import 'package:flutter/material.dart'; import 'package:flutter/services.dart'; import 'package:flutter/widgets.dart'; import 'package:flutter_platform_widgets/flutter_platform_widgets.dart'; /// A normal TextField or CupertinoTextField that looks the same on all platforms class SpecialTextField extends StatefulWidget { const SpecialTextField( {Key key, this.placeholder, this.suffix, this.controller, this.focusNode, this.nextFocusNode, this.autocorrect, this.minLines, this.maxLines, this.maxLength, this.maxLengthEnforcement, this.style, this.keyboardType, this.textInputAction, this.textCapitalization, this.textAlign, this.autofocus, this.onChanged, this.enabled, this.expands, this.keyboardAppearance, this.textAlignVertical, this.inputFormatters}) : super(key: key); final String placeholder; final TextEditingController controller; final FocusNode focusNode; final FocusNode nextFocusNode; final bool autocorrect; final int minLines; final int maxLines; final int maxLength; final MaxLengthEnforcement maxLengthEnforcement; final Widget suffix; final TextStyle style; final TextInputType keyboardType; final Brightness keyboardAppearance; final TextInputAction textInputAction; final TextCapitalization textCapitalization; final TextAlign textAlign; final TextAlignVertical textAlignVertical; final bool autofocus; final ValueChanged onChanged; final bool enabled; final List inputFormatters; final bool expands; @override _SpecialTextFieldState createState() => _SpecialTextFieldState(); } class _SpecialTextFieldState extends State { List formatters; @override void initState() { formatters = widget.inputFormatters; if (formatters == null || formatters.length == 0) { formatters = [FilteringTextInputFormatter.allow(RegExp(r'[^\t]'))]; } super.initState(); } @override Widget build(BuildContext context) { return PlatformTextField( autocorrect: widget.autocorrect, minLines: widget.minLines, maxLines: widget.maxLines, maxLength: widget.maxLength, maxLengthEnforcement: widget.maxLengthEnforcement, keyboardType: widget.keyboardType, keyboardAppearance: widget.keyboardAppearance, textInputAction: widget.textInputAction, textCapitalization: widget.textCapitalization, textAlign: widget.textAlign, textAlignVertical: widget.textAlignVertical, autofocus: widget.autofocus, focusNode: widget.focusNode, onChanged: widget.onChanged, enabled: widget.enabled, onSubmitted: (_) { if (widget.nextFocusNode != null) { FocusScope.of(context).requestFocus(widget.nextFocusNode); } }, expands: widget.expands, inputFormatters: formatters, material: (_, __) => MaterialTextFieldData( decoration: InputDecoration( border: InputBorder.none, contentPadding: EdgeInsets.zero, isDense: true, hintText: widget.placeholder, counterText: '', suffix: widget.suffix)), cupertino: (_, __) => CupertinoTextFieldData( decoration: BoxDecoration(), padding: EdgeInsets.zero, placeholder: widget.placeholder, suffix: widget.suffix), style: widget.style, controller: widget.controller); } }