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kviewstatemaintainer.cpp
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1/*
2 Copyright (C) 2010 Klarälvdalens Datakonsult AB,
3 a KDAB Group company, info@kdab.net,
4 author Stephen Kelly <stephen@kdab.com>
5
6 This library is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Library General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or (at your
9 option) any later version.
10
11 This library is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
14 License for more details.
15
16 You should have received a copy of the GNU Library General Public License
17 along with this library; see the file COPYING.LIB. If not, write to the
18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 02110-1301, USA.
20*/
21
22#include "kviewstatemaintainer.h"
23
24#include <QtCore/QWeakPointer>
25
26class KViewStateMaintainerBasePrivate
27{
28 KViewStateMaintainerBasePrivate(KConfigGroup configGroup, KViewStateMaintainerBase *qq)
29 : q_ptr(qq), m_configGroup(configGroup)
30 {
31
32 }
33
34 Q_DECLARE_PUBLIC(KViewStateMaintainerBase)
35 KViewStateMaintainerBase * const q_ptr;
36
37 void _k_modelAboutToBeReset();
38 void _k_modelReset();
39
40 QWeakPointer<QAbstractItemView> m_view;
41 QWeakPointer<QItemSelectionModel> m_selectionModel;
42
43 const KConfigGroup m_configGroup;
44};
45
46void KViewStateMaintainerBasePrivate::_k_modelAboutToBeReset()
47{
48 Q_Q(KViewStateMaintainerBase);
49 q->saveState();
50}
51
52void KViewStateMaintainerBasePrivate::_k_modelReset()
53{
54 Q_Q(KViewStateMaintainerBase);
55 q->restoreState();
56}
57
58KViewStateMaintainerBase::KViewStateMaintainerBase(KConfigGroup configPtr, QObject* parent)
59 : QObject(parent), d_ptr(new KViewStateMaintainerBasePrivate(configPtr, this))
60{
61
62}
63
64KViewStateMaintainerBase::~KViewStateMaintainerBase()
65{
66 delete d_ptr;
67}
68
69KConfigGroup KViewStateMaintainerBase::configGroup() const
70{
71 Q_D(const KViewStateMaintainerBase);
72 return d->m_configGroup;
73}
74
75QItemSelectionModel* KViewStateMaintainerBase::selectionModel() const
76{
77 Q_D(const KViewStateMaintainerBase);
78 if (d->m_selectionModel.isNull())
79 return 0;
80 return d->m_selectionModel.data();
81}
82
83void KViewStateMaintainerBase::setSelectionModel(QItemSelectionModel* selectionModel)
84{
85 Q_D(KViewStateMaintainerBase);
86 d->m_selectionModel = selectionModel;
87
88 if (d->m_view && d->m_view.data()->model()) {
89 disconnect(d->m_view.data()->model(), SIGNAL(modelAboutToBeReset()), this, SLOT(_k_modelAboutToBeReset()));
90 disconnect(d->m_view.data()->model(), SIGNAL(modelReset()), this, SLOT(_k_modelReset()));
91 }
92 connect(d->m_selectionModel.data()->model(), SIGNAL(modelAboutToBeReset()), SLOT(_k_modelAboutToBeReset()), Qt::UniqueConnection);
93 connect(d->m_selectionModel.data()->model(), SIGNAL(modelReset()), SLOT(_k_modelReset()), Qt::UniqueConnection);
94}
95
96QAbstractItemView* KViewStateMaintainerBase::view() const
97{
98 Q_D(const KViewStateMaintainerBase);
99 if (d->m_view.isNull())
100 return 0;
101 return d->m_view.data();
102}
103
104void KViewStateMaintainerBase::setView(QAbstractItemView* view)
105{
106 Q_D(KViewStateMaintainerBase);
107 d->m_view = view;
108
109 if (d->m_selectionModel && d->m_selectionModel.data()->model()) {
110 disconnect(d->m_selectionModel.data()->model(), SIGNAL(modelAboutToBeReset()), this, SLOT(_k_modelAboutToBeReset()));
111 disconnect(d->m_selectionModel.data()->model(), SIGNAL(modelReset()), this, SLOT(_k_modelReset()));
112 }
113 if (d->m_view && d->m_view.data()->model()) {
114 connect(d->m_view.data()->model(), SIGNAL(modelAboutToBeReset()), SLOT(_k_modelAboutToBeReset()), Qt::UniqueConnection);
115 connect(d->m_view.data()->model(), SIGNAL(modelReset()), SLOT(_k_modelReset()), Qt::UniqueConnection);
116 }
117}
118
119#include "kviewstatemaintainer.moc"
KConfigGroup
KViewStateMaintainerBase
Definition: kviewstatemaintainer.h:36
KViewStateMaintainerBase::configGroup
KConfigGroup configGroup() const
Definition: kviewstatemaintainer.cpp:69
KViewStateMaintainerBase::setView
void setView(QAbstractItemView *view)
Definition: kviewstatemaintainer.cpp:104
KViewStateMaintainerBase::~KViewStateMaintainerBase
~KViewStateMaintainerBase()
Definition: kviewstatemaintainer.cpp:64
KViewStateMaintainerBase::KViewStateMaintainerBase
KViewStateMaintainerBase(KConfigGroup configGroup, QObject *parent=0)
Definition: kviewstatemaintainer.cpp:58
KViewStateMaintainerBase::view
QAbstractItemView * view() const
Definition: kviewstatemaintainer.cpp:96
KViewStateMaintainerBase::selectionModel
QItemSelectionModel * selectionModel() const
Definition: kviewstatemaintainer.cpp:75
KViewStateMaintainerBase::setSelectionModel
void setSelectionModel(QItemSelectionModel *selectionModel)
Definition: kviewstatemaintainer.cpp:83
QItemSelectionModel
QObject
kviewstatemaintainer.h
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