9.0.2

gui/lib/src/widget/file_selector.dart

@@ -0,0 +1,79 @@
+import 'package:fluent_ui/fluent_ui.dart';
+import 'package:flutter/foundation.dart';
+import 'package:reboot_launcher/src/util/picker.dart';
+
+class FileSelector extends StatefulWidget {
+  final String placeholder;
+  final String windowTitle;
+  final bool allowNavigator;
+  final TextEditingController controller;
+  final String? Function(String?) validator;
+  final AutovalidateMode? validatorMode;
+  final String? extension;
+  final String? label;
+  final bool folder;
+
+  const FileSelector(
+      {required this.placeholder,
+        required this.windowTitle,
+        required this.controller,
+        required this.validator,
+        required this.folder,
+        this.label,
+        this.extension,
+        this.validatorMode,
+        this.allowNavigator = true,
+        Key? key})
+      : assert(folder || extension != null, "Missing extension for file selector"),
+        super(key: key);
+
+  @override
+  State<FileSelector> createState() => _FileSelectorState();
+}
+
+class _FileSelectorState extends State<FileSelector> {
+  bool _selecting = false;
+
+  @override
+  Widget build(BuildContext context) {
+    return widget.label != null ? InfoLabel(
+      label: widget.label!,
+      child: _buildBody,
+    ) : _buildBody;
+  }
+
+  Widget get _buildBody => TextFormBox(
+      controller: widget.controller,
+      placeholder: widget.placeholder,
+      validator: widget.validator,
+      autovalidateMode: widget.validatorMode ?? AutovalidateMode.onUserInteraction,
+      suffix: !widget.allowNavigator ? null : Button(
+          onPressed: _onPressed,
+          child: const Icon(FluentIcons.open_folder_horizontal)
+      )
+  );
+
+  void _onPressed() {
+    if(_selecting){
+      return;
+    }
+
+    _selecting = true;
+    if(widget.folder) {
+      compute(openFolderPicker, widget.windowTitle)
+          .then(_updateText)
+          .then((_) => _selecting = false);
+      return;
+    }
+
+    compute(openFilePicker, widget.extension!)
+        .then(_updateText)
+        .then((_) => _selecting = false);
+  }
+
+  void _updateText(String? value) {
+    var text = value ?? widget.controller.text;
+    widget.controller.text = value ?? widget.controller.text;
+    widget.controller.selection = TextSelection.collapsed(offset: text.length);
+  }
+}