time   calls  line
                  1 function h = getplotmanager(peekflag)
                  2 % This internal helper function may be removed in a future release.
                  3 
                  4 % Copyright 2010 The MathWorks, Inc.
                  5 
                  6 %   H = GETPLOTMANAGER
                  7 %   With no arguments, returns the singleton plotmanager. If no plotmanager
                  8 %   was previously created, one will be created. 
                  9 %
                 10 %   H = GETPLOTMANAGER('-peek') 
                 11 %   The '-peek' flag by-passes plotmanager creation so that no plotmanager
                 12 %   objects is implicitly created. This syntax will return an
                 13 %   empty output if no plotmanager object was previously instantiated.
                 14 %
                 15 %   The following example adds a listener to the plotmanager singleton
                 16 %   which is updates in response to selection of a graphic object in any
                 17 %   figure
                 18 %
                 19 %   plotmgr = feval(graph2dhelper('getplotmanager'));
                 20 %   li = handle.listener(plotmgr,'PlotSelectionChange',@(es,ed) disp(ed));
                 21 
           677   22 mlock; 
           677   23 persistent pm; 
                 24 
  0.01     677   25 if ~ishandle(pm) 
                 26     pm = [];
                 27 end
  0.01     677   28 if nargin==1 && strcmp(peekflag,'-peek') 
           677   29     h = pm; 
           677   30     return 
                 31 end
                 32 if isempty(pm)
                 33     pm = graphics.plotmanager;
                 34 end
                 35 h = pm;