Add subsection dropdown to gr-admin-view

Bug: Issue 8671
Change-Id: I9f84e6d11477f3a18ea966dd6ded3ca79f9e10ac

polygerrit-ui/app/elements/admin/gr-admin-view/gr-admin-view.html

@@ -24,6 +24,8 @@ limitations under the License.
 <link rel="import" href="../../../styles/gr-page-nav-styles.html">
 <link rel="import" href="../../../styles/shared-styles.html">
 <link rel="import" href="../../core/gr-navigation/gr-navigation.html">
+<link rel="import" href="../../shared/gr-dropdown-list/gr-dropdown-list.html">
+<link rel="import" href="../../shared/gr-icons/gr-icons.html">
 <link rel="import" href="../../shared/gr-js-api-interface/gr-js-api-interface.html">
 <link rel="import" href="../../shared/gr-page-nav/gr-page-nav.html">
 <link rel="import" href="../../shared/gr-rest-api-interface/gr-rest-api-interface.html">
@@ -43,7 +45,38 @@ limitations under the License.
   <template>
     <style include="shared-styles"></style>
     <style include="gr-menu-page-styles"></style>
-    <style include="gr-page-nav-styles"></style>
+    <style include="gr-page-nav-styles">
+      gr-dropdown-list {
+        --trigger-style: {
+          text-transform: none;
+        }
+      }
+      .breadcrumbText {
+        /* Same as dropdown trigger so chevron spacing is consistent. */
+        padding: 5px 4px;
+      }
+      iron-icon {
+        margin: 0 .2em;
+      }
+      .breadcrumb {
+        align-items: center;
+        display: flex;
+      }
+      .mainHeader {
+        align-items: baseline;
+        border-bottom: 1px solid var(--border-color);
+        display: flex;
+      }
+      .selectText {
+        display: none;
+      }
+      .selectText.show {
+        display: inline-block;
+      }
+      main.breadcrumbs:not(.table) {
+        margin-top: 1em;
+      }
+    </style>
     <gr-page-nav class="navStyles">
       <ul class="sectionContent">
         <template id="adminNav" is="dom-repeat" items="[[_filteredLinks]]">
@@ -75,29 +108,26 @@ limitations under the License.
         </template>
       </ul>
     </gr-page-nav>
+    <template is="dom-if" if="[[_subsectionLinks.length]]">
+      <section class="mainHeader">
+        <span class="breadcrumb">
+          <span class="breadcrumbText">[[_breadcrumbParentName]]</span>
+          <iron-icon icon="gr-icons:chevron-right"></iron-icon>
+        </span>
+        <gr-dropdown-list
+            lowercase
+            id="pageSelect"
+            value="[[_computeSelectValue(params)]]"
+            items="[[_subsectionLinks]]"
+            on-value-change="_handleSubsectionChange">
+        </gr-dropdown-list>
+      </section>
+    </template>
     <template is="dom-if" if="[[_showRepoList]]" restamp="true">
       <main class="table">
         <gr-repo-list class="table" params="[[params]]"></gr-repo-list>
       </main>
     </template>
-    <template is="dom-if" if="[[_showRepoMain]]" restamp="true">
-      <main>
-        <gr-repo repo="[[params.repo]]"></gr-repo>
-      </main>
-    </template>
-    <template is="dom-if" if="[[_showGroup]]" restamp="true">
-      <main>
-        <gr-group
-            group-id="[[params.groupId]]"
-            on-name-changed="_updateGroupName"></gr-group>
-      </main>
-    </template>
-    <template is="dom-if" if="[[_showGroupMembers]]" restamp="true">
-      <main>
-        <gr-group-members
-            group-id="[[params.groupId]]"></gr-group-members>
-      </main>
-    </template>
     <template is="dom-if" if="[[_showGroupList]]" restamp="true">
       <main class="table">
         <gr-admin-group-list class="table" params="[[params]]">
@@ -109,35 +139,53 @@ limitations under the License.
         <gr-plugin-list class="table" params="[[params]]"></gr-plugin-list>
       </main>
     </template>
+    <template is="dom-if" if="[[_showRepoMain]]" restamp="true">
+      <main class="breadcrumbs">
+        <gr-repo repo="[[params.repo]]"></gr-repo>
+      </main>
+    </template>
+    <template is="dom-if" if="[[_showGroup]]" restamp="true">
+      <main class="breadcrumbs">
+        <gr-group
+            group-id="[[params.groupId]]"
+            on-name-changed="_updateGroupName"></gr-group>
+      </main>
+    </template>
+    <template is="dom-if" if="[[_showGroupMembers]]" restamp="true">
+      <main class="breadcrumbs">
+        <gr-group-members
+            group-id="[[params.groupId]]"></gr-group-members>
+      </main>
+    </template>
     <template is="dom-if" if="[[_showRepoDetailList]]" restamp="true">
-      <main class="table">
+      <main class="table breadcrumbs">
         <gr-repo-detail-list
             params="[[params]]"
             class="table"></gr-repo-detail-list>
       </main>
     </template>
     <template is="dom-if" if="[[_showGroupAuditLog]]" restamp="true">
-      <main class="table">
+      <main class="table breadcrumbs">
         <gr-group-audit-log
             group-id="[[params.groupId]]"
             class="table"></gr-group-audit-log>
       </main>
     </template>
     <template is="dom-if" if="[[_showRepoCommands]]" restamp="true">
-      <main>
+      <main class="breadcrumbs">
         <gr-repo-commands
             repo="[[params.repo]]"></gr-repo-commands>
       </main>
     </template>
     <template is="dom-if" if="[[_showRepoAccess]]" restamp="true">
-      <main class="table">
+      <main class="breadcrumbs">
         <gr-repo-access
             path="[[path]]"
             repo="[[params.repo]]"></gr-repo-access>
       </main>
     </template>
     <template is="dom-if" if="[[_showRepoDashboards]]" restamp="true">
-      <main class="table">
+      <main class="table breadcrumbs">
         <gr-repo-dashboards repo="[[params.repo]]"></gr-repo-dashboards>
       </main>
     </template>

polygerrit-ui/app/elements/admin/gr-admin-view/gr-admin-view.js

@@ -29,6 +29,7 @@
       path: String,
       adminView: String,
 
+      _breadcrumbParentName: String,
       _repoName: String,
       _groupId: {
         type: Number,
@@ -103,6 +104,8 @@
             options)
             .then(res => {
               this._filteredLinks = res.links;
+              this._breadcrumbParentName = res.expandedSection ?
+                  res.expandedSection.name : '';
 
               if (!res.expandedSection) {
                 this._subsectionLinks = [];
@@ -112,7 +115,7 @@
               .concat(res.expandedSection.children).map(section => {
                 return {
                   text: !section.detailType ? 'Home' : section.name,
-                  value: section.view + section.detailType,
+                  value: section.view + (section.detailType || ''),
                   view: section.view,
                   url: section.url,
                   detailType: section.detailType,
@@ -123,6 +126,17 @@
       });
     },
 
+    _computeSelectValue(params) {
+      if (!params || !params.view) { return; }
+      return params.view + (params.detail || '');
+    },
+
+    _selectedIsCurrentPage(selected) {
+      return (selected.parent === (this._repoName || this._groupId) &&
+          selected.view === this.params.view &&
+          selected.detailType === this.params.detail);
+    },
+
     _handleSubsectionChange(e) {
       const selected = this._subsectionLinks
           .find(section => section.value === e.detail.value);
@@ -165,16 +179,22 @@
       this.set('_showPluginList', isAdminView &&
           params.adminView === 'gr-plugin-list');
 
+      let needsReload = false;
       if (params.repo !== this._repoName) {
         this._repoName = params.repo || '';
         // Reloads the admin menu.
-        this.reload();
+        needsReload = true;
       }
       if (params.groupId !== this._groupId) {
         this._groupId = params.groupId || '';
         // Reloads the admin menu.
-        this.reload();
+        needsReload = true;
       }
+      if (this._breadcrumbParentName && !params.groupId && !params.repo) {
+        needsReload = true;
+      }
+      if (!needsReload) { return; }
+      this.reload();
     },
 
     _computeSelectedTitle(params) {

polygerrit-ui/app/elements/admin/gr-admin-view/gr-admin-view_test.html

@@ -79,7 +79,6 @@ limitations under the License.
         name: 'Repositories',
         url: '/admin/repos',
         view: 'gr-repo-list',
-        children: [],
       }];
 
       element.params = {
@@ -189,17 +188,10 @@ limitations under the License.
       });
       element.reload().then(() => {
         flushAsynchronousOperations();
-        assert.equal(element._filteredLinks.length, 3);
-
-        // Repos
-        assert.equal(element._filteredLinks[0].subsection.children.length, 5);
-        assert.equal(element._filteredLinks[0].subsection.name, 'Test Repo');
-
-        // Groups
-        assert.isNotOk(element._filteredLinks[1].subsection);
-
-        // Plugins
-        assert.isNotOk(element._filteredLinks[2].subsection);
+        assert.equal(Polymer.dom(element.root)
+            .querySelectorAll('.sectionTitle').length, 3);
+        assert.equal(element.$$('.breadcrumbText').innerText, 'Test Repo');
+        assert.equal(element.$$('#pageSelect').items.length, 6);
         done();
       });
     });
@@ -287,6 +279,188 @@ limitations under the License.
       element.$$('gr-group').fire('name-changed', {name: newName});
     });
 
+    test('dropdown displays if there is a subsection', () => {
+      assert.isNotOk(element.$$('.mainHeader'));
+      element._subsectionLinks = [
+        {
+          text: 'Home',
+          value: 'repo',
+          view: 'repo',
+          url: '',
+          parent: 'my-repo',
+          detailType: undefined,
+        },
+      ];
+      flushAsynchronousOperations();
+      assert.isOk(element.$$('.mainHeader'));
+      element._subsectionLinks = undefined;
+      flushAsynchronousOperations();
+      assert.equal(getComputedStyle(element.$$('.mainHeader')).display, 'none');
+    });
+
+    test('Dropdown only triggers navigation on explicit select', done => {
+      element._repoName = 'my-repo';
+      element.params = {
+        repo: 'my-repo',
+        view: Gerrit.Nav.View.REPO,
+        detail: Gerrit.Nav.RepoDetailView.ACCESS,
+      };
+      sandbox.stub(element.$.restAPI, 'getAccountCapabilities', () => {
+        return Promise.resolve({
+          createGroup: true,
+          createProject: true,
+          viewPlugins: true,
+        });
+      });
+      sandbox.stub(element.$.restAPI, 'getAccount', () => {
+        return Promise.resolve({_id: 1});
+      });
+      flushAsynchronousOperations();
+      const expectedFilteredLinks = [
+        {
+          name: 'Repositories',
+          noBaseUrl: true,
+          url: '/admin/repos',
+          view: 'gr-repo-list',
+          viewableToAll: true,
+          subsection: {
+            name: 'my-repo',
+            view: 'repo',
+            url: '',
+            children: [
+              {
+                name: 'Access',
+                view: 'repo',
+                detailType: 'access',
+                url: '',
+              },
+              {
+                name: 'Commands',
+                view: 'repo',
+                detailType: 'commands',
+                url: '',
+              },
+              {
+                name: 'Branches',
+                view: 'repo',
+                detailType: 'branches',
+                url: '',
+              },
+              {
+                name: 'Tags',
+                view: 'repo',
+                detailType: 'tags',
+                url: '',
+              },
+              {
+                name: 'Dashboards',
+                view: 'repo',
+                detailType: 'dashboards',
+                url: '',
+              },
+            ],
+          },
+        },
+        {
+          name: 'Groups',
+          section: 'Groups',
+          noBaseUrl: true,
+          url: '/admin/groups',
+          view: 'gr-admin-group-list',
+        },
+        {
+          name: 'Plugins',
+          capability: 'viewPlugins',
+          section: 'Plugins',
+          noBaseUrl: true,
+          url: '/admin/plugins',
+          view: 'gr-plugin-list',
+        },
+      ];
+      const expectedSubsectionLinks = [
+        {
+          text: 'Home',
+          value: 'repo',
+          view: 'repo',
+          url: '',
+          parent: 'my-repo',
+          detailType: undefined,
+        },
+        {
+          text: 'Access',
+          value: 'repoaccess',
+          view: 'repo',
+          url: '',
+          detailType: 'access',
+          parent: 'my-repo',
+        },
+        {
+          text: 'Commands',
+          value: 'repocommands',
+          view: 'repo',
+          url: '',
+          detailType: 'commands',
+          parent: 'my-repo',
+        },
+        {
+          text: 'Branches',
+          value: 'repobranches',
+          view: 'repo',
+          url: '',
+          detailType: 'branches',
+          parent: 'my-repo',
+        },
+        {
+          text: 'Tags',
+          value: 'repotags',
+          view: 'repo',
+          url: '',
+          detailType: 'tags',
+          parent: 'my-repo',
+        },
+        {
+          text: 'Dashboards',
+          value: 'repodashboards',
+          view: 'repo',
+          url: '',
+          detailType: 'dashboards',
+          parent: 'my-repo',
+        },
+      ];
+      sandbox.stub(Gerrit.Nav, 'navigateToRelativeUrl');
+      sandbox.spy(element, '_selectedIsCurrentPage');
+      sandbox.spy(element, '_handleSubsectionChange');
+      element.reload().then(() => {
+        assert.deepEqual(element._filteredLinks, expectedFilteredLinks);
+        assert.deepEqual(element._subsectionLinks, expectedSubsectionLinks);
+        assert.equal(element.$$('#pageSelect').value, 'repoaccess');
+        assert.isTrue(element._selectedIsCurrentPage.calledOnce);
+        // Doesn't trigger navigation from the page select menu.
+        assert.isFalse(Gerrit.Nav.navigateToRelativeUrl.called);
+
+        // When explicitly changed, navigation is called
+        element.$$('#pageSelect').value = 'repo';
+        assert.isTrue(element._selectedIsCurrentPage.calledTwice);
+        assert.isTrue(Gerrit.Nav.navigateToRelativeUrl.calledOnce);
+        done();
+      });
+    });
+
+    test('_selectedIsCurrentPage', () => {
+      element._repoName = 'my-repo';
+      element.params = {view: 'repo', repo: 'my-repo'};
+      const selected = {
+        view: 'repo',
+        detailType: undefined,
+        parent: 'my-repo',
+      };
+      assert.isTrue(element._selectedIsCurrentPage(selected));
+      selected.parent = 'my-second-repo';
+      assert.isFalse(element._selectedIsCurrentPage(selected));
+      selected.detailType = 'detailType';
+      assert.isFalse(element._selectedIsCurrentPage(selected));
+    });
+
     suite('_computeSelectedClass', () => {
       setup(() => {
         sandbox.stub(element.$.restAPI, 'getAccountCapabilities', () => {

polygerrit-ui/app/styles/gr-menu-page-styles.html

@@ -25,7 +25,12 @@ limitations under the License.
         margin: 2em auto;
         max-width: 50em;
       }
-      main.table {
+      .mainHeader {
+        margin-left: 14em;
+        padding: 1em 0 1em 2em;
+      }
+      main.table,
+      .mainHeader {
         margin-top: 0;
         margin-right: 0;
         margin-left: 14em;
@@ -57,6 +62,10 @@ limitations under the License.
         main.table {
           margin: 0;
         }
+        .mainHeader {
+          margin-left: 0;
+          padding: .5em 0 .5em 1em;
+        }
       }
     </style>
   </template>