48e0c4df23
Change-Id: Ic804938fc352291d011800d21e549c10acac66fb Reviewed-by: Lars Knoll <lars.knoll@digia.com>
137 lines
5.0 KiB
C++
137 lines
5.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
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** of its contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtWidgets>
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#include "window.h"
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//! [Set up widgets]
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Window::Window(QWidget *parent)
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: QWidget(parent)
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{
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setupModel();
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nameLabel = new QLabel(tr("Na&me:"));
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nameEdit = new QLineEdit();
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addressLabel = new QLabel(tr("&Address:"));
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addressEdit = new QTextEdit();
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typeLabel = new QLabel(tr("&Type:"));
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typeComboBox = new QComboBox();
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nextButton = new QPushButton(tr("&Next"));
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previousButton = new QPushButton(tr("&Previous"));
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nameLabel->setBuddy(nameEdit);
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addressLabel->setBuddy(addressEdit);
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typeLabel->setBuddy(typeComboBox);
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typeComboBox->setModel(typeModel);
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//! [Set up widgets]
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//! [Set up the mapper]
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mapper = new QDataWidgetMapper(this);
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mapper->setModel(model);
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mapper->addMapping(nameEdit, 0);
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mapper->addMapping(addressEdit, 1);
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mapper->addMapping(typeComboBox, 2, "currentIndex");
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//! [Set up the mapper]
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//! [Set up connections and layouts]
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connect(previousButton, SIGNAL(clicked()),
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mapper, SLOT(toPrevious()));
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connect(nextButton, SIGNAL(clicked()),
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mapper, SLOT(toNext()));
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connect(mapper, SIGNAL(currentIndexChanged(int)),
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this, SLOT(updateButtons(int)));
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QGridLayout *layout = new QGridLayout();
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layout->addWidget(nameLabel, 0, 0, 1, 1);
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layout->addWidget(nameEdit, 0, 1, 1, 1);
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layout->addWidget(previousButton, 0, 2, 1, 1);
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layout->addWidget(addressLabel, 1, 0, 1, 1);
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layout->addWidget(addressEdit, 1, 1, 2, 1);
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layout->addWidget(nextButton, 1, 2, 1, 1);
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layout->addWidget(typeLabel, 3, 0, 1, 1);
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layout->addWidget(typeComboBox, 3, 1, 1, 1);
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setLayout(layout);
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setWindowTitle(tr("Delegate Widget Mapper"));
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mapper->toFirst();
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}
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//! [Set up connections and layouts]
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//! [Set up the model]
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void Window::setupModel()
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{
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QStringList items;
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items << tr("Home") << tr("Work") << tr("Other");
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typeModel = new QStringListModel(items, this);
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model = new QStandardItemModel(5, 3, this);
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QStringList names;
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names << "Alice" << "Bob" << "Carol" << "Donald" << "Emma";
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QStringList addresses;
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addresses << "<qt>123 Main Street<br/>Market Town</qt>"
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<< "<qt>PO Box 32<br/>Mail Handling Service"
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"<br/>Service City</qt>"
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<< "<qt>The Lighthouse<br/>Remote Island</qt>"
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<< "<qt>47338 Park Avenue<br/>Big City</qt>"
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<< "<qt>Research Station<br/>Base Camp<br/>Big Mountain</qt>";
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QStringList types;
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types << "0" << "1" << "2" << "0" << "2";
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for (int row = 0; row < 5; ++row) {
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QStandardItem *item = new QStandardItem(names[row]);
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model->setItem(row, 0, item);
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item = new QStandardItem(addresses[row]);
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model->setItem(row, 1, item);
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item = new QStandardItem(types[row]);
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model->setItem(row, 2, item);
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}
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}
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//! [Set up the model]
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//! [Slot for updating the buttons]
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void Window::updateButtons(int row)
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{
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previousButton->setEnabled(row > 0);
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nextButton->setEnabled(row < model->rowCount() - 1);
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}
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//! [Slot for updating the buttons]
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