/// <summary>
/// Moves the specified group closer to the front (0-index) of the collection.
/// </summary>
/// <param name="group">The group to move</param>
private void MoveGroupUp(Group group)
{
if (group == null)
{
return;
}
int index = _groups.IndexOf(group);
if (index < 0)
{
throw new ArgumentException("Group " + group.Name + " does not exist");
}
if (index > 0)
{
int startIndex = this.sessionService.BudgetValues.IndexOf(this.sessionService.BudgetValues.First(x => x.Group == group));
int targetIndex = this.sessionService.BudgetValues.IndexOf(this.sessionService.BudgetValues.First(x => x.Group == _groups.ElementAt(index - 1)));
int endIndex = this.sessionService.BudgetValues.IndexOf(this.sessionService.BudgetValues.Last(x => x.Group == group));
_groups.Move(index, index - 1);
this.sessionService.MoveTotalRows(index, index - 1);
int offset = targetIndex - startIndex;
//Move each row in the Values grids
for (int i = 0; i <= endIndex - startIndex; i++)
{
this.sessionService.MoveValueRows(startIndex + i, startIndex + i + offset);
}
this.sessionService.RefreshListViews(); //Refresh grouping
this.SelectedGroupItem = group;
}
}