rasadyar_application/lib/presentation/widget/inputs/r_input.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';

@immutable
class RTextField extends StatefulWidget {
  RTextField(
      {super.key,
        this.maxLines,
        this.maxLength,
        this.hintText,
        this.padding,
        this.onChanged,
        this.onSubmitted,
        this.keyboardType,
        this.showCounter = false,
        this.isDense,
        this.initText,
        this.isForNumber = false,
        this.style,
        this.hintStyle,
        this.suffixIcon,
        this.prefixIcon,
        this.validator,
        this.readonly = false,
        this.boxConstraints,
        this.minLines,
        this.radius,
        this.filled,
        this.enabled,
        this.errorStyle,
        this.labelStyle,
        this.label}) {
    filled = filled ?? false;
    obscure = false;
    _inputBorder = OutlineInputBorder(
        borderSide: BorderSide(color: Colors.grey.shade300),
        borderRadius: BorderRadius.circular(radius ?? 16));
  }

  RTextField.noBorder(
      {super.key,
        this.maxLines,
        this.maxLength,
        this.hintText,
        this.padding,
        this.onChanged,
        this.onSubmitted,
        this.keyboardType,
        this.showCounter = false,
        this.isDense,
        this.initText,
        this.style,
        this.hintStyle,
        this.suffixIcon,
        this.radius,
        this.validator,
        this.boxConstraints,
        this.minLines,
        this.isForNumber = false,
        this.readonly = false,
        this.label,
        this.filled,
        this.errorStyle,
        this.labelStyle,
        this.enabled}) {
    _inputBorder = OutlineInputBorder(
        borderSide: BorderSide.none,
        borderRadius: BorderRadius.circular(radius ?? 16));
    obscure = false;
    filled = filled ?? true;
  }

  RTextField.password(
      {super.key,
        this.maxLines = 1,
        this.maxLength,
        this.hintText,
        this.padding,
        this.onChanged,
        this.onSubmitted,
        this.keyboardType,
        this.showCounter = false,
        this.isDense,
        this.initText,
        this.style,
        this.hintStyle,
        this.suffixIcon,
        this.prefixIcon,
        this.radius,
        this.validator,
        this.boxConstraints,
        this.minLines,
        this.isForNumber = false,
        this.readonly = false,
        this.label,
        this.filled,
        this.errorStyle,
        this.labelStyle,
        this.enabled}) {
    _inputBorder = OutlineInputBorder(
        borderSide: BorderSide.none,
        borderRadius: BorderRadius.circular(radius ?? 16));
    filled = filled ?? true;
    obscure = true;
    _isPassword = true;
    prefixIcon = prefixIcon ?? const Icon(CupertinoIcons.person);
  }

  final int? maxLines;
  final int? minLines;
  final int? maxLength;
  final String? hintText;
  final String? label;
  final EdgeInsets? padding;
  final TextStyle? style;
  final TextStyle? errorStyle;
  final TextStyle? hintStyle;
  final TextStyle? labelStyle;
  final bool showCounter;
  final bool? isDense;
  final bool? isForNumber;
  final bool readonly;
  bool? obscure;
  final bool? enabled;
  final double? radius;
  final TextInputType? keyboardType;
  final Function(String)? onChanged;
  final Function(String)? onSubmitted;
  final FormFieldValidator? validator;
  final String? initText;
  Widget? suffixIcon;
  Widget? prefixIcon;
  bool? filled;
  bool _isPassword = false;

  final BoxConstraints? boxConstraints;
  late final InputBorder? _inputBorder;

  @override
  State<RTextField> createState() => _RTextFieldState();
}

class _RTextFieldState extends State<RTextField> {
  final TextEditingController _controller = TextEditingController();
  bool? obscure;

  @override
  void initState() {
    super.initState();
    if (widget.initText != null) {
      _controller.text = widget.initText!;
    }
    obscure = widget.obscure;
  }

  @override
  void didUpdateWidget(covariant RTextField oldWidget) {
    super.didUpdateWidget(oldWidget);
    if (widget.initText != oldWidget.initText) {
      _controller.text = widget.initText ?? '';
    }
  }

  @override
  Widget build(BuildContext context) {
    return Padding(
        padding: widget.padding ?? const EdgeInsets.symmetric(vertical: 6.0),
        child: TextFormField(
          controller: _controller,
          readOnly: widget.readonly,
          minLines: widget.minLines,
          maxLines: widget.maxLines,
          onChanged: widget.onChanged,
          validator: widget.validator,
          enabled: widget.enabled,
          obscureText: obscure ?? false,
          onTapOutside: (event) {
            FocusScope.of(context).unfocus();
          },
          onFieldSubmitted: widget.onSubmitted,
          maxLength: widget.maxLength,
          textDirection: TextDirection.rtl,
          style: widget.style ,
          keyboardType: widget.keyboardType,
          decoration: InputDecoration(
              errorStyle: widget.errorStyle,
              errorMaxLines: 1,
              isDense: widget.isDense,
              suffixIcon: widget.suffixIcon ??
                  (widget._isPassword
                      ? IconButton(
                      onPressed: () {
                        setState(() {
                          obscure = !obscure!;
                        });
                      },
                      icon: Icon(!obscure!
                          ? CupertinoIcons.eye_slash
                          : CupertinoIcons.eye))
                      : null),
              suffixIconConstraints: widget.boxConstraints,
              prefixIcon: widget.prefixIcon,
              prefixIconConstraints: widget.boxConstraints,
              hintText: widget.hintText,
              labelText: widget.label,
              labelStyle: widget.labelStyle,
              filled: widget.filled,
              counter: widget.showCounter ? null : const SizedBox(),
              hintStyle: widget.hintStyle,
              enabledBorder: widget._inputBorder,
              focusedBorder: widget._inputBorder,
              border: widget._inputBorder),
        ));
  }
}