cd46a2daf5
Update files using old header.LGPL3 to header.LGPL Update files using old FDL template to use new one Update files using old BSD template to use new one Change-Id: I36a78272516f9953d02956522f285b40adfc8915 Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
293 lines
9.0 KiB
C++
293 lines
9.0 KiB
C++
/****************************************************************************
|
|
**
|
|
** 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."
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include "dialog.h"
|
|
|
|
int uniqueAlbumId;
|
|
int uniqueArtistId;
|
|
|
|
Dialog::Dialog(QSqlRelationalTableModel *albums, QDomDocument details,
|
|
QFile *output, QWidget *parent)
|
|
: QDialog(parent)
|
|
{
|
|
model = albums;
|
|
albumDetails = details;
|
|
outputFile = output;
|
|
|
|
QGroupBox *inputWidgetBox = createInputWidgets();
|
|
QDialogButtonBox *buttonBox = createButtons();
|
|
|
|
QVBoxLayout *layout = new QVBoxLayout;
|
|
layout->addWidget(inputWidgetBox);
|
|
layout->addWidget(buttonBox);
|
|
setLayout(layout);
|
|
|
|
setWindowTitle(tr("Add Album"));
|
|
}
|
|
|
|
void Dialog::submit()
|
|
{
|
|
QString artist = artistEditor->text();
|
|
QString title = titleEditor->text();
|
|
|
|
if (artist.isEmpty() || title.isEmpty()) {
|
|
QString message(tr("Please provide both the name of the artist "
|
|
"and the title of the album."));
|
|
QMessageBox::information(this, tr("Add Album"), message);
|
|
} else {
|
|
int artistId = findArtistId(artist);
|
|
int albumId = addNewAlbum(title, artistId);
|
|
|
|
QStringList tracks;
|
|
tracks = tracksEditor->text().split(',', QString::SkipEmptyParts);
|
|
addTracks(albumId, tracks);
|
|
|
|
increaseAlbumCount(indexOfArtist(artist));
|
|
accept();
|
|
}
|
|
}
|
|
|
|
int Dialog::findArtistId(const QString &artist)
|
|
{
|
|
QSqlTableModel *artistModel = model->relationModel(2);
|
|
int row = 0;
|
|
|
|
while (row < artistModel->rowCount()) {
|
|
QSqlRecord record = artistModel->record(row);
|
|
if (record.value("artist") == artist)
|
|
return record.value("id").toInt();
|
|
else
|
|
row++;
|
|
}
|
|
return addNewArtist(artist);
|
|
}
|
|
|
|
|
|
int Dialog::addNewArtist(const QString &name)
|
|
{
|
|
QSqlTableModel *artistModel = model->relationModel(2);
|
|
QSqlRecord record;
|
|
|
|
int id = generateArtistId();
|
|
|
|
QSqlField f1("id", QVariant::Int);
|
|
QSqlField f2("artist", QVariant::String);
|
|
QSqlField f3("albumcount", QVariant::Int);
|
|
|
|
f1.setValue(QVariant(id));
|
|
f2.setValue(QVariant(name));
|
|
f3.setValue(QVariant(0));
|
|
record.append(f1);
|
|
record.append(f2);
|
|
record.append(f3);
|
|
|
|
artistModel->insertRecord(-1, record);
|
|
return id;
|
|
}
|
|
|
|
int Dialog::addNewAlbum(const QString &title, int artistId)
|
|
{
|
|
int id = generateAlbumId();
|
|
QSqlRecord record;
|
|
|
|
QSqlField f1("albumid", QVariant::Int);
|
|
QSqlField f2("title", QVariant::String);
|
|
QSqlField f3("artistid", QVariant::Int);
|
|
QSqlField f4("year", QVariant::Int);
|
|
|
|
f1.setValue(QVariant(id));
|
|
f2.setValue(QVariant(title));
|
|
f3.setValue(QVariant(artistId));
|
|
f4.setValue(QVariant(yearEditor->value()));
|
|
record.append(f1);
|
|
record.append(f2);
|
|
record.append(f3);
|
|
record.append(f4);
|
|
|
|
model->insertRecord(-1, record);
|
|
return id;
|
|
}
|
|
|
|
void Dialog::addTracks(int albumId, QStringList tracks)
|
|
{
|
|
QDomElement albumNode = albumDetails.createElement("album");
|
|
albumNode.setAttribute("id", albumId);
|
|
|
|
for (int i = 0; i < tracks.count(); i++) {
|
|
QString trackNumber = QString::number(i);
|
|
if (i < 10)
|
|
trackNumber.prepend('0');
|
|
|
|
QDomText textNode = albumDetails.createTextNode(tracks.at(i));
|
|
|
|
QDomElement trackNode = albumDetails.createElement("track");
|
|
trackNode.setAttribute("number", trackNumber);
|
|
trackNode.appendChild(textNode);
|
|
|
|
albumNode.appendChild(trackNode);
|
|
}
|
|
|
|
QDomNodeList archive = albumDetails.elementsByTagName("archive");
|
|
archive.item(0).appendChild(albumNode);
|
|
|
|
/*
|
|
The following code is commented out since the example uses an in
|
|
memory database, i.e., altering the XML file will bring the data
|
|
out of sync.
|
|
|
|
if (!outputFile->open(QIODevice::WriteOnly)) {
|
|
return;
|
|
} else {
|
|
QTextStream stream(outputFile);
|
|
archive.item(0).save(stream, 4);
|
|
outputFile->close();
|
|
}
|
|
*/
|
|
}
|
|
|
|
void Dialog::increaseAlbumCount(QModelIndex artistIndex)
|
|
{
|
|
QSqlTableModel *artistModel = model->relationModel(2);
|
|
|
|
QModelIndex albumCountIndex;
|
|
albumCountIndex = artistIndex.sibling(artistIndex.row(), 2);
|
|
|
|
int albumCount = albumCountIndex.data().toInt();
|
|
artistModel->setData(albumCountIndex, QVariant(albumCount + 1));
|
|
}
|
|
|
|
|
|
void Dialog::revert()
|
|
{
|
|
artistEditor->clear();
|
|
titleEditor->clear();
|
|
yearEditor->setValue(QDate::currentDate().year());
|
|
tracksEditor->clear();
|
|
}
|
|
|
|
QGroupBox *Dialog::createInputWidgets()
|
|
{
|
|
QGroupBox *box = new QGroupBox(tr("Add Album"));
|
|
|
|
QLabel *artistLabel = new QLabel(tr("Artist:"));
|
|
QLabel *titleLabel = new QLabel(tr("Title:"));
|
|
QLabel *yearLabel = new QLabel(tr("Year:"));
|
|
QLabel *tracksLabel = new QLabel(tr("Tracks (separated by comma):"));
|
|
|
|
artistEditor = new QLineEdit;
|
|
titleEditor = new QLineEdit;
|
|
|
|
yearEditor = new QSpinBox;
|
|
yearEditor->setMinimum(1900);
|
|
yearEditor->setMaximum(QDate::currentDate().year());
|
|
yearEditor->setValue(yearEditor->maximum());
|
|
yearEditor->setReadOnly(false);
|
|
|
|
tracksEditor = new QLineEdit;
|
|
|
|
QGridLayout *layout = new QGridLayout;
|
|
layout->addWidget(artistLabel, 0, 0);
|
|
layout->addWidget(artistEditor, 0, 1);
|
|
layout->addWidget(titleLabel, 1, 0);
|
|
layout->addWidget(titleEditor, 1, 1);
|
|
layout->addWidget(yearLabel, 2, 0);
|
|
layout->addWidget(yearEditor, 2, 1);
|
|
layout->addWidget(tracksLabel, 3, 0, 1, 2);
|
|
layout->addWidget(tracksEditor, 4, 0, 1, 2);
|
|
box->setLayout(layout);
|
|
|
|
return box;
|
|
}
|
|
|
|
QDialogButtonBox *Dialog::createButtons()
|
|
{
|
|
QPushButton *closeButton = new QPushButton(tr("&Close"));
|
|
QPushButton *revertButton = new QPushButton(tr("&Revert"));
|
|
QPushButton *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()));
|
|
|
|
QDialogButtonBox *buttonBox = new QDialogButtonBox;
|
|
buttonBox->addButton(submitButton, QDialogButtonBox::ResetRole);
|
|
buttonBox->addButton(revertButton, QDialogButtonBox::ResetRole);
|
|
buttonBox->addButton(closeButton, QDialogButtonBox::RejectRole);
|
|
|
|
return buttonBox;
|
|
}
|
|
|
|
QModelIndex Dialog::indexOfArtist(const QString &artist)
|
|
{
|
|
QSqlTableModel *artistModel = model->relationModel(2);
|
|
|
|
for (int i = 0; i < artistModel->rowCount(); i++) {
|
|
QSqlRecord record = artistModel->record(i);
|
|
if (record.value("artist") == artist)
|
|
return artistModel->index(i, 1);
|
|
}
|
|
|
|
return QModelIndex();
|
|
}
|
|
|
|
int Dialog::generateArtistId()
|
|
{
|
|
uniqueArtistId += 1;
|
|
return uniqueArtistId;
|
|
}
|
|
|
|
int Dialog::generateAlbumId()
|
|
{
|
|
uniqueAlbumId += 1;
|
|
return uniqueAlbumId;
|
|
}
|