Implements hook_form().
function node_content_form(EntityInterface $node, $form_state) {
// @todo It is impossible to define a content type without implementing
// hook_form(). Remove this requirement.
$form = array();
$type = node_type_load($node->type);
if ($type->has_title) {
$form['title'] = array(
'#type' => 'textfield',
'#title' => check_plain($type->title_label),
'#required' => TRUE,
'#default_value' => $node->title,
'#maxlength' => 255,
'#weight' => -5,
);
}
return $form;
}