sorting favourites list

app/src/main/java/cc/pogoda/mobile/pogodacc/activity/FavouritesActivity.java

@@ -2,23 +2,45 @@ package cc.pogoda.mobile.pogodacc.activity;
 
 import android.os.Bundle;
 import android.view.Menu;
+import android.view.MenuItem;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
+import java.util.Comparator;
+
 import cc.pogoda.mobile.pogodacc.R;
 import cc.pogoda.mobile.pogodacc.adapter.WeatherStationRecyclerViewAdapter;
 import cc.pogoda.mobile.pogodacc.config.AppConfiguration;
 import cc.pogoda.mobile.pogodacc.type.ParceableFavsCallReason;
 import cc.pogoda.mobile.pogodacc.type.ParceableStationsList;
+import cc.pogoda.mobile.pogodacc.type.WeatherStation;
 
 public class FavouritesActivity extends AppCompatActivity {
 
     RecyclerView recyclerViewFavourites;
 
-    ParceableStationsList favourites;
+    ParceableStationsList favourites, sortedFavourites;
+
+    boolean sorting = false;
+
+    WeatherStationRecyclerViewAdapter adapter = null;
+
+    ParceableFavsCallReason callReason;
+
+    private class WxStationComparator implements Comparator<WeatherStation> {
+
+        @Override
+        public int compare(WeatherStation station, WeatherStation t1) {
+            String name = station.getDisplayedName();
+            String name1 = t1.getDisplayedName();
+
+            return (name.compareTo(name1));
+        }
+    }
 
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
@@ -28,13 +50,49 @@ public class FavouritesActivity extends AppCompatActivity {
         return true;
     }
 
+    @Override
+    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
+        //return super.onOptionsItemSelected(item);
+
+        switch (item.getItemId()) {
+            case R.id.fav_sort_alph_oder:
+                sorting = true;
+
+                if (recyclerViewFavourites != null) {
+                    adapter = new WeatherStationRecyclerViewAdapter(sortedFavourites.getList(), this, callReason.getReason());
+
+                    recyclerViewFavourites.setAdapter(adapter);
+                }
+
+                break;
+            case R.id.fav_sort_add_order:
+                sorting = false;
+
+                if (recyclerViewFavourites != null) {
+                    adapter = new WeatherStationRecyclerViewAdapter(favourites.getList(), this, callReason.getReason());
+
+                    recyclerViewFavourites.setAdapter(adapter);
+                }
+
+                break;
+            case R.id.fav_remove_noext:
+                break;
+        }
+
+        return true;
+    }
+
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
         favourites = getIntent().getParcelableExtra("favs");
 
-        ParceableFavsCallReason callReason = getIntent().getParcelableExtra("callReason");
+        sortedFavourites = new ParceableStationsList(favourites);
+
+        sortedFavourites.getList().sort(new WxStationComparator());
+
+        callReason = getIntent().getParcelableExtra("callReason");
 
         if (favourites == null || favourites.getList().size() == 0) {
             setContentView(R.layout.activity_favourites_empty);
@@ -45,8 +103,6 @@ public class FavouritesActivity extends AppCompatActivity {
             recyclerViewFavourites = findViewById(R.id.recyclerViewFavourites);
 
             if (recyclerViewFavourites != null) {
-                WeatherStationRecyclerViewAdapter adapter = null;
-
                 adapter = new WeatherStationRecyclerViewAdapter(favourites.getList(), this, callReason.getReason());
 
                 recyclerViewFavourites.setAdapter(adapter);

app/src/main/java/cc/pogoda/mobile/pogodacc/type/ParceableStationsList.java

@@ -121,6 +121,11 @@ public class ParceableStationsList implements Parcelable {
 
     }
 
+    public ParceableStationsList(ParceableStationsList in ) {
+        this.list = new ArrayList<>(in.getList());
+        this.listSize = this.list.size();
+    }
+
     public ParceableStationsList() {
 
     }

app/src/main/res/menu/menu_favourites.xml

@@ -2,7 +2,13 @@
 <menu xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <item android:title="@string/sort_alphabetical" />
-    <item android:title="@string/sort_in_adding_order" />
-    <item android:title="@string/clear_from_non_existent" />
+    <item
+        android:id="@+id/fav_sort_alph_oder"
+        android:title="@string/sort_alphabetical" />
+    <item
+        android:id="@+id/fav_sort_add_order"
+        android:title="@string/sort_in_adding_order" />
+    <item
+        android:id="@+id/fav_remove_noext"
+        android:title="@string/clear_from_non_existent" />
 </menu>