lib/Ext/dataview/DataView.js
function(record, suppressEvent) {
        var me = this;
        if (suppressEvent) {
            me.doItemSelect(me, record);
        } else {
            me.fireAction('select', [me, record], 'doItemSelect');
        }
    }
function(record, suppressEvent) {
        var me = this;
        if (suppressEvent) {
            me.doItemSelect(me, record);
        } else {
            me.fireAction('select', [me, record], 'doItemSelect');
        }
    }
invoked by the selection model to maintain visual UI cues