C++ (Cpp) AbstractInventoryItem::GetParent示例

示例#1

文件： InventoryItemModel.cpp 项目： A-K/naali

QModelIndex InventoryItemModel::parent(const QModelIndex &index) const
{
    if (!index.isValid())
        return QModelIndex();

    AbstractInventoryItem *childItem = GetItem(index);
    assert(childItem);
    InventoryFolder *parentItem = static_cast<InventoryFolder *>(childItem->GetParent());
    if (parentItem == static_cast<InventoryFolder *>(dataModel_->GetRoot()))
        return QModelIndex();

    return createIndex(parentItem->Row(), 0, reinterpret_cast<void *>(static_cast<AbstractInventoryItem*>(parentItem)));

/*
    if (!index.isValid())
        return QModelIndex();

    TreeItem *childItem = getItem(index);
    TreeItem *parentItem = childItem->parent();

    if (parentItem == rootItem)
        return QModelIndex();

    return createIndex(parentItem->childNumber(), 0, parentItem);
*/
}

示例#2

文件： InventoryTreeView.cpp 项目： Belsepubi/naali

void InventoryTreeView::dragMoveEvent(QDragMoveEvent *event)
{
    if (event->mimeData()->hasFormat("application/vnd.inventory.item"))
    {
        if (event->source() == this)
        {
            InventoryItemModel *itemModel = checked_static_cast<InventoryItemModel *>(model());
            assert(itemModel);

            AbstractInventoryItem *draggedItem = itemModel->GetItem(selectionModel()->currentIndex());
            assert(draggedItem);
            QModelIndex destIndex = indexAt(event->pos());

            if (!destIndex.isValid())
            {
                event->ignore();
                return;
            }

            AbstractInventoryItem *destItem = 0;

            if (itemModel->GetItem(destIndex)->GetItemType() == AbstractInventoryItem::Type_Asset)
                destItem = itemModel->GetItem(destIndex)->GetParent();
            else
                destItem = itemModel->GetItem(destIndex);

            if (!destItem || destItem->IsLibraryItem() || (draggedItem->GetParent() == destItem))
            {
                event->ignore();
                return;
            }

            if (draggedItem ->IsLibraryItem())
                event->setDropAction(Qt::CopyAction);
            else
                event->setDropAction(Qt::MoveAction);

            event->accept();
        }
        else
            event->acceptProposedAction();
    }
    else if(event->mimeData()->hasUrls())
        event->accept();
    else
        event->ignore();
}