treemodelcompleter.cpp Example File

tools/treemodelcompleter/treemodelcompleter.cpp
 /****************************************************************************
 **
 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the examples of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
 **     the names of its contributors may be used to endorse or promote
 **     products derived from this software without specific prior written
 **     permission.
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #include "treemodelcompleter.h"
 #include <QStringList>

 TreeModelCompleter::TreeModelCompleter(QObject *parent)
     : QCompleter(parent)
 {
 }

 TreeModelCompleter::TreeModelCompleter(QAbstractItemModel *model, QObject *parent)
     : QCompleter(model, parent)
 {
 }

 void TreeModelCompleter::setSeparator(const QString &separator)
 {
     sep = separator;
 }

 QString TreeModelCompleter::separator() const
 {
     return sep;
 }

 QStringList TreeModelCompleter::splitPath(const QString &path) const
 {
     if (sep.isNull()) {
         return QCompleter::splitPath(path);
     }

     return path.split(sep);
 }

 QString TreeModelCompleter::pathFromIndex(const QModelIndex &index) const
 {
     if (sep.isNull()) {
         return QCompleter::pathFromIndex(index);
     }

     // navigate up and accumulate data
     QStringList dataList;
     for (QModelIndex i = index; i.isValid(); i = i.parent()) {
         dataList.prepend(model()->data(i, completionRole()).toString());
     }

     return dataList.join(sep);
 }