Upload file

<div style="position:relative;">
        <a class='btn btn-primary' href='javascript:;'>
            Choose File...
            <input type="file" style='position:absolute;
                                      z-index:2;
                                      top:0;
                                      left:0;
                                      filter: alpha(opacity=0);
                                      -ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
                                      opacity:0;
                                      background-color:transparent;
                                      color:transparent;'
                                      name="file_source" size="40"

                                      ng-file-select="onFileSelect($files)">
        </a>
        &nbsp;

    <span class='label label-info' ng-if="file" >
          {{file.name}} upload done
    </span>

</div>

<br/>

<!--
<div style="position:relative;">
        <a class='btn btn-primary' href='javascript:;'>
            Choose Multi File...
            <input type="file" style='position:absolute;
                                      z-index:2;
                                      top:0;
                                      left:0;
                                      filter: alpha(opacity=0);
                                      -ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
                                      opacity:0;
                                      background-color:transparent;
                                      color:transparent;'
                                      name="file_source" size="40"

                                      ng-file-select="onFileSelect($files)" multiple>
        </a>
        &nbsp;


</div>




<div ng-file-drop="onFileSelect($files)"
     ng-file-drag-over-class="optional-css-class"
     ng-show="dropSupported">
    drop files here
</div>
<div ng-file-drop-available="dropSupported=true"
     ng-show="!dropSupported">
    HTML5 Drop File is not supported!
</div>
<button ng-click="upload.abort()">Cancel Upload</button>


-->