let AI comment everything because well... yeah...

lib/screens/excursion/widgets/hinweise.dart

@@ -1,9 +1,24 @@
+// * Widget for managing wildlife observation hints and indicators
+// * Features:
+// * - Checkbox selection for common observation types
+// * - Custom text input for additional observations
+// * - Automatic text aggregation of selected items
+// * Available observation types:
+// * - Resting places (Liegestelle)
+// * - Animal carcasses (Wildtierkadaver)
+// * - Direct sightings (Sichtung)
+// * - Howling (Heulen)
+// * - Other observations (Sonstiges)
+
 import 'package:fforte/enums/databases.dart';
 import 'package:fforte/screens/sharedWidgets/var_text_field.dart';
 import 'package:flutter/material.dart';
 import 'package:fforte/l10n/app_localizations.dart';
 
+/// Widget for recording various types of wildlife observations
+/// Combines predefined categories with custom input options
 class Hinweise extends StatefulWidget {
+  /// Controller for the combined observation text
   final TextEditingController hinweise;
 
   const Hinweise({super.key, required this.hinweise});
@@ -11,21 +26,29 @@ class Hinweise extends StatefulWidget {
   @override
   State<Hinweise> createState() => _HinweiseState();
 }
-class _HinweiseState extends State<Hinweise> {
-  // Vars for Checkboxes
- late bool liegestelleChecked; 
- late bool kadaverChecked; 
- late bool sichtungChecked; 
- late bool heulenChecked; 
- bool sonstigesChecked = false; 
 
-  // for sonstiges textfield
+/// State class for the observations widget
+class _HinweiseState extends State<Hinweise> {
+  // Checkbox state variables
+  /// Whether resting place was observed
+  late bool liegestelleChecked;
+  /// Whether animal carcass was found
+  late bool kadaverChecked;
+  /// Whether direct sighting occurred
+  late bool sichtungChecked;
+  /// Whether howling was heard
+  late bool heulenChecked;
+  /// Whether other observations exist
+  bool sonstigesChecked = false;
+
+  /// Controller for additional observations text
   TextEditingController sonstigesController = TextEditingController();
 
   @override
   void initState() {
     sonstigesController.addListener(updateController);
 
+    // Initialize checkboxes based on existing text
     liegestelleChecked = widget.hinweise.text.contains("Liegestelle") ? true : false;
     kadaverChecked = widget.hinweise.text.contains("Wildtierkadaver") ? true : false;
     sichtungChecked = widget.hinweise.text.contains("Sichtung") ? true : false;
@@ -33,6 +56,7 @@ class _HinweiseState extends State<Hinweise> {
 
     bool firstRun = true;
 
+    // Parse existing other observations
     for (String val in widget.hinweise.text.split(",")) {
       if (val != "Liegestelle" && val != "Wildtierkadaver" && val != "Sichtung" && val != "Heulen" && val != "") {
         sonstigesChecked = true;
@@ -51,6 +75,8 @@ class _HinweiseState extends State<Hinweise> {
     super.dispose();
   }
 
+  /// Update the main controller text based on selected options
+  /// Combines all checked items and additional text into a comma-separated string
   void updateController() {
     Map<String, bool> props = {
       "Liegestelle": liegestelleChecked,
@@ -63,6 +89,7 @@ class _HinweiseState extends State<Hinweise> {
 
     widget.hinweise.text = "";
 
+    // Build combined text from selected options
     for (String key in props.keys) {
       if (!firstRun && props[key]!) {
         widget.hinweise.text += ",";
@@ -74,7 +101,6 @@ class _HinweiseState extends State<Hinweise> {
       } else if (props[key]!){
         widget.hinweise.text += key;
       }
-
     }
     debugPrint(widget.hinweise.text);
   }
@@ -83,6 +109,7 @@ class _HinweiseState extends State<Hinweise> {
   Widget build(BuildContext context) {
     return Column(
       children: [
+        // Resting place checkbox
         CheckboxListTile(
             title: Text(AppLocalizations.of(context)!.liegestelle),
             value: liegestelleChecked,
@@ -90,6 +117,7 @@ class _HinweiseState extends State<Hinweise> {
               setState(() => liegestelleChecked = value ?? false);
               updateController();
             }),
+        // Animal carcass checkbox
         CheckboxListTile(
             title: Text(AppLocalizations.of(context)!.wildtierKadaver),
             value: kadaverChecked,
@@ -97,6 +125,7 @@ class _HinweiseState extends State<Hinweise> {
               setState(() => kadaverChecked = value ?? false);
               updateController();
             }),
+        // Direct sighting checkbox
         CheckboxListTile(
             title: Text(AppLocalizations.of(context)!.sichtung),
             value: sichtungChecked,
@@ -104,6 +133,7 @@ class _HinweiseState extends State<Hinweise> {
               setState(() => sichtungChecked = value ?? false);
               updateController();
             }),
+        // Howling checkbox
         CheckboxListTile(
             title: Text(AppLocalizations.of(context)!.heulen),
             value: heulenChecked,
@@ -111,6 +141,7 @@ class _HinweiseState extends State<Hinweise> {
               setState(() => heulenChecked = value ?? false);
               updateController();
             }),
+        // Other observations checkbox and input field
         CheckboxListTile(
             title: Text(AppLocalizations.of(context)!.sonstiges),
             value: sonstigesChecked,