function ElementInfoManager::buildInfo
Same name in other branches
- 9 core/lib/Drupal/Core/Render/ElementInfoManager.php \Drupal\Core\Render\ElementInfoManager::buildInfo()
- 8.9.x core/lib/Drupal/Core/Render/ElementInfoManager.php \Drupal\Core\Render\ElementInfoManager::buildInfo()
- 10 core/lib/Drupal/Core/Render/ElementInfoManager.php \Drupal\Core\Render\ElementInfoManager::buildInfo()
Builds up all element information.
Parameters
string $theme_name: The theme name.
Return value
array
1 call to ElementInfoManager::buildInfo()
- ElementInfoManager::getInfo in core/
lib/ Drupal/ Core/ Render/ ElementInfoManager.php - Retrieves the default properties for the defined element type.
File
-
core/
lib/ Drupal/ Core/ Render/ ElementInfoManager.php, line 90
Class
- ElementInfoManager
- Provides a plugin manager for element plugins.
Namespace
Drupal\Core\RenderCode
protected function buildInfo($theme_name) {
// Get cached definitions.
$cid = $this->getCid($theme_name);
if ($cache = $this->cacheBackend
->get($cid)) {
return $cache->data;
}
// Otherwise, rebuild and cache.
$info = [];
$previous_error_handler = set_error_handler(function ($severity, $message, $file, $line) use (&$previous_error_handler) {
// Ignore deprecations while building element information.
if ($severity === E_USER_DEPRECATED) {
// Don't execute PHP internal error handler.
return TRUE;
}
if ($previous_error_handler) {
return $previous_error_handler($severity, $message, $file, $line);
}
});
foreach ($this->getDefinitions() as $element_type => $definition) {
$element = $this->createInstance($element_type);
$element_info = $element->getInfo();
// If this is element is to be used exclusively in a form, denote that it
// will receive input, and assign the value callback.
if ($element instanceof FormElementInterface) {
$element_info['#input'] = TRUE;
$element_info['#value_callback'] = [
$definition['class'],
'valueCallback',
];
}
$info[$element_type] = $element_info;
}
restore_error_handler();
foreach ($info as $element_type => $element) {
$info[$element_type]['#type'] = $element_type;
}
// Allow modules to alter the element type defaults.
$this->moduleHandler
->alter('element_info', $info);
$this->themeManager
->alter('element_info', $info);
$this->cacheBackend
->set($cid, $info);
return $info;
}
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