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#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2018 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:
##
## "Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions are
## met:
## * Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
## * Redistributions in binary form must reproduce the above copyright
## 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.
##
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
## $QT_END_LICENSE$
##
#############################################################################
from PyQt5.QtCore import QAbstractListModel, QModelIndex, Qt, QUrl, QVariant
from PyQt5.QtGui import QGuiApplication
from PyQt5.QtQuick import QQuickView
import abstractitemmodel_rc
class Animal(object):
def __init__(self, type, size):
self._type = type
self._size = size
def type(self):
return self._type
def size(self):
return self._size
class AnimalModel(QAbstractListModel):
TypeRole = Qt.UserRole + 1
SizeRole = Qt.UserRole + 2
_roles = {TypeRole: b"type", SizeRole: b"size"}
def __init__(self, parent=None):
super(AnimalModel, self).__init__(parent)
self._animals = []
def addAnimal(self, animal):
self.beginInsertRows(QModelIndex(), self.rowCount(), self.rowCount())
self._animals.append(animal)
self.endInsertRows()
def rowCount(self, parent=QModelIndex()):
return len(self._animals)
def data(self, index, role=Qt.DisplayRole):
try:
animal = self._animals[index.row()]
except IndexError:
return QVariant()
if role == self.TypeRole:
return animal.type()
if role == self.SizeRole:
return animal.size()
return QVariant()
def roleNames(self):
return self._roles
if __name__ == '__main__':
import os
import sys
# This is necessary to avoid a possible crash when running from another
# directory by ensuring the compiled version of the embedded QML file
# doesn't get mixed up with another of the same name.
os.chdir(os.path.dirname(os.path.abspath(__file__)))
app = QGuiApplication(sys.argv)
model = AnimalModel()
model.addAnimal(Animal("Wolf", "Medium"))
model.addAnimal(Animal("Polar bear", "Large"))
model.addAnimal(Animal("Quoll", "Small"))
view = QQuickView()
view.setResizeMode(QQuickView.SizeRootObjectToView)
ctxt = view.rootContext()
ctxt.setContextProperty('myModel', model)
view.setSource(QUrl('qrc:view.qml'))
view.show()
sys.exit(app.exec_())
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