Choose a file read it and put it into variable.

serj90

Hello to everybody.
What I'm trying to do is to open a window with push button choose a file that contains 2d array and then read in to a variable [][].I found out how to do it separately, but all together doesn't work.
If you could give me an advice or example, I would be very thankful.
That's how I read the file:
@void MainWindow::on_pushButton_clicked()
{
QString fileName = QFileDialog::getOpenFileName(this,tr("Introdu fisierul cu datele Companiilor "));
if(fileName.isEmpty()){QMessageBox::warning(this, tr("Introducerea fisierului"),
tr("Nu ati introdus nici un fisier "));
return; }

QFile file&#40;fileName&#41;;
if(!file.open(QFile::ReadOnly |QFile::Text)){
    QMessageBox::warning(this, tr("Atentie!!!"),
                         tr("Nu se deschide fisierul %1:\n%2.")
                         .arg(fileName)
                         .arg(file.errorString()));
    return;
}

QTextStream in(&file);

if(in.atEnd()){QMessageBox::warning(this, tr("Atentie!!!"),
                                    tr("Fisierul dat:\n %1\n  este NULL.")
                                    .arg(fileName));}

for(int i=0;i<L;i++) { for(int j=0;j<C;j++) {  in>>matrice[i][j]; } }

QMessageBox::information(this,"Information","Successful Load of data");






file.close();

        }@

Here I'm trying to count columns and rows :
@

typedef vector<double> ROW;

bool parse_header_row(const string & line, vector<string> &labels)
{ stringstream ss(line);

while(! ss.eof())
{ string lbl;

    if (!getline(ss, lbl, ' '))
        return false;  // some error

    labels.push_back(lbl);

}

return true;

}

bool parse_data_row(const string & line, vector<ROW> & vdata)
{ stringstream iss(line);
string cell;
int val;
ROW row;

while (!iss.eof())
{   // good status, get one cell
    if (!getline(iss, cell, ' '))
        return false;  // some error

    stringstream convertor(cell);

    convertor >> val;  // Input double from cell

    row.push_back (val); // Add value to row

}


vdata.push_back (row);  // Add row to vector of rows
C=row.size();
L++;

return true;  // end of line

}

int main(int argc, char *argv[])
{
QApplication a(argc, argv);
MainWindow w;
w.show();

//vector<string> labels;
vector<ROW>     vdata;
string line;

fstream myfile1;
myfile1.open (fileName);

while (getline(myfile1, line))
    { if (!parse_data_row(line, vdata))
        { // handle the error
            return 0;

        }
    }


myfile1.close();



return a.exec&#40;&#41;;

}@

array ex:
0 0 0 0 1 0 0 1
0 0 1 0 1 0 0 1
0 1 0 0 1 0 0 1
0 1 1 0 1 0 0 1
1 1 0 0 1 0 0 1
1 1 1 0 1 0 0 1
0 0 0 0 0 0 1 0
0 0 1 0 0 0 1 0
1 1 0 0 0 0 1 0
1 1 1 0 0 0 1 0
1 1 1 0 0 0 1 1
1 1 1 1 1 1 1 0
0 0 1 0 0 0 1 1
0 0 0 0 0 0 1 1
0 1 0 0 0 0 1 0
0 1 1 0 0 0 1 0
0 1 0 0 0 0 1 1
0 1 1 0 0 0 1 1
1 1 0 0 0 0 1 1
0 0 0 1 1 1 1 0
0 1 1 1 1 1 1 0