yubioath-flutter/lib/widgets/app_text_field.dart

/*
 * Copyright (C) 2023 Yubico.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import 'package:flutter/material.dart';

class AppInputDecoration extends InputDecoration {
  final List<Widget>? suffixIcons;

  const AppInputDecoration({
    // allow multiple suffixIcons
    this.suffixIcons,
    // forward other TextField parameters
    super.icon,
    super.iconColor,
    super.label,
    super.labelText,
    super.labelStyle,
    super.floatingLabelStyle,
    super.helperText,
    super.helperStyle,
    super.helperMaxLines,
    super.hintText,
    super.hintStyle,
    super.hintTextDirection,
    super.hintMaxLines,
    super.hintFadeDuration,
    super.error,
    super.errorText,
    super.errorStyle,
    super.errorMaxLines,
    super.floatingLabelBehavior,
    super.floatingLabelAlignment,
    super.isCollapsed,
    super.isDense,
    super.contentPadding,
    super.prefixIcon,
    super.prefixIconConstraints,
    super.prefix,
    super.prefixText,
    super.prefixStyle,
    super.prefixIconColor,
    super.suffixIcon,
    super.suffix,
    super.suffixText,
    super.suffixStyle,
    super.suffixIconColor,
    super.suffixIconConstraints,
    super.counter,
    super.counterText,
    super.counterStyle,
    super.filled,
    super.fillColor,
    super.focusColor,
    super.hoverColor,
    super.errorBorder,
    super.focusedBorder,
    super.focusedErrorBorder,
    super.disabledBorder,
    super.enabledBorder,
    super.border,
    super.enabled = true,
    super.semanticCounterText,
    super.alignLabelWithHint,
    super.constraints,
  }) : assert(!(suffixIcon != null && suffixIcons != null),
            'Declaring both suffixIcon and suffixIcons is not supported.');

  @override
  Widget? get suffixIcon {
    final hasError = errorText != null;

    if (hasError || suffixIcons != null) {
      final errorIcon = hasError ? const Icon(Icons.error_outlined) : null;

      final existingSuffixIcon = super.suffixIcon;

      return Wrap(
        crossAxisAlignment: WrapCrossAlignment.center,
        children: [
          if (suffixIcons != null) ...suffixIcons!,
          if (existingSuffixIcon != null) existingSuffixIcon,
          if (errorIcon != null) ...[errorIcon, const SizedBox(width: 8.0)],
        ],
      );
    }

    return super.suffixIcon;
  }
}

/// TextField without autocorrect and suggestions
class AppTextField extends TextField {
  const AppTextField({
    // default settings to turn off autocorrect
    super.autocorrect = false,
    super.enableSuggestions = false,
    super.keyboardType = TextInputType.text,
    // forward other TextField parameters
    super.key,
    super.controller,
    super.focusNode,
    super.undoController,
    AppInputDecoration? decoration,
    super.textInputAction,
    super.textCapitalization,
    super.style,
    super.strutStyle,
    super.textAlign,
    super.textAlignVertical,
    super.textDirection,
    super.readOnly,
    super.toolbarOptions,
    super.showCursor,
    super.autofocus,
    super.obscuringCharacter,
    super.obscureText,
    super.smartDashesType,
    super.smartQuotesType,
    super.maxLines,
    super.minLines,
    super.expands,
    super.maxLength,
    super.maxLengthEnforcement,
    super.onChanged,
    super.onEditingComplete,
    super.onSubmitted,
    super.onAppPrivateCommand,
    super.inputFormatters,
    super.enabled,
    super.cursorWidth,
    super.cursorHeight,
    super.cursorRadius,
    super.cursorOpacityAnimates,
    super.cursorColor,
    super.selectionHeightStyle,
    super.selectionWidthStyle,
    super.keyboardAppearance,
    super.scrollPadding,
    super.dragStartBehavior,
    super.enableInteractiveSelection,
    super.selectionControls,
    super.onTap,
    super.onTapOutside,
    super.mouseCursor,
    super.buildCounter,
    super.scrollController,
    super.scrollPhysics,
    super.autofillHints,
    super.contentInsertionConfiguration,
    super.clipBehavior,
    super.restorationId,
    super.scribbleEnabled,
    super.enableIMEPersonalizedLearning,
    super.contextMenuBuilder,
    super.canRequestFocus,
    super.spellCheckConfiguration,
    super.magnifierConfiguration,
  }) : super(decoration: decoration);
}