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HeraldField.php
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Created
Tue, Oct 15, 07:06

HeraldField.php
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<?php
abstract class HeraldField extends Phobject {
private $adapter;
const STANDARD_LIST = 'standard.list';
const STANDARD_BOOL = 'standard.bool';
const STANDARD_TEXT = 'standard.text';
const STANDARD_PHID = 'standard.phid';
const STANDARD_PHID_NULLABLE = 'standard.phid.nullable';
abstract public function getHeraldFieldName();
abstract public function getHeraldFieldValue($object);
public function getHeraldFieldConditions() {
switch ($this->getHeraldFieldStandardConditions()) {
case self::STANDARD_LIST:
return array(
HeraldAdapter::CONDITION_INCLUDE_ALL,
HeraldAdapter::CONDITION_INCLUDE_ANY,
HeraldAdapter::CONDITION_INCLUDE_NONE,
HeraldAdapter::CONDITION_EXISTS,
HeraldAdapter::CONDITION_NOT_EXISTS,
);
case self::STANDARD_BOOL:
return array(
HeraldAdapter::CONDITION_IS_TRUE,
HeraldAdapter::CONDITION_IS_FALSE,
);
case self::STANDARD_TEXT:
return array(
HeraldAdapter::CONDITION_CONTAINS,
HeraldAdapter::CONDITION_NOT_CONTAINS,
HeraldAdapter::CONDITION_IS,
HeraldAdapter::CONDITION_IS_NOT,
HeraldAdapter::CONDITION_REGEXP,
);
case self::STANDARD_PHID:
return array(
HeraldAdapter::CONDITION_IS_ANY,
HeraldAdapter::CONDITION_IS_NOT_ANY,
);
case self::STANDARD_PHID_NULLABLE:
return array(
HeraldAdapter::CONDITION_IS_ANY,
HeraldAdapter::CONDITION_IS_NOT_ANY,
HeraldAdapter::CONDITION_EXISTS,
HeraldAdapter::CONDITION_NOT_EXISTS,
);
}
throw new Exception(pht('Unknown standard condition set.'));
}
protected function getHeraldFieldStandardConditions() {
throw new PhutilMethodNotImplementedException();
}
abstract public function getHeraldFieldValueType($condition);
abstract public function supportsObject($object);
public function getFieldsForObject($object) {
return array($this->getFieldConstant() => $this);
}
public function renderConditionValue(
PhabricatorUser $viewer,
$value) {
// TODO: While this is less of a mess than it used to be, it would still
// be nice to push this down into individual fields better eventually and
// stop guessing which values are PHIDs and which aren't.
if (!is_array($value)) {
return $value;
}
$type_unknown = PhabricatorPHIDConstants::PHID_TYPE_UNKNOWN;
foreach ($value as $key => $val) {
if (is_string($val)) {
if (phid_get_type($val) !== $type_unknown) {
$value[$key] = $viewer->renderHandle($val);
}
}
}
return phutil_implode_html(', ', $value);
}
public function getEditorValue(
PhabricatorUser $viewer,
$value) {
// TODO: This should be better structured and pushed down into individual
// fields. As it is used to manually build tokenizer tokens, it can
// probably be removed entirely.
if (is_array($value)) {
$handles = $viewer->loadHandles($value);
$value_map = array();
foreach ($value as $k => $phid) {
$value_map[$phid] = $handles[$phid]->getName();
}
$value = $value_map;
}
return $value;
}
final public function setAdapter(HeraldAdapter $adapter) {
$this->adapter = $adapter;
return $this;
}
final public function getAdapter() {
return $this->adapter;
}
final public function getFieldConstant() {
$class = new ReflectionClass($this);
$const = $class->getConstant('FIELDCONST');
if ($const === false) {
throw new Exception(
pht(
'"%s" class "%s" must define a "%s" property.',
__CLASS__,
get_class($this),
'FIELDCONST'));
}
$limit = self::getFieldConstantByteLimit();
if (!is_string($const) || (strlen($const) > $limit)) {
throw new Exception(
pht(
'"%s" class "%s" has an invalid "%s" property. Field constants '.
'must be strings and no more than %s bytes in length.',
__CLASS__,
get_class($this),
'FIELDCONST',
new PhutilNumber($limit)));
}
return $const;
}
final public static function getFieldConstantByteLimit() {
return 64;
}
final public static function getAllFields() {
return id(new PhutilClassMapQuery())
->setAncestorClass(__CLASS__)
->setUniqueMethod('getFieldConstant')
->execute();
}
}

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