function rules_forms_build_elements in Rules Forms Support 7

Builds elements of a form for storage in a variable.

Parameters

mixed $form: The form whose elements info is being saved.

mixed $form_info: Current form information for this form to be populated with elements.

string $parent: A string identifying the parent of the current element being processed. This parameter should not be passed in and is used only recursively.

See also

rules_forms_form_alter()

1 call to rules_forms_build_elements()

rules_forms_after_build in ./rules_forms.module

Add element IDs on the form if the setting is enabled.

File

./rules_forms.module, line 301

Rules Forms Support provides events, conditions, and actions for site forms.

Code

function rules_forms_build_elements($form, &$form_info, $parent = '') {
  foreach (element_children($form) as $key) {

    // Only save element that have title or value and are not hidden or tokens.
    if (isset($form[$key]['#type'])) {
      if (isset($form[$key]['#title']) && !in_array($form[$key]['#type'], array(
        'hidden',
        'token',
      )) || $form[$key]['#type'] == 'submit' || $form[$key]['#type'] == 'button') {
        $element_id = $form[$key]['#type'] . ':' . $parent . $key;
        $element_key = isset($form[$key]['#title']) ? ucfirst($form[$key]['#title']) : $key;
        $form_info['elements'][$element_id] = array(
          'type' => $form[$key]['#type'],
          'label' => $form[$key]['#type'] == 'submit' || $form[$key]['#type'] == 'button' ? $form[$key]['#value'] : $element_key,
        );

        // If this is a submit element, add it for use in adding button level
        // validation and submission handlers.
        if ($form_info['buttons'] && ($form[$key]['#type'] == 'submit' || $form[$key]['#type'] == 'button')) {
          if (isset($form[$key]['#submit'])) {
            $form_info['submit'][$element_id] = isset($form[$key]['#value']) ? $form[$key]['#value'] : $key;
          }
        }
        if (isset($form[$key]['#options'])) {
          $form_info['elements'][$element_id]['options'] = $form[$key]['#options'];
        }
      }
    }

    // Recursive call on children.
    rules_forms_build_elements($form[$key], $form_info, $parent . $key . ':');
  }
}