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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
from __future__ import annotations
import os
from dataclasses import dataclass
from pathlib import Path
import sys
from PySide6.QtCore import QAbstractListModel, Qt, QUrl, QByteArray
from PySide6.QtGui import QGuiApplication
from PySide6.QtQuick import QQuickView
from PySide6.QtQml import QmlElement, QmlSingleton
QML_IMPORT_NAME = "PersonModel"
QML_IMPORT_MAJOR_VERSION = 1
@dataclass
class Person:
name: str
myrole: str
@QmlElement
@QmlSingleton
class PersonModel (QAbstractListModel):
MyRole = Qt.ItemDataRole.UserRole + 1
def __init__(self, data, parent=None):
super().__init__(parent)
self._data = data
def roleNames(self):
roles = {
PersonModel.MyRole: QByteArray(b'myrole'),
Qt.ItemDataRole.DisplayRole: QByteArray(b'display')
}
return roles
def rowCount(self, index):
return len(self._data)
def data(self, index, role):
d = self._data[index.row()]
if role == Qt.ItemDataRole.DisplayRole:
return d.name
if role == Qt.ItemDataRole.DecorationRole:
return Qt.black
if role == PersonModel.MyRole:
return d.myrole
return None
@staticmethod
def create(engine):
data = [Person('Qt', 'myrole'), Person('PySide', 'role2')]
return PersonModel(data)
if __name__ == '__main__':
app = QGuiApplication(sys.argv)
view = QQuickView()
view.setResizeMode(QQuickView.SizeRootObjectToView)
qml_file = os.fspath(Path(__file__).resolve().parent / 'view.qml')
view.setSource(QUrl.fromLocalFile(qml_file))
if view.status() == QQuickView.Status.Error:
sys.exit(-1)
view.show()
r = app.exec()
# Deleting the view before it goes out of scope is required to make sure all child QML instances
# are destroyed in the correct order.
del view
sys.exit(r)
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