Version 1

[yaffs-website] / web / core / modules / node / src / Plugin / views / field / RevisionLink.php

diff --git a/web/core/modules/node/src/Plugin/views/field/RevisionLink.php b/web/core/modules/node/src/Plugin/views/field/RevisionLink.php
new file mode 100644 (file)
index 0000000..29d0176
--- /dev/null
+++ b/web/core/modules/node/src/Plugin/views/field/RevisionLink.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace Drupal\node\Plugin\views\field;
+
+use Drupal\Core\Url;
+use Drupal\views\Plugin\views\field\LinkBase;
+use Drupal\views\ResultRow;
+
+/**
+ * Field handler to present a link to a node revision.
+ *
+ * @ingroup views_field_handlers
+ *
+ * @ViewsField("node_revision_link")
+ */
+class RevisionLink extends LinkBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getUrlInfo(ResultRow $row) {
+    /** @var \Drupal\node\NodeInterface $node */
+    $node = $this->getEntity($row);
+    // Current revision uses the node view path.
+    return !$node->isDefaultRevision() ?
+      Url::fromRoute('entity.node.revision', ['node' => $node->id(), 'node_revision' => $node->getRevisionId()]) :
+      $node->urlInfo();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function renderLink(ResultRow $row) {
+    /** @var \Drupal\node\NodeInterface $node */
+    $node = $this->getEntity($row);
+    if (!$node->getRevisionid()) {
+      return '';
+    }
+    $text = parent::renderLink($row);
+    $this->options['alter']['query'] = $this->getDestinationArray();
+    return $text;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getDefaultLabel() {
+    return $this->t('View');
+  }
+
+}