tabindex="0"
                                ng-blur="isShow = false;" ng-keydown="$event.key === 'Escape'?isShow=false:null;">
                                <ul style="list-style: none; padding-left: 0px;">
                                    <li class="isHover" ng-repeat="(index, pattern) in self.patterns">
                                        <a ng-click="self.selectPattern(pattern)">{{pattern}}</a>
                                    </li>
                                </ul>
                     