class.dynamic_forms.php

            $this->value = $value;
            return parent::render($mode);
        }

        $source = array();
        foreach ($this->field->getList()->getItems() as $i)
            $source[] = array(
                'value' => $i->get('value'), 'id' => $i->get('id'),
                'info' => $i->get('value')." -- ".$i->get('extra'),
            );
        ?>
        <span style="display:inline-block">
        <input type="text" size="30" name="<?php echo $this->name; ?>"
            id="<?php echo $this->name; ?>" value="<?php echo $name; ?>"
            placeholder="<?php echo $config['prompt'];
            ?>" autocomplete="off" />
        <input type="hidden" name="<?php echo $this->name;
            ?>_id" id="<?php echo $this->name; ?>_id" value="<?php echo $value; ?>"/>
        <script type="text/javascript">
        $(function() {
            $('input#<?php echo $this->name; ?>').typeahead({
                source: <?php echo JsonDataEncoder::encode($source); ?>,
                property: 'info',
                onselect: function(item) {
                    $('input#<?php echo $this->name; ?>').val(item['value'])
                    $('input#<?php echo $this->name; ?>_id').val(item['id'])
                }
            });
        });
        </script>
        </span>
        <?php
    }

    function getValue() {
        $data = $this->field->getSource();
        // Search for HTML form name first
        if (isset($data[$this->name.'_id']))
            return (int) $data[$this->name.'_id'];
        return parent::getValue();
    }

    function getEnteredValue() {
        // Used to verify typeahead fields
        return parent::getValue();
    }
}
?>