Initial commit

app/lib/widgets/general/elevated_button_progress_indicator.dart

@@ -0,0 +1,41 @@
+import 'package:flutter/material.dart';
+
+/// [ElevatedButtonProgressIndicator] can be used within an [ElevatedButton] to
+/// show a progress indicator, while the action of the button is executed.
+///
+///     ElevatedButton.icon(
+///       style: ElevatedButton.styleFrom(
+///         maximumSize: const Size.fromHeight(
+///           Constants.elevatedButtonSize,
+///         ),
+///         minimumSize: const Size.fromHeight(
+///           Constants.elevatedButtonSize,
+///         ),
+///       ),
+///       label: Text(
+///         AppLocalizations.of(context)
+///             .dashboardCreateDeckButton,
+///       ),
+///       onPressed: isLoading ? null : () => runAction(),
+///       icon: isLoading
+///           ? const ElevatedButtonProgressIndicator()
+///           : const Icon(
+///               Icons.view_column_outlined,
+///             ),
+///     )
+class ElevatedButtonProgressIndicator extends StatelessWidget {
+  const ElevatedButtonProgressIndicator({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      width: 24,
+      height: 24,
+      padding: const EdgeInsets.all(2.0),
+      child: const CircularProgressIndicator(
+        color: Colors.white,
+        strokeWidth: 2,
+      ),
+    );
+  }
+}