Add Plugin web UI

Put a link under Admin to show the list of installed plugins

Signed-off-by: Brad Larson <bklarson@gmail.com>
Change-Id: I35d41fd49ed88dc17bdf5bed55e18299cb98f07f

gerrit-common/src/main/java/com/google/gerrit/common/PageLinks.java

@@ -40,6 +40,7 @@ public class PageLinks {
   public static final String ADMIN_GROUPS = "/admin/groups/";
   public static final String ADMIN_PROJECTS = "/admin/projects/";
   public static final String ADMIN_CREATE_PROJECT = "/admin/create-project/";
+  public static final String ADMIN_PLUGINS = "/admin/plugins/";
 
   public static String toChange(final ChangeInfo c) {
     return toChange(c.getId());

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

@@ -17,6 +17,7 @@ package com.google.gerrit.client;
 import static com.google.gerrit.common.PageLinks.ADMIN_CREATE_PROJECT;
 import static com.google.gerrit.common.PageLinks.ADMIN_GROUPS;
 import static com.google.gerrit.common.PageLinks.ADMIN_PROJECTS;
+import static com.google.gerrit.common.PageLinks.ADMIN_PLUGINS;
 import static com.google.gerrit.common.PageLinks.MINE;
 import static com.google.gerrit.common.PageLinks.REGISTER;
 import static com.google.gerrit.common.PageLinks.SETTINGS;
@@ -48,6 +49,7 @@ import com.google.gerrit.client.admin.AccountGroupMembersScreen;
 import com.google.gerrit.client.admin.AccountGroupScreen;
 import com.google.gerrit.client.admin.CreateProjectScreen;
 import com.google.gerrit.client.admin.GroupListScreen;
+import com.google.gerrit.client.admin.PluginListScreen;
 import com.google.gerrit.client.admin.ProjectAccessScreen;
 import com.google.gerrit.client.admin.ProjectBranchesScreen;
 import com.google.gerrit.client.admin.ProjectInfoScreen;
@@ -621,6 +623,10 @@ public class Dispatcher {
         } else if (matchPrefix("/admin/projects/", token)) {
           Gerrit.display(token, selectProject());
 
+        } else if (matchPrefix(ADMIN_PLUGINS, token)
+            || matchExact("/admin/plugins", token)) {
+          Gerrit.display(token, new PluginListScreen());
+
         } else if (matchExact(ADMIN_CREATE_PROJECT, token)
             || matchExact("/admin/create-project", token)) {
           Gerrit.display(token, new CreateProjectScreen());

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

@@ -577,6 +577,7 @@ public class Gerrit implements EntryPoint {
       m = new LinkMenuBar();
       addLink(m, C.menuGroups(), PageLinks.ADMIN_GROUPS);
       addLink(m, C.menuProjects(), PageLinks.ADMIN_PROJECTS);
+      addLink(m, C.menuPlugins(), PageLinks.ADMIN_PLUGINS);
       menuLeft.add(m, C.menuAdmin());
     }
 

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

@@ -72,6 +72,7 @@ public interface GerritConstants extends Constants {
   String menuPeople();
   String menuGroups();
   String menuProjects();
+  String menuPlugins();
 
   String menuDocumentation();
   String menuDocumentationIndex();

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

@@ -55,6 +55,7 @@ menuAdmin = Admin
 menuPeople = People
 menuGroups = Groups
 menuProjects = Projects
+menuPlugins = Plugins
 
 menuDocumentation = Documentation
 menuDocumentationIndex = Index

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

@@ -169,6 +169,7 @@ public interface GerritCss extends CssResource {
   String patchSetUserIdentity();
   String patchSizeCell();
   String permalink();
+  String pluginsTable();
   String posscore();
   String projectAdminApprovalCategoryRangeLine();
   String projectAdminApprovalCategoryValue();

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

@@ -104,6 +104,12 @@ public interface AdminConstants extends Constants {
   String projectAdminTabBranches();
   String projectAdminTabAccess();
 
+  String plugins();
+  String pluginTabInstalled();
+
+  String columnPluginName();
+  String columnPluginVersion();
+
   String noGroupSelected();
   String errorNoMatchingGroups();
   String errorNoGitRepository();

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

@@ -84,6 +84,11 @@ projectAdminTabGeneral = General
 projectAdminTabBranches = Branches
 projectAdminTabAccess = Access
 
+plugins = Plugins
+pluginTabInstalled = Installed
+columnPluginName = Plugin Name
+columnPluginVersion = Version
+
 noGroupSelected = (No group selected)
 errorNoMatchingGroups = No Matching Groups
 errorNoGitRepository = No Git Repository

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

@@ -0,0 +1,92 @@
+// 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.admin;
+
+import com.google.gerrit.client.Gerrit;
+import com.google.gerrit.client.plugins.PluginInfo;
+import com.google.gerrit.client.plugins.PluginMap;
+import com.google.gerrit.client.rpc.ScreenLoadCallback;
+import com.google.gerrit.client.ui.FancyFlexTable;
+import com.google.gwt.user.client.ui.FlexTable.FlexCellFormatter;
+import com.google.gwt.user.client.ui.FlowPanel;
+import com.google.gwt.user.client.ui.Panel;
+
+public class PluginListScreen extends PluginScreen {
+
+  private Panel pluginPanel;
+  private PluginTable pluginTable;
+
+  @Override
+  protected void onInitUI() {
+    super.onInitUI();
+    initPluginList();
+  }
+
+  @Override
+  protected void onLoad() {
+    super.onLoad();
+    PluginMap.all(new ScreenLoadCallback<PluginMap>(this) {
+      @Override
+      protected void preDisplay(final PluginMap result) {
+        pluginTable.display(result);
+      }
+    });
+  }
+
+  private void initPluginList() {
+    pluginTable = new PluginTable();
+    pluginTable.addStyleName(Gerrit.RESOURCES.css().pluginsTable());
+
+    pluginPanel = new FlowPanel();
+    pluginPanel.setWidth("500px");
+    pluginPanel.add(pluginTable);
+    add(pluginPanel);
+  }
+
+  private class PluginTable extends FancyFlexTable<PluginInfo> {
+    PluginTable() {
+      table.setText(0, 1, Util.C.columnPluginName());
+      table.setText(0, 2, Util.C.columnPluginVersion());
+
+      final FlexCellFormatter fmt = table.getFlexCellFormatter();
+      fmt.addStyleName(0, 1, Gerrit.RESOURCES.css().dataHeader());
+      fmt.addStyleName(0, 2, Gerrit.RESOURCES.css().dataHeader());
+    }
+
+    void display(final PluginMap plugins) {
+      while (1 < table.getRowCount()) {
+        table.removeRow(table.getRowCount() - 1);
+      }
+
+      for (final PluginInfo p : plugins.values().asList()) {
+        final int row = table.getRowCount();
+        table.insertRow(row);
+        applyDataRowStyle(row);
+        populate(row, p);
+      }
+    }
+
+    void populate(final int row, final PluginInfo plugin) {
+      table.setText(row, 1, plugin.name());
+      table.setText(row, 2, plugin.version());
+
+      final FlexCellFormatter fmt = table.getFlexCellFormatter();
+      fmt.addStyleName(row, 1, Gerrit.RESOURCES.css().dataCell());
+      fmt.addStyleName(row, 2, Gerrit.RESOURCES.css().dataCell());
+
+      setRowItem(row, plugin);
+    }
+  }
+}

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

@@ -0,0 +1,35 @@
+// 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.admin;
+
+import static com.google.gerrit.common.PageLinks.ADMIN_PLUGINS;
+
+import com.google.gerrit.client.ui.MenuScreen;
+
+public abstract class PluginScreen extends MenuScreen {
+
+  public PluginScreen() {
+    setRequiresSignIn(true);
+
+    link(Util.C.pluginTabInstalled(), ADMIN_PLUGINS);
+  }
+
+  @Override
+  protected void onLoad() {
+    super.onLoad();
+    setPageTitle(Util.C.plugins());
+    display();
+  }
+}

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

@@ -1386,3 +1386,7 @@ a:hover.downloadLink {
   font-style: italic;
   padding: 2px 6px 1px;
 }
+
+/** PluginListScreen **/
+.pluginsTable {
+}

gerrit-gwtui/src/main/java/com/google/gerrit/client/plugins/PluginInfo.java

@@ -0,0 +1,26 @@
+// 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.plugins;
+
+import com.google.gwt.core.client.JavaScriptObject;
+
+public class PluginInfo extends JavaScriptObject {
+
+  public final native String name() /*-{ return this.name; }-*/;
+  public final native String version() /*-{ return this.version; }-*/;
+
+  protected PluginInfo() {
+  }
+}

gerrit-gwtui/src/main/java/com/google/gerrit/client/plugins/PluginMap.java

@@ -0,0 +1,30 @@
+// 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.plugins;
+
+import com.google.gerrit.client.rpc.NativeMap;
+import com.google.gerrit.client.rpc.RestApi;
+import com.google.gwtjsonrpc.common.AsyncCallback;
+
+/** Plugins available from {@code /plugins/}. */
+public class PluginMap extends NativeMap<PluginInfo> {
+  public static void all(AsyncCallback<PluginMap> callback) {
+    new RestApi("/plugins/")
+        .send(NativeMap.copyKeysIntoChildren(callback));
+  }
+
+  protected PluginMap() {
+  }
+}