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<?php
/**
 * A redirector page that redirects to its first child
 */
class ChildRedirectorPage extends Page {
	
	static $add_action = 'Redirector to first child';
	
	function ContentSource() {
		if($this->Children()->First()) {
			return $this->Children()->First();
		} else {
			return $this;
		}		
	}
	
	function Link() {
		if($this->Children()->First()) return $this->Children()->First()->Link();
		else return parent::Link();
	}
	
	function getCMSFields() {
		$fields = parent::getCMSFields();
		$fields->removeByName('Content', true);
		return $fields;
	}
	
	function subPagesToCache() {
		$urls = parent::subPagesToCache();
		$urls[] = $this->URLSegment . '/';
		return $urls;
	}
}

class ChildRedirectorPage_Controller extends Page_Controller {
	function init() {
		parent::init();
		if($this->Children()->First()) {
			Director::redirect($this->Children()->First()->Link(), 301);
		}
	}
}