Create project through web interface

It adds a new panel in the Admin->Projects Screen.It
enables the users that are allowed to create projects
via command-line to create them also via web interface.

Bug: issue 203
Change-Id: I082ab755276ab9d08e17603bc0f69c23566ac405

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

@@ -0,0 +1,159 @@
+// Copyright (C) 2011 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.Dispatcher;
+import com.google.gerrit.client.ErrorDialog;
+import com.google.gerrit.client.Gerrit;
+import com.google.gerrit.client.rpc.GerritCallback;
+import com.google.gerrit.client.ui.HintTextBox;
+import com.google.gerrit.client.ui.ProjectNameSuggestOracle;
+import com.google.gerrit.client.ui.Screen;
+import com.google.gerrit.reviewdb.Project;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.dom.client.ClickHandler;
+import com.google.gwt.event.dom.client.KeyCodes;
+import com.google.gwt.event.dom.client.KeyPressEvent;
+import com.google.gwt.event.dom.client.KeyPressHandler;
+import com.google.gwt.user.client.History;
+import com.google.gwt.user.client.ui.Button;
+import com.google.gwt.user.client.ui.CheckBox;
+import com.google.gwt.user.client.ui.Grid;
+import com.google.gwt.user.client.ui.SuggestBox;
+import com.google.gwt.user.client.ui.VerticalPanel;
+import com.google.gwtexpui.globalkey.client.NpTextBox;
+import com.google.gwtjsonrpc.client.VoidResult;
+
+public class CreateProjectScreen extends Screen {
+  private NpTextBox project;
+  private Button create;
+  private HintTextBox parent;
+  private SuggestBox sugestParent;
+  private CheckBox emptyCommit;
+  private CheckBox permissionsOnly;
+
+  public CreateProjectScreen() {
+    super();
+    setRequiresSignIn(true);
+  }
+
+  @Override
+  protected void onLoad() {
+    super.onLoad();
+    display();
+  }
+
+  @Override
+  protected void onInitUI() {
+    super.onInitUI();
+    setPageTitle(Util.C.createProjectTitle());
+
+    addCreateProjectPanel();
+  }
+
+  private void addCreateProjectPanel() {
+    final VerticalPanel fp = new VerticalPanel();
+    fp.setStyleName(Gerrit.RESOURCES.css().createProjectPanel());
+
+    initCreateTxt();
+    initCreateButton();
+    initParentBox();
+
+    addGrid(fp);
+
+    emptyCommit = new CheckBox(Util.C.checkBoxEmptyCommit());
+    permissionsOnly = new CheckBox(Util.C.checkBoxPermissionsOnly());
+    fp.add(emptyCommit);
+    fp.add(permissionsOnly);
+    fp.add(create);
+    add(fp);
+  }
+
+  private void initCreateTxt() {
+    project = new NpTextBox();
+    project.setVisibleLength(50);
+    project.addKeyPressHandler(new KeyPressHandler() {
+      @Override
+      public void onKeyPress(KeyPressEvent event) {
+        if (event.getCharCode() == KeyCodes.KEY_ENTER) {
+          doCreateProject();
+        }
+      }
+    });
+  }
+
+  private void initCreateButton() {
+    create = new Button(Util.C.buttonCreateProject());
+    create.addClickHandler(new ClickHandler() {
+      @Override
+      public void onClick(final ClickEvent event) {
+        doCreateProject();
+      }
+    });
+  }
+
+  private void initParentBox() {
+    parent = new HintTextBox();
+    sugestParent =
+        new SuggestBox(new ProjectNameSuggestOracle(), parent);
+    parent.setVisibleLength(50);
+  }
+
+  private void addGrid(final VerticalPanel fp) {
+    final Grid grid = new Grid(2, 2);
+    grid.setStyleName(Gerrit.RESOURCES.css().infoBlock());
+    grid.setText(0, 0, Util.C.columnProjectName() + ":");
+    grid.setWidget(0, 1, project);
+    grid.setText(1, 0, Util.C.headingParentProjectName() + ":");
+    grid.setWidget(1, 1, sugestParent);
+
+    fp.add(grid);
+  }
+
+  private void doCreateProject() {
+    final String projectName = project.getText().trim();
+    final String parentName = sugestParent.getText().trim();
+
+    if ("".equals(projectName)) {
+      project.setFocus(true);
+      return;
+    }
+
+    enableForm(false);
+    Util.PROJECT_SVC.createNewProject(projectName, parentName,
+        emptyCommit.getValue(), permissionsOnly.getValue(),
+        new GerritCallback<VoidResult>() {
+          @Override
+          public void onSuccess(VoidResult result) {
+            History.newItem(Dispatcher.toProjectAdmin(new Project.NameKey(
+                projectName), ProjectScreen.INFO));
+          }
+
+          @Override
+          public void onFailure(Throwable caught) {
+            new ErrorDialog(caught.getMessage()).center();
+            enableForm(true);
+          }
+        });
+  }
+
+  private void enableForm(final boolean enabled) {
+    project.setEnabled(enabled);
+    create.setEnabled(enabled);
+    parent.setEnabled(enabled);
+    emptyCommit.setEnabled(enabled);
+    permissionsOnly.setEnabled(enabled);
+  }
+}