How to find an item in a QTreeView?

How to find an item in a QTreeView?

References

Reference NO 1

http://stackoverflow.com/questions/3290704/howto-find-subitem-in-qabstractitemmodel-and-qtreeview-class

Reference NO 2

http://stackoverflow.com/questions/7047527/getting-the-currently-selected-item-in-qtreeview

Reference NO 3

http://qt-project.org/forums/viewthread/4864

Reference NO 4

http://www.qtcentre.org/threads/1075-QTreeWidget-findItems-only-searches-top-level-items

Reference NO 5

http://www.archivum.info/qt-interest@trolltech.com/2010-02/00758/(Qt-interest)-qtreeview--hot-do-I-get-current-item.html

Reference NO 6

http://www.java2s.com/Code/Cpp/Qt/UsingQTreeView.htm

Reference NO 7

http://www.qtforum.org/post/112650/how-get-text-index-from-qtreewidget-selected-item-child.html

Reference NO 8

http://www.riverbankcomputing.com/pipermail/pyqt/2010-April/026378.html