public string GetSelector(PropertyMetaData propertyMetaData,
bool withoutProperty)
{
var relatedMeta = MetaDataProvider.Get(propertyMetaData.ForeignType());
var property = string.Empty;
if (!withoutProperty && propertyMetaData.ForeignInfo() != null)
{
property = propertyMetaData.ForeignInfo().Name + ".";
}
var idProperty = property
+ LinqToSqlUtils.GetPKPropertyName(relatedMeta.EntityType);
return("new(" + idProperty +
" as " + propertyMetaData.Info.Name +
", " + property +
relatedMeta.DisplayProperty().Name + ")");
}
private IQueryable GetFilterComboBoxSource(PropertyMetaData propertyMetaData,
BaseMetaData metaData)
{
if (propertyMetaData.ForeignInfo() == null)
{
return(GetComboBoxSource(propertyMetaData, false));
}
string selector = GetSelector(propertyMetaData);
return(DynamicRepository.GetAll(metaData.EntityType)
.Where(propertyMetaData.Info.Name + " != null")
.Select(selector)
.Cast <object>().Distinct());
}
public static object GetValueForProperty(PropertyMetaData property, object item, UrlHelper url)
{
object value;
if (property.Control() == Controls.Select)
{
var foreignType = property.ForeignType();
var foreignMetaData = MetaDataProvider.Get(
foreignType);
object foreignValue = null;
if (property.ForeignInfo() != null)
{
foreignValue = item.GetValue(property.ForeignInfo().Name);
}
else
{
var id = item.GetValue(property.Name);
if (id != null)
{
foreignValue = DynamicRepository.GetByPK(foreignType, id);
}
}
Contract.NotNull(new { foreignMetaData }, new { foreignType });
if (!foreignMetaData.IsReadOnly())
{
value = new ListVM.EntityLink(
foreignValue,
foreignMetaData, url);
}
else
{
value = GetDisplay(foreignValue);
}
}
else
{
var metaData = MetaDataProvider.Get(item.GetType());
if (metaData.DisplayProperty() != null && property.Name == metaData.DisplayProperty().Name)
{
value = new ListVM.EntityLink(item, metaData, url);
}
else
{
var propertyValue = property.Info.GetValue(item);
if (property.GetAttribute <FullLengthStringDisplayAttribute>() != null)
{
value = propertyValue.NotNullString();
}
else
{
value = GetDisplay(propertyValue);
if (property.Format() != null)
{
value = value.NotNullString(property.Format());
}
}
}
}
return(value);
}
