public override bool Matches(DataSchema dataSchema, Type columnType, object columnValue, object operandValue)
{
if (columnValue == null)
{
return(false);
}
columnValue = Convert.ChangeType(columnValue, GetTypeToConvertOperandTo(dataSchema, columnType));
return(ComparisonMatches(dataSchema.Compare(columnValue, operandValue)));
}
public static Comparison<RowKey> GetComparison(DataSchema dataSchema, IEnumerable<IdentifierPath> keys)
{
var sortedKeys = keys.ToArray();
Array.Sort(sortedKeys);
return (rowKey1, rowKey2) =>
{
foreach (var key in sortedKeys)
{
var result = dataSchema.Compare(rowKey1.FindValue(key), rowKey2.FindValue(key));
if (result != 0)
{
return result;
}
}
return 0;
};
}
public int CompareTo(SortRow other)
{
for (int i = 0; i < Sorts.Count; i++)
{
var sort = Sorts[i];
int result = DataSchema.Compare(_keys[i], other._keys[i]);
if (sort.SortDirection == ListSortDirection.Descending)
{
result = -result;
}
if (result != 0)
{
return(result);
}
}
return(OriginalRowIndex.CompareTo(other.OriginalRowIndex));
}
public int Compare(PivotKey x, PivotKey y)
{
// ReSharper disable PossibleNullReferenceException
if (x.Length == 0)
{
return(y.Length == 0 ? 0 : -1);
}
if (y.Length == 0)
{
return(1);
}
if (x.Length > y.Length)
{
int result = Compare(x.Parent, y);
if (result != 0)
{
return(result);
}
return(1);
}
else if (x.Length < y.Length)
{
int result = Compare(x, y.Parent);
if (result != 0)
{
return(result);
}
return(-1);
}
else
{
int result = Compare(x.Parent, y.Parent);
if (result != 0)
{
return(result);
}
result = x.PropertyPath.CompareTo(y.PropertyPath);
if (result != 0)
{
return(result);
}
return(_dataSchema.Compare(x.Value, y.Value));
}
// ReSharper restore PossibleNullReferenceException
}
public static Comparison <RowKey> GetComparison(DataSchema dataSchema, IEnumerable <IdentifierPath> keys)
{
var sortedKeys = keys.ToArray();
Array.Sort(sortedKeys);
return((rowKey1, rowKey2) =>
{
foreach (var key in sortedKeys)
{
var result = dataSchema.Compare(rowKey1.FindValue(key), rowKey2.FindValue(key));
if (result != 0)
{
return result;
}
}
return 0;
});
}
public int Compare(PivotKey x, PivotKey y)
{
if (x.Length == 0)
{
return(y.Length == 0 ? 0 : -1);
}
if (y.Length == 0)
{
return(1);
}
if (x.Length > y.Length)
{
int result = Compare(x.Parent, y);
if (result != 0)
{
return(result);
}
return(1);
}
else if (x.Length < y.Length)
{
int result = Compare(x, y.Parent);
if (result != 0)
{
return(result);
}
return(-1);
}
else
{
int result = Compare(x.Parent, y.Parent);
if (result != 0)
{
return(result);
}
result = x.PropertyPath.CompareTo(y.PropertyPath);
if (result != 0)
{
return(result);
}
return(_dataSchema.Compare(x.Value, y.Value));
}
}
