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| package fastandfurious.fr.mobileactivite.helper;
import android.annotation.SuppressLint;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.location.Location;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.SearchView;
import android.widget.TextView;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.location.LocationServices;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.model.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.CameraPosition;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.HashMap;
import fastandfurious.fr.mobileactivite.R;
import fastandfurious.fr.mobileactivite.model.SimpleAddress;
/**
* This class controls and organizes a map created for activities handling.
* TODO : add https://developers.google.com/maps/documentation/android/utility/marker-clustering
* TODO : Link onMyLocationClickListener
*/
public class ActivitiesOnMapHelper {
//Size used for marker icons construction
private final int MARKER_WIDTH = 70;
private final int MARKER_HEIGHT = 80;
private final Rect MARKER_CATEGORY_AREA = new Rect((97 * MARKER_WIDTH)/407, (82 * MARKER_HEIGHT)/477, ((97+240) * MARKER_WIDTH)/407, ((82+245) * MARKER_HEIGHT)/477);
//Zoom for google map
private final int ZOOM_LARGE_DISTRICT = 14;
private Context context;
private GoogleMap map;
private GoogleApiClient apiLocation;
//Cursor containing all the activities to show on the map
private Cursor cursor;
//Keep the link between a marker and his activity
private HashMap<String, Integer> markerToActivityID = new HashMap<>();
//The special marker to allow the user to create a new activity
private Marker addActivityMarker;
//The listener to invoke for actions on markers
private OnMarkerClickListener onMarkerClickListener;
//The last camera position (used for handling double click on MyLocation button
private CameraPosition lastCameraPosition;
public ActivitiesOnMapHelper(Context context, GoogleMap googleMap) {
this.context = context;
map = googleMap;
map.setMyLocationEnabled(true);
map.setOnMyLocationButtonClickListener(new GoogleMap.OnMyLocationButtonClickListener() {
@Override
public boolean onMyLocationButtonClick() {
//Double click ?
if(lastCameraPosition == map.getCameraPosition()){
createAddActivityMarker(map.getCameraPosition().target);
}
else if(apiLocation != null){
//TODO Prefer a FusedLocationProviderApi.requestLocationUpdates(...)
apiLocation.connect();
}
return false;
}
});
map.setInfoWindowAdapter(new GoogleMap.InfoWindowAdapter() {
@Override
public View getInfoWindow(Marker marker) {
return null;
}
@Override
public View getInfoContents(Marker marker) {
return createInfoContentFor(marker);
}
});
map.setOnInfoWindowClickListener(new GoogleMap.OnInfoWindowClickListener() {
@Override
public void onInfoWindowClick(Marker marker) {
if(onMarkerClickListener != null){
if(addActivityMarker != null && marker.getId().equals(addActivityMarker.getId())){
onMarkerClickListener.onAddActivityMarkerClick(marker.getPosition());
}
else {
onMarkerClickListener.onRegularMarkerClick(markerToActivityID.get(marker.getId()));
}
}
}
});
map.setOnMapLongClickListener(new GoogleMap.OnMapLongClickListener() {
@Override
public void onMapLongClick(LatLng latLng) {
createAddActivityMarker(latLng);
}
});
map.setOnMyLocationButtonClickListener(new GoogleMap.OnMyLocationButtonClickListener() {
@Override
public boolean onMyLocationButtonClick() {
return false;
}
});
apiLocation = new GoogleApiClient.Builder(context)
.addConnectionCallbacks(new GoogleApiClient.ConnectionCallbacks() {
@Override
public void onConnected(Bundle bundle) {
Location location = LocationServices.FusedLocationApi.getLastLocation(apiLocation);
if(location != null){
map.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(location.getLatitude(), location.getLongitude()), ZOOM_LARGE_DISTRICT));
lastCameraPosition = map.getCameraPosition();
if(onMarkerClickListener != null) {
onMarkerClickListener.onLoadFromMarkerClick(new LatLng(location.getLatitude(), location.getLongitude()));
}
}
//TODO verify usage
//apiLocation.disconnect();
}
@Override
public void onConnectionSuspended(int i) {
}
})
.addOnConnectionFailedListener(new GoogleApiClient.OnConnectionFailedListener() {
@Override
public void onConnectionFailed(ConnectionResult connectionResult) {
}
})
.addApi(LocationServices.API)
.build();
if(apiLocation != null){
apiLocation.connect();
}
}
/**
* Place an "addActivity" marker on the map
* @param latLng The position where we want to place the marker
*/
private void createAddActivityMarker(LatLng latLng){
if(addActivityMarker != null) {
addActivityMarker.remove();
}
addActivityMarker = getMap().addMarker(new MarkerOptions().position(latLng));
addActivityMarker.showInfoWindow();
}
/**
* Reload a new cursor containing activities for the map.
* @param newCursor The cursor to load in the adapter.
*/
public void swapCursor(Cursor newCursor){
//We clear all
map.clear();
markerToActivityID.clear();
cursor = newCursor;
if(!cursor.moveToFirst()){
return;
}
//Then we bind one by one all the activities with a marker.
do{
bindMarker();
}while(cursor.moveToNext());
}
/**
* Move the {@link #cursor} on the line containing activityID and return it
* @param activityID The activityID that we need to target
* @return The moved cursor
*/
private Cursor getCursorAt(int activityID) {
//Before searching with a loop, we verify that we aren't already on the good line.
if(cursor.isAfterLast() || cursor.getInt(cursor.getColumnIndex(DatabaseContract.UserEntry.TABLE_NAME + "." + DatabaseContract.ActivityEntry._ID)) != activityID){
boolean hasNext = cursor.moveToFirst();
while(hasNext && cursor.getInt(cursor.getColumnIndex(DatabaseContract.UserEntry.TABLE_NAME + "." + DatabaseContract.ActivityEntry._ID)) != activityID){
hasNext = cursor.moveToNext();
}
}
return cursor;
}
/**
* Create the info content view that correspond to this marker.
* @param marker The marker used for create the content
* @return The view created for the marker
*/
private View createInfoContentFor(Marker marker){
@SuppressLint("InflateParams")
View view = LayoutInflater.from(getContext()).inflate(R.layout.map_item_activity, null);
TextView title_tv = (TextView) view.findViewById(R.id.title_tv);
TextView where_tv = (TextView) view.findViewById(R.id.where_tv);
TextView information_tv = (TextView) view.findViewById(R.id.creator_tv);
if(addActivityMarker != null && marker.getId().equals(addActivityMarker.getId())){
title_tv.setText(R.string.create_activity_title);
where_tv.setText(R.string.create_activity_information_l1);
information_tv.setText(R.string.create_activity_information_l2);
}
else{
Cursor cursor = getCursorAt(markerToActivityID.get(marker.getId()));
title_tv.setText(cursor.getString(cursor.getColumnIndex(DatabaseContract.ActivityEntry.TABLE_NAME + "." + DatabaseContract.ActivityEntry.F_TITLE)));
GregorianCalendar when = new GregorianCalendar();
when.setTimeInMillis(cursor.getLong(cursor.getColumnIndex(DatabaseContract.ActivityEntry.TABLE_NAME + "." + DatabaseContract.ActivityEntry.F_WHEN)));
where_tv.setText(when.get(Calendar.DAY_OF_MONTH) + "/" + (when.get(Calendar.MONTH) + 1) + "/" + when.get(Calendar.YEAR));
information_tv.setText(getContext().getString(R.string.proposed_by) + " " +
cursor.getString(cursor.getColumnIndex(DatabaseContract.UserEntry.TABLE_NAME + "." + DatabaseContract.UserEntry.F_FIRST_NAME)) + " " +
cursor.getString(cursor.getColumnIndex(DatabaseContract.UserEntry.TABLE_NAME + "." + DatabaseContract.UserEntry.F_LAST_NAME))
);
}
return view;
}
//Bind an activity with a marker on map, processing marker for future needs
private void bindMarker(){
int activityID = cursor.getInt(cursor.getColumnIndex(DatabaseContract.UserEntry.TABLE_NAME + "." + DatabaseContract.ActivityEntry._ID));
Bitmap markerIcon = constructBitmap(cursor.getInt(cursor.getColumnIndex(DatabaseContract.CategoryEntry.TABLE_NAME + "." + DatabaseContract.CategoryEntry.F_ICON_RESOURCE)));
LatLng where = new LatLng(
cursor.getDouble(cursor.getColumnIndex(DatabaseContract.ActivityEntry.TABLE_NAME + "." + DatabaseContract.ActivityEntry.F_LATITUDE)),
cursor.getDouble(cursor.getColumnIndex(DatabaseContract.ActivityEntry.TABLE_NAME + "." + DatabaseContract.ActivityEntry.F_LONGITUDE))
);
Marker newMarker = map.addMarker(new MarkerOptions()
.icon(BitmapDescriptorFactory.fromBitmap(markerIcon))
.position(where));
markerToActivityID.put(newMarker.getId(), activityID);
}
/**
* Allow to construct the marker icon containing a category icon
* @param category_RESOURCE The category icon pointed by a resource to put in the output bitmap
* @return The output bitmap containing the category icon
*/
private Bitmap constructBitmap(int category_RESOURCE){
Bitmap markerBM = BitmapFactory.decodeResource(context.getResources(), R.drawable.ic_marker);
Bitmap categoryBM = BitmapFactory.decodeResource(context.getResources(), category_RESOURCE);
Bitmap result = Bitmap.createBitmap(MARKER_WIDTH, MARKER_HEIGHT, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(result);
canvas.drawBitmap(
markerBM,
new Rect(0, 0, markerBM.getWidth(), markerBM.getHeight()),
new Rect(0, 0, result.getWidth(), result.getHeight()),
null);
canvas.drawBitmap(
categoryBM,
new Rect(0, 0, categoryBM.getWidth(), categoryBM.getHeight()),
MARKER_CATEGORY_AREA,
null);
return result;
}
public void bindSearchView(SearchView address_sv){
new SearchAddressHelper(address_sv).setOnAddressSuggestedClickListener(new SearchAddressHelper.OnAddressSuggestedClickListener() {
@Override
public void onAddressSuggestedClick(SimpleAddress address) {
createAddActivityMarker(new LatLng(address.getLatitude(), address.getLongitude()));
map.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(address.getLatitude(), address.getLongitude()), ZOOM_LARGE_DISTRICT));
}
});
}
private Context getContext(){
return context;
}
private GoogleMap getMap(){
return map;
}
public void setOnMarkerClickListener(OnMarkerClickListener onMarkerClickListener){
this.onMarkerClickListener = onMarkerClickListener;
}
/**
* Interface allowing this class to warn a listener when an action is made on an activity marker.
*/
public interface OnMarkerClickListener {
public boolean onRegularMarkerClick(int activityID);
public boolean onAddActivityMarkerClick(LatLng position);
public void onLoadFromMarkerClick(LatLng position);
}
} |
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