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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "informationwindow.h"
//! [0]
InformationWindow::InformationWindow(int id, QSqlRelationalTableModel *items,
QWidget *parent)
: QDialog(parent)
{
//! [0] //! [1]
QLabel *itemLabel = new QLabel(tr("Item:"));
QLabel *descriptionLabel = new QLabel(tr("Description:"));
QLabel *imageFileLabel = new QLabel(tr("Image file:"));
createButtons();
itemText = new QLabel;
descriptionEditor = new QTextEdit;
//! [1]
//! [2]
imageFileEditor = new QComboBox;
imageFileEditor->setModel(items->relationModel(1));
imageFileEditor->setModelColumn(items->relationModel(1)->fieldIndex("file"));
//! [2]
//! [3]
mapper = new QDataWidgetMapper(this);
mapper->setModel(items);
mapper->setSubmitPolicy(QDataWidgetMapper::ManualSubmit);
mapper->setItemDelegate(new QSqlRelationalDelegate(mapper));
mapper->addMapping(imageFileEditor, 1);
mapper->addMapping(itemText, 2, "text");
mapper->addMapping(descriptionEditor, 3);
mapper->setCurrentIndex(id);
//! [3]
//! [4]
connect(descriptionEditor, &QTextEdit::textChanged, this, [this]() { enableButtons(true); });
connect(imageFileEditor, &QComboBox::currentIndexChanged, this, [this]() { enableButtons(true); });
QFormLayout *formLayout = new QFormLayout;
formLayout->addRow(itemLabel, itemText);
formLayout->addRow(imageFileLabel, imageFileEditor);
formLayout->addRow(descriptionLabel, descriptionEditor);
QVBoxLayout *layout = new QVBoxLayout;
layout->addLayout(formLayout);
layout->addWidget(buttonBox);
setLayout(layout);
itemId = id;
displayedImage = imageFileEditor->currentText();
setWindowFlags(Qt::Window);
enableButtons(false);
setWindowTitle(itemText->text());
}
//! [4]
//! [5]
int InformationWindow::id() const
{
return itemId;
}
//! [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(itemId, newImage);
}
mapper->submit();
mapper->setCurrentIndex(itemId);
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, &QPushButton::clicked, this, &InformationWindow::close);
connect(revertButton, &QPushButton::clicked, this, &InformationWindow::revert);
connect(submitButton, &QPushButton::clicked, this, &InformationWindow::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]
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