public function PerformanceForm::buildForm in Zircon Profile 8
Same name and namespace in other branches
- 8.0 core/modules/system/src/Form/PerformanceForm.php \Drupal\system\Form\PerformanceForm::buildForm()
Form constructor.
Parameters
array $form: An associative array containing the structure of the form.
\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.
Return value
array The form structure.
Overrides ConfigFormBase::buildForm
File
- core/
modules/ system/ src/ Form/ PerformanceForm.php, line 103 - Contains \Drupal\system\Form\PerformanceForm.
Class
- PerformanceForm
- Configure performance settings for this site.
Namespace
Drupal\system\FormCode
public function buildForm(array $form, FormStateInterface $form_state) {
$form['#attached']['library'][] = 'system/drupal.system';
$config = $this
->config('system.performance');
$form['clear_cache'] = array(
'#type' => 'details',
'#title' => t('Clear cache'),
'#open' => TRUE,
);
$form['clear_cache']['clear'] = array(
'#type' => 'submit',
'#value' => t('Clear all caches'),
'#submit' => array(
'::submitCacheClear',
),
);
$form['caching'] = array(
'#type' => 'details',
'#title' => t('Caching'),
'#open' => TRUE,
'#description' => $this
->t('Note: Drupal provides an internal page cache module that is recommended for small to medium-sized websites.'),
);
// Identical options to the ones for block caching.
// @see \Drupal\Core\Block\BlockBase::buildConfigurationForm()
$period = array(
0,
60,
180,
300,
600,
900,
1800,
2700,
3600,
10800,
21600,
32400,
43200,
86400,
);
$period = array_map(array(
$this->dateFormatter,
'formatInterval',
), array_combine($period, $period));
$period[0] = '<' . t('no caching') . '>';
$form['caching']['page_cache_maximum_age'] = array(
'#type' => 'select',
'#title' => t('Page cache maximum age'),
'#default_value' => $config
->get('cache.page.max_age'),
'#options' => $period,
'#description' => t('The maximum time a page can be cached by browsers and proxies. This is used as the value for max-age in Cache-Control headers.'),
);
$directory = 'public://';
$is_writable = is_dir($directory) && is_writable($directory);
$disabled = !$is_writable;
$disabled_message = '';
if (!$is_writable) {
$disabled_message = ' ' . t('<strong class="error">Set up the <a href=":file-system">public files directory</a> to make these optimizations available.</strong>', array(
':file-system' => $this
->url('system.file_system_settings'),
));
}
$form['bandwidth_optimization'] = array(
'#type' => 'details',
'#title' => t('Bandwidth optimization'),
'#open' => TRUE,
'#description' => t('External resources can be optimized automatically, which can reduce both the size and number of requests made to your website.') . $disabled_message,
);
$form['bandwidth_optimization']['preprocess_css'] = array(
'#type' => 'checkbox',
'#title' => t('Aggregate CSS files'),
'#default_value' => $config
->get('css.preprocess'),
'#disabled' => $disabled,
);
$form['bandwidth_optimization']['preprocess_js'] = array(
'#type' => 'checkbox',
'#title' => t('Aggregate JavaScript files'),
'#default_value' => $config
->get('js.preprocess'),
'#disabled' => $disabled,
);
return parent::buildForm($form, $form_state);
}