<?php

abstract class BedrockUtil {

	/**
	 * A handy function for turning a given class into a dropdown map.
	 * Will return an empty array if no records exist.
	 *
	 * @param string $class The class to retrieve from the database
	 * @param string $key The field that will be stored in the value of each dropdown option
	 * @param string $val The field that will be stored in the text of each dropdown option
	 * @param string $filter A SQL filter clause to add to the query
	 * @param string $sort A SQL order by clause to add to the query
	 * @param string $join A SQL join clause to add to the query
	 * @param string $limit A SQL limit clause to add to the query
	 * @return array
	 */	 	 	 
	public static function map($class, $key = 'ID', $val = 'Title', $filter = null, $sort = null, $join = null, $limit = null) {
	    $set = DataObject::get($class, $filter, $sort, $join, $limit);
	    return $set ? $set->toDropdownMap($key, $val) : array();
	}

	/**
	 * Ensures proper form for classnames, fieldnames. No spaces, UpperCamelCase
	 *
	 * @param string $str The string to process
	 * @return string
	 */	 
	public static function proper_form($str) {
		return str_replace(" ","",ucwords($str));
	}
	
	/**
	 * If only a single tab name is given, make it easy and apply it to "Root.Content"
	 *
	 * @param string $tab The name of the tab
	 * @return string
	 */	
	public static function clean_tab($tab) {
		if(false === stristr($tab,"Root."))
			$tab = "Root.Content.{$tab}";
		return $tab;	
	}
	
	/**
	 * If a null label is provided, run it through {@see FormField::name_to_label()}
	 *
	 * @param string $label A label for the field
	 * @param string $name The name of the field
	 * @return string
	 */
	public static function get_label($label, $name) {
		if(!$label)
			return FormField::name_to_label($name);	
		return $label;
	}


}