Index: include/cbeditor.h
===================================================================
--- include/cbeditor.h    (revision 5332)
+++ include/cbeditor.h    (working copy)
@@ -274,6 +274,9 @@
         bool CanPaste() const;
         bool IsReadOnly() const;
 
+        bool CanSelectAll() const;
+        void SelectAll();
+
         // Workaround for shift-tab bug in wx2.4.2
         void DoIndent(); /// Indents current line/block
         void DoUnIndent(); /// UnIndents current line/block
Index: include/editorbase.h
===================================================================
--- include/editorbase.h    (revision 5332)
+++ include/editorbase.h    (working copy)
@@ -111,6 +111,13 @@
           * @return True on success, false otherwise. */
         virtual bool Save() { return true; }
 
+        /** @brief Save editor contents under a different filename.
+          *
+          * Save editor contents under a different filename.
+          * The default implementation does nothing and returns true.
+          * @return True on success, false otherwise. */
+        virtual bool SaveAs() { return true; }
+
         /** @brief Is this a built-in editor?
           *
           * Query if this is a built-in editor (a.k.a cbEditor).
@@ -247,6 +254,13 @@
           * @return True if the editor is read-only, false if not.
           */
         virtual bool IsReadOnly() const { return false; }
+
+        /** Can the editor select everything?
+          *
+          * @return True if the editor can select all content, false if not.
+          */
+        virtual bool CanSelectAll() const { return false; }
+        virtual void SelectAll(){return;}
     protected:
         /** Initializes filename data.
           * @param filename The editor's filename for initialization.
Index: sdk/cbeditor.cpp
===================================================================
--- sdk/cbeditor.cpp    (revision 5332)
+++ sdk/cbeditor.cpp    (working copy)
@@ -2814,3 +2814,13 @@
         EditorHooks::CallHooks(this, event);
     }
 }
+
+bool cbEditor::CanSelectAll() const
+{
+    return GetControl()->GetLength() > 0;
+}
+
+void cbEditor::SelectAll()
+{
+    GetControl()->SelectAll();
+}
Index: sdk/editormanager.cpp
===================================================================
--- sdk/editormanager.cpp    (revision 5332)
+++ sdk/editormanager.cpp    (working copy)
@@ -786,7 +786,7 @@
 
 bool EditorManager::SaveAs(int index)
 {
-    cbEditor* ed = GetBuiltinEditor(GetEditor(index));
+    EditorBase* ed = InternalGetEditorBase(index);
     if(!ed)
         return false;
     return ed->SaveAs();
@@ -794,7 +794,7 @@
 
 bool EditorManager::SaveActiveAs()
 {
-    cbEditor* ed = GetBuiltinEditor(GetActiveEditor());
+    EditorBase* ed = GetActiveEditor();
     if (ed)
     {
         return ed->SaveAs();
Index: src/main.cpp
===================================================================
--- src/main.cpp    (revision 5332)
+++ src/main.cpp    (working copy)
@@ -2912,9 +2912,9 @@
 
 void MainFrame::OnEditSelectAll(wxCommandEvent& event)
 {
-    cbEditor* ed = Manager::Get()->GetEditorManager()->GetBuiltinActiveEditor();
+    EditorBase* ed = Manager::Get()->GetEditorManager()->GetBuiltinActiveEditor();
     if (ed)
-        ed->GetControl()->SelectAll();
+        ed->SelectAll();
 }
 
 CommentToken GetCommentToken(cbStyledTextCtrl* stc)
@@ -3733,6 +3733,7 @@
     bool canRedo = false;
     bool canPaste = false;
     bool canCut = false;
+    bool canSelAll = false;
     int eolMode = -1;
 
     if(Manager::Get()->GetEditorManager() && !Manager::isappShuttingDown())
@@ -3752,6 +3753,7 @@
         hasSel = eb->HasSelection();
         canPaste = eb->CanPaste();
         canCut = !eb->IsReadOnly() && hasSel;
+        canSelAll = eb->CanSelectAll();
     }
 
     mbar->Enable(idEditUndo, canUndo);
@@ -3762,7 +3764,7 @@
     mbar->Enable(idEditSwapHeaderSource, ed);
     mbar->Enable(idEditGotoMatchingBrace, ed);
     mbar->Enable(idEditHighlightMode, ed);
-    mbar->Enable(idEditSelectAll, ed);
+    mbar->Enable(idEditSelectAll, canSelAll);
     mbar->Enable(idEditBookmarks, ed);
     mbar->Enable(idEditFolding, ed);
     mbar->Enable(idEditEOLMode, ed);