/// <summary>
/// 获取视图名称
/// </summary>
/// <param name="param"></param>
/// <returns></returns>
private string GetFormItemViewName(ModuleFormItemViewParam param)
{
var viewname = param.ColumnInfo.ColumnType.ToString();
//非主引用使用空视图
if (param.ColumnInfo.ColumnType == ColumnTypes.Reference && (param.ColumnInfo.ValuePath ?? "").StartsWith("@"))
{
viewname = "Default";
}
//自定义控件
if (param.ColumnInfo.ColumnType == ColumnTypes.Customize)
{
var control = param.ColumnInfo.GetCustomizeControl();
if (control == null)
{
Logger.Error("未找到自定义控件：" + param.ColumnInfo.CustomizeControl);
throw new UserFriendlyException(L("未找到自定义控件") + param.ColumnInfo.CustomizeControl);
}
viewname = "Customize/" + control.GetViewComponentName();
}
//如果是展示页，则视图名称为Text_View
if (param.FormType == FormType.View)
{
viewname = viewname + "_View";
}
return(viewname);
}
public async Task <IViewComponentResult> InvokeAsync(ModuleFormItemViewParam param)
{
var vm = new ModuleFormItemViewModel();
param.MapTo(vm);
vm.ColumnInfo.Normalize();
//获取值
var columnValue = await GetValue(param);
vm.Value = columnValue;
//获取对应的视图
var viewname = GetFormItemViewName(param);
return(View(viewname, vm));
}
private async Task <object> GetValue(ModuleFormItemViewParam param)
{
object result = null;
if (param.FormType == FormType.Add)
{
//添加表单时需要默认值计算
result = await _defaultValueParser.Parse(new ColumnReadContext()
{
ColumnInfo = param.ColumnInfo
});
}
else if (param.Data != null)
{
//如果实体存在，则直接取实体值
param.Data.TryGetValue(param.ColumnInfo.ColumnKey, out result);
}
return(result);
}
