///--------------------------------------------------------------------------------
/// <summary>This method updates the view model data and sends update command back
/// to the solution builder.</summary>
///--------------------------------------------------------------------------------
protected override void OnUpdate()
{
// send update for any updated children
foreach (EnumerationViewModel item in Enumerations)
{
if (item.IsEdited == true)
{
item.Update();
}
}
// send update for any new children
foreach (EnumerationViewModel item in ItemsToAdd.OfType <EnumerationViewModel>())
{
item.Update();
Enumerations.Add(item);
}
ItemsToAdd.Clear();
// send delete for any deleted children
foreach (EnumerationViewModel item in ItemsToDelete.OfType <EnumerationViewModel>())
{
item.Delete();
Enumerations.Remove(item);
}
ItemsToDelete.Clear();
// reset modified for children
foreach (EnumerationViewModel item in Enumerations)
{
item.ResetModified(false);
}
}
///--------------------------------------------------------------------------------
/// <summary>This method applies enumeration deletes.</summary>
///--------------------------------------------------------------------------------
public void ProcessDeleteEnumerationPerformed(EnumerationEventArgs data)
{
try
{
bool isItemMatch = false;
if (data != null && data.Enumeration != null)
{
foreach (EnumerationViewModel item in Enumerations.ToList <EnumerationViewModel>())
{
if (item.Enumeration.EnumerationID == data.Enumeration.EnumerationID)
{
// remove item from tabs, if present
WorkspaceEventArgs message = new WorkspaceEventArgs();
message.ItemID = item.Enumeration.EnumerationID;
Mediator.NotifyColleagues <WorkspaceEventArgs>(MediatorMessages.Command_CloseItemRequested, message);
// delete children
for (int i = item.Items.Count - 1; i >= 0; i--)
{
if (item.Items[i] is ValueViewModel)
{
ValueViewModel child = item.Items[i] as ValueViewModel;
ValueEventArgs childMessage = new ValueEventArgs();
childMessage.Value = child.Value;
childMessage.EnumerationID = item.Enumeration.EnumerationID;
childMessage.Solution = Solution;
childMessage.WorkspaceID = child.WorkspaceID;
item.ProcessDeleteValuePerformed(childMessage);
}
}
// delete item
isItemMatch = true;
Enumerations.Remove(item);
Model.EnumerationList.Remove(item.Enumeration);
Items.Remove(item);
Model.ResetModified(true);
OnUpdated(this, null);
break;
}
}
if (isItemMatch == false)
{
ShowIssue(DisplayValues.Issue_DeleteItemNotFound);
}
}
}
catch (Exception ex)
{
ShowIssue(ex.Message + ex.StackTrace);
}
}
///--------------------------------------------------------------------------------
/// <summary>This method deletes an instance of Enumeration from the view model.</summary>
///
/// <param name="itemView">The Enumeration to delete.</param>
///--------------------------------------------------------------------------------
public void DeleteEnumeration(EnumerationViewModel itemView)
{
itemView.Updated -= Children_Updated;
Enumerations.Remove(itemView);
Delete(itemView);
}
