added multiple playlists support

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@1363 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 200 insertions, 0 deletions

diff --git a/src/qmmpui/playlistmanager.h b/src/qmmpui/playlistmanager.h
new file mode 100644
index 000000000..d6550e063
--- /dev/null
+++ b/src/qmmpui/playlistmanager.h
@@ -0,0 +1,200 @@
+/***************************************************************************
+ *   Copyright (C) 2009 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 PLAYLISTMANAGER_H
+#define PLAYLISTMANAGER_H
+
+#include <QObject>
+#include "playlistmodel.h"
+
+/*!
+ * @author Ilya Kotov <forkotov02@hotmail.ru>
+ */
+class PlayListManager : public QObject
+{
+Q_OBJECT
+public:
+    PlayListManager(QObject *parent);
+    ~PlayListManager();
+
+    QList <PlayListModel *> playLists() const;
+    QStringList playListNames() const;
+    PlayListModel *selectedPlayList() const;
+    PlayListModel *currentPlayList() const;
+    int count();
+    int indexOf(PlayListModel *model);
+    PlayListModel *playListAt(int i);
+    /*!
+     * Returns state of the "Convert underscores to blanks" option (\b true - enabled, \b false - disabled).
+     */
+    bool convertUnderscore();
+    /*!
+     * Returns state of the "Convert %20 to blanks" option (\b true - enabled, \b false - disabled).
+     */
+    bool convertTwenty();
+    /*!
+     * Returns the state of metadata usage (\b true - use, \b false - not use).
+     */
+    bool useMetadata();
+    /*!
+     * Returns title format string.
+     */
+    const QString format() const;
+    /*!
+     * Sets the "Convert underscores to blanks" option state to \b enabled
+     * @param enabled Option state (\b true - enabled, \b false - disabled)
+     */
+    void setConvertUnderscore(bool enabled);
+    /*!
+     * Sets the "Convert %20 to blanks" option state to \b enabled
+     * @param enabled Option state (\b true - enabled, \b false - disabled)
+     */
+    void setConvertTwenty(bool enabled);
+    /*!
+     * Sets metadata usage option state to \b enabled
+     * @param enabled Option state (\b true - enabled, \b false - disabled)
+     */
+    void setUseMetadata(bool enabled);
+    /*!
+     * Sets short title format
+     * @param format title format. (Expressions: "%p" - artist, "%a" - album, "%t" - title, "%n" - track,
+     * "%g" - genre, "%c" - comment, "%C" - composer, "%D" - disc number "%f" - file name, "
+     * %F" - full path, "%y" - year)
+     */
+    void setFormat(const QString &format);
+    /*!
+     * Returns state of "Repeat All" option.
+     */
+    bool isRepeatableList() const;
+    /*!
+     * Returns state of "Shuffle" option.
+     */
+    bool isShuffle() const;
+
+signals:
+    void currentPlayListChanged (PlayListModel *current, PlayListModel *previous);
+    void selectedPlayListChanged (PlayListModel *selected, PlayListModel *previous);
+    void playListAdded(int index);
+    void playListRemoved(int index);
+    /*!
+     * Emitted when state of the "Repeat All" option has changed.
+     * @param state New state of the "Repeat All" option (\b true - enabled, \b false disabled)
+     */
+    void repeatableListChanged(bool state);
+    /*!
+     * Emitted when state of the "Shuffle" option has changed.
+     * @param state New state of the "Shuffle" option (\b true - enabled, \b false disabled)
+     */
+    void shuffleChanged(bool state);
+    /*!
+     * Emitted when other settings (format, metadata, etc) have changed.
+     */
+    void settingsChanged();
+
+public slots:
+    void selectPlayList(PlayListModel *model);
+    void selectPlayList(int index);
+    void activatePlayList(PlayListModel *model);
+    PlayListModel *createPlayList(const QString &name = QString());
+    void removePlayList(PlayListModel *model);
+    void setRepeatableList(bool r);
+    void setShuffle(bool s);
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->clear()
+     */
+    void clear();
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->clearSelection()
+     */
+    void clearSelection();
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->removeSelected()
+     */
+    void removeSelected();
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->removeUnselected()
+     */
+    void removeUnselected();
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->removeAt(i)
+     */
+    void removeAt (int i);
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->removeItem(item)
+     */
+    void removeItem (PlayListItem *item);
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->invertSelection()
+     */
+    void invertSelection();
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->selectAll()
+     */
+    void selectAll();
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->showDetails()
+     */
+    void showDetails();
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->addFile(path)
+     */
+    void addFile(const QString &path);
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->addFiles(l)
+     */
+    void addFiles(const QStringList& l);
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->addDirectory(dir)
+     */
+    void addDirectory(const QString& dir);
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->randomizeList()
+     */
+    void randomizeList();
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->reverseList()
+     */
+    void reverseList();
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->sortSelection(mode)
+     */
+    void sortSelection(int mode);
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->sort(mode)
+     */
+    void sort(int mode);
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->addToQueue()
+     */
+    void addToQueue();
+    /*!
+     * This is a convenience function and is the same as calling \b selectedPlayList()->clearInvalidItems()
+     */
+    void clearInvalidItems();
+
+private:
+    void readPlayLists();
+    void writePlayLists();
+    QList <PlayListModel *> m_models;
+    PlayListModel *m_current;
+    PlayListModel *m_selected;
+    bool m_repeatable, m_shuffle;
+};
+
+#endif // PLAYLISTMANAGER_H