component updates

lib/widgets/didvan/button.dart

@@ -8,11 +8,13 @@ class DidvanButton extends StatelessWidget {
   final VoidCallback? onPressed;
   final String? title;
   final ButtonStyleMode style;
+  final bool enabled;
   const DidvanButton({
     Key? key,
     this.onPressed,
     this.title,
     this.style = ButtonStyleMode.primary,
+    this.enabled = true,
   }) : super(key: key);
 
   @override
@@ -34,7 +36,6 @@ class DidvanButton extends StatelessWidget {
         break;
       default:
     }
-
     return SizedBox(
       height: 48,
       width: double.infinity,
@@ -46,20 +47,23 @@ class DidvanButton extends StatelessWidget {
               : BorderSide.none,
         ),
         color: backgroundColor,
-        onPressed: () {
-          FocusScope.of(context).unfocus();
-          onPressed?.call();
-        },
-        child: _childBuilder(foregroundColor),
+        disabledColor: Theme.of(context).colorScheme.disabledBackground,
+        onPressed: !enabled
+            ? null
+            : () {
+                FocusScope.of(context).unfocus();
+                onPressed?.call();
+              },
+        child: _childBuilder(foregroundColor, context),
       ),
     );
   }
 
-  Widget? _childBuilder(Color color) {
+  Widget? _childBuilder(Color color, context) {
     if (title != null) {
       return DidvanText(
         title!,
-        color: color,
+        color: enabled ? color : Theme.of(context).colorScheme.disabledText,
       );
     }
   }

lib/widgets/didvan/scaffold.dart

@@ -6,13 +6,13 @@ class DidvanScaffold extends StatelessWidget {
   final List<Widget>? slivers;
   final List<Widget>? children;
   final AppBarData appBarData;
-  final bool hasPadding;
+  final EdgeInsets padding;
   const DidvanScaffold({
     Key? key,
     this.slivers,
     required this.appBarData,
-    this.hasPadding = true,
     this.children,
+    this.padding = const EdgeInsets.symmetric(horizontal: 16),
   }) : super(key: key);
 
   @override
@@ -35,7 +35,7 @@ class DidvanScaffold extends StatelessWidget {
             ),
             if (children != null)
               SliverPadding(
-                padding: const EdgeInsets.symmetric(horizontal: 16),
+                padding: padding,
                 sliver: SliverList(
                   delegate: SliverChildBuilderDelegate(
                     (context, index) => children![index],

lib/widgets/didvan/text_field.dart

@@ -15,7 +15,7 @@ class DidvanTextField extends StatefulWidget {
   final String? hintText;
   final dynamic initialValue;
   final bool obsecureText;
-  final String? Function(String? value)? validator;
+  final Function(String value)? validator;
   final TextInputType? textInputType;
   const DidvanTextField({
     Key? key,
@@ -84,7 +84,9 @@ class _DidvanTextFieldState extends State<DidvanTextField> {
             focusNode: _focusNode,
             controller: _controller,
             onChanged: _onChanged,
-            validator: _validator,
+            validator: (value) {
+              _validator(value);
+            },
             obscuringCharacter: '*',
             style: Theme.of(context).textTheme.bodyText1,
             decoration: InputDecoration(
@@ -142,7 +144,7 @@ class _DidvanTextFieldState extends State<DidvanTextField> {
 
   Color _fillColor() {
     if (!widget.enabled) {
-      return Theme.of(context).colorScheme.secondCTA;
+      return Theme.of(context).colorScheme.disabledBackground;
     }
     if (_focusNode.hasFocus) {
       return Theme.of(context).colorScheme.focused;
@@ -172,15 +174,18 @@ class _DidvanTextFieldState extends State<DidvanTextField> {
   }
 
   void _onChanged(String value) {
+    setState(() {
+      _error = null;
+    });
     value = value.toEnglishDigit();
     if (widget.onChanged != null) {
       widget.onChanged!(value);
     }
   }
 
-  String? _validator(String? value) {
+  Future<String?> _validator(String? value) async {
     if (widget.validator != null) {
-      final String? error = widget.validator!(value);
+      final String? error = await widget.validator!(value!);
       if (error != null) {
         setState(() {
           _error = error;