StandardNodeGadget::StandardNodeGadget( Gaffer::NodePtr node, LinearContainer::Orientation orientation )
: NodeGadget( node ), m_nodeEnabled( true ), m_labelsVisibleOnHover( true ), m_dragDestinationProxy( 0 )
{
LinearContainer::Orientation oppositeOrientation = orientation == LinearContainer::X ? LinearContainer::Y : LinearContainer::X;
LinearContainerPtr mainContainer = new LinearContainer(
"mainContainer",
oppositeOrientation,
LinearContainer::Centre,
g_spacing,
orientation == LinearContainer::X ? LinearContainer::Increasing : LinearContainer::Decreasing
);
const float noduleSpacing = orientation == LinearContainer::X ? 2.0f : 0.2f;
LinearContainer::Direction noduleDirection = orientation == LinearContainer::X ? LinearContainer::Increasing : LinearContainer::Decreasing;
LinearContainerPtr inputNoduleContainer = new LinearContainer( "inputNoduleContainer", orientation, LinearContainer::Centre, noduleSpacing, noduleDirection );
LinearContainerPtr outputNoduleContainer = new LinearContainer( "outputNoduleContainer", orientation, LinearContainer::Centre, noduleSpacing, noduleDirection );
mainContainer->addChild( outputNoduleContainer );
IndividualContainerPtr contentsContainer = new IndividualContainer();
contentsContainer->setName( "contentsContainer" );
contentsContainer->setPadding( Box3f( V3f( -g_borderWidth ), V3f( g_borderWidth ) ) );
mainContainer->addChild( contentsContainer );
mainContainer->addChild( inputNoduleContainer );
setChild( mainContainer );
setContents( new NameGadget( node ) );
Gaffer::ScriptNodePtr script = node->scriptNode();
if( script )
{
script->selection()->memberAddedSignal().connect( boost::bind( &StandardNodeGadget::selectionChanged, this, ::_1, ::_2 ) );
script->selection()->memberRemovedSignal().connect( boost::bind( &StandardNodeGadget::selectionChanged, this, ::_1, ::_2 ) );
}
node->childAddedSignal().connect( boost::bind( &StandardNodeGadget::childAdded, this, ::_1, ::_2 ) );
node->childRemovedSignal().connect( boost::bind( &StandardNodeGadget::childRemoved, this, ::_1, ::_2 ) );
for( Gaffer::PlugIterator it( node ); it!=it.end(); it++ )
{
addNodule( *it );
}
if( DependencyNode *dependencyNode = IECore::runTimeCast<DependencyNode>( node ) )
{
const Gaffer::BoolPlug *enabledPlug = dependencyNode->enabledPlug();
if( enabledPlug )
{
m_nodeEnabled = enabledPlug->getValue();
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 ) );
inputNoduleContainer->enterSignal().connect( boost::bind( &StandardNodeGadget::enter, this, ::_1 ) );
inputNoduleContainer->leaveSignal().connect( boost::bind( &StandardNodeGadget::leave, this, ::_1 ) );
outputNoduleContainer->enterSignal().connect( boost::bind( &StandardNodeGadget::enter, this, ::_1 ) );
outputNoduleContainer->leaveSignal().connect( boost::bind( &StandardNodeGadget::leave, this, ::_1 ) );
}
StandardNodeGadget::StandardNodeGadget( Gaffer::NodePtr node )
: NodeGadget( node ),
m_nodeEnabled( true ),
m_labelsVisibleOnHover( true ),
m_dragDestinationProxy( 0 ),
m_userColor( 0 )
{
// build our ui structure
////////////////////////////////////////////////////////
float horizontalNoduleSpacing = 2.0f;
float verticalNoduleSpacing = 0.2f;
float minWidth = 10.0f;
if( IECore::ConstFloatDataPtr d = Metadata::nodeValue<IECore::FloatData>( node.get(), g_horizontalNoduleSpacingKey ) )
{
horizontalNoduleSpacing = d->readable();
}
if( IECore::ConstFloatDataPtr d = Metadata::nodeValue<IECore::FloatData>( node.get(), g_verticalNoduleSpacingKey ) )
{
verticalNoduleSpacing = d->readable();
}
if( IECore::ConstFloatDataPtr d = Metadata::nodeValue<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, LinearContainer::Centre, horizontalNoduleSpacing );
topNoduleContainer->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( 0, 1, 0 ) ) ) );
topNoduleContainer->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( 0, 1, 0 ) ) ) );
LinearContainerPtr bottomNoduleContainer = new LinearContainer( "bottomNoduleContainer", LinearContainer::X, LinearContainer::Centre, horizontalNoduleSpacing );
bottomNoduleContainer->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( 0, 1, 0 ) ) ) );
bottomNoduleContainer->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( 0, 1, 0 ) ) ) );
LinearContainerPtr leftNoduleContainer = new LinearContainer( "leftNoduleContainer", LinearContainer::Y, LinearContainer::Centre, verticalNoduleSpacing, LinearContainer::Decreasing );
leftNoduleContainer->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( 1, 0, 0 ) ) ) );
leftNoduleContainer->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( 1, 0, 0 ) ) ) );
LinearContainerPtr rightNoduleContainer = new LinearContainer( "rightNoduleContainer", LinearContainer::Y, LinearContainer::Centre, verticalNoduleSpacing, LinearContainer::Decreasing );
rightNoduleContainer->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( 1, 0, 0 ) ) ) );
rightNoduleContainer->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( 1, 0, 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 );
IndividualContainerPtr contentsContainer = new IndividualContainer();
contentsContainer->setName( "contentsContainer" );
contentsColumn->addChild( new SpacerGadget( Box3f( V3f( 0 ), V3f( minWidth, 0, 0 ) ) ) );
contentsColumn->addChild( contentsContainer );
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->childAddedSignal().connect( boost::bind( &StandardNodeGadget::childAdded, this, ::_1, ::_2 ) );
node->childRemovedSignal().connect( boost::bind( &StandardNodeGadget::childRemoved, this, ::_1, ::_2 ) );
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++ )
{
LinearContainer *c = noduleContainer( (Edge)e );
c->enterSignal().connect( boost::bind( &StandardNodeGadget::enter, this, ::_1 ) );
c->leaveSignal().connect( boost::bind( &StandardNodeGadget::leave, this, ::_1 ) );
}
Metadata::plugValueChangedSignal().connect( boost::bind( &StandardNodeGadget::plugMetadataChanged, this, ::_1, ::_2, ::_3, ::_4 ) );
Metadata::nodeValueChangedSignal().connect( boost::bind( &StandardNodeGadget::nodeMetadataChanged, this, ::_1, ::_2, ::_3 ) );
// do our first update
////////////////////////////////////////////////////////
updateNoduleLayout();
updateUserColor();
updatePadding();
updateNodeEnabled();
}