source: src/mvc/eventmodel.h @ e662750

qt5
Last change on this file since e662750 was e662750, checked in by timkoma <timkoma@…>, 13 years ago

first working version of the search

  • Property mode set to 100644
File size: 1.7 KB
Line 
1#ifndef EVENTMODEL_H
2#define EVENTMODEL_H
3
4#include <QAbstractItemModel>
5
6#include "event.h"
7
8class EventModel : public QAbstractItemModel
9{
10public:
11    static const QString COMMA_SEPARATOR;
12public:
13    EventModel();
14    QVariant data(const QModelIndex& index, int role) const;
15    QModelIndex index(int row, int column, const QModelIndex & parent = QModelIndex()) const;
16    QModelIndex parent ( const QModelIndex & index ) const;
17    int columnCount ( const QModelIndex & parent = QModelIndex() ) const;
18    int rowCount ( const QModelIndex & parent = QModelIndex() ) const;
19    void loadEvents(const QDate &aDate, int aConferenceId); // loads Events from the DB
20    void loadFavEvents(const QDate &aDate, int aConferenceId); // loads Favourite events from the DB
21    void loadEventsByTrack(const QDate &aDate, int aConferenceId); // loads Events grouped by Track from the DB
22    void loadSearchResultEvents(const QDate &aDate, int aConferenceId);
23    // a method to force 'EventModel' emit signal 'dataChanged()'
24    // a 'view', eg. 'TreeView' listens for this signal and redraws changed items(indexes)
25    void emitDataChangedSignal(const QModelIndex &aTopLeft, const QModelIndex &aBottomRight);
26
27private:
28    struct Group
29    {
30        Group(const QString & title,
31              int firstEventIndex) :
32
33            mTitle(title),
34            mFirstEventIndex(firstEventIndex),
35            mChildCount(0)
36        {}
37
38        QString mTitle;
39        int mFirstEventIndex;
40        int mChildCount;
41    };
42
43private:
44    void createTimeGroups();
45    void createTrackGroups();
46    void clearModel();
47
48private:
49    QList<Event> mEvents;
50    QList<Group> mGroups;
51    QHash<int, int> mParents;
52};
53
54#endif // EVENTMODEL_H
55
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