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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Copyright (C) 2016 Ivan Komissarov
** 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 "storagemodel.h"
#include <QDir>
#include <QLocale>
void StorageModel::refresh()
{
beginResetModel();
m_volumes = QStorageInfo::mountedVolumes();
std::sort(m_volumes.begin(), m_volumes.end(),
[](const QStorageInfo &st1, const QStorageInfo &st2) {
static const QString rootSortString = QStringLiteral(" ");
return (st1.isRoot() ? rootSortString : st1.rootPath())
< (st2.isRoot() ? rootSortString : st2.rootPath());
});
endResetModel();
}
int StorageModel::columnCount(const QModelIndex &/*parent*/) const
{
return ColumnCount;
}
int StorageModel::rowCount(const QModelIndex &parent) const
{
if (parent.isValid())
return 0;
return m_volumes.count();
}
Qt::ItemFlags StorageModel::flags(const QModelIndex &index) const
{
Qt::ItemFlags result = QAbstractTableModel::flags(index);
switch (index.column()) {
case ColumnAvailable:
case ColumnIsReady:
case ColumnIsReadOnly:
case ColumnIsValid:
result |= Qt::ItemIsUserCheckable;
break;
default:
break;
}
return result;
}
QVariant StorageModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
if (role == Qt::DisplayRole) {
const QStorageInfo &volume = m_volumes.at(index.row());
switch (index.column()) {
case ColumnRootPath:
return QDir::toNativeSeparators(volume.rootPath());
case ColumnName:
return volume.name();
case ColumnDevice:
return volume.device();
case ColumnFileSystemName:
return volume.fileSystemType();
case ColumnTotal:
return QLocale().formattedDataSize(volume.bytesTotal());
case ColumnFree:
return QLocale().formattedDataSize(volume.bytesFree());
case ColumnAvailable:
return QLocale().formattedDataSize(volume.bytesAvailable());
default:
break;
}
} else if (role == Qt::CheckStateRole) {
const QStorageInfo &volume = m_volumes.at(index.row());
switch (index.column()) {
case ColumnIsReady:
return volume.isReady();
case ColumnIsReadOnly:
return volume.isReadOnly();
case ColumnIsValid:
return volume.isValid();
default:
break;
}
} else if (role == Qt::TextAlignmentRole) {
switch (index.column()) {
case ColumnTotal:
case ColumnFree:
case ColumnAvailable:
return Qt::AlignTrailing;
default:
break;
}
return Qt::AlignLeading;
} else if (role == Qt::ToolTipRole) {
QLocale locale;
const QStorageInfo &volume = m_volumes.at(index.row());
return tr("Root path : %1\n"
"Name: %2\n"
"Display Name: %3\n"
"Device: %4\n"
"FileSystem: %5\n"
"Total size: %6\n"
"Free size: %7\n"
"Available size: %8\n"
"Is Ready: %9\n"
"Is Read-only: %10\n"
"Is Valid: %11\n"
"Is Root: %12"
).
arg(QDir::toNativeSeparators(volume.rootPath())).
arg(volume.name()).
arg(volume.displayName()).
arg(QString::fromUtf8(volume.device())).
arg(QString::fromUtf8(volume.fileSystemType())).
arg(locale.formattedDataSize(volume.bytesTotal())).
arg(locale.formattedDataSize(volume.bytesFree())).
arg(locale.formattedDataSize(volume.bytesAvailable())).
arg(volume.isReady() ? tr("true") : tr("false")).
arg(volume.isReadOnly() ? tr("true") : tr("false")).
arg(volume.isValid() ? tr("true") : tr("false")).
arg(volume.isRoot() ? tr("true") : tr("false"));
}
return QVariant();
}
QVariant StorageModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (orientation != Qt::Horizontal)
return QVariant();
if (role != Qt::DisplayRole)
return QVariant();
switch (section) {
case ColumnRootPath:
return tr("Root Path");
case ColumnName:
return tr("Volume Name");
case ColumnDevice:
return tr("Device");
case ColumnFileSystemName:
return tr("File System");
case ColumnTotal:
return tr("Total");
case ColumnFree:
return tr("Free");
case ColumnAvailable:
return tr("Available");
case ColumnIsReady:
return tr("Ready");
case ColumnIsReadOnly:
return tr("Read-only");
case ColumnIsValid:
return tr("Valid");
default:
break;
}
return QVariant();
}
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