void GraphGadget::setRoot( Gaffer::NodePtr root, Gaffer::SetPtr filter )
{
if( root == m_root && filter == m_filter )
{
return;
}
bool rootChanged = false;
Gaffer::NodePtr previousRoot = m_root;
if( root != m_root )
{
rootChanged = true;
m_root = root;
m_rootChildAddedConnection = m_root->childAddedSignal().connect( boost::bind( &GraphGadget::rootChildAdded, this, ::_1, ::_2 ) );
m_rootChildRemovedConnection = m_root->childRemovedSignal().connect( boost::bind( &GraphGadget::rootChildRemoved, this, ::_1, ::_2 ) );
}
Gaffer::ScriptNodePtr scriptNode = runTimeCast<Gaffer::ScriptNode>( m_root );
if( !scriptNode )
{
scriptNode = m_root->scriptNode();
}
if( scriptNode != m_scriptNode )
{
m_scriptNode = scriptNode;
if( m_scriptNode )
{
m_selectionMemberAddedConnection = m_scriptNode->selection()->memberAddedSignal().connect(
boost::bind( &GraphGadget::selectionMemberAdded, this, ::_1, ::_2 )
);
m_selectionMemberRemovedConnection = m_scriptNode->selection()->memberRemovedSignal().connect(
boost::bind( &GraphGadget::selectionMemberRemoved, this, ::_1, ::_2 )
);
}
else
{
m_selectionMemberAddedConnection.disconnect();
m_selectionMemberAddedConnection.disconnect();
}
}
if( filter != m_filter )
{
setFilter( filter );
// setFilter() will call updateGraph() for us.
}
else
{
updateGraph();
}
if( rootChanged )
{
m_rootChangedSignal( this, previousRoot.get() );
}
}
StandardNodeGadget::StandardNodeGadget( Gaffer::NodePtr node )
: NodeGadget( node ),
m_nodeEnabled( true ),
m_labelsVisibleOnHover( true ),
m_dragDestination( nullptr ),
m_userColor( 0 ),
m_oval( false )
{
// build our ui structure
////////////////////////////////////////////////////////
float minWidth = 10.0f;
if( IECore::ConstFloatDataPtr d = Metadata::value<IECore::FloatData>( node.get(), g_minWidthKey ) )
{
minWidth = d->readable();
}
// four containers for nodules - one each for the top, bottom, left and right.
// these contain spacers at either end to prevent nodules being placed in
// the corners of the node gadget, and also to guarantee a minimim width for the
// vertical containers and a minimum height for the horizontal ones.
LinearContainerPtr topNoduleContainer = new LinearContainer( "topNoduleContainer", LinearContainer::X );
topNoduleContainer->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( 2, 1, 0 ) ) ) );
topNoduleContainer->addChild( new NoduleLayout( node, "top" ) );
topNoduleContainer->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( 2, 1, 0 ) ) ) );
LinearContainerPtr bottomNoduleContainer = new LinearContainer( "bottomNoduleContainer", LinearContainer::X );
bottomNoduleContainer->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( 2, 1, 0 ) ) ) );
bottomNoduleContainer->addChild( new NoduleLayout( node, "bottom" ) );
bottomNoduleContainer->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( 2, 1, 0 ) ) ) );
LinearContainerPtr leftNoduleContainer = new LinearContainer( "leftNoduleContainer", LinearContainer::Y, LinearContainer::Centre, 0.0f, LinearContainer::Decreasing );
leftNoduleContainer->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( 1, 0.2, 0 ) ) ) );
leftNoduleContainer->addChild( new NoduleLayout( node, "left" ) );
leftNoduleContainer->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( 1, 0.2, 0 ) ) ) );
LinearContainerPtr rightNoduleContainer = new LinearContainer( "rightNoduleContainer", LinearContainer::Y, LinearContainer::Centre, 0.0f, LinearContainer::Decreasing );
rightNoduleContainer->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( 1, 0.2, 0 ) ) ) );
rightNoduleContainer->addChild( new NoduleLayout( node, "right" ) );
rightNoduleContainer->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( 1, 0.2, 0 ) ) ) );
// column - this is our outermost structuring container
LinearContainerPtr column = new LinearContainer(
"column",
LinearContainer::Y,
LinearContainer::Centre,
0.0f,
LinearContainer::Decreasing
);
column->addChild( topNoduleContainer );
LinearContainerPtr row = new LinearContainer(
"row",
LinearContainer::X,
LinearContainer::Centre,
0.0f
);
column->addChild( row );
// central row - this holds our main contents, with the
// nodule containers surrounding it.
row->addChild( leftNoduleContainer );
LinearContainerPtr contentsColumn = new LinearContainer(
"contentsColumn",
LinearContainer::Y,
LinearContainer::Centre,
0.0f,
LinearContainer::Decreasing
);
row->addChild( contentsColumn );
LinearContainerPtr contentsRow = new LinearContainer(
"paddingRow",
LinearContainer::X,
LinearContainer::Centre,
0.5f
);
IndividualContainerPtr iconContainer = new IndividualContainer();
iconContainer->setName( "iconContainer" );
contentsRow->addChild( iconContainer );
IndividualContainerPtr contentsContainer = new IndividualContainer();
contentsContainer->setName( "contentsContainer" );
contentsRow->addChild( contentsContainer );
contentsColumn->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( minWidth, 0, 0 ) ) ) );
contentsColumn->addChild( contentsRow );
contentsColumn->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( minWidth, 0, 0 ) ) ) );
row->addChild( rightNoduleContainer );
column->addChild( bottomNoduleContainer );
addChild( column );
setContents( new NameGadget( node ) );
// connect to the signals we need in order to operate
////////////////////////////////////////////////////////
node->errorSignal().connect( boost::bind( &StandardNodeGadget::error, this, ::_1, ::_2, ::_3 ) );
node->plugDirtiedSignal().connect( boost::bind( &StandardNodeGadget::plugDirtied, this, ::_1 ) );
dragEnterSignal().connect( boost::bind( &StandardNodeGadget::dragEnter, this, ::_1, ::_2 ) );
dragMoveSignal().connect( boost::bind( &StandardNodeGadget::dragMove, this, ::_1, ::_2 ) );
dragLeaveSignal().connect( boost::bind( &StandardNodeGadget::dragLeave, this, ::_1, ::_2 ) );
dropSignal().connect( boost::bind( &StandardNodeGadget::drop, this, ::_1, ::_2 ) );
for( int e = FirstEdge; e <= LastEdge; e++ )
{
NoduleLayout *l = noduleLayout( (Edge)e );
l->enterSignal().connect( boost::bind( &StandardNodeGadget::enter, this, ::_1 ) );
l->leaveSignal().connect( boost::bind( &StandardNodeGadget::leave, this, ::_1 ) );
}
Metadata::nodeValueChangedSignal().connect( boost::bind( &StandardNodeGadget::nodeMetadataChanged, this, ::_1, ::_2, ::_3 ) );
// do our first update
////////////////////////////////////////////////////////
updateUserColor();
updatePadding();
updateNodeEnabled();
updateIcon();
updateShape();
}
NodeGadgetPtr NodeGadget::create( Gaffer::NodePtr node )
{
IECore::ConstStringDataPtr nodeGadgetType = Gaffer::Metadata::value<IECore::StringData>( node.get(), "nodeGadget:type" );
if( nodeGadgetType )
{
if( nodeGadgetType->readable() == "" )
{
return nullptr;
}
const TypeCreatorMap &m = typeCreators();
TypeCreatorMap::const_iterator it = m.find( nodeGadgetType->readable() );
if( it != m.end() )
{
return it->second( node );
}
else
{
IECore::msg( IECore::Msg::Warning, "NodeGadget::create", boost::format( "Nonexistent type \"%s\" requested for node \"%s\"" ) % nodeGadgetType->readable() % node->fullName() );
}
}
const NodeCreatorMap &cr = nodeCreators();
IECore::TypeId typeId = node->typeId();
while( typeId != IECore::InvalidTypeId )
{
const NodeCreatorMap::const_iterator it = cr.find( typeId );
if( it != cr.end() )
{
return it->second( node );
}
typeId = IECore::RunTimeTyped::baseTypeId( typeId );
}
return nullptr;
}
NodeGadget::NodeGadget( Gaffer::NodePtr node )
: m_node( node.get() )
{
}