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

lib/screens/excursion/widgets/strecke_u_spurbedingungen.dart

@@ -1,13 +1,28 @@
+// * Widget for recording travel distances and track conditions during excursions
+// * Features:
+// * - Distance tracking by transportation mode (car, foot, bicycle)
+// * - Track condition assessment (good, medium, poor)
+// * - Automatic validation of total distances
+// * - Input validation with user feedback
+
 import 'package:fforte/screens/helper/snack_bar_helper.dart';
 import 'package:flutter/material.dart';
 import 'package:fforte/l10n/app_localizations.dart';
 
+/// Widget for managing travel distances and track conditions
+/// Tracks both how the distance was covered and the quality of tracks found
 class StreckeUSpurbedingungen extends StatefulWidget {
+  /// Controller for distance traveled by car
   final TextEditingController kmAutoController;
+  /// Controller for distance traveled on foot
   final TextEditingController kmFussController;
+  /// Controller for distance traveled by bicycle
   final TextEditingController kmRadController;
+  /// Controller for distance with good track conditions
   final TextEditingController spGutController;
+  /// Controller for distance with medium track conditions
   final TextEditingController spMittelController;
+  /// Controller for distance with poor track conditions
   final TextEditingController spSchlechtController;
 
   const StreckeUSpurbedingungen({
@@ -24,6 +39,7 @@ class StreckeUSpurbedingungen extends StatefulWidget {
   StreckeUSpurbedingungenState createState() => StreckeUSpurbedingungenState();
 }
 
+/// State class for the distance and track conditions widget
 class StreckeUSpurbedingungenState extends State<StreckeUSpurbedingungen> {
   // vars for percent text fields
   // String carPercent = "0";
@@ -44,7 +60,7 @@ class StreckeUSpurbedingungenState extends State<StreckeUSpurbedingungen> {
     // widget.kmFussController.addListener(onDistanceTravledUpdated);
     // widget.kmRadController.addListener(onDistanceTravledUpdated);
 
-    // if one of the values is "" the excursion is edited for the first time. On which value i check here is unnecessarry
+    // Initialize distance values if not set
     if (widget.kmAutoController.text == "") {
       widget.kmAutoController.text = "0";
       widget.kmFussController.text = "0";
@@ -56,7 +72,7 @@ class StreckeUSpurbedingungenState extends State<StreckeUSpurbedingungen> {
     widget.spMittelController.addListener(onTrackConditionsUpdated);
     widget.spSchlechtController.addListener(onTrackConditionsUpdated);
 
-    // if one of the values is "" the excursion is edited for the first time. On which value i check here is unnecessarry
+    // Initialize track condition values if not set
     if (widget.spGutController.text == "") {
       widget.spGutController.text = "0";
       widget.spMittelController.text = "0";
@@ -87,20 +103,25 @@ class StreckeUSpurbedingungenState extends State<StreckeUSpurbedingungen> {
   //   }
   // }
 
+  /// Validate that track condition distances don't exceed total travel distance
+  /// Shows warning if track conditions total is greater than distance traveled
   void onTrackConditionsUpdated() {
     try {
+      // Parse track condition distances
       double kmGood = double.parse(widget.spGutController.text);
       double kmMiddle = double.parse(widget.spMittelController.text);
       double kmBad = double.parse(widget.spSchlechtController.text);
 
+      // Parse travel distances
       double kmAuto = double.parse(widget.kmAutoController.text);
       double kmFuss = double.parse(widget.kmFussController.text);
       double kmRad = double.parse(widget.kmRadController.text);
 
+      // Calculate totals
       double gesConditionsKm = (kmGood + kmMiddle + kmBad);
       double gesDistanceKm = (kmAuto + kmFuss + kmRad);
 
-
+      // Show warning if track conditions exceed distance
       if (gesConditionsKm > gesDistanceKm) {
         SnackBarHelper.showSnackBarMessage(context, AppLocalizations.of(context)!.bedingungenGroesserAlsStrecke);
       }
@@ -115,6 +136,7 @@ class StreckeUSpurbedingungenState extends State<StreckeUSpurbedingungen> {
   Widget build(BuildContext context) {
     return Column(
       children: [
+        // Travel distance section header
         Align(
           alignment: Alignment.bottomLeft,
           child: Text(
@@ -124,8 +146,10 @@ class StreckeUSpurbedingungenState extends State<StreckeUSpurbedingungen> {
         ),
         const SizedBox(height: 10),
 
+        // Travel distance inputs
         Row(
           children: [
+            // Car distance input
             Expanded(
               child: Padding(
                 padding: const EdgeInsets.all(8.0),
@@ -145,6 +169,7 @@ class StreckeUSpurbedingungenState extends State<StreckeUSpurbedingungen> {
               ),
             ),
 
+            // Foot distance input
             Expanded(
               child: Padding(
                 padding: const EdgeInsets.all(8.0),
@@ -164,6 +189,7 @@ class StreckeUSpurbedingungenState extends State<StreckeUSpurbedingungen> {
               ),
             ),
 
+            // Bicycle distance input
             Expanded(
               child: Padding(
                 padding: const EdgeInsets.all(8.0),
@@ -189,6 +215,7 @@ class StreckeUSpurbedingungenState extends State<StreckeUSpurbedingungen> {
 
         const SizedBox(height: 20),
 
+        // Track conditions section header
         Align(
           alignment: Alignment.bottomLeft,
           child: Text(
@@ -198,8 +225,10 @@ class StreckeUSpurbedingungenState extends State<StreckeUSpurbedingungen> {
         ),
         const SizedBox(height: 10,),
 
+        // Track condition inputs
         Row(
           children: [
+            // Good conditions input
             Expanded(
               child: Padding(
                 padding: const EdgeInsets.all(8),
@@ -215,6 +244,7 @@ class StreckeUSpurbedingungenState extends State<StreckeUSpurbedingungen> {
                 ),
               ),
             ),
+            // Medium conditions input
             Expanded(
               child: Padding(
                 padding: const EdgeInsets.all(8),
@@ -230,6 +260,7 @@ class StreckeUSpurbedingungenState extends State<StreckeUSpurbedingungen> {
                 ),
               ),
             ),
+            // Poor conditions input
             Expanded(
               child: Padding(
                 padding: const EdgeInsets.all(8),