File: calfilterproxymodel_p.cpp

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/*
  Copyright (c) 2009 KDAB
  Author: Frank Osterfeld <osterfeld@kde.org>

  This library is free software; you can redistribute it and/or modify it
  under the terms of the GNU Library General Public License as published by
  the Free Software Foundation; either version 2 of the License, or (at your
  option) any later version.

  This library 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 Library General Public
  License for more details.

  You should have received a copy of the GNU Library General Public License
  along with this library; see the file COPYING.LIB.  If not, write to the
  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  02110-1301, USA.
*/

#include "calfilterproxymodel_p.h"
#include "utils_p.h"

#include <item.h>
#include <entitytreemodel.h>

#include <kcalcore/calfilter.h>
#include <kcalcore/incidence.h>

using namespace Akonadi;

class Q_DECL_HIDDEN CalFilterProxyModel::Private
{
public:
    explicit Private()
    {
    }
    KCalCore::CalFilter *filter = nullptr;
};

CalFilterProxyModel::CalFilterProxyModel(QObject *parent)
    : QSortFilterProxyModel(parent), d(new Private)
{
    setFilterKeyColumn(0);
}

CalFilterProxyModel::~CalFilterProxyModel()
{
    delete d;
}

KCalCore::CalFilter *CalFilterProxyModel::filter() const
{
    return d->filter;
}

void CalFilterProxyModel::setFilter(KCalCore::CalFilter *filter)
{
    if (filter == d->filter) {
        return;
    }

    d->filter = filter;
    invalidateFilter();
}

bool CalFilterProxyModel::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
{
    if (!d->filter) {
        return true;
    }

    const QModelIndex idx = sourceModel()->index(source_row, 0, source_parent);
    if (!idx.isValid()) {
        return false;
    }

    const Akonadi::Item item = idx.data(Akonadi::EntityTreeModel::ItemRole).value<Akonadi::Item>();
    if (!item.isValid()) {
        return false;
    }

    const KCalCore::Incidence::Ptr incidence = CalendarUtils::incidence(item);
    if (!incidence) {
        return false;
    }

    return d->filter->filterIncidence(incidence);
}