公开(公告)号：EP0803093A4

公开(公告)日：1998-04-01

申请号：EP95943379

申请日：1995-12-07

申请人： NEXT SOFTWARE INC

发明人： WILLIAMSON RICHARD ,  UPSON LINUS ,  GREENFIELD JACK ,  WILLHITE DANIEL

IPC分类号： G06F9/44 ,  G06F9/45

CPC分类号： G06F9/4428 ,  G06F9/4443

摘要： The present invention comprises a method for allowing a data controlling object to interface with any number of user interface objects without requiring separate interface code for each user interface object and without restricting the user interface to certain predetermined designs. The present method provides objects called association objects that are interposed between a data controlling object and each user interface object. Each kind of user interface object has a corresponding association object. The association object for a particular kind of user interface object contains code that allows the association object to interact with the specific kind of user interface object with which it is associated. Each association object also presents a standard interface to a data controlling object, regardless of the kind of user interface object with which the association object is associated. The association object takes care of any conversion or translation that must be performed to convert a data value sent by the data controlling object into an appropriate value that can be displayed by the user interface object. Accordingly, instead of requiring different interface code for each kind of user interface object used, a data controlling object requires only a single block of interface code for communicating with all association objects, which in turn provide the user interface specific code needed for each kind of user interface object.