#14 add ssh log

lib/view/widget/future_widget.dart

@@ -0,0 +1,47 @@
+import 'package:flutter/material.dart';
+
+class FutureWidget<T> extends StatelessWidget {
+  final Future future;
+  final Widget loading;
+  final Widget Function(Object? error, StackTrace? trace) error;
+  final Widget Function(T data) success;
+  final Widget noData;
+  final Widget Function(AsyncSnapshot<Object?> snapshot)? active;
+
+  const FutureWidget({
+    super.key,
+    required this.future,
+    required this.loading,
+    required this.error,
+    required this.success,
+    required this.noData,
+    this.active,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return FutureBuilder(
+      future: future,
+      builder: (context, snapshot) {
+        if (snapshot.hasError) {
+          return error(snapshot.error, snapshot.stackTrace);
+        }
+        switch (snapshot.connectionState) {
+          case ConnectionState.none:
+          case ConnectionState.waiting:
+            return loading;
+          case ConnectionState.active:
+            if (active != null) {
+              return active!(snapshot);
+            }
+            return loading;
+          case ConnectionState.done:
+            if (snapshot.hasData) {
+              return success(snapshot.data as T);
+            }
+            return noData;
+        }
+      },
+    );
+  }
+}