Add UiAction to create change from project info page

Change-Id: I2c9f23e644a020bcd30a478fbd3156e94a0c00d5

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

@@ -138,4 +138,9 @@ public interface AdminConstants extends Constants {
 
   String pagedListPrev();
   String pagedListNext();
+
+  String buttonCreate();
+  String buttonCreateDescription();
+  String buttonCreateChange();
+  String buttonCreateChangeDescription();
 }

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

@@ -162,3 +162,8 @@ sectionTypeSection = Section:
 sectionNames = \
   GLOBAL_CAPABILITIES
 GLOBAL_CAPABILITIES = Global Capabilities
+
+buttonCreate = Create
+buttonCreateDescription = Insert the description of the change.
+buttonCreateChange = Create Change
+buttonCreateChangeDescription = Create change directly in the browser.

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

@@ -0,0 +1,57 @@
+// Copyright (C) 2014 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.changes.ChangeApi;
+import com.google.gerrit.client.changes.ChangeInfo;
+import com.google.gerrit.client.rpc.GerritCallback;
+import com.google.gerrit.client.ui.CreateChangeDialog;
+import com.google.gerrit.common.PageLinks;
+import com.google.gerrit.reviewdb.client.Project;
+import com.google.gwt.user.client.ui.Button;
+
+class CreateChangeAction {
+  static void call(Button b, final String project) {
+    // TODO Replace CreateChangeDialog with a nicer looking display.
+    b.setEnabled(false);
+    new CreateChangeDialog(b, new Project.NameKey(project)) {
+      {
+        sendButton.setText(Util.C.buttonCreate());
+        message.setText(Util.C.buttonCreateDescription());
+      }
+
+      @Override
+      public void onSend() {
+        ChangeApi.createChange(project, getDestinationBranch(),
+          message.getText(),
+          new GerritCallback<ChangeInfo>() {
+            @Override
+            public void onSuccess(ChangeInfo result) {
+              sent = true;
+              hide();
+              Gerrit.display(PageLinks.toChange(result.legacy_id()));
+            }
+
+            @Override
+            public void onFailure(Throwable caught) {
+              enableButtons(true);
+              super.onFailure(caught);
+            }
+        });
+      }
+    }.center();
+  }
+}

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

@@ -565,10 +565,27 @@ public class ProjectInfoScreen extends ProjectScreen {
     actionsPanel.setStyleName(Gerrit.RESOURCES.css().projectActions());
     actionsPanel.setVisible(true);
     actionsGrid.add(Util.C.headingCommands(), actionsPanel);
+
     for (String id : actions.keySet()) {
       actionsPanel.add(new ActionButton(getProjectKey(),
           actions.get(id)));
     }
+
+    if (Gerrit.isSignedIn()) {
+      actionsPanel.add(createChangeAction());
+    }
+  }
+
+  private Button createChangeAction() {
+    final Button createChange = new Button(Util.C.buttonCreateChange());
+    createChange.setTitle(Util.C.buttonCreateChangeDescription());
+    createChange.addClickHandler(new ClickHandler() {
+      @Override
+      public void onClick(ClickEvent event) {
+        CreateChangeAction.call(createChange, getProjectKey().get());
+      }
+    });
+    return createChange;
   }
 
   private void doSave() {