Managing tree lists

These lists provide information on one or two levels. Each input can be collapsed ( details are abbreviated if they do not fit on one line) or expanded ( the information can be multiple lines ) . In addition for the first level, the second level entries that follow are hidden in the collapsed state and shown in the expanded state.

To each input can be associated one or more commands indicated by icons following text or at end of line. A touch on the right of such an entry launches the end line command if there is one ( if there is a menu icon, a menu is displayed to select a command ), and a touch about middle launches the main command associated to entry, if there is one .

Touching on the left of an entry, or on entry if there is no icon, it is expanded if it was collapsed and vice versa.