X-Git-Url: http://www.aleph1.co.uk/gitweb/?a=blobdiff_plain;ds=sidebyside;f=web%2Fmodules%2Fcontrib%2Fblock_class%2Fblock_class.module;fp=web%2Fmodules%2Fcontrib%2Fblock_class%2Fblock_class.module;h=b3afb939f5fce485e0ac41e52443eee58ebc7e25;hb=059867c3f96750652c80f39e44c442a58c2549ee;hp=c43fde2fb1116469de101bbeacf274f64476d800;hpb=f8fc16ae6b862bef59baaad5d051dd37b7ff11b2;p=yaffs-website

diff --git a/web/modules/contrib/block_class/block_class.module b/web/modules/contrib/block_class/block_class.module
index c43fde2fb..b3afb939f 100644
--- a/web/modules/contrib/block_class/block_class.module
+++ b/web/modules/contrib/block_class/block_class.module
@@ -2,15 +2,28 @@
 
 /**
  * @file
- * Module for adding classes to blocks.
+ * Adding classes to blocks.
  */
 
+use Drupal\Core\Form\FormStateInterface;
 use Drupal\block\Entity\Block;
+use Drupal\Component\Utility\Html;
+use Drupal\Core\Routing\RouteMatchInterface;
+use Drupal\block\BlockInterface;
+
+/**
+ * Implements hook_ENTITY_TYPE_presave().
+ */
+function block_class_block_presave(BlockInterface $entity) {
+  if (empty($entity->getThirdPartySetting('block_class', 'classes'))) {
+    $entity->unsetThirdPartySetting('block_class', 'classes');
+  }
+}
 
 /**
  * Implements hook_form_FORM_ID_alter().
  */
-function block_class_form_block_form_alter(&$form, \Drupal\Core\Form\FormStateInterface $form_state, $form_id) {
+function block_class_form_block_form_alter(&$form, FormStateInterface $form_state, $form_id) {
   if (\Drupal::currentUser()->hasPermission('administer block classes')) {
 
     /** @var \Drupal\block\BlockInterface $block */
@@ -18,12 +31,12 @@ function block_class_form_block_form_alter(&$form, \Drupal\Core\Form\FormStateIn
 
     // This will automatically be saved in the third party settings.
     $form['third_party_settings']['#tree'] = TRUE;
-    $form['third_party_settings']['block_class']['classes'] = array(
+    $form['third_party_settings']['block_class']['classes'] = [
       '#type' => 'textfield',
       '#title' => t('CSS class(es)'),
       '#description' => t('Customize the styling of this block by adding CSS classes. Separate multiple classes by spaces.'),
       '#default_value' => $block->getThirdPartySetting('block_class', 'classes'),
-    );
+    ];
 
   }
 }
@@ -35,8 +48,36 @@ function block_class_preprocess_block(&$variables) {
   // Blocks coming from page manager widget does not have id.
   if (!empty($variables['elements']['#id'])) {
     $block = Block::load($variables['elements']['#id']);
-    if ($classes = $block->getThirdPartySetting('block_class', 'classes')) {
-      $variables['attributes']['class'][] = $classes;
+    if ($block && $classes = $block->getThirdPartySetting('block_class', 'classes')) {
+      $classes_array = explode(' ', $classes);
+      foreach ($classes_array as $class) {
+        $variables['attributes']['class'][] = Html::cleanCssIdentifier($class, []);
+      }
     }
   }
 }
+
+/**
+ * Implements hook_help().
+ */
+function block_class_help($route_name, RouteMatchInterface $route_match) {
+  switch ($route_name) {
+    // Main module help for the forms_to_email module.
+    case 'help.page.block_class':
+      $output = '';
+      $output .= '<h3>' . t('About') . '</h3>';
+      $output .= '<p>' . t("Block Class allows users to add classes to any block through the block's configuration interface. Hooray for more powerful block theming!") . '</p>';
+
+      $output .= '<h3>' . t('Installation note') . '</h3>';
+      $output .= '<dl>';
+      $output .= '<dt>' . t('Enable the module on <a href=":extend_link">extend menu</a>.', [':extend_link' => \Drupal::url('system.modules_list')]) . '</dt>';
+      $output .= '</dl>';
+
+      $output .= '<h3>' . t('Usage') . '</h3>';
+      $output .= '<dl>';
+      $output .= '<dt>' . t("To add a class to a block, simply visit that block's configuration page at Administration > Structure > Block Layout and click on Configure of the desired block.") . '</dt>';
+      $output .= '</dl>';
+
+      return $output;
+  }
+}