gerrit-gwtui/src/main/java/com/google/gerrit/client/account/MyPreferencesScreen.java - gerrit.git - Git at Google

 // Copyright (C) 2008 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.account;

 import static com.google.gerrit.extensions.client.GeneralPreferencesInfo.DEFAULT_PAGESIZE;
 import static com.google.gerrit.extensions.client.GeneralPreferencesInfo.PAGESIZE_CHOICES;

 import com.google.gerrit.client.Gerrit;
 import com.google.gerrit.client.GerritUiExtensionPoint;
 import com.google.gerrit.client.StringListPanel;
 import com.google.gerrit.client.api.ExtensionPanel;
 import com.google.gerrit.client.config.ConfigServerApi;
 import com.google.gerrit.client.info.GeneralPreferences;
 import com.google.gerrit.client.info.TopMenuItem;
 import com.google.gerrit.client.rpc.GerritCallback;
 import com.google.gerrit.client.rpc.Natives;
 import com.google.gerrit.client.rpc.ScreenLoadCallback;
 import com.google.gerrit.client.ui.OnEditEnabler;
 import com.google.gerrit.extensions.client.GeneralPreferencesInfo;
 import com.google.gerrit.extensions.client.GeneralPreferencesInfo.ReviewCategoryStrategy;
 import com.google.gwt.core.client.JsArray;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
 import com.google.gwt.i18n.client.DateTimeFormat;
 import com.google.gwt.i18n.client.LocaleInfo;
 import com.google.gwt.user.client.ui.Button;
 import com.google.gwt.user.client.ui.CheckBox;
 import com.google.gwt.user.client.ui.FlowPanel;
 import com.google.gwt.user.client.ui.Grid;
 import com.google.gwt.user.client.ui.ListBox;
 import com.google.gwtexpui.user.client.UserAgent;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Date;
 import java.util.List;

 public class MyPreferencesScreen extends SettingsScreen {
   private CheckBox showSiteHeader;
   private CheckBox useFlashClipboard;
   private CheckBox highlightAssigneeInChangeTable;
   private CheckBox relativeDateInChangeTable;
   private CheckBox sizeBarInChangeTable;
   private CheckBox legacycidInChangeTable;
   private CheckBox muteCommonPathPrefixes;
   private CheckBox signedOffBy;
   private ListBox maximumPageSize;
   private ListBox dateFormat;
   private ListBox timeFormat;
   private ListBox reviewCategoryStrategy;
   private ListBox diffView;
   private ListBox emailStrategy;
   private ListBox emailFormat;
   private ListBox defaultBaseForMerges;
   private StringListPanel myMenus;
   private Button save;

   @Override
   protected void onInitUI() {
     super.onInitUI();

     showSiteHeader = new CheckBox(Util.C.showSiteHeader());
     useFlashClipboard = new CheckBox(Util.C.useFlashClipboard());
     maximumPageSize = new ListBox();
     for (final int v : PAGESIZE_CHOICES) {
       maximumPageSize.addItem(Util.M.rowsPerPage(v), String.valueOf(v));
     }

     reviewCategoryStrategy = new ListBox();
     reviewCategoryStrategy.addItem(
         Util.C.messageShowInReviewCategoryNone(),
         GeneralPreferencesInfo.ReviewCategoryStrategy.NONE.name());
     reviewCategoryStrategy.addItem(
         Util.C.messageShowInReviewCategoryName(),
         GeneralPreferencesInfo.ReviewCategoryStrategy.NAME.name());
     reviewCategoryStrategy.addItem(
         Util.C.messageShowInReviewCategoryEmail(),
         GeneralPreferencesInfo.ReviewCategoryStrategy.EMAIL.name());
     reviewCategoryStrategy.addItem(
         Util.C.messageShowInReviewCategoryUsername(),
         GeneralPreferencesInfo.ReviewCategoryStrategy.USERNAME.name());
     reviewCategoryStrategy.addItem(
         Util.C.messageShowInReviewCategoryAbbrev(),
         GeneralPreferencesInfo.ReviewCategoryStrategy.ABBREV.name());

     emailStrategy = new ListBox();
     emailStrategy.addItem(
         Util.C.messageCCMeOnMyComments(),
         GeneralPreferencesInfo.EmailStrategy.CC_ON_OWN_COMMENTS.name());
     emailStrategy.addItem(
         Util.C.messageEnabled(), GeneralPreferencesInfo.EmailStrategy.ENABLED.name());
     emailStrategy.addItem(
         Util.C.messageDisabled(), GeneralPreferencesInfo.EmailStrategy.DISABLED.name());

     emailFormat = new ListBox();
     emailFormat.addItem(
         Util.C.messagePlaintextOnly(), GeneralPreferencesInfo.EmailFormat.PLAINTEXT.name());
     emailFormat.addItem(
         Util.C.messageHtmlPlaintext(), GeneralPreferencesInfo.EmailFormat.HTML_PLAINTEXT.name());

     defaultBaseForMerges = new ListBox();
     defaultBaseForMerges.addItem(
         Util.C.autoMerge(), GeneralPreferencesInfo.DefaultBase.AUTO_MERGE.name());
     defaultBaseForMerges.addItem(
         Util.C.firstParent(), GeneralPreferencesInfo.DefaultBase.FIRST_PARENT.name());

     diffView = new ListBox();
     diffView.addItem(
         com.google.gerrit.client.changes.Util.C.sideBySide(),
         GeneralPreferencesInfo.DiffView.SIDE_BY_SIDE.name());
     diffView.addItem(
         com.google.gerrit.client.changes.Util.C.unifiedDiff(),
         GeneralPreferencesInfo.DiffView.UNIFIED_DIFF.name());

     Date now = new Date();
     dateFormat = new ListBox();
     for (GeneralPreferencesInfo.DateFormat fmt : GeneralPreferencesInfo.DateFormat.values()) {
       StringBuilder r = new StringBuilder();
       r.append(DateTimeFormat.getFormat(fmt.getShortFormat()).format(now));
       r.append(" ; ");
       r.append(DateTimeFormat.getFormat(fmt.getLongFormat()).format(now));
       dateFormat.addItem(r.toString(), fmt.name());
     }

     timeFormat = new ListBox();
     for (GeneralPreferencesInfo.TimeFormat fmt : GeneralPreferencesInfo.TimeFormat.values()) {
       StringBuilder r = new StringBuilder();
       r.append(DateTimeFormat.getFormat(fmt.getFormat()).format(now));
       timeFormat.addItem(r.toString(), fmt.name());
     }

     FlowPanel dateTimePanel = new FlowPanel();

     final int labelIdx;
     final int fieldIdx;
     if (LocaleInfo.getCurrentLocale().isRTL()) {
       labelIdx = 1;
       fieldIdx = 0;
       dateTimePanel.add(timeFormat);
       dateTimePanel.add(dateFormat);
     } else {
       labelIdx = 0;
       fieldIdx = 1;
       dateTimePanel.add(dateFormat);
       dateTimePanel.add(timeFormat);
     }
     highlightAssigneeInChangeTable = new CheckBox(Util.C.highlightAssigneeInChangeTable());
     relativeDateInChangeTable = new CheckBox(Util.C.showRelativeDateInChangeTable());
     sizeBarInChangeTable = new CheckBox(Util.C.showSizeBarInChangeTable());
     legacycidInChangeTable = new CheckBox(Util.C.showLegacycidInChangeTable());
     muteCommonPathPrefixes = new CheckBox(Util.C.muteCommonPathPrefixes());
     signedOffBy = new CheckBox(Util.C.signedOffBy());

     boolean flashClippy = !UserAgent.hasJavaScriptClipboard() && UserAgent.Flash.isInstalled();
     final Grid formGrid = new Grid(14 + (flashClippy ? 1 : 0), 2);

     int row = 0;

     formGrid.setText(row, labelIdx, Util.C.reviewCategoryLabel());
     formGrid.setWidget(row, fieldIdx, reviewCategoryStrategy);
     row++;

     formGrid.setText(row, labelIdx, Util.C.maximumPageSizeFieldLabel());
     formGrid.setWidget(row, fieldIdx, maximumPageSize);
     row++;

     formGrid.setText(row, labelIdx, Util.C.dateFormatLabel());
     formGrid.setWidget(row, fieldIdx, dateTimePanel);
     row++;

     formGrid.setText(row, labelIdx, Util.C.emailFieldLabel());
     formGrid.setWidget(row, fieldIdx, emailStrategy);
     row++;

     formGrid.setText(row, labelIdx, Util.C.emailFormatFieldLabel());
     formGrid.setWidget(row, fieldIdx, emailFormat);
     row++;

     formGrid.setText(row, labelIdx, Util.C.defaultBaseForMerges());
     formGrid.setWidget(row, fieldIdx, defaultBaseForMerges);
     row++;

     formGrid.setText(row, labelIdx, Util.C.diffViewLabel());
     formGrid.setWidget(row, fieldIdx, diffView);
     row++;

     formGrid.setText(row, labelIdx, "");
     formGrid.setWidget(row, fieldIdx, showSiteHeader);
     row++;

     formGrid.setText(row, labelIdx, "");
     formGrid.setWidget(row, fieldIdx, highlightAssigneeInChangeTable);
     row++;

     formGrid.setText(row, labelIdx, "");
     formGrid.setWidget(row, fieldIdx, relativeDateInChangeTable);
     row++;

     formGrid.setText(row, labelIdx, "");
     formGrid.setWidget(row, fieldIdx, sizeBarInChangeTable);
     row++;

     formGrid.setText(row, labelIdx, "");
     formGrid.setWidget(row, fieldIdx, legacycidInChangeTable);
     row++;

     formGrid.setText(row, labelIdx, "");
     formGrid.setWidget(row, fieldIdx, muteCommonPathPrefixes);
     row++;

     formGrid.setText(row, labelIdx, "");
     formGrid.setWidget(row, fieldIdx, signedOffBy);
     row++;

     if (flashClippy) {
       formGrid.setText(row, labelIdx, "");
       formGrid.setWidget(row, fieldIdx, useFlashClipboard);
     }

     add(formGrid);

     save = new Button(Util.C.buttonSaveChanges());
     save.setEnabled(false);
     save.addClickHandler(
         new ClickHandler() {
           @Override
           public void onClick(final ClickEvent event) {
             doSave();
           }
         });

     myMenus = new MyMenuPanel(save);
     add(myMenus);

     add(save);

     final OnEditEnabler e = new OnEditEnabler(save);
     e.listenTo(showSiteHeader);
     e.listenTo(useFlashClipboard);
     e.listenTo(maximumPageSize);
     e.listenTo(dateFormat);
     e.listenTo(timeFormat);
     e.listenTo(highlightAssigneeInChangeTable);
     e.listenTo(relativeDateInChangeTable);
     e.listenTo(sizeBarInChangeTable);
     e.listenTo(legacycidInChangeTable);
     e.listenTo(muteCommonPathPrefixes);
     e.listenTo(signedOffBy);
     e.listenTo(diffView);
     e.listenTo(reviewCategoryStrategy);
     e.listenTo(emailStrategy);
     e.listenTo(emailFormat);
     e.listenTo(defaultBaseForMerges);
   }

   @Override
   protected void onLoad() {
     super.onLoad();
     ExtensionPanel extensionPanel =
         createExtensionPoint(GerritUiExtensionPoint.PREFERENCES_SCREEN_BOTTOM);
     extensionPanel.addStyleName(Gerrit.RESOURCES.css().extensionPanel());
     add(extensionPanel);

     AccountApi.self()
         .view("preferences")
         .get(
             new ScreenLoadCallback<GeneralPreferences>(this) {
               @Override
               public void preDisplay(GeneralPreferences prefs) {
                 display(prefs);
               }
             });
   }

   private void enable(final boolean on) {
     showSiteHeader.setEnabled(on);
     useFlashClipboard.setEnabled(on);
     maximumPageSize.setEnabled(on);
     dateFormat.setEnabled(on);
     timeFormat.setEnabled(on);
     highlightAssigneeInChangeTable.setEnabled(on);
     relativeDateInChangeTable.setEnabled(on);
     sizeBarInChangeTable.setEnabled(on);
     legacycidInChangeTable.setEnabled(on);
     muteCommonPathPrefixes.setEnabled(on);
     signedOffBy.setEnabled(on);
     reviewCategoryStrategy.setEnabled(on);
     diffView.setEnabled(on);
     emailStrategy.setEnabled(on);
     emailFormat.setEnabled(on);
     defaultBaseForMerges.setEnabled(on);
   }

   private void display(GeneralPreferences p) {
     showSiteHeader.setValue(p.showSiteHeader());
     useFlashClipboard.setValue(p.useFlashClipboard());
     setListBox(maximumPageSize, DEFAULT_PAGESIZE, p.changesPerPage());
     setListBox(
         dateFormat,
         GeneralPreferencesInfo.DateFormat.STD, //
         p.dateFormat());
     setListBox(
         timeFormat,
         GeneralPreferencesInfo.TimeFormat.HHMM_12, //
         p.timeFormat());
     highlightAssigneeInChangeTable.setValue(p.highlightAssigneeInChangeTable());
     relativeDateInChangeTable.setValue(p.relativeDateInChangeTable());
     sizeBarInChangeTable.setValue(p.sizeBarInChangeTable());
     legacycidInChangeTable.setValue(p.legacycidInChangeTable());
     muteCommonPathPrefixes.setValue(p.muteCommonPathPrefixes());
     signedOffBy.setValue(p.signedOffBy());
     setListBox(
         reviewCategoryStrategy,
         GeneralPreferencesInfo.ReviewCategoryStrategy.NONE,
         p.reviewCategoryStrategy());
     setListBox(diffView, GeneralPreferencesInfo.DiffView.SIDE_BY_SIDE, p.diffView());
     setListBox(emailStrategy, GeneralPreferencesInfo.EmailStrategy.ENABLED, p.emailStrategy());
     setListBox(emailFormat, GeneralPreferencesInfo.EmailFormat.HTML_PLAINTEXT, p.emailFormat());
     setListBox(
         defaultBaseForMerges,
         GeneralPreferencesInfo.DefaultBase.FIRST_PARENT,
         p.defaultBaseForMerges());
     display(p.my());
   }

   private void display(JsArray<TopMenuItem> items) {
     List<List<String>> values = new ArrayList<>();
     for (TopMenuItem item : Natives.asList(items)) {
       values.add(Arrays.asList(item.getName(), item.getUrl()));
     }
     myMenus.display(values);
   }

   private void setListBox(final ListBox f, final int defaultValue, final int currentValue) {
     setListBox(f, String.valueOf(defaultValue), String.valueOf(currentValue));
   }

   private <T extends Enum<?>> void setListBox(
       final ListBox f, final T defaultValue, final T currentValue) {
     setListBox(
         f,
         defaultValue != null ? defaultValue.name() : "",
         currentValue != null ? currentValue.name() : "");
   }

   private void setListBox(final ListBox f, final String defaultValue, final String currentValue) {
     final int n = f.getItemCount();
     for (int i = 0; i < n; i++) {
       if (f.getValue(i).equals(currentValue)) {
         f.setSelectedIndex(i);
         return;
       }
     }
     if (!currentValue.equals(defaultValue)) {
       setListBox(f, defaultValue, defaultValue);
     }
   }

   private int getListBox(final ListBox f, final int defaultValue) {
     final int idx = f.getSelectedIndex();
     if (0 <= idx) {
       return Short.parseShort(f.getValue(idx));
     }
     return defaultValue;
   }

   private <T extends Enum<?>> T getListBox(final ListBox f, final T defaultValue, T[] all) {
     final int idx = f.getSelectedIndex();
     if (0 <= idx) {
       String v = f.getValue(idx);
       if ("".equals(v)) {
         return defaultValue;
       }
       for (T t : all) {
         if (t.name().equals(v)) {
           return t;
         }
       }
     }
     return defaultValue;
   }

   private void doSave() {
     GeneralPreferences p = GeneralPreferences.create();
     p.showSiteHeader(showSiteHeader.getValue());
     p.useFlashClipboard(useFlashClipboard.getValue());
     p.changesPerPage(getListBox(maximumPageSize, DEFAULT_PAGESIZE));
     p.dateFormat(
         getListBox(
             dateFormat,
             GeneralPreferencesInfo.DateFormat.STD,
             GeneralPreferencesInfo.DateFormat.values()));
     p.timeFormat(
         getListBox(
             timeFormat,
             GeneralPreferencesInfo.TimeFormat.HHMM_12,
             GeneralPreferencesInfo.TimeFormat.values()));
     p.highlightAssigneeInChangeTable(highlightAssigneeInChangeTable.getValue());
     p.relativeDateInChangeTable(relativeDateInChangeTable.getValue());
     p.sizeBarInChangeTable(sizeBarInChangeTable.getValue());
     p.legacycidInChangeTable(legacycidInChangeTable.getValue());
     p.muteCommonPathPrefixes(muteCommonPathPrefixes.getValue());
     p.signedOffBy(signedOffBy.getValue());
     p.reviewCategoryStrategy(
         getListBox(
             reviewCategoryStrategy, ReviewCategoryStrategy.NONE, ReviewCategoryStrategy.values()));
     p.diffView(
         getListBox(
             diffView,
             GeneralPreferencesInfo.DiffView.SIDE_BY_SIDE,
             GeneralPreferencesInfo.DiffView.values()));

     p.emailStrategy(
         getListBox(
             emailStrategy,
             GeneralPreferencesInfo.EmailStrategy.ENABLED,
             GeneralPreferencesInfo.EmailStrategy.values()));

     p.emailFormat(
         getListBox(
             emailFormat,
             GeneralPreferencesInfo.EmailFormat.HTML_PLAINTEXT,
             GeneralPreferencesInfo.EmailFormat.values()));

     p.defaultBaseForMerges(
         getListBox(
             defaultBaseForMerges,
             GeneralPreferencesInfo.DefaultBase.FIRST_PARENT,
             GeneralPreferencesInfo.DefaultBase.values()));

     List<TopMenuItem> items = new ArrayList<>();
     for (List<String> v : myMenus.getValues()) {
       items.add(TopMenuItem.create(v.get(0), v.get(1)));
     }
     p.setMyMenus(items);

     enable(false);
     save.setEnabled(false);

     AccountApi.self()
         .view("preferences")
         .put(
             p,
             new GerritCallback<GeneralPreferences>() {
               @Override
               public void onSuccess(GeneralPreferences prefs) {
                 Gerrit.setUserPreferences(prefs);
                 enable(true);
                 display(prefs);
               }

               @Override
               public void onFailure(Throwable caught) {
                 enable(true);
                 save.setEnabled(true);
                 super.onFailure(caught);
               }
             });
   }

   private class MyMenuPanel extends StringListPanel {
     MyMenuPanel(Button save) {
       super(Util.C.myMenu(), Arrays.asList(Util.C.myMenuName(), Util.C.myMenuUrl()), save, false);

       setInfo(Util.C.myMenuInfo());

       Button resetButton = new Button(Util.C.myMenuReset());
       resetButton.addClickHandler(
           new ClickHandler() {
             @Override
             public void onClick(ClickEvent event) {
               ConfigServerApi.defaultPreferences(
                   new GerritCallback<GeneralPreferences>() {
                     @Override
                     public void onSuccess(GeneralPreferences p) {
                       MyPreferencesScreen.this.display(p.my());
                       widget.setEnabled(true);
                     }
                   });
             }
           });
       buttonPanel.add(resetButton);
     }
   }
 }
	// Copyright (C) 2008 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.account;

	import static com.google.gerrit.extensions.client.GeneralPreferencesInfo.DEFAULT_PAGESIZE;
	import static com.google.gerrit.extensions.client.GeneralPreferencesInfo.PAGESIZE_CHOICES;

	import com.google.gerrit.client.Gerrit;
	import com.google.gerrit.client.GerritUiExtensionPoint;
	import com.google.gerrit.client.StringListPanel;
	import com.google.gerrit.client.api.ExtensionPanel;
	import com.google.gerrit.client.config.ConfigServerApi;
	import com.google.gerrit.client.info.GeneralPreferences;
	import com.google.gerrit.client.info.TopMenuItem;
	import com.google.gerrit.client.rpc.GerritCallback;
	import com.google.gerrit.client.rpc.Natives;
	import com.google.gerrit.client.rpc.ScreenLoadCallback;
	import com.google.gerrit.client.ui.OnEditEnabler;
	import com.google.gerrit.extensions.client.GeneralPreferencesInfo;
	import com.google.gerrit.extensions.client.GeneralPreferencesInfo.ReviewCategoryStrategy;
	import com.google.gwt.core.client.JsArray;
	import com.google.gwt.event.dom.client.ClickEvent;
	import com.google.gwt.event.dom.client.ClickHandler;
	import com.google.gwt.i18n.client.DateTimeFormat;
	import com.google.gwt.i18n.client.LocaleInfo;
	import com.google.gwt.user.client.ui.Button;
	import com.google.gwt.user.client.ui.CheckBox;
	import com.google.gwt.user.client.ui.FlowPanel;
	import com.google.gwt.user.client.ui.Grid;
	import com.google.gwt.user.client.ui.ListBox;
	import com.google.gwtexpui.user.client.UserAgent;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.Date;
	import java.util.List;

	public class MyPreferencesScreen extends SettingsScreen {
	private CheckBox showSiteHeader;
	private CheckBox useFlashClipboard;
	private CheckBox highlightAssigneeInChangeTable;
	private CheckBox relativeDateInChangeTable;
	private CheckBox sizeBarInChangeTable;
	private CheckBox legacycidInChangeTable;
	private CheckBox muteCommonPathPrefixes;
	private CheckBox signedOffBy;
	private ListBox maximumPageSize;
	private ListBox dateFormat;
	private ListBox timeFormat;
	private ListBox reviewCategoryStrategy;
	private ListBox diffView;
	private ListBox emailStrategy;
	private ListBox emailFormat;
	private ListBox defaultBaseForMerges;
	private StringListPanel myMenus;
	private Button save;

	@Override
	protected void onInitUI() {
	super.onInitUI();

	showSiteHeader = new CheckBox(Util.C.showSiteHeader());
	useFlashClipboard = new CheckBox(Util.C.useFlashClipboard());
	maximumPageSize = new ListBox();
	for (final int v : PAGESIZE_CHOICES) {
	maximumPageSize.addItem(Util.M.rowsPerPage(v), String.valueOf(v));
	}

	reviewCategoryStrategy = new ListBox();
	reviewCategoryStrategy.addItem(
	Util.C.messageShowInReviewCategoryNone(),
	GeneralPreferencesInfo.ReviewCategoryStrategy.NONE.name());
	reviewCategoryStrategy.addItem(
	Util.C.messageShowInReviewCategoryName(),
	GeneralPreferencesInfo.ReviewCategoryStrategy.NAME.name());
	reviewCategoryStrategy.addItem(
	Util.C.messageShowInReviewCategoryEmail(),
	GeneralPreferencesInfo.ReviewCategoryStrategy.EMAIL.name());
	reviewCategoryStrategy.addItem(
	Util.C.messageShowInReviewCategoryUsername(),
	GeneralPreferencesInfo.ReviewCategoryStrategy.USERNAME.name());
	reviewCategoryStrategy.addItem(
	Util.C.messageShowInReviewCategoryAbbrev(),
	GeneralPreferencesInfo.ReviewCategoryStrategy.ABBREV.name());

	emailStrategy = new ListBox();
	emailStrategy.addItem(
	Util.C.messageCCMeOnMyComments(),
	GeneralPreferencesInfo.EmailStrategy.CC_ON_OWN_COMMENTS.name());
	emailStrategy.addItem(
	Util.C.messageEnabled(), GeneralPreferencesInfo.EmailStrategy.ENABLED.name());
	emailStrategy.addItem(
	Util.C.messageDisabled(), GeneralPreferencesInfo.EmailStrategy.DISABLED.name());

	emailFormat = new ListBox();
	emailFormat.addItem(
	Util.C.messagePlaintextOnly(), GeneralPreferencesInfo.EmailFormat.PLAINTEXT.name());
	emailFormat.addItem(
	Util.C.messageHtmlPlaintext(), GeneralPreferencesInfo.EmailFormat.HTML_PLAINTEXT.name());

	defaultBaseForMerges = new ListBox();
	defaultBaseForMerges.addItem(
	Util.C.autoMerge(), GeneralPreferencesInfo.DefaultBase.AUTO_MERGE.name());
	defaultBaseForMerges.addItem(
	Util.C.firstParent(), GeneralPreferencesInfo.DefaultBase.FIRST_PARENT.name());

	diffView = new ListBox();
	diffView.addItem(
	com.google.gerrit.client.changes.Util.C.sideBySide(),
	GeneralPreferencesInfo.DiffView.SIDE_BY_SIDE.name());
	diffView.addItem(
	com.google.gerrit.client.changes.Util.C.unifiedDiff(),
	GeneralPreferencesInfo.DiffView.UNIFIED_DIFF.name());

	Date now = new Date();
	dateFormat = new ListBox();
	for (GeneralPreferencesInfo.DateFormat fmt : GeneralPreferencesInfo.DateFormat.values()) {
	StringBuilder r = new StringBuilder();
	r.append(DateTimeFormat.getFormat(fmt.getShortFormat()).format(now));
	r.append(" ; ");
	r.append(DateTimeFormat.getFormat(fmt.getLongFormat()).format(now));
	dateFormat.addItem(r.toString(), fmt.name());
	}

	timeFormat = new ListBox();
	for (GeneralPreferencesInfo.TimeFormat fmt : GeneralPreferencesInfo.TimeFormat.values()) {
	StringBuilder r = new StringBuilder();
	r.append(DateTimeFormat.getFormat(fmt.getFormat()).format(now));
	timeFormat.addItem(r.toString(), fmt.name());
	}

	FlowPanel dateTimePanel = new FlowPanel();

	final int labelIdx;
	final int fieldIdx;
	if (LocaleInfo.getCurrentLocale().isRTL()) {
	labelIdx = 1;
	fieldIdx = 0;
	dateTimePanel.add(timeFormat);
	dateTimePanel.add(dateFormat);
	} else {
	labelIdx = 0;
	fieldIdx = 1;
	dateTimePanel.add(dateFormat);
	dateTimePanel.add(timeFormat);
	}
	highlightAssigneeInChangeTable = new CheckBox(Util.C.highlightAssigneeInChangeTable());
	relativeDateInChangeTable = new CheckBox(Util.C.showRelativeDateInChangeTable());
	sizeBarInChangeTable = new CheckBox(Util.C.showSizeBarInChangeTable());
	legacycidInChangeTable = new CheckBox(Util.C.showLegacycidInChangeTable());
	muteCommonPathPrefixes = new CheckBox(Util.C.muteCommonPathPrefixes());
	signedOffBy = new CheckBox(Util.C.signedOffBy());

	boolean flashClippy = !UserAgent.hasJavaScriptClipboard() && UserAgent.Flash.isInstalled();
	final Grid formGrid = new Grid(14 + (flashClippy ? 1 : 0), 2);

	int row = 0;

	formGrid.setText(row, labelIdx, Util.C.reviewCategoryLabel());
	formGrid.setWidget(row, fieldIdx, reviewCategoryStrategy);
	row++;

	formGrid.setText(row, labelIdx, Util.C.maximumPageSizeFieldLabel());
	formGrid.setWidget(row, fieldIdx, maximumPageSize);
	row++;

	formGrid.setText(row, labelIdx, Util.C.dateFormatLabel());
	formGrid.setWidget(row, fieldIdx, dateTimePanel);
	row++;

	formGrid.setText(row, labelIdx, Util.C.emailFieldLabel());
	formGrid.setWidget(row, fieldIdx, emailStrategy);
	row++;

	formGrid.setText(row, labelIdx, Util.C.emailFormatFieldLabel());
	formGrid.setWidget(row, fieldIdx, emailFormat);
	row++;

	formGrid.setText(row, labelIdx, Util.C.defaultBaseForMerges());
	formGrid.setWidget(row, fieldIdx, defaultBaseForMerges);
	row++;

	formGrid.setText(row, labelIdx, Util.C.diffViewLabel());
	formGrid.setWidget(row, fieldIdx, diffView);
	row++;

	formGrid.setText(row, labelIdx, "");
	formGrid.setWidget(row, fieldIdx, showSiteHeader);
	row++;

	formGrid.setText(row, labelIdx, "");
	formGrid.setWidget(row, fieldIdx, highlightAssigneeInChangeTable);
	row++;

	formGrid.setText(row, labelIdx, "");
	formGrid.setWidget(row, fieldIdx, relativeDateInChangeTable);
	row++;

	formGrid.setText(row, labelIdx, "");
	formGrid.setWidget(row, fieldIdx, sizeBarInChangeTable);
	row++;

	formGrid.setText(row, labelIdx, "");
	formGrid.setWidget(row, fieldIdx, legacycidInChangeTable);
	row++;

	formGrid.setText(row, labelIdx, "");
	formGrid.setWidget(row, fieldIdx, muteCommonPathPrefixes);
	row++;

	formGrid.setText(row, labelIdx, "");
	formGrid.setWidget(row, fieldIdx, signedOffBy);
	row++;

	if (flashClippy) {
	formGrid.setText(row, labelIdx, "");
	formGrid.setWidget(row, fieldIdx, useFlashClipboard);
	}

	add(formGrid);

	save = new Button(Util.C.buttonSaveChanges());
	save.setEnabled(false);
	save.addClickHandler(
	new ClickHandler() {
	@Override
	public void onClick(final ClickEvent event) {
	doSave();
	}
	});

	myMenus = new MyMenuPanel(save);
	add(myMenus);

	add(save);

	final OnEditEnabler e = new OnEditEnabler(save);
	e.listenTo(showSiteHeader);
	e.listenTo(useFlashClipboard);
	e.listenTo(maximumPageSize);
	e.listenTo(dateFormat);
	e.listenTo(timeFormat);
	e.listenTo(highlightAssigneeInChangeTable);
	e.listenTo(relativeDateInChangeTable);
	e.listenTo(sizeBarInChangeTable);
	e.listenTo(legacycidInChangeTable);
	e.listenTo(muteCommonPathPrefixes);
	e.listenTo(signedOffBy);
	e.listenTo(diffView);
	e.listenTo(reviewCategoryStrategy);
	e.listenTo(emailStrategy);
	e.listenTo(emailFormat);
	e.listenTo(defaultBaseForMerges);
	}

	@Override
	protected void onLoad() {
	super.onLoad();
	ExtensionPanel extensionPanel =
	createExtensionPoint(GerritUiExtensionPoint.PREFERENCES_SCREEN_BOTTOM);
	extensionPanel.addStyleName(Gerrit.RESOURCES.css().extensionPanel());
	add(extensionPanel);

	AccountApi.self()
	.view("preferences")
	.get(
	new ScreenLoadCallback<GeneralPreferences>(this) {
	@Override
	public void preDisplay(GeneralPreferences prefs) {
	display(prefs);
	}
	});
	}

	private void enable(final boolean on) {
	showSiteHeader.setEnabled(on);
	useFlashClipboard.setEnabled(on);
	maximumPageSize.setEnabled(on);
	dateFormat.setEnabled(on);
	timeFormat.setEnabled(on);
	highlightAssigneeInChangeTable.setEnabled(on);
	relativeDateInChangeTable.setEnabled(on);
	sizeBarInChangeTable.setEnabled(on);
	legacycidInChangeTable.setEnabled(on);
	muteCommonPathPrefixes.setEnabled(on);
	signedOffBy.setEnabled(on);
	reviewCategoryStrategy.setEnabled(on);
	diffView.setEnabled(on);
	emailStrategy.setEnabled(on);
	emailFormat.setEnabled(on);
	defaultBaseForMerges.setEnabled(on);
	}

	private void display(GeneralPreferences p) {
	showSiteHeader.setValue(p.showSiteHeader());
	useFlashClipboard.setValue(p.useFlashClipboard());
	setListBox(maximumPageSize, DEFAULT_PAGESIZE, p.changesPerPage());
	setListBox(
	dateFormat,
	GeneralPreferencesInfo.DateFormat.STD, //
	p.dateFormat());
	setListBox(
	timeFormat,
	GeneralPreferencesInfo.TimeFormat.HHMM_12, //
	p.timeFormat());
	highlightAssigneeInChangeTable.setValue(p.highlightAssigneeInChangeTable());
	relativeDateInChangeTable.setValue(p.relativeDateInChangeTable());
	sizeBarInChangeTable.setValue(p.sizeBarInChangeTable());
	legacycidInChangeTable.setValue(p.legacycidInChangeTable());
	muteCommonPathPrefixes.setValue(p.muteCommonPathPrefixes());
	signedOffBy.setValue(p.signedOffBy());
	setListBox(
	reviewCategoryStrategy,
	GeneralPreferencesInfo.ReviewCategoryStrategy.NONE,
	p.reviewCategoryStrategy());
	setListBox(diffView, GeneralPreferencesInfo.DiffView.SIDE_BY_SIDE, p.diffView());
	setListBox(emailStrategy, GeneralPreferencesInfo.EmailStrategy.ENABLED, p.emailStrategy());
	setListBox(emailFormat, GeneralPreferencesInfo.EmailFormat.HTML_PLAINTEXT, p.emailFormat());
	setListBox(
	defaultBaseForMerges,
	GeneralPreferencesInfo.DefaultBase.FIRST_PARENT,
	p.defaultBaseForMerges());
	display(p.my());
	}

	private void display(JsArray<TopMenuItem> items) {
	List<List<String>> values = new ArrayList<>();
	for (TopMenuItem item : Natives.asList(items)) {
	values.add(Arrays.asList(item.getName(), item.getUrl()));
	}
	myMenus.display(values);
	}

	private void setListBox(final ListBox f, final int defaultValue, final int currentValue) {
	setListBox(f, String.valueOf(defaultValue), String.valueOf(currentValue));
	}

	private <T extends Enum<?>> void setListBox(
	final ListBox f, final T defaultValue, final T currentValue) {
	setListBox(
	f,
	defaultValue != null ? defaultValue.name() : "",
	currentValue != null ? currentValue.name() : "");
	}

	private void setListBox(final ListBox f, final String defaultValue, final String currentValue) {
	final int n = f.getItemCount();
	for (int i = 0; i < n; i++) {
	if (f.getValue(i).equals(currentValue)) {
	f.setSelectedIndex(i);
	return;
	}
	}
	if (!currentValue.equals(defaultValue)) {
	setListBox(f, defaultValue, defaultValue);
	}
	}

	private int getListBox(final ListBox f, final int defaultValue) {
	final int idx = f.getSelectedIndex();
	if (0 <= idx) {
	return Short.parseShort(f.getValue(idx));
	}
	return defaultValue;
	}

	private <T extends Enum<?>> T getListBox(final ListBox f, final T defaultValue, T[] all) {
	final int idx = f.getSelectedIndex();
	if (0 <= idx) {
	String v = f.getValue(idx);
	if ("".equals(v)) {
	return defaultValue;
	}
	for (T t : all) {
	if (t.name().equals(v)) {
	return t;
	}
	}
	}
	return defaultValue;
	}

	private void doSave() {
	GeneralPreferences p = GeneralPreferences.create();
	p.showSiteHeader(showSiteHeader.getValue());
	p.useFlashClipboard(useFlashClipboard.getValue());
	p.changesPerPage(getListBox(maximumPageSize, DEFAULT_PAGESIZE));
	p.dateFormat(
	getListBox(
	dateFormat,
	GeneralPreferencesInfo.DateFormat.STD,
	GeneralPreferencesInfo.DateFormat.values()));
	p.timeFormat(
	getListBox(
	timeFormat,
	GeneralPreferencesInfo.TimeFormat.HHMM_12,
	GeneralPreferencesInfo.TimeFormat.values()));
	p.highlightAssigneeInChangeTable(highlightAssigneeInChangeTable.getValue());
	p.relativeDateInChangeTable(relativeDateInChangeTable.getValue());
	p.sizeBarInChangeTable(sizeBarInChangeTable.getValue());
	p.legacycidInChangeTable(legacycidInChangeTable.getValue());
	p.muteCommonPathPrefixes(muteCommonPathPrefixes.getValue());
	p.signedOffBy(signedOffBy.getValue());
	p.reviewCategoryStrategy(
	getListBox(
	reviewCategoryStrategy, ReviewCategoryStrategy.NONE, ReviewCategoryStrategy.values()));
	p.diffView(
	getListBox(
	diffView,
	GeneralPreferencesInfo.DiffView.SIDE_BY_SIDE,
	GeneralPreferencesInfo.DiffView.values()));

	p.emailStrategy(
	getListBox(
	emailStrategy,
	GeneralPreferencesInfo.EmailStrategy.ENABLED,
	GeneralPreferencesInfo.EmailStrategy.values()));

	p.emailFormat(
	getListBox(
	emailFormat,
	GeneralPreferencesInfo.EmailFormat.HTML_PLAINTEXT,
	GeneralPreferencesInfo.EmailFormat.values()));

	p.defaultBaseForMerges(
	getListBox(
	defaultBaseForMerges,
	GeneralPreferencesInfo.DefaultBase.FIRST_PARENT,
	GeneralPreferencesInfo.DefaultBase.values()));

	List<TopMenuItem> items = new ArrayList<>();
	for (List<String> v : myMenus.getValues()) {
	items.add(TopMenuItem.create(v.get(0), v.get(1)));
	}
	p.setMyMenus(items);

	enable(false);
	save.setEnabled(false);

	AccountApi.self()
	.view("preferences")
	.put(
	p,
	new GerritCallback<GeneralPreferences>() {
	@Override
	public void onSuccess(GeneralPreferences prefs) {
	Gerrit.setUserPreferences(prefs);
	enable(true);
	display(prefs);
	}

	@Override
	public void onFailure(Throwable caught) {
	enable(true);
	save.setEnabled(true);
	super.onFailure(caught);
	}
	});
	}

	private class MyMenuPanel extends StringListPanel {
	MyMenuPanel(Button save) {
	super(Util.C.myMenu(), Arrays.asList(Util.C.myMenuName(), Util.C.myMenuUrl()), save, false);

	setInfo(Util.C.myMenuInfo());

	Button resetButton = new Button(Util.C.myMenuReset());
	resetButton.addClickHandler(
	new ClickHandler() {
	@Override
	public void onClick(ClickEvent event) {
	ConfigServerApi.defaultPreferences(
	new GerritCallback<GeneralPreferences>() {
	@Override
	public void onSuccess(GeneralPreferences p) {
	MyPreferencesScreen.this.display(p.my());
	widget.setEnabled(true);
	}
	});
	}
	});
	buttonPanel.add(resetButton);
	}
	}
	}