function workflowfield_field_widget_form in Workflow 7.2

Same name and namespace in other branches

1. 7 workflow_field/workflowfield.widget.inc \workflowfield_field_widget_form()

Implements hook_field_widget_form().

param $langcode obsolete. Removed from formElement() parameter list.

This is a wrapper function for the 'workflow form' Widget. $form is modified by reference.

1 string reference to 'workflowfield_field_widget_form'

workflowfield.module in workflow_field/workflowfield.module

Supports workflows made up of arbitrary states.

File

workflow_field/workflowfield.widget.inc, line 38

Defines a Workflow Field, Widget and Formatter for Workflow.

Code

function workflowfield_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
  if (!isset($element['#entity'])) {

    // We are now on the 'Manage Fields | Edit' settings page, so do nothing.
    return $element;
  }
  elseif (!isset($element['#entity_type'])) {

    // Not used: On an Entity View page, the widget is shown via
    // workflowfield_field_formatter_view() and workflow_transition_form().
    return $element;
  }
  else {

    // We are on an Entity add/edit page.
    if (!empty($field['settings']['widget']['hide'])) {

      // We want the widget to be hidden, when states are only to be
      // changed via Workflow History tab.
      // This setting is needed, because D7 core does't have a <hidden> widget.
      // @todo D8: remove this, since hidden widgets are available.
      return $element;
    }
    else {

      // Show the widget.
      $entity_type = $element['#entity_type'];
      $entity = $element['#entity'];
      if ($entity_type == 'comment') {

        // On a comment form, get the referenced entity.
        $entity_type = 'node';

        // Comments are only possible on nodes.
        $entity = $form['#node'];

        // Make sure no action buttons are added.
        $instance['widget']['settings']['submit_function'] = array();
      }

      // Build a new $element.
      // Do not use drupal_get_form() or you'll have a form in a form.
      $element = array();
      $widget = new WorkflowTransitionForm($field, $instance, $entity_type, $entity);
      $element = $widget
        ->buildForm($element, $form_state);
      return $element;
    }
  }
  return $element;
}