kalarm/resourcemodelview.h

   1 /*
   2  *  resourcemodelview.h  -  model/view classes for alarm resource lists
   3  *  Program:  kalarm
   4  *  Copyright © 2007,2008,2010 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(KAlarm::CalEvent::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         Q_OBJECT
  73     public:
  74         ResourceFilterModel(QAbstractItemModel* baseModel, QObject* parent);
  75         void           setFilter(KAlarm::CalEvent::Type);
  76         AlarmResource* resource(int row) const;
  77         AlarmResource* resource(const QModelIndex&) const;
  78         void           notifyChange(int row);
  79         void           notifyChange(const QModelIndex&);
  80
  81     protected:
  82         virtual bool filterAcceptsRow(int sourceRow, const QModelIndex& sourceParent) const;
  83
  84     private:
  85         KAlarm::CalEvent::Type mResourceType;
  86 };
  87
  88
  89 class ResourceView : public QListView
  90 {
  91         Q_OBJECT
  92     public:
  93         ResourceView(QWidget* parent = 0)  : QListView(parent) {}
  94         virtual void   setModel(QAbstractItemModel*);
  95         AlarmResource* resource(int row) const;
  96         AlarmResource* resource(const QModelIndex&) const;
  97         void           notifyChange(int row) const;
  98         void           notifyChange(const QModelIndex&) const;
  99
 100     protected:
 101         virtual void   mouseReleaseEvent(QMouseEvent*);
 102         virtual bool   viewportEvent(QEvent*);
 103 };
 104
 105
 106 class ResourceDelegate : public QItemDelegate
 107 {
 108         Q_OBJECT
 109     public:
 110         ResourceDelegate(ResourceView* parent = 0)  : QItemDelegate(parent) {}
 111         virtual bool editorEvent(QEvent*, QAbstractItemModel*, const QStyleOptionViewItem&, const QModelIndex&);
 112 };
 113
 114 #endif // RESOURCEMODELVIEW_H
 115
 116 // vim: et sw=4: