/// <summary>
/// Updates the two rows with new values.
/// </summary>
/// <param name="sender">The member of totals that was changed.</param>
/// <param name="e">The arguments</param>
public void UpdateBudgetAndSum(object sender, PropertyChangedEventArgs e)
{
netBudgetRow.Values.Values = new decimal[12];
for (int i = 0; i < _totals.Count; i++)
{
MoneyGridRow row = _totals.ElementAt(i);
for (int j = 0; j < row.Values.Count; j++)
{
if (IsComparison) //Checks if object is part of comparison view.
{
netBudgetRow.Values[j] += row.Values[j];
continue;
}
//Values have sign changed if it is from an expenditure group.
if (row.Group.IsIncome)
{
netBudgetRow.Values[j] += row.Values[j];
}
else
{
netBudgetRow.Values[j] -= row.Values[j];
}
}
}
netSumRow.Values[0] = netBudgetRow.Values[0];
for (int i = 1; i < netBudgetRow.Values.Count; i++)
{
netSumRow.Values[i] = netSumRow.Values[i - 1] + netBudgetRow.Values[i];
}
}
/// <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;
}
}