Added dropdown support to generated form

lib/app_sources/fdroid.dart

@@ -1,6 +1,5 @@
 import 'dart:convert';
 
-import 'package:html/parser.dart';
 import 'package:http/http.dart';
 import 'package:obtainium/custom_errors.dart';
 import 'package:obtainium/providers/source_provider.dart';

lib/app_sources/izzyondroid.dart

@@ -1,4 +1,3 @@
-import 'package:html/parser.dart';
 import 'package:http/http.dart';
 import 'package:obtainium/app_sources/fdroid.dart';
 import 'package:obtainium/custom_errors.dart';

lib/components/generated_form.dart

@@ -2,7 +2,8 @@ import 'package:flutter/material.dart';
 
 enum FormItemType { string, bool }
 
-typedef OnValueChanges = void Function(List<String> values, bool valid);
+typedef OnValueChanges = void Function(
+    List<String> values, bool valid, bool isBuilding);
 
 class GeneratedFormItem {
   late String label;
@@ -13,6 +14,7 @@ class GeneratedFormItem {
   late String id;
   late List<Widget> belowWidgets;
   late String? hint;
+  late List<String>? opts;
 
   GeneratedFormItem(
       {this.label = 'Input',
@@ -22,7 +24,8 @@ class GeneratedFormItem {
       this.additionalValidators = const [],
       this.id = 'input',
       this.belowWidgets = const [],
-      this.hint});
+      this.hint,
+      this.opts});
 }
 
 class GeneratedForm extends StatefulWidget {
@@ -47,7 +50,7 @@ class _GeneratedFormState extends State<GeneratedForm> {
   List<List<Widget>> rows = [];
 
   // If any value changes, call this to update the parent with value and validity
-  void someValueChanged() {
+  void someValueChanged({bool isBuilding = false}) {
     List<String> returnValues = [];
     var valid = true;
     for (int r = 0; r < values.length; r++) {
@@ -62,7 +65,7 @@ class _GeneratedFormState extends State<GeneratedForm> {
         }
       }
     }
-    widget.onValueChanges(returnValues, valid);
+    widget.onValueChanges(returnValues, valid, isBuilding);
   }
 
   @override
@@ -75,6 +78,8 @@ class _GeneratedFormState extends State<GeneratedForm> {
         .map((row) => row.map((e) {
               return j < widget.defaultValues.length
                   ? widget.defaultValues[j++]
+                  : e.opts != null
+                      ? e.opts!.first
                       : '';
             }).toList())
         .toList();
@@ -82,7 +87,7 @@ class _GeneratedFormState extends State<GeneratedForm> {
     // Dynamically create form inputs
     formInputs = widget.items.asMap().entries.map((row) {
       return row.value.asMap().entries.map((e) {
-        if (e.value.type == FormItemType.string) {
+        if (e.value.type == FormItemType.string && e.value.opts == null) {
           final formFieldKey = GlobalKey<FormFieldState>();
           return TextFormField(
             key: formFieldKey,
@@ -112,11 +117,29 @@ class _GeneratedFormState extends State<GeneratedForm> {
               return null;
             },
           );
+        } else if (e.value.type == FormItemType.string &&
+            e.value.opts != null) {
+          if (e.value.opts!.isEmpty) {
+            return const Text('ERROR: DROPDOWN MUST HAVE AT LEAST ONE OPT.');
+          }
+          return DropdownButtonFormField(
+              decoration: const InputDecoration(labelText: 'Colour'),
+              value: values[row.key][e.key],
+              items: e.value.opts!
+                  .map((e) => DropdownMenuItem(value: e, child: Text(e)))
+                  .toList(),
+              onChanged: (value) {
+                setState(() {
+                  values[row.key][e.key] = value ?? e.value.opts!.first;
+                  someValueChanged();
+                });
+              });
         } else {
           return Container(); // Some input types added in build
         }
       }).toList();
     }).toList();
+    someValueChanged(isBuilding: true);
   }
 
   @override

lib/components/generated_form_modal.dart

@@ -46,11 +46,16 @@ class _GeneratedFormModalState extends State<GeneratedFormModal> {
           ),
         GeneratedForm(
             items: widget.items,
-            onValueChanges: (values, valid) {
+            onValueChanges: (values, valid, isBuilding) {
+              if (isBuilding) {
+                this.values = values;
+                this.valid = valid;
+              } else {
                 setState(() {
                   this.values = values;
                   this.valid = valid;
                 });
+              }
             },
             defaultValues: widget.defaultValues)
       ]),

lib/pages/add_app.dart

@@ -66,7 +66,7 @@ class _AddAppPageState extends State<AddAppPage> {
                                           ])
                                     ]
                                   ],
-                                  onValueChanges: (values, valid) {
+                                  onValueChanges: (values, valid, isBuilding) {
                                     setState(() {
                                       userInput = values[0];
                                       var source = valid
@@ -179,7 +179,7 @@ class _AddAppPageState extends State<AddAppPage> {
                                 .additionalDataFormItems.isNotEmpty)
                               GeneratedForm(
                                   items: pickedSource!.additionalDataFormItems,
-                                  onValueChanges: (values, valid) {
+                                  onValueChanges: (values, valid, isBuilding) {
                                     setState(() {
                                       additionalData = values;
                                       validAdditionalData = valid;

lib/pages/settings.dart

@@ -142,7 +142,7 @@ class _SettingsPageState extends State<SettingsPage> {
       if (e.moreSourceSettingsFormItems.isNotEmpty) {
         return GeneratedForm(
             items: e.moreSourceSettingsFormItems.map((e) => [e]).toList(),
-            onValueChanges: (values, valid) {
+            onValueChanges: (values, valid, isBuilding) {
               if (valid) {
                 for (var i = 0; i < values.length; i++) {
                   settingsProvider.setSettingString(