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import 'package:eva_icons_flutter/eva_icons_flutter.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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class NumberTextInputFormatter extends TextInputFormatter {
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@override
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TextEditingValue formatEditUpdate(
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TextEditingValue oldValue, TextEditingValue newValue) {
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final int newTextLength = newValue.text.length;
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int selectionIndex = newValue.selection.end;
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int usedSubstringIndex = 0;
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final StringBuffer newText = StringBuffer();
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if (newTextLength >= 1) {
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newText.write('(');
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if (newValue.selection.end >= 1) selectionIndex++;
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}
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if (newTextLength >= 4) {
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newText.write(newValue.text.substring(0, usedSubstringIndex = 3) + ') ');
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if (newValue.selection.end >= 3) selectionIndex += 2;
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}
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if (newTextLength >= 7) {
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newText.write(newValue.text.substring(3, usedSubstringIndex = 6) + '-');
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if (newValue.selection.end >= 6) selectionIndex++;
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}
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if (newTextLength >= 11) {
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newText.write(newValue.text.substring(6, usedSubstringIndex = 10) + ' ');
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if (newValue.selection.end >= 10) selectionIndex++;
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}
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// Dump the rest.
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if (newTextLength >= usedSubstringIndex)
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newText.write(newValue.text.substring(usedSubstringIndex));
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return TextEditingValue(
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text: newText.toString(),
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selection: TextSelection.collapsed(offset: selectionIndex),
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);
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}
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}
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final _mobileFormatter = NumberTextInputFormatter();
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class TextFields extends StatefulWidget {
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TextFields(
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{Key key,
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this.type,
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this.hintText,
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this.suffixIcon,
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this.autoFocus,
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this.onChanged,
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// this.initialValue,
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this.minLines,
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this.maxLines,
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this.inputFormatters,
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this.padding,
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this.focus = false,
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this.maxLengthEnforced = true,
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this.suffixIconColor,
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this.inputAction,
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this.onSubmit,
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this.keepPadding = true,
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this.textCapitalization = TextCapitalization.none,
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this.controller,
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this.keyboardType,
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this.validator,
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this.borderOnlyError = false,
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this.onSaved,
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this.onSuffixTap,
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this.readOnly: false,
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this.maxLength,
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this.prefixIcon,
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this.bare = false,
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this.onTap,
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this.fontSize = 16.0,
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this.fontWeight = FontWeight.w700,
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this.autoValidate = false,
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this.fillColor,
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this.hintColor})
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: super(key: key);
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final String hintText;
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// final String initialValue;
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final String type;
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final bool autoFocus;
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final IconData suffixIcon;
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final Color suffixIconColor;
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final Icon prefixIcon;
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final VoidCallback onTap;
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final TextEditingController controller;
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final TextInputType keyboardType;
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final FormFieldValidator validator;
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final Function onSaved;
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final Function onSuffixTap;
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final Function onChanged;
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final Function onSubmit;
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final bool readOnly;
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final int maxLength;
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final int minLines;
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final int maxLines;
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final bool maxLengthEnforced;
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final bool bare;
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final TextInputAction inputAction;
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final double fontSize;
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final FontWeight fontWeight;
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final bool keepPadding;
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final TextCapitalization textCapitalization;
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final List<TextInputFormatter> inputFormatters;
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final bool autoValidate;
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final EdgeInsets padding;
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final bool focus;
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final bool borderOnlyError;
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final Color hintColor;
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final Color fillColor;
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@override
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_TextFieldsState createState() => _TextFieldsState();
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}
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class _TextFieldsState extends State<TextFields> {
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final FocusNode _focusNode = FocusNode();
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bool focus = false;
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bool view = false;
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@override
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void initState() {
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super.initState();
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_focusNode.addListener(() {
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setState(() {
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focus = _focusNode.hasFocus;
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});
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});
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}
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@override
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void didUpdateWidget(TextFields oldWidget) {
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if (widget.focus) _focusNode.requestFocus();
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super.didUpdateWidget(oldWidget);
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}
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@override
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void dispose() {
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_focusNode.dispose();
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super.dispose();
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}
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Widget _buildSuffixIcon() {
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switch (widget.type) {
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case "password":
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return Padding(
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padding: const EdgeInsets.only(right: 8.0),
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child: view
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? InkWell(
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onTap: () {
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this.setState(
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() {
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view = false;
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},
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);
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},
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child: Icon(
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EvaIcons.eye,
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size: 24.0,
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color: Color.fromRGBO(78, 62, 253, 1.0),
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),
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)
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: InkWell(
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onTap: () {
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this.setState(() {
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view = true;
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});
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},
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child: Icon(EvaIcons.eyeOff,
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size: 24.0, color: Colors.grey[500]),
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),
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);
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default:
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if (widget.suffixIcon != null)
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return InkWell(
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onTap: widget.onSuffixTap,
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child: Icon(widget.suffixIcon,
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size: 22.0,
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color: widget.suffixIconColor != null
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? widget.suffixIconColor
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: Colors.grey[500]),
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);
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else
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return null;
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}
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}
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bool _determineReadOnly() {
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if (widget.readOnly != null && widget.readOnly) {
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_focusNode.unfocus();
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return true;
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} else {
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return false;
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}
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}
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@override
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Widget build(BuildContext context) {
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return (AnimatedContainer(
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duration: Duration(milliseconds: 300),
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decoration: widget.bare
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? null
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: BoxDecoration(boxShadow: [
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// BoxShadow(
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// color: Color.fromRGBO(70, 68, 167, focus ? 0.20 : 0),
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// offset: Offset(0.0, 13.0),
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// blurRadius: focus ? 34.0 : 12.0)
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BoxShadow(
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color: Color.fromRGBO(110, 68, 80, focus ? 0.20 : 0),
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offset: Offset(0.0, 13.0),
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blurRadius: focus ? 34.0 : 12.0)
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]),
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child: TextFormField(
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keyboardAppearance: Theme.of(context).brightness,
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scrollPhysics: BouncingScrollPhysics(),
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autovalidate: widget.autoValidate,
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textCapitalization: widget.textCapitalization,
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onFieldSubmitted: widget.inputAction == TextInputAction.next
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? (widget.onSubmit != null
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? widget.onSubmit
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: (val) {
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_focusNode.nextFocus();
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})
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: widget.onSubmit,
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textInputAction: widget.inputAction,
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minLines: widget.minLines ?? 1,
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maxLines: widget.maxLines ?? 1,
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maxLengthEnforced: widget.maxLengthEnforced,
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// initialValue: widget.initialValue,
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onChanged: widget.onChanged,
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focusNode: _focusNode,
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maxLength: widget.maxLength ?? null,
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controller: widget.controller,
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keyboardType: widget.keyboardType,
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readOnly: _determineReadOnly(),
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obscureText: widget.type == "password" && !view ? true : false,
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autofocus: widget.autoFocus ?? false,
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validator: widget.validator,
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onSaved: widget.onSaved,
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style: Theme.of(context)
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.textTheme
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.body2
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.copyWith(fontSize: widget.fontSize, fontWeight: widget.fontWeight),
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inputFormatters: widget.keyboardType == TextInputType.phone
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? <TextInputFormatter>[
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WhitelistingTextInputFormatter.digitsOnly,
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_mobileFormatter,
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]
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: widget.inputFormatters,
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decoration: InputDecoration(
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counterText: "",
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hintText: widget.hintText,
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hintStyle: TextStyle(
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fontSize: widget.fontSize,
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fontWeight: widget.fontWeight,
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color: widget.hintColor ?? Theme.of(context).hintColor,
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),
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contentPadding: widget.padding != null
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? widget.padding
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: EdgeInsets.symmetric(
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vertical: (widget.bare && !widget.keepPadding) ? 0.0 : 10.0,
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horizontal: 16.0),
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filled: true,
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fillColor: widget.bare
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? Colors.transparent
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: Theme.of(context).backgroundColor,
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suffixIcon: _buildSuffixIcon(),
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prefixIcon: widget.prefixIcon,
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errorStyle: TextStyle(
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fontSize: 14.0,
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fontWeight: widget.fontWeight,
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height: widget.borderOnlyError ? 0.0 : null),
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errorBorder: OutlineInputBorder(
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borderSide: BorderSide(
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color: Theme.of(context)
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.errorColor
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.withOpacity(widget.bare ? 0.0 : 0.5),
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width: 1.0),
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borderRadius: BorderRadius.circular(widget.bare ? 0.0 : 8.0)),
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focusedErrorBorder: OutlineInputBorder(
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borderSide: BorderSide(
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color: Theme.of(context)
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.errorColor
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.withOpacity(widget.bare ? 0.0 : 0.5),
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width: 1.0),
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borderRadius: BorderRadius.circular(widget.bare ? 0.0 : 8.0)),
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focusedBorder: OutlineInputBorder(
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borderSide: BorderSide(color: Colors.grey, width: 1.0),
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borderRadius: BorderRadius.circular(widget.bare ? 0.0 : 8.0)),
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disabledBorder: OutlineInputBorder(
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borderSide: BorderSide(color: Colors.grey, width: 1.0),
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borderRadius: BorderRadius.circular(widget.bare ? 0.0 : 8.0)),
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enabledBorder: OutlineInputBorder(
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borderSide: BorderSide(color: Colors.grey, width: 1.0),
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borderRadius: BorderRadius.circular(widget.bare ? 0.0 : 8.0),
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),
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),
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),
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));
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}
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}
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