2 files changed, 45 insertions, 0 deletions
diff --git a/app/assets/javascripts/dispatcher.js b/app/assets/javascripts/dispatcher.js
index 7b9b9123c31..fcf3cb05e63 100644
--- a/app/assets/javascripts/dispatcher.js
+++ b/app/assets/javascripts/dispatcher.js
@@ -37,6 +37,7 @@ import PrometheusGraph from './monitoring/prometheus_graph'; // TODO: Maybe Make
 import Issue from './issue';
 
 import BindInOut from './behaviors/bind_in_out';
+import GroupName from './group_name';
 import GroupsList from './groups_list';
 import ProjectsList from './projects_list';
 import MiniPipelineGraph from './mini_pipeline_graph_dropdown';
@@ -342,6 +343,9 @@ const UserCallout = require('./user_callout');
           shortcut_handler = new ShortcutsDashboardNavigation();
           new UserCallout();
           break;
+        case 'groups':
+          new GroupName();
+          break;
         case 'profiles':
           new NotificationsForm();
           new NotificationsDropdown();
@@ -349,6 +353,7 @@ const UserCallout = require('./user_callout');
         case 'projects':
           new Project();
           new ProjectAvatar();
+          new GroupName();
           switch (path[1]) {
             case 'compare':
               new CompareAutocomplete();
diff --git a/app/assets/javascripts/group_name.js b/app/assets/javascripts/group_name.js
new file mode 100644
index 00000000000..6a028f299b1
--- /dev/null
+++ b/app/assets/javascripts/group_name.js
@@ -0,0 +1,40 @@
+const GROUP_LIMIT = 2;
+
+export default class GroupName {
+  constructor() {
+    this.titleContainer = document.querySelector('.title');
+    this.groups = document.querySelectorAll('.group-path');
+    this.groupTitle = document.querySelector('.group-title');
+    this.toggle = null;
+    this.isHidden = false;
+    this.init();
+  }
+
+  init() {
+    if (this.groups.length > GROUP_LIMIT) {
+      this.groups[this.groups.length - 1].classList.remove('hidable');
+      this.addToggle();
+    }
+    this.render();
+  }
+
+  addToggle() {
+    const header = document.querySelector('.header-content');
+    this.toggle = document.createElement('button');
+    this.toggle.className = 'text-expander group-name-toggle';
+    this.toggle.setAttribute('aria-label', 'Toggle full path');
+    this.toggle.innerHTML = '...';
+    this.toggle.addEventListener('click', this.toggleGroups.bind(this));
+    header.insertBefore(this.toggle, this.titleContainer);
+    this.toggleGroups();
+  }
+
+  toggleGroups() {
+    this.isHidden = !this.isHidden;
+    this.groupTitle.classList.toggle('is-hidden');
+  }
+
+  render() {
+    this.titleContainer.classList.remove('initializing');
+  }
+}