You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
2.4 KiB
79 lines
2.4 KiB
/* |
|
* Copyright 2019 Kai Uwe Broulik <kde@privat.broulik.de> |
|
* |
|
* This library is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2.1 of the License, or (at your option) version 3, or any |
|
* later version accepted by the membership of KDE e.V. (or its |
|
* successor approved by the membership of KDE e.V.), which shall |
|
* act as a proxy defined in Section 6 of version 3 of the license. |
|
* |
|
* 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 |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>. |
|
*/ |
|
|
|
#include "limitedrowcountproxymodel_p.h" |
|
|
|
#include "notifications.h" |
|
|
|
using namespace NotificationManager; |
|
|
|
LimitedRowCountProxyModel::LimitedRowCountProxyModel(QObject *parent) |
|
: QSortFilterProxyModel(parent) |
|
{ |
|
|
|
} |
|
|
|
LimitedRowCountProxyModel::~LimitedRowCountProxyModel() = default; |
|
|
|
void LimitedRowCountProxyModel::setSourceModel(QAbstractItemModel *sourceModel) |
|
{ |
|
if (sourceModel == QAbstractProxyModel::sourceModel()) { |
|
return; |
|
} |
|
|
|
if (QAbstractProxyModel::sourceModel()) { |
|
disconnect(QAbstractProxyModel::sourceModel(), nullptr, this, nullptr); |
|
} |
|
|
|
QSortFilterProxyModel::setSourceModel(sourceModel); |
|
|
|
if (sourceModel) { |
|
connect(sourceModel, &QAbstractItemModel::rowsInserted, this, &LimitedRowCountProxyModel::invalidateFilter); |
|
connect(sourceModel, &QAbstractItemModel::rowsMoved, this, &LimitedRowCountProxyModel::invalidateFilter); |
|
connect(sourceModel, &QAbstractItemModel::rowsRemoved, this, &LimitedRowCountProxyModel::invalidateFilter); |
|
} |
|
} |
|
|
|
int LimitedRowCountProxyModel::limit() const |
|
{ |
|
return m_limit; |
|
} |
|
|
|
void LimitedRowCountProxyModel::setLimit(int limit) |
|
{ |
|
if (m_limit != limit) { |
|
m_limit = limit; |
|
invalidateFilter(); |
|
emit limitChanged(); |
|
} |
|
} |
|
|
|
bool LimitedRowCountProxyModel::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const |
|
{ |
|
if (source_parent.isValid()) { |
|
return true; |
|
} |
|
|
|
if (m_limit > 0) { |
|
return source_row < m_limit; |
|
} |
|
|
|
return true; |
|
}
|
|
|