refs #3464. Fixes missing readonly for Template Groups.

extension/Source/core/AbstractBuildForm.php

@@ -3697,7 +3697,7 @@ abstract class AbstractBuildForm {
     private function fillFeSpecNativeCheckboxWithTgMax(array $formElementArr, $tgMaxCopies) {
 
         foreach ($formElementArr as $key => $formElement) {
-            if ($formElement[FE_TYPE] = FE_TYPE_CHECKBOX) {
+            if ($formElement[FE_TYPE] == FE_TYPE_CHECKBOX) {
                 $formElementArr[$key][NAME_TG_COPIES] = $tgMaxCopies;
             }
         }
@@ -3735,6 +3735,8 @@ abstract class AbstractBuildForm {
         $removeText = Support::setIfNotSet($formElement, FE_TEMPLATE_GROUP_REMOVE_TEXT, 'Remove');
         $classCustom = Support::setIfNotSet($formElement, FE_TEMPLATE_GROUP_CLASS);
 
+        $disabled = ($formElement[FE_MODE] == FE_MODE_READONLY) ? "disabled='disabled'" : '';
+
         // save parent processed FE's
         $feSpecNativeSave = $this->feSpecNative;
 
@@ -3758,12 +3760,12 @@ abstract class AbstractBuildForm {
 EOT;
 
         $htmlAdd = <<<EOT
-<button type="button" id="$addButtonId" class="$addClass" onclick="QfqNS.addFields('#$templateName', '#$targetName', $max)">$addText</button>
+<button type="button" id="$addButtonId" class="$addClass" $disabled onclick="QfqNS.addFields('#$templateName', '#$targetName', $max)">$addText</button>
 EOT;
 
         $htmlDelete = <<<EOT
 <div class="qfq-note-no-padding">
-    <button type="button"  class="$removeClass" onclick="QfqNS.removeFields(this)">$removeText</button>
+    <button type="button"  class="$removeClass" $disabled onclick="QfqNS.removeFields(this)">$removeText</button>
 </div>
 EOT;