ComponentCollection::ComponentCollection( const ComponentPtr& component )
{
HELIUM_ASSERT( component->GetSlot() != Reflect::ReservedTypes::Invalid );
m_Components.insert( M_Component::value_type( component->GetSlot(), component ) );
component->AddChangedListener( ElementChangeSignature::Delegate::Create<ComponentCollection, void (ComponentCollection::*)( const Reflect::ElementChangeArgs& )> ( this, &ComponentCollection::ComponentChanged ) );
m_Modified = true;
}
bool ComponentCollection::SetComponent(const ComponentPtr& component, bool validate, tstring* error )
{
HELIUM_ASSERT( component->GetSlot() != Reflect::ReservedTypes::Invalid );
M_Component::const_iterator found = m_Components.find( component->GetSlot() );
if (found != m_Components.end() && found->second == component)
{
return true; // nothing to do, this is already in the collection
}
tstring errorMessage;
if ( validate && !ValidateComponent( component, errorMessage ) )
{
if ( error )
{
*error = tstring( TXT( "Component '" ) ) + component->GetClass()->m_ShortName + TXT( "' is not valid for collection '" ) + GetClass()->m_ShortName + TXT( "': " ) + errorMessage;
}
return false;
}
// Event args
ComponentCollectionChanged args ( this, component );
// Set the component and connect the collection
m_Components[ component->GetSlot() ] = component;
component->SetCollection( this );
// Start caring about change to the component
component->AddChangedListener( ElementChangeSignature::Delegate::Create<ComponentCollection, void (ComponentCollection::*)( const Reflect::ElementChangeArgs& )> ( this, &ComponentCollection::ComponentChanged ) );
// Raise event
m_Modified = true;
m_ComponentAdded.Raise( args );
return true;
}