First categories implementation

app/src/main/java/it/danieleverducci/nextcloudmaps/activity/detail/CategoriesSpinnerAdapter.java

@@ -0,0 +1,24 @@
+package it.danieleverducci.nextcloudmaps.activity.detail;
+
+import android.content.Context;
+import android.widget.ArrayAdapter;
+
+import androidx.annotation.NonNull;
+
+import java.util.HashSet;
+
+public class CategoriesSpinnerAdapter extends ArrayAdapter<String> {
+
+    public CategoriesSpinnerAdapter(@NonNull Context context) {
+        super(context, android.R.layout.simple_dropdown_item_1line);
+    }
+
+    // TODO: implement colors
+
+    public void setCategoriesList(HashSet<String> categories) {
+        clear();
+        addAll(categories);
+        notifyDataSetChanged();
+    }
+
+}

app/src/main/java/it/danieleverducci/nextcloudmaps/activity/detail/GeofavoriteDetailActivity.java

@@ -50,6 +50,7 @@ import org.threeten.bp.format.DateTimeFormatter;
 import org.threeten.bp.format.FormatStyle;
 
 import java.util.Date;
+import java.util.HashSet;
 import java.util.List;
 
 import it.danieleverducci.nextcloudmaps.R;
@@ -119,6 +120,12 @@ public class GeofavoriteDetailActivity extends AppCompatActivity implements Loca
 
         mViewModel = new ViewModelProvider(this).get(GeofavoriteDetailActivityViewModel.class);
         mViewModel.init();
+        mViewModel.getCategories().observe(this, new Observer<HashSet<String>>() {
+            @Override
+            public void onChanged(HashSet<String> categories) {
+                mViewHolder.setCategories(categories);
+            }
+        });
         mViewModel.getIsUpdating().observe(this, new Observer<Boolean>() {
             @Override
             public void onChanged(@Nullable Boolean updating) {
@@ -280,7 +287,9 @@ public class GeofavoriteDetailActivity extends AppCompatActivity implements Loca
         private OnSubmitListener listener;
         private Marker mapMarker;
 
+
         public ViewHolder(LayoutInflater inflater) {
+
             this.binding = ActivityGeofavoriteDetailBinding.inflate(inflater);
             this.binding.submitBt.setOnClickListener(this);
             this.binding.mapBt.setOnClickListener(this);
@@ -289,6 +298,11 @@ public class GeofavoriteDetailActivity extends AppCompatActivity implements Loca
             this.binding.actionIconDelete.setOnClickListener(this);
             this.binding.actionIconNav.setOnClickListener(this);
 
+            // Set categories adapter
+            CategoriesSpinnerAdapter categoriesAdapter = new CategoriesSpinnerAdapter(binding.root.getContext());
+            this.binding.categoryAt.setAdapter(categoriesAdapter);
+            this.binding.categoryAt.setText(Geofavorite.DEFAULT_CATEGORY);
+
             // Set map properties
             this.binding.map.getZoomController().setVisibility(CustomZoomButtonsController.Visibility.NEVER);
             this.binding.map.setMultiTouchControls(true);
@@ -310,7 +324,7 @@ public class GeofavoriteDetailActivity extends AppCompatActivity implements Loca
             binding.descriptionEt.setText(item.getComment());
             binding.createdTv.setText(item.getLocalDateCreated().format(dateFormatter));
             binding.modifiedTv.setText(item.getLocalDateCreated().format(dateFormatter));
-            binding.categoryTv.setText(item.getCategory()); // TODO: Category spinner from existing categories
+            binding.categoryAt.setText(item.getCategory());
             updateViewCoords(item);
         }
 
@@ -330,6 +344,7 @@ public class GeofavoriteDetailActivity extends AppCompatActivity implements Loca
         public void updateModel(Geofavorite item) {
             item.setName(binding.nameEt.getText().toString());
             item.setComment(binding.descriptionEt.getText().toString());
+            item.setCategory(binding.categoryAt.getText().toString());
             item.setDateModified(System.currentTimeMillis() / 1000);
         }
 
@@ -347,6 +362,10 @@ public class GeofavoriteDetailActivity extends AppCompatActivity implements Loca
                 binding.accuracyTv.setBackgroundColor(Color.rgb(red, green, 0.0f));
         }
 
+        public void setCategories(HashSet<String> categories) {
+            ((CategoriesSpinnerAdapter)binding.categoryAt.getAdapter()).setCategoriesList(categories);
+        }
+
         public void hideAccuracy() {
             binding.accuracyTv.setVisibility(View.GONE);
         }

app/src/main/java/it/danieleverducci/nextcloudmaps/activity/detail/GeofavoriteDetailActivityViewModel.java

@@ -4,6 +4,10 @@ import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModel;
 
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+
 import it.danieleverducci.nextcloudmaps.model.Geofavorite;
 import it.danieleverducci.nextcloudmaps.repository.GeofavoriteRepository;
 
@@ -22,6 +26,9 @@ public class GeofavoriteDetailActivityViewModel extends ViewModel {
         mRepo.saveGeofavorite(geofav);
     }
 
+    public LiveData<HashSet<String>> getCategories(){
+        return mRepo.getCategories();
+    }
 
     public LiveData<Boolean> getIsUpdating(){
         return mRepo.isUpdating();

app/src/main/java/it/danieleverducci/nextcloudmaps/model/Geofavorite.java

@@ -166,7 +166,10 @@ public class Geofavorite implements Serializable {
     }
 
     public boolean valid() {
-        return getLat() != 0 && getLng() != 0 && getName() != null && getName().length() > 0;
+        return
+                getLat() != 0 && getLng() != 0 &&
+                getName() != null && getName().length() > 0 &&
+                getCategory() != null && getCategory().length() > 0;
     }
 
     /**

app/src/main/java/it/danieleverducci/nextcloudmaps/repository/GeofavoriteRepository.java

@@ -7,6 +7,7 @@ import androidx.appcompat.app.AppCompatActivity;
 import androidx.lifecycle.MutableLiveData;
 
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
 
 import it.danieleverducci.nextcloudmaps.api.ApiProvider;
@@ -24,6 +25,7 @@ public class GeofavoriteRepository {
     private static final String TAG = "GeofavoriteRepository";
     private static GeofavoriteRepository instance;
     private MutableLiveData<List<Geofavorite>> mGeofavorites;
+    private MutableLiveData<HashSet<String>> mCategories = new MutableLiveData<HashSet<String>>();
     private MutableLiveData<Boolean> mIsUpdating = new MutableLiveData<>(false);
     private SingleLiveEvent<Boolean> mOnFinished = new SingleLiveEvent<>();
 
@@ -42,6 +44,10 @@ public class GeofavoriteRepository {
         return mGeofavorites;
     }
 
+    public MutableLiveData<HashSet<String>> getCategories() {
+        return mCategories;
+    }
+
     public MutableLiveData<Boolean> isUpdating() {
         return mIsUpdating;
     }
@@ -59,6 +65,7 @@ public class GeofavoriteRepository {
             public void onResponse(@NonNull Call<List<Geofavorite>> call, @NonNull Response<List<Geofavorite>> response) {
                 if (response.isSuccessful() && response.body() != null) {
                     mGeofavorites.postValue(response.body());
+                    updateCategories(response.body());
                     mIsUpdating.postValue(false);
                     mOnFinished.postValue(true);
                 } else {
@@ -146,4 +153,12 @@ public class GeofavoriteRepository {
         });
     }
 
+    private void updateCategories(List<Geofavorite> geofavs) {
+        HashSet<String> categories = new HashSet<>();
+        for (Geofavorite g : geofavs) {
+            categories.add(g.getCategory());
+        }
+        mCategories.postValue(categories);
+    }
+
 }