Added dialog to set importance

app/src/main/java/eu/faircode/email/AdapterMessage.java

@@ -92,6 +92,7 @@ import android.widget.CompoundButton;
 import android.widget.EditText;
 import android.widget.ImageButton;
 import android.widget.ImageView;
+import android.widget.Spinner;
 import android.widget.TextView;
 import android.widget.Toast;
 
@@ -3303,6 +3304,9 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                         case R.id.menu_create_rule:
                             onMenuCreateRule(message);
                             return true;
+                        case R.id.menu_set_importance:
+                            onMenuSetImportance(message);
+                            return true;
                         case R.id.menu_manage_keywords:
                             onMenuManageKeywords(message);
                             return true;
@@ -3630,6 +3634,17 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             lbm.sendBroadcast(rule);
         }
 
+        private void onMenuSetImportance(TupleMessageEx message) {
+            Bundle args = new Bundle();
+            args.putLong("id", message.id);
+            if (message.importance != null)
+                args.putInt("importance", message.importance);
+
+            FragmentDialogSetImportance fragment = new FragmentDialogSetImportance();
+            fragment.setArguments(args);
+            fragment.show(parentFragment.getParentFragmentManager(), "keyword:importance");
+        }
+
         private void onMenuManageKeywords(TupleMessageEx message) {
             Bundle args = new Bundle();
             args.putLong("id", message.id);
@@ -4980,6 +4995,50 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         }
     }
 
+    public static class FragmentDialogSetImportance extends FragmentDialogBase {
+        @NonNull
+        @Override
+        public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
+            int importance = getArguments().getInt("importance", EntityMessage.PRIORITIY_NORMAL);
+
+            View view = LayoutInflater.from(getContext()).inflate(R.layout.dialog_importance, null);
+            final Spinner spImportance = view.findViewById(R.id.spImportance);
+            spImportance.setSelection(importance);
+
+            return new AlertDialog.Builder(getContext())
+                    .setView(view)
+                    .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            Bundle args = getArguments();
+                            args.putInt("importance", spImportance.getSelectedItemPosition());
+
+                            new SimpleTask<Void>() {
+                                @Override
+                                protected Void onExecute(Context context, Bundle args) throws Throwable {
+                                    long id = args.getLong("id");
+                                    Integer importance = args.getInt("importance");
+                                    if (EntityMessage.PRIORITIY_NORMAL.equals(importance))
+                                        importance = null;
+
+                                    DB db = DB.getInstance(context);
+                                    db.message().setMessageImportance(id, importance);
+
+                                    return null;
+                                }
+
+                                @Override
+                                protected void onException(Bundle args, Throwable ex) {
+                                    Log.unexpectedError(getParentFragmentManager(), ex);
+                                }
+                            }.execute(getContext(), getViewLifecycleOwner(), args, "importance: set");
+                        }
+                    })
+                    .setNegativeButton(android.R.string.cancel, null)
+                    .create();
+        }
+    }
+
     public static class FragmentDialogKeywordManage extends FragmentDialogBase {
         @NonNull
         @Override

app/src/main/res/layout/dialog_importance.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:padding="24dp"
+    android:scrollbarStyle="outsideOverlay">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <TextView
+            android:id="@+id/tvTitle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/title_rule_importance"
+            android:textAppearance="@style/TextAppearance.AppCompat.Large"
+            android:textColor="?android:attr/textColorPrimary"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <Spinner
+            android:id="@+id/spImportance"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="24dp"
+            android:entries="@array/priorityNames"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/tvTitle" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</ScrollView>

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

@@ -32,6 +32,10 @@
         android:id="@+id/menu_create_rule"
         android:title="@string/title_create_rule" />
 
+    <item
+        android:id="@+id/menu_set_importance"
+        android:title="@string/title_rule_importance" />
+
     <item
         android:id="@+id/menu_manage_keywords"
         android:title="@string/title_manage_keywords" />