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#!/usr/bin/env python
"""***************************************************************************
**
** Copyright (C) 2005-2005 Trolltech AS. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
***************************************************************************"""
"""
delegate.cpp
A delegate that allows the user to change integer values from the model
using a spin box widget.
"""
import sys
from PyQt4 import QtCore, QtGui
class SpinBoxDelegate(QtGui.QItemDelegate):
def __init__(self, parent = None):
QtGui.QItemDelegate.__init__(self, parent)
def createEditor(self, parent, option, index):
editor = QtGui.QSpinBox(parent)
editor.setMinimum(0)
editor.setMaximum(100)
editor.installEventFilter(self)
return editor
def setEditorData(self, spinBox, index):
value, ok = index.model().data(index, QtCore.Qt.DisplayRole).toInt()
spinBox.setValue(value)
def setModelData(self, spinBox, model, index):
spinBox.interpretText()
value = spinBox.value()
model.setData(index, QtCore.QVariant(value))
def updateEditorGeometry(self, editor, option, index):
editor.setGeometry(option.rect)
if __name__ == "__main__":
app = QtGui.QApplication(sys.argv)
model = QtGui.QStandardItemModel(4, 2)
tableView = QtGui.QTableView()
tableView.setModel(model)
delegate = SpinBoxDelegate()
tableView.setItemDelegate(delegate)
for row in range(4):
for column in range(2):
index = model.index(row, column, QtCore.QModelIndex())
model.setData(index, QtCore.QVariant((row+1) * (column+1)))
tableView.setWindowTitle("Spin Box Delegate")
tableView.show()
sys.exit(app.exec_())
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