C++ (Cpp) ComponentPtr::AddChangedListener示例

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;
}

示例#2

显示文件

文件： ComponentCollection.cpp 项目： andyburke/Replicant

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;
}