enabled qmmp file dialog

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@428 90c681e8-e032-0410-971d-27865f9a5e38

4 files changed, 428 insertions, 2 deletions

diff --git a/src/qmmpui/CMakeLists.txt b/src/qmmpui/CMakeLists.txt
index 6d98e5e56..a7d0f5a0f 100644
--- a/src/qmmpui/CMakeLists.txt
+++ b/src/qmmpui/CMakeLists.txt
@@ -29,6 +29,7 @@ SET(libqmmpui_SRCS
     control.cpp
     playlistparser.cpp
     commandlinemanager.cpp
+    filedialog.cpp
 )
 
 SET(libqmmpui_MOC_HDRS
@@ -41,6 +42,7 @@ SET(libqmmpui_MOC_HDRS
     playlistformat.h
     commandlinemanager.h
     commandlineoption.h
+    filedialog.h
 )
 
 QT4_WRAP_CPP(libqmmpui_MOC_SRCS ${libqmmpui_MOC_HDRS})
diff --git a/src/qmmpui/filedialog.cpp b/src/qmmpui/filedialog.cpp
new file mode 100644
index 000000000..f9202d886
--- /dev/null
+++ b/src/qmmpui/filedialog.cpp
@@ -0,0 +1,297 @@
+#include "filedialog.h"
+
+#include <QSettings>
+
+
+#include <QApplication>
+#include <QPluginLoader>
+
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+//#include "playlistmodel.h"
+
+FileDialog* FileDialog::_instance = 0;
+
+QMap<QString,FileDialogFactory*> FileDialog::factories = QMap<QString,FileDialogFactory*>();
+
+FileDialog::FileDialog() : QObject(), m_initialized(false)
+{
+}
+
+
+bool FileDialog::isModal()
+{
+    return instance()->modal();
+}
+
+
+void FileDialog::init(QObject* receiver, const char* member)
+{
+    if (!m_initialized && !instance()->modal())
+    {
+        if (receiver &&  member)
+        {
+            connect(this,SIGNAL(filesAdded(const QStringList&)), receiver, member);
+            m_initialized = true;
+        }
+    }
+}
+
+
+
+QString FileDialog::getExistingDirectory( QWidget * parent, const QString & caption, const QString & dir,bool def)
+{
+    QString s;
+    if (def)
+        s = defaultInstance()->existingDirectory(parent,caption,dir);
+    else
+        s = instance()->existingDirectory(parent,caption,dir);
+    delete _instance;
+    _instance = 0;
+    return s;
+}
+
+QString FileDialog::getOpenFileName(QWidget * parent,
+                                    const QString & caption,
+                                    const QString & dir,
+                                    const QString & filter,
+                                    QString * selectedFilter,bool def)
+{
+    QString s;
+    if (def)
+        s = defaultInstance()->openFileName(parent,caption,dir,filter,selectedFilter);
+    else
+        s = instance()->openFileName(parent,caption,dir,filter,selectedFilter);
+    delete _instance;
+    _instance = 0;
+    return s;
+}
+
+QStringList FileDialog::getOpenFileNames(QWidget * parent, const QString & caption , const QString & dir ,
+        const QString & filter, QString * selectedFilter,bool def)
+{
+    QStringList sl;
+    if (def)
+        sl = defaultInstance()->openFileNames(parent,caption ,dir ,filter, selectedFilter);
+    else
+        sl =  instance()->openFileNames(parent,caption,dir,filter,selectedFilter);
+    delete _instance;
+    _instance = 0;
+    return sl;
+}
+
+QString FileDialog::getSaveFileName ( QWidget * parent, const QString & caption,
+                                      const QString & dir, const QString & filter, QString * selectedFilter,bool def)
+{
+    QString s;
+    if (def)
+        s = defaultInstance()->saveFileName(parent,caption,dir,filter,selectedFilter);
+    else
+        s =  instance()->saveFileName(parent,caption,dir,filter,selectedFilter);
+    delete _instance;
+    _instance = 0;
+    return s;
+}
+
+
+QString FileDialog::existingDirectory(QWidget *, const QString &, const QString &)
+{
+    return QString();
+}
+
+QString FileDialog::openFileName(QWidget *, const QString &, const QString &, const QString &, QString *)
+{
+    return QString();
+}
+
+QStringList FileDialog::openFileNames(QWidget *, const QString &, const QString &, const QString &, QString *)
+{
+    return QStringList();
+}
+
+QString FileDialog::saveFileName(QWidget *, const QString &, const QString &, const QString &, QString *)
+{
+    return QString();
+}
+
+
+void FileDialog::registerBuiltinFactories()
+{
+    registerFactory(new QtFileDialogFactory());
+    //registerFactory(new QmmpFileDialogFactory());
+}
+
+void FileDialog::registerExternalFactories()
+{
+    QDir pluginsDir (qApp->applicationDirPath());
+    pluginsDir.cdUp();
+    pluginsDir.cd("./"LIB_DIR"/qmmp/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(fct->name()));
+    }
+}
+
+bool FileDialog::registerFactory(FileDialogFactory *f)
+{
+    QString name = f->name();
+    if (!factories.contains(name))
+    {
+        factories.insert(name,f);
+        return true;
+    }
+    return false;
+}
+
+QString FileDialog::m_current_factory = QString();
+
+FileDialog* FileDialog::instance()
+{
+    if (_instance && _instance->modal())
+    {
+        delete _instance;
+        _instance = 0;
+    }
+
+    if (factories.isEmpty())
+    {
+        registerBuiltinFactories();
+        registerExternalFactories();
+    }
+
+    QSettings settings ( QDir::homePath() +"/.qmmp/qmmprc", QSettings::IniFormat );
+    QString f_dialogName =
+        settings.value("FileDialog",QtFileDialogFactory::QtFileDialogFactoryName).toString();
+
+    QStringList names = factories.keys();
+
+    if (m_current_factory != f_dialogName || !_instance)
+    {
+        if (_instance)
+            delete _instance;
+
+        foreach(QString name,names)
+        {
+            if (name == f_dialogName)
+            {
+                _instance = factories[name]->create();
+                m_current_factory = f_dialogName;
+                break;
+            }
+        }
+
+        if (!_instance)
+            _instance = factories[QtFileDialogFactory::QtFileDialogFactoryName]->create();
+    }
+    //else if(!_instance->modal())
+    //return _instance;
+    //      _instance->raise();
+    return _instance;
+
+}
+
+FileDialog* FileDialog::defaultInstance()
+{
+    if (_instance)
+    {
+        delete _instance;
+        _instance = 0;
+    }
+
+    if (factories.isEmpty())
+    {
+        registerBuiltinFactories();
+        registerExternalFactories();
+    }
+
+    _instance = factories[QtFileDialogFactory::QtFileDialogFactoryName]->create();
+
+    return _instance;
+}
+
+QStringList FileDialog::registeredFactories()
+{
+    if (factories.isEmpty())
+    {
+        registerBuiltinFactories();
+        registerExternalFactories();
+    }
+    return factories.keys();
+}
+
+
+void FileDialog::popup(const QString& d,Mode m,const QStringList& f, QObject* receiver, const char* member)
+{
+    FileDialog* inst = instance();
+    inst->init(receiver, member);
+    inst->raise(d,m,f);
+}
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+
+QtFileDialog::~QtFileDialog()
+{
+    qWarning("QtFileDialog::~QtFileDialog()");
+}
+
+QString QtFileDialog::existingDirectory(QWidget * parent, const QString & caption, const QString & dir)
+{
+    return QFileDialog::getExistingDirectory(parent,caption,dir,QFileDialog::DontResolveSymlinks | QFileDialog::ShowDirsOnly);
+}
+
+QString QtFileDialog::openFileName(QWidget * parent,const QString & caption,const QString & dir,const QString & filter,
+                                   QString * selectedFilter)
+{
+    return QFileDialog::getOpenFileName(parent,caption,dir,filter);
+}
+
+QStringList QtFileDialog::openFileNames(QWidget * parent, const QString & caption , const QString & dir ,
+                                        const QString & filter, QString * selectedFilter)
+{
+    return QFileDialog::getOpenFileNames(parent,caption,dir,filter,selectedFilter);
+}
+
+QString QtFileDialog::saveFileName ( QWidget * parent, const QString & caption,
+                                     const QString & dir, const QString & filter, QString * selectedFilter)
+{
+    return QFileDialog::getSaveFileName(parent,caption,dir,filter,selectedFilter);
+}
+
+
+
+
+
+
+FileDialog* QtFileDialogFactory::create()
+{
+    return new QtFileDialog();
+}
+
+QString QtFileDialogFactory::name()
+{
+    return QtFileDialogFactoryName;
+}
+
+QString QtFileDialogFactory::QtFileDialogFactoryName = "Qt File Dialog";
+
+
diff --git a/src/qmmpui/filedialog.h b/src/qmmpui/filedialog.h
new file mode 100644
index 000000000..cbf9af07b
--- /dev/null
+++ b/src/qmmpui/filedialog.h
@@ -0,0 +1,125 @@
+#ifndef FILEDIALOG_H
+#define FILEDIALOG_H
+
+#include <QString>
+#include <QStringList>
+
+#include <QFileDialog>
+#include <QMap>
+
+#define interface struct
+
+interface FileDialogFactory;
+
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////// FILE DIALOG //////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+class FileDialog : public QObject
+{
+    Q_OBJECT
+public:
+    enum Mode{AddFiles,AddDirs,SaveFiles};
+    static QString getExistingDirectory( QWidget * parent = 0, const QString & caption = QString(), const QString & dir = QString(),bool = FALSE);
+    static QString getOpenFileName(QWidget * parent = 0,const QString & caption = QString(),const QString & dir = QString(),const QString & filter = QString(),
+                                   QString * selectedFilter = 0,bool = FALSE);
+    static QStringList getOpenFileNames( QWidget * parent = 0, const QString & caption = QString(), const QString & dir = QString(),
+                                         const QString & filter = QString(), QString * selectedFilter = 0,bool = FALSE);
+    static QString getSaveFileName ( QWidget * parent = 0, const QString & caption = QString(),
+                                     const QString & dir = QString(), const QString & filter = QString(), QString * selectedFilter = 0,bool = FALSE);
+    static QStringList registeredFactories();
+
+    static bool isModal();
+    static void popup(const QString& = QString(),Mode = AddFiles,const QStringList& nameFilters = QStringList(),
+                      QObject* receiver = 0, const char* member = 0);
+signals:
+    void filesAdded(const QStringList&);
+protected:
+    FileDialog();
+    virtual QString existingDirectory( QWidget* , const QString& , const QString& );
+    virtual QString openFileName( QWidget* ,const QString& ,const QString& ,const QString& , QString* );
+    virtual QStringList openFileNames( QWidget* , const QString& , const QString&  ,const QString& , QString* );
+    virtual QString saveFileName ( QWidget* , const QString& ,const QString& , const QString& , QString* );
+    virtual bool modal()const
+    {
+        return TRUE;
+    }
+    virtual ~FileDialog()
+    {
+        ;
+    }
+    void init(QObject* receiver, const char* member);
+    virtual void raise(const QString& = QString(),Mode = AddFiles,const QStringList& = QStringList())
+    {
+        ;
+    }
+
+    static bool registerFactory(FileDialogFactory*);
+public:
+    static void registerBuiltinFactories();
+    static void registerExternalFactories();
+protected:
+    static FileDialog* instance();
+    static FileDialog* defaultInstance();
+private:
+    static QMap <QString,FileDialogFactory*> factories;
+    static FileDialog* _instance;
+    static QString m_current_factory;
+    bool m_initialized;
+};
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+
+
+interface FileDialogFactory
+{
+    virtual FileDialog* create() = 0;
+    virtual QString name() = 0;
+    virtual ~FileDialogFactory()
+    {
+        ;
+    }
+};
+
+Q_DECLARE_INTERFACE(FileDialogFactory, "FileDialogFactory/1.0");
+
+
+//////////////////////////////////////////// QT FILE DIALOG ////////////////////////////////////////////////////////////////////
+
+class QtFileDialog : public FileDialog
+{
+public:
+    virtual ~QtFileDialog();
+    virtual QString existingDirectory(QWidget * parent , const QString & , const QString & dir);
+    virtual QString openFileName(QWidget * parent,const QString & caption,const QString & dir,const QString & filter,
+                                 QString * selectedFilter);
+    virtual QStringList openFileNames(QWidget * parent, const QString & caption , const QString & dir ,
+                                      const QString & filter, QString * selectedFilter);
+    virtual QString saveFileName ( QWidget * parent, const QString & caption,
+                                   const QString & dir, const QString & filter, QString * selectedFilter);
+};
+
+
+class QtFileDialogFactory : public QObject, public FileDialogFactory
+{
+    Q_OBJECT
+    Q_INTERFACES(FileDialogFactory);
+public:
+    virtual FileDialog* create();
+    virtual QString name();
+    virtual ~QtFileDialogFactory()
+    {
+        ;
+    }
+    static QString QtFileDialogFactoryName;
+};
+
+
+#endif
+
+
diff --git a/src/qmmpui/qmmpui.pro b/src/qmmpui/qmmpui.pro
index 5e6bbde87..dde39a474 100644
--- a/src/qmmpui/qmmpui.pro
+++ b/src/qmmpui/qmmpui.pro
@@ -33,13 +33,15 @@ HEADERS += general.h \
            playlistformat.h \
            playlistparser.h \
            commandlinemanager.h \
-           commandlineoption.h
+           commandlineoption.h \
+ filedialog.h
 SOURCES += general.cpp \
            generalhandler.cpp \
            songinfo.cpp \
            control.cpp \
            playlistparser.cpp \
-           commandlinemanager.cpp
+           commandlinemanager.cpp \
+ filedialog.cpp
 
 DESTDIR = .