Method TreeViewSelectionChanged

src/document/UBDocumentController.cpp:2100–2147

}

void UBDocumentController::TreeViewSelectionChanged(const QModelIndex &current, const QModelIndex &previous)
{
    UBDocumentTreeModel *docModel = UBPersistenceManager::persistenceManager()->mDocumentTreeStructureModel;

    QModelIndex current_index = mapIndexToSource(current);

    //N/C - NNE  - 20140414
    //if the selection contains more than one object, don't show the thumbnail.
    //We have just to pass a null proxy to disable the display of thumbnail
    std::shared_ptr<UBDocumentProxy> currentDocumentProxy = 0;

    if(current_index.isValid() && mDocumentUI->documentTreeView->selectionModel()->selectedRows(0).size() == 1)
    {
        if (docModel->isDocument(current_index))
        {
            currentDocumentProxy = docModel->proxyData(current_index);
            const auto converter{UBDocumentVersionConverter{currentDocumentProxy}};
            const auto result = converter.convert();

            if (result == UBDocumentVersionConverter::DENIED || result == UBDocumentVersionConverter::FAILED)
            {
                // deferred selection of previous entry to avoid double triggering of selection change
                QTimer::singleShot(0, [this, previous](){
                    mDocumentUI->documentTreeView->selectionModel()->select(previous, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
                });
                return;
            }

            if (isBrokenDocument(currentDocumentProxy))
            {
                showBrokenDocumentWarning();
            }
        }

        setDocument(currentDocumentProxy, false);
    }
    //N/C - NNE  - 20140414 : END


    if (mCurrentIndexMoved) {
        if (docModel->isDocument(current_index)) {
            docModel->setCurrentDocument(currentDocumentProxy);
        } else if (docModel->isCatalog(current_index)) {
            docModel->setCurrentDocument(0);
        }
        mCurrentIndexMoved = false;
    }
}

//N/C - NNE - 20140402 : workaround for using a proxy model
QModelIndex UBDocumentController::mapIndexToSource(const QModelIndex &index)