Method onEffectCreated

Engine/ReadNode.cpp:1142–1188

}

void
ReadNode::onEffectCreated(bool mayCreateFileDialog,
                          const CreateNodeArgs& args)
{
    //If we already loaded the Reader, do not do anything
    NodePtr p = getEmbeddedReader();
    if (p) {
        // Ensure the plug-in ID knob has the same value as the created reader:
        // The reader might have been created in onKnobsAboutToBeLoaded() however the knobs
        // get loaded afterwards and the plug-in ID could not reflect the underlying plugin
        KnobStringPtr pluginIDKnob = _imp->pluginIDStringKnob.lock();
        if (pluginIDKnob) {
            pluginIDKnob->setValue(p->getPluginID());
        }
        return;
    }

    _imp->wasCreatedAsHiddenNode = args.getProperty<bool>(kCreateNodeArgsPropNoNodeGUI);

    bool throwErrors = false;
    std::string pattern;

    if (mayCreateFileDialog) {
        if ( !getApp()->isBackground() ) {
            pattern = getApp()->openImageFileDialog();

            // File dialog was closed, ignore
            if ( pattern.empty() ) {
                throw std::runtime_error("");
            }
        }

        //The user selected a file, if it fails to read do not create the node
        throwErrors = true;
    } else {
        std::vector<std::string> defaultParamValues = args.getPropertyN<std::string>(kCreateNodeArgsPropNodeInitialParamValues);
        std::vector<std::string>::iterator foundFileName  = std::find(defaultParamValues.begin(), defaultParamValues.end(), std::string(kOfxImageEffectFileParamName));
        if (foundFileName != defaultParamValues.end()) {
            std::string propName(kCreateNodeArgsPropParamValue);
            propName += "_";
            propName += kOfxImageEffectFileParamName;
            pattern = args.getProperty<std::string>(propName);
        }
    }
    _imp->createReadNode( throwErrors, pattern, NodeSerializationPtr() );
    _imp->refreshPluginSelectorKnob();
}

void
ReadNode::onKnobsAboutToBeLoaded(const NodeSerializationPtr& serialization)