///--------------------------------------------------------------------------------
/// <summary>This method applies diagram deletes.</summary>
///--------------------------------------------------------------------------------
public void ProcessDeleteDiagramPerformed(DiagramEventArgs data)
{
try
{
bool isItemMatch = false;
if (data != null && data.Diagram != null)
{
foreach (DiagramViewModel item in Diagrams.ToList <DiagramViewModel>())
{
if (item.Diagram.DiagramID == data.Diagram.DiagramID)
{
// remove item from tabs, if present
WorkspaceEventArgs message = new WorkspaceEventArgs();
message.ItemID = item.Diagram.DiagramID;
Mediator.NotifyColleagues <WorkspaceEventArgs>(MediatorMessages.Command_CloseItemRequested, message);
// delete children
for (int i = item.Items.Count - 1; i >= 0; i--)
{
if (item.Items[i] is DiagramEntityViewModel)
{
DiagramEntityViewModel child = item.Items[i] as DiagramEntityViewModel;
DiagramEntityEventArgs childMessage = new DiagramEntityEventArgs();
childMessage.DiagramEntity = child.DiagramEntity;
childMessage.DiagramID = item.Diagram.DiagramID;
childMessage.Solution = Solution;
childMessage.WorkspaceID = child.WorkspaceID;
item.ProcessDeleteDiagramEntityPerformed(childMessage);
}
}
// delete item
isItemMatch = true;
Diagrams.Remove(item);
Solution.DiagramList.Remove(item.Diagram);
Items.Remove(item);
Solution.ResetModified(true);
OnUpdated(this, null);
break;
}
}
if (isItemMatch == false)
{
ShowIssue(DisplayValues.Issue_DeleteItemNotFound);
}
}
}
catch (Exception ex)
{
ShowIssue(ex.Message + ex.StackTrace);
}
}