Refactored global and contextual menu

src/Plugin/Block/ContextualMenu.php

@@ -57,7 +57,7 @@ class ContextualMenu extends BlockBase {
   private function actorPage() {
     $actor = \Drupal::routeMatch()->getParameter('oc_actor');
     $link = $this->getCaseListLink($actor);
-    return "<div class='opencase_nav_links'><p>$link</p></div>";
+    return $this->asNavLinks([$link]);
   }
 
   /**
@@ -67,7 +67,7 @@ class ContextualMenu extends BlockBase {
   private function caseListPage() {
     $actor_id = \Drupal::routeMatch()->getParameter('actor_id');
     $current_path =  \Drupal::service('path.current')->getPath();
-    $markup .= Utils::generateAddLinks('oc_case', ['actor_id' => $actor_id, 'destination' => $current_path]);
+    $markup = Utils::generateAddLinks('oc_case', "Add new case", ['actor_id' => $actor_id, 'destination' => $current_path]);
     return $markup; 
   }
 
@@ -78,7 +78,7 @@ class ContextualMenu extends BlockBase {
    */
   private function casePage() {
 
-    $links = '';
+    $links = [];
 
     // Ascertain if user has come from a case list and if so link back
     // This is fragle code, it needs doing better.
@@ -87,14 +87,12 @@ class ContextualMenu extends BlockBase {
     $path_parts= explode('/', $parts[path]);
     if ($path_parts[4] == 'case_list') {
       $actor = \Drupal::entityTypeManager()->getStorage('oc_actor')->load($path_parts[3]);
-      $link = $this->getCaseListLink($actor);  
-      $links .= "<p>$link</p>";
+      $links[] = $this->getCaseListLink($actor);  
     } 
-
+    // Now get the link to the activity list for the case.
     $case = \Drupal::routeMatch()->getParameter('oc_case');
-    $link = $this->getActivityListLink($case);
-    $links .= "<p>$link</p>";
-    return "<div class='opencase_nav_links'>$links</div>";
+    $links[] = $this->getActivityListLink($case);
+    return $this->asNavLinks($links); 
   }
 
   /**
@@ -103,9 +101,8 @@ class ContextualMenu extends BlockBase {
    */
   private function activityListPage() {
     $case_id = \Drupal::routeMatch()->getParameter('case_id');
-    $current_path =  \Drupal::service('path.current')->getPath();
-    $markup .= Utils::generateAddLinks('oc_activity', ['case_id' => $case_id, 'destination' => $current_path]);
-    return $markup; 
+    $current_path = \Drupal::service('path.current')->getPath();
+    return Utils::generateAddLinks('oc_activity', "Add activity", ['case_id' => $case_id, 'destination' => $current_path]);
   }
 
   /**
@@ -116,7 +113,7 @@ class ContextualMenu extends BlockBase {
     $activity = \Drupal::routeMatch()->getParameter('oc_activity');
     $case = $activity->oc_case->entity;
     $link = $this->getActivityListLink($case);
-    return "<div class='opencase_nav_links'><p>$link</p></div>";
+    return $this->asNavLinks([$link]);
   }
 
 
@@ -135,4 +132,16 @@ class ContextualMenu extends BlockBase {
     $url = Url::fromRoute('view.cases.page_1', array('actor_id' => $actor->id()));
     return Link::fromTextAndUrl(t("Case List for "  . $actor->getName()), $url)->toString();
   }
+
+  /**
+   * Render given links as nav links div with heading
+   */ 
+  private function asNavLinks(array $links) {
+    $markup = '';
+    foreach($links as $link) {
+      $markup .= "<p>$link</p>";
+    }
+    $title = t("Go to:");
+    return "<div class='opencase_nav_links'><h1>$title</h1><p>$link</p></div>";
+  }
 }

src/Plugin/Block/GlobalMenu.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Drupal\opencase\Plugin\Block;
+
+use Drupal\Core\Block\BlockBase;
+use Drupal\Core\Link;
+use Drupal\Core\Url;
+use Drupal\opencase\Utils;
+
+/**
+ * Provides a 'GlobalMenu' block.
+ *
+ * @Block(
+ *  id = "global_menu",
+ *  admin_label = @Translation("OpenCase Global Menu"),
+ * )
+ */
+class GlobalMenu extends BlockBase {
+
+  /**
+   * - Links for adding various types of actor. 
+   */
+  public function build() {
+
+    $build = [];
+    $markup .= Utils::generateAddLinks('oc_actor', 'Add new');
+    $build['global_menu'] = [
+      '#markup' => "<div id='opencase_global_menu'>$markup</div",
+      '#cache' => ['max-age' => 0]
+    ];
+    return $build;
+  }
+}

src/Utils.php

@@ -13,19 +13,21 @@ class Utils {
    * Generates a set of links for adding different types of a base entity
    *
    * $baseEntityType the type of entity to generate the links for (it will generate one for each bundle of the base type)
-   * $query optionally append a query string to the links (key => value format)
+   * $title the title to be placed above the set of links)
+   * $query optionally append a query string to the links (key => value format
    *
    * returns html markup.
    */
-  public static function generateAddLinks($baseEntityType, $query = []) {
+  public static function generateAddLinks($baseEntityType, $title, $query = []) {
     
     $bundles = \Drupal::service('entity_type.bundle.info')->getBundleInfo($baseEntityType);
-    $markup = '';
+    $title = t($title); 
+    $markup = "<h1>$title: </h1>";
     foreach($bundles as $bundle_id => $bundle) {
-      $label = $bundle['label'];
+      $label = t($bundle['label']);
       $url = \Drupal\Core\Url::fromRoute("entity.$baseEntityType.add_form", [$baseEntityType . '_type' => $bundle_id]);
       $url->setOption('query', $query);
-      $link = \Drupal\Core\Link::fromTextAndUrl(t("Add $label"), $url)->toString();
+      $link = \Drupal\Core\Link::fromTextAndUrl($label, $url)->toString();
       $markup .= "<p>$link</p>";
     }
     return "<div class='opencase_add_links'>$markup</div>";