Initial commit: Flutter Weight Tracker Web
This commit is contained in:
556
lib/widgets/add_weight_dialog.dart
Normal file
556
lib/widgets/add_weight_dialog.dart
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@@ -0,0 +1,556 @@
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import 'dart:ui';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:get/get.dart';
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import 'package:intl/intl.dart';
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import '../models/home_model.dart';
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class AddWeightDialog extends StatefulWidget {
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final String personName;
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/// Letztes bekanntes Gewicht dieser Person – wird für weightChange benötigt.
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final double lastWeight;
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/// Wenn gesetzt → Edit-Modus: Felder werden vorausgefüllt.
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final WeightModel? existingEntry;
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const AddWeightDialog({
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super.key,
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required this.personName,
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required this.lastWeight,
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this.existingEntry,
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});
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/// Öffnet den Dialog zum Hinzufügen eines neuen Eintrags.
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static Future<WeightModel?> show({
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required String personName,
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required double lastWeight,
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}) {
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return Get.dialog<WeightModel>(
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AddWeightDialog(personName: personName, lastWeight: lastWeight),
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barrierColor: Colors.black.withValues(alpha: 0.55),
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);
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}
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/// Öffnet den Dialog zum Bearbeiten eines vorhandenen Eintrags.
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/// [previousWeight] = Gewicht des Eintrags VOR dem zu bearbeitenden.
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static Future<WeightModel?> showEdit({
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required WeightModel entry,
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required double previousWeight,
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}) {
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return Get.dialog<WeightModel>(
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AddWeightDialog(
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personName: entry.name,
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lastWeight: previousWeight,
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existingEntry: entry,
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),
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barrierColor: Colors.black.withValues(alpha: 0.55),
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);
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}
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@override
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State<AddWeightDialog> createState() => _AddWeightDialogState();
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}
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class _AddWeightDialogState extends State<AddWeightDialog>
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with SingleTickerProviderStateMixin {
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final _formKey = GlobalKey<FormState>();
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final _weightController = TextEditingController();
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late final TextEditingController _nameController;
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DateTime _selectedDate = DateTime.now();
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double? _parsedWeight;
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late AnimationController _anim;
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late Animation<double> _fadeScale;
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@override
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void initState() {
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super.initState();
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_nameController = TextEditingController(text: widget.personName);
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// Edit-Modus: Felder vorausfüllen
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if (widget.existingEntry != null) {
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final e = widget.existingEntry!;
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_weightController.text = e.weight.toString().replaceAll('.', ',');
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_parsedWeight = e.weight;
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_selectedDate = e.date;
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}
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_anim = AnimationController(
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vsync: this,
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duration: const Duration(milliseconds: 220),
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);
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_fadeScale = CurvedAnimation(parent: _anim, curve: Curves.easeOutBack);
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_anim.forward();
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}
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@override
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void dispose() {
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_weightController.dispose();
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_nameController.dispose();
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_anim.dispose();
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super.dispose();
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}
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double get _weightChange {
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if (_parsedWeight == null || widget.lastWeight == 0) return 0;
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return double.parse(
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(_parsedWeight! - widget.lastWeight).toStringAsFixed(2),
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);
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}
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Color get _changeColor {
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if (_weightChange < 0) return const Color(0xFF4FFFB0);
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if (_weightChange > 0) return const Color(0xFFFF6B6B);
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return Colors.white54;
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}
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String get _changeLabel {
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if (_parsedWeight == null) return '';
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if (widget.lastWeight == 0) return 'Erster Eintrag';
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final sign = _weightChange > 0 ? '+' : '';
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return '$sign${_weightChange.toStringAsFixed(1)} kg';
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}
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Future<void> _pickDate() async {
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final picked = await showDatePicker(
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context: context,
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initialDate: _selectedDate,
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firstDate: DateTime(2000),
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lastDate: DateTime(2100),
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builder: (context, child) => Theme(
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data: Theme.of(context).copyWith(
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colorScheme: const ColorScheme.dark(
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primary: Color(0xFF7B9FFF),
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onSurface: Colors.white,
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surface: Color(0xFF1A2035),
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),
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),
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child: child!,
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),
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);
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if (picked != null) setState(() => _selectedDate = picked);
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}
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void _submit() {
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if (!_formKey.currentState!.validate()) return;
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final name = _nameController.text.trim();
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final entry = WeightModel(
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// Im Edit-Modus dieselbe ID behalten
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id:
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widget.existingEntry?.id ??
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DateTime.now().millisecondsSinceEpoch.toString(),
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name: name,
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weight: _parsedWeight!,
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date: _selectedDate,
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weightChange: widget.lastWeight == 0 ? 0 : _weightChange,
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);
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Navigator.of(context).pop(entry);
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}
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@override
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Widget build(BuildContext context) {
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return ScaleTransition(
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scale: _fadeScale,
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child: FadeTransition(
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opacity: _anim,
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child: Center(
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child: ConstrainedBox(
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constraints: const BoxConstraints(maxWidth: 460),
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 40),
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child: ClipRRect(
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borderRadius: BorderRadius.circular(24),
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child: BackdropFilter(
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filter: ImageFilter.blur(sigmaX: 24, sigmaY: 24),
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child: Material(
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type: MaterialType.transparency,
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child: Container(
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decoration: BoxDecoration(
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color: Colors.white.withValues(alpha: 0.1),
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borderRadius: BorderRadius.circular(24),
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border: Border.all(
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color: Colors.white.withValues(alpha: 0.2),
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width: 1,
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),
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),
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child: Form(
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key: _formKey,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// ── Titelzeile ──────────────────────────
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_DialogHeader(
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personName: widget.personName,
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isEdit: widget.existingEntry != null,
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),
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Padding(
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padding: const EdgeInsets.fromLTRB(20, 20, 20, 0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// Name
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_GlassField(
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label: 'Name',
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icon: Icons.person_outline_rounded,
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child: TextFormField(
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controller: _nameController,
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style: const TextStyle(
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color: Colors.white,
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fontSize: 16,
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),
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decoration: _inputDecoration('z. B. Joe'),
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validator: (v) =>
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(v == null || v.trim().isEmpty)
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? 'Name eingeben'
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: null,
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),
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),
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const SizedBox(height: 14),
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// Gewicht
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_GlassField(
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label: 'Gewicht',
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icon: Icons.monitor_weight_outlined,
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child: TextFormField(
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controller: _weightController,
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keyboardType:
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const TextInputType.numberWithOptions(
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decimal: true,
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),
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inputFormatters: [
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FilteringTextInputFormatter.allow(
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RegExp(r'^\d*[.,]?\d*'),
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),
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],
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style: const TextStyle(
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color: Colors.white,
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fontSize: 16,
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),
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decoration: _inputDecoration(
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'z. B. 72,5',
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),
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onChanged: (v) {
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final parsed = double.tryParse(
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v.replaceAll(',', '.'),
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);
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setState(() => _parsedWeight = parsed);
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},
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validator: (v) {
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if (v == null || v.isEmpty) {
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return 'Gewicht eingeben';
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}
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if (double.tryParse(
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v.replaceAll(',', '.'),
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) ==
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null) {
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return 'Ungültige Zahl';
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}
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return null;
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},
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),
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),
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const SizedBox(height: 14),
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// Datum
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_GlassField(
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label: 'Datum',
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icon: Icons.calendar_today_outlined,
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child: InkWell(
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onTap: _pickDate,
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borderRadius: BorderRadius.circular(10),
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child: InputDecorator(
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decoration: _inputDecoration(''),
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child: Text(
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DateFormat(
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'dd.MM.yyyy',
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).format(_selectedDate),
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style: const TextStyle(
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color: Colors.white,
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fontSize: 16,
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),
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),
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),
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),
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),
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const SizedBox(height: 20),
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// Vorschau weightChange
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if (_parsedWeight != null)
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_ChangePreview(
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label: _changeLabel,
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color: _changeColor,
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lastWeight: widget.lastWeight,
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),
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if (_parsedWeight != null)
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const SizedBox(height: 20),
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// Buttons
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Row(
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children: [
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Expanded(
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child: _GlassButton(
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label: 'Abbrechen',
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onPressed: () =>
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Navigator.of(context).pop(),
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primary: false,
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: _GlassButton(
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label: widget.existingEntry != null
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? 'Speichern'
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: 'Hinzufügen',
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onPressed: _submit,
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primary: true,
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),
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),
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],
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),
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const SizedBox(height: 20),
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],
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),
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),
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],
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),
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), // Form
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), // Container
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), // Material
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), // BackdropFilter
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), // ClipRRect
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), // Padding
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), // ConstrainedBox
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), // Center
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), // FadeTransition
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); // ScaleTransition
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}
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InputDecoration _inputDecoration(String hint) => InputDecoration(
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hintText: hint,
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hintStyle: TextStyle(
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color: Colors.white.withValues(alpha: 0.35),
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fontSize: 14,
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),
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filled: true,
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fillColor: Colors.white.withValues(alpha: 0.07),
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contentPadding: const EdgeInsets.symmetric(horizontal: 14, vertical: 12),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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borderSide: BorderSide(color: Colors.white.withValues(alpha: 0.2)),
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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borderSide: BorderSide(color: Colors.white.withValues(alpha: 0.2)),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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borderSide: const BorderSide(color: Color(0xFF7B9FFF), width: 1.5),
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),
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errorBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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borderSide: const BorderSide(color: Color(0xFFFF6B6B), width: 1.2),
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),
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focusedErrorBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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borderSide: const BorderSide(color: Color(0xFFFF6B6B), width: 1.5),
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),
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errorStyle: const TextStyle(color: Color(0xFFFF6B6B), fontSize: 11),
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);
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}
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// ─────────────────────────────────────────────────────────────────────────────
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// Hilfs-Widgets
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// ─────────────────────────────────────────────────────────────────────────────
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class _DialogHeader extends StatelessWidget {
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final String personName;
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final bool isEdit;
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const _DialogHeader({required this.personName, this.isEdit = false});
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@override
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Widget build(BuildContext context) {
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return Container(
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padding: const EdgeInsets.fromLTRB(20, 18, 12, 14),
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decoration: BoxDecoration(
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color: Colors.white.withValues(alpha: 0.06),
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border: Border(
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bottom: BorderSide(color: Colors.white.withValues(alpha: 0.12)),
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),
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),
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child: Row(
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children: [
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Icon(
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isEdit ? Icons.edit_outlined : Icons.add_circle_outline_rounded,
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color: const Color(0xFF7B9FFF),
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size: 22,
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),
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const SizedBox(width: 10),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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isEdit ? 'Eintrag bearbeiten' : 'Gewicht hinzufügen',
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style: const TextStyle(
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color: Colors.white,
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fontSize: 17,
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fontWeight: FontWeight.w700,
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letterSpacing: 0.3,
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),
|
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),
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Text(
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personName,
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style: TextStyle(
|
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color: Colors.white.withValues(alpha: 0.55),
|
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fontSize: 13,
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
IconButton(
|
||||
onPressed: () => Navigator.of(context).pop(),
|
||||
icon: Icon(
|
||||
Icons.close_rounded,
|
||||
color: Colors.white.withValues(alpha: 0.5),
|
||||
size: 20,
|
||||
),
|
||||
splashRadius: 18,
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class _GlassField extends StatelessWidget {
|
||||
final String label;
|
||||
final IconData icon;
|
||||
final Widget child;
|
||||
|
||||
const _GlassField({
|
||||
required this.label,
|
||||
required this.icon,
|
||||
required this.child,
|
||||
});
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Row(
|
||||
children: [
|
||||
Icon(icon, color: Colors.white.withValues(alpha: 0.5), size: 14),
|
||||
const SizedBox(width: 6),
|
||||
Text(
|
||||
label,
|
||||
style: TextStyle(
|
||||
color: Colors.white.withValues(alpha: 0.6),
|
||||
fontSize: 12,
|
||||
fontWeight: FontWeight.w600,
|
||||
letterSpacing: 0.8,
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
const SizedBox(height: 6),
|
||||
child,
|
||||
],
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class _ChangePreview extends StatelessWidget {
|
||||
final String label;
|
||||
final Color color;
|
||||
final double lastWeight;
|
||||
|
||||
const _ChangePreview({
|
||||
required this.label,
|
||||
required this.color,
|
||||
required this.lastWeight,
|
||||
});
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Container(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 10),
|
||||
decoration: BoxDecoration(
|
||||
color: color.withValues(alpha: 0.1),
|
||||
borderRadius: BorderRadius.circular(10),
|
||||
border: Border.all(color: color.withValues(alpha: 0.35)),
|
||||
),
|
||||
child: Row(
|
||||
children: [
|
||||
Icon(Icons.swap_vert_rounded, color: color, size: 18),
|
||||
const SizedBox(width: 8),
|
||||
Text(
|
||||
lastWeight == 0 ? label : 'Änderung zum letzten Eintrag: ',
|
||||
style: TextStyle(
|
||||
color: Colors.white.withValues(alpha: 0.7),
|
||||
fontSize: 13,
|
||||
),
|
||||
),
|
||||
if (lastWeight != 0)
|
||||
Text(
|
||||
label,
|
||||
style: TextStyle(
|
||||
color: color,
|
||||
fontSize: 13,
|
||||
fontWeight: FontWeight.w700,
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class _GlassButton extends StatelessWidget {
|
||||
final String label;
|
||||
final VoidCallback onPressed;
|
||||
final bool primary;
|
||||
|
||||
const _GlassButton({
|
||||
required this.label,
|
||||
required this.onPressed,
|
||||
required this.primary,
|
||||
});
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Material(
|
||||
color: Colors.transparent,
|
||||
child: InkWell(
|
||||
onTap: onPressed,
|
||||
borderRadius: BorderRadius.circular(12),
|
||||
child: Container(
|
||||
padding: const EdgeInsets.symmetric(vertical: 13),
|
||||
decoration: BoxDecoration(
|
||||
color: primary
|
||||
? const Color(0xFF7B9FFF).withValues(alpha: 0.25)
|
||||
: Colors.white.withValues(alpha: 0.07),
|
||||
borderRadius: BorderRadius.circular(12),
|
||||
border: Border.all(
|
||||
color: primary
|
||||
? const Color(0xFF7B9FFF).withValues(alpha: 0.6)
|
||||
: Colors.white.withValues(alpha: 0.15),
|
||||
width: 1,
|
||||
),
|
||||
),
|
||||
alignment: Alignment.center,
|
||||
child: Text(
|
||||
label,
|
||||
style: TextStyle(
|
||||
color: primary ? const Color(0xFF7B9FFF) : Colors.white60,
|
||||
fontWeight: FontWeight.w700,
|
||||
fontSize: 14,
|
||||
letterSpacing: 0.3,
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user