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############################################################################
##
## Copyright (C) 2016 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the examples of PySide2.
##
## $QT_BEGIN_LICENSE:BSD$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see https://www.qt.io/terms-conditions. For further
## information use the contact form at https://www.qt.io/contact-us.
##
## BSD License Usage
## Alternatively, 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 The Qt Company Ltd 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 PySide2.QtGui import *
from PySide2.QtSql import *
def initializeModel(model):
//! [0]
model.setTable("employee")
//! [0]
model.setEditStrategy(QSqlTableModel.OnManualSubmit)
//! [1]
model.setRelation(2, QSqlRelation("city", "id", "name"))
//! [1] //! [2]
model.setRelation(3, QSqlRelation("country", "id", "name"))
//! [2]
//! [3]
model.setHeaderData(0, Qt.Horizontal, QObject::tr("ID"))
model.setHeaderData(1, Qt.Horizontal, QObject::tr("Name"))
model.setHeaderData(2, Qt.Horizontal, QObject::tr("City"))
model.setHeaderData(3, Qt.Horizontal, QObject::tr("Country"))
//! [3]
model.select()
def createView(title, model):
//! [4]
view = QTableView()
view.setModel(model)
view.setItemDelegate(QSqlRelationalDelegate(view))
//! [4]
view.setWindowTitle(title)
return view
def createRelationalTables():
query = QSqlQuery()
query.exec_("create table employee(id int primary key, name varchar(20), city int, country int)")
query.exec_("insert into employee values(1, 'Espen', 5000, 47)")
query.exec_("insert into employee values(2, 'Harald', 80000, 49)")
query.exec_("insert into employee values(3, 'Sam', 100, 1)")
query.exec_("create table city(id int, name varchar(20))")
query.exec_("insert into city values(100, 'San Jose')")
query.exec_("insert into city values(5000, 'Oslo')")
query.exec_("insert into city values(80000, 'Munich')")
query.exec_("create table country(id int, name varchar(20))")
query.exec_("insert into country values(1, 'USA')")
query.exec_("insert into country values(47, 'Norway')")
query.exec_("insert into country values(49, 'Germany')")
def main():
app = QApplication([])
if !createConnection():
return 1
createRelationalTables()
model = QSqlRelationalTableModel()
initializeModel(model)
view = createView(QObject.tr("Relational Table Model"), model)
view.show()
return app.exec_()
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