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PhabricatorStandardSelectCustomFieldDatasource.php
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Created
Mon, Dec 2, 18:52

PhabricatorStandardSelectCustomFieldDatasource.php
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<?php
final class PhabricatorStandardSelectCustomFieldDatasource
extends PhabricatorTypeaheadDatasource {
public function getBrowseTitle() {
return pht('Browse Values');
}
public function getPlaceholderText() {
return pht('Type a field value...');
}
public function getDatasourceApplicationClass() {
return null;
}
public function loadResults() {
$viewer = $this->getViewer();
$class = $this->getParameter('object');
if (!class_exists($class)) {
throw new Exception(
pht(
'Custom field class "%s" does not exist.',
$class));
}
$reflection = new ReflectionClass($class);
$interface = 'PhabricatorCustomFieldInterface';
if (!$reflection->implementsInterface($interface)) {
throw new Exception(
pht(
'Custom field class "%s" does not implement interface "%s".',
$class,
$interface));
}
$role = $this->getParameter('role');
if (!strlen($role)) {
throw new Exception(pht('No custom field role specified.'));
}
$object = newv($class, array());
$field_list = PhabricatorCustomField::getObjectFields($object, $role);
$field_key = $this->getParameter('key');
if (!strlen($field_key)) {
throw new Exception(pht('No custom field key specified.'));
}
$field = null;
foreach ($field_list->getFields() as $candidate_field) {
if ($candidate_field->getFieldKey() == $field_key) {
$field = $candidate_field;
break;
}
}
if ($field === null) {
throw new Exception(
pht(
'No field with field key "%s" exists for objects of class "%s" with '.
'custom field role "%s".',
$field_key,
$class,
$role));
}
if (!($field instanceof PhabricatorStandardCustomFieldSelect)) {
$field = $field->getProxy();
if (!($field instanceof PhabricatorStandardCustomFieldSelect)) {
throw new Exception(
pht(
'Field "%s" is not a standard select field, nor a proxy of a '.
'standard select field.',
$field_key));
}
}
$options = $field->getOptions();
$results = array();
foreach ($options as $key => $option) {
$results[] = id(new PhabricatorTypeaheadResult())
->setName($option)
->setPHID($key);
}
return $this->filterResultsAgainstTokens($results);
}
}

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