code/models/EditableField.php
public function getFormField()
    {
        if (null === $this->field) {
            $this->field = $this->initFormField();
        }

        return $this->field;
    }
public function getFormField()
    {
        if (null === $this->field) {
            $this->field = $this->initFormField();
        }

        return $this->field;
    }
Return a FormField.

@return FormField