverlay); Location myLocation = locationSynchronizer.getLocation(); if (myLocation != null) { distance = new float[1]; Location.distanceBetween(network.getCenter().getLatitude(), network.getCenter().getLongitude(), myLocation.getLatitude(), myLocation.getLongitude(), distance); } drawBikeLane(); toggleBikeLane(bikeLaneState); mMapView.getController().setZoom(mPrefs.getInt(PREFS_ZOOM_LEVEL, (int)(14+dm.density))); if (distance == null || distance[0] > 10000) { mMapView.getController().setCenter(new GeoPoint(39574689, 2651332)); } else { mMapView.getController().setCenter(new GeoPoint(myLocation)); } setHasOptionsMenu(true); mMapView.getOverlays().add(this.mLocationOverlay); mMapView.scrollTo(mPrefs.getInt(PREFS_SCROLL_X, mMapView.getScrollX()), mPrefs.getInt(PREFS_SCROLL_Y, mMapView.getScrollY())); } @Override public void onStart() { super.onStart(); updateStations(); } @Override public void onPause() { final SharedPreferences.Editor edit = mPrefs.edit(); edit.putInt(PREFS_SCROLL_X, mMapView.getScrollX()); edit.putInt(PREFS_SCROLL_Y, mMapView.getScrollY()); edit.putInt(PREFS_ZOOM_LEVEL, mMapView.getZoomLevel()); edit.putInt(PREFS_SHOWN_MARKER, markerOverlay.getBubbledItemId()); edit.putInt(PREFS_SHOWN_STATION, -1); edit.commit(); markerOverlay.hideBubble(); super.onPause(); } @Override public void onResume() { int shownBubble; Integer activeStation; super.onResume(); shownBubble = mPrefs.getInt(PREFS_SHOWN_MARKER, -1); activeStation = mPrefs.getInt(PREFS_SHOWN_STATION, -1); if (activeStation >= 0) { markerOverlay.showBubbleOnItem(mapMarkers.get(activeStation), mMapView, true); } else if (shownBubble >= 0) { markerOverlay.showBubbleOnItem(shownBubble, mMapView, true); } try { mMapView.setTileSource(TileSourceFactory.MAPQUESTOSM); } catch (final IllegalArgumentException ignore) { } boolean showBikeLane = conf.getBoolean(BIKE_LANE_OPTION, true); if (showBikeLane != bikeLaneState) { bikeLaneState = showBikeLane; toggleBikeLane(bikeLaneState); } drawStationMarkers(false); this.mLocationOverlay.enableMyLocation(); } @Override public void onDestroy() { locationSynchronizer.detachSynchronizableElement(this); networkSync.detachSynchronizableElement(this); super.onDestroy(); } private void updateStations() { if (mapMarkers != null) { mMapView.getOverlays().remove(markerOverlay); } drawStationMarkers(true); } @Override public void onSuccessfulNetworkSynchronization() { int bubbleId = markerOverlay.getBubbledItemId(); markerOverlay.hideBubble(); updateStations(); if (bubbleId >= 0) { markerOverlay.showBubbleOnItem(bubbleId, mMapView, true); } } @Override public void onUnsuccessfulNetworkSynchronization() { updateStations(); } @Override public void onLocationSynchronization() { float[] distance; Location myLocation; if (markerOverlay.getBubbledItemId() < 0) { myLocation = locationSynchronizer.getLocation(); if (myLocation != null) { distance = new float[1]; Location.distanceBetween(network.getCenter().getLatitude(), network.getCenter().getLongitude(), myLocation.getLatitude(), myLocation.getLongitude(), distance); if (distance != null && distance[0] <= 10000) { mMapView.getController().animateTo(new GeoPoint(myLocation)); } } } } @Override public FragmentActivity getSynchronizableActivity() { return this.getActivity(); } private void drawBikeLane () { bikeLane = BikeLane.getOSMPaths(this.getActivity(), mMapView); for (PathOverlay pathOverlay : bikeLane) { mMapView.getOverlays().add(pathOverlay); } } private void toggleBikeLane(boolean visible) { for(PathOverlay pathOverlay : bikeLane) { pathOverlay.setEnabled(visible); } } }