Add commons-app#2241: Add long-press to delete specific search (commons-app#2275)

Author: cypherop

app/src/main/java/fr/free/nrw/commons/explore/recentsearches/RecentSearchesDao.java

@@ -91,6 +91,26 @@ public void deleteAll() {
         }
     }
 
+    /**
+     * Deletes a recent search from the database
+     */
+    public void delete(RecentSearch recentSearch) {
+
+        ContentProviderClient db = clientProvider.get();
+        try {
+            if (recentSearch.getContentUri() == null) {
+                throw new RuntimeException("tried to delete item with no content URI");
+            } else {
+                db.delete(recentSearch.getContentUri(), null, null);
+            }
+        } catch (RemoteException e) {
+            throw new RuntimeException(e);
+        } finally {
+            db.release();
+        }
+    }
+
+
     /**
      * Find persisted search query in database, based on its name.
      * @param name Search query  Ex- "butterfly"

app/src/main/java/fr/free/nrw/commons/explore/recentsearches/RecentSearchesFragment.java

@@ -5,6 +5,7 @@
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.ImageView;
 import android.widget.ListView;
@@ -70,6 +71,22 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container,
         recentSearchesList.setAdapter(adapter);
         recentSearchesList.setOnItemClickListener((parent, view, position, id) -> (
                 (SearchActivity)getContext()).updateText(recentSearches.get(position)));
+        recentSearchesList.setOnItemLongClickListener((parent, view, position, id) -> {
+            new AlertDialog.Builder(getContext())
+            .setMessage(R.string.delete_search_dialog)
+            .setPositiveButton(R.string.delete,((dialog, which) -> {
+                recentSearchesDao.delete(recentSearchesDao.find(recentSearches.get(position)));
+                recentSearches = recentSearchesDao.recentSearches(10);
+                adapter = new ArrayAdapter<>(getContext(), R.layout.item_recent_searches, recentSearches);
+                recentSearchesList.setAdapter(adapter);
+                adapter.notifyDataSetChanged();
+                dialog.dismiss();
+            }))
+            .setNegativeButton(android.R.string.cancel,null)
+            .create()
+            .show();
+            return true;
+        });
         updateRecentSearches();
         return rootView;
     }

app/src/main/res/values/strings.xml

@@ -349,8 +349,10 @@
 
   <string name="no_recent_searches">No recent searches</string>
   <string name="delete_recent_searches_dialog">Are you sure you want to clear your search history?</string>
+  <string name="delete_search_dialog">Do you want to delete this search?</string>
   <string name="search_history_deleted">Search history deleted</string>
   <string name="nominate_delete">Nominate For Deletion</string>
+  <string name="delete">DELETE</string>
 
   <string name="Achievements">Achievements</string>
   <string name="statistics">STATISTICS</string>