VitalApp/lib/pages/form/base_form_value.dart

import 'form_info.dart';
import 'package:fis_common/index.dart';

abstract class BaseFormValueChange {
  void onHeightOrWeightChange(UpdateFormArgs e) {
    UpdateFormType type = e.type;
    String height = FormInfo.instance.formValue["Height"] ?? '';
    String weight = FormInfo.instance.formValue["Weight"] ?? '';
    if (height.isNotNullOrEmpty && weight.isNotNullOrEmpty) {
      var doubleHeight = double.parse(height) / 100;
      var doubleWeight = double.parse(weight);
      var bmi =
          (doubleWeight / (doubleHeight * doubleHeight)).toStringAsFixed(2);
      FormInfo.instance.formValue["Bmi"] = bmi;

      FormInfo.instance.onChangeTargetValue.emit(
        this,
        TargetFormArgs(
          "Bmi",
          targetValue: bmi,
        ),
      );
    } else {
      if (FormInfo.instance.formValue.containsKey("Bmi")) {
        FormInfo.instance.formValue.remove("Bmi");
      }
      return;
    }
  }

  ///转诊
  void onReferralChange(UpdateFormArgs e) {
    UpdateFormType type = e.type;
    bool isDisabledValue = false;
    if ((type == UpdateFormType.Add && e.sourceValue == "referral_1")) {
      ///选中了无，则禁用其他选项
      isDisabledValue = true;
    } else if ((type == UpdateFormType.Remove &&
            e.sourceValue == "referral_1") ||
        (type == UpdateFormType.Add && e.sourceValue == "referral_2")) {
      ///取消选中无或选中有，则取消禁用其他选项
      isDisabledValue = false;
    }
    FormInfo.instance.onChangeTargetValue.emit(
      this,
      TargetFormArgs(
        "Reason_For_Referral",
        isDisabledValue: isDisabledValue,
      ),
    );
    FormInfo.instance.onChangeTargetValue.emit(
      this,
      TargetFormArgs(
        "Institution_And_Department",
        isDisabledValue: isDisabledValue,
      ),
    );
    if (e.sourceValue == "referral_1") {
      FormInfo.instance.onChangeTargetValue.emit(
        this,
        TargetFormArgs(
          "referral_2",
          isDisabledValue: false,
          targetValue: "cancelSelection",
        ),
      );
    } else if (e.sourceValue == "referral_2") {
      FormInfo.instance.onChangeTargetValue.emit(
        this,
        TargetFormArgs(
          "referral_1",
          isDisabledValue: false,
          targetValue: "cancelSelection",
        ),
      );
    }
  }

  void onValueChange(UpdateFormArgs e, String sourceValue, String targetKey) {
    UpdateFormType type = e.type;
    bool isDisabledValue = false;
    if (type == UpdateFormType.Add && e.sourceValue == sourceValue) {
      ///选中了无，则禁用其他选项
      isDisabledValue = true;
    } else if (type == UpdateFormType.Remove && e.sourceValue == sourceValue) {
      ///取消选中无，则取消禁用其他选项
      isDisabledValue = false;
    }
    FormInfo.instance.onChangeTargetValue.emit(
      this,
      TargetFormArgs(
        targetKey,
        isDisabledValue: isDisabledValue,
      ),
    );
  }
}