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<?php
/**
* A limit dropdown, which accepts any valid number
*
* @stable to extend
*/
class HTMLSelectLimitField extends HTMLSelectField {
/**
* Basically don't do any validation. If it's a number that's fine. Also,
* add it to the list if it's not there already
*
* @param string $value
* @param array $alldata
* @return bool
*/
public function validate( $value, $alldata ) {
if ( $value == '' ) {
return true;
}
// Let folks pick an explicit limit not from our list, as long as it's a real numbr.
if ( !in_array( $value, $this->mParams['options'] )
&& $value == intval( $value )
&& $value > 0
) {
// This adds the explicitly requested limit value to the drop-down,
// then makes sure it's sorted correctly so when we output the list
// later, the custom option doesn't just show up last.
$this->mParams['options'][$this->mParent->getLanguage()->formatNum( $value )] =
intval( $value );
asort( $this->mParams['options'] );
}
return true;
}
}
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