1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
* Copyright (C) 2011 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Jim Nelson <jim@yorba.org>
*/
#ifndef GALLERY_CONTAINER_SOURCE_H_
#define GALLERY_CONTAINER_SOURCE_H_
#include "data-object.h"
#include "data-source.h"
#include "view-collection.h"
#include <QObject>
#include <QSet>
/**
* A ContainerSource is a DataSource that holds other DataSources. Generally
* these are used for organizational features.
*/
class ContainerSource : public DataSource
{
Q_OBJECT
Q_PROPERTY(int containedCount READ containedCount NOTIFY containerContentsChanged)
signals:
void containerContentsChanged(const QSet<DataObject*>* added,
const QSet<DataObject*>* removed);
public:
ContainerSource(QObject * parent, const QString &name, DataObjectComparator comparator);
void attach(DataObject* object);
void attachMany(const QSet<DataObject*>& objects);
void detach(DataObject* object, bool notify);
void detachMany(const QSet<DataObject*>& objects);
bool contains(DataObject* object) const;
bool containsAll(ContainerSource* collection) const;
int containedCount() const;
const ViewCollection* contained() const;
protected:
virtual void notifyContainerContentsChanged(const QSet<DataObject*>* added,
const QSet<DataObject*>* removed);
private slots:
void onContentsChanged(const QSet<DataObject*>* added,
const QSet<DataObject*>* removed,
bool notify);
private:
ViewCollection m_contained;
};
#endif // GALLERY_CONTAINER_SOURCE_H_
|