summaryrefslogtreecommitdiff
path: root/tests/auto/xmlpatternsview/view/TreeSortFilter.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'tests/auto/xmlpatternsview/view/TreeSortFilter.cpp')
-rw-r--r--tests/auto/xmlpatternsview/view/TreeSortFilter.cpp122
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