source: trunk/examples/itemviews/simplewidgetmapper/window.cpp

Last change on this file was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.

File size: 4.8 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the examples of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:BSD$
10** You may use this file under the terms of the BSD license as follows:
11**
12** "Redistribution and use in source and binary forms, with or without
13** modification, are permitted provided that the following conditions are
14** met:
15** * Redistributions of source code must retain the above copyright
16** notice, this list of conditions and the following disclaimer.
17** * Redistributions in binary form must reproduce the above copyright
18** notice, this list of conditions and the following disclaimer in
19** the documentation and/or other materials provided with the
20** distribution.
21** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
22** the names of its contributors may be used to endorse or promote
23** products derived from this software without specific prior written
24** permission.
25**
26** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
37** $QT_END_LICENSE$
38**
39****************************************************************************/
40
41#include <QtGui>
42
43#include "window.h"
44
45//! [Set up widgets]
46Window::Window(QWidget *parent)
47 : QWidget(parent)
48{
49 setupModel();
50
51 nameLabel = new QLabel(tr("Na&me:"));
52 nameEdit = new QLineEdit();
53 addressLabel = new QLabel(tr("&Address:"));
54 addressEdit = new QTextEdit();
55 ageLabel = new QLabel(tr("A&ge (in years):"));
56 ageSpinBox = new QSpinBox();
57 nextButton = new QPushButton(tr("&Next"));
58 previousButton = new QPushButton(tr("&Previous"));
59
60 nameLabel->setBuddy(nameEdit);
61 addressLabel->setBuddy(addressEdit);
62 ageLabel->setBuddy(ageSpinBox);
63//! [Set up widgets]
64
65//! [Set up the mapper]
66 mapper = new QDataWidgetMapper(this);
67 mapper->setModel(model);
68 mapper->addMapping(nameEdit, 0);
69 mapper->addMapping(addressEdit, 1);
70 mapper->addMapping(ageSpinBox, 2);
71
72 connect(previousButton, SIGNAL(clicked()),
73 mapper, SLOT(toPrevious()));
74 connect(nextButton, SIGNAL(clicked()),
75 mapper, SLOT(toNext()));
76 connect(mapper, SIGNAL(currentIndexChanged(int)),
77 this, SLOT(updateButtons(int)));
78//! [Set up the mapper]
79
80//! [Set up the layout]
81 QGridLayout *layout = new QGridLayout();
82 layout->addWidget(nameLabel, 0, 0, 1, 1);
83 layout->addWidget(nameEdit, 0, 1, 1, 1);
84 layout->addWidget(previousButton, 0, 2, 1, 1);
85 layout->addWidget(addressLabel, 1, 0, 1, 1);
86 layout->addWidget(addressEdit, 1, 1, 2, 1);
87 layout->addWidget(nextButton, 1, 2, 1, 1);
88 layout->addWidget(ageLabel, 3, 0, 1, 1);
89 layout->addWidget(ageSpinBox, 3, 1, 1, 1);
90 setLayout(layout);
91
92 setWindowTitle(tr("Simple Widget Mapper"));
93 mapper->toFirst();
94}
95//! [Set up the layout]
96
97//! [Set up the model]
98void Window::setupModel()
99{
100 model = new QStandardItemModel(5, 3, this);
101
102 QStringList names;
103 names << "Alice" << "Bob" << "Carol" << "Donald" << "Emma";
104
105 QStringList addresses;
106 addresses << "<qt>123 Main Street<br/>Market Town</qt>"
107 << "<qt>PO Box 32<br/>Mail Handling Service"
108 "<br/>Service City</qt>"
109 << "<qt>The Lighthouse<br/>Remote Island</qt>"
110 << "<qt>47338 Park Avenue<br/>Big City</qt>"
111 << "<qt>Research Station<br/>Base Camp<br/>Big Mountain</qt>";
112
113 QStringList ages;
114 ages << "20" << "31" << "32" << "19" << "26";
115
116 for (int row = 0; row < 5; ++row) {
117 QStandardItem *item = new QStandardItem(names[row]);
118 model->setItem(row, 0, item);
119 item = new QStandardItem(addresses[row]);
120 model->setItem(row, 1, item);
121 item = new QStandardItem(ages[row]);
122 model->setItem(row, 2, item);
123 }
124}
125//! [Set up the model]
126
127//! [Slot for updating the buttons]
128void Window::updateButtons(int row)
129{
130 previousButton->setEnabled(row > 0);
131 nextButton->setEnabled(row < model->rowCount() - 1);
132}
133//! [Slot for updating the buttons]
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