created alram form widget placeholders

lib/widgets/alarm_widgets/alarm_form_widget.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+
+import '../../model/alarm.dart' show AlarmType;
+import '../../model/callback_models/create_alarm_request.dart';
+import '../../model/callback_models/create_fixed_time_alarm_request.dart';
+import '../../model/callback_models/create_location_alarm_request.dart';
+import '../../model/callback_models/create_relative_time_alarm_request.dart';
+import 'fixed_time_alarm_form.dart';
+import 'location_alarm_form.dart';
+import 'relative_time_alarm_form.dart';
+
+class AlarmForm extends StatelessWidget {
+  const AlarmForm({super.key, required this.request, required this.onChanged});
+
+  final CreateAlarmRequest request;
+  final ValueChanged<CreateAlarmRequest> onChanged;
+
+  @override
+  Widget build(BuildContext context) {
+    switch (request.alarmType) {
+      case AlarmType.timeFixed:
+        return FixedTimeAlarmForm(
+          request: request as CreateFixedTimeAlarmRequest,
+          onChanged: onChanged,
+        );
+
+      case AlarmType.timeRelative:
+        return RelativeTimeAlarmForm(
+          request: request as CreateRelativeTimeAlarmRequest,
+          onChanged: onChanged,
+        );
+
+      case AlarmType.location:
+        return LocationAlarmForm(
+          request: request as CreateLocationAlarmRequest,
+          onChanged: onChanged,
+        );
+    }
+  }
+}

lib/widgets/alarm_widgets/fixed_time_alarm_form.dart

@@ -0,0 +1,19 @@
+import 'package:flutter/material.dart';
+
+import '../../model/callback_models/create_alarm_request.dart';
+import '../../model/callback_models/create_fixed_time_alarm_request.dart';
+
+class FixedTimeAlarmForm extends StatelessWidget {
+  const FixedTimeAlarmForm({
+    super.key,
+    required this.request,
+    required this.onChanged,
+  });
+  final CreateFixedTimeAlarmRequest request;
+  final ValueChanged<CreateAlarmRequest> onChanged;
+
+  @override
+  Widget build(BuildContext context) {
+    return const Placeholder();
+  }
+}

lib/widgets/alarm_widgets/location_alarm_form.dart

@@ -0,0 +1,19 @@
+import 'package:flutter/material.dart';
+
+import '../../model/callback_models/create_alarm_request.dart';
+import '../../model/callback_models/create_location_alarm_request.dart';
+
+class LocationAlarmForm extends StatelessWidget {
+  const LocationAlarmForm({
+    super.key,
+    required this.request,
+    required this.onChanged,
+  });
+  final CreateLocationAlarmRequest request;
+  final ValueChanged<CreateAlarmRequest> onChanged;
+
+  @override
+  Widget build(BuildContext context) {
+    return const Placeholder();
+  }
+}

lib/widgets/alarm_widgets/relative_time_alarm_form.dart

@@ -0,0 +1,19 @@
+import 'package:flutter/material.dart';
+
+import '../../model/callback_models/create_alarm_request.dart';
+import '../../model/callback_models/create_relative_time_alarm_request.dart';
+
+class RelativeTimeAlarmForm extends StatelessWidget {
+  const RelativeTimeAlarmForm({
+    super.key,
+    required this.request,
+    required this.onChanged,
+  });
+  final CreateRelativeTimeAlarmRequest request;
+  final ValueChanged<CreateAlarmRequest> onChanged;
+
+  @override
+  Widget build(BuildContext context) {
+    return const Placeholder();
+  }
+}

lib/widgets/time_selector.dart

@@ -12,6 +12,7 @@ class TimeSelector extends StatefulWidget {
     required this.dueDateController,
     required this.dueTimeController,
     this.formKey,
+    this.onChanged,
   });
 
   final DateTime? initialDueDateTime;
@@ -19,6 +20,7 @@ class TimeSelector extends StatefulWidget {
   final FocusNode? nextFocusNode;
   final TextEditingController dueDateController;
   final TextEditingController dueTimeController;
+  final void Function(DateTime dateTime)? onChanged;
 
   @override
   State<TimeSelector> createState() => _TimeSelectorState();
@@ -48,7 +50,18 @@ class _TimeSelectorState extends State<TimeSelector> {
           child: TextFormField(
             focusNode: dueDateFocusNode,
             controller: widget.dueDateController,
-            onChanged: maybeEnableDueTime,
+            onChanged: (value) {
+              maybeEnableDueTime(value);
+              if (dateTimeValidator(value) == null &&
+                  widget.onChanged != null) {
+                final dateTime = DateTime.tryParse(
+                  '$value ${widget.dueTimeController.text}'.trim(),
+                );
+                if (dateTime != null) {
+                  widget.onChanged!(dateTime);
+                }
+              }
+            },
             onFieldSubmitted: (_) {
               isDueTimeEnabled
                   ? dueDateFocusNode.nextFocus()
@@ -85,6 +98,16 @@ class _TimeSelectorState extends State<TimeSelector> {
             onFieldSubmitted: (_) => dueTimeFocusNode.nextFocus(),
             controller: widget.dueTimeController,
             enabled: isDueTimeEnabled,
+            onChanged: (value) {
+              if (timeValidator(value) == null && widget.onChanged != null) {
+                final dateTime = DateTime.tryParse(
+                  '${widget.dueDateController.text} $value'.trim(),
+                );
+                if (dateTime != null) {
+                  widget.onChanged!(dateTime);
+                }
+              }
+            },
             decoration: InputDecoration(
               label: Text('Due Time'),
               suffixIcon: IconButton(