Method refreshPreviewAfterSelectionChange

Gui/SequenceFileDialog.cpp:2972–3006

}

void
SequenceFileDialog::refreshPreviewAfterSelectionChange()
{
    if ( !_preview->viewerUI->isVisible() ) {
        return;
    }

    std::string pattern = selectedFiles();
    QString qpattern = QString::fromUtf8( pattern.c_str() );
    std::string ext = QtCompat::removeFileExtension(qpattern).toLower().toStdString();
    assert(_preview->viewerNode);

    NodePtr currentInput = _preview->viewerNode->getNode()->getInput(0);
    if (currentInput) {
        _preview->viewerNode->getNode()->disconnectInput(0);
    }

    _gui->getApp()->getProject()->setAutoSetProjectFormatEnabled(false);

    NodePtr reader = findOrCreatePreviewReader(ext);
    if (reader) {
        KnobIPtr foundFileKnob = reader->getKnobByName(kOfxImageEffectFileParamName);
        KnobFile* fileKnob = dynamic_cast<KnobFile*>( foundFileKnob.get() );
        if (fileKnob) {
            fileKnob->setValue(pattern);
        }
        _preview->viewerNode->getNode()->connectInput(reader, 0);

        double firstFrame, lastFrame;
        reader->getEffectInstance()->getFrameRange_public(reader->getHashValue(), &firstFrame, &lastFrame);
        _preview->viewerUI->setTimelineBounds(firstFrame, lastFrame);
        _preview->viewerUI->centerOn(firstFrame, lastFrame);
    }
    _preview->viewerUI->getInternalNode()->renderCurrentFrame(true);
}

///Reset everything as it was prior to the dialog being opened, also avoid the nodes being deleted
void