<?php

class BedrockRelationDropdown extends HTMLDropdownField {
	
	public function __construct(BedrockField $field) {
			$class = $field->getMap();
			parent::__construct($field->getFieldName()."ID", $field->getLabel(), BedrockUtil::map($field->getMap(),'ID', $field->getLabelField()));
			if($str = $field->getEmptyString())
				$this->setEmptyString($str);
			if($class == "SiteTree" || is_subclass_of($class, "SiteTree")) {
				$f = new SimpleTreeDropdownField('dummy',null, $class);
				$this->setSource($f->getSource());				
			}

			return $this;
	}
}