<div dir="ltr">Got it to work after all using the method of storing the new options in $form_state[storage] and then, if it isset during the subsequent hook, force-feeding the field with the values from the form state.<div><br></div><div>Thanks very much Dave and Jamie!!</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Feb 11, 2015 at 2:25 PM, Jamie Holly <span dir="ltr">&lt;<a href="mailto:hovercrafter@earthlink.net" target="_blank">hovercrafter@earthlink.net</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
  
    
  
  <div bgcolor="#FFFFFF" text="#000000">
    <div>Actually you never really know what is
      going to happen in validation. So many modules can do funky
      things. A lot of times the multi-step type forms handle the
      rebuild through a submit callback. <br>
      <br>
      There&#39;s another option here as well, depending upon the criteria
      that has to be met, and that is using the #states system. You can
      see an example here:<br>
      <br>
<a href="http://cgit.drupalcode.org/examples/tree/form_example/form_example_states.inc" target="_blank">http://cgit.drupalcode.org/examples/tree/form_example/form_example_states.inc</a><br>
      <br>
      <pre cols="72">Jamie Holly
<a href="http://hollyit.net" target="_blank">http://hollyit.net</a></pre>
      On 2/11/2015 11:58 AM, Metzler, David wrote:<br>
    </div>
    <blockquote type="cite">
      
      
      
      <div>
        <p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">Actually
            you should be able to alter the form in the validation
            function yes?  Just change the function signature to pass
            $form by reference and make the changes to the form that you
            need rather than going through the later hook?   <u></u><u></u></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><br>
            Dave<u></u><u></u></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u> <u></u></span></p>
        <p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">
            <a href="mailto:support-bounces@drupal.org" target="_blank">support-bounces@drupal.org</a>
            [<a href="mailto:support-bounces@drupal.org" target="_blank">mailto:support-bounces@drupal.org</a>]
            <b>On Behalf Of </b>Jeff Greenberg<br>
            <b>Sent:</b> Wednesday, February 11, 2015 8:45 AM<br>
            <b>To:</b> <a href="mailto:support@drupal.org" target="_blank">support@drupal.org</a><br>
            <b>Subject:</b> Re: [support] Changing checkboxes options
            during hook_node_validate<u></u><u></u></span></p>
        <p class="MsoNormal"><u></u> <u></u></p>
        <div>
          <p class="MsoNormal">Ok, I&#39;ve tried that. The last thing I do
            in hook_node_validate is $form_state[&#39;rebuild&#39;] = true; What
            I notice is that hook_form_node_form_alter does not fire
            between then and the form being redisplayed, so my pulling
            the options from $form_state[&#39;storage&#39;] never happens.<u></u><u></u></p>
        </div>
        <div>
          <p class="MsoNormal"><u></u> <u></u></p>
          <div>
            <p class="MsoNormal">On Wed, Feb 11, 2015 at 10:57 AM, Jamie
              Holly &lt;<a href="mailto:hovercrafter@earthlink.net" target="_blank">hovercrafter@earthlink.net</a>&gt;
              wrote:<u></u><u></u></p>
            <div>
              <div>
                <p class="MsoNormal">The checkboxes have to be added in
                  the form creation stage, so in either hook_form or
                  hook_form_alter. Then in the hook_validate, set a
                  variable on $form_state[&#39;storage&#39;] and set
                  $form_state[&#39;rebuild&#39;] = TRUE; and check in your
                  hook_form or hook_form_alter for your
                  $form_state[&#39;storage&#39;] setting, and if set then add
                  your checkboxes.
                  <br>
                  <br>
                  I suggest looking at the form_example_wizard in the
                  examples module, as that&#39;s basically what you are
                  after, even though it&#39;s not a typical multi-step
                  wizard you are after, the logic is still the same.
                  <br>
                  <br>
                  <u></u><u></u></p>
                <pre>Jamie Holly<u></u><u></u></pre>
                <pre><a href="http://hollyit.net" target="_blank">http://hollyit.net</a><u></u><u></u></pre>
                <p class="MsoNormal">On 2/11/2015 10:43 AM, Jeff
                  Greenberg wrote:<u></u><u></u></p>
              </div>
              <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
                <div>
                  <p class="MsoNormal">One thing that is either part of
                    the issue, or a separate issue that impacts this, is
                    that the checkboxes field is added via
                    hook_form_alter. I notice that although the field
                    appears in $form_state[values] it does not appear in
                    $form_state[field], so I&#39;m wondering where
                    $form_state gets the information for the field when
                    rebuilding the form.<u></u><u></u></p>
                </div>
                <div>
                  <p class="MsoNormal"><u></u> <u></u></p>
                  <div>
                    <p class="MsoNormal">On Wed, Feb 11, 2015 at 9:31
                      AM, Jeff Greenberg &lt;<a href="mailto:listmail.ayendesigns@gmail.com" target="_blank">listmail.ayendesigns@gmail.com</a>&gt;
                      wrote:<u></u><u></u></p>
                    <div>
                      <div>
                        <p style="margin-right:0in;margin-bottom:12.0pt;margin-left:0in;vertical-align:baseline">I
                          have a node form that contains a checkboxes
                          field with options NULL at the time the form
                          is displayed.<u></u><u></u></p>
                        <p style="margin-right:0in;margin-bottom:12.0pt;margin-left:0in;vertical-align:baseline">During
                          node_validate, if certain criteria is met, an
                          array of options (checkboxes) is created, and
                          the form needs to be redisplayed with the
                          checkboxes as part of it.<u></u><u></u></p>
                        <p style="margin-right:0in;margin-bottom:12.0pt;margin-left:0in;vertical-align:baseline">I&#39;ve
                          tried setting #options = the new array in the
                          $form, in $form_state[original_form], etc all
                          to no avail. The field doesn&#39;t change.<u></u><u></u></p>
                        <p style="margin-right:0in;margin-bottom:12.0pt;margin-left:0in;vertical-align:baseline">I
                          also set one checkbox in the field at the
                          start, so that I could find it in the $form
                          and $form_state structures, changed where I
                          found it to the new options array, and again,
                          no change. I am setting $form_state[rebuild]
                          to true, and even tried explicitly calling for
                          the form to be rebuilt.<u></u><u></u></p>
                        <div>
                          <p class="MsoNormal"><span style="color:#888888"><u></u> <u></u></span></p>
                        </div>
                      </div>
                      <div>
                        <p class="MsoNormal"><span style="color:#888888"><u></u> <u></u></span></p>
                      </div>
                      <p class="MsoNormal"><span><span style="color:#888888">-- </span><u></u><u></u></span></p>
                      <div>
                        <p class="MsoNormal"><span style="color:#888888">---
                          </span><u></u><u></u></p>
                        <div>
                          <p class="MsoNormal"><span style="color:#888888"><a href="http://drupal.org/user/367108" target="_blank">drupal.org/user/367108</a><u></u><u></u></span></p>
                        </div>
                        <div>
                          <p class="MsoNormal"><span style="color:#888888"><a href="http://linkedin.com/in/jeffrgreenberg" target="_blank">linkedin.com/in/jeffrgreenberg</a><u></u><u></u></span></p>
                        </div>
                        <div>
                          <p class="MsoNormal"><span style="color:#888888"><a href="http://accidentalcoder.com" target="_blank">accidentalcoder.com</a>
                              /
                              <a href="http://ayendesigns.com" target="_blank">ayendesigns.com</a><u></u><u></u></span></p>
                        </div>
                        <div>
                          <p class="MsoNormal"><span style="color:#888888">@accidentalcoder<u></u><u></u></span></p>
                        </div>
                      </div>
                    </div>
                  </div>
                  <p class="MsoNormal"><span style="color:#888888"><br>
                      <br clear="all">
                    </span><span><u></u><u></u></span></p>
                  <div>
                    <p class="MsoNormal"><u></u> <u></u></p>
                  </div>
                  <p class="MsoNormal"><span><span style="color:#888888">-- </span><u></u><u></u></span></p>
                  <div>
                    <p class="MsoNormal"><span style="color:#888888">---
                      </span><u></u><u></u></p>
                    <div>
                      <p class="MsoNormal"><span style="color:#888888"><a href="http://drupal.org/user/367108" target="_blank">drupal.org/user/367108</a><u></u><u></u></span></p>
                    </div>
                    <div>
                      <p class="MsoNormal"><span style="color:#888888"><a href="http://linkedin.com/in/jeffrgreenberg" target="_blank">linkedin.com/in/jeffrgreenberg</a><u></u><u></u></span></p>
                    </div>
                    <div>
                      <p class="MsoNormal"><span style="color:#888888"><a href="http://accidentalcoder.com" target="_blank">accidentalcoder.com</a> /
                          <a href="http://ayendesigns.com" target="_blank">ayendesigns.com</a><u></u><u></u></span></p>
                    </div>
                    <div>
                      <p class="MsoNormal"><span style="color:#888888">@accidentalcoder<u></u><u></u></span></p>
                    </div>
                  </div>
                </div>
                <p class="MsoNormal" style="margin-bottom:12.0pt"><u></u> <u></u></p>
              </blockquote>
              <p class="MsoNormal"><u></u> <u></u></p>
            </div>
            <p class="MsoNormal"><br>
              --<br>
              [ Drupal support list | <a href="http://lists.drupal.org/" target="_blank">http://lists.drupal.org/</a>
              ]<u></u><u></u></p>
          </div>
          <p class="MsoNormal"><br>
            <br clear="all">
            <u></u><u></u></p>
          <div>
            <p class="MsoNormal"><u></u> <u></u></p>
          </div>
          <p class="MsoNormal">-- <u></u><u></u></p>
          <div>
            <p class="MsoNormal">---<u></u><u></u></p>
            <div>
              <p class="MsoNormal"><a href="http://drupal.org/user/367108" target="_blank">drupal.org/user/367108</a><u></u><u></u></p>
            </div>
            <div>
              <p class="MsoNormal"><a href="http://linkedin.com/in/jeffrgreenberg" target="_blank">linkedin.com/in/jeffrgreenberg</a><u></u><u></u></p>
            </div>
            <div>
              <p class="MsoNormal"><a href="http://accidentalcoder.com" target="_blank">accidentalcoder.com</a>
                /
                <a href="http://ayendesigns.com" target="_blank">ayendesigns.com</a><u></u><u></u></p>
            </div>
            <div>
              <p class="MsoNormal">@accidentalcoder<u></u><u></u></p>
            </div>
          </div>
        </div>
      </div>
      <br>
      <fieldset></fieldset>
      <br>
    </blockquote>
    <br>
  </div>

<br>--<br>
[ Drupal support list | <a href="http://lists.drupal.org/" target="_blank">http://lists.drupal.org/</a> ]<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature">---<div><a href="http://drupal.org/user/367108" target="_blank">drupal.org/user/367108</a></div><div><a href="http://linkedin.com/in/jeffrgreenberg" target="_blank">linkedin.com/in/jeffrgreenberg</a></div><div><a href="http://accidentalcoder.com" target="_blank">accidentalcoder.com</a> / <a href="http://ayendesigns.com" target="_blank">ayendesigns.com</a></div><div>@accidentalcoder</div></div>
</div>