QString viewToString(ViewIdx view) const
{
EffectInstancePtr e = effect.lock();
if (!e) {
return QString::fromUtf8(kPyParamViewIdxMain);
}
return QString::fromUtf8(e->getApp()->getProject()->getViewName(view).c_str());
}
std::string
PasteKnobClipBoardUndoCommand::makeLinkExpression(const std::vector<std::string>& projectViewNames,
const KnobIPtr& targetKnob,
bool multCurve,
const KnobIPtr& fromKnob,
DimSpec fromDimension,
ViewSetSpec fromView,
DimSpec targetDimension,
ViewSetSpec targetView)
{
EffectInstancePtr fromEffect = toEffectInstance( fromKnob->getHolder() );
EffectInstancePtr toEffect = toEffectInstance( targetKnob->getHolder() );
assert(fromEffect && toEffect);
if (!fromEffect || !toEffect) {
return std::string();
}
std::stringstream ss;
if (fromEffect == toEffect) {
// Same node, use thisNode
ss << "thisNode.";
} else {
// If the container of the effect is a group, prepend thisGroup, otherwise use
// the canonical app prefix
NodeGroupPtr isEffectContainerGroup;
{
NodeCollectionPtr effectContainer = fromEffect->getNode()->getGroup();
isEffectContainerGroup = toNodeGroup(effectContainer);
}
if (isEffectContainerGroup) {
ss << "thisGroup.";
} else {
ss << fromEffect->getApp()->getAppIDString() << ".";
}
ss << fromEffect->getNode()->getScriptName_mt_safe() << ".";
}
// Call getValue on the fromKnob
ss << fromKnob->getName();
ss << ".getValue(";
if (fromKnob->getNDimensions() > 1) {
if (fromDimension.isAll()) {
ss << "dimension";
} else {
ss << fromDimension;
}
}
std::list<ViewIdx> sourceViews = fromKnob->getViewsList();
if (sourceViews.size() > 1) {
ss << ", ";
if (fromView.isAll()) {
ss << "view";
} else {
if (fromView >= 0 && fromView < (int)projectViewNames.size()) {
ss << projectViewNames[fromView];
} else {
ss << "Main";
}
}
}
ss << ")";
// Also check if we need to multiply by the target knob's curve
if (multCurve) {
ss << " * curve(frame, ";
if (targetDimension.isAll()) {
ss << "dimension";
} else {
ss << targetDimension;
}
std::list<ViewIdx> targetKnobViews = targetKnob->getViewsList();
if (targetKnobViews.size() > 1) {
ss << ", ";
if (targetView.isAll()) {
ss << "view";
} else {
if (targetView >= 0 && targetView < (int)projectViewNames.size()) {
ss << projectViewNames[targetView];
} else {
ss << "Main";
}
}
}
ss << ")";
}
return ss.str();
} // makeLinkExpression
