Added GraphControl; FilteredCardList; ValueEditor

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@74 0fc631ac-6414-0410-93d0-97cfa31319b6

src/gui/control/card_editor.hpp

@@ -18,6 +18,11 @@
 class DataEditor : public CardViewer {
   public:
 	DataEditor(Window* parent, int id, long style = 0);
+	
+  protected:
+	/// Create an editor for the given style (as opposed to a normal viewer)
+	virtual ValueViewerP makeViewer(const StyleP&);
+	
   private:
 	DECLARE_EVENT_TABLE();
 };