silverstripe-framework/src/ORM/FieldType/DBYear.php

53 lines
1.4 KiB
PHP

<?php
namespace SilverStripe\ORM\FieldType;
use SilverStripe\Forms\DropdownField;
use SilverStripe\ORM\DB;
/**
* Represents a single year field.
*/
class DBYear extends DBField
{
public function requireField()
{
$parts = ['datatype' => 'year', 'precision' => 4, 'arrayValue' => $this->arrayValue];
$values = ['type' => 'year', 'parts' => $parts];
DB::require_field($this->tableName, $this->name, $values);
}
public function scaffoldFormField($title = null, $params = null)
{
$selectBox = DropdownField::create($this->name, $title);
$selectBox->setSource($this->getDefaultOptions());
return $selectBox;
}
/**
* Returns a list of default options that can
* be used to populate a select box, or compare against
* input values. Starts by default at the current year,
* and counts back to 1900.
*
* @param int|bool $start starting date to count down from
* @param int|bool $end end date to count down to
* @return array
*/
private function getDefaultOptions($start = null, $end = null)
{
if (!$start) {
$start = (int)date('Y');
}
if (!$end) {
$end = 1900;
}
$years = [];
for ($i = $start; $i >= $end; $i--) {
$years[$i] = $i;
}
return $years;
}
}