mirror of
https://bitbucket.org/smil3y/kdelibs.git
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119 lines
3.8 KiB
C++
119 lines
3.8 KiB
C++
/*
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Copyright (C) 2010 Klarälvdalens Datakonsult AB,
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a KDAB Group company, info@kdab.net,
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author Stephen Kelly <stephen@kdab.com>
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This library is free software; you can redistribute it and/or modify it
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under the terms of the GNU Library General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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This library is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA.
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*/
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#include "kviewstatemaintainer.h"
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#include <QtCore/QWeakPointer>
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class KViewStateMaintainerBasePrivate
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{
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KViewStateMaintainerBasePrivate(KConfigGroup configGroup, KViewStateMaintainerBase *qq)
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: q_ptr(qq), m_configGroup(configGroup)
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{
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}
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Q_DECLARE_PUBLIC(KViewStateMaintainerBase)
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KViewStateMaintainerBase * const q_ptr;
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void _k_modelAboutToBeReset();
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void _k_modelReset();
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QWeakPointer<QAbstractItemView> m_view;
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QWeakPointer<QItemSelectionModel> m_selectionModel;
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const KConfigGroup m_configGroup;
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};
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void KViewStateMaintainerBasePrivate::_k_modelAboutToBeReset()
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{
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Q_Q(KViewStateMaintainerBase);
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q->saveState();
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}
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void KViewStateMaintainerBasePrivate::_k_modelReset()
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{
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Q_Q(KViewStateMaintainerBase);
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q->restoreState();
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}
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KViewStateMaintainerBase::KViewStateMaintainerBase(KConfigGroup configPtr, QObject* parent)
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: QObject(parent), d_ptr(new KViewStateMaintainerBasePrivate(configPtr, this))
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{
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}
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KViewStateMaintainerBase::~KViewStateMaintainerBase()
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{
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delete d_ptr;
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}
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KConfigGroup KViewStateMaintainerBase::configGroup() const
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{
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Q_D(const KViewStateMaintainerBase);
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return d->m_configGroup;
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}
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QItemSelectionModel* KViewStateMaintainerBase::selectionModel() const
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{
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Q_D(const KViewStateMaintainerBase);
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if (d->m_selectionModel.isNull())
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return 0;
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return d->m_selectionModel.data();
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}
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void KViewStateMaintainerBase::setSelectionModel(QItemSelectionModel* selectionModel)
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{
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Q_D(KViewStateMaintainerBase);
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d->m_selectionModel = selectionModel;
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if (d->m_view && d->m_view.data()->model()) {
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disconnect(d->m_view.data()->model(), SIGNAL(modelAboutToBeReset()), this, SLOT(_k_modelAboutToBeReset()));
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disconnect(d->m_view.data()->model(), SIGNAL(modelReset()), this, SLOT(_k_modelReset()));
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}
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connect(d->m_selectionModel.data()->model(), SIGNAL(modelAboutToBeReset()), SLOT(_k_modelAboutToBeReset()), Qt::UniqueConnection);
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connect(d->m_selectionModel.data()->model(), SIGNAL(modelReset()), SLOT(_k_modelReset()), Qt::UniqueConnection);
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}
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QAbstractItemView* KViewStateMaintainerBase::view() const
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{
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Q_D(const KViewStateMaintainerBase);
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if (d->m_view.isNull())
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return 0;
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return d->m_view.data();
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}
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void KViewStateMaintainerBase::setView(QAbstractItemView* view)
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{
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Q_D(KViewStateMaintainerBase);
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d->m_view = view;
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if (d->m_selectionModel && d->m_selectionModel.data()->model()) {
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disconnect(d->m_selectionModel.data()->model(), SIGNAL(modelAboutToBeReset()), this, SLOT(_k_modelAboutToBeReset()));
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disconnect(d->m_selectionModel.data()->model(), SIGNAL(modelReset()), this, SLOT(_k_modelReset()));
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}
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if (d->m_view && d->m_view.data()->model()) {
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connect(d->m_view.data()->model(), SIGNAL(modelAboutToBeReset()), SLOT(_k_modelAboutToBeReset()), Qt::UniqueConnection);
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connect(d->m_view.data()->model(), SIGNAL(modelReset()), SLOT(_k_modelReset()), Qt::UniqueConnection);
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}
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}
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#include "kviewstatemaintainer.moc"
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