Use link_count from children vocabulary and return the stored vocabulary if already...

[synfig.git] / synfig-core / src / synfig / valuenode.h

diff --git a/synfig-core/src/synfig/valuenode.h b/synfig-core/src/synfig/valuenode.h
index 8a1552e..830cd30 100644 (file)
--- a/synfig-core/src/synfig/valuenode.h
+++ b/synfig-core/src/synfig/valuenode.h
@@ -370,7 +370,7 @@ protected:
 public:
 
        //! Returns the number of linked Value Nodes
-       virtual int link_count()const=0;
+       virtual int link_count()const;
 
        //! Returns the local name of the 'i' linked Value Node
        virtual String link_local_name(int i)const;
@@ -396,10 +396,12 @@ public:
        //! Return a full description of the linked ValueNode given by the index
        String get_description(int index = -1, bool show_exported_name = true)const;
 
-       //! Gets the parameter vocabulary for linkable value nodes
-       virtual Vocab get_param_vocab()const=0;
+       //! Gets the children vocabulary for linkable value nodes
+       virtual Vocab get_children_vocab()const;
 
 protected:
+       //! Member to store the children vocabulary
+       Vocab children_vocab;
        //! Sets the type of the ValueNode
        void set_type(ValueBase::Type t) { ValueNode::set_type(t); }
 
@@ -411,6 +413,12 @@ protected:
 
        //! Returns the cached times values for all the children (linked Value Nodes)
        virtual void get_times_vfunc(Node::time_set &set) const;
+
+       //! Pure Virtual member to get the children vocabulary
+       virtual Vocab get_children_vocab_vfunc()const=0;
+
+       //! Virtual memebr to set the children vocabulary to a given value
+       virtual void set_children_vocab(Vocab& rvocab);
 }; // END of class LinkableValueNode
 
 /*!    \class ValueNodeList