LameXP/src/Model_FileSystem.cpp

116 lines
3.3 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// LameXP - Audio Encoder Front-End
// Copyright (C) 2004-2011 LoRd_MuldeR <MuldeR2@GMX.de>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// http://www.gnu.org/licenses/gpl-2.0.txt
///////////////////////////////////////////////////////////////////////////////
#include "Model_FileSystem.h"
#include "Global.h"
#include <QApplication>
#include <QFileIconProvider>
///////////////////////////////////////////////////////////////////////////////
// Dummy QFileIconProvider class
///////////////////////////////////////////////////////////////////////////////
class QFileIconProviderEx : public QFileIconProvider
{
public:
QFileIconProviderEx();
virtual QIcon icon(IconType type) const { return (type == Drive) ? m_driveIcon : m_folderIcon; }
virtual QIcon icon(const QFileInfo &info) const;
virtual QString type (const QFileInfo &info) const { return info.isDir() ? m_folderType : m_emptyType; }
private:
const QIcon m_driveIcon;
const QIcon m_cdromIcon;
const QIcon m_networkIcon;
const QIcon m_floppyIcon;
const QIcon m_folderIcon;
const QIcon m_emptyIcon;
const QString m_folderType;
const QString m_emptyType;
};
QFileIconProviderEx::QFileIconProviderEx()
:
m_folderIcon(":/icons/folder.png"),
m_driveIcon(":/icons/drive.png"),
m_cdromIcon(":/icons/drive_cd.png"),
m_networkIcon(":/icons/drive_link.png"),
m_floppyIcon(":/icons/drive_disk.png"),
m_folderType("Folder")
{
/* Nothing to do! */
}
QIcon QFileIconProviderEx::icon(const QFileInfo &info) const
{
if(info.isRoot())
{
switch(GetDriveType(QWCHAR(QDir::toNativeSeparators(info.absoluteFilePath()))))
{
case DRIVE_CDROM:
return m_cdromIcon;
break;
case DRIVE_REMOVABLE:
return m_floppyIcon;
break;
case DRIVE_REMOTE:
return m_networkIcon;
break;
default:
return m_driveIcon;
break;
}
}
return info.isFile() ? m_emptyIcon : m_folderIcon;
}
///////////////////////////////////////////////////////////////////////////////
// Modified QFileSystemModel class
///////////////////////////////////////////////////////////////////////////////
QFileSystemModelEx::QFileSystemModelEx()
:
QFileSystemModel()
{
this->m_myIconProvider = new QFileIconProviderEx();
this->setIconProvider(m_myIconProvider);
this->setFilter(QDir::Dirs | QDir::NoDotAndDotDot);
this->setNameFilterDisables(false);
}
QFileSystemModelEx::~QFileSystemModelEx()
{
LAMEXP_DELETE(m_myIconProvider);
}
bool QFileSystemModelEx::hasChildren(const QModelIndex &parent) const
{
if(parent.isValid())
{
QDir dir = QDir(QFileSystemModel::filePath(parent));
return dir.exists() && (dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot).count() > 0);
}
return true;
}