public static bool SmartFieldRequired(object target, RuleArgs e)
{
ISmartField value = (ISmartField)Utilities.CallByName(target, e.PropertyName, CallType.Get);
if (value.HasNullValue() == true)
{
e.Description = Resources.ruleSmartFieldRequired.Replace("{rulePropertyName}", e.PropertyName);
return(false);
}
return(true);
}
/// <summary>
/// Implements a rule that only allows one field out of the specified set of fields to have a non-null value.
/// Example: A gentleman can record his girlfriend's name, or his wife's name, but not both.
/// </summary>
/// <param name="target"></param>
/// <param name="e"></param>
/// <returns></returns>
public static bool AOrBValue(object target, RuleArgs e)
{
AOrBValueRuleArgs ee = (AOrBValueRuleArgs)e;
int nonBlankCount = 0;
for (int i = 0; i < ee.PropertyList.Count; i++)
{
// Get object type of property.
// Check the value assigned to each property in a manner appropriate to its object type, and count
// how many have a non-blank value.
Object o = Utilities.CallByName(target, ee.PropertyList[i].ToString(), CallType.Get);
Type t = o.GetType();
// string
if (t.FullName == "System.String")
{
String s = (String)o;
if (!(s == null ||
s == String.Empty
)
)
{
nonBlankCount++;
}
}
// char
else if (t.FullName == "System.Char")
{
Char c = (Char)o;
if (!(c == ' '
)
)
{
nonBlankCount++;
}
}
// SmartDate
else if (t.FullName == "Csla.SmartDate")
{
SmartDate d = (SmartDate)o;
if (!(d == null ||
d.IsEmpty
)
)
{
nonBlankCount++;
}
}
// SmartField
else if (t.FullName == "CslaSrd.SmartInt16" ||
t.FullName == "CslaSrd.SmartInt32" ||
t.FullName == "CslaSrd.SmartInt64" ||
t.FullName == "CslaSrd.SmartFloat" ||
t.FullName == "CslaSrd.SmartDecimal" ||
t.FullName == "CslaSrd.SmartBool"
)
{
ISmartField f = (ISmartField)o;
if (!(f == null ||
f.HasNullValue()
)
)
{
nonBlankCount++;
}
}
// other - error.
else
{
}
}
if (nonBlankCount > 1)
{
String csvPropertyList = String.Empty;
for (int i = 0; i < ee.PropertyList.Count; i++)
{
csvPropertyList += "," + ee.PropertyList[i].ToString();
}
if (csvPropertyList.Length > 0)
{
csvPropertyList = csvPropertyList.Substring(1);
}
ee.Description = Resources.ruleAOrBValue.Replace("{propertyList}", csvPropertyList);
return(false);
}
else
{
return(true);
}
}