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87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
/*
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Copyright (c) 2009 Stephen Kelly <steveire@gmail.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 "selectionproxymodel.h"
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#include "entitytreemodel.h"
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using namespace Akonadi;
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namespace Akonadi
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{
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class SelectionProxyModelPrivate
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{
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public:
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SelectionProxyModelPrivate(SelectionProxyModel *selectionProxyModel)
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: q_ptr(selectionProxyModel)
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{
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Q_Q(SelectionProxyModel);
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foreach (const QModelIndex &rootIndex, q->sourceRootIndexes()) {
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rootIndexAdded(rootIndex);
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}
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}
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~SelectionProxyModelPrivate()
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{
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Q_Q(SelectionProxyModel);
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foreach (const QModelIndex &idx, q->sourceRootIndexes()) {
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rootIndexAboutToBeRemoved(idx);
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}
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}
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/**
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Increases the refcount of the Collection in @p newRootIndex
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*/
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void rootIndexAdded(const QModelIndex &newRootIndex)
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{
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Q_Q(SelectionProxyModel);
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// newRootIndex is already in the sourceModel.
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q->sourceModel()->setData(newRootIndex, QVariant(), EntityTreeModel::CollectionRefRole);
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q->sourceModel()->fetchMore(newRootIndex);
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}
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/**
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Decreases the refcount of the Collection in @p removedRootIndex
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*/
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void rootIndexAboutToBeRemoved(const QModelIndex &removedRootIndex)
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{
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Q_Q(SelectionProxyModel);
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q->sourceModel()->setData(removedRootIndex, QVariant(), EntityTreeModel::CollectionDerefRole);
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}
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Q_DECLARE_PUBLIC(SelectionProxyModel)
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SelectionProxyModel *q_ptr;
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};
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}
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SelectionProxyModel::SelectionProxyModel(QItemSelectionModel *selectionModel, QObject *parent)
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: KSelectionProxyModel(selectionModel, parent)
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, d_ptr(new SelectionProxyModelPrivate(this))
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{
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connect(this, SIGNAL(rootIndexAdded(QModelIndex)), SLOT(rootIndexAdded(QModelIndex)));
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connect(this, SIGNAL(rootIndexAboutToBeRemoved(QModelIndex)), SLOT(rootIndexAboutToBeRemoved(QModelIndex)));
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}
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SelectionProxyModel::~SelectionProxyModel()
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{
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delete d_ptr;
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}
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#include "moc_selectionproxymodel.cpp"
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