Method refreshPluginSelectorKnob

Engine/ReadNode.cpp:815–863

}

void
ReadNodePrivate::refreshPluginSelectorKnob()
{
    boost::shared_ptr<KnobFile> fileKnob = inputFileKnob.lock();

    assert(fileKnob);
    std::string filePattern = fileKnob->getValue();
    std::vector<ChoiceOption> entries, help;
    entries.push_back(ChoiceOption(kPluginSelectorParamEntryDefault, "", ReadNode::tr("Use the default plug-in chosen from the Preferences to read this file format").toStdString()));

    QString qpattern = QString::fromUtf8( filePattern.c_str() );
    std::string ext = QtCompat::removeFileExtension(qpattern).toLower().toStdString();
    std::string pluginID;
    if ( !ext.empty() ) {
        pluginID = appPTR->getReaderPluginIDForFileType(ext);
        IOPluginSetForFormat readersForFormat;
        appPTR->getReadersForFormat(ext, &readersForFormat);

        // Reverse it so that we sort them by decreasing score order
        for (IOPluginSetForFormat::reverse_iterator it = readersForFormat.rbegin(); it != readersForFormat.rend(); ++it) {
            Plugin* plugin = appPTR->getPluginBinary(QString::fromUtf8( it->pluginID.c_str() ), -1, -1, false);
            std::stringstream ss;
            ss << "Use " << plugin->getPluginLabel().toStdString() << " version ";
            ss << plugin->getMajorVersion() << "." << plugin->getMinorVersion();
            ss << " to read this file format";
            entries.push_back( ChoiceOption(plugin->getPluginID().toStdString(), "", ss.str()));
        }
    }

    boost::shared_ptr<KnobChoice> pluginChoice = pluginSelectorKnob.lock();

    pluginChoice->populateChoices(entries);
    pluginChoice->blockValueChanges();
    pluginChoice->resetToDefaultValue(0);
    pluginChoice->unblockValueChanges();
    if (entries.size() <= 2) {
        pluginChoice->setSecret(true);
    } else {
        pluginChoice->setSecret(false);
    }

    boost::shared_ptr<KnobString> pluginIDKnob = pluginIDStringKnob.lock();
    pluginIDKnob->blockValueChanges();
    pluginIDKnob->setValue(pluginID);
    pluginIDKnob->unblockValueChanges();

    refreshFileInfoVisibility(pluginID);

} // ReadNodePrivate::refreshPluginSelectorKnob

bool
ReadNode::isReader() const