add movie(s)

lib/widgets/movies/list_screen.dart

@@ -335,8 +335,7 @@ class _MoviesScreenState extends State<MoviesScreen> {
   }
 
   void addMovieToList(Movie movie) {
-    String movieTitle = movie.movieTitle.toUpperCase();
-
+    String movieTitle = movie.movieTitle.toUpperCase().replaceAll('Ä', 'a').replaceAll('Ö', 'ö').replaceAll('Ü', 'ü').replaceAll('ß', 'ss');
     _moviesList.add(movie);
 
     DataGridRow newRow = DataGridRow(cells: [
@@ -356,21 +355,20 @@ class _MoviesScreenState extends State<MoviesScreen> {
     for (int i = 0; i < movieDataSource._movieDataGridRows.length; i++) {
       DataGridRow tmpRow = movieDataSource._movieDataGridRows[i];
       List<DataGridCell> tmpCells = tmpRow.getCells();
-      String tmpTitle = tmpCells[3].value.toString();
+      String tmpTitle = tmpCells[3].value.toString().toUpperCase().replaceAll('Ä', 'a').replaceAll('Ö', 'ö').replaceAll('Ü', 'ü').replaceAll('ß', 'ss');
 
       if (tmpTitle.toUpperCase().compareTo(movieTitle) >= 0) {
         rowNum = i;
         break;
       }
-
     }
 
     if (rowNum == -1) {
       rowNum = movieDataSource._movieDataGridRows.length;
     }
 
-    movieDataSource._movieDataGridRows.insert(rowNum, newRow);
-    movieDataSource.updateDataGrid();
+    movieDataSource.rows.insert(rowNum, newRow);
+    movieDataSource.notifyListeners();
   }
 
   void addMovieFinished() {}
@@ -398,6 +396,13 @@ class MovieDataSource extends DataGridSource {
     buildDataGridRow();
   }
 
+  void addDataGridRow(DataGridRow newRow) {
+    rows.add(newRow);
+
+    // To refresh the DataGrid based on CRUD operation.
+    notifyListeners();
+  }
+
   Logger logger = getLogger();
 
   void buildDataGridRow() {