PyQT5 - Button to add row to a QTableView

mootytootyfrooty

Hello, for some reason this doesn't work for me in my app:

# within the app's class
def __init__(self):
    super(myApp, self).init()
    self.ui = Ui_MainWindow() # loaded with uic
    self.ui.setupUi(self)

    self.model = QStandardItemModel()
    self.table = QTableView()
    self.table.setModel(self.model)
    self.ui.pageLayout.addWidget(self.table)

    self.addRowBtn = QtWidget.QPushButton()
    self.addRowBtn.clicked.connect(self.addRowBtn_clicked)
    self.ui.pageLayout.addWidget(self.addRowBtn)


def addRow(self, table, model):
    indices = table.selectionModel().selectedRows()
    
    # in case none selected or no table to select
    if len(indices) == 0 :
        model.insertRow(0)
    else:
         for index in sorted(indices):
             model.insertRow(index)


@QtCore.pyqtSlot()
def addRowBtn_clicked(self):
   self.addRow(self.table,self.model)

I made a button for the addRow function and connected it through a pyqtslot but nothing happens when I click it. No errors either. When the program starts the table is completely blank, how do I add the first blank cell to the tableview then keep adding? I have a near identical function for adding columns, too. Very simple!

Thank you.

SGaist

Hi,

Can you show how you setup your signals and slots ?

mootytootyfrooty

@SGaist Sure, sorry, I assumed the problem was with the function itself, updated the original with more detail.

mrjj

@mootytootyfrooty said in PyQT5 - Button to add row to a QTableView:

insertRow

Hi
What model do you use for the view ?

mootytootyfrooty

@mrjj QStandardItemModel

mrjj

Hi
Maybe its due to python syntax but i dont see you set the items text anywhere ?
bool QStandardItemModel::insertRow(int row, const QModelIndex & parent = QModelIndex())
only inserts an empty row (of items)
The other insertRow takes a list, like

QStandardItemModel m(3,3);
QList<QStandardItem*> newRow;
for (int i=0;i<model.colCount();i++)
{
    QStandardItem* itm = new QStandardItem(QString("data for col %1").arg(i));
    newRow.append(itm);
}
model.append(newRow);

Where you new the items yourself and hence can give them text.

When you use
bool insertRow ( int row, const QModelIndex & parent = QModelIndex() )
you need to acces the items and set the text after.