function[session] = plotTrialBasedonPattern(varargin)

jListBox = varargin{1};
jEventData = varargin{2};
hListbox = varargin{3};

jCBModel = get(jEventData, 'CheckModel');

numChecks = jCBModel.getCheckedCount;
activeIndex = get(hListbox, 'SelectedIndex');
if (numChecks > 2)
   jCBModel.uncheckAll;
   jcBModel.checkIndex(activeIndex);
end