Merge branch 'master' into feature/multi-level-container-registry-images

* master: (1327 commits)
  Merge branch 'render-json-leak' into 'security'
  Merge branch 'ssrf' into 'security'
  Merge branch 'ssrf' into 'security'
  Merge branch 'fix-links-target-blank' into 'security'
  Merge branch '28058-hide-emails-in-atom-feeds' into 'security'
  Fix karma test
  Reset filters after click
  Handle Route#name being nil after an update
  Only add frontend code coverage instrumentation when generating coverage report
  fix recompile assets step in 9.0 upgrade guide to use yarn
  Undo explicit conversion to Integer
  Make level_value accept string integers
  Make feature spec more robust
  Removed d3.js from the main application.js bundle
  Extend compound status for manual actions specs
  Update css to be nice and tidy.
  Fix pipeline status for transition between stages
  add an index to the ghost column
  Return 404 in project issues API endpoint when project cannot be found
  Improve rename projects migration
  ...

Conflicts:
	doc/ci/docker/using_docker_build.md
	spec/lib/gitlab/import_export/all_models.yml

1 files changed, 112 insertions, 0 deletions

diff --git a/app/assets/javascripts/lib/utils/bootstrap_linked_tabs.js b/app/assets/javascripts/lib/utils/bootstrap_linked_tabs.js
new file mode 100644
index 00000000000..2955bda1a36
--- /dev/null
+++ b/app/assets/javascripts/lib/utils/bootstrap_linked_tabs.js
@@ -0,0 +1,112 @@
+/**
+ * Linked Tabs
+ *
+ * Handles persisting and restores the current tab selection and content.
+ * Reusable component for static content.
+ *
+ * ### Example Markup
+ *
+ *  <ul class="nav-links tab-links">
+ *    <li class="active">
+ *      <a data-action="tab1" data-target="#tab1" data-toggle="tab" href="/path/tab1">
+ *        Tab 1
+ *      </a>
+ *    </li>
+ *    <li class="groups-tab">
+ *      <a data-action="tab2" data-target="#tab2" data-toggle="tab" href="/path/tab2">
+ *        Tab 2
+ *      </a>
+ *    </li>
+ *
+ *
+ *  <div class="tab-content">
+ *    <div class="tab-pane" id="tab1">
+ *      Tab 1 Content
+ *    </div>
+ *    <div class="tab-pane" id="tab2">
+ *      Tab 2 Content
+ *    </div>
+ * </div>
+ *
+ *
+ * ### How to use
+ *
+ *  new window.gl.LinkedTabs({
+ *    action: "#{controller.action_name}",
+ *    defaultAction: 'tab1',
+ *    parentEl: '.tab-links'
+ *  });
+ */
+
+(() => {
+  window.gl = window.gl || {};
+
+  window.gl.LinkedTabs = class LinkedTabs {
+    /**
+     * Binds the events and activates de default tab.
+     *
+     * @param  {Object} options
+     */
+    constructor(options) {
+      this.options = options || {};
+
+      this.defaultAction = this.options.defaultAction;
+      this.action = this.options.action || this.defaultAction;
+
+      if (this.action === 'show') {
+        this.action = this.defaultAction;
+      }
+
+      this.currentLocation = window.location;
+
+      const tabSelector = `${this.options.parentEl} a[data-toggle="tab"]`;
+
+      // since this is a custom event we need jQuery :(
+      $(document)
+        .off('shown.bs.tab', tabSelector)
+        .on('shown.bs.tab', tabSelector, e => this.tabShown(e));
+
+      this.activateTab(this.action);
+    }
+
+    /**
+     * Handles the `shown.bs.tab` event to set the currect url action.
+     *
+     * @param  {type} evt
+     * @return {Function}
+     */
+    tabShown(evt) {
+      const source = evt.target.getAttribute('href');
+
+      return this.setCurrentAction(source);
+    }
+
+    /**
+     * Updates the URL with the path that matched the given action.
+     *
+     * @param  {String} source
+     * @return {String}
+     */
+    setCurrentAction(source) {
+      const copySource = source;
+
+      copySource.replace(/\/+$/, '');
+
+      const newState = `${copySource}${this.currentLocation.search}${this.currentLocation.hash}`;
+
+      history.replaceState({
+        url: newState,
+      }, document.title, newState);
+      return newState;
+    }
+
+    /**
+     * Given the current action activates the correct tab.
+     * http://getbootstrap.com/javascript/#tab-show
+     * Note: Will trigger `shown.bs.tab`
+     */
+    activateTab() {
+      return $(`${this.options.parentEl} a[data-action='${this.action}']`).tab('show');
+    }
+  };
+})();