whole_func_string: function(record) {
          record = Ext.isNumber(record) ? this.store.getAt(record) : record;
          return this.selected.contains(record);
      }
func_code_string: function(record) {
          record = Ext.isNumber(record) ? this.store.getAt(record) : record;
          return this.selected.contains(record);
      }
func_documentation_string: Returns true if the specified row is selected.
  @param {Ext.data.Model/Number} record The record or index of the record to check
  @return {Boolean}