public function ThemeInstaller::install in Zircon Profile 8
Same name and namespace in other branches
- 8.0 core/lib/Drupal/Core/Extension/ThemeInstaller.php \Drupal\Core\Extension\ThemeInstaller::install()
Installs a given list of themes.
Parameters
array $theme_list: An array of theme names.
bool $install_dependencies: (optional) If TRUE, dependencies will automatically be installed in the correct order. This incurs a significant performance cost, so use FALSE if you know $theme_list is already complete and in the correct order.
Return value
bool Whether any of the given themes have been installed.
Throws
\Drupal\Core\Extension\ExtensionNameLengthException Thrown when the theme name is to long
Overrides ThemeInstallerInterface::install
File
- core/
lib/ Drupal/ Core/ Extension/ ThemeInstaller.php, line 105 - Contains \Drupal\Core\Extension\ThemeInstaller.
Class
- ThemeInstaller
- Manages theme installation/uninstallation.
Namespace
Drupal\Core\ExtensionCode
public function install(array $theme_list, $install_dependencies = TRUE) {
$extension_config = $this->configFactory
->getEditable('core.extension');
$theme_data = $this->themeHandler
->rebuildThemeData();
if ($install_dependencies) {
$theme_list = array_combine($theme_list, $theme_list);
if ($missing = array_diff_key($theme_list, $theme_data)) {
// One or more of the given themes doesn't exist.
throw new \InvalidArgumentException('Unknown themes: ' . implode(', ', $missing) . '.');
}
// Only process themes that are not installed currently.
$installed_themes = $extension_config
->get('theme') ?: array();
if (!($theme_list = array_diff_key($theme_list, $installed_themes))) {
// Nothing to do. All themes already installed.
return TRUE;
}
while (list($theme) = each($theme_list)) {
// Add dependencies to the list. The new themes will be processed as
// the while loop continues.
foreach (array_keys($theme_data[$theme]->requires) as $dependency) {
if (!isset($theme_data[$dependency])) {
// The dependency does not exist.
return FALSE;
}
// Skip already installed themes.
if (!isset($theme_list[$dependency]) && !isset($installed_themes[$dependency])) {
$theme_list[$dependency] = $dependency;
}
}
}
// Set the actual theme weights.
$theme_list = array_map(function ($theme) use ($theme_data) {
return $theme_data[$theme]->sort;
}, $theme_list);
// Sort the theme list by their weights (reverse).
arsort($theme_list);
$theme_list = array_keys($theme_list);
}
else {
$installed_themes = $extension_config
->get('theme') ?: array();
}
$themes_installed = array();
foreach ($theme_list as $key) {
// Only process themes that are not already installed.
$installed = $extension_config
->get("theme.{$key}") !== NULL;
if ($installed) {
continue;
}
// Throw an exception if the theme name is too long.
if (strlen($key) > DRUPAL_EXTENSION_NAME_MAX_LENGTH) {
throw new ExtensionNameLengthException("Theme name {$key} is over the maximum allowed length of " . DRUPAL_EXTENSION_NAME_MAX_LENGTH . ' characters.');
}
// Validate default configuration of the theme. If there is existing
// configuration then stop installing.
$this->configInstaller
->checkConfigurationToInstall('theme', $key);
// The value is not used; the weight is ignored for themes currently. Do
// not check schema when saving the configuration.
$extension_config
->set("theme.{$key}", 0)
->save(TRUE);
// Add the theme to the current list.
// @todo Remove all code that relies on $status property.
$theme_data[$key]->status = 1;
$this->themeHandler
->addTheme($theme_data[$key]);
// Update the current theme data accordingly.
$current_theme_data = $this->state
->get('system.theme.data', array());
$current_theme_data[$key] = $theme_data[$key];
$this->state
->set('system.theme.data', $current_theme_data);
// Reset theme settings.
$theme_settings =& drupal_static('theme_get_setting');
unset($theme_settings[$key]);
// @todo Remove system_list().
$this
->systemListReset();
// Only install default configuration if this theme has not been installed
// already.
if (!isset($installed_themes[$key])) {
// Install default configuration of the theme.
$this->configInstaller
->installDefaultConfig('theme', $key);
}
$themes_installed[] = $key;
// Record the fact that it was installed.
$this->logger
->info('%theme theme installed.', array(
'%theme' => $key,
));
}
$this->cssCollectionOptimizer
->deleteAll();
$this
->resetSystem();
// Invoke hook_themes_installed() after the themes have been installed.
$this->moduleHandler
->invokeAll('themes_installed', array(
$themes_installed,
));
return !empty($themes_installed);
}