public static bool EnhancedCompareTo(this bool itemValue, Criteria criteria)
{
switch (criteria.Operator)
{
case Operators.Equal:
return itemValue == Convert.ToBoolean(Convert.ToByte(criteria.Value));
case Operators.NotEqual:
return itemValue != Convert.ToBoolean(Convert.ToByte(criteria.Value));
}
return false;
}
public static bool EnhancedCompareTo(this string itemValue, Criteria criteria)
{
switch (criteria.Operator)
{
case Operators.Equal:
return itemValue.CompareTo(criteria.Value) == 0;
case Operators.NotEqual:
return itemValue.CompareTo(criteria.Value) != 0;
case Operators.StartsWith:
return itemValue.StartsWith(criteria.Value);
case Operators.Contains:
return itemValue.Contains(criteria.Value);
}
return false;
}
public static bool EnhancedCompareTo(this long itemValue, Criteria criteria)
{
long dest = 0;
bool ok = long.TryParse(criteria.Value, out dest);
if (!ok) return false;
switch (criteria.Operator)
{
case Operators.Equal:
return itemValue == dest;
case Operators.NotEqual:
return itemValue != dest;
case Operators.GreaterThan:
return itemValue > dest;
case Operators.LessThan:
return itemValue < dest;
}
return false;
}
public static bool EnhancedCompareTo(this DateTime itemValue, Criteria criteria)
{
DateTime dest;
bool ok = DateTime.TryParse(criteria.Value, out dest);
if (!ok) return false;
switch (criteria.Operator)
{
case Operators.Equal:
return itemValue.CompareTo(dest) == 0;
case Operators.NotEqual:
return itemValue.CompareTo(dest) != 0;
case Operators.EarlierThan:
return itemValue.CompareTo(dest) < 0;
case Operators.LaterThan:
return itemValue.CompareTo(dest) > 0;
}
return false;
}
public static bool EnhancedCompareTo(this List<SPFieldLookupValue> itemValueCol, Criteria criteria)
{
SPFieldLookupValueCollection criteriaValueCol = new SPFieldLookupValueCollection(criteria.Value);
var query1 = from criteriaLookup in criteriaValueCol
join itemLookup in itemValueCol
on criteriaLookup.LookupId equals itemLookup.LookupId
select new { criteriaLookup.LookupId };
switch (criteria.Operator)
{
case Operators.Equal:
return (itemValueCol.Count == criteriaValueCol.Count &&
query1.Count() == criteriaValueCol.Count);
case Operators.NotEqual:
return (itemValueCol.Count != criteriaValueCol.Count ||
query1.Count() != criteriaValueCol.Count);
case Operators.Contains:
var query2 = from itemLookup in itemValueCol
join criteriaLookup in criteriaValueCol
on itemLookup.LookupId equals criteriaLookup.LookupId
select new { criteriaLookup.LookupId };
return (query2.Count() == criteriaValueCol.Count);
}
return false;
}
public static bool ValidateItemProperty(SPListItem item, Guid fieldId, Criteria criteria, string itemValueString)
{
switch (item.Fields[fieldId].Type)
{
case SPFieldType.Boolean:
return Boolean.Parse(itemValueString).EnhancedCompareTo(criteria);
case SPFieldType.User:
SPFieldUser userField = (SPFieldUser)item.Fields[fieldId];
SPPrincipal spPrincipal = item.ParentList.ParentWeb.Site.FindUserOrSiteGroup(itemValueString);
if (userField.AllowMultipleValues)
{
//SPFieldLookupValueCollection userValues = new SPFieldLookupValueCollection(itemValueString);
//return userValues.EnhancedCompareTo(criteria);
return false;
}
SPFieldLookupValue userValue = new SPFieldLookupValue(spPrincipal.ID, spPrincipal.Name);
return userValue.EnhancedCompareTo(criteria);
case SPFieldType.Lookup:
SPFieldLookup lookupField = (SPFieldLookup)item.Fields[fieldId];
if (lookupField.AllowMultipleValues)
{
SPFieldLookupValueCollection itemValueCol = new SPFieldLookupValueCollection(itemValueString);
return itemValueCol.EnhancedCompareTo(criteria);
}
SPFieldLookupValue itemFieldValue = (SPFieldLookupValue)lookupField.GetFieldValue(itemValueString);
return itemFieldValue.EnhancedCompareTo(criteria);
case SPFieldType.Computed:
case SPFieldType.Note:
case SPFieldType.Text:
return itemValueString.EnhancedCompareTo(criteria);
case SPFieldType.Currency:
case SPFieldType.Integer:
case SPFieldType.Number:
long itemValue;
if (long.TryParse(itemValueString, out itemValue))
{
return itemValue.EnhancedCompareTo(criteria);
}
break;
case SPFieldType.DateTime:
DateTime itemDateTimeValue;
if (DateTime.TryParse(itemValueString, out itemDateTimeValue))
{
return itemDateTimeValue.EnhancedCompareTo(criteria);
}
break;
default:
return itemValueString.EnhancedCompareTo(criteria);
}
return false;
}
public static bool ValidateItemProperty(SPListItem item, Guid fieldId, Criteria criteria )
{
string itemValueString = item[fieldId].ToString();
switch (item.Fields[fieldId].Type)
{
case SPFieldType.User:
case SPFieldType.Lookup:
SPFieldLookup lookupField = (SPFieldLookup)item.Fields[fieldId];
if (lookupField.AllowMultipleValues)
{
SPFieldLookupValueCollection itemValueCol = new SPFieldLookupValueCollection(itemValueString);
return itemValueCol.EnhancedCompareTo(criteria);
}
//the settings can only save the lookup id in case of single lookup
SPFieldLookupValue itemFieldValue = (SPFieldLookupValue)lookupField.GetFieldValue(itemValueString);
return itemFieldValue.EnhancedCompareTo(criteria);
case SPFieldType.Computed:
case SPFieldType.Note:
case SPFieldType.Text:
return itemValueString.EnhancedCompareTo(criteria);
case SPFieldType.Currency:
case SPFieldType.Integer:
case SPFieldType.Number:
long itemValue;
if (long.TryParse(itemValueString, out itemValue))
{
return itemValue.EnhancedCompareTo(criteria);
}
break;
case SPFieldType.DateTime:
DateTime itemDateTimeValue;
if (DateTime.TryParse(itemValueString, out itemDateTimeValue))
{
return itemDateTimeValue.EnhancedCompareTo(criteria);
}
break;
default:
return itemValueString.EnhancedCompareTo(criteria);
}
return false;
}
public static bool EnhancedCompareTo( this SPFieldLookupValue itemValue, Criteria criteria)
{
SPFieldLookupValue criteriaValue = new SPFieldLookupValue(criteria.Value);
switch (criteria.Operator)
{
case Operators.Contains:
case Operators.Equal:
return itemValue.LookupId == criteriaValue.LookupId;
case Operators.NotEqual:
return itemValue.LookupId != criteriaValue.LookupId;
}
return false;
}
