void csDiagramView::DoCut(wxList& shapes)
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
if (shapes.GetCount() > 0)
{
csDiagramCommand* cmd = new csDiagramCommand(_T("Cut"), doc);
wxObjectList::compatibility_iterator node = shapes.GetFirst();
while (node)
{
wxShape *theShape = (wxShape*) node->GetData();
csCommandState* state = new csCommandState(ID_CS_CUT, NULL, theShape);
// Insert lines at the front, so they are cut first.
// Otherwise we may try to remove a shape with a line still
// attached.
if (theShape->IsKindOf(CLASSINFO(wxLineShape)))
cmd->InsertState(state);
else
cmd->AddState(state);
node = node->GetNext();
}
cmd->RemoveLines(); // Schedule any connected lines, not already mentioned,
// to be removed first
doc->GetCommandProcessor()->Submit(cmd);
}
}
void MyFrame::OnClose(wxCloseEvent& event)
{
if ( !event.CanVeto() )
{
event.Skip();
return ;
}
if ( m_children.GetCount () < 1 )
{
event.Skip();
return ;
}
// now try the children
wxObjectList::compatibility_iterator pNode = m_children.GetFirst ();
wxObjectList::compatibility_iterator pNext ;
MyChild * pChild ;
while ( pNode )
{
pNext = pNode -> GetNext ();
pChild = (MyChild*) pNode -> GetData ();
if (pChild -> Close ())
{
m_children.Erase(pNode) ;
}
else
{
event.Veto();
return;
}
pNode = pNext ;
}
event.Skip();
}
// Generalised command
void csDiagramView::DoCmd(wxList& shapes, wxList& oldShapes, int cmd, const wxString& op)
{
csDiagramDocument *doc = (csDiagramDocument *)GetDocument();
if (shapes.GetCount() > 0)
{
csDiagramCommand* command = new csDiagramCommand(op, doc);
wxObjectList::compatibility_iterator node = shapes.GetFirst();
wxObjectList::compatibility_iterator node1 = oldShapes.GetFirst();
while (node && node1)
{
wxShape *theShape = (wxShape*) node->GetData();
wxShape *oldShape = (wxShape*) node1->GetData();
csCommandState* state = new csCommandState(cmd, theShape, oldShape);
command->AddState(state);
node = node->GetNext();
node1 = node1->GetNext();
}
doc->GetCommandProcessor()->Submit(command);
}
}
