+void
+PlotFileDocument::Modify (bool mod)
+{
+ wxDocument::Modify(mod);
+}
+
+PlotFileView*
+PlotFileDocument::getView() const
+{
+ return dynamic_cast<PlotFileView*>(GetFirstView());
+}
+
+void
+PlotFileDocument::Activate()
+{
+#if CTSIM_MDI
+ getView()->getFrame()->Activate();
+#endif
+};
+
+//////////////////////////////////////////////////////////////////////////
+//
+// TextFileDocument
+//
+//////////////////////////////////////////////////////////////////////////
+
+IMPLEMENT_DYNAMIC_CLASS(TextFileDocument, wxDocument)
+
+bool
+TextFileDocument::OnSaveDocument(const wxString& filename)
+{
+ TextFileView *view = getView();
+ if (! view->getTextCtrl()->SaveFile(filename))
+ return false;
+ Modify(false);
+ return true;
+}
+
+bool
+TextFileDocument::OnOpenDocument(const wxString& filename)
+{
+ TextFileView *view = getView();
+
+ if (! view->getTextCtrl()->LoadFile(filename)) {
+ m_bBadFileOpen = true;
+ return false;
+ }
+
+ SetFilename (filename, true);
+ Modify (false);
+ UpdateAllViews();
+ m_bBadFileOpen = false;
+ return true;
+}
+
+bool
+TextFileDocument::IsModified(void) const
+{
+ return false;
+
+ TextFileView *view = getView();
+
+ if (view)
+ return (wxDocument::IsModified() || view->getTextCtrl()->IsModified());
+ else
+ return wxDocument::IsModified();
+}
+
+
+TextFileView*
+TextFileDocument::getView() const
+{
+ return dynamic_cast<TextFileView*>(GetFirstView());
+}
+
+wxTextCtrl*
+TextFileDocument::getTextCtrl()
+{
+ return dynamic_cast<TextFileView*>(GetFirstView())->getTextCtrl();
+}
+
+//////////////////////////////////////////////////////////////////////////
+//
+// Graph3dFileDocument
+//
+//////////////////////////////////////////////////////////////////////////
+
+#if wxUSE_GLCANVAS
+
+IMPLEMENT_DYNAMIC_CLASS(Graph3dFileDocument, wxDocument)
+
+Graph3dFileDocument::Graph3dFileDocument(void)
+: m_bBadFileOpen(false), m_nVertices(0), m_pVertices(0), m_pNormals(0),m_nx(0),m_ny(0),m_array(0)