Method dropEvent

Gui/TableModelView.cpp:1379–1455

}

void
TableView::dropEvent(QDropEvent* e)
{
    //  QTreeView::dropEvent(e);

    DropIndicatorPosition position = dropIndicatorPosition();

    switch (position) {
    case QAbstractItemView::OnItem:
    case QAbstractItemView::OnViewport:
    default:

        return;

    case QAbstractItemView::AboveItem:
    case QAbstractItemView::BelowItem:
        break;
    }
    TableItem* into = itemAt( e->pos() );

    if ( !into || _imp->draggedItems.empty() ) {
        return;
    }
    Q_EMIT aboutToDrop();
    int targetRow = into->row();

    //We only support full rows
    assert(selectionBehavior() == QAbstractItemView::SelectRows);

    ///Remove the items
    std::map<int, std::map<int, TableItem*> > rowMoved;
    for (std::list<TableItem*>::iterator it = _imp->draggedItems.begin(); it != _imp->draggedItems.end(); ++it) {
        rowMoved[(*it)->row()][(*it)->column()] = *it;
        TableItem* taken = _imp->model->takeItem( (*it)->row(), (*it)->column() );
        assert(taken == *it);
        Q_UNUSED(taken);
    }
    /// remove the rows in reverse order so that indexes are still valid
    for (std::map<int, std::map<int, TableItem*> >::reverse_iterator it = rowMoved.rbegin(); it != rowMoved.rend(); ++it) {
        _imp->model->removeRows(it->first);
        if (it->first <= targetRow) {
            --targetRow;
        }
    }
    _imp->draggedItems.clear();
    ///insert back at the correct position

    int nRows = _imp->model->rowCount();
    switch (position) {
    case QAbstractItemView::AboveItem: {
        _imp->model->insertRows( targetRow, rowMoved.size() );
        break;
    }
    case QAbstractItemView::BelowItem: {
        ++targetRow;
        if (targetRow > nRows) {
            targetRow = nRows;
        }