public static int GetGroupDescriptionIndexFromFieldName(DataGridContext dataGridContext, string fieldName, DropMarkAlignment alignment)
{
ObservableCollection <GroupDescription> groupDescriptions = dataGridContext.Items.GroupDescriptions;
for (int i = groupDescriptions.Count - 1; i >= 0; i--)
{
if (DataGridContext.GetColumnNameFromGroupDescription(groupDescriptions[i]) == fieldName)
{
if (alignment == DropMarkAlignment.Far)
{
i++;
}
return(i);
}
}
return(dataGridContext.Items.GroupDescriptions.Count);
}
private bool IsGroupDescriptionAlreadyPresent(GroupDescription newGroupDescription, out string newGroupName)
{
newGroupName = DataGridContext.GetColumnNameFromGroupDescription(newGroupDescription);
// We accept null or empty group names
if (!string.IsNullOrEmpty(newGroupName))
{
foreach (GroupDescription groupDescription in this.Items)
{
string groupName = DataGridContext.GetColumnNameFromGroupDescription(groupDescription);
if (!string.IsNullOrEmpty(groupName))
{
if (newGroupName == groupName)
{
return(true);
}
}
}
}
return(false);
}
