From a2945110304c581c951909dedfe2dc5eed6ffcdb Mon Sep 17 00:00:00 2001
From: Liam Morland <lkmorlan@uwaterloo.ca>
Date: Tue, 1 Jun 2021 13:10:55 -0400
Subject: [PATCH] ISTWCMS-4635: Create UWDropbutton with access check
---
src/Plugin/views/field/UWDropbutton.php | 42 +++++++++++++++++++++++++
uw_cfg_common.module | 8 +++++
2 files changed, 50 insertions(+)
create mode 100644 src/Plugin/views/field/UWDropbutton.php
diff --git a/src/Plugin/views/field/UWDropbutton.php b/src/Plugin/views/field/UWDropbutton.php
new file mode 100644
index 00000000..c9bf0aac
--- /dev/null
+++ b/src/Plugin/views/field/UWDropbutton.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace Drupal\uw_cfg_common\Plugin\views\field;
+
+use Drupal\views\Plugin\views\field\Dropbutton;
+use Drupal\views\ResultRow;
+
+/**
+ * Provides a handler that renders links as dropbutton with access check.
+ *
+ * Identical to parent class except that render() removes links for which the
+ * user has no access.
+ *
+ * @ingroup views_field_handlers
+ *
+ * @ViewsField("uwdropbutton")
+ */
+class UWDropbutton extends Dropbutton {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function render(ResultRow $values) {
+ $links = [];
+ foreach ($this->getLinks() as $link) {
+ if ($link['url']->access()) {
+ $links[] = $link;
+ }
+ }
+
+ if (!empty($links)) {
+ return [
+ '#type' => 'dropbutton',
+ '#links' => $links,
+ ];
+ }
+ else {
+ return '';
+ }
+ }
+
+}
diff --git a/uw_cfg_common.module b/uw_cfg_common.module
index e2484bf2..b44da4c4 100644
--- a/uw_cfg_common.module
+++ b/uw_cfg_common.module
@@ -581,3 +581,11 @@ function uw_cfg_common_block_content_create_access(AccountInterface $account, ar
// No opinion.
return AccessResult::neutral();
}
+
+/**
+ * Implements hook_views_plugins_field_alter().
+ */
+function uw_cfg_common_views_plugins_field_alter(array &$plugins): void {
+ // Replace Drupal\views\Plugin\views\field\Dropbutton with UW version.
+ $plugins['dropbutton']['class'] = 'Drupal\uw_cfg_common\Plugin\views\field\UWDropbutton';
+}
--
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