public static string GetFilterString(
FilterDescriptor descriptor,
GridViewComboBoxColumn lookupColumn,
int maxTextLength)
{
if (descriptor == null)
{
return(LocalizationProvider <RadGridLocalizationProvider> .CurrentProvider.GetLocalizedString("FilterOperatorNoFilter"));
}
StringBuilder sb = new StringBuilder();
GridFilterStringProvider.CreateFilterStringValues(descriptor, ref sb, lookupColumn);
if (maxTextLength > 0 && sb.Length > maxTextLength)
{
sb.Remove(maxTextLength, sb.Length - maxTextLength);
sb.Append("...");
}
return(sb.ToString());
}
private static void CreateFilterStringValues(
FilterDescriptor descriptor,
ref StringBuilder sb,
GridViewComboBoxColumn lookupColumn)
{
if (descriptor is CompositeFilterDescriptor)
{
bool flag = false;
CompositeFilterDescriptor filterDescriptor1 = (CompositeFilterDescriptor)descriptor;
if (filterDescriptor1.NotOperator)
{
sb.Append(LocalizationProvider <RadGridLocalizationProvider> .CurrentProvider.GetLocalizedString("FilterCompositeNotOperator"));
sb.Append(" ");
flag = true;
}
foreach (FilterDescriptor filterDescriptor2 in (Collection <FilterDescriptor>)filterDescriptor1.FilterDescriptors)
{
if (sb.Length > 0 && !flag)
{
string str = string.Empty;
switch (filterDescriptor1.LogicalOperator)
{
case FilterLogicalOperator.And:
str = LocalizationProvider <RadGridLocalizationProvider> .CurrentProvider.GetLocalizedString("FilterLogicalOperatorAnd");
break;
case FilterLogicalOperator.Or:
str = LocalizationProvider <RadGridLocalizationProvider> .CurrentProvider.GetLocalizedString("FilterLogicalOperatorOr");
break;
}
sb.Append(str);
sb.Append(' ');
}
flag = false;
GridFilterStringProvider.CreateFilterStringValues(filterDescriptor2, ref sb, lookupColumn);
}
}
else
{
sb.Append(GridFilterStringProvider.GetLocalizedFilterOperator(descriptor.Operator));
if (descriptor.Operator == FilterOperator.None || descriptor.Operator == FilterOperator.IsNull || descriptor.Operator == FilterOperator.IsNotNull)
{
return;
}
sb.Append(": \"");
if (lookupColumn == null)
{
sb.Append(descriptor.Value);
}
else
{
object lookupValue = descriptor.Value;
if (lookupColumn != null && lookupColumn.FilteringMode == GridViewFilteringMode.ValueMember)
{
lookupValue = lookupColumn.GetLookupValue(descriptor.Value);
}
if (lookupValue != null)
{
sb.Append(lookupValue);
}
else
{
sb.Append(descriptor.Value);
}
}
sb.Append("\" ");
}
}
public static string GetFilterString(
FilterDescriptor descriptor,
GridViewComboBoxColumn lookupColumn)
{
return(GridFilterStringProvider.GetFilterString(descriptor, lookupColumn, 0));
}
public static string GetFilterString(FilterDescriptor descriptor)
{
return(GridFilterStringProvider.GetFilterString(descriptor, (GridViewComboBoxColumn)null, 0));
}
