#############################################################################
##
## Copyright (C) 2010 Hans-Peter Jansen <[email protected]>.
## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
## All rights reserved.
##
## 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 Nokia Corporation 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 PyQt4 import QtGui
class Window(QtGui.QWidget):
def __init__(self, parent=None):
super(Window, self).__init__(parent)
# Set up the model.
self.setupModel()
# Set up the widgets.
nameLabel = QtGui.QLabel("Na&me:")
nameEdit = QtGui.QLineEdit()
addressLabel = QtGui.QLabel("&Address:")
addressEdit = QtGui.QTextEdit()
ageLabel = QtGui.QLabel("A&ge (in years):")
ageSpinBox = QtGui.QSpinBox()
self.nextButton = QtGui.QPushButton("&Next")
self.previousButton = QtGui.QPushButton("&Previous")
nameLabel.setBuddy(nameEdit)
addressLabel.setBuddy(addressEdit)
ageLabel.setBuddy(ageSpinBox)
# Set up the mapper.
self.mapper = QtGui.QDataWidgetMapper(self)
self.mapper.setModel(self.model)
self.mapper.addMapping(nameEdit, 0)
self.mapper.addMapping(addressEdit, 1)
self.mapper.addMapping(ageSpinBox, 2)
# Set up connections and layouts.
self.previousButton.clicked.connect(self.mapper.toPrevious)
self.nextButton.clicked.connect(self.mapper.toNext)
self.mapper.currentIndexChanged.connect(self.updateButtons)
layout = QtGui.QGridLayout()
layout.addWidget(nameLabel, 0, 0, 1, 1)
layout.addWidget(nameEdit, 0, 1, 1, 1)
layout.addWidget(self.previousButton, 0, 2, 1, 1)
layout.addWidget(addressLabel, 1, 0, 1, 1)
layout.addWidget(addressEdit, 1, 1, 2, 1)
layout.addWidget(self.nextButton, 1, 2, 1, 1)
layout.addWidget(ageLabel, 3, 0, 1, 1)
layout.addWidget(ageSpinBox, 3, 1, 1, 1)
self.setLayout(layout)
self.setWindowTitle("Simple Widget Mapper")
self.mapper.toFirst()
def setupModel(self):
self.model = QtGui.QStandardItemModel(5, 3, self)
names = ("Alice", "Bob", "Carol", "Donald", "Emma")
addresses = ("<qt>123 Main Street<br/>Market Town</qt>",
"<qt>PO Box 32<br/>Mail Handling Service"
"<br/>Service City</qt>",
"<qt>The Lighthouse<br/>Remote Island</qt>",
"<qt>47338 Park Avenue<br/>Big City</qt>",
"<qt>Research Station<br/>Base Camp<br/>Big Mountain</qt>")
ages = ("20", "31", "32", "19", "26")
for row, name in enumerate(names):
item = QtGui.QStandardItem(name)
self.model.setItem(row, 0, item)
item = QtGui.QStandardItem(addresses[row])
self.model.setItem(row, 1, item)
item = QtGui.QStandardItem(ages[row])
self.model.setItem(row, 2, item)
def updateButtons(self, row):
self.previousButton.setEnabled(row > 0)
self.nextButton.setEnabled(row < self.model.rowCount() - 1)
if __name__ == ‘__main__‘:
import sys
app = QtGui.QApplication(sys.argv)
window = Window()
window.show()
sys.exit(app.exec_())
如图: