treemodelcompleter.cpp Example File

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 #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);
 }