protected virtual GridViewColumnValuesCollection GetDistinctValues()
{
int index1 = this.Index;
if (index1 >= 0)
{
IList <GridViewRowInfo> gridViewRowInfoList = (IList <GridViewRowInfo>) this.OwnerTemplate.Rows;
if (gridViewRowInfoList.Count == 0 && this.OwnerTemplate.Parent != null && this.OwnerTemplate.HierarchyLevel > 0)
{
gridViewRowInfoList = (IList <GridViewRowInfo>) new List <GridViewRowInfo>();
GridViewInfo masterViewInfo = this.OwnerTemplate.MasterViewInfo;
for (int index2 = 0; index2 < this.OwnerTemplate.Parent.Rows.Count; ++index2)
{
GridViewRowInfo row = this.OwnerTemplate.Parent.Rows[index2];
((List <GridViewRowInfo>)gridViewRowInfoList).AddRange((IEnumerable <GridViewRowInfo>) this.OwnerTemplate.HierarchyDataProvider.GetChildRows(row, masterViewInfo));
}
}
GridViewColumnValuesCollection valuesCollection = new GridViewColumnValuesCollection();
foreach (GridViewRowInfo gridViewRowInfo in (IEnumerable <GridViewRowInfo>)gridViewRowInfoList)
{
object obj = gridViewRowInfo.Cells[index1].Value;
if (!valuesCollection.Contains(obj))
{
valuesCollection.Add(obj);
}
}
if (valuesCollection.Count > 0)
{
return(valuesCollection);
}
}
return((GridViewColumnValuesCollection)null);
}
protected virtual void UpdateDistinctValuesWithFilter()
{
if (this.distinctValuesWithFilter == null)
{
return;
}
this.distinctValuesWithFilter.Clear();
this.distinctValuesWithFilter = this.GetDistinctValuesWithFilter();
}
protected virtual void UpdateDistinctValues()
{
if (this.distinctValues == null)
{
return;
}
this.distinctValues.Clear();
this.distinctValues = this.GetDistinctValues();
}
protected virtual GridViewColumnValuesCollection GetDistinctValuesWithFilter()
{
int index = this.Index;
this.containsBlanks = false;
if (index >= 0)
{
GridViewColumnValuesCollection distinctValues = new GridViewColumnValuesCollection();
if (this.OwnerTemplate.IsSelfReference)
{
foreach (GridViewRowInfo row in this.OwnerTemplate.Rows)
{
object obj = row.Cells[index].Value;
if (!this.containsBlanks)
{
this.containsBlanks = obj == null || obj == DBNull.Value;
}
if (!distinctValues.Contains(obj))
{
distinctValues.Add(obj);
}
}
}
else
{
foreach (GridViewRowInfo row in !this.OwnerTemplate.MasterTemplate.EnablePaging ? (IEnumerable <GridViewRowInfo>) this.OwnerTemplate.ChildRows : (IEnumerable <GridViewRowInfo>) this.OwnerTemplate.Rows)
{
if (!this.OwnerTemplate.MasterTemplate.EnablePaging || this.OwnerTemplate.DataView.PassesFilter(row))
{
if (row is GridViewGroupRowInfo)
{
this.GetDistinctValuesFromGroupRows(row, distinctValues);
}
else
{
object obj = row.Cells[index].Value;
if (!this.containsBlanks)
{
this.containsBlanks = obj == null || obj == DBNull.Value;
}
if (!distinctValues.Contains(obj))
{
distinctValues.Add(obj);
}
}
}
}
}
if (distinctValues.Count > 0)
{
return(distinctValues);
}
}
return((GridViewColumnValuesCollection)null);
}
public void CreateSnapshot()
{
if (this.distinctValuesWithFilter == null)
{
return;
}
this.distinctValuesWithFilterSnapshot = new GridViewColumnValuesCollection();
foreach (object obj in this.distinctValuesWithFilter)
{
this.distinctValuesWithFilterSnapshot.Add(obj);
}
}
public GridViewEventResult ProcessEvent(GridViewEvent eventData)
{
if (eventData.Info.Id == KnownEvents.ViewChanged)
{
DataViewChangedEventArgs changedEventArgs = (DataViewChangedEventArgs)eventData.Arguments[0];
switch (changedEventArgs.Action)
{
case ViewChangedAction.Add:
if (changedEventArgs.NewItems[0] is GridViewDataRowInfo)
{
this.UpdateDistinctValues();
this.UpdateDistinctValuesWithFilter();
break;
}
break;
case ViewChangedAction.Remove:
if (changedEventArgs.NewItems[0] is GridViewDataRowInfo)
{
this.UpdateDistinctValues();
this.UpdateDistinctValuesWithFilter();
break;
}
break;
case ViewChangedAction.Reset:
this.distinctValues = (GridViewColumnValuesCollection)null;
this.distinctValuesWithFilter = (GridViewColumnValuesCollection)null;
break;
case ViewChangedAction.ItemChanged:
if (changedEventArgs.NewItems[0] is GridViewDataRowInfo)
{
this.UpdateDistinctValues();
this.UpdateDistinctValuesWithFilter();
break;
}
break;
}
}
else if (eventData.Info.Id == KnownEvents.CollectionChanged)
{
NotifyCollectionChangedEventArgs changedEventArgs = (NotifyCollectionChangedEventArgs)eventData.Arguments[0];
if (changedEventArgs.Action == NotifyCollectionChangedAction.Remove && changedEventArgs.NewItems[0] == this)
{
this.OwnerTemplate.MasterTemplate.SynchronizationService.RemoveListener((IGridViewEventListener)this);
}
}
return((GridViewEventResult)null);
}
protected virtual RadListFilterDistinctValuesTable GetDistinctValuesTable()
{
RadListFilterDistinctValuesTable distinctValuesTable = new RadListFilterDistinctValuesTable();
distinctValuesTable.FormatString = this.dataColumn.FormatString;
distinctValuesTable.DataConversionInfoProvider = (IDataConversionInfoProvider)this.dataColumn;
GridViewColumnValuesCollection valuesWithFilter = this.dataColumn.DistinctValuesWithFilter;
if (valuesWithFilter == null)
{
return(distinctValuesTable);
}
GridViewComboBoxColumn dataColumn = this.dataColumn as GridViewComboBoxColumn;
if (dataColumn != null && !string.IsNullOrEmpty(dataColumn.ValueMember))
{
foreach (object cellValue in valuesWithFilter)
{
if (cellValue != null && cellValue != DBNull.Value)
{
object filterValue = cellValue;
object lookupValue = ((GridViewComboBoxColumn)this.dataColumn).GetLookupValue(cellValue);
if (dataColumn.FilteringMode == GridViewFilteringMode.DisplayMember)
{
filterValue = lookupValue;
}
if (lookupValue != null)
{
distinctValuesTable.Add(lookupValue.ToString(), filterValue);
}
}
}
}
else
{
foreach (object obj in valuesWithFilter)
{
distinctValuesTable.Add(obj);
}
}
return(distinctValuesTable);
}
private void GetDistinctValuesFromGroupRows(
GridViewRowInfo row,
GridViewColumnValuesCollection distinctValues)
{
GridViewGroupRowInfo viewGroupRowInfo = row as GridViewGroupRowInfo;
if (viewGroupRowInfo == null)
{
object obj = row.Cells[this.Index].Value;
if (distinctValues.Contains(obj))
{
return;
}
distinctValues.Add(obj);
}
else
{
foreach (GridViewRowInfo childRow in viewGroupRowInfo.ChildRows)
{
this.GetDistinctValuesFromGroupRows(childRow, distinctValues);
}
}
}
