gistfile1.txt

<?php
class ArticlePage extends Page {
	private static $db = array(
        'Date' => 'Date',
        'Author' => 'Text'
    );
    public function getCMSFields() {
        $fields = parent::getCMSFields();
        // var_dump($fields);
         
        $dateField = new DateField('Date');
        $dateField->setConfig('showcalendar', true);
        $fields->addFieldToTab('Root.Main', $dateField, 'Content');
        $fields->addFieldToTab('Root.Main', new TextField('Author'), 'Content');
         
        return $fields;
    }
}
class ArticlePage_Controller extends Page_Controller {
}