dep

base_project/lib/BuilderField/shared/ui/entity_form.dart

@@ -383,15 +383,14 @@
 //     }
 //   }
 // }
-
-import 'dart:convert';
-
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import '../../../core/providers/dynamic_theme_provider.dart';
 import '../fields/base_field.dart';
+import '../fields/dependent_dropdown_field.dart';
 import '../../../shared/widgets/buttons/modern_button.dart';
 import '../../../core/constants/ui_constants.dart';
+import 'dart:convert';
 
 /// Reusable form component that dynamically renders fields based on field definitions
 /// This allows UI to be independent of field types and enables reusability
@@ -419,12 +418,14 @@ class _EntityFormState extends State<EntityForm> {
   final _formKey = GlobalKey<FormState>();
   final Map<String, TextEditingController> _controllers = {};
   final Map<String, BaseField> _fieldByKey = {};
+  final Map<String, List<DependentDropdownField>> _dependentFields = {};
   late final Map<String, dynamic> _initialData;
 
   @override
   void initState() {
     super.initState();
     _initializeControllers();
+    _setupDependentFields();
   }
 
   void _initializeControllers() {
@@ -452,6 +453,37 @@ class _EntityFormState extends State<EntityForm> {
     }
   }
 
+  void _setupDependentFields() {
+    // Group dependent dropdown fields by their dependent field key
+    for (final field in widget.fields) {
+      if (field is DependentDropdownField) {
+        final dependentFieldKey = field.dependentFieldKey;
+        if (!_dependentFields.containsKey(dependentFieldKey)) {
+          _dependentFields[dependentFieldKey] = [];
+        }
+        _dependentFields[dependentFieldKey]!.add(field);
+      }
+    }
+  }
+
+  void _handleFieldChange(String fieldKey) {
+    setState(() {});
+
+    // Check if this field has dependent dropdowns
+    if (_dependentFields.containsKey(fieldKey)) {
+      final dependentFields = _dependentFields[fieldKey]!;
+      final fieldValue = _controllers[fieldKey]?.text ?? '';
+
+      // Clear dependent dropdown values when parent field changes
+      for (final dependentField in dependentFields) {
+        _controllers[dependentField.fieldKey]?.clear();
+      }
+
+      // Trigger rebuild to update dependent dropdowns
+      setState(() {});
+    }
+  }
+
   @override
   void dispose() {
     for (final controller in _controllers.values) {
@@ -482,7 +514,7 @@ class _EntityFormState extends State<EntityForm> {
                       child: field.buildField(
                         controller: _controllers[field.fieldKey]!,
                         colorScheme: colorScheme,
-                        onChanged: () => setState(() {}),
+                        onChanged: () => _handleFieldChange(field.fieldKey),
                       ),
                     )),