ambari-web/app/templates/common/configs/config_versions_dropdown.hbs

{{!
* Licensed to the Apache Software Foundation (ASF) under one
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* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
*     http://www.apache.org/licenses/LICENSE-2.0
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}}

<button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true"
        aria-expanded="false">
  {{t common.version}}:
  <span><strong>{{view.displayedServiceVersion.version}}</strong><span class="caret"></span></span>
</button>
<div class="dropdown-menu bottom-shadow">
  <li class="input-group search-input">
    {{view Em.TextField valueBinding="view.filterValue" class="form-control" placeholderBinding="view.searchLabel"}}
    <span class="input-group-btn">
            <button class="btn btn-default" type="button">
              <span class="glyphicon glyphicon-search" aria-hidden="true"></span>
            </button>
          </span>
  </li>
  <ul class="versions-list">
    {{#each item in view.filteredServiceVersions}}
      <li>
        <div {{bindAttr class="item.isDisplayed:selected view.isCompareMode:full-width :version-info"}}
          {{action mainClickAction item target="view"}}>
          <div class="row">
            <div class="col-md-4">
              <span class="h2">{{t common.version}}&nbsp;{{item.version}}&nbsp;</span>
              <span class="description grey-text">{{item.stackVersion}}</span>
            </div>
            <div class="col-md-8 description grey-text">
                <span class="pull-right">
                  <strong>{{item.authorFormatted}}</strong>
                  &nbsp;{{t dashboard.configHistory.info-bar.authoredOn}}&nbsp;
                  <strong>{{item.createdDate}}</strong>
                </span>
            </div>
          </div>
          <div class="row">
            <div class="col-md-10 description notes-color">{{item.fullNotes}}</div>
            <div class="col-md-2">
              {{#if item.isCurrent}}
                <strong class="pull-right current-color">{{t common.current}}</strong>
              {{/if}}
            </div>
          </div>
        </div>
        {{#unless view.isCompareMode}}
          <button data-toggle="tooltip" data-placement="right"
            {{bindAttr class="item.isDisplayed:hide :compare-button :btn :btn-default"}}
            {{action compare item target="view.parentView"}}
            {{translateAttr title="dashboard.configHistory.info-bar.compare.tooltip"
                            data-original-title="dashboard.configHistory.info-bar.compare.tooltip"}}>
            <i class="icon-exchange" aria-hidden="true"></i>
          </button>
        {{/unless}}
      </li>
    {{/each}}
  </ul>
</div>