IsImmutableField.inc.php
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<?php
class IsImmutableField extends DBFieldExpr
{
public function __construct()
{
parent::__construct('immutable', 'documents', 'Is Immutable');
$this->setAlias('IsImmutable');
$this->isValueQuoted(false);
}
public function modifyValue($value)
{
if (is_numeric($value))
{
$value = ($value+0)?1:0;
}
else
{
switch(strtolower($value))
{
case 'true':
case 'yes':
$value=1;
break;
default:
$value=0;
}
}
return $value;
}
public function getInputRequirements()
{
return array('value'=>array('type'=>FieldInputType::BOOLEAN));
}
public function is_valid()
{
return DefaultOpCollection::validateParent($this, DefaultOpCollection::$is);
}
}
?>