ng-tree-btn.html

<!-- Multi select with tree and Confirm btn -->
<div class="btn-group">
  <button class="btn {{btnCls}} dropdown-toggle" ng-class="{disabled: !isEnabled()}"
          ng-click="toggleDrop()">{{label}} <b class="caret"></b>
  </button>
  <ul class="dropdown-menu block" ng-show="opened">
    <li>
      <a class="multiAll" href="#" ng-click="selectItem(options)">All 
        <span class="icon-ok" ng-show="checked(options)"></span>
      </a>
      <ul class="menu">
        <li ng-repeat="item in options.items">
          <a ng-show="!hasChildren(item)"
             class="multicheck" href="#" ng-click="selectItem(item)">{{item.name}}
            <span class="icon-ok" ng-show="checked(item)"></span>
          </a>
          <a ng-show="hasChildren(item)" class="multiAll" href="#"
             ng-click="selectItem(item)">{{item.name}}
            <span class="icon-ok" ng-show="checked(item)"></span>
          </a>
          <ul ng-show="hasChildren(item)" class="menu">
            <li ng-repeat="option in item.items">
              <a class="multicheck" href="#" ng-click="selectItem(option)">{{option.name}}
                <span class="icon-ok" ng-show="checked(option)"></span>
              </a>
            </li>
          </ul>
        </li>
      </ul>
    </li>
    <li class="centered">
      <button class="btn btn-mini btn-info saveMultiAll" ng-click="confirmMulti($event)">Confirm</button>
    </li>
    <div class="clearfix"></div>
  </ul>
</div>