kalarm/resourcemodelview.h

   1 /*
   2  *  resourcemodelview.h  -  model/view classes for alarm resource lists
   3  *  Program:  kalarm
   4  *  Copyright © 2007,2008 by David Jarvie <djarvie@kde.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License along
  17  *  with this program; if not, write to the Free Software Foundation, Inc.,
  18  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  */
  20
  21 #ifndef RESOURCEMODELVIEW_H
  22 #define RESOURCEMODELVIEW_H
  23
  24 #include "kalarm.h"
  25
  26 #include <QAbstractListModel>
  27 #include <QSortFilterProxyModel>
  28 #include <QItemDelegate>
  29 #include <QListView>
  30 #include <QList>
  31 #include <QFont>
  32 #include <QColor>
  33
  34 #include "resources/alarmresource.h"
  35 #include "resources/alarmresources.h"
  36
  37
  38 class ResourceModel : public QAbstractListModel
  39 {
  40                 Q_OBJECT
  41         public:
  42                 static ResourceModel* instance(QObject* parent = 0);
  43                 virtual int      rowCount(const QModelIndex& parent = QModelIndex()) const;
  44                 virtual QModelIndex index(int row, int column, const QModelIndex& parent) const;
  45                 virtual QVariant data(const QModelIndex&, int role = Qt::DisplayRole) const;
  46                 virtual bool     setData(const QModelIndex&, const QVariant& value, int role = Qt::EditRole);
  47                 virtual Qt::ItemFlags flags(const QModelIndex&) const;
  48                 AlarmResource*   resource(const QModelIndex&) const;
  49                 void             removeResource(AlarmResource*);
  50                 void             notifyChange(const QModelIndex&);
  51
  52         private slots:
  53                 void             refresh();
  54                 void             addResource(AlarmResource*);
  55                 void             updateResource(AlarmResource*);
  56                 void             slotStandardChanged(AlarmResource::Type);
  57                 void             slotLoaded(AlarmResource*, bool active);
  58                 void             slotStatusChanged(AlarmResource*, AlarmResources::Change);
  59
  60         private:
  61                 explicit ResourceModel(QObject* parent = 0);
  62
  63                 static ResourceModel* mInstance;
  64                 QList<AlarmResource*> mResources;
  65                 QString               mErrorPrompt;
  66                 QFont                 mFont;
  67 };
  68
  69
  70 class ResourceFilterModel : public QSortFilterProxyModel
  71 {
  72         public:
  73                 ResourceFilterModel(QAbstractItemModel* baseModel, QObject* parent);
  74                 void           setFilter(AlarmResource::Type);
  75                 AlarmResource* resource(int row) const;
  76                 AlarmResource* resource(const QModelIndex&) const;
  77                 void           notifyChange(int row);
  78                 void           notifyChange(const QModelIndex&);
  79
  80         protected:
  81                 virtual bool filterAcceptsRow(int sourceRow, const QModelIndex& sourceParent) const;
  82
  83         private:
  84                 AlarmResource::Type mResourceType;
  85 };
  86
  87
  88 class ResourceView : public QListView
  89 {
  90         public:
  91                 ResourceView(QWidget* parent = 0)  : QListView(parent) {}
  92                 virtual void   setModel(QAbstractItemModel*);
  93                 AlarmResource* resource(int row) const;
  94                 AlarmResource* resource(const QModelIndex&) const;
  95                 void           notifyChange(int row) const;
  96                 void           notifyChange(const QModelIndex&) const;
  97
  98         protected:
  99                 virtual void   mouseReleaseEvent(QMouseEvent*);
 100                 virtual bool   viewportEvent(QEvent*);
 101 };
 102
 103
 104 class ResourceDelegate : public QItemDelegate
 105 {
 106         public:
 107                 ResourceDelegate(ResourceView* parent = 0)  : QItemDelegate(parent) {}
 108                 virtual bool editorEvent(QEvent*, QAbstractItemModel*, const QStyleOptionViewItem&, const QModelIndex&);
 109 };
 110
 111 #endif // RESOURCEMODELVIEW_H
 112