/// <summary>
/// Create a new ReferenceFilter from a FieldFilterAttribute and a property
/// </summary>
/// <param name="filterAttr">The FieldFilterAttribute</param>
/// <param name="propInfo">The property</param>
public ReferenceFilter(FieldFilterAttribute filterAttr, PropertyInfo propInfo)
: base(filterAttr, propInfo)
{
refFieldName = filterAttr.ReferencedFieldName;
refType = filterAttr.ReferencedType;
RefValue = (Reference)Activator.CreateInstance(propInfo.PropertyType);
}
/// <summary>
/// Create an appropriate filter from an FieldFilterAttribute and a property it is applied to
/// </summary>
/// <param name="filterAttr">the FieldFilterAttribute</param>
/// <param name="propInfo">the property it is applied to</param>
/// <returns>Resulting filter</returns>
public static ListFilter Create(FieldFilterAttribute filterAttr, PropertyInfo propInfo)
{
ListFilter filt = null;
if (filterAttr.ReferencedType != null && filterAttr.ReferencedFieldName != null)
{
if (typeof(Reference).IsAssignableFrom(propInfo.PropertyType))
{
filt = new ReferenceFilter(filterAttr, propInfo);
}
else
{
filt = new ForeignKeyFilter(filterAttr, propInfo);
}
}
else
{
switch (propInfo.PropertyType.Name)
{
case "String":
filt = new StringFieldFilter(filterAttr, propInfo);
break;
case "DateTime":
filt = new DateFieldFilter(filterAttr, propInfo);
break;
case "Nullable`1":
if (Nullable.GetUnderlyingType(propInfo.PropertyType) == typeof(DateTime))
{
filt = new DateFieldFilter(filterAttr, propInfo);
}
break;
}
}
if (filt == null)
{
throw new NotImplementedException("Cannot have FieldFilter for property type " + propInfo.PropertyType.Name);
}
((FieldFilter)filt).Showable = filterAttr.Showable;
return(filt);
}
public StringFieldFilter(FieldFilterAttribute filterAttr, PropertyInfo propInfo)
: base(filterAttr, propInfo)
{
}
public ForeignKeyFilter(FieldFilterAttribute filterAttr, PropertyInfo propInfo)
: base(filterAttr, propInfo)
{
refFieldName = filterAttr.ReferencedFieldName;
refType = filterAttr.ReferencedType;
}
/// <summary>
/// Create a FieldFilter from a FieldFilterAttribute and the property it is attached to
/// </summary>
/// <param name="filterAttr">The FieldFilterAttribute</param>
/// <param name="propInfo">The property the attribute is attached to</param>
public FieldFilter(FieldFilterAttribute filterAttr, PropertyInfo propInfo) : this()
{
this.Name = filterAttr.Name ?? propInfo.Name;
this.PropInfo = propInfo;
this.ApplicableType = propInfo.DeclaringType;
}
