moved playlist model to libqmmpui

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@679 90c681e8-e032-0410-971d-27865f9a5e38

10 files changed, 1918 insertions, 23 deletions

diff --git a/src/qmmpui/CMakeLists.txt b/src/qmmpui/CMakeLists.txt
index 96517cf0f..08b7a5c94 100644
--- a/src/qmmpui/CMakeLists.txt
+++ b/src/qmmpui/CMakeLists.txt
@@ -35,8 +35,11 @@ SET(libqmmpui_SRCS
     commandlinemanager.cpp
     filedialog.cpp
     qtfiledialog.cpp
-    abstractplaylist.cpp
     abstractplaylistitem.cpp
+    fileloader.cpp
+    playstate.cpp
+    playlistmodel.cpp
+    playlistitem.cpp
 )
 
 SET(libqmmpui_MOC_HDRS
@@ -50,8 +53,11 @@ SET(libqmmpui_MOC_HDRS
     filedialog.h
     filedialogfactory.h
     qtfiledialog.h
-    abstractplaylist.h
     abstractplaylistitem.h
+    fileloader.h
+    playstate.h
+    playlistmodel.h
+    playlistitem.h
 )
 
 SET(libqmmpui_DEVEL_HDRS
@@ -64,8 +70,10 @@ SET(libqmmpui_DEVEL_HDRS
     commandlineoption.h
     filedialog.h
     filedialogfactory.h
-    abstractplaylist.h
+    qtfiledialog.h
     abstractplaylistitem.h
+    playlistmodel.h
+    playlistitem.h
 )
 
 
diff --git a/src/qmmpui/fileloader.cpp b/src/qmmpui/fileloader.cpp
new file mode 100644
index 000000000..ce5ccb56c
--- /dev/null
+++ b/src/qmmpui/fileloader.cpp
@@ -0,0 +1,116 @@
+/***************************************************************************
+ *   Copyright (C) 2006 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 <qmmp/decoder.h>
+
+#include "fileloader.h"
+#include "playlistitem.h"
+
+FileLoader::FileLoader(QObject *parent)
+        : QThread(parent),m_files_to_load(),m_directory()
+{
+    m_filters = Decoder::nameFilters();
+    m_finished = false;
+}
+
+
+FileLoader::~FileLoader()
+{
+    qWarning("FileLoader::~FileLoader()");
+}
+
+
+void FileLoader::addFiles(const QStringList &files)
+{
+    if (files.isEmpty ())
+        return;
+
+    foreach(QString s, files)
+    {
+        /*if (s.startsWith("http://") || Decoder::supports(s))
+        {*/
+        //emit newPlayListItem(new PlayListItem(s));
+        QList <FileInfo *> playList = Decoder::createPlayList(s);
+        foreach(FileInfo *info, playList)
+        emit newPlayListItem(new PlayListItem(info));
+        //}
+        if (m_finished) return;
+    }
+}
+
+
+void FileLoader::addDirectory(const QString& s)
+{
+    QList <FileInfo *> playList;
+    QDir dir(s);
+    dir.setFilter(QDir::Files | QDir::Hidden | QDir::NoSymLinks);
+    dir.setSorting(QDir::Name);
+    QFileInfoList l = dir.entryInfoList(m_filters);
+    for (int i = 0; i < l.size(); ++i)
+    {
+        QFileInfo fileInfo = l.at(i);
+        QString suff = fileInfo.completeSuffix();
+        list << fileInfo;
+
+        /*if (Decoder::supports(fileInfo.absoluteFilePath ()))
+        {*/
+        playList = Decoder::createPlayList(fileInfo.absoluteFilePath ());
+        foreach(FileInfo *info, playList)
+        emit newPlayListItem(new PlayListItem(info));
+        //emit newPlayListItem(new PlayListItem(fileInfo.absoluteFilePath ()));
+        //}
+        if (m_finished) return;
+    }
+    dir.setFilter(QDir::Dirs | QDir::NoDotAndDotDot);
+    dir.setSorting(QDir::Name);
+    l.clear();
+    l = dir.entryInfoList();
+    if (l.size() > 0)
+        for (int i = 0; i < l.size(); ++i)
+        {
+            QFileInfo fileInfo = l.at(i);
+            addDirectory(fileInfo.absoluteFilePath ());
+            if (m_finished) return;
+        }
+}
+
+void FileLoader::run()
+{
+    if (!m_files_to_load.isEmpty())
+        addFiles(m_files_to_load);
+    else if (!m_directory.isEmpty())
+        addDirectory(m_directory);
+}
+
+void FileLoader::setFilesToLoad(const QStringList & l)
+{
+    m_files_to_load = l;
+    m_directory = QString();
+}
+
+void FileLoader::setDirectoryToLoad(const QString & d)
+{
+    m_directory = d;
+    m_files_to_load.clear();
+}
+
+void FileLoader::finish()
+{
+    m_finished = true;
+}
diff --git a/src/qmmpui/abstractplaylist.h b/src/qmmpui/fileloader.h
index 6190cd8b4..d2dcc0748 100644
--- a/src/qmmpui/abstractplaylist.h
+++ b/src/qmmpui/fileloader.h
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2008 by Ilya Kotov                                      *
+ *   Copyright (C) 2006 by Ilya Kotov                                      *
  *   forkotov02@hotmail.ru                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -17,22 +17,56 @@
  *   Free Software Foundation, Inc.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
-#ifndef ABSTRACTPLAYLIST_H
-#define ABSTRACTPLAYLIST_H
+#ifndef FILELOADER_H
+#define FILELOADER_H
 
 #include <QObject>
+#include <QDir>
+#include <QThread>
 
-/**
-	@author Ilya Kotov <forkotov02@hotmail.ru>
+class PlayListItem;
+
+/*!
+ * This class represents fileloader object that
+ * processes file list in separate thread and emits
+ * \b newPlayListItem(PlayListItem*) signal for every newly
+ * created media file.
+    @author Ilya Kotov <forkotov02@hotmail.ru>
 */
-class AbstractPlaylist : public QObject
+class FileLoader : public QThread
 {
-Q_OBJECT
+    Q_OBJECT
 public:
-    AbstractPlaylist(QObject *parent = 0);
+    FileLoader(QObject *parent = 0);
+
+    ~FileLoader();
+    virtual void run();
+
+    /*!
+     * Call this method when you want to notify the thread about finishing
+     */
+    void finish();
 
-    ~AbstractPlaylist();
+    /*!
+     * Sets filelist to load( directory to load will be cleaned )
+     */
+    void setFilesToLoad(const QStringList&);
 
+    /*!
+     * Sets directory to load( filelist to load will be cleaned )
+     */
+    void setDirectoryToLoad(const QString&);
+signals:
+    void newPlayListItem(PlayListItem*);
+protected:
+    void addFiles(const QStringList &files);
+    void addDirectory(const QString& s);
+private:
+    QFileInfoList list;
+    QStringList m_filters;
+    QStringList m_files_to_load;
+    QString m_directory;
+    bool m_finished;
 };
 
 #endif
diff --git a/src/qmmpui/playlistitem.cpp b/src/qmmpui/playlistitem.cpp
new file mode 100644
index 000000000..bfbaa354c
--- /dev/null
+++ b/src/qmmpui/playlistitem.cpp
@@ -0,0 +1,179 @@
+/***************************************************************************
+ *   Copyright (C) 2008 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 <QSettings>
+#include <QDir>
+
+#include <qmmp/decoder.h>
+
+#include "playlistitem.h"
+
+PlayListItem::PlayListItem() : AbstractPlaylistItem(), m_flag(FREE)
+{
+    m_info = 0;
+}
+
+PlayListItem::PlayListItem(FileInfo *info, QSettings *settings) : AbstractPlaylistItem(), m_flag(FREE)
+{
+    m_selected = FALSE;
+    m_current = FALSE;
+    m_info = info;
+
+    //use external settings or create new
+    QSettings *s = settings;
+    if (!s)
+        s = new QSettings (QDir::homePath() +"/.qmmp/qmmprc", QSettings::IniFormat);
+
+    m_use_meta = s->value ("PlayList/load_metadata", TRUE).toBool();  //TODO move to libqmmp
+    //format
+    m_format = s->value("PlayList/title_format", "%p - %t").toString();
+    //other properties
+    m_convertUnderscore = s->value ("PlayList/convert_underscore", TRUE).toBool();
+    m_convertTwenty = s->value ("PlayList/convert_twenty", TRUE).toBool();
+    m_fullStreamPath = s->value ("PlayList/full_stream_path", FALSE).toBool();
+    if (!settings) //delete created settings only
+        delete s;
+
+    setMetaData(info->metaData());
+    setMetaData(Qmmp::URL, m_info->path());
+    setLength(m_info->length());
+    readMetadata();
+}
+
+PlayListItem::~PlayListItem()
+{
+    if (m_info)
+        delete m_info;
+}
+
+void PlayListItem::setSelected(bool yes)
+{
+    m_selected = yes;
+}
+
+bool PlayListItem::isSelected() const
+{
+    return m_selected;
+}
+
+void PlayListItem::setCurrent(bool yes)
+{
+    m_current = yes;
+}
+
+bool PlayListItem::isCurrent() const
+{
+    return m_current;
+}
+
+void PlayListItem::setFlag(FLAGS f)
+{
+    m_flag = f;
+}
+
+PlayListItem::FLAGS PlayListItem::flag() const
+{
+    return m_flag;
+}
+
+void PlayListItem::updateMetaData(const QMap <Qmmp::MetaData, QString> &metaData)
+{
+    setMetaData(metaData);
+    readMetadata();
+}
+
+void PlayListItem::updateTags()
+{
+    if (url().startsWith("http://"))
+        return;
+    if (m_info)
+    {
+        delete m_info;
+        m_info = 0;
+    }
+    m_info = Decoder::createPlayList(url()).at(0);
+    setMetaData(m_info->metaData());
+    setMetaData(Qmmp::URL, m_info->path());
+    readMetadata();
+}
+
+const QString PlayListItem::text() const
+{
+    return m_title;
+}
+
+void PlayListItem::setText(const QString &title)
+{
+    m_title = title;
+}
+
+void PlayListItem::readMetadata()
+{
+    m_title = m_format;
+    m_title = printTag(m_title, "%p", artist());
+    m_title = printTag(m_title, "%a", album());
+    m_title = printTag(m_title, "%t", title());
+    m_title = printTag(m_title, "%n", QString("%1").arg(track()));
+    m_title = printTag(m_title, "%g", genre());
+    m_title = printTag(m_title, "%f", url().section('/',-1));
+    m_title = printTag(m_title, "%F", url());
+    m_title = printTag(m_title, "%y", QString("%1").arg(year ()));
+
+    if (m_title.isEmpty())
+    {
+        if (url().startsWith("http://")  && m_fullStreamPath)
+            m_title = url();
+        else
+            m_title = url().split('/',QString::SkipEmptyParts).takeLast ();
+    }
+    if (m_info)
+        delete m_info;
+    m_info = 0;
+    if (m_convertUnderscore)
+        m_title.replace("_", " ");
+    if (m_convertTwenty)
+        m_title.replace("%20", " ");
+}
+
+QString PlayListItem::printTag(QString str, QString regExp, QString tagStr)
+{
+    if (!tagStr.isEmpty())
+        str.replace(regExp, tagStr);
+    else
+    {
+        //remove unused separators
+        int regExpPos = str.indexOf(regExp);
+        if (regExpPos < 0)
+            return str;
+        int nextPos = str.indexOf("%", regExpPos + 1);
+        if (nextPos < 0)
+        {
+            //last separator
+            regExpPos = m_format.lastIndexOf(regExp);
+            nextPos = m_format.lastIndexOf("%", regExpPos - 1);
+            QString lastSep = m_format.right (m_format.size() - nextPos - 2);
+            str.remove(lastSep);
+            str.remove(regExp);
+        }
+        else
+            str.remove ( regExpPos, nextPos - regExpPos);
+    }
+    return str;
+}
+
diff --git a/src/qmmpui/abstractplaylist.cpp b/src/qmmpui/playlistitem.h
index 607165426..ce26ca2f5 100644
--- a/src/qmmpui/abstractplaylist.cpp
+++ b/src/qmmpui/playlistitem.h
@@ -17,16 +17,58 @@
  *   Free Software Foundation, Inc.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
-#include "abstractplaylist.h"
+#ifndef PLAYLISTITEM_H
+#define PLAYLISTITEM_H
 
-AbstractPlaylist::AbstractPlaylist(QObject *parent)
- : QObject(parent)
+#include <qmmp/qmmp.h>
+#include <qmmpui/abstractplaylistitem.h>
+
+class FileInfo;
+class QSettings;
+/**
+	@author Ilya Kotov <forkotov02@hotmail.ru>
+*/
+class PlayListItem : public AbstractPlaylistItem
 {
-}
+public:
+    /*!
+     * Current state of media file.
+     * FREE - instance is free and may be deleted
+     * EDITING - instance is currently busy in some kind of operation(tags editing etc.)
+     * and can't be deleted at the moment. Set flag SCHEDULED_FOR_DELETION for it 
+     * instead of delete operator call.
+     */
+    enum FLAGS{FREE = 0,EDITING,SCHEDULED_FOR_DELETION};
+    PlayListItem();
+    //PlayListItem(const QString& path);
+    PlayListItem(FileInfo *info, QSettings *settings = 0);
 
+    ~PlayListItem();
 
-AbstractPlaylist::~AbstractPlaylist()
-{
-}
+    //playlist support
+    void setSelected(bool yes);
+    bool isSelected() const;
+    void setCurrent(bool yes);
+    bool isCurrent() const;
+    FLAGS flag()const;
+    void setFlag(FLAGS);
+    const QString text() const;
+    void setText(const QString &title);
+    //modify functions
+    void updateMetaData(const QMap <Qmmp::MetaData, QString> &metaData);
+    void updateTags();
 
+private:
+    void readMetadata();
+    QString printTag(QString str, QString regExp, QString tagStr);
+    QString m_title;
+    FileInfo *m_info;
+    bool m_selected;
+    bool m_current;
+    bool m_use_meta;
+    bool m_convertUnderscore, m_convertTwenty, m_fullStreamPath;
+    QString m_format;
+    FLAGS m_flag;
+};
 
+#endif
diff --git a/src/qmmpui/playlistmodel.cpp b/src/qmmpui/playlistmodel.cpp
new file mode 100644
index 000000000..ffde91ac8
--- /dev/null
+++ b/src/qmmpui/playlistmodel.cpp
@@ -0,0 +1,910 @@
+/***************************************************************************
+ *   Copyright(C) 2006-2008 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 <QWidget>
+#include <QFile>
+#include <QDir>
+#include <QtAlgorithms>
+#include <QFileInfo>
+#include <QTextStream>
+#include <QPluginLoader>
+#include <QApplication>
+#include <QTimer>
+#include <QSettings>
+#include <QMessageBox>
+#include <QBuffer>
+
+#include <time.h>
+
+#include <qmmp/decoder.h>
+#include <qmmp/decoderfactory.h>
+#include <qmmpui/playlistparser.h>
+#include <qmmpui/playlistformat.h>
+
+#include "fileloader.h"
+#include "playlistmodel.h"
+#include "playlistitem.h"
+#include "playstate.h"
+
+#include <QMetaType>
+
+#define INVALID_ROW -1
+
+TagUpdater::TagUpdater(QObject* o,PlayListItem* item):m_observable(o),m_item(item)
+{
+    m_item->setFlag(PlayListItem::EDITING);
+    connect(m_observable, SIGNAL(destroyed(QObject *)),SLOT(updateTag()));
+    connect(m_observable, SIGNAL(destroyed(QObject *)),SLOT(deleteLater()));
+}
+
+void TagUpdater::updateTag()
+{
+    if (m_item->flag() == PlayListItem::SCHEDULED_FOR_DELETION)
+    {
+        delete m_item;
+        m_item = NULL;
+    }
+    else
+    {
+        m_item->updateTags();
+        m_item->setFlag(PlayListItem::FREE);
+    }
+}
+
+
+PlayListModel::PlayListModel(QObject *parent)
+        : QObject(parent) , m_selection()
+{
+    qsrand(time(0));
+    m_total_length = 0;
+    m_current = 0;
+    m_block_update_signals = false;
+    is_repeatable_list = false;
+    m_play_state = new NormalPlayState(this);
+    //readSettings();
+}
+
+PlayListModel::~PlayListModel()
+{
+    writeSettings();
+    clear();
+    delete m_play_state;
+    //qDeleteAll(m_registered_pl_formats);
+
+    foreach(GuardedFileLoader l,m_running_loaders)
+    {
+        if (!l.isNull())
+        {
+            l->finish();
+            l->wait();
+        }
+    }
+}
+
+void PlayListModel::load(PlayListItem *item)
+{
+    if (m_items.isEmpty())
+        m_currentItem = item;
+
+    m_total_length += item->length();
+    m_items << item;
+
+    if (m_items.size() == 1)
+        emit firstAdded();
+
+    if (!m_block_update_signals)
+        emit listChanged();
+}
+
+int PlayListModel::count()
+{
+    return m_items.size();
+}
+
+PlayListItem* PlayListModel::currentItem()
+{
+    if (m_items.isEmpty())
+        return 0;
+    else
+        return m_items.at(qMin(m_items.size() - 1, m_current));
+}
+
+int PlayListModel::currentRow()
+{
+    return m_current;
+}
+
+bool PlayListModel::setCurrent(int c)
+{
+    if (c > count()-1 || c < 0)
+        return FALSE;
+    m_current = c;
+    m_currentItem = m_items.at(c);
+    emit currentChanged();
+    emit listChanged();
+    return TRUE;
+}
+
+
+bool PlayListModel::next()
+{
+    if (isFileLoaderRunning())
+        m_play_state->prepare();
+
+    return m_play_state->next();
+}
+
+bool PlayListModel::previous()
+{
+    if (isFileLoaderRunning())
+        m_play_state->prepare();
+
+    return m_play_state->previous();//)
+}
+
+void PlayListModel::clear()
+{
+    foreach(GuardedFileLoader l,m_running_loaders)
+    {
+        if (!l.isNull())
+        {
+            l->finish();
+            l->wait();
+        }
+    }
+
+    m_running_loaders.clear();
+
+    m_current = 0;
+    while (!m_items.isEmpty())
+    {
+        PlayListItem* mf = m_items.takeFirst();
+
+        if (mf->flag() == PlayListItem::FREE)
+        {
+            delete mf;
+        }
+        else if (mf->flag() == PlayListItem::EDITING)
+        {
+            mf->setFlag(PlayListItem::SCHEDULED_FOR_DELETION);
+        }
+    }
+
+    m_total_length = 0;
+    m_play_state->resetState();
+    emit listChanged();
+}
+
+void PlayListModel::clearSelection()
+{
+    for (int i = 0; i<m_items.size(); ++i)
+        m_items.at(i)->setSelected(FALSE);
+    emit listChanged();
+}
+
+QList <QString> PlayListModel::getTitles(int b,int l)
+{
+    QList <QString> m_titles;
+    for (int i = b;(i < b + l) &&(i < m_items.size()); ++i)
+        m_titles << m_items.at(i)->text();
+    return m_titles;
+}
+
+QList <QString> PlayListModel::getTimes(int b,int l)
+{
+    QList <QString> m_times;
+    for (int i = b;(i < b + l) &&(i < m_items.size()); ++i)
+        m_times << QString("%1").arg(m_items.at(i)->length() /60) +":"
+        +QString("%1").arg(m_items.at(i)->length() %60/10) +
+        QString("%1").arg(m_items.at(i)->length() %60%10);
+    return m_times;
+}
+
+bool PlayListModel::isSelected(int row)
+{
+    if (m_items.count() > row && row >= 0)
+        return m_items.at(row)->isSelected();
+
+    return false;
+}
+
+void PlayListModel::setSelected(int row, bool yes)
+{
+    if (m_items.count() > row && row >= 0)
+        m_items.at(row)->setSelected(yes);
+}
+
+void PlayListModel::removeSelected()
+{
+    removeSelection(false);
+}
+
+void PlayListModel::removeUnselected()
+{
+    removeSelection(true);
+}
+
+void PlayListModel::removeSelection(bool inverted)
+{
+    int i = 0;
+
+    int select_after_delete = -1;
+
+    while (!m_items.isEmpty() && i<m_items.size())
+    {
+        if (m_items.at(i)->isSelected() ^ inverted)
+        {
+            PlayListItem* f = m_items.takeAt(i);
+            m_total_length -= f->length();
+            if (m_total_length < 0)
+                m_total_length = 0;
+
+            if (f->flag() == PlayListItem::FREE)
+            {
+                delete f;
+                f = NULL;
+            }
+            else if (f->flag() == PlayListItem::EDITING)
+                f->setFlag(PlayListItem::SCHEDULED_FOR_DELETION);
+
+            select_after_delete = i;
+
+            if (m_current >= i && m_current!=0)
+                m_current--;
+        }
+        else
+            i++;
+    }
+
+    if (!m_items.isEmpty())
+        m_currentItem = m_items.at(m_current);
+
+    if (select_after_delete >= m_items.count())
+        select_after_delete = m_items.count() - 1;
+
+    setSelected(select_after_delete,true);
+
+    m_play_state->prepare();
+
+    emit listChanged();
+}
+
+void PlayListModel::invertSelection()
+{
+    for (int i = 0; i<m_items.size(); ++i)
+        m_items.at(i)->setSelected(!m_items.at(i)->isSelected());
+    emit listChanged();
+}
+
+void PlayListModel::selectAll()
+{
+    for (int i = 0; i<m_items.size(); ++i)
+        m_items.at(i)->setSelected(TRUE);
+    emit listChanged();
+}
+
+void PlayListModel::showDetails()
+{
+    for (int i = 0; i<m_items.size(); ++i)
+    {
+        if (m_items.at(i)->isSelected())
+        {
+            if (!QFile::exists(m_items.at(i)->url()))
+            {
+                PlayListItem *item = m_items.at(i);
+                QString str;
+                str.append(tr("Url:") + " %1\n");
+                str.append(tr("Title:") + " %2\n");
+                str.append(tr("Artist:") + " %3\n");
+                str.append(tr("Album:") + " %4\n");
+                str.append(tr("Comment:") + " %5");
+                str = str.arg(item->url())
+                      .arg(item->title().isEmpty() ? item->text() : item->title())
+                      .arg(item->artist())
+                      .arg(item->album())
+                      .arg(item->comment());
+                QMessageBox::information(0, m_items.at(i)->url(), str);
+                return;
+            }
+
+            DecoderFactory *fact = Decoder::findByPath(m_items.at(i)->url());
+            if (fact)
+            {
+                QObject* o = fact->showDetails(0, m_items.at(i)->url());
+                if (o)
+                {
+                    TagUpdater *updater = new TagUpdater(o,m_items.at(i));
+                    m_editing_items.append(m_items.at(i));
+                    connect(updater, SIGNAL(destroyed(QObject *)),SIGNAL(listChanged()));
+                }
+            }
+            return;
+        }
+    }
+}
+
+void PlayListModel::readSettings()
+{
+    QSettings settings(QDir::homePath()+"/.qmmp/qmmprc", QSettings::IniFormat);
+    m_current = settings.value("Playlist/current",0).toInt();
+
+    QString line, param, value;
+    int s;
+    QList <FileInfo *> infoList;
+    QFile file(QDir::homePath() +"/.qmmp/playlist.txt");
+    file.open(QIODevice::ReadOnly);
+    QByteArray array = file.readAll();
+    file.close();
+    QBuffer buffer(&array);
+    buffer.open(QIODevice::ReadOnly);
+    while (!buffer.atEnd())
+    {
+        line = QString::fromUtf8(buffer.readLine()).trimmed();
+        if ((s = line.indexOf("=")) < 0)
+            continue;
+
+        param = line.left(s);
+        value = line.right(line.size() - s - 1);
+
+        if (param == "file")
+            infoList << new FileInfo(value);
+        else if (infoList.isEmpty())
+            continue;
+        else if (param == "title")
+            infoList.last()->setMetaData(Qmmp::TITLE, value);
+        else if (param == "artist")
+            infoList.last()->setMetaData(Qmmp::ARTIST, value);
+        else if (param == "album")
+            infoList.last()->setMetaData(Qmmp::ALBUM, value);
+        else if (param == "comment")
+            infoList.last()->setMetaData(Qmmp::COMMENT, value);
+        else if (param == "genre")
+            infoList.last()->setMetaData(Qmmp::GENRE, value);
+        else if (param == "year")
+            infoList.last()->setMetaData(Qmmp::YEAR, value);
+        else if (param == "track")
+            infoList.last()->setMetaData(Qmmp::TRACK, value);
+        else if (param == "length")
+            infoList.last()->setLength(value.toInt());
+    }
+    buffer.close();
+    if (m_current > infoList.count() - 1)
+        m_current = 0;
+    m_block_update_signals = TRUE;
+    foreach(FileInfo *info, infoList)
+    load(new PlayListItem(info, &settings)); //using one and the same settings object for all playlist items
+    m_block_update_signals = FALSE;
+    doCurrentVisibleRequest();
+}
+
+void PlayListModel::writeSettings()
+{
+    QFile file(QDir::homePath() +"/.qmmp/playlist.txt");
+    file.open(QIODevice::WriteOnly);
+    foreach(PlayListItem* m, m_items)
+    {
+        file.write(QString("file=%1").arg(m->url()).toUtf8() +"\n");
+        file.write(QString("title=%1").arg(m->title()).toUtf8() +"\n");
+        file.write(QString("artist=%1").arg(m->artist()).toUtf8() +"\n");
+        file.write(QString("album=%1").arg(m->album()).toUtf8() +"\n");
+        file.write(QString("comment=%1").arg(m->comment()).toUtf8() +"\n");
+        file.write(QString("genre=%1").arg(m->genre()).toUtf8() +"\n");
+        file.write(QString("year=%1").arg(m->year()).toUtf8() +"\n");
+        file.write(QString("track=%1").arg(m->track()).toUtf8() +"\n");
+        file.write(QString("length=%1").arg(m->length()).toUtf8() +"\n");
+    }
+    file.close();
+    QSettings settings(QDir::homePath()+"/.qmmp/qmmprc", QSettings::IniFormat);
+    settings.setValue("Playlist/current", m_current);
+}
+
+void PlayListModel::addFile(const QString& path)
+{
+    if (path.isEmpty())
+        return;
+    /*if(path.startsWith("http://"))
+        load(new PlayListItem(path));
+    else if(Decoder::supports(path))
+        load(new PlayListItem(path));*/
+    QList <FileInfo *> playList = Decoder::createPlayList(path);
+    foreach(FileInfo *info, playList)
+    emit load(new PlayListItem(info));
+
+    m_play_state->prepare();
+}
+
+FileLoader * PlayListModel::createFileLoader()
+{
+    FileLoader* f_loader = new FileLoader(this);
+// f_loader->setStackSize(20 * 1024 * 1024);
+    m_running_loaders << f_loader;
+    connect(f_loader,SIGNAL(newPlayListItem(PlayListItem*)),this,SLOT(load(PlayListItem*)),Qt::QueuedConnection);
+    connect(f_loader,SIGNAL(finished()),this,SLOT(preparePlayState()));
+    connect(f_loader,SIGNAL(finished()),f_loader,SLOT(deleteLater()));
+    return f_loader;
+}
+
+void PlayListModel::addFiles(const QStringList &files)
+{
+    FileLoader* f_loader = createFileLoader();
+    f_loader->setFilesToLoad(files);
+    f_loader->start(QThread::IdlePriority);
+}
+
+void PlayListModel::addDirectory(const QString& s)
+{
+    FileLoader* f_loader = createFileLoader();
+    f_loader->setDirectoryToLoad(s);
+    f_loader->start(QThread::IdlePriority);
+}
+
+void PlayListModel::addFileList(const QStringList &l)
+{
+//    qWarning("void// PlayListModel::addFileList(const QStringList &l)");
+    foreach(QString str,l)
+    {
+        QFileInfo f_info(str);
+        if (f_info.exists())
+        {
+            if (f_info.isDir())
+                addDirectory(str);
+            else
+            {
+                addFile(str);
+                loadPlaylist(str);
+            }
+        }
+        // Do processing the rest of events to avoid GUI freezing
+        QApplication::processEvents(QEventLoop::AllEvents,10);
+    }
+}
+
+bool PlayListModel::setFileList(const QStringList & l)
+{
+    bool model_cleared = FALSE;
+    foreach(QString str,l)
+    {
+        QFileInfo f_info(str);
+        if (f_info.exists())
+        {
+            if (!model_cleared)
+            {
+                clear();
+                model_cleared = TRUE;
+            }
+            if (f_info.isDir())
+                addDirectory(str);
+            else
+            {
+                addFile(str);
+                loadPlaylist(str);
+            }
+        }
+        // Do processing the rest of events to avoid GUI freezing
+        QApplication::processEvents(QEventLoop::AllEvents,10);
+    }
+
+    return model_cleared;
+}
+
+int PlayListModel::firstSelectedUpper(int row)
+{
+    for (int i = row - 1;i >= 0;i--)
+    {
+        if (isSelected(i))
+            return i;
+    }
+    return -1;
+}
+
+int PlayListModel::firstSelectedLower(int row)
+{
+    for (int i = row + 1;i < count() ;i++)
+    {
+        if (isSelected(i))
+            return i;
+    }
+    return -1;
+}
+
+void PlayListModel::moveItems(int from, int to)
+{
+    // Get rid of useless work
+    if (from == to)
+        return;
+
+    QList<int> selected_rows = getSelectedRows();
+
+    if (!(bottommostInSelection(from) == INVALID_ROW ||
+            from == INVALID_ROW ||
+            topmostInSelection(from) == INVALID_ROW)
+       )
+    {
+        if (from > to)
+            foreach(int i, selected_rows)
+            if (i + to - from < 0)
+                break;
+            else
+                m_items.move(i,i + to - from);
+        else
+            for (int i = selected_rows.count() - 1; i >= 0; i--)
+                if (selected_rows[i] + to -from >= m_items.count())
+                    break;
+                else
+                    m_items.move(selected_rows[i],selected_rows[i] + to - from);
+
+        m_current = m_items.indexOf(m_currentItem);
+
+        emit listChanged();
+    }
+}
+
+
+
+int PlayListModel::topmostInSelection(int row)
+{
+    if (row == 0)
+        return 0;
+
+    for (int i = row - 1;i >= 0;i--)
+    {
+        if (isSelected(i))
+            continue;
+        else
+            return i + 1;
+    }
+    return 0;
+}
+
+int PlayListModel::bottommostInSelection(int row)
+{
+    if (row >= m_items.count() - 1)
+        return row;
+
+    for (int i = row + 1;i < count() ;i++)
+    {
+        if (isSelected(i))
+            continue;
+        else
+            return i - 1;
+    }
+    return count() - 1;
+}
+
+const SimpleSelection& PlayListModel::getSelection(int row)
+{
+    m_selection.m_top = topmostInSelection(row);
+    m_selection.m_anchor = row;
+    m_selection.m_bottom = bottommostInSelection(row);
+    m_selection.m_selected_rows = getSelectedRows();
+    return m_selection;
+}
+
+QList<int> PlayListModel::getSelectedRows() const
+{
+    QList<int>selected_rows;
+    for (int i = 0;i<m_items.count();i++)
+    {
+        if (m_items[i]->isSelected())
+        {
+            selected_rows.append(i);
+        }
+    }
+    return selected_rows;
+}
+
+QList< PlayListItem * > PlayListModel::getSelectedItems() const
+{
+    QList<PlayListItem*>selected_items;
+    for (int i = 0;i<m_items.count();i++)
+    {
+        if (m_items[i]->isSelected())
+        {
+            selected_items.append(m_items[i]);
+        }
+    }
+    return selected_items;
+}
+
+void PlayListModel::addToQueue()
+{
+    QList<PlayListItem*> selected_items = getSelectedItems();
+    foreach(PlayListItem* file,selected_items)
+    {/*
+                if(isQueued(file))
+                    m_queued_songs.removeAt(m_queued_songs.indexOf(file));
+                else
+                    m_queued_songs.append(file);
+                 */
+        setQueued(file);
+    }
+    emit listChanged();
+}
+
+void PlayListModel::setQueued(PlayListItem* file)
+{
+    if (isQueued(file))
+        m_queued_songs.removeAt(m_queued_songs.indexOf(file));
+    else
+        m_queued_songs.append(file);
+
+    emit listChanged();
+}
+
+bool PlayListModel::isQueued(PlayListItem* f) const
+{
+    return m_queued_songs.contains(f);
+}
+
+void PlayListModel::setCurrentToQueued()
+{
+    setCurrent(row(m_queued_songs.at(0)));
+    m_queued_songs.pop_front();
+}
+
+bool PlayListModel::isEmptyQueue() const
+{
+    return m_queued_songs.isEmpty();
+}
+
+void PlayListModel::randomizeList()
+{
+    for (int i = 0;i < m_items.size();i++)
+        m_items.swap(qrand()%m_items.size(),qrand()%m_items.size());
+
+    m_current = m_items.indexOf(m_currentItem);
+    emit listChanged();
+}
+
+void PlayListModel::reverseList()
+{
+    for (int i = 0;i < m_items.size()/2;i++)
+        m_items.swap(i,m_items.size() - i - 1);
+
+    m_current = m_items.indexOf(m_currentItem);
+    emit listChanged();
+}
+
+////===============THE BEGINNING OF SORT IMPLEMENTATION =======================////
+
+// First we'll implement bundle of static compare procedures
+// to sort items in different ways
+static bool _titleLessComparator(PlayListItem* s1,PlayListItem* s2)
+{
+    return s1->title() < s2->title();
+}
+
+static bool _titleGreaterComparator(PlayListItem* s1,PlayListItem* s2)
+{
+    return s1->title() > s2->title();
+}
+
+static bool _pathAndFilenameLessComparator(PlayListItem* s1,PlayListItem* s2)
+{
+    return s1->url() < s2->url();
+}
+
+static bool _pathAndFilenameGreaterComparator(PlayListItem* s1,PlayListItem* s2)
+{
+    return s1->url() > s2->url();
+}
+
+static bool _filenameLessComparator(PlayListItem* s1,PlayListItem* s2)
+{
+    QFileInfo i_s1(s1->url());
+    QFileInfo i_s2(s2->url());
+    return i_s1.baseName() < i_s2.baseName();
+}
+
+static bool _filenameGreaterComparator(PlayListItem* s1,PlayListItem* s2)
+{
+    QFileInfo i_s1(s1->url());
+    QFileInfo i_s2(s2->url());
+    return i_s1.baseName() > i_s2.baseName();
+}
+
+static bool _dateLessComparator(PlayListItem* s1,PlayListItem* s2)
+{
+    return s1->year() < s2->year();
+}
+
+static bool _dateGreaterComparator(PlayListItem* s1,PlayListItem* s2)
+{
+    return s1->year() > s2->year();
+}
+
+static bool _trackLessComparator(PlayListItem* s1,PlayListItem* s2)
+{
+    return s1->track() < s2->track();
+}
+
+static bool _trackGreaterComparator(PlayListItem* s1,PlayListItem* s2)
+{
+    return s1->track() > s2->track();
+}
+
+// This is main sort method
+void PlayListModel::doSort(int sort_mode,QList<PlayListItem*>& list_to_sort)
+{
+    QList<PlayListItem*>::iterator begin;
+    QList<PlayListItem*>::iterator end;
+
+    begin = list_to_sort.begin();
+    end = list_to_sort.end();
+
+    bool(*compareLessFunc)(PlayListItem*,PlayListItem*) = 0;
+    bool(*compareGreaterFunc)(PlayListItem*,PlayListItem*) = 0;
+
+    switch (sort_mode)
+    {
+    case TITLE:
+        compareLessFunc = _titleLessComparator;
+        compareGreaterFunc = _titleGreaterComparator;
+        break;
+    case FILENAME:
+        compareLessFunc = _filenameLessComparator;
+        compareGreaterFunc = _filenameGreaterComparator;
+        break;
+    case PATH_AND_FILENAME:
+        compareLessFunc = _pathAndFilenameLessComparator;
+        compareGreaterFunc = _pathAndFilenameGreaterComparator;
+        break;
+    case DATE:
+        compareLessFunc = _dateLessComparator;
+        compareGreaterFunc = _dateGreaterComparator;
+        break;
+        //qWarning("TODO Sort by Date: %s\t%d",__FILE__,__LINE__);
+    case TRACK:
+        compareLessFunc = _trackLessComparator;
+        compareGreaterFunc = _trackGreaterComparator;
+        break;
+    default:
+        compareLessFunc = _titleLessComparator;
+        compareGreaterFunc = _titleGreaterComparator;
+    }
+
+    static bool sorted_asc = false;
+    if (!sorted_asc)
+    {
+        qSort(begin,end,compareLessFunc);
+        sorted_asc = true;
+    }
+    else
+    {
+        qSort(begin,end,compareGreaterFunc);
+        sorted_asc = false;
+    }
+
+    m_current = m_items.indexOf(m_currentItem);
+}
+
+void PlayListModel::sortSelection(int mode)
+{
+    QList<PlayListItem*>selected_items = getSelectedItems();
+    QList<int>selected_rows = getSelectedRows();
+
+    doSort(mode,selected_items);
+
+    for (int i = 0;i < selected_rows.count();i++)
+        m_items.replace(selected_rows[i],selected_items[i]);
+
+    m_current = m_items.indexOf(m_currentItem);
+    emit listChanged();
+}
+
+void PlayListModel::sort(int mode)
+{
+    doSort(mode,m_items);
+    emit listChanged();
+}
+
+////=============== THE END OF SORT IMPLEMENTATION =======================////
+
+void PlayListModel::prepareForShufflePlaying(bool val)
+{
+    if (m_play_state)
+        delete m_play_state;
+
+    if (val)
+        m_play_state = new ShufflePlayState(this);
+    else
+        m_play_state = new NormalPlayState(this);
+
+}
+
+void PlayListModel::prepareForRepeatablePlaying(bool val)
+{
+    is_repeatable_list = val;
+}
+
+void PlayListModel::doCurrentVisibleRequest()
+{
+    emit currentChanged();
+    emit listChanged();
+}
+
+void PlayListModel::setUpdatesEnabled(bool yes)
+{
+    if (yes)
+    {
+        m_block_update_signals = false;
+        emit listChanged();
+    }
+    else
+    {
+        m_block_update_signals = true;
+    }
+}
+
+void PlayListModel::loadPlaylist(const QString &f_name)
+{
+    PlaylistFormat* prs = PlaylistParser::instance()->findByPath(f_name);
+    if (prs)
+    {
+        QFile file(f_name);
+        if (file.open(QIODevice::ReadOnly))
+        {
+            //clear();
+            QStringList list = prs->decode(QTextStream(&file).readAll());
+            for (int i = 0; i < list.size(); ++i)
+            {
+                if (QFileInfo(list.at(i)).isRelative() && !list.at(i).contains("://"))
+                    QString path = list[i].prepend(QFileInfo(f_name).canonicalPath () + QDir::separator ());
+            }
+            addFiles(list);
+            file.close();
+        }
+        else
+            qWarning("Error opening %s",f_name.toLocal8Bit().data());
+    }
+}
+
+void PlayListModel::savePlaylist(const QString & f_name)
+{
+    PlaylistFormat* prs = PlaylistParser::instance()->findByPath(f_name);
+    if (prs)
+    {
+        QFile file(f_name);
+        if (file.open(QIODevice::WriteOnly))
+        {
+            QTextStream ts(&file);
+            QList <AbstractPlaylistItem *> songs;
+            foreach(PlayListItem* item, m_items)
+            songs << item;
+            ts << prs->encode(songs);
+            file.close();
+        }
+        else
+            qWarning("Error opening %s",f_name.toLocal8Bit().data());
+    }
+}
+
+bool PlayListModel::isFileLoaderRunning() const
+{
+    foreach(FileLoader* l,m_running_loaders)
+    if (l && l->isRunning())
+        return TRUE;
+
+    return FALSE;
+}
+
+void PlayListModel::preparePlayState()
+{
+    m_play_state->prepare();
+}
diff --git a/src/qmmpui/playlistmodel.h b/src/qmmpui/playlistmodel.h
new file mode 100644
index 000000000..a5231b44f
--- /dev/null
+++ b/src/qmmpui/playlistmodel.h
@@ -0,0 +1,353 @@
+/***************************************************************************
+ *   Copyright (C) 2006-2008 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.             *
+ ***************************************************************************/
+#ifndef PLAYLISTMODEL_H
+#define PLAYLISTMODEL_H
+
+#include <QObject>
+#include <QString>
+#include <QStringList>
+#include <QMap>
+#include <QPointer>
+#include <QVector>
+
+//#include "fileloader.h"
+class FileLoader;
+
+/**
+   @author Ilya Kotov <forkotov02@hotmail.ru>
+*/
+
+class PlayListItem;
+class PlayState;
+class PlaylistFormat;
+class PlayListModel;
+
+struct SimpleSelection
+{
+    SimpleSelection()
+    {
+        ;
+    }
+    inline bool isValid()const
+    {
+        return (m_bottom != -1) && (m_anchor != -1) && (m_top != -1);
+    }
+    inline void dump()const
+    {
+        qWarning("top: %d\tbotom: %d\tanchor: %d",m_top,m_bottom,m_anchor);
+    }
+    inline int count()const
+    {
+        return m_bottom - m_top + 1;
+    }
+    int m_bottom;
+    int m_top;
+    int m_anchor;
+    QList<int>m_selected_rows;
+};
+
+/*!
+ * Helper class used for tags update after details dialog closing.
+ * @author Vladimir Kuznetsov <vovanec@gmail.com>
+ */
+class TagUpdater : public QObject
+{
+    Q_OBJECT
+    QObject* m_observable;
+    PlayListItem* m_item;
+public:
+    TagUpdater(QObject* o, PlayListItem* item);
+protected slots:
+    void updateTag();
+};
+
+
+class PlayListModel : public QObject
+{
+    Q_OBJECT
+public:
+    PlayListModel(QObject *parent = 0);
+
+    ~PlayListModel();
+
+    int count();
+    PlayListItem* currentItem();
+    int row(PlayListItem* item)const
+    {
+        return m_items.indexOf(item);
+    }
+    PlayListItem* item(int row)const
+    {
+        return m_items.at(row);
+    }
+    int currentRow();
+    bool setCurrent (int);
+    bool isSelected(int);
+    void setSelected(int, bool);
+
+    bool next();
+    bool previous();
+
+    QList <QString> getTitles(int,int);
+    QList <QString> getTimes(int,int);
+
+    void moveItems(int from,int to);
+
+    /*!
+     * Returns \b true if \b f file is in play queue, else return \b false
+     */
+    bool isQueued(PlayListItem* item) const;
+
+    bool isRepeatableList()const
+    {
+        return is_repeatable_list;
+    }
+
+    /*!
+     * Sets current song to the file that is nex in queue, if queue is empty - does nothing
+     */
+    void setCurrentToQueued();
+
+    /*!
+     * Returns \b true if play queue is empty,otherwise - \b false.
+     */
+    bool isEmptyQueue()const;
+
+    /*!
+     * Returns index of \b f file in queue.e
+     */
+    int queuedIndex(PlayListItem* item)const
+    {
+        return m_queued_songs.indexOf(item);
+    }
+
+    /*!
+     * Returns current selection(playlist can contain a lot of selections,
+     * this method returns selection which \b row belongs to)
+     */
+    const SimpleSelection& getSelection(int row);
+
+    /*!
+     * Returns vector with selected rows indexes.
+     */
+    QList<int> getSelectedRows()const;
+    /*!
+     * Returns vector of \b PlayListItem pointers that are selected.
+     */
+    QList<PlayListItem*> getSelectedItems()const;
+
+    QList<PlayListItem*> items()const
+    {
+        return m_items;
+    }
+
+    /*!
+     * Returns number of first item that selected upper the \b row item.
+     */
+    int firstSelectedUpper(int row);
+
+    /*!
+     * Returns number of first item that selected lower the \b row item.
+     */
+    int firstSelectedLower(int row);
+
+    /*!
+     * Returns total lenght in seconds of all songs.
+     */
+    int totalLength()const
+    {
+        return m_total_length;
+    }
+
+    /*!
+     * Loads playlist with \b f_name name.
+     */
+    void loadPlaylist(const QString& f_name);
+
+    /*!
+     * Saves current songs to the playlist with \b f_name name.
+     */
+    void savePlaylist(const QString& f_name);
+
+    /*!
+     * Enum of available sort modes
+     */
+    enum SortMode
+    {
+        TITLE,FILENAME,PATH_AND_FILENAME,DATE,TRACK
+    };
+
+signals:
+    void listChanged();
+    void currentChanged();
+    void firstAdded();
+
+public slots:
+    void load(PlayListItem *);
+    void clear();
+    void clearSelection();
+    void removeSelected();
+    void removeUnselected();
+    void invertSelection();
+    void selectAll();
+    void showDetails();
+    void doCurrentVisibleRequest();
+
+    void addFile(const QString&);
+
+    /*!
+     * Adds the list \b l of files to the model.
+     */
+    void addFiles(const QStringList& l);
+
+    /*!
+     * Adds \b dir to the model.
+     */
+    void addDirectory(const QString& dir);
+
+    /*!
+     * Loads list of files (regular files or directories),
+     * returns \b TRUE if at least one file has been successfully loaded,
+     * otherwise \b FALSE
+     */
+    bool setFileList(const QStringList&);
+
+    void addFileList(const QStringList &l);
+
+    void randomizeList();
+    void reverseList();
+
+    /*!
+     * Prepares model for shuffle playing. \b yes parameter is true - model iterates in shuffle mode.
+     */
+    void prepareForShufflePlaying(bool yes);
+
+    /*!
+      * Prepares model for shuffle playing. \b yes parameter is true - model iterates in repeat mode.
+    */
+    void prepareForRepeatablePlaying(bool);
+
+    /*!
+     * Sorts selected items in \b mode sort mode.
+     */
+    void sortSelection(int mode);
+
+    /*!
+     * Sorts items in \b mode sort mode.
+     */
+    void sort(int mode);
+
+    /*!
+     * Adds selected items to play queue.
+     */
+    void addToQueue();
+
+    /*!
+     * Sets \b f media file to queue.
+     */
+    void setQueued(PlayListItem* f);
+
+    void preparePlayState();
+
+private:
+
+    /*!
+     * This internal method performs sorting of \b list_to_sort list of items.
+     */
+    void doSort(int mode,QList<PlayListItem*>& list_to_sort);
+    /*!
+     * Returns topmost row in current selection
+     */
+    int topmostInSelection(int);
+
+    /*!
+     * Returns bottommost row in current selection
+     */
+    int bottommostInSelection(int);
+
+    /*!
+     * Creates and initializes file loader object.
+     */
+    FileLoader* createFileLoader();
+
+
+    /*!
+     * Is someone of file loaders is running?
+     */
+    bool isFileLoaderRunning()const;
+
+    /*!
+     * Removes items from model. If \b inverted is \b false -
+     * selected items will be removed, else - unselected.
+     */
+    void removeSelection(bool inverted = false);
+
+private:
+
+    QList <PlayListItem*> m_items;
+    QList <PlayListItem*> m_editing_items;
+    PlayListItem* m_currentItem;
+
+    int m_current;
+    void readSettings();
+    void writeSettings();
+
+    void setUpdatesEnabled(bool);
+
+    bool updatesEnabled()const
+    {
+        return !m_block_update_signals;
+    }
+
+    /*!
+     * This flyweight object represents current selection.
+     */
+    SimpleSelection m_selection;
+
+    /*!
+     * Songs in play queue.
+     */
+    QList<PlayListItem*>m_queued_songs;
+
+    /*!
+     * Is playlist repeatable?
+     */
+    bool is_repeatable_list;
+
+    /// Current playing state (Normal or Shuffle)
+    PlayState* m_play_state;
+
+    bool m_block_update_signals;
+
+    int m_total_length;
+
+    typedef QPointer<FileLoader> GuardedFileLoader;
+
+    /*! Vector of currently running file loaders.
+     *  All loaders are automatically sheduled for deletion
+     * when finished.
+     */
+    QVector<GuardedFileLoader> m_running_loaders;
+
+    friend class MainWindow;
+};
+
+
+#endif
diff --git a/src/qmmpui/playstate.cpp b/src/qmmpui/playstate.cpp
new file mode 100644
index 000000000..373619574
--- /dev/null
+++ b/src/qmmpui/playstate.cpp
@@ -0,0 +1,138 @@
+/***************************************************************************
+ *   Copyright (C) 2006 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 <playstate.h>
+
+ShufflePlayState::ShufflePlayState(PlayListModel * model) : PlayState(model)
+{
+    prepare();
+}
+
+bool ShufflePlayState::next()
+{
+    int itm_count = m_model->items().count();
+
+    if (itm_count > 0)
+    {
+        if (m_shuffled_current >= m_shuffled_indexes.count() -1 )
+        {
+            if (!m_model->isRepeatableList())
+                return FALSE;
+            else
+                prepare();
+        }
+
+        if (m_shuffled_current < m_shuffled_indexes.count() - 1)m_shuffled_current++;
+
+        return m_model->setCurrent(m_shuffled_indexes.at(m_shuffled_current));
+    }
+    return FALSE;
+}
+
+bool ShufflePlayState::previous()
+{
+    int itm_count = m_model->items().count();
+
+    if (itm_count > 0)
+    {
+        if (m_shuffled_current <= 0)
+        {
+            if (!m_model->isRepeatableList())
+                return FALSE;
+            else
+            {
+                prepare();
+                m_shuffled_current = m_shuffled_indexes.count() - 1;
+            }
+        }
+
+        if (itm_count > 1) m_shuffled_current --;
+
+        m_model->setCurrent(m_shuffled_indexes.at(m_shuffled_current));
+        return TRUE;
+    }
+    return FALSE;
+}
+
+void ShufflePlayState::prepare()
+{
+    resetState();
+    for (int i = 0;i < m_model->items().count();i++)
+    {
+        if (i != m_model->currentRow())
+            m_shuffled_indexes << i;
+    }
+
+    for (int i = 0;i < m_shuffled_indexes.count();i++)
+        m_shuffled_indexes.swap(qrand()%m_shuffled_indexes.size(),qrand()%m_shuffled_indexes.size());
+
+    m_shuffled_indexes.prepend(m_model->currentRow());
+}
+
+void ShufflePlayState::resetState()
+{
+    m_shuffled_indexes.clear();
+    m_shuffled_current = 0;
+}
+
+
+
+
+
+NormalPlayState::NormalPlayState(PlayListModel * model) : PlayState(model)
+{}
+
+
+bool NormalPlayState::next()
+{
+    int itm_count = m_model->items().count();
+
+    if (itm_count > 0)
+    {
+        if ( m_model->currentRow() == itm_count - 1)
+        {
+            if (m_model->isRepeatableList())
+                return m_model->setCurrent(0);
+            else
+                return FALSE;
+        }
+        return m_model->setCurrent(m_model->currentRow() + 1);
+    }
+    else
+        return FALSE;
+}
+
+bool NormalPlayState::previous()
+{
+    int itm_count = m_model->items().count();
+
+    if (itm_count > 0)
+    {
+        if ( m_model->currentRow() < 1 && !m_model->isRepeatableList())
+            return FALSE;
+        else if (m_model->setCurrent(m_model->currentRow() - 1))
+            return TRUE;
+        else if (m_model->isRepeatableList())
+            return m_model->setCurrent(m_model->items().count() - 1);
+    }
+
+    return FALSE;
+}
+
diff --git a/src/qmmpui/playstate.h b/src/qmmpui/playstate.h
new file mode 100644
index 000000000..e4af7fa6f
--- /dev/null
+++ b/src/qmmpui/playstate.h
@@ -0,0 +1,109 @@
+/***************************************************************************
+ *   Copyright (C) 2006 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.             *
+ ***************************************************************************/
+
+#ifndef _PLAYSTATE_H
+#define _PLAYSTATE_H
+
+/**
+   @author Vladimir Kuznetsov <vovanec@gmail.com>
+ */
+
+#include <playlistmodel.h>
+
+/*!
+ * Abstract class that represents data model playing states
+ */
+class PlayState
+{
+public:
+    /*! Makes single step forward through songs list.
+     *  If the step has done returns \b true, otherwise \b false
+     */
+    virtual bool next() = 0;
+
+    /*! Makes single step back through songs list.
+     *  If the step has done returns \b true, otherwise \b false
+     */
+    virtual bool previous() = 0;
+
+    /*!
+     * Service method, resets state to it's defaults.
+     */
+    virtual void resetState()
+    {
+        ;
+    };
+
+    /*!
+     * Service method, can be used for state initializing.
+     */
+    virtual void prepare()
+    {
+        ;
+    }
+    virtual ~PlayState()
+    {
+        ;
+    }
+    PlayState(PlayListModel* model) : m_model(model)
+    {
+        ;
+    }
+protected:
+
+    /// Data model
+    PlayListModel* m_model;
+};
+
+/*!
+ *  Represents normal playing state.
+ *  @author Vladimir Kuznetsov <vovanec@gmail.com>
+ */
+class NormalPlayState : public PlayState
+{
+public:
+    virtual bool next();
+    virtual bool previous();
+    NormalPlayState(PlayListModel* model);
+};
+
+/*!
+ *  Represents shuffle playing state.
+ *  @author Vladimir Kuznetsov <vovanec@gmail.com>
+ */
+class ShufflePlayState : public PlayState
+{
+public:
+    virtual bool next();
+    virtual bool previous();
+    virtual void prepare();
+    ShufflePlayState(PlayListModel* model);
+    virtual void resetState();
+private:
+
+    /// Current shuffled index.
+    int m_shuffled_current;
+
+    /// List of indexes used for shuffled playing.
+    QList<int> m_shuffled_indexes;
+};
+
+
+#endif
diff --git a/src/qmmpui/qmmpui.pro b/src/qmmpui/qmmpui.pro
index 3d60de0c8..08182560f 100644
--- a/src/qmmpui/qmmpui.pro
+++ b/src/qmmpui/qmmpui.pro
@@ -40,16 +40,22 @@ HEADERS += general.h \
            filedialog.h \
            filedialogfactory.h \
            qtfiledialog.h \
-           abstractplaylist.h \
- abstractplaylistitem.h
+           abstractplaylistitem.h \
+ playlistitem.h \
+ playlistmodel.h \
+ playstate.h \
+ fileloader.h
 SOURCES += general.cpp \
            generalhandler.cpp \
            playlistparser.cpp \
            commandlinemanager.cpp \
            filedialog.cpp \
            qtfiledialog.cpp \
-           abstractplaylist.cpp \
- abstractplaylistitem.cpp
+           abstractplaylistitem.cpp \
+ playlistmodel.cpp \
+ playstate.cpp \
+ playlistitem.cpp \
+ fileloader.cpp
 
 DESTDIR = .