private void displayTaskStatistic() {
rightColumn.removeAllComponents();
UnresolvedTaskByAssigneeWidget unresolvedTaskByAssigneeWidget =
new UnresolvedTaskByAssigneeWidget();
unresolvedTaskByAssigneeWidget.setSearchCriteria(statisticSearchCriteria);
rightColumn.addComponent(unresolvedTaskByAssigneeWidget);
UnresolvedTaskByPriorityWidget unresolvedTaskByPriorityWidget =
new UnresolvedTaskByPriorityWidget();
unresolvedTaskByPriorityWidget.setSearchCriteria(statisticSearchCriteria);
rightColumn.addComponent(unresolvedTaskByPriorityWidget);
UnresolvedTaskByStatusWidget unresolvedTaskByStatusWidget = new UnresolvedTaskByStatusWidget();
unresolvedTaskByStatusWidget.setSearchCriteria(statisticSearchCriteria);
rightColumn.addComponent(unresolvedTaskByStatusWidget);
}