/**
  * Adds any child forms for this form.
  * @param DOMNode $detailNode.  The major node which contains the formBrowser we are creating
  * @param  I2CE_MagicDataNode $formConfig /modules/forms/forms/$formName
  * @param I2CE_Form $formObj the form object for the form we are displaying ( or null.if we are not looking at a particular record)
  * @returns boolean.  Return false if none were added, true if child forms were added.
  */
 public function addChildForms($detailNode, $formConfig, $formObj)
 {
     $view_child = '';
     $child_forms = array();
     $formConfig->setIfIsSet($child_forms, "meta/child_forms", true);
     if (count($child_forms) > 0) {
         $view_child = "formBrowser/showForm";
     }
     $prefixNode = $this->template->getElementById('child_fb_prefix', $detailNode);
     if ($prefixNode instanceof DOMNode) {
         $prefixNode->setAttribute('value', $this->formBrowserPrefix);
     }
     $this->template->setDisplayDataImmediate('form_view_child', $view_child, $detailNode);
     $selectNode = $this->template->getElementById('child_form_select', $detailNode);
     $added = false;
     if ($selectNode instanceof DOMNode && $formObj instanceof I2CE_Form) {
         foreach ($child_forms as $child) {
             $childIds = $formObj->getChildIds($child);
             foreach ($childIds as $childId) {
                 $added = true;
                 $selectNode->appendChild($this->template->createElement('option', array('value' => $child . ':' . $childId), $child . ' Id: ' . $childId));
             }
         }
     } else {
         if ($selectNode instanceof DOMNode) {
             foreach ($child_forms as $child) {
                 $added = true;
                 $selectNode->appendChild($this->template->createElement('option', array('value' => $child), $child));
             }
         }
     }
     foreach (array("form_view_child", "form_view_child_button") as $id) {
         $formNode = $this->template->getElementById($id, $detailNode);
         if ($formNode instanceof DOMNode) {
             $formNode->setAttribute('id', $this->formBrowserPrefix . '_' . $id);
         }
     }
     if ($this->page->hasAjax() && $added) {
         $this->page->addAjaxUpdate($this->formBrowserPrefix . '_content', $this->formBrowserPrefix . '_form_view_child_button', 'click', "formBrowser/{$this->formBrowserPrefix}", $this->formBrowserPrefix . '_content', true, $this->formBrowserPrefix . '_form_view_child', true);
     }
     if (!$added) {
         return false;
     } else {
         return true;
     }
 }