def add_child(num_children, nesting_level):
result = []
if nesting_level == 0:
return result
for i in range(num_children):
child = QStandardItem("Child num {}, nesting Level {}".format(
i + 1, nesting_level))
if i == 0:
child.appendRow(add_child(num_children, nesting_level - 1))
result.append(child)
return result
def create_combo_box_items(self):
model = QStandardItemModel()
self.ui.combo_classes.setModel(model)
self.ui.combo_functions.setModel(model)
for k, v in self.data.items():
cls = QStandardItem(k)
model.appendRow(cls)
for value in v:
func = QStandardItem(value)
cls.appendRow(func)
def update_combo_box(index):
ind = model.index(index, 0, self.ui.combo_classes.rootModelIndex())
self.ui.combo_functions.setRootModelIndex(ind)
self.ui.combo_functions.show()
self.ui.combo_functions.setCurrentIndex(0)
self.ui.config_label.setText('')
self.ui.combo_classes.currentIndexChanged.connect(update_combo_box)
return result
if __name__ == '__main__':
app = QApplication(sys.argv)
model_size = 100000
list = []
source_model = QStandardItemModel()
horizontal_header_list = [
"First Column with spacing", "Second Column with spacing"
]
source_model.setHorizontalHeaderLabels(horizontal_header_list)
for i in range(model_size):
first_item = QStandardItem("FancyTextNumber {}".format(i))
if i == 0:
first_item.appendRow(add_child(2, 2))
second_item = QStandardItem("FancyRow2TextNumber {}".format(i))
if i % 2 == 0:
first_item.setBackground(Qt.red)
row = [first_item, second_item]
source_model.invisibleRootItem().appendRow(row)
list.append("FancyTextNumber {}".format(i))
# Needed by QMLModelViewClient
role_names = {
Qt.DisplayRole: QByteArray(b'_text'),
Qt.BackgroundRole: QByteArray(b'_color')
}
source_model.setItemRoleNames(role_names)
roles = [Qt.DisplayRole, Qt.BackgroundRole]
