File list (Check if you may need any files):
diagram
.......\diagram.pro
.......\diagramwindow.cpp
.......\diagramwindow.h
.......\images
.......\......\bringtofront.png
.......\......\copy.png
.......\......\cut.png
.......\......\delete.png
.......\......\link.png
.......\......\node.png
.......\......\paste.png
.......\......\sendtoback.png
.......\link.cpp
.......\link.h
.......\main.cpp
.......\node.cpp
.......\node.h
.......\propertiesdialog.cpp
.......\propertiesdialog.h
.......\propertiesdialog.ui
.......\resources.qrc