-
Jochen Becher authored
Change-Id: I35f284fd790713670ce31d4a802860b4d41c1ad3 Reviewed-by:
Tobias Hunger <tobias.hunger@theqtcompany.com>
Jochen Becher authoredChange-Id: I35f284fd790713670ce31d4a802860b4d41c1ad3 Reviewed-by:
Tobias Hunger <tobias.hunger@theqtcompany.com>
sortedtreemodel.cpp 3.63 KiB
/***************************************************************************
**
** Copyright (C) 2015 Jochen Becher
** Contact: http://www.qt.io/licensing
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms and
** conditions see http://www.qt.io/terms-conditions. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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****************************************************************************/
#include "sortedtreemodel.h"
#include "treemodel.h"
namespace qmt {
SortedTreeModel::SortedTreeModel(QObject *parent)
: QSortFilterProxyModel(parent)
{
setDynamicSortFilter(false);
setSortCaseSensitivity(Qt::CaseInsensitive);
m_delayedSortTimer.setSingleShot(true);
connect(&m_delayedSortTimer, &QTimer::timeout, this, &SortedTreeModel::onDelayedSortTimeout);
connect(this, &QAbstractItemModel::rowsInserted,
this, &SortedTreeModel::onTreeModelRowsInserted);
connect(this, &QAbstractItemModel::dataChanged,
this, &SortedTreeModel::onDataChanged);
}
SortedTreeModel::~SortedTreeModel()
{
}
void SortedTreeModel::setTreeModel(TreeModel *treeModel)
{
m_treeModel = treeModel;
setSourceModel(treeModel);
startDelayedSortTimer();
}
bool SortedTreeModel::lessThan(const QModelIndex &left, const QModelIndex &right) const
{
TreeModel::ItemType leftItemType = TreeModel::ItemType(sourceModel()->data(left, TreeModel::RoleItemType).toInt());
TreeModel::ItemType rightItemType = TreeModel::ItemType(sourceModel()->data(right, TreeModel::RoleItemType).toInt());
if (leftItemType < rightItemType) {
return true;
} else if (leftItemType > rightItemType) {
return false;
} else {
QVariant l = sourceModel()->data(left);
QVariant r = sourceModel()->data(right);
switch (sortCaseSensitivity()) {
case Qt::CaseInsensitive:
return l.toString().compare(r.toString(), Qt::CaseInsensitive) < 0;
case Qt::CaseSensitive:
return l.toString() < r.toString();
default:
return l.toString() < r.toString();
}
}
}
void SortedTreeModel::onTreeModelRowsInserted(const QModelIndex &parent, int start, int end)
{
Q_UNUSED(parent);
Q_UNUSED(start);
Q_UNUSED(end);
startDelayedSortTimer();
}
void SortedTreeModel::onDataChanged(const QModelIndex &, const QModelIndex &, const QVector<int> &)
{
startDelayedSortTimer();
}
void SortedTreeModel::onDelayedSortTimeout()
{
sort(0, Qt::AscendingOrder);
}
void SortedTreeModel::startDelayedSortTimer()
{
m_delayedSortTimer.start(1000);
}
} // namespace qmt