internal bool SetFilterDesriptor(GridViewDataColumn dataColumn, FilterDescriptor descriptor)
{
bool isDetached = false;
bool flag = false;
FilterDescriptor filterDescriptor1 = this.GetFilterDescriptor(dataColumn, out isDetached);
this.SuspendUpdate();
if (dataColumn.SetFilterDescriptor(descriptor))
{
if (descriptor != null)
{
this.Cache[(GridViewColumn)dataColumn] = (object)descriptor;
}
flag = true;
}
if ((isDetached || flag) && descriptor == null)
{
filterDescriptor1.Operator = FilterOperator.None;
if (filterDescriptor1 is CompositeFilterDescriptor)
{
dataColumn.FilterDescriptor = (FilterDescriptor)null;
FilterDescriptor filterDescriptor2 = new FilterDescriptor(dataColumn.Name, FilterOperator.None, (object)null);
this.Cache[(GridViewColumn)dataColumn] = (object)filterDescriptor2;
}
}
this.ResumeUpdate();
return(flag);
}
internal override object this[GridViewColumn column]
{
get
{
FilterDescriptor filterDescriptor = this.GetFilterDescriptor(column as GridViewDataColumn);
if (filterDescriptor != null && filterDescriptor.Operator != FilterOperator.None && (filterDescriptor.Operator != FilterOperator.IsNull && filterDescriptor.Operator != FilterOperator.IsNotNull))
{
return(filterDescriptor.Value);
}
return((object)null);
}
set
{
bool isDetached = false;
GridViewDataColumn dataColumn = column as GridViewDataColumn;
FilterDescriptor filterDescriptor = this.GetFilterDescriptor(dataColumn, out isDetached);
if (filterDescriptor == null)
{
return;
}
FilterOperator filterOperator = filterDescriptor.Operator;
bool flag = !isDetached && (value == null || object.Equals(value, (object)string.Empty) || object.Equals(value, (object)char.MinValue));
this.SuspendUpdate();
if (flag)
{
if (!dataColumn.SetFilterDescriptor((FilterDescriptor)null))
{
this.ResumeUpdate();
return;
}
filterDescriptor = this.GetFilterDescriptor(dataColumn);
}
filterDescriptor.Operator = filterOperator;
GridViewDateTimeColumn viewDateTimeColumn = dataColumn as GridViewDateTimeColumn;
if (viewDateTimeColumn != null && value is DateTime)
{
value = (object)GridViewHelper.ClampDateTime(Convert.ToDateTime(value), viewDateTimeColumn.FilteringMode);
}
filterDescriptor.Value = value;
if (isDetached && value != null)
{
this.SetFilterDesriptor(dataColumn, filterDescriptor);
}
this.ResumeUpdate();
}
}