/**
* Tests opting out of Stable by setting the base theme to false.
*/
public function testWildWest()
{
$this->themeHandler->install(['test_wild_west']);
$this->config('system.theme')->set('default', 'test_wild_west')->save();
$theme = $this->themeManager->getActiveTheme();
/** @var \Drupal\Core\Theme\ActiveTheme $base_theme */
$base_themes = $theme->getBaseThemes();
$this->assertTrue(empty($base_themes), 'No base theme is set when a theme has opted out of using Stable.');
}
/**
* Set the default theme.
*
* @param \Symfony\Component\HttpFoundation\Request $request
* A request object containing a theme name.
*
* @return \Symfony\Component\HttpFoundation\RedirectResponse
* Redirects back to the appearance admin page.
*
* @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
* Throws access denied when no theme is set in the request.
*/
public function setDefaultTheme(Request $request)
{
$config = $this->configFactory->getEditable('system.theme');
$theme = $request->query->get('theme');
if (isset($theme)) {
// Get current list of themes.
$themes = $this->themeHandler->listInfo();
// Check if the specified theme is one recognized by the system.
// Or try to install the theme.
if (isset($themes[$theme]) || $this->themeHandler->install(array($theme))) {
$themes = $this->themeHandler->listInfo();
// Set the default theme.
$config->set('default', $theme)->save();
$this->routeBuilder->setRebuildNeeded();
// The status message depends on whether an admin theme is currently in
// use: a value of 0 means the admin theme is set to be the default
// theme.
$admin_theme = $config->get('admin');
if ($admin_theme != 0 && $admin_theme != $theme) {
drupal_set_message($this->t('Please note that the administration theme is still set to the %admin_theme theme; consequently, the theme on this page remains unchanged. All non-administrative sections of the site, however, will show the selected %selected_theme theme by default.', array('%admin_theme' => $themes[$admin_theme]->info['name'], '%selected_theme' => $themes[$theme]->info['name'])));
} else {
drupal_set_message($this->t('%theme is now the default theme.', array('%theme' => $themes[$theme]->info['name'])));
}
} else {
drupal_set_message($this->t('The %theme theme was not found.', array('%theme' => $theme)), 'error');
}
return $this->redirect('system.themes_page');
}
throw new AccessDeniedHttpException();
}