unserver-unify/src/app/course/knowledge/node.html

<div class="tree-node tree-node-content">
  <!-- <a class="pull-left" ng-click="toggle(this)" ng-if="node.items && node.items.length > 0">
    <span class="glyphicon" ng-class="{'glyphicon-chevron-right': collapsed, 'glyphicon-chevron-down': !collapsed}" style="top:3px; margin-right:5px;">
    </span>
  </a> -->
  <a ng-click="ctrl.gotoPractise(node)" href="javascript:;">{{ node.title }}</a>
  <span ng-if="node.result">
    <span class="coverage" ng-class="{'color-blue':node.result.completeRate>80,'color-orange':node.result.completeRate>60&&node.result.completeRate<=80,'color-red':node.result.completeRate<=60}">
      &nbsp;{{'Coverage' | translate}} ({{node.result.qs}} / {{ctrl.counters[node.key]}})
    </span>
    <span class="coverage" ng-class="{'color-green':node.result.correctRate>70,'color-orange':node.result.correctRate>30&&node.result.correctRate<=70,'color-red':node.result.correctRate<=30}">
      {{'Correct' | translate}} ({{node.result.correctRate|number:2}} %)
    </span>
  </span>
  <span class="coverage" ng-if="!node.result&&ctrl.counters[node.key]">
    &nbsp;{{'Coverage' | translate}} (0 / {{ctrl.counters[node.key]}})
  </span>
  <!-- <span class="badge badge-u" ng-if="node.exam">
    {{'Exam' | translate}} ({{node.exam.correct}} / {{node.exam.counter}})
  </span> -->
  <span class="knowledge_btn">
    <a class="btn btn-info btn-xs" data-nodrag="" ui-sref=".resources({key:node.key})" ng-if="(node.value==1||((!node.items||node.items.length<1)&&node.value==0))&&ctrl.counters[node.key]">
      <i class="fa fa-book"></i>
      {{'Learn' | translate}}
    </a>
    <a class="btn btn-u btn-xs" data-nodrag="" ng-click="ctrl.gotoPractise(node)" ng-if="(node.value==1||((!node.items||node.items.length<1)&&node.value==0))&&ctrl.counters[node.key]">
      <i class="fa fa-pencil-square-o"></i>
      {{'Practice' | translate}}
    </a>
    <a class="btn btn-warning btn-xs" data-nodrag="" ng-click="ctrl.gotoTest(node)" ng-if="(node.value==1||((!node.items||node.items.length<1)&&node.value==0))&&ctrl.counters[node.key]">
      <i class="fa fa fa-check-square-o"></i>
      {{'Quiz' | translate}}
    </a>
  </span>
  <div class="clearfix">
  </div>
</div>
<ol ng-model="node.items">
  <li class="list-group-item" ng-if="node.value<2" ng-include="'app/course/knowledge/node.html'" ng-repeat="node in node.items">
  </li>
</ol>