title: Need to add multiple filter in angular ui select
body: <p>Need to add multiple filter in <code>angular</code> uiselect2.</p>
  
  <pre><code>&lt;div class="form-group "&gt;
      &lt;ui-select id="abc" ng-model="abc" multiple theme="bootstrap"  &gt;
         &lt;ui-select-match placeholder="Select abc..." class="ui-select-match"&gt;{{$item.name | capitalize}}&lt;/ui-select-match&gt;
          &lt;ui-select-choices id= "abchoice" class="ui-select-choices" repeat="item in itemDetails| filter: $select.search "&gt;
                 &lt;div id="selected_{{item}}" ng-bind-html="item .name | capitalize | highlight: $select.search" style="padding: 0px; "&gt;&lt;/div&gt;
           &lt;/ui-select-choices&gt;
       &lt;/ui-select&gt;
  
  &lt;/div&gt;
  </code></pre>
  
  <p>I have </p>
  
  <pre><code>itemDetails=["a","b","c"]
  orderItem=["c"] 
  </code></pre>
  
  <p>And I need to filter it by <code>filter: $select.search</code> also by orderItem. How to add this custom filter in ui-select? </p>
  
  <p>IN dropdown I shoud get only a, b, i should filter c</p>