1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the examples of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:BSD$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** BSD License Usage
18** Alternatively, you may use this file under the terms of the BSD license
19** as follows:
20**
21** "Redistribution and use in source and binary forms, with or without
22** modification, are permitted provided that the following conditions are
23** met:
24** * Redistributions of source code must retain the above copyright
25** notice, this list of conditions and the following disclaimer.
26** * Redistributions in binary form must reproduce the above copyright
27** notice, this list of conditions and the following disclaimer in
28** the documentation and/or other materials provided with the
29** distribution.
30** * Neither the name of The Qt Company Ltd nor the names of its
31** contributors may be used to endorse or promote products derived
32** from this software without specific prior written permission.
33**
34**
35** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
46**
47** $QT_END_LICENSE$
48**
49****************************************************************************/
50
51#include <QtWidgets>
52#include "addressbook.h"
53
54AddressBook::AddressBook(QWidget *parent)
55 : QWidget(parent)
56{
57 QLabel *nameLabel = new QLabel(tr("Name:"));
58 nameLine = new QLineEdit;
59//! [setting readonly 1]
60 nameLine->setReadOnly(true);
61//! [setting readonly 1]
62 QLabel *addressLabel = new QLabel(tr("Address:"));
63 addressText = new QTextEdit;
64//! [setting readonly 2]
65 addressText->setReadOnly(true);
66//! [setting readonly 2]
67
68//! [pushbutton declaration]
69 addButton = new QPushButton(tr("&Add"));
70 addButton->show();
71 submitButton = new QPushButton(tr("&Submit"));
72 submitButton->hide();
73 cancelButton = new QPushButton(tr("&Cancel"));
74 cancelButton->hide();
75//! [pushbutton declaration]
76//! [connecting signals and slots]
77 connect(addButton, &QPushButton::clicked,
78 this, &AddressBook::addContact);
79 connect(submitButton, &QPushButton::clicked,
80 this, &AddressBook::submitContact);
81 connect(cancelButton, &QPushButton::clicked,
82 this, &AddressBook::cancel);
83//! [connecting signals and slots]
84//! [vertical layout]
85 QVBoxLayout *buttonLayout1 = new QVBoxLayout;
86 buttonLayout1->addWidget(addButton, Qt::AlignTop);
87 buttonLayout1->addWidget(submitButton);
88 buttonLayout1->addWidget(cancelButton);
89 buttonLayout1->addStretch();
90//! [vertical layout]
91//! [grid layout]
92 QGridLayout *mainLayout = new QGridLayout;
93 mainLayout->addWidget(nameLabel, 0, 0);
94 mainLayout->addWidget(nameLine, 0, 1);
95 mainLayout->addWidget(addressLabel, 1, 0, Qt::AlignTop);
96 mainLayout->addWidget(addressText, 1, 1);
97 mainLayout->addLayout(buttonLayout1, 1, 2);
98//! [grid layout]
99 setLayout(mainLayout);
100 setWindowTitle(tr("Simple Address Book"));
101}
102//! [addContact]
103void AddressBook::addContact()
104{
105 oldName = nameLine->text();
106 oldAddress = addressText->toPlainText();
107
108 nameLine->clear();
109 addressText->clear();
110
111 nameLine->setReadOnly(false);
112 nameLine->setFocus(Qt::OtherFocusReason);
113 addressText->setReadOnly(false);
114
115 addButton->setEnabled(false);
116 submitButton->show();
117 cancelButton->show();
118}
119//! [addContact]
120
121//! [submitContact part1]
122void AddressBook::submitContact()
123{
124 QString name = nameLine->text();
125 QString address = addressText->toPlainText();
126
127 if (name.isEmpty() || address.isEmpty()) {
128 QMessageBox::information(this, tr("Empty Field"),
129 tr("Please enter a name and address."));
130 return;
131 }
132//! [submitContact part1]
133//! [submitContact part2]
134 if (!contacts.contains(name)) {
135 contacts.insert(name, address);
136 QMessageBox::information(this, tr("Add Successful"),
137 tr("\"%1\" has been added to your address book.").arg(name));
138 } else {
139 QMessageBox::information(this, tr("Add Unsuccessful"),
140 tr("Sorry, \"%1\" is already in your address book.").arg(name));
141 return;
142 }
143//! [submitContact part2]
144//! [submitContact part3]
145 if (contacts.isEmpty()) {
146 nameLine->clear();
147 addressText->clear();
148 }
149
150 nameLine->setReadOnly(true);
151 addressText->setReadOnly(true);
152 addButton->setEnabled(true);
153 submitButton->hide();
154 cancelButton->hide();
155}
156//! [submitContact part3]
157//! [cancel]
158void AddressBook::cancel()
159{
160 nameLine->setText(oldName);
161 nameLine->setReadOnly(true);
162
163 addressText->setText(oldAddress);
164 addressText->setReadOnly(true);
165
166 addButton->setEnabled(true);
167 submitButton->hide();
168 cancelButton->hide();
169}
170//! [cancel]
171