qt5base-lts/examples/sql/drilldown/informationwindow.cpp
David Boddie 0748751c9f Squashed commit of the changes from the mobile-examples repository
(4.7-generated-declarative branch).
2011-05-23 14:24:07 +02:00

172 lines
5.7 KiB
C++

/****************************************************************************
**
** 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.
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** permission.
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****************************************************************************/
#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();
// Commented the following line. Now the window will look like dialog and the Qt will place the QDialogBox buttons to menu area in Symbian.
// Too bad that the revert button is missing, Should the Qt place the buttons under Option menu in the menu area?!
// If the Qt::Window flag was used, the background of window is white in symbian and the QLabels can't be regognized from the background.
//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]