public static void AddProperty <T>(this PropertyTarget target, string key, string displayName, string description, T initialValue, T[] standardValues = null)
{
DynTypeDescriptor.InstallTypeDescriptor(target);
var td = DynTypeDescriptor.GetTypeDescriptor(target);
if (td == null)
{
throw new Exception("Could not load type descriptor");
}
var pd = new DynPropertyDescriptor(target.GetType(), key, typeof(T), initialValue
, new BrowsableAttribute(true)
, new DisplayNameAttribute(displayName)
, new DescriptionAttribute(description)
);
if (standardValues != null && standardValues.Length > 0)
{
pd.Attributes.Add(new TypeConverterAttribute(typeof(DynStandardValueConverter)), true);
foreach (var value in standardValues)
{
var sv = new DynStandardValue(value);
sv.DisplayName = value.ToString();
pd.StandardValues.Add(sv);
}
}
td.GetProperties().Add(pd);
}
private int CompareProperty(DynPropertyDescriptor xCpd, DynPropertyDescriptor yCpd)
{
int nCompResult = 0;
switch (m_PropertySortOrder)
{
case SortOrder.None:
nCompResult = xCpd._ID.CompareTo(yCpd._ID);
break;
case SortOrder.ByIdAscending:
nCompResult = xCpd.PropertyId.CompareTo(yCpd.PropertyId);
break;
case SortOrder.ByIdDescending:
nCompResult = xCpd.PropertyId.CompareTo(yCpd.PropertyId) * -1;
break;
case SortOrder.ByNameAscending:
nCompResult = string.Compare(xCpd.DisplayName, yCpd.DisplayName, StringComparison.Ordinal);
break;
case SortOrder.ByNameDescending:
nCompResult = string.Compare(xCpd.DisplayName, yCpd.DisplayName, StringComparison.Ordinal) * -1;
break;
}
return nCompResult;
}
public override PropertyDescriptorCollection GetProperties()
{
if (m_pdc.Count == 0)
{
var pdc = base.GetProperties();
foreach (PropertyDescriptor pd in pdc)
{
if (!(pd is DynPropertyDescriptor))
{
DynPropertyDescriptor dynPd;
if (pd.PropertyType.IsEnum)
{
dynPd = new EnumPropertyDescriptor(pd);
}
else if (pd.PropertyType == typeof(bool))
{
dynPd = new BooleanPropertyDescriptor(pd);
}
else
{
dynPd = new DynPropertyDescriptor(pd);
}
m_pdc.Add(dynPd);
}
else
{
m_pdc.Add(pd);
}
}
}
return(m_pdc);
}
public int Compare(object x, object y)
{
DynPropertyDescriptor xCpd = x as DynPropertyDescriptor;
DynPropertyDescriptor yCpd = y as DynPropertyDescriptor;
if (xCpd == null || yCpd == null)
{
return 0;
}
xCpd.AppendCount = 0;
yCpd.AppendCount = 0;
int nCompResult = 0;
switch (m_CategorySortOrder)
{
case SortOrder.None:
nCompResult = 0;
break;
case SortOrder.ByIdAscending:
nCompResult = xCpd.CategoryId.CompareTo(yCpd.CategoryId);
break;
case SortOrder.ByIdDescending:
nCompResult = xCpd.CategoryId.CompareTo(yCpd.CategoryId) * -1;
break;
case SortOrder.ByNameAscending:
nCompResult = string.Compare(xCpd.Category, yCpd.Category, StringComparison.Ordinal);
break;
case SortOrder.ByNameDescending:
nCompResult = string.Compare(xCpd.Category, yCpd.Category, StringComparison.Ordinal) * -1;
break;
}
if (nCompResult == 0)
{
nCompResult = CompareProperty(xCpd, yCpd);
}
return nCompResult;
}
