gerrit-gwtui/src/main/java/com/google/gerrit/client/changes/PatchSetPanel.java - gerrit - 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.changes;

 import com.google.gerrit.client.FormatUtil;
 import com.google.gerrit.client.Gerrit;
 import com.google.gerrit.client.rpc.GerritCallback;
 import com.google.gerrit.client.ui.AccountDashboardLink;
 import com.google.gerrit.common.data.ChangeDetail;
 import com.google.gerrit.common.data.PatchSetDetail;
 import com.google.gerrit.reviewdb.Account;
 import com.google.gerrit.reviewdb.AccountGeneralPreferences;
 import com.google.gerrit.reviewdb.ApprovalCategory;
 import com.google.gerrit.reviewdb.Branch;
 import com.google.gerrit.reviewdb.Change;
 import com.google.gerrit.reviewdb.ChangeMessage;
 import com.google.gerrit.reviewdb.PatchSet;
 import com.google.gerrit.reviewdb.PatchSetInfo;
 import com.google.gerrit.reviewdb.Project;
 import com.google.gerrit.reviewdb.UserIdentity;
 import com.google.gerrit.reviewdb.AccountGeneralPreferences.DownloadCommand;
 import com.google.gerrit.reviewdb.AccountGeneralPreferences.DownloadUrl;
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
 import com.google.gwt.event.logical.shared.OpenEvent;
 import com.google.gwt.event.logical.shared.OpenHandler;
 import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.rpc.AsyncCallback;
 import com.google.gwt.user.client.ui.Button;
 import com.google.gwt.user.client.ui.Composite;
 import com.google.gwt.user.client.ui.DisclosurePanel;
 import com.google.gwt.user.client.ui.FlowPanel;
 import com.google.gwt.user.client.ui.Grid;
 import com.google.gwt.user.client.ui.InlineLabel;
 import com.google.gwt.user.client.ui.Panel;
 import com.google.gwt.user.client.ui.HTMLTable.CellFormatter;
 import com.google.gwtexpui.clippy.client.CopyableLabel;

 import java.util.Collections;
 import java.util.Set;

 class PatchSetPanel extends Composite implements OpenHandler<DisclosurePanel> {
   private static final int R_AUTHOR = 0;
   private static final int R_COMMITTER = 1;
   private static final int R_DOWNLOAD = 2;
   private static final int R_CNT = 3;

   private final ChangeScreen changeScreen;
   private final ChangeDetail changeDetail;
   private final PatchSet patchSet;
   private final FlowPanel body;

   private Grid infoTable;
   private Panel actionsPanel;
   private PatchTable patchTable;

   PatchSetPanel(final ChangeScreen parent, final ChangeDetail detail,
       final PatchSet ps) {
     changeScreen = parent;
     changeDetail = detail;
     patchSet = ps;
     body = new FlowPanel();
     initWidget(body);
   }

   /**
    * Display the table showing the Author, Committer and Download links,
    * followed by the action buttons.
    */
   public void ensureLoaded(final PatchSetDetail detail) {
     infoTable = new Grid(R_CNT, 2);
     infoTable.setStyleName(Gerrit.RESOURCES.css().infoBlock());
     infoTable.addStyleName(Gerrit.RESOURCES.css().patchSetInfoBlock());

     initRow(R_AUTHOR, Util.C.patchSetInfoAuthor());
     initRow(R_COMMITTER, Util.C.patchSetInfoCommitter());
     initRow(R_DOWNLOAD, Util.C.patchSetInfoDownload());

     final CellFormatter itfmt = infoTable.getCellFormatter();
     itfmt.addStyleName(0, 0, Gerrit.RESOURCES.css().topmost());
     itfmt.addStyleName(0, 1, Gerrit.RESOURCES.css().topmost());
     itfmt.addStyleName(R_CNT - 1, 0, Gerrit.RESOURCES.css().bottomheader());
     itfmt.addStyleName(R_AUTHOR, 1, Gerrit.RESOURCES.css().useridentity());
     itfmt.addStyleName(R_COMMITTER, 1, Gerrit.RESOURCES.css().useridentity());
     itfmt.addStyleName(R_DOWNLOAD, 1, Gerrit.RESOURCES.css()
         .downloadLinkListCell());

     final PatchSetInfo info = detail.getInfo();
     displayUserIdentity(R_AUTHOR, info.getAuthor());
     displayUserIdentity(R_COMMITTER, info.getCommitter());
     displayDownload();


     patchTable = new PatchTable();
     patchTable.setSavePointerId("PatchTable " + patchSet.getId());
     patchTable.display(info.getKey(), detail.getPatches());

     body.add(infoTable);

     actionsPanel = new FlowPanel();
     actionsPanel.setStyleName(Gerrit.RESOURCES.css().patchSetActions());
     body.add(actionsPanel);
     if (Gerrit.isSignedIn()) {
       populateReviewAction();
       if (changeDetail.isCurrentPatchSet(detail)) {
         populateActions(detail);
       }
     }
     body.add(patchTable);
   }

   private void displayDownload() {
     final Branch.NameKey branchKey = changeDetail.getChange().getDest();
     final Project.NameKey projectKey = changeDetail.getChange().getProject();
     final String projectName = projectKey.get();
     final CopyableLabel copyLabel = new CopyableLabel("");
     final DownloadCommandPanel commands = new DownloadCommandPanel();
     final DownloadUrlPanel urls = new DownloadUrlPanel(commands);

     copyLabel.setStyleName(Gerrit.RESOURCES.css().downloadLinkCopyLabel());

     if (changeDetail.isAllowsAnonymous()
         && Gerrit.getConfig().getGitDaemonUrl() != null) {
       StringBuilder r = new StringBuilder();
       r.append(Gerrit.getConfig().getGitDaemonUrl());
       r.append(projectName);
       r.append(" ");
       r.append(patchSet.getRefName());
       urls.add(new DownloadUrlLink(DownloadUrl.ANON_GIT, Util.M
           .anonymousDownload("Git"), r.toString()));
     }

     if (changeDetail.isAllowsAnonymous()) {
       StringBuilder r = new StringBuilder();
       r.append(GWT.getHostPageBaseURL());
       r.append("p/");
       r.append(projectName);
       r.append(" ");
       r.append(patchSet.getRefName());
       urls.add(new DownloadUrlLink(DownloadUrl.ANON_HTTP, Util.M
           .anonymousDownload("HTTP"), r.toString()));
     }

     if (Gerrit.getConfig().getSshdAddress() != null && Gerrit.isSignedIn()
         && Gerrit.getUserAccount().getUserName() != null
         && Gerrit.getUserAccount().getUserName().length() > 0) {
       String sshAddr = Gerrit.getConfig().getSshdAddress();
       final StringBuilder r = new StringBuilder();
       r.append("ssh://");
       r.append(Gerrit.getUserAccount().getUserName());
       r.append("@");
       if (sshAddr.startsWith("*:") || "".equals(sshAddr)) {
         r.append(Window.Location.getHostName());
       }
       if (sshAddr.startsWith("*")) {
         sshAddr = sshAddr.substring(1);
       }
       r.append(sshAddr);
       r.append("/");
       r.append(projectName);
       r.append(" ");
       r.append(patchSet.getRefName());
       urls.add(new DownloadUrlLink(DownloadUrl.SSH, "SSH", r.toString()));
     }

     if (Gerrit.isSignedIn() && Gerrit.getUserAccount().getUserName() != null
         && Gerrit.getUserAccount().getUserName().length() > 0) {
       String base = GWT.getHostPageBaseURL();
       int p = base.indexOf("://");
       int s = base.indexOf('/', p + 3);
       if (s < 0) {
         s = base.length();
       }
       String host = base.substring(p + 3, s);
       if (host.contains("@")) {
         host = host.substring(host.indexOf('@') + 1);
       }

       final StringBuilder r = new StringBuilder();
       r.append(base.substring(0, p + 3));
       r.append(Gerrit.getUserAccount().getUserName());
       r.append('@');
       r.append(host);
       r.append(base.substring(s));
       r.append("p/");
       r.append(projectName);
       r.append(" ");
       r.append(patchSet.getRefName());
       urls.add(new DownloadUrlLink(DownloadUrl.HTTP, "HTTP", r.toString()));
     }

     if (Gerrit.getConfig().isUseRepoDownload()) {
       // This site prefers usage of the 'repo' tool, so suggest
       // that for easy fetch.
       //
       final StringBuilder r = new StringBuilder();
       r.append("repo download ");
       r.append(projectName);
       r.append(" ");
       r.append(changeDetail.getChange().getChangeId());
       r.append("/");
       r.append(patchSet.getPatchSetId());
       final String cmd = r.toString();
       commands.add(new DownloadCommandLink(DownloadCommand.REPO_DOWNLOAD,
           "repo download") {
         @Override
         void setCurrentUrl(DownloadUrlLink link) {
           urls.setVisible(false);
           copyLabel.setText(cmd);
         }
       });
     }

     if (!urls.isEmpty()) {
       commands.add(new DownloadCommandLink(DownloadCommand.PULL, "pull") {
         @Override
         void setCurrentUrl(DownloadUrlLink link) {
           urls.setVisible(true);
           copyLabel.setText("git pull " + link.urlData);
         }
       });
       commands.add(new DownloadCommandLink(DownloadCommand.CHERRY_PICK,
           "cherry-pick") {
         @Override
         void setCurrentUrl(DownloadUrlLink link) {
           urls.setVisible(true);
           copyLabel.setText("git fetch " + link.urlData
               + " && git cherry-pick FETCH_HEAD");
         }
       });
       commands.add(new DownloadCommandLink(DownloadCommand.FORMAT_PATCH,
           "patch") {
         @Override
         void setCurrentUrl(DownloadUrlLink link) {
           urls.setVisible(true);
           copyLabel.setText("git fetch " + link.urlData
               + " && git format-patch -1 --stdout FETCH_HEAD");
         }
       });
     }

     final FlowPanel fp = new FlowPanel();
     if (!commands.isEmpty()) {
       final AccountGeneralPreferences pref;
       if (Gerrit.isSignedIn()) {
         pref = Gerrit.getUserAccount().getGeneralPreferences();
       } else {
         pref = new AccountGeneralPreferences();
         pref.resetToDefaults();
       }
       commands.select(pref.getDownloadCommand());
       urls.select(pref.getDownloadUrl());

       FlowPanel p = new FlowPanel();
       p.setStyleName(Gerrit.RESOURCES.css().downloadLinkHeader());
       p.add(commands);
       final InlineLabel glue = new InlineLabel();
       glue.setStyleName(Gerrit.RESOURCES.css().downloadLinkHeaderGap());
       p.add(glue);
       p.add(urls);

       fp.add(p);
       fp.add(copyLabel);
     }
     infoTable.setWidget(R_DOWNLOAD, 1, fp);
   }

   private void displayUserIdentity(final int row, final UserIdentity who) {
     if (who == null) {
       infoTable.clearCell(row, 1);
       return;
     }

     final FlowPanel fp = new FlowPanel();
     fp.setStyleName(Gerrit.RESOURCES.css().patchSetUserIdentity());
     if (who.getName() != null) {
       final Account.Id aId = who.getAccount();
       if (aId != null) {
         fp.add(new AccountDashboardLink(who.getName(), aId));
       } else {
         final InlineLabel lbl = new InlineLabel(who.getName());
         lbl.setStyleName(Gerrit.RESOURCES.css().accountName());
         fp.add(lbl);
       }
     }
     if (who.getEmail() != null) {
       fp.add(new InlineLabel("<" + who.getEmail() + ">"));
     }
     if (who.getDate() != null) {
       fp.add(new InlineLabel(FormatUtil.mediumFormat(who.getDate())));
     }
     infoTable.setWidget(row, 1, fp);
   }

   private void populateActions(final PatchSetDetail detail) {
     final boolean isOpen = changeDetail.getChange().getStatus().isOpen();
     Set<ApprovalCategory.Id> allowed = changeDetail.getCurrentActions();
     if (allowed == null) {
       allowed = Collections.emptySet();
     }

     if (isOpen && allowed.contains(ApprovalCategory.SUBMIT)) {
       final Button b =
           new Button(Util.M
               .submitPatchSet(detail.getPatchSet().getPatchSetId()));
       b.addClickHandler(new ClickHandler() {
         @Override
         public void onClick(final ClickEvent event) {
           b.setEnabled(false);
           Util.MANAGE_SVC.submit(patchSet.getId(),
               new GerritCallback<ChangeDetail>() {
                 public void onSuccess(ChangeDetail result) {
                   onSubmitResult(result);
                 }

                 @Override
                 public void onFailure(Throwable caught) {
                   b.setEnabled(true);
                   super.onFailure(caught);
                 }
               });
         }
       });
       actionsPanel.add(b);
     }

     if (changeDetail.canAbandon()) {
       final Button b = new Button(Util.C.buttonAbandonChangeBegin());
       b.addClickHandler(new ClickHandler() {
         @Override
         public void onClick(final ClickEvent event) {
           new AbandonChangeDialog(patchSet.getId(),
               new AsyncCallback<ChangeDetail>() {
                 public void onSuccess(ChangeDetail result) {
                   changeScreen.display(result);
                 }

                 public void onFailure(Throwable caught) {
                   b.setEnabled(true);
                 }
               }).center();
         }
       });
       actionsPanel.add(b);
     }
   }

   private void populateReviewAction() {
     final Button b = new Button(Util.C.buttonReview());
     b.addClickHandler(new ClickHandler() {
       @Override
       public void onClick(final ClickEvent event) {
         Gerrit.display("change,publish," + patchSet.getId().toString(),
             new PublishCommentScreen(patchSet.getId()));
       }
     });
     actionsPanel.add(b);
   }

   @Override
   public void onOpen(final OpenEvent<DisclosurePanel> event) {
     if (infoTable == null) {
       Util.DETAIL_SVC.patchSetDetail(patchSet.getId(),
           new GerritCallback<PatchSetDetail>() {
             public void onSuccess(final PatchSetDetail result) {
               ensureLoaded(result);
             }
           });
     }
   }

   private void initRow(final int row, final String name) {
     infoTable.setText(row, 0, name);
     infoTable.getCellFormatter().addStyleName(row, 0,
         Gerrit.RESOURCES.css().header());
   }

   private void onSubmitResult(final ChangeDetail result) {
     if (result.getChange().getStatus() == Change.Status.NEW) {
       // The submit failed. Try to locate the message and display
       // it to the user, it should be the last one created by Gerrit.
       //
       ChangeMessage msg = null;
       if (result.getMessages() != null && result.getMessages().size() > 0) {
         for (int i = result.getMessages().size() - 1; i >= 0; i--) {
           if (result.getMessages().get(i).getAuthor() == null) {
             msg = result.getMessages().get(i);
             break;
           }
         }
       }

       if (msg != null) {
         new SubmitFailureDialog(result, msg).center();
       }
     }
     changeScreen.display(result);
   }
 }
	// 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.changes;

	import com.google.gerrit.client.FormatUtil;
	import com.google.gerrit.client.Gerrit;
	import com.google.gerrit.client.rpc.GerritCallback;
	import com.google.gerrit.client.ui.AccountDashboardLink;
	import com.google.gerrit.common.data.ChangeDetail;
	import com.google.gerrit.common.data.PatchSetDetail;
	import com.google.gerrit.reviewdb.Account;
	import com.google.gerrit.reviewdb.AccountGeneralPreferences;
	import com.google.gerrit.reviewdb.ApprovalCategory;
	import com.google.gerrit.reviewdb.Branch;
	import com.google.gerrit.reviewdb.Change;
	import com.google.gerrit.reviewdb.ChangeMessage;
	import com.google.gerrit.reviewdb.PatchSet;
	import com.google.gerrit.reviewdb.PatchSetInfo;
	import com.google.gerrit.reviewdb.Project;
	import com.google.gerrit.reviewdb.UserIdentity;
	import com.google.gerrit.reviewdb.AccountGeneralPreferences.DownloadCommand;
	import com.google.gerrit.reviewdb.AccountGeneralPreferences.DownloadUrl;
	import com.google.gwt.core.client.GWT;
	import com.google.gwt.event.dom.client.ClickEvent;
	import com.google.gwt.event.dom.client.ClickHandler;
	import com.google.gwt.event.logical.shared.OpenEvent;
	import com.google.gwt.event.logical.shared.OpenHandler;
	import com.google.gwt.user.client.Window;
	import com.google.gwt.user.client.rpc.AsyncCallback;
	import com.google.gwt.user.client.ui.Button;
	import com.google.gwt.user.client.ui.Composite;
	import com.google.gwt.user.client.ui.DisclosurePanel;
	import com.google.gwt.user.client.ui.FlowPanel;
	import com.google.gwt.user.client.ui.Grid;
	import com.google.gwt.user.client.ui.InlineLabel;
	import com.google.gwt.user.client.ui.Panel;
	import com.google.gwt.user.client.ui.HTMLTable.CellFormatter;
	import com.google.gwtexpui.clippy.client.CopyableLabel;

	import java.util.Collections;
	import java.util.Set;

	class PatchSetPanel extends Composite implements OpenHandler<DisclosurePanel> {
	private static final int R_AUTHOR = 0;
	private static final int R_COMMITTER = 1;
	private static final int R_DOWNLOAD = 2;
	private static final int R_CNT = 3;

	private final ChangeScreen changeScreen;
	private final ChangeDetail changeDetail;
	private final PatchSet patchSet;
	private final FlowPanel body;

	private Grid infoTable;
	private Panel actionsPanel;
	private PatchTable patchTable;

	PatchSetPanel(final ChangeScreen parent, final ChangeDetail detail,
	final PatchSet ps) {
	changeScreen = parent;
	changeDetail = detail;
	patchSet = ps;
	body = new FlowPanel();
	initWidget(body);
	}

	/**
	* Display the table showing the Author, Committer and Download links,
	* followed by the action buttons.
	*/
	public void ensureLoaded(final PatchSetDetail detail) {
	infoTable = new Grid(R_CNT, 2);
	infoTable.setStyleName(Gerrit.RESOURCES.css().infoBlock());
	infoTable.addStyleName(Gerrit.RESOURCES.css().patchSetInfoBlock());

	initRow(R_AUTHOR, Util.C.patchSetInfoAuthor());
	initRow(R_COMMITTER, Util.C.patchSetInfoCommitter());
	initRow(R_DOWNLOAD, Util.C.patchSetInfoDownload());

	final CellFormatter itfmt = infoTable.getCellFormatter();
	itfmt.addStyleName(0, 0, Gerrit.RESOURCES.css().topmost());
	itfmt.addStyleName(0, 1, Gerrit.RESOURCES.css().topmost());
	itfmt.addStyleName(R_CNT - 1, 0, Gerrit.RESOURCES.css().bottomheader());
	itfmt.addStyleName(R_AUTHOR, 1, Gerrit.RESOURCES.css().useridentity());
	itfmt.addStyleName(R_COMMITTER, 1, Gerrit.RESOURCES.css().useridentity());
	itfmt.addStyleName(R_DOWNLOAD, 1, Gerrit.RESOURCES.css()
	.downloadLinkListCell());

	final PatchSetInfo info = detail.getInfo();
	displayUserIdentity(R_AUTHOR, info.getAuthor());
	displayUserIdentity(R_COMMITTER, info.getCommitter());
	displayDownload();


	patchTable = new PatchTable();
	patchTable.setSavePointerId("PatchTable " + patchSet.getId());
	patchTable.display(info.getKey(), detail.getPatches());

	body.add(infoTable);

	actionsPanel = new FlowPanel();
	actionsPanel.setStyleName(Gerrit.RESOURCES.css().patchSetActions());
	body.add(actionsPanel);
	if (Gerrit.isSignedIn()) {
	populateReviewAction();
	if (changeDetail.isCurrentPatchSet(detail)) {
	populateActions(detail);
	}
	}
	body.add(patchTable);
	}

	private void displayDownload() {
	final Branch.NameKey branchKey = changeDetail.getChange().getDest();
	final Project.NameKey projectKey = changeDetail.getChange().getProject();
	final String projectName = projectKey.get();
	final CopyableLabel copyLabel = new CopyableLabel("");
	final DownloadCommandPanel commands = new DownloadCommandPanel();
	final DownloadUrlPanel urls = new DownloadUrlPanel(commands);

	copyLabel.setStyleName(Gerrit.RESOURCES.css().downloadLinkCopyLabel());

	if (changeDetail.isAllowsAnonymous()
	&& Gerrit.getConfig().getGitDaemonUrl() != null) {
	StringBuilder r = new StringBuilder();
	r.append(Gerrit.getConfig().getGitDaemonUrl());
	r.append(projectName);
	r.append(" ");
	r.append(patchSet.getRefName());
	urls.add(new DownloadUrlLink(DownloadUrl.ANON_GIT, Util.M
	.anonymousDownload("Git"), r.toString()));
	}

	if (changeDetail.isAllowsAnonymous()) {
	StringBuilder r = new StringBuilder();
	r.append(GWT.getHostPageBaseURL());
	r.append("p/");
	r.append(projectName);
	r.append(" ");
	r.append(patchSet.getRefName());
	urls.add(new DownloadUrlLink(DownloadUrl.ANON_HTTP, Util.M
	.anonymousDownload("HTTP"), r.toString()));
	}

	if (Gerrit.getConfig().getSshdAddress() != null && Gerrit.isSignedIn()
	&& Gerrit.getUserAccount().getUserName() != null
	&& Gerrit.getUserAccount().getUserName().length() > 0) {
	String sshAddr = Gerrit.getConfig().getSshdAddress();
	final StringBuilder r = new StringBuilder();
	r.append("ssh://");
	r.append(Gerrit.getUserAccount().getUserName());
	r.append("@");
	if (sshAddr.startsWith("*:") \|\| "".equals(sshAddr)) {
	r.append(Window.Location.getHostName());
	}
	if (sshAddr.startsWith("*")) {
	sshAddr = sshAddr.substring(1);
	}
	r.append(sshAddr);
	r.append("/");
	r.append(projectName);
	r.append(" ");
	r.append(patchSet.getRefName());
	urls.add(new DownloadUrlLink(DownloadUrl.SSH, "SSH", r.toString()));
	}

	if (Gerrit.isSignedIn() && Gerrit.getUserAccount().getUserName() != null
	&& Gerrit.getUserAccount().getUserName().length() > 0) {
	String base = GWT.getHostPageBaseURL();
	int p = base.indexOf("://");
	int s = base.indexOf('/', p + 3);
	if (s < 0) {
	s = base.length();
	}
	String host = base.substring(p + 3, s);
	if (host.contains("@")) {
	host = host.substring(host.indexOf('@') + 1);
	}

	final StringBuilder r = new StringBuilder();
	r.append(base.substring(0, p + 3));
	r.append(Gerrit.getUserAccount().getUserName());
	r.append('@');
	r.append(host);
	r.append(base.substring(s));
	r.append("p/");
	r.append(projectName);
	r.append(" ");
	r.append(patchSet.getRefName());
	urls.add(new DownloadUrlLink(DownloadUrl.HTTP, "HTTP", r.toString()));
	}

	if (Gerrit.getConfig().isUseRepoDownload()) {
	// This site prefers usage of the 'repo' tool, so suggest
	// that for easy fetch.
	//
	final StringBuilder r = new StringBuilder();
	r.append("repo download ");
	r.append(projectName);
	r.append(" ");
	r.append(changeDetail.getChange().getChangeId());
	r.append("/");
	r.append(patchSet.getPatchSetId());
	final String cmd = r.toString();
	commands.add(new DownloadCommandLink(DownloadCommand.REPO_DOWNLOAD,
	"repo download") {
	@Override
	void setCurrentUrl(DownloadUrlLink link) {
	urls.setVisible(false);
	copyLabel.setText(cmd);
	}
	});
	}

	if (!urls.isEmpty()) {
	commands.add(new DownloadCommandLink(DownloadCommand.PULL, "pull") {
	@Override
	void setCurrentUrl(DownloadUrlLink link) {
	urls.setVisible(true);
	copyLabel.setText("git pull " + link.urlData);
	}
	});
	commands.add(new DownloadCommandLink(DownloadCommand.CHERRY_PICK,
	"cherry-pick") {
	@Override
	void setCurrentUrl(DownloadUrlLink link) {
	urls.setVisible(true);
	copyLabel.setText("git fetch " + link.urlData
	+ " && git cherry-pick FETCH_HEAD");
	}
	});
	commands.add(new DownloadCommandLink(DownloadCommand.FORMAT_PATCH,
	"patch") {
	@Override
	void setCurrentUrl(DownloadUrlLink link) {
	urls.setVisible(true);
	copyLabel.setText("git fetch " + link.urlData
	+ " && git format-patch -1 --stdout FETCH_HEAD");
	}
	});
	}

	final FlowPanel fp = new FlowPanel();
	if (!commands.isEmpty()) {
	final AccountGeneralPreferences pref;
	if (Gerrit.isSignedIn()) {
	pref = Gerrit.getUserAccount().getGeneralPreferences();
	} else {
	pref = new AccountGeneralPreferences();
	pref.resetToDefaults();
	}
	commands.select(pref.getDownloadCommand());
	urls.select(pref.getDownloadUrl());

	FlowPanel p = new FlowPanel();
	p.setStyleName(Gerrit.RESOURCES.css().downloadLinkHeader());
	p.add(commands);
	final InlineLabel glue = new InlineLabel();
	glue.setStyleName(Gerrit.RESOURCES.css().downloadLinkHeaderGap());
	p.add(glue);
	p.add(urls);

	fp.add(p);
	fp.add(copyLabel);
	}
	infoTable.setWidget(R_DOWNLOAD, 1, fp);
	}

	private void displayUserIdentity(final int row, final UserIdentity who) {
	if (who == null) {
	infoTable.clearCell(row, 1);
	return;
	}

	final FlowPanel fp = new FlowPanel();
	fp.setStyleName(Gerrit.RESOURCES.css().patchSetUserIdentity());
	if (who.getName() != null) {
	final Account.Id aId = who.getAccount();
	if (aId != null) {
	fp.add(new AccountDashboardLink(who.getName(), aId));
	} else {
	final InlineLabel lbl = new InlineLabel(who.getName());
	lbl.setStyleName(Gerrit.RESOURCES.css().accountName());
	fp.add(lbl);
	}
	}
	if (who.getEmail() != null) {
	fp.add(new InlineLabel("<" + who.getEmail() + ">"));
	}
	if (who.getDate() != null) {
	fp.add(new InlineLabel(FormatUtil.mediumFormat(who.getDate())));
	}
	infoTable.setWidget(row, 1, fp);
	}

	private void populateActions(final PatchSetDetail detail) {
	final boolean isOpen = changeDetail.getChange().getStatus().isOpen();
	Set<ApprovalCategory.Id> allowed = changeDetail.getCurrentActions();
	if (allowed == null) {
	allowed = Collections.emptySet();
	}

	if (isOpen && allowed.contains(ApprovalCategory.SUBMIT)) {
	final Button b =
	new Button(Util.M
	.submitPatchSet(detail.getPatchSet().getPatchSetId()));
	b.addClickHandler(new ClickHandler() {
	@Override
	public void onClick(final ClickEvent event) {
	b.setEnabled(false);
	Util.MANAGE_SVC.submit(patchSet.getId(),
	new GerritCallback<ChangeDetail>() {
	public void onSuccess(ChangeDetail result) {
	onSubmitResult(result);
	}

	@Override
	public void onFailure(Throwable caught) {
	b.setEnabled(true);
	super.onFailure(caught);
	}
	});
	}
	});
	actionsPanel.add(b);
	}

	if (changeDetail.canAbandon()) {
	final Button b = new Button(Util.C.buttonAbandonChangeBegin());
	b.addClickHandler(new ClickHandler() {
	@Override
	public void onClick(final ClickEvent event) {
	new AbandonChangeDialog(patchSet.getId(),
	new AsyncCallback<ChangeDetail>() {
	public void onSuccess(ChangeDetail result) {
	changeScreen.display(result);
	}

	public void onFailure(Throwable caught) {
	b.setEnabled(true);
	}
	}).center();
	}
	});
	actionsPanel.add(b);
	}
	}

	private void populateReviewAction() {
	final Button b = new Button(Util.C.buttonReview());
	b.addClickHandler(new ClickHandler() {
	@Override
	public void onClick(final ClickEvent event) {
	Gerrit.display("change,publish," + patchSet.getId().toString(),
	new PublishCommentScreen(patchSet.getId()));
	}
	});
	actionsPanel.add(b);
	}

	@Override
	public void onOpen(final OpenEvent<DisclosurePanel> event) {
	if (infoTable == null) {
	Util.DETAIL_SVC.patchSetDetail(patchSet.getId(),
	new GerritCallback<PatchSetDetail>() {
	public void onSuccess(final PatchSetDetail result) {
	ensureLoaded(result);
	}
	});
	}
	}

	private void initRow(final int row, final String name) {
	infoTable.setText(row, 0, name);
	infoTable.getCellFormatter().addStyleName(row, 0,
	Gerrit.RESOURCES.css().header());
	}

	private void onSubmitResult(final ChangeDetail result) {
	if (result.getChange().getStatus() == Change.Status.NEW) {
	// The submit failed. Try to locate the message and display
	// it to the user, it should be the last one created by Gerrit.
	//
	ChangeMessage msg = null;
	if (result.getMessages() != null && result.getMessages().size() > 0) {
	for (int i = result.getMessages().size() - 1; i >= 0; i--) {
	if (result.getMessages().get(i).getAuthor() == null) {
	msg = result.getMessages().get(i);
	break;
	}
	}
	}

	if (msg != null) {
	new SubmitFailureDialog(result, msg).center();
	}
	}
	changeScreen.display(result);
	}
	}