/**************************************************************************
* Copyright (C) 2008-2010 by Ilya Kotov *
* forkotov02@hotmail.ru *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <QFile>
#include <QSettings>
#include <QTranslator>
#include <QApplication>
#include <QPluginLoader>
#include <QMetaObject>
#include <QLibrary>
#include <qmmp/qmmp.h>
#include "filedialog.h"
#include "qtfiledialog.h"
FileDialog* FileDialog::_instance = 0;
QMap<QString,FileDialogFactory*> FileDialog::factories = QMap<QString,FileDialogFactory*>();
FileDialog::FileDialog() : QObject(), m_initialized(false)
{
m_lastDir = 0;
}
bool FileDialog::isModal()
{
return instance()->modal();
}
void FileDialog::setEnabled(FileDialogFactory *factory)
{
if (factories.isEmpty())
{
registerBuiltinFactories();
registerExternalFactories();
}
QSettings settings (Qmmp::configFile(), QSettings::IniFormat);
settings.setValue("FileDialog", factories.key(factory));
}
bool FileDialog::isEnabled(FileDialogFactory *factory)
{
if (factories.isEmpty())
{
registerBuiltinFactories();
registerExternalFactories();
}
QSettings settings (Qmmp::configFile(), QSettings::IniFormat);
QString f_dialogName = settings.value("FileDialog", "qt_dialog").toString();
return factories.value(f_dialogName) == factory;
}
void FileDialog::init(QObject* receiver, const char* member, QString *dir)
{
m_lastDir = dir;
if (m_initialized)
disconnect();
if (receiver && member)
{
connect(this,SIGNAL(filesAdded(const QStringList&)), receiver, member);
connect(this,SIGNAL(filesAdded(const QStringList&)), SLOT(updateLastDir(const QStringList&)));
m_initialized = true;
}
}
QString FileDialog::getExistingDirectory(QWidget *parent,
const QString &caption,
const QString &dir)
{
return instance()->existingDirectory(parent,caption,dir);
}
QString FileDialog::getOpenFileName(QWidget *parent,
const QString &caption,
const QString &dir,
const QString &filter,
QString *selectedFilter)
{
return instance()->openFileName(parent,caption,dir,filter,selectedFilter);
}
QStringList FileDialog::getOpenFileNames(QWidget *parent, const QString &caption,
const QString &dir,const QString &filter,
QString *selectedFilter)
{
return instance()->openFileNames(parent,caption,dir,filter,selectedFilter);
}
QString FileDialog::getSaveFileName (QWidget *parent, const QString &caption,
const QString& dir, const QString &filter,
QString *selectedFilter)
{
return instance()->saveFileName(parent,caption,dir,filter,selectedFilter);
}
//virtual
QString FileDialog::existingDirectory(QWidget *parent, const QString &caption, const QString &dir)
{
FileDialog *instance = FileDialog::defaultInstance();
QString dir_path = instance->existingDirectory(parent, caption, dir);
delete instance;
return dir_path;
}
QString FileDialog::openFileName(QWidget *parent, const QString &caption, const QString &dir,
const QString &filter, QString *selectedFilter)
{
FileDialog *instance = FileDialog::defaultInstance();
QString file_path = instance->openFileName(parent, caption, dir, filter, selectedFilter);
delete instance;
return file_path;
}
QStringList FileDialog::openFileNames(QWidget *parent, const QString &caption, const QString &dir,
const QString &filter, QString *selectedFilter)
{
FileDialog *instance = FileDialog::defaultInstance();
QStringList list = instance->openFileNames(parent, caption, dir, filter, selectedFilter);
delete instance;
return list;
}
QString FileDialog::saveFileName(QWidget *parent, const QString &caption, const QString &dir,
const QString &filter, QString *selectedFilter)
{
FileDialog *instance = FileDialog::defaultInstance();
QString file_path = instance->saveFileName(parent, caption, dir, filter, selectedFilter);
delete instance;
return file_path;
}
void FileDialog::registerBuiltinFactories()
{
FileDialogFactory *fct = new QtFileDialogFactory();
qApp->installTranslator(fct->createTranslator(qApp));
registerFactory(fct);
}
void FileDialog::registerExternalFactories()
{
QDir pluginsDir (Qmmp::pluginsPath());
pluginsDir.cd("FileDialogs");
foreach (QString fileName, pluginsDir.entryList(QDir::Files))
{
QPluginLoader loader(pluginsDir.absoluteFilePath(fileName));
QObject *plugin = loader.instance();
if (loader.isLoaded())
qDebug("FileDialog: plugin loaded - %s", qPrintable(fileName));
else
qDebug("FileDialog: %s",qPrintable(loader.errorString()));
FileDialogFactory *fct = 0;
if (plugin)
fct = qobject_cast<FileDialogFactory *>(plugin);
if (fct)
{
if (!registerFactory(fct))
qDebug("Warning: Plugin with name %s is already registered...",
qPrintable(fileName));
qApp->installTranslator(fct->createTranslator(qApp));
}
}
#ifndef Q_OS_WIN32
#if (QT_VERSION >= 0x040500 && QT_VERSION < 0x040600)
//load native kde dialog
QStringList paths;
paths << "/usr/lib/kde4/kio_file.so";
paths << "/usr/lib64/kde4/kio_file.so";
paths << "/usr/local/kde4/lib/kde4/kio_file.so";
foreach(QString path, paths)
{
if(QFile::exists(path))
{
QLibrary *l = new QLibrary(path, qApp);
l->load();
break;
}
}
#endif
#endif
}
bool FileDialog::registerFactory(FileDialogFactory *factory)
{
if (!factories.contains(factory->properties().shortName))
{
factories.insert(factory->properties().shortName, factory);
return true;
}
return false;
}
QString FileDialog::m_current_factory = QString();
FileDialog* FileDialog::instance()
{
if (factories.isEmpty())
{
registerBuiltinFactories();
registerExternalFactories();
}
QSettings settings (Qmmp::configFile(), QSettings::IniFormat);
QString f_dialogName = settings.value("FileDialog", "qt_dialog").toString();
QStringList names = factories.keys();
if (!names.contains(f_dialogName))
f_dialogName = "qt_dialog";
if (m_current_factory != f_dialogName || !_instance)
{
if (_instance)
{
delete _instance;
_instance = 0;
}
foreach(QString name,names)
{
if (name == f_dialogName)
{
_instance = factories[name]->create();
m_current_factory = f_dialogName;
break;
}
}
if (!_instance)
_instance = factories["qt_dialog"]->create();
}
return _instance;
}
FileDialog* FileDialog::defaultInstance()
{
if (factories.isEmpty())
{
registerBuiltinFactories();
registerExternalFactories();
}
return factories["qt_dialog"]->create();
}
QList <FileDialogFactory*> FileDialog::registeredFactories()
{
if (factories.isEmpty())
{
registerBuiltinFactories();
registerExternalFactories();
}
return factories.values();
}
void FileDialog::popup(QWidget *parent,
Mode m,
QString *dir,
QObject *receiver,
const char *member,
const QString &caption,
const QString &filters)
{
if (!dir)
qFatal("FileDialog: empty last dir pointer");
FileDialog* inst = instance();
inst->setParent(parent);
inst->init(receiver, member, dir);
if (!inst->modal())
inst->raise(*dir, m, caption, filters.split(";;"));
else
{
QStringList files;
if (m == AddFiles || m == AddFile || m == AddDirsFiles)
{
QString selectedFilter;
files = getOpenFileNames(parent, caption, *dir, filters, &selectedFilter);
}
else if (m == AddDirs || m == AddDir)
{
QString path = getExistingDirectory(parent, caption, *dir);
if (!path.isEmpty())
files << path;
}
QMetaObject::invokeMethod(inst, "filesAdded", Q_ARG(QStringList, files));
}
}
void FileDialog::updateLastDir(const QStringList& list)
{
if (!list.isEmpty() && m_lastDir)
{
QString path = list[0];
if (path.endsWith('/'))
path.remove(path.size()-1, 1);
*m_lastDir = path.left(path.lastIndexOf ('/'));
}
}
