static void SetAreaItems3(this IViewModelField v, IReadOnlyList <IArea> value, bool isSetProperty)
{
if (isSetProperty)
{
v.AreaItems3 = value;
}
else
{
v.MAreaItems3 = value;
}
}
static void SetAreaSelectItem3(this IViewModelField v, IArea value, bool isSetProperty)
{
if (isSetProperty)
{
v.AreaSelectItem3 = value;
}
else
{
v.MAreaSelectItem3 = value;
}
}
static void SetAreaNotVisible4(this IViewModelField v, bool value, bool isSetProperty)
{
if (isSetProperty)
{
v.AreaNotVisible4 = value;
}
else
{
v.MAreaNotVisible4 = value;
}
}
public static void SetAreaId(this IViewModelField v, int areaId, IArea?area, bool isSetProperty)
{
if (areaId == PleaseSelect.Id)
{
return;
}
area ??= Res.GetAll().FirstOrDefault(x => x.Id == areaId);
if (area == null)
{
return;
}
if (!isSetProperty && area.Up.HasValue)
{
v.SetAreaId(area.Up.Value, null, isSetProperty);
}
switch (area.Level)
{
case AreaLevel.省或直辖市或特别行政区:
v.SetAreaItems3(GetAreasByLevel(AreaLevel.市_不包括直辖市, areaId), isSetProperty);
v.SetAreaNotVisible3(v.AreaItems3 == GroupEmpty, isSetProperty);
v.SetAreaItems4(v.AreaNotVisible3 ? GetAreasByLevel(AreaLevel.区县_县级市, areaId) : GroupEmpty, isSetProperty);
v.SetAreaNotVisible4(v.AreaNotVisible3 && v.AreaItems4 == GroupEmpty, isSetProperty);
if (!isSetProperty)
{
v.SetAreaSelectItem2(area, isSetProperty);
}
v.SetAreaSelectItem3(v.AreaSelectItem4 = PleaseSelect, isSetProperty);
break;
case AreaLevel.市_不包括直辖市:
v.SetAreaItems4(GetAreasByLevel(AreaLevel.区县_县级市, areaId), isSetProperty);
v.SetAreaNotVisible4(v.AreaItems4 == GroupEmpty, isSetProperty);
if (!isSetProperty)
{
v.SetAreaSelectItem3(area, isSetProperty);
}
v.SetAreaSelectItem4(PleaseSelect, isSetProperty);
break;
case AreaLevel.区县_县级市:
if (!isSetProperty)
{
v.SetAreaSelectItem4(area, isSetProperty);
}
break;
}
}
/// <summary>
/// 初始化视图模型中的地区数据
/// </summary>
/// <param name="v"></param>
public static void InitAreas(this IViewModelField v)
{
v.AreaItems2 = Group2;
v.AreaItems3 = v.AreaItems4 = GroupEmpty;
v.SetAreaSelectItem4(PleaseSelect, false);
v.SetAreaSelectItem3(PleaseSelect, false);
v.SetAreaSelectItem2(PleaseSelect, false);
void SubscribeAreaSelectItem(IArea?area)
{
if (area != null)
{
v.SelectArea(area);
}
}
v.WhenAnyValue(x => x.AreaSelectItem2).Subscribe(SubscribeAreaSelectItem).AddTo(v);
v.WhenAnyValue(x => x.AreaSelectItem3).Subscribe(SubscribeAreaSelectItem).AddTo(v);
}
/// <inheritdoc cref="SelectAreaId(IViewModelField, int, IArea?)"/> public static void SelectArea(this IViewModelField v, IArea area) => v.SelectAreaId(area.Id);
/// <inheritdoc cref="SelectAreaId(IViewModelField, int, IArea?)"/> public static void SelectAreaId(this IViewModelField v, int areaId) => v.SelectAreaId(areaId, null);
/// <summary> /// 前端选中一个地区 /// </summary> /// <param name="v"></param> /// <param name="areaId"></param> /// <param name="area"></param> /// <param name="setArea"></param> /// <param name="isRecursionUp"></param> static void SelectAreaId(this IViewModelField v, int areaId, IArea?area) => v.SetAreaId(areaId, area, true);
/// <summary> /// 后端设置一个地区 /// </summary> /// <param name="v"></param> /// <param name="areaId"></param> public static void SetAreaId(this IViewModelField v, int areaId) => v.SetAreaId(areaId, null, false);
