Fixed comment preview functionality

The preview function was hidden for comments. The button has been restored and styles fixed to support this feature.

(DBOINCP-76)

drupal/sites/default/boinc/modules/boinccore/boinccore.module

@@ -177,9 +177,6 @@ function boinccore_form_alter(&$form, $form_state, $form_id) {
       '#weight' => 1010,
     );
     
-    // Preview is ugly, unset until it works
-    unset($form['preview']);
-    
     // Remove redundant name field
     unset($form['_author']);
     

drupal/sites/default/boinc/themes/boinc/css/comments.css

@@ -289,6 +289,26 @@ div.node-type-forum.not-first-page {
 
 .preview .comment /* Preview of the comment before submitting new or updated comment */ {
   /* background-color: #ffffea; */ /* Drupal core uses a #ffffea background */
+  border: none;
+  margin-top: 24px;
+  padding-top: 0;
+}
+.preview h2 {
+  border-bottom: 1px dotted #aaa;
+  margin-bottom: 24px;
+  padding-bottom: 12px;
+}
+
+#comment-form .preview + .user {
+  height: auto;
+}
+#comment-form .comment .user {
+  border: none;
+}
+
+div.preview + .comment {
+  padding-top: 24px;
+  margin-top: 24px;
 }
 
 /* Comment form */

drupal/sites/default/boinc/themes/boinc/templates/comment.tpl.php

@@ -77,6 +77,7 @@
       print '<div class="ignore-user-content">';
     } 
     ?>
+  
   <div class="user">
     <?php
       $account = user_load(array('uid' => $comment->uid));
@@ -166,3 +167,7 @@
     </div>
   </div> <!-- /.comment-body -->
 </div> <!-- /.comment -->
+
+<?php if ($status == 'comment-preview'): ?>
+  <h2 class="title"><?php print t('Revise or post comment'); ?></h2>
+<?php endif; ?>