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Diffstat (limited to 'examples/sql/drilldown/informationwindow.cpp')
| -rw-r--r-- | examples/sql/drilldown/informationwindow.cpp | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/examples/sql/drilldown/informationwindow.cpp b/examples/sql/drilldown/informationwindow.cpp new file mode 100644 index 0000000000..3f43a5901f --- /dev/null +++ b/examples/sql/drilldown/informationwindow.cpp @@ -0,0 +1,167 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "informationwindow.h" + +//! [0] +InformationWindow::InformationWindow(int id, QSqlRelationalTableModel *offices, + QWidget *parent) + : QDialog(parent) +{ +//! [0] //! [1] + QLabel *locationLabel = new QLabel(tr("Location: ")); + QLabel *countryLabel = new QLabel(tr("Country: ")); + QLabel *descriptionLabel = new QLabel(tr("Description: ")); + QLabel *imageFileLabel = new QLabel(tr("Image file: ")); + + createButtons(); + + locationText = new QLabel; + countryText = new QLabel; + descriptionEditor = new QTextEdit; +//! [1] + +//! [2] + imageFileEditor = new QComboBox; + imageFileEditor->setModel(offices->relationModel(1)); + imageFileEditor->setModelColumn(offices->relationModel(1)->fieldIndex("file")); +//! [2] + +//! [3] + mapper = new QDataWidgetMapper(this); + mapper->setModel(offices); + mapper->setSubmitPolicy(QDataWidgetMapper::ManualSubmit); + mapper->setItemDelegate(new QSqlRelationalDelegate(mapper)); + mapper->addMapping(imageFileEditor, 1); + mapper->addMapping(locationText, 2, "text"); + mapper->addMapping(countryText, 3, "text"); + mapper->addMapping(descriptionEditor, 4); + mapper->setCurrentIndex(id); +//! [3] + +//! [4] + connect(descriptionEditor, SIGNAL(textChanged()), + this, SLOT(enableButtons())); + connect(imageFileEditor, SIGNAL(currentIndexChanged(int)), + this, SLOT(enableButtons())); + + QFormLayout *formLayout = new QFormLayout; + formLayout->addRow(locationLabel, locationText); + formLayout->addRow(countryLabel, countryText); + formLayout->addRow(imageFileLabel, imageFileEditor); + formLayout->addRow(descriptionLabel, descriptionEditor); + + QVBoxLayout *layout = new QVBoxLayout; + layout->addLayout(formLayout); + layout->addWidget(buttonBox); + setLayout(layout); + + locationId = id; + displayedImage = imageFileEditor->currentText(); + + setWindowFlags(Qt::Window); + enableButtons(false); + setWindowTitle(tr("Office: %1").arg(locationText->text())); +} +//! [4] + +//! [5] +int InformationWindow::id() +{ + return locationId; +} +//! [5] + +//! [6] +void InformationWindow::revert() +{ + mapper->revert(); + enableButtons(false); +} +//! [6] + +//! [7] +void InformationWindow::submit() +{ + QString newImage(imageFileEditor->currentText()); + + if (displayedImage != newImage) { + displayedImage = newImage; + emit imageChanged(locationId, newImage); + } + + mapper->submit(); + mapper->setCurrentIndex(locationId); + + enableButtons(false); +} +//! [7] + +//! [8] +void InformationWindow::createButtons() +{ + closeButton = new QPushButton(tr("&Close")); + revertButton = new QPushButton(tr("&Revert")); + submitButton = new QPushButton(tr("&Submit")); + + closeButton->setDefault(true); + + connect(closeButton, SIGNAL(clicked()), this, SLOT(close())); + connect(revertButton, SIGNAL(clicked()), this, SLOT(revert())); + connect(submitButton, SIGNAL(clicked()), this, SLOT(submit())); +//! [8] + +//! [9] + buttonBox = new QDialogButtonBox(this); + buttonBox->addButton(submitButton, QDialogButtonBox::AcceptRole); + buttonBox->addButton(revertButton, QDialogButtonBox::ResetRole); + buttonBox->addButton(closeButton, QDialogButtonBox::RejectRole); +} +//! [9] + +//! [10] +void InformationWindow::enableButtons(bool enable) +{ + revertButton->setEnabled(enable); + submitButton->setEnabled(enable); +} +//! [10] + + |