Refactoring of paginated views

lib/widget/paginator.dart

@@ -0,0 +1,44 @@
+// Pagination related widgets
+
+import 'package:flutter/material.dart';
+import 'package:font_awesome_flutter/font_awesome_flutter.dart';
+
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+
+class PaginatedSearch extends StatelessWidget {
+
+  Function callback;
+
+  PaginatedSearch({this.callback});
+
+  @override
+  Widget build(BuildContext context) {
+    return SliverToBoxAdapter(
+      child: TextField(
+          onChanged: callback,
+          decoration: InputDecoration(
+            hintText: "Search",
+          ),
+      )
+    );
+  }
+}
+
+class NoResultsWidget extends StatelessWidget {
+
+  final String description;
+
+  NoResultsWidget(this.description);
+
+  @override
+  Widget build(BuildContext context) {
+
+    return ListTile(
+      title: Text(I18N.of(context).noResults),
+      subtitle: Text(description),
+      leading: FaIcon(FontAwesomeIcons.exclamationCircle),
+    );
+  }
+
+}
+