fis_lib_measure/lib/view/measure/custom_item_buttons/rvsp.dart

import 'package:fis_i18n/i18n.dart';
import 'package:fis_measure/define.dart';
import 'package:fis_measure/interfaces/process/items/item_metas.dart';
import 'package:fis_measure/interfaces/process/workspace/application.dart';
import 'package:fis_measure/process/primitives/rvsp.dart';
import 'package:fis_measure/utils/prompt_box.dart';
import 'package:fis_measure/view/measure/custom_item_buttons/widgets.dart';
import 'package:fis_ui/index.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';

import 'normal_child.dart';

class RapItemButton extends FStatefulWidget {
  const RapItemButton({super.key});

  @override
  FState<FStatefulWidget> createState() => _RapItemButtonState();
}

class _RapItemButtonState extends FState<RapItemButton> {
  static const _options = <double>[double.nan, 5, 10, 15];
  late final RxInt _activeIndex;
  double _customRapValue = 0;

  @override
  void initState() {
    _initState();
    super.initState();
  }

  @override
  FWidget build(BuildContext context) {
    return NormalChildButton(
      businessParent: const FPlaceHolderInteractiveContainer(),
      activeIndex: -1,
      index: 0,
      itemMeta: ItemMeta(
        "RAP",
        measureType: '',
        description: 'RAP',
        outputs: [],
      ),
      onClick: () {
        Get.dialog(_buildDialog());
      },
    );
  }

  void _initState() {
    final activeMeasureItem = Get.find<IApplication>().activeMeasureItem;
    if (activeMeasureItem == null) {
      _activeIndex = RxInt(0);
      return;
    }
    final rap = (activeMeasureItem as Rvsp).rap.value;
    if (rap == null) {
      _activeIndex = RxInt(0);
      return;
    }
    final index = _options.indexWhere((e) => e == rap);
    if (index > 0) {
      _activeIndex = RxInt(index);
    } else {
      _customRapValue = rap;
      _activeIndex = RxInt(0);
    }
  }

  FWidget _buildDialog() {
    return FObx(() {
      final children = <Widget>[];
      for (var i = 0; i < _options.length; i++) {
        if (i == 0) {
          children.add(_buildInputButton());
        } else {
          children.add(const CustomChildOptionDivider());
          children.add(_buildValueButton(i));
        }
      }
      return FSimpleDialog(
        title: const FText("RAP", style: TextStyle(color: Colors.white)),
        okString: i18nBook.common.confirm.t,
        cancelString: i18nBook.common.cancel.t,
        isDefault: true,
        children: children,
        onOk: () {
          _onValueConfrim();
          Get.back();
        },
        onCancel: () {
          Get.back();
        },
        onClose: () {
          Get.back();
        },
      );
    });
  }

  void _onValueConfrim() {
    final activeMeasureItem = Get.find<IApplication>().activeMeasureItem;
    if (activeMeasureItem == null) {
      return;
    }

    double rap;
    if (_activeIndex.value == 0) {
      rap = _customRapValue;
    } else {
      rap = _options[_activeIndex.value];
    }

    (activeMeasureItem as Rvsp).updateRap(rap);
  }

  Widget _buildValueButton(int index) {
    final isActive = _activeIndex.value == index;
    final value = _options[index];
    return CustomChildTextOptionWidget(
      isActive: isActive,
      text: "$value mmHg",
      onClick: () {
        _activeIndex.value = index;
      },
    );
  }

  Widget _buildInputButton() {
    const index = 0;
    final isActive = _activeIndex.value == index;
    return CustomChildInputOptionWidget(
      isActive: isActive,
      value: _customRapValue.toString(),
      suffixWidget: const Text(" mmHg"),
      onClick: () {
        _activeIndex.value = index;
      },
      onInputChanged: (String value) {
        final doubleValue = double.tryParse(value);
        if (doubleValue == null) {
          PromptBox.toast("请输入正确的RAP数值");
        } else {
          if (doubleValue < 0) {
            PromptBox.toast("RAP必须大于0");
          } else {
            _customRapValue = doubleValue;
          }
        }
      },
    );
  }
}