diff options
Diffstat (limited to 'examples/sql/masterdetail/mainwindow.cpp')
| -rw-r--r-- | examples/sql/masterdetail/mainwindow.cpp | 112 |
1 files changed, 31 insertions, 81 deletions
diff --git a/examples/sql/masterdetail/mainwindow.cpp b/examples/sql/masterdetail/mainwindow.cpp index 11f123372c..020a149b22 100644 --- a/examples/sql/masterdetail/mainwindow.cpp +++ b/examples/sql/masterdetail/mainwindow.cpp @@ -1,62 +1,23 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, 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 The Qt Company Ltd 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause #include "mainwindow.h" #include "dialog.h" -#include <QtWidgets> -#include <QtSql> -#include <QtXml> - -extern int uniqueAlbumId; -extern int uniqueArtistId; +#include <QApplication> +#include <QComboBox> +#include <QHeaderView> +#include <QFile> +#include <QGridLayout> +#include <QGroupBox> +#include <QLabel> +#include <QListWidget> +#include <QMenu> +#include <QMenuBar> +#include <QMessageBox> +#include <QSqlRecord> +#include <QSqlRelationalTableModel> +#include <QTableView> MainWindow::MainWindow(const QString &artistTable, const QString &albumTable, QFile *albumDetails, QWidget *parent) @@ -75,13 +36,12 @@ MainWindow::MainWindow(const QString &artistTable, const QString &albumTable, QGroupBox *details = createDetailsGroupBox(); artistView->setCurrentIndex(0); - uniqueAlbumId = model->rowCount(); - uniqueArtistId = artistView->count(); + Dialog::setInitialAlbumAndArtistId(model->rowCount(), artistView->count()); connect(model, &QSqlRelationalTableModel::rowsInserted, - this, &MainWindow::updateHeader); + this, &MainWindow::adjustHeader); connect(model, &QSqlRelationalTableModel::rowsRemoved, - this, &MainWindow::updateHeader); + this, &MainWindow::adjustHeader); QGridLayout *layout = new QGridLayout; layout->addWidget(artists, 0, 0); @@ -114,7 +74,7 @@ void MainWindow::changeArtist(int row) } } -void MainWindow::showArtistProfile(QModelIndex index) +void MainWindow::showArtistProfile(const QModelIndex &index) { QSqlRecord record = model->relationModel(2)->record(index.row()); @@ -131,7 +91,7 @@ void MainWindow::showArtistProfile(QModelIndex index) imageLabel->hide(); } -void MainWindow::showAlbumDetails(QModelIndex index) +void MainWindow::showAlbumDetails(const QModelIndex &index) { QSqlRecord record = model->record(index.row()); @@ -160,14 +120,11 @@ void MainWindow::getTrackList(QDomNode album) { trackList->clear(); - QDomNodeList tracks = album.childNodes(); - QDomNode track; - QString trackNumber; - + const QDomNodeList tracks = album.childNodes(); for (int i = 0; i < tracks.count(); ++i) { - track = tracks.item(i); - trackNumber = track.toElement().attribute("number"); + const QDomNode track = tracks.item(i); + const QString trackNumber = track.toElement().attribute("number"); QListWidgetItem *item = new QListWidgetItem(trackList); item->setText(trackNumber + ": " + track.toElement().text()); @@ -179,7 +136,7 @@ void MainWindow::addAlbum() Dialog *dialog = new Dialog(model, albumData, file, this); int accepted = dialog->exec(); - if (accepted == 1) { + if (accepted == QDialog::Accepted) { int lastRow = model->rowCount() - 1; albumView->selectRow(lastRow); albumView->scrollToBottom(); @@ -189,10 +146,10 @@ void MainWindow::addAlbum() void MainWindow::deleteAlbum() { - QModelIndexList selection = albumView->selectionModel()->selectedRows(0); + const QModelIndexList selection = albumView->selectionModel()->selectedRows(0); if (!selection.empty()) { - QModelIndex idIndex = selection.at(0); + const QModelIndex &idIndex = selection.at(0); int id = idIndex.data().toInt(); QString title = idIndex.sibling(idIndex.row(), 1).data().toString(); QString artist = idIndex.sibling(idIndex.row(), 2).data().toString(); @@ -219,9 +176,7 @@ void MainWindow::deleteAlbum() void MainWindow::removeAlbumFromFile(int id) { - QDomNodeList albums = albumData.elementsByTagName("album"); - for (int i = 0; i < albums.count(); ++i) { QDomNode node = albums.item(i); if (node.toElement().attribute("id").toInt() == id) { @@ -244,12 +199,12 @@ void MainWindow::removeAlbumFromFile(int id) */ } -void MainWindow::removeAlbumFromDatabase(QModelIndex index) +void MainWindow::removeAlbumFromDatabase(const QModelIndex &index) { model->removeRow(index.row()); } -void MainWindow::decreaseAlbumCount(QModelIndex artistIndex) +void MainWindow::decreaseAlbumCount(const QModelIndex &artistIndex) { int row = artistIndex.row(); QModelIndex albumCountIndex = artistIndex.sibling(row, 2); @@ -388,7 +343,7 @@ void MainWindow::createMenuBar() connect(deleteAction, &QAction::triggered, this, &MainWindow::deleteAlbum); connect(quitAction, &QAction::triggered, - this, &MainWindow::close); + qApp, &QCoreApplication::quit); connect(aboutAction, &QAction::triggered, this, &MainWindow::about); connect(aboutQtAction, &QAction::triggered, @@ -405,7 +360,7 @@ void MainWindow::showImageLabel() imageLabel->show(); } -QModelIndex MainWindow::indexOfArtist(const QString &artist) +QModelIndex MainWindow::indexOfArtist(const QString &artist) const { QSqlTableModel *artistModel = model->relationModel(2); @@ -417,11 +372,6 @@ QModelIndex MainWindow::indexOfArtist(const QString &artist) return QModelIndex(); } -void MainWindow::updateHeader(QModelIndex, int, int) -{ - adjustHeader(); -} - void MainWindow::adjustHeader() { albumView->hideColumn(0); |