Yii Framework: How to reduce the amount of the widget code.

_datePicker.php

<?php $this->widget('zii.widgets.jui.CJuiDatePicker', array(
    'model' => $model,
    'attribute' => $attribute,
    'language' => 'ja',
    'options' => array(
        'dateFormat' => 'yy-mm-dd',
        'yearRange' => '-70:+0',
        'changeYear' => 'true',
        'changeMonth' => 'true',
        'showButtonPanel' => 'true',
        'showOn' => 'both',
        'buttonImage' => '/images/calendar.png',
        'buttonImageOnly' => 'true',
    ),
)); ?>

_form.php

<?php $this->widget('zii.widgets.jui.CJuiDatePicker', array(
    'model' => $model,
    'attribute' => 'birth',
    'language' => 'ja',
    'options' => array(
        'dateFormat' => 'yy-mm-dd',
        'yearRange' => '-70:+0',
        'changeYear' => 'true',
        'changeMonth' => 'true',
        'showButtonPanel' => 'true',
        'showOn' => 'both',
        'buttonImage' => '/images/calendar.png',
        'buttonImageOnly' => 'true',
    ),
)); ?>

main.php

<?php
return array(
    ...
    'components' => array(
        ...
        'widgetFactory' => array(
            'widgets' => array(
                'CJuiDatePicker' => array(
                    'language' => 'ja',
                    'options' => array(
                        'dateFormat' => 'yy-mm-dd',
                        'yearRange' => '-70:+0',
                        'changeYear' => 'true',
                        'changeMonth' => 'true',
                        'showButtonPanel' => 'true',
                        'showOn' => 'both',
                        'buttonImage' => '/images/calendar.png',
                        'buttonImageOnly' => 'true',
                    ),
                ),
            ),
        ),
        ...

MyDatePicker.php

<?php

Yii::import('zii.widgets.jui.CJuiDatePicker');
/**
 * MyDatePicker class file.
 */
class MyDatePicker extends CJuiDatePicker
{
    /**
     * @see CJuiDatePicker::language
     */
    public $language = 'ja';
    
    /**
     * @see CJuiWidget::options
     */
    public $options = array(
        'dateFormat' => 'yy-mm-dd',
        'yearRange' => '-70:+0',
        'changeYear' => 'true',
        'changeMonth' => 'true',
        'showButtonPanel' => 'true',
        'showOn' => 'both',
        'buttonImage' => '/images/calendar.png',
        'buttonImageOnly' => 'true',
    );
}