examples/quick/models/objectlistmodel/objectlistmodel.py

#!/usr/bin/env python


#############################################################################
##
## Copyright (C) 2013 Riverbank Computing Limited.
## Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
##
## This file is part of the examples of PyQt.
##
## $QT_BEGIN_LICENSE:BSD$
## You may use this file under the terms of the BSD license as follows:
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##     notice, this list of conditions and the following disclaimer in
##     the documentation and/or other materials provided with the
##     distribution.
##   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
##     of its contributors may be used to endorse or promote products derived
##     from this software without specific prior written permission.
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#############################################################################


from PyQt5.QtCore import pyqtProperty, pyqtSignal, QObject, QUrl
from PyQt5.QtGui import QGuiApplication
from PyQt5.QtQuick import QQuickView

import objectlistmodel_rc


class DataObject(QObject):

    nameChanged = pyqtSignal()

    @pyqtProperty(str, notify=nameChanged)
    def name(self):
        return self._name

    @name.setter
    def name(self, name):
        if self._name != name:
            self._name = name
            self.nameChanged.emit()

    colorChanged = pyqtSignal()

    @pyqtProperty(str, notify=colorChanged)
    def color(self):
        return self._color

    @color.setter
    def color(self, color):
        if self._color != color:
            self._color = color
            self.colorChanged.emit()

    def __init__(self, name='', color='', parent=None):
        super(DataObject, self).__init__(parent)

        self._name = name
        self._color = color


if __name__ == '__main__':
    import sys

    app = QGuiApplication(sys.argv)

    dataList = [DataObject("Item 1", 'red'),
                DataObject("Item 2", 'green'),
                DataObject("Item 3", 'blue'),
                DataObject("Item 4", 'yellow')]

    view = QQuickView()
    view.setResizeMode(QQuickView.SizeRootObjectToView)
    ctxt = view.rootContext()
    ctxt.setContextProperty('myModel', dataList)

    view.setSource(QUrl('qrc:view.qml'))
    view.show()

    sys.exit(app.exec_())