mirror of
https://github.com/crystalidea/qt6windows7.git
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129 lines
3.2 KiB
C++
129 lines
3.2 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include "informationwindow.h"
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//! [0]
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InformationWindow::InformationWindow(int id, QSqlRelationalTableModel *items,
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QWidget *parent)
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: QDialog(parent)
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{
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//! [0] //! [1]
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QLabel *itemLabel = new QLabel(tr("Item: "));
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QLabel *descriptionLabel = new QLabel(tr("Description: "));
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QLabel *imageFileLabel = new QLabel(tr("Image file: "));
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createButtons();
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itemText = new QLabel;
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descriptionEditor = new QTextEdit;
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//! [1]
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//! [2]
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imageFileEditor = new QComboBox;
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imageFileEditor->setModel(items->relationModel(1));
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imageFileEditor->setModelColumn(items->relationModel(1)->fieldIndex("file"));
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//! [2]
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//! [3]
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mapper = new QDataWidgetMapper(this);
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mapper->setModel(items);
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mapper->setSubmitPolicy(QDataWidgetMapper::ManualSubmit);
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mapper->setItemDelegate(new QSqlRelationalDelegate(mapper));
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mapper->addMapping(imageFileEditor, 1);
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mapper->addMapping(itemText, 2, "text");
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mapper->addMapping(descriptionEditor, 3);
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mapper->setCurrentIndex(id);
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//! [3]
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//! [4]
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connect(descriptionEditor, &QTextEdit::textChanged, [=]() {
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enableButtons();
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});
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connect(imageFileEditor, &QComboBox::currentIndexChanged, [=]() {
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enableButtons();
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});
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QFormLayout *formLayout = new QFormLayout;
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formLayout->addRow(itemLabel, itemText);
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formLayout->addRow(imageFileLabel, imageFileEditor);
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formLayout->addRow(descriptionLabel, descriptionEditor);
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QVBoxLayout *layout = new QVBoxLayout;
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layout->addLayout(formLayout);
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layout->addWidget(buttonBox);
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setLayout(layout);
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itemId = id;
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displayedImage = imageFileEditor->currentText();
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setWindowFlags(Qt::Window);
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enableButtons(false);
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setWindowTitle(itemText->text());
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}
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//! [4]
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//! [5]
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int InformationWindow::id() const
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{
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return itemId;
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}
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//! [5]
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//! [6]
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void InformationWindow::revert()
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{
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mapper->revert();
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enableButtons(false);
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}
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//! [6]
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//! [7]
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void InformationWindow::submit()
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{
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QString newImage(imageFileEditor->currentText());
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if (displayedImage != newImage) {
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displayedImage = newImage;
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emit imageChanged(itemId, newImage);
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}
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mapper->submit();
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mapper->setCurrentIndex(itemId);
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enableButtons(false);
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}
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//! [7]
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//! [8]
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void InformationWindow::createButtons()
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{
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closeButton = new QPushButton(tr("&Close"));
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revertButton = new QPushButton(tr("&Revert"));
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submitButton = new QPushButton(tr("&Submit"));
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closeButton->setDefault(true);
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connect(closeButton, &QPushButton::clicked, this, &InformationWindow::close);
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connect(revertButton, &QPushButton::clicked, this, &InformationWindow::revert);
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connect(submitButton, &QPushButton::clicked, this, &InformationWindow::submit);
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//! [8]
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//! [9]
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buttonBox = new QDialogButtonBox(this);
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buttonBox->addButton(submitButton, QDialogButtonBox::AcceptRole);
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buttonBox->addButton(revertButton, QDialogButtonBox::ResetRole);
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buttonBox->addButton(closeButton, QDialogButtonBox::RejectRole);
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}
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//! [9]
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//! [10]
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void InformationWindow::enableButtons(bool enable)
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{
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revertButton->setEnabled(enable);
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submitButton->setEnabled(enable);
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}
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//! [10]
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