166 lines
5.8 KiB
Dart
166 lines
5.8 KiB
Dart
import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_application_1/enums.dart';
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import 'package:flutter_application_1/utils.dart';
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// Widget zur Auswahl des Ausschüttungsintervalls
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class IntervalWidget extends StatefulWidget {
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final String selectedInterval; // Das aktuell ausgewählte Intervall
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final Function(String) onChanged; // Funktion, die aufgerufen wird, wenn das Intervall geändert wird
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const IntervalWidget({
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super.key,
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required this.selectedInterval,
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required this.onChanged
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});
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@override
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IntervalWidgetState createState() => IntervalWidgetState();
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}
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class IntervalWidgetState extends State<IntervalWidget> {
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bool isExpanded = false; // Zustand, ob das Intervall-Auswahlfenster erweitert ist
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final LayerLink _layerLink = LayerLink(); // LayerLink für den Overlay
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OverlayEntry? _overlayEntry;
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void _toggleDropdown() {
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if (isExpanded) {
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_overlayEntry?.remove();
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_overlayEntry = null;
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setState(() {
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isExpanded = false;
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});
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} else {
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_overlayEntry = _createOverlayEntry();
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Overlay.of(context).insert(_overlayEntry!);
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setState(() {
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isExpanded = true;
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});
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}
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}
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OverlayEntry _createOverlayEntry() {
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return OverlayEntry(
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builder: (context) => Positioned(
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width: 160,
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child: CompositedTransformFollower(
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link: _layerLink,
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showWhenUnlinked: false,
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offset: const Offset(0.0, 60),
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child: Material(
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color: CupertinoColors.extraLightBackgroundGray,
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borderRadius: BorderRadius.circular(5),
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elevation: 4.0,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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// ListTile für jährliches Ausschüttungsintervall
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ListTile(
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title: Text(
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translateInterval(PayoutInterval.yearly),
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style: const TextStyle(
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color: CupertinoColors.black,
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fontSize: 14,
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),
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),
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trailing: widget.selectedInterval == translateInterval(PayoutInterval.yearly)
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? const Icon(CupertinoIcons.checkmark_alt, color: CupertinoColors.black)
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: null,
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onTap: () {
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widget.onChanged(translateInterval(PayoutInterval.yearly));
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_toggleDropdown();
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},
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),
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// ListTile für monatliches Ausschüttungsintervall
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ListTile(
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title: Text(
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translateInterval(PayoutInterval.monthly),
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style: const TextStyle(
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color: CupertinoColors.black,
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),
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),
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trailing: widget.selectedInterval == translateInterval(PayoutInterval.monthly)
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? const Icon(CupertinoIcons.checkmark_alt, color: CupertinoColors.black)
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: null,
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onTap: () {
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widget.onChanged(translateInterval(PayoutInterval.monthly));
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_toggleDropdown();
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},
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),
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],
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),
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),
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),
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),
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);
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}
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@override
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Widget build(BuildContext context) {
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return CompositedTransformTarget(
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link: _layerLink,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Row(
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children: [
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Text(
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'Ausschüttungsintervall',
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style: TextStyle(
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fontWeight: FontWeight.bold,
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fontSize: 16,
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),
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),
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SizedBox(width: 5),
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// Tooltip mit Erklärung zum Ausschüttungsintervall
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Tooltip(
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message: 'Das Ausschüttungsintervall bezieht sich darauf, wie oft die Erträge aus Ihrer Investition ausgeschüttet werden.',
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triggerMode: TooltipTriggerMode.tap,
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decoration: BoxDecoration(
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color: CupertinoColors.black,
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borderRadius: BorderRadius.all(Radius.circular(5))
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),
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textStyle: TextStyle(
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color: CupertinoColors.white,
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),
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margin: EdgeInsets.all(20),
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child: Icon(CupertinoIcons.question_circle_fill, size: 15),
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),
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]
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),
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Container(
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alignment: Alignment.centerLeft,
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width: 160,
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child: ElevatedButton(
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onPressed: _toggleDropdown,
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style: ButtonStyle(
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backgroundColor: MaterialStateProperty.all<Color>(CupertinoColors.extraLightBackgroundGray),
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foregroundColor: MaterialStateProperty.all<Color>(CupertinoColors.black),
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overlayColor: MaterialStateProperty.all<Color>(CupertinoColors.extraLightBackgroundGray),
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surfaceTintColor: MaterialStateProperty.all<Color>(CupertinoColors.extraLightBackgroundGray),
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shape: MaterialStateProperty.all<RoundedRectangleBorder>(
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RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(5),
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),
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),
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),
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child: Row(
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children: [
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Expanded(
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child: Text(
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widget.selectedInterval, // Text des ausgewählten Intervalls
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),
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),
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Icon(isExpanded ? Icons.keyboard_arrow_up : Icons.keyboard_arrow_down),
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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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