src/Statistics.h

   1 /***************************************************************************
   2  * copyright            : (C) 2005-2006 Seb Ruiz <ruiz@kde.org>            *
   3  **************************************************************************/
   4
   5 /***************************************************************************
   6  *                                                                         *
   7  *   This program is free software; you can redistribute it and/or modify  *
   8  *   it under the terms of the GNU General Public License as published by  *
   9  *   the Free Software Foundation; either version 2 of the License, or     *
  10  *   (at your option) any later version.                                   *
  11  *                                                                         *
  12  ***************************************************************************/
  13
  14 #ifndef AMAROK_STATISTICS_H
  15 #define AMAROK_STATISTICS_H
  16
  17 #include "MainWindow.h"
  18
  19 #include <K3ListView>   //baseclass
  20 #include <KDialog>      //baseclass
  21
  22
  23 class KLineEdit;
  24 class QColor;
  25 class QTimer;
  26
  27 class StatisticsList;
  28 class StatisticsItem;
  29 class StatisticsDetailedItem;
  30
  31 class Statistics : public KDialog
  32 {
  33         Q_OBJECT
  34
  35     public:
  36         explicit Statistics( QWidget *parent = 0, const char *name = 0 );
  37         ~Statistics();
  38
  39         static Statistics *instance() { return s_instance; }
  40
  41     private slots:
  42         void    slotSetFilter();
  43         void    slotSetFilterTimeout();
  44
  45     private:
  46         StatisticsList *m_listView;
  47         KLineEdit  *m_lineEdit;
  48         QTimer         *m_timer;
  49
  50         static Statistics *s_instance;
  51 };
  52
  53 class StatisticsList : public K3ListView
  54 {
  55         Q_OBJECT
  56
  57     public:
  58         explicit StatisticsList( QWidget *parent, const char *name=0 );
  59         ~StatisticsList() {}
  60
  61         QString filter()                           { return m_filter; }
  62         void    setFilter( const QString &filter ) { m_filter = filter; }
  63         void    renderView();
  64         void    refreshView();
  65
  66     private slots:
  67         void    clearHover();
  68         void    itemClicked( Q3ListViewItem *item );
  69         void    showContextMenu( Q3ListViewItem *item, const QPoint &p, int );
  70         void    startHover( Q3ListViewItem *item );
  71
  72     private:
  73         void    startDrag();
  74         void    viewportPaintEvent( QPaintEvent* );
  75         void    expandInformation( StatisticsItem *item, bool refresh=false );
  76         static QString subText( const QString &score, const QString &rating );
  77
  78         StatisticsItem *m_trackItem;
  79         StatisticsItem *m_mostplayedItem;
  80         StatisticsItem *m_artistItem;
  81         StatisticsItem *m_albumItem;
  82         StatisticsItem *m_genreItem;
  83         StatisticsItem *m_newestItem;
  84
  85         Q3ListViewItem  *m_currentItem;
  86         QString         m_filter;
  87         bool            m_expanded;
  88 };
  89
  90 /// The listview items which are the headers for the categories
  91 class StatisticsItem : public QObject, public K3ListViewItem
  92 {
  93         Q_OBJECT
  94
  95     public:
  96         StatisticsItem( QString text, StatisticsList *parent, K3ListViewItem *after=0, const char *name=0 );
  97         ~StatisticsItem() {}
  98
  99         void    paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int align );
 100         void    paintFocus( QPainter*, const QColorGroup& , const QRect& ) {}  //reimp
 101         void    setIcon( const QString &icon );
 102
 103         void    enterHover();
 104         void    leaveHover();
 105
 106         void       setExpanded( const bool b ) { m_isExpanded = b; }
 107         const bool isExpanded() { return m_isExpanded; }
 108
 109         void    setSubtext( QString t ) { m_subText = t; }
 110
 111         int     rtti() const { return RTTI; }
 112         static  const int RTTI = 1000;    //header item
 113
 114     protected:
 115         static const int ANIM_INTERVAL = 18;
 116         static const int ANIM_MAX = 20;
 117
 118     private slots:
 119         void slotAnimTimer();
 120
 121     private:
 122         QColor  blendColors( const QColor& color1, const QColor& color2, int percent );
 123
 124         QTimer *m_animTimer;
 125         bool    m_animEnter;
 126         int     m_animCount;
 127
 128         bool    m_isActive;
 129         bool    m_isExpanded;
 130
 131         QString m_subText;
 132 };
 133
 134 /// Listview items for the children of expanded items (the actual results)
 135 class StatisticsDetailedItem : public K3ListViewItem
 136 {
 137     public:
 138         StatisticsDetailedItem( const QString &text, const QString &subtext, StatisticsItem *parent,
 139                                 StatisticsDetailedItem *after=0, const char *name=0 );
 140         ~StatisticsDetailedItem() {}
 141
 142         enum    ItemType { NONE, TRACK, ARTIST, ALBUM, GENRE, HISTORY };
 143
 144         void    setup();
 145         void    paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int align );
 146
 147         void    setItemType( const ItemType t ) { m_type = t; }
 148         const   ItemType itemType() { return m_type; }
 149
 150         void    setUrl( QString &url ) { m_url = url; }
 151         const   QString url() { return m_url; }
 152
 153         void    setSubtext( QString t ) { m_subText = t; }
 154         QString getSQL(); //get the sql query for all the urls the item represents
 155         KUrl::List getURLs();
 156
 157         void    paintFocus( QPainter*, const QColorGroup& , const QRect& ) {}  //reimp
 158
 159         int     rtti() const { return RTTI; }
 160         static  const int RTTI = 1001;    //detailed item
 161
 162     private:
 163         ItemType m_type;
 164         QString  m_url;
 165         QString  m_subText;
 166 };
 167
 168
 169 #endif /* AMAROK_STATISTICS_H */