File indexing completed on 2023-05-30 11:30:53

 /**
  * Copyright (C) 2003-2004 Scott Wheeler <wheeler@kde.org>
  * Copyright (C) 2007 Michael Pyne <mpyne@kde.org>
  *
  * 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, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef JUK_VIEWMODE_H
 #define JUK_VIEWMODE_H
 
 #include <QObject>
 #include <QStringList>
 #include <QMap>
 
 #include "playlistbox.h"
 
 class QPainter;
 class QColorGroup;
 
 
 class ViewMode : public QObject
 {
     Q_OBJECT
 
 public:
     explicit ViewMode(PlaylistBox *b);
     virtual ~ViewMode();
 
     virtual QString name() const;
     virtual void setShown(bool shown);
 
     /*virtual void paintCell(PlaylistBox::Item *item,
                            QPainter *painter,
                            const QColorGroup &colorGroup,
                            int column, int width, int align);*/
 
     virtual bool eventFilter(QObject *watched, QEvent *e) override;
     void queueRefresh() { m_needsRefresh = true; }
 
     virtual void setupItem(PlaylistBox::Item *item) const;
 
     virtual void setupDynamicPlaylists() {}
 
     /**
      * If the view mode has dynamic lists, this function is used to temporarily
      * freeze them to prevent them from deleting dynamic elements.
      */
     virtual void setDynamicListsFrozen(bool /* frozen */) {}
 
     /**
      * Used for dynamic view modes.  This function will be called when \p items
      * are added to \p column (even if the view mode hasn't been shown yet).
      */
     virtual void addItems(const QStringList &items, unsigned column)
     {
         Q_UNUSED(items);
         Q_UNUSED(column);
     }
 
     /**
      * Used for dynamic view modes.  This function will be called when \p item
      * is removed from \p column (even if the view mode hasn't been shown yet).
      */
     virtual void removeItem(const QString &item, unsigned column)
     {
         Q_UNUSED(item);
         Q_UNUSED(column);
     }
 
 protected:
     PlaylistBox *playlistBox() const { return m_playlistBox; }
     bool visible() const { return m_visible; }
     void setVisible(bool v) { m_visible = v; }
     void updateIcons();
     static void paintDropIndicator(QPainter *painter, int width, int height);
 
 private:
     PlaylistBox *m_playlistBox;
     bool m_visible;
     bool m_needsRefresh;
     QMap<PlaylistBox::Item *, QStringList> m_lines;
     static const int border = 4;
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 
 class CompactViewMode : public ViewMode
 {
     Q_OBJECT
 
 public:
     explicit CompactViewMode(PlaylistBox *b);
     virtual ~CompactViewMode();
 
     virtual QString name() const override;
     virtual void setShown(bool shown) override;
 
     virtual void setupItem(PlaylistBox::Item *item) const override
     {
         item->setup();
     }
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 
 class TreeViewItemPlaylist;
 
 class TreeViewMode final : public CompactViewMode
 {
     Q_OBJECT
 
 public:
     explicit TreeViewMode(PlaylistBox *l);
     virtual ~TreeViewMode();
 
     virtual QString name() const override;
     virtual void setShown(bool shown) override;
     virtual void setupDynamicPlaylists() override;
     virtual void setDynamicListsFrozen(bool frozen) override;
 
     virtual void removeItem(const QString &item, unsigned column) override;
     virtual void addItems(const QStringList &items, unsigned column) override;
 
 signals:
     void signalPlaylistDestroyed(Playlist*);
 
 private:
     QMap<QString, PlaylistBox::Item*> m_searchCategories;
     QMap<QString, TreeViewItemPlaylist*> m_treeViewItems;
     QStringList m_pendingItemsToRemove;
     bool m_dynamicListsFrozen;
     bool m_setup;
 };
 
 #endif
 
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