Implement dynamic assignment of component classes

pcbnew/component_classes/component_class_cache_proxy.cpp

@@ -0,0 +1,48 @@
+/*
+* This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include <component_classes/component_class_cache_proxy.h>
+
+#include <board.h>
+#include <footprint.h>
+
+const COMPONENT_CLASS* COMPONENT_CLASS_CACHE_PROXY::GetComponentClass() const
+{
+    COMPONENT_CLASS_MANAGER& mgr = m_footprint->GetBoard()->GetComponentClassManager();
+
+    if( mgr.GetTicker() > m_lastTickerValue )
+    {
+        RecomputeComponentClass( &mgr );
+    }
+
+    return m_finalComponentClass;
+}
+
+
+void COMPONENT_CLASS_CACHE_PROXY::RecomputeComponentClass( COMPONENT_CLASS_MANAGER* manager ) const
+{
+    if( !manager )
+        manager = &m_footprint->GetBoard()->GetComponentClassManager();
+
+    m_dynamicComponentClass = manager->GetDynamicComponentClassesForFootprint( m_footprint );
+    m_finalComponentClass =
+            manager->GetCombinedComponentClass( m_staticComponentClass, m_dynamicComponentClass );
+    m_lastTickerValue = manager->GetTicker();
+}