function form_pre_render_fieldset

Adds members of this group as actual elements for rendering.

Parameters

$element: An associative array containing the properties and children of the fieldset.

Return value

The modified element with all group members.

Related topics

1 string reference to 'form_pre_render_fieldset'
system_element_info in modules/system/system.module
Implements hook_element_info().

File

includes/form.inc, line 3824

Code

function form_pre_render_fieldset($element) {
    // Fieldsets may be rendered outside of a Form API context.
    if (!isset($element['#parents']) || !isset($element['#groups'])) {
        return $element;
    }
    // Inject group member elements belonging to this group.
    $parents = implode('][', $element['#parents']);
    $children = element_children($element['#groups'][$parents]);
    if (!empty($children)) {
        foreach ($children as $key) {
            // Break references and indicate that the element should be rendered as
            // group member.
            $child = (array) $element['#groups'][$parents][$key];
            $child['#group_fieldset'] = TRUE;
            // Inject the element as new child element.
            $element[] = $child;
            $sort = TRUE;
        }
        // Re-sort the element's children if we injected group member elements.
        if (isset($sort)) {
            $element['#sorted'] = FALSE;
        }
    }
    if (isset($element['#group'])) {
        $group = $element['#group'];
        // If this element belongs to a group, but the group-holding element does
        // not exist, we need to render it (at its original location).
        if (!isset($element['#groups'][$group]['#group_exists'])) {
            // Intentionally empty to clarify the flow; we simply return $element.
        }
        elseif (!empty($element['#group_fieldset'])) {
            // Intentionally empty to clarify the flow; we simply return $element.
        }
        elseif (element_children($element['#groups'][$group])) {
            $element['#printed'] = TRUE;
        }
    }
    return $element;
}

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.