Replace projects side menus with top menus

The top menus are submenus to the Project Menu and
they appear only when a project has been selected.

Change-Id: Ia520c43ba282d41cbd1bd6f1c880462d05f6df4a

gerrit-gwtui/src/main/java/com/google/gerrit/client/Gerrit.java

@@ -19,6 +19,7 @@ import static com.google.gerrit.common.data.GlobalCapability.CREATE_PROJECT;
 import static com.google.gerrit.common.data.GlobalCapability.CREATE_GROUP;
 
 import com.google.gerrit.client.account.AccountCapabilities;
+import com.google.gerrit.client.admin.ProjectScreen;
 import com.google.gerrit.client.auth.openid.OpenIdSignInDialog;
 import com.google.gerrit.client.auth.openid.OpenIdSsoPanel;
 import com.google.gerrit.client.auth.userpass.UserPassSignInDialog;
@@ -26,6 +27,7 @@ import com.google.gerrit.client.changes.ChangeConstants;
 import com.google.gerrit.client.changes.ChangeListScreen;
 import com.google.gerrit.client.patches.PatchScreen;
 import com.google.gerrit.client.rpc.GerritCallback;
+import com.google.gerrit.client.ui.HidingMenuBar;
 import com.google.gerrit.client.ui.LinkMenuBar;
 import com.google.gerrit.client.ui.LinkMenuItem;
 import com.google.gerrit.client.ui.MorphingTabPanel;
@@ -42,6 +44,7 @@ import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.AccountDiffPreference;
 import com.google.gerrit.reviewdb.client.AccountGeneralPreferences;
 import com.google.gerrit.reviewdb.client.AuthType;
+import com.google.gerrit.reviewdb.client.Project;
 import com.google.gwt.aria.client.Roles;
 import com.google.gwt.core.client.Callback;
 import com.google.gwt.core.client.EntryPoint;
@@ -98,12 +101,14 @@ public class Gerrit implements EntryPoint {
   private static MorphingTabPanel menuLeft;
   private static LinkMenuBar menuRight;
   private static LinkMenuBar diffBar;
+  private static HidingMenuBar projectsBar;
   private static RootPanel siteHeader;
   private static RootPanel siteFooter;
   private static SearchPanel searchPanel;
   private static final Dispatcher dispatcher = new Dispatcher();
   private static ViewSite<Screen> body;
   private static PatchScreen patchScreen;
+  private static Project.NameKey projectKey;
   private static String lastChangeListToken;
 
   static {
@@ -181,12 +186,18 @@ public class Gerrit implements EntryPoint {
       patchScreen = (PatchScreen) view;
       menuLeft.setVisible(diffBar, true);
       menuLeft.selectTab(menuLeft.getWidgetIndex(diffBar));
+    } else if (view instanceof ProjectScreen) {
+      projectKey = ((ProjectScreen) view).getProjectKey();
+      menuLeft.selectTab(menuLeft.getWidgetIndex(projectsBar));
+      projectsBar.setHideableItemsVisible(true);
     } else {
       if (patchScreen != null && menuLeft.getSelectedWidget() == diffBar) {
         menuLeft.selectTab(isSignedIn() ? 1 : 0);
       }
       patchScreen = null;
       menuLeft.setVisible(diffBar, false);
+      projectKey = null;
+      projectsBar.setHideableItemsVisible(false);
     }
   }
 
@@ -653,8 +664,14 @@ public class Gerrit implements EntryPoint {
     addDiffLink(diffBar, C.menuDiffPatchSets(), PatchScreen.TopView.PATCH_SETS);
     addDiffLink(diffBar, C.menuDiffFiles(), PatchScreen.TopView.FILES);
 
-    final LinkMenuBar projectsBar = new LinkMenuBar();
+    projectKey = null;
+    projectsBar = new HidingMenuBar();
     addLink(projectsBar, C.menuProjectsList(), PageLinks.ADMIN_PROJECTS);
+    addProjectLink(projectsBar, C.menuProjectsInfo(), ProjectScreen.INFO);
+    addProjectLink(projectsBar, C.menuProjectsBranches(), ProjectScreen.BRANCH);
+    addProjectLink(projectsBar, C.menuProjectsAccess(), ProjectScreen.ACCESS);
+    addProjectLink(projectsBar, C.menuProjectsDashboards(), ProjectScreen.DASHBOARDS);
+    projectsBar.setHideableItemsVisible(false);
     menuLeft.add(projectsBar, C.menuProjects());
 
     if (signedIn) {
@@ -792,6 +809,19 @@ public class Gerrit implements EntryPoint {
       });
   }
 
+  private static void addProjectLink(final HidingMenuBar m, final String text,
+      final String panel) {
+    m.addHideableItem(new LinkMenuItem(text, "") {
+        @Override
+        public void go() {
+          if (projectKey != null) {
+            display(Dispatcher.toProjectAdmin(projectKey, panel));
+          }
+          AnchorElement.as(getElement()).blur();
+        }
+      });
+  }
+
   private static void addDiffLink(final LinkMenuBar m, final String text,
       final PatchScreen.Type type) {
     m.addItem(new LinkMenuItem(text, "") {

gerrit-gwtui/src/main/java/com/google/gerrit/client/GerritConstants.java

@@ -71,6 +71,10 @@ public interface GerritConstants extends Constants {
 
   String menuProjects();
   String menuProjectsList();
+  String menuProjectsInfo();
+  String menuProjectsBranches();
+  String menuProjectsAccess();
+  String menuProjectsDashboards();
   String menuProjectsCreate();
 
   String menuPeople();

gerrit-gwtui/src/main/java/com/google/gerrit/client/GerritConstants.properties

@@ -54,6 +54,10 @@ menuDiffFiles = Files
 
 menuProjects = Projects
 menuProjectsList = List
+menuProjectsInfo = General
+menuProjectsBranches = Branches
+menuProjectsAccess = Access
+menuProjectsDashboards = Dashboards
 menuProjectsCreate = Create New Project
 
 menuPeople = People

gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/AdminConstants.java

@@ -102,11 +102,7 @@ public interface AdminConstants extends Constants {
   String groupTabMembers();
   String projectListTitle();
   String createProjectTitle();
-  String projectAdminTabGeneral();
-  String projectAdminTabBranches();
-  String projectAdminTabAccess();
   String projectListQueryLink();
-  String projectAdminTabDashboards();
 
   String plugins();
   String pluginEnabled();

gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/AdminConstants.properties

@@ -82,10 +82,6 @@ groupTabGeneral = General
 groupTabMembers = Members
 projectListTitle = Projects
 createProjectTitle = Create Project
-projectAdminTabGeneral = General
-projectAdminTabBranches = Branches
-projectAdminTabAccess = Access
-projectAdminTabDashboards = Dashboards
 projectListQueryLink = Search for changes on this project
 
 plugins = Plugins

gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/ProjectScreen.java

@@ -14,12 +14,10 @@
 
 package com.google.gerrit.client.admin;
 
-import static com.google.gerrit.client.Dispatcher.toProjectAdmin;
-
-import com.google.gerrit.client.ui.MenuScreen;
+import com.google.gerrit.client.ui.Screen;
 import com.google.gerrit.reviewdb.client.Project;
 
-public abstract class ProjectScreen extends MenuScreen {
+public abstract class ProjectScreen extends Screen {
   public static final String INFO = "info";
   public static final String BRANCH = "branches";
   public static final String ACCESS = "access";
@@ -29,14 +27,9 @@ public abstract class ProjectScreen extends MenuScreen {
 
   public ProjectScreen(final Project.NameKey toShow) {
     name = toShow;
-
-    link(Util.C.projectAdminTabGeneral(), toProjectAdmin(name, INFO));
-    link(Util.C.projectAdminTabBranches(), toProjectAdmin(name, BRANCH));
-    link(Util.C.projectAdminTabAccess(), toProjectAdmin(name, ACCESS));
-    link(Util.C.projectAdminTabDashboards(), toProjectAdmin(name, DASHBOARDS));
   }
 
-  protected Project.NameKey getProjectKey() {
+  public Project.NameKey getProjectKey() {
     return name;
   }
 

gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/HidingMenuBar.java

@@ -0,0 +1,33 @@
+// Copyright (C) 2012 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.client.ui;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class HidingMenuBar extends LinkMenuBar {
+  Set<LinkMenuItem> hideableItems = new HashSet<LinkMenuItem>();
+
+  public void addHideableItem(final LinkMenuItem item) {
+    hideableItems.add(item);
+    addItem(item);
+  }
+
+  public void setHideableItemsVisible(boolean visible) {
+    for(LinkMenuItem item: hideableItems) {
+      item.setVisible(visible);
+    }
+  }
+}