Method dragMoveEvent

src/document/UBDocumentController.cpp:1579–1626

}

void UBDocumentTreeView::dragMoveEvent(QDragMoveEvent *event)
{
    QModelIndex index;
    if (selectedIndexes().count() > 0)
    {
        index = selectedIndexes().first();
    }

#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
    QPoint eventPos = event->position().toPoint();
#else
    QPoint eventPos = event->pos();
#endif
    bool acceptIt = isAcceptable(index, indexAt(eventPos));

    if (event->mimeData()->hasFormat(UBApplication::mimeTypeUniboardPage)) {
        UBSortFilterProxyModel *proxy = dynamic_cast<UBSortFilterProxyModel*>(model());

        UBDocumentTreeModel *docModel = 0;

        if(proxy){
            docModel = dynamic_cast<UBDocumentTreeModel*>(proxy->sourceModel());
        }else{
            docModel =  dynamic_cast<UBDocumentTreeModel*>(model());
        }

        QModelIndex targetIndex = mapIndexToSource(indexAt(eventPos));

        if (!docModel || !docModel->isDocument(targetIndex) || docModel->inTrash(targetIndex)) {
            event->ignore();
            event->setDropAction(Qt::IgnoreAction);

            if (docModel)
            {
                docModel->setHighLighted(QModelIndex());
            }

            acceptIt = false;
        } else {
            docModel->setHighLighted(targetIndex);
            acceptIt = true;
        }
        updateIndexEnvirons(indexAt(eventPos));
    }
    QTreeView::dragMoveEvent(event);

    event->setAccepted(acceptIt);
}

void UBDocumentTreeView::dropEvent(QDropEvent *event)
{