internal virtual CellStyle GetDataCellStyle(T valueObject)
{
IDictionary <string, object> data = DictionaryUtils.ConvertFrom(valueObject);
object value = string.IsNullOrWhiteSpace(DataKey) ? null : data[DataKey];
return(ItemStyleFunctor is null ? ItemStyle : ItemStyleFunctor(value, valueObject));
}
private void Validate()
{
if (Columns.Count > 0)
{
if (DataSource is null)
{
throw new NullReferenceException("未指定資料來源。");
}
if (DataSource.Count() == 0)
{
return;
}
IDictionary <string, object> firstData = DictionaryUtils.ConvertFrom(DataSource.First());
foreach (DataColumn <T> col in Columns.DataSourceColumns)
{
if (!string.IsNullOrWhiteSpace(col.DataKey) && !firstData.ContainsKey(col.DataKey))
{
throw new ArgumentException($"資料來源未包含Property「{col.DataKey}」。");
}
}
}
}
internal virtual object GetContentValue(T valueObject)
{
IDictionary <string, object> data = DictionaryUtils.ConvertFrom(valueObject);
if (string.IsNullOrWhiteSpace(DataKey))
{
return(ContentRender is null ? "" : ContentRender(null, valueObject));
}
object value = data[DataKey];
return(ContentRender is null ? value : ContentRender(value, valueObject));
}
