NodeGadget *GraphGadget::addNodeGadget( Gaffer::Node *node )
{
NodeGadgetPtr nodeGadget = NodeGadget::create( node );
if( !nodeGadget )
{
return NULL;
}
addChild( nodeGadget );
NodeGadgetEntry nodeGadgetEntry;
nodeGadgetEntry.inputChangedConnection = node->plugInputChangedSignal().connect( boost::bind( &GraphGadget::inputChanged, this, ::_1 ) );
nodeGadgetEntry.plugSetConnection = node->plugSetSignal().connect( boost::bind( &GraphGadget::plugSet, this, ::_1 ) );
nodeGadgetEntry.gadget = nodeGadget.get();
m_nodeGadgets[node] = nodeGadgetEntry;
// place it if it's not placed already.
if( !node->getChild<Gaffer::V2fPlug>( "__uiPosition" ) )
{
m_layout->positionNode( this, node );
}
updateNodeGadgetTransform( nodeGadget.get() );
return nodeGadget;
}
NodeGadget *GraphGadget::addNodeGadget( Gaffer::Node *node )
{
NodeGadgetPtr nodeGadget = NodeGadget::create( node );
if( !nodeGadget )
{
return NULL;
}
addChild( nodeGadget );
NodeGadgetEntry &nodeGadgetEntry = m_nodeGadgets[node];
nodeGadgetEntry.inputChangedConnection = node->plugInputChangedSignal().connect( boost::bind( &GraphGadget::inputChanged, this, ::_1 ) );
nodeGadgetEntry.plugSetConnection = node->plugSetSignal().connect( boost::bind( &GraphGadget::plugSet, this, ::_1 ) );
nodeGadgetEntry.gadget = nodeGadget.get();
// highlight to reflect selection status
if( m_scriptNode && m_scriptNode->selection()->contains( node ) )
{
nodeGadget->setHighlighted( true );
}
// place it if it's not placed already.
if( !node->getChild<Gaffer::V2fPlug>( g_positionPlugName ) )
{
setNodePosition( node, V2f( 0 ) );
}
updateNodeGadgetTransform( nodeGadget.get() );
return nodeGadget.get();
}
bool GraphGadget::dragEnd( GadgetPtr gadget, const DragDropEvent &event )
{
DragMode dragMode = m_dragMode;
m_dragMode = None;
Pointer::set( 0 );
if( !m_scriptNode )
{
return false;
}
V3f i;
if( !event.line.intersect( Plane3f( V3f( 0, 0, 1 ), 0 ), i ) )
{
return false;
}
if( dragMode == Moving )
{
if ( m_dragReconnectCandidate )
{
if ( m_dragReconnectDstNodule || m_dragReconnectSrcNodule )
{
Gaffer::Plug *srcPlug = m_dragReconnectCandidate->srcNodule()->plug();
Gaffer::Plug *dstPlug = m_dragReconnectCandidate->dstNodule()->plug();
Gaffer::UndoContext undoContext( m_scriptNode );
if ( m_dragReconnectDstNodule )
{
m_dragReconnectDstNodule->plug()->setInput( srcPlug );
dstPlug->setInput( 0 );
}
if ( m_dragReconnectSrcNodule )
{
dstPlug->setInput( m_dragReconnectSrcNodule->plug() );
}
}
}
m_dragReconnectCandidate = 0;
renderRequestSignal()( this );
}
else if( dragMode == Selecting )
{
Box2f selectionBound;
selectionBound.extendBy( m_dragStartPosition );
selectionBound.extendBy( m_lastDragPosition );
for( ChildContainer::const_iterator it=children().begin(); it!=children().end(); it++ )
{
NodeGadgetPtr nodeGadget = runTimeCast<NodeGadget>( *it );
if( nodeGadget )
{
Box3f nodeBound3 = nodeGadget->transformedBound();
Box2f nodeBound2( V2f( nodeBound3.min.x, nodeBound3.min.y ), V2f( nodeBound3.max.x, nodeBound3.max.y ) );
if( boxContains( selectionBound, nodeBound2 ) )
{
m_scriptNode->selection()->add( nodeGadget->node() );
}
}
}
renderRequestSignal()( this );
}
return true;
}
