causeway-standard-theme/causeway/docs/components/form-fields/tristate-input.html

<div>
  <a id="forms-tristate"></a>
  <header class="content-header">
    <h1 class="title">
      Tristate
    </h1>
  </header>

  <p>
    Tristate controls comprise of a surround and 3 styles, toggled by optional attributes and classes. The attribute should be added to the <code>&lt;input&gt;</code> tag, and classes should follow on from the surrounding <code>&lt;div&gt;</code> and <code>&lt;label&gt;</code>.
  </p>
  <div class="table-wrapper">
    <table class="table table-striped">
    <thead>
      <tr>
        <th>
          Style
        </th>
        <th>
          Attribute
        </th>
        <th>
          Value
        </th>
        <th>
           Example
        </th>
      </tr>
    </thead>
    <tfoot>
      <tr>
        <td colspan="4">
        </td>
      </tr>
    </tfoot>
    <tbody>
      <tr>
        <td>
          Standard
        </td>
        <td>
        </td>
        <td>
        </td>
        <td>
          <form role="form">
            <div class="form-group">
              <div class="tristate">
                <input type="hidden" class="value" value="1">
                <input type="hidden" class="altvalue" value="2">
                <input type="checkbox" class="form-control" id="tristate-field1a" name="tristate_field1a" value="1">
                <label for="tristate-field1a">
                  <span class="checkbox-icon"></span>
                  Tristate
                </label>
              </div>
            </div>
          </form>
        </td>
      </tr>
      <tr>
        <td>
          Standard - Label First
        </td>
        <td>
        </td>
        <td>
        </td>
        <td>
          <form role="form">
            <div class="form-group">
              <div class="tristate">
                <input type="hidden" class="value" value="1">
                <input type="hidden" class="altvalue" value="2">
                <input type="checkbox" class="form-control" id="tristate-field2a" name="tristate_field2a" value="1">
                <label for="tristate-field2a">
                  <span class="checkbox-icon"></span>
                  Tristate
                </label>
              </div>
            </div>
          </form>
        </td>
      </tr>
      <tr>
        <td>
          Standard - Alternate Value
        </td>
        <td>
          class
        </td>
        <td>
          altstate
        </td>
        <td>
          <form role="form">
            <div class="form-row">
              <div class="form-group tristate">
                <input type="hidden" class="value" value="1">
                <input type="hidden" class="altvalue" value="2">
                <input type="checkbox" class="form-control" id="tristate-field1b" name="tristate_field1b" value="2">
                <label for="tristate-field1b" class="altstate">
                  <span class="checkbox-icon"></span>
                  Tristate
                </label>
              </div>
            </div>
          </form>
        </td>
      </tr>
      <tr>
        <td>
          Disabled
        </td>
        <td>
          class
          <br/><br/>
          disabled
        </td>
        <td>
          disabled
          <br/><br/>
          disabled
        </td>
        <td>
          <form role="form">
            <div class="form-row">
              <div class="form-group tristate disabled">
                <input type="hidden" class="value" value="1">
                <input type="hidden" class="altvalue" value="2">
                <input type="checkbox" disabled="disabled" class="form-control" id="tristate-field1c" name="tristate_field1c" value="1">
                <label for="tristate-field1c" class="disabled">
                  <span class="checkbox-icon"></span>
                  Tristate
                </label>
              </div>
            </div>
          </form>
        </td>
      </tr>
      <tr>
        <td>
          Invalid
        </td>
        <td>
          class
        </td>
        <td>
          invalid
        </td>
        <td>
          <form role="form">
            <div class="form-row">
              <div class="form-group tristate invalid">
                <input type="hidden" class="value" value="1">
                <input type="hidden" class="altvalue" value="2">
                <input type="checkbox" class="form-control" id="tristate-field1d" name="tristate_field1d" value="1">
                <label for="tristate-field1d">
                  <span class="checkbox-icon"></span>
                  Tristate
                </label>
              </div>
            </div>
          </form>
        </td>
      </tr>
    </tbody>
  </table>
  </div>
  <pre>
    <code>
      &lt;div class=&quot;form-group tristate&quot;&gt;
        &lt;input type=&quot;hidden&quot; class=&quot;value&quot; value=&quot;&lt;!-- Input value goes here --&gt;&quot;&gt;
        &lt;input type=&quot;hidden&quot; class=&quot;altvalue&quot;  value=&quot;&lt;!-- Input alternate value goes here --&gt;&quot;&gt;
        &lt;input type=&quot;checkbox&quot; class=&quot;form-control&quot; id=&quot;&lt;!-- Input control ID goes here --&gt;&quot; name=&quot;&lt;!-- Input control name goes here --&gt;&quot; value=&quot;&lt;!-- Input selected value goes here --&gt;&quot;&gt;
        &lt;label for=&quot;&lt;!-- Input control ID goes here --&gt;&quot;&gt;
          &lt;span class=&quot;checkbox-icon&quot;&gt;&lt;/span&gt;
          Tristate
        &lt;/label&gt;
      &lt;/div&gt;
    </code>
  </pre>
</div>