re init

lib/common/utils/base_utils.dart

@@ -0,0 +1,95 @@
+import 'package:fluent_ui/fluent_ui.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/rendering.dart';
+import 'dart:ui' as ui;
+
+void dPrint(src) {
+  if (kDebugMode) {
+    print(src);
+  }
+}
+
+Future showToast(BuildContext context, String msg,
+    {BoxConstraints? constraints}) async {
+  return showBaseDialog(context,
+      title: "提示",
+      content: Text(msg),
+      actions: [
+        FilledButton(
+          child: const Padding(
+            padding: EdgeInsets.only(top: 2, bottom: 2, left: 8, right: 8),
+            child: Text('关闭'),
+          ),
+          onPressed: () => Navigator.pop(context),
+        ),
+      ],
+      constraints: constraints);
+}
+
+Future<bool> showConfirmDialogs(
+    BuildContext context, String title, Widget content,
+    {String confirm = "确认",
+    String cancel = "取消",
+    BoxConstraints? constraints}) async {
+  final r = await showBaseDialog(context,
+      title: title,
+      content: content,
+      actions: [
+        if (confirm.isNotEmpty)
+          FilledButton(
+            child: Padding(
+              padding:
+                  const EdgeInsets.only(top: 2, bottom: 2, left: 8, right: 8),
+              child: Text(confirm),
+            ),
+            onPressed: () => Navigator.pop(context, true),
+          ),
+        if (cancel.isNotEmpty)
+          Button(
+            child: Padding(
+              padding:
+                  const EdgeInsets.only(top: 2, bottom: 2, left: 8, right: 8),
+              child: Text(cancel),
+            ),
+            onPressed: () => Navigator.pop(context, false),
+          ),
+      ],
+      constraints: constraints);
+  return r == true;
+}
+
+Future showBaseDialog(BuildContext context,
+    {required String title,
+    required Widget content,
+    List<Widget>? actions,
+    BoxConstraints? constraints}) async {
+  return await showDialog(
+    context: context,
+    builder: (context) => ContentDialog(
+      title: Text(title),
+      content: content,
+      constraints: constraints ?? kDefaultContentDialogConstraints,
+      actions: actions,
+    ),
+  );
+}
+
+bool stringIsNotEmpty(String? s) {
+  return s != null && (s.isNotEmpty);
+}
+
+Future<Uint8List?> widgetToPngImage(GlobalKey repaintBoundaryKey,
+    {double pixelRatio = 3.0}) async {
+  RenderRepaintBoundary? boundary = repaintBoundaryKey.currentContext
+      ?.findRenderObject() as RenderRepaintBoundary?;
+  if (boundary == null) return null;
+
+  ui.Image image = await boundary.toImage(pixelRatio: pixelRatio);
+  ByteData? byteData = await image.toByteData(format: ui.ImageByteFormat.png);
+  if (byteData == null) return null;
+  var pngBytes = byteData.buffer.asUint8List();
+  return pngBytes;
+}
+
+double roundDoubleTo(double value, double precision) =>
+    (value * precision).round() / precision;