130 lines
4.0 KiB
Dart
130 lines
4.0 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:sk_base_mobile/app_theme.dart';
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import 'package:sk_base_mobile/util/screen_adaper_util.dart';
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class SkNumberInput<T> extends StatefulWidget {
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final TextEditingController textController;
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final Function(FocusNode)? onTap;
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final Function(String)? onChanged;
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final void Function(dynamic)? onTapOutside;
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final Function(dynamic)? validator;
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final bool isDense;
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final EdgeInsetsGeometry? contentPadding;
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final bool autoFocus;
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final bool isRequired;
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final String labelText;
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final String? hint;
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final ValueChanged<T>? onFieldSubmitted;
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const SkNumberInput(
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{super.key,
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required this.textController,
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this.onTap,
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this.onChanged,
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this.hint,
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this.onTapOutside,
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this.isRequired = false,
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this.labelText = '',
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this.onFieldSubmitted,
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this.autoFocus = false,
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this.contentPadding,
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this.isDense = false,
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this.validator});
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@override
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State<SkNumberInput> createState() => _SkNumberInputState<T>();
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}
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class _SkNumberInputState<T> extends State<SkNumberInput> {
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late FocusNode focusNode = FocusNode();
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@override
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void initState() {
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super.initState();
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if (widget.autoFocus) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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focusNode.requestFocus();
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});
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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 TextFormField(
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focusNode: focusNode,
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onTap: () {
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if (widget.onTap != null) {
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widget.onTap!(focusNode);
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}
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},
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controller: widget.textController,
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onFieldSubmitted: (event) {
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if (widget.onTapOutside != null) {
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dynamic value;
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if (T == double) {
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value = double.tryParse(widget.textController.text);
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widget.onTapOutside!(value as T);
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} else {
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value = int.tryParse(widget.textController.text);
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}
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if (widget.validator != null && !widget.validator!(value)) {
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return;
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}
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widget.onTapOutside!(value as T);
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}
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},
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onTapOutside: (event) {
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if (widget.onTapOutside != null) {
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dynamic value = widget.textController.text;
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if (T == double) {
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value = double.tryParse(widget.textController.text) ?? 0.0;
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widget.onTapOutside!(value as T);
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} else {
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value = int.tryParse(widget.textController.text) ?? 0;
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}
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if (widget.validator != null && !widget.validator!(value)) {
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return;
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}
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widget.onTapOutside!(value as T);
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FocusScope.of(context).unfocus();
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}
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},
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onChanged: widget.onChanged ?? (_) {},
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textAlign: TextAlign.center,
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keyboardType: TextInputType.number,
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inputFormatters: <TextInputFormatter>[
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// 限制输入内容只能是数字和小数点不限制位数
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FilteringTextInputFormatter.allow(RegExp(r'^\d+\.?\d{0,10}')),
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],
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decoration: InputDecoration(
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contentPadding: widget.contentPadding,
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isDense: widget.isDense,
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// contentPadding: EdgeInsets.symmetric(vertical: ScreenAdaper.height(18)),
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floatingLabelBehavior: FloatingLabelBehavior.always,
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label: Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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mainAxisSize: MainAxisSize.min,
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children: [
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if (widget.isRequired)
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Text(
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"*",
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style: TextStyle(
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color: Colors.red, fontSize: ScreenAdaper.height(30)),
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),
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Text(
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widget.labelText,
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style: TextStyle(fontSize: ScreenAdaper.height(30)),
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),
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]),
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focusedBorder: OutlineInputBorder(
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borderSide:
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const BorderSide(color: AppTheme.primaryColorLight, width: 2),
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borderRadius: BorderRadius.circular(ScreenAdaper.sp(15))),
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hintText: widget.hint ?? '请输入',
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),
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);
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}
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}
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