public bool Activate(bool activateDependencies)
{
if (MissingDependencies.Count > 0)
{
return(false);
}
if (IsActive)
{
return(true);
}
//check whether all predececcors are active -> actual plugin depends on
if (activateDependencies)
{
//try to activate depend plugins
if (Predecessors.Count(elem => !((PluginNode)elem).Activate(true)) > 0)
{
return(false);
}
}
else
{
//just count inactive plugins
if (Predecessors.Count(elem => !((PluginNode)elem).IsActive) > 0)
{
return(false);
}
}
PluginInstance = Graph.PluginManager.CreatePluginInstance(Value);
if (PluginInstance == null)
{
return(false);
}
Graph.NotifyPlugins(PluginInstance, PluginNotification.Created);
PluginContext = Graph.PluginManager.CreatePluginContext(PluginInstance);
PluginInstance.ActivatePlugin(PluginContext);
IsActive = true;
Graph.NotifyPlugins(PluginInstance, PluginNotification.Activated);
return(true);
}