Russian Qt Forum

Kitap p1("Ivanov", "C_P_P", 1999, "EXMO", 16);
QLinkedList<Kitap> list1;

class Kitap
{
public:
    QString authorName;
	QString bookName;
	int year;
	QString publishingHouse;
	int requestCount;


	Kitap();
	Kitap(QString, QString, int, QString, int);
	~Kitap();
};

in >> list;

void artur :: openButton()
{
	QString fileName = QFileDialog::getOpenFileName(this,
		tr("Open list"), "",
		tr("Kitap (*.ktp);;All Files (*)"));

	if (fileName.isEmpty())
		return;
	else {

		QFile file(fileName);

		if (!file.open(QIODevice::ReadOnly)) {
			QMessageBox::information(this, tr("Unable to open file"),
				file.errorString());
			return;
		}

		QDataStream in(&file);
		in.setVersion(QDataStream::Qt_4_5);
		list.empty();   // очистка существующих контактов
		//list.clear();

		/*QLinkedList<Kitap>::iterator listIterator   =  list.begin();
		QLinkedList<Kitap>::iterator end            =  list.end();

		for( ; listIterator != end; listIterator++) 
		{
			Kitap currentData  = *listIterator;

			in >> currentData.authorName;

			in >> currentData.bookName;

			in >> currentData.year;

			in >> currentData.publishingHouse;

			in >>  currentData.requestCount;
		}*/

		in >> list;
		

		if (list.isEmpty()) {
			QMessageBox::information(this, tr("No elements in file"),
				tr("The file you are attempting to open contains no kitap."));
		} else {
			//very very strong
			QLinkedList<Kitap>::iterator listIterator   =  list.begin();
			QLinkedList<Kitap>::iterator end            =  list.end();

			int j = 0;

			for( ; listIterator != end; listIterator++) 
			{

				Kitap currentData  = *listIterator;

				QTableWidgetItem * newda1 = new QTableWidgetItem(currentData.authorName);
				ui.tableWidget->setItem(j,0,newda1);

				QTableWidgetItem * newda2 = new QTableWidgetItem(currentData.bookName);
				ui.tableWidget->setItem(j,1,newda2);

				QTableWidgetItem * newda3 = new QTableWidgetItem(currentData.year);
				newda3->setData(Qt::DisplayRole,currentData.year);
				ui.tableWidget->setItem(j,2,newda3);

				QTableWidgetItem * newda4 = new QTableWidgetItem(currentData.publishingHouse);
				ui.tableWidget->setItem(j,3,newda4);

				QTableWidgetItem * newda5 = new QTableWidgetItem(currentData.requestCount);
				newda5->setData(Qt::DisplayRole,currentData.requestCount);
				ui.tableWidget->setItem(j,4,newda5);

				j++;
			}
			
			// da da
		}
	}

	
}

QDataStream & operator<< ( QDataStream & out, const QLinkedList<T> & list )

QDataStream & operator>> ( QDataStream & in, QLinkedList<T> & list )