Mastering GUI Programming with Python

Inserting custom rows in a table view

The last feature we want to implement is adding and deleting rows in our review table:

1. We'll start with some buttons:

        self.new_review = qtw.QPushButton(            'New Review', clicked=self.add_review)        self.delete_review = qtw.QPushButton(            'Delete Review', clicked=self.delete_review)        self.layout().addRow(self.new_review, self.delete_review)

2. The callback for deleting rows is straightforward enough:

    def delete_review(self):        for index in self.reviews.selectedIndexes() or []:            self.reviews.model().removeRow(index.row())        self.reviews.model().select()

Just as we did with MainView.coffee_list, we just iterate through the selected indexes and remove them by row number.

3. Adding new rows presents a problem: we can add ...