diff options
Diffstat (limited to 'tests/auto/xmlpatternsview/view/TreeSortFilter.cpp')
-rw-r--r-- | tests/auto/xmlpatternsview/view/TreeSortFilter.cpp | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/tests/auto/xmlpatternsview/view/TreeSortFilter.cpp b/tests/auto/xmlpatternsview/view/TreeSortFilter.cpp new file mode 100644 index 0000000..d28bb97 --- /dev/null +++ b/tests/auto/xmlpatternsview/view/TreeSortFilter.cpp @@ -0,0 +1,122 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtDebug> + +#include "TreeSortFilter.h" + +using namespace QPatternistSDK; + +TreeSortFilter::TreeSortFilter(QObject *p) : QSortFilterProxyModel(p) +{ + Q_ASSERT(p); +} + +bool TreeSortFilter::lessThan(const QModelIndex &left, + const QModelIndex &right) const +{ + const QVariant leftData(sourceModel()->data(left)); + const QVariant rightData(sourceModel()->data(right)); + + return numericLessThan(leftData.toString(), rightData.toString()); +} + +bool TreeSortFilter::numericLessThan(const QString &l, const QString &r) const +{ + QString ls(l); + QString rs(r); + const int len = (l.length() > r.length() ? r.length() : l.length()); + + for(int i = 0;i < len; ++i) + { + const QChar li(l.at(i)); + const QChar ri(r.at(i)); + + if(li >= QLatin1Char('0') && + li <= QLatin1Char('9') && + ri >= QLatin1Char('0') && + ri <= QLatin1Char('9')) + { + ls = l.mid(i); + rs = r.mid(i); + break; + } + else if(li != ri) + break; + } + + const int ld = ls.toInt(); + const int rd = rs.toInt(); + + if(ld == rd) + return ls.localeAwareCompare(rs) < 0; + else + return ld < rd; +} + +bool TreeSortFilter::filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const +{ + if(filterRegExp().isEmpty()) + return true; + + QModelIndex current(sourceModel()->index(sourceRow, filterKeyColumn(), sourceParent)); + + if(sourceModel()->hasChildren(current)) + { + bool atLeastOneValidChild = false; + int i = 0; + while(!atLeastOneValidChild) + { + const QModelIndex child(current.child(i, current.column())); + if(!child.isValid()) + // No valid child + break; + + atLeastOneValidChild = filterAcceptsRow(i, current); + i++; + } + return atLeastOneValidChild; + } + + return sourceModel()->data(current).toString().contains(filterRegExp()); +} + +// vim: et:ts=4:sw=4:sts=4 |