kalarm/resourcemodelview.h

   1 /*
   2  *  resourcemodelview.h  -  model/view classes for alarm resource lists
   3  *  Program:  kalarm
   4  *  Copyright © 2007,2008,2011 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 "resources/alarmresource.h"
  27 #include "resources/alarmresources.h"
  28
  29 #include <QAbstractListModel>
  30 #include <QSortFilterProxyModel>
  31 #include <QItemDelegate>
  32 #include <QListView>
  33 #include <QList>
  34 #include <QFont>
  35 #include <QColor>
  36
  37 using namespace KAlarmCal;
  38
  39 class ResourceModel : public QAbstractListModel
  40 {
  41         Q_OBJECT
  42     public:
  43         static ResourceModel* instance(QObject* parent = 0);
  44         virtual int      rowCount(const QModelIndex& parent = QModelIndex()) const;
  45         virtual QModelIndex index(int row, int column, const QModelIndex& parent) const;
  46         virtual QVariant data(const QModelIndex&, int role = Qt::DisplayRole) const;
  47         virtual bool     setData(const QModelIndex&, const QVariant& value, int role = Qt::EditRole);
  48         virtual Qt::ItemFlags flags(const QModelIndex&) const;
  49         AlarmResource*   resource(const QModelIndex&) const;
  50         void             removeResource(AlarmResource*);
  51         void             notifyChange(const QModelIndex&);
  52
  53     private slots:
  54         void             refresh();
  55         void             addResource(AlarmResource*);
  56         void             updateResource(AlarmResource*);
  57         void             slotStandardChanged(CalEvent::Type);
  58         void             slotLoaded(AlarmResource*, bool active);
  59         void             slotStatusChanged(AlarmResource*, AlarmResources::Change);
  60
  61     private:
  62         explicit ResourceModel(QObject* parent = 0);
  63
  64         static ResourceModel* mInstance;
  65         QList<AlarmResource*> mResources;
  66         QString               mErrorPrompt;
  67         QFont                 mFont;
  68 };
  69
  70
  71 class ResourceFilterModel : public QSortFilterProxyModel
  72 {
  73         Q_OBJECT
  74     public:
  75         ResourceFilterModel(QAbstractItemModel* baseModel, QObject* parent);
  76         void           setFilter(CalEvent::Type);
  77         AlarmResource* resource(int row) const;
  78         AlarmResource* resource(const QModelIndex&) const;
  79         void           notifyChange(int row);
  80         void           notifyChange(const QModelIndex&);
  81
  82     protected:
  83         virtual bool filterAcceptsRow(int sourceRow, const QModelIndex& sourceParent) const;
  84
  85     private:
  86         CalEvent::Type mResourceType;
  87 };
  88
  89
  90 class ResourceView : public QListView
  91 {
  92         Q_OBJECT
  93     public:
  94         explicit ResourceView(QWidget* parent = 0)  : QListView(parent) {}
  95         virtual void   setModel(QAbstractItemModel*);
  96         AlarmResource* resource(int row) const;
  97         AlarmResource* resource(const QModelIndex&) const;
  98         void           notifyChange(int row) const;
  99         void           notifyChange(const QModelIndex&) const;
 100
 101     protected:
 102         virtual void   mouseReleaseEvent(QMouseEvent*);
 103         virtual bool   viewportEvent(QEvent*);
 104 };
 105
 106
 107 class ResourceDelegate : public QItemDelegate
 108 {
 109         Q_OBJECT
 110     public:
 111         explicit ResourceDelegate(ResourceView* parent = 0)  : QItemDelegate(parent) {}
 112         virtual bool editorEvent(QEvent*, QAbstractItemModel*, const QStyleOptionViewItem&, const QModelIndex&);
 113 };
 114
 115 #endif // RESOURCEMODELVIEW_H
 116
 117 // vim: et sw=4: