+boost::shared_ptr<AutomationControl>
+Automatable::automation_control (const Evoral::Parameter& id, bool create)
+{
+ return boost::dynamic_pointer_cast<AutomationControl>(Evoral::ControlSet::control(id, create));
+}
+
+boost::shared_ptr<const AutomationControl>
+Automatable::automation_control (const Evoral::Parameter& id) const
+{
+ return boost::dynamic_pointer_cast<const AutomationControl>(Evoral::ControlSet::control(id));
+}
+
+void
+Automatable::clear_controls ()
+{
+ _control_connections.drop_connections ();
+ ControlSet::clear_controls ();
+}
+
+string
+Automatable::value_as_string (boost::shared_ptr<AutomationControl> ac) const
+{
+ std::stringstream s;
+
+ /* this is a the default fallback for this virtual method. Derived Automatables
+ are free to override this to display the values of their parameters/controls
+ in different ways.
+ */
+
+ // Hack to display CC as integer value, rather than double
+ if (ac->parameter().type() == MidiCCAutomation) {
+ s << lrint (ac->get_value());
+ } else {
+ s << std::fixed << std::setprecision(3) << ac->get_value();
+ }
+
+ return s.str ();
+}