private GrilleColumnFilter buildColumnFilter(String link, String name, String operation, String value)
{
GrilleColumn column = this.Grille.GetColumn(name);
if (column != null)
{
GrilleColumnFilter filter = new GrilleColumnFilter();
filter.column = column;
filter.filterOperation = link;
filter.filterOperator = operation;
filter.filterValue = value;
return(filter);
}
return(null);
}
private GrilleColumnFilter buildColumnFilters(CriteriaOperator criteria)
{
GrilleColumnFilter filter = new GrilleColumnFilter();
if (criteria != null)
{
String link = "And";
if (criteria is FunctionOperator)
{
FunctionOperator function = (FunctionOperator)criteria;
if (function.Operands.Count == 3)
{
String operation = function.Operands[0].ToString();
String name = ((OperandProperty)function.Operands[1]).PropertyName;
String value = ((OperandValue)function.Operands[2]).Value.ToString();
filter = buildColumnFilter(link, name, operation, value);
}
else if (function.Operands.Count == 2)
{
String operation = function.OperatorType.ToString();
String name = ((OperandProperty)function.Operands[0]).PropertyName;
String value = ((OperandValue)function.Operands[1]).Value.ToString();
filter = buildColumnFilter(link, name, operation, value);
}
else if (function.Operands.Count == 1)
{
String operation = function.OperatorType.ToString();
String name = ((OperandProperty)function.Operands[0]).PropertyName;
filter = buildColumnFilter(link, name, operation, null);
}
}
if (criteria is UnaryOperator)
{
UnaryOperator function = (UnaryOperator)criteria;
String operation = function.OperatorType.ToString();
String name = null;
if (function.Operand is OperandProperty)
{
name = ((OperandProperty)function.Operand).PropertyName;
filter = buildColumnFilter(link, name, operation, null);
}
else if (function.Operand is FunctionOperator)
{
FunctionOperator functionOperator = (FunctionOperator)function.Operand;
String operation2 = functionOperator.OperatorType.ToString();
filter = buildColumnFilters(functionOperator);
filter.filterOperator = operation + filter.filterOperator;
}
}
if (criteria is BinaryOperator)
{
BinaryOperator function = (BinaryOperator)criteria;
String operation = function.OperatorType.ToString();
String name = ((OperandProperty)function.LeftOperand).PropertyName;
String value = ((OperandValue)function.RightOperand).Value.ToString();
filter = buildColumnFilter(link, name, operation, value);
}
if (criteria is GroupOperator)
{
GroupOperator function = (GroupOperator)criteria;
filter.isGroup = true;
filter.filterOperation = function.OperatorType.ToString();
foreach (CriteriaOperator op in function.Operands)
{
GrilleColumnFilter item = buildColumnFilters(op);
if (item != null)
{
filter.items.Add(item);
}
}
}
}
return(filter);
}
