silverstripe-framework/model/fieldtypes/Percentage.php

45 lines
921 B
PHP

<?php
/**
* Represents a decimal field from 0-1 containing a percentage value.
*
* Example instantiation in {@link DataObject::$db}:
* <code>
* static $db = array(
* "SuccessRatio" => "Percentage",
* "ReallyAccurate" => "Percentage(6)",
* );
* </code>
*
* @package sapphire
* @subpackage model
*/
class Percentage extends Decimal {
/**
* Create a new Decimal field.
*/
function __construct($name, $precision = 4) {
if(!$precision) $precision = 4;
parent::__construct($name, $precision + 1, $precision);
}
/**
* Returns the number, expressed as a percentage. For example, “36.30%”
*/
function Nice() {
return number_format($this->value * 100, $this->decimalSize - 2) . '%';
}
function saveInto($dataObject) {
parent::saveInto($dataObject);
$fieldName = $this->name;
if($fieldName && $dataObject->$fieldName > 1.0) {
$dataObject->$fieldName = 1.0;
}
}
}
?>