// Copyright (C) 2013 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.change;
import com.google.gerrit.client.AvatarImage;
import com.google.gerrit.client.FormatUtil;
import com.google.gerrit.client.info.AccountInfo;
import com.google.gerrit.client.info.ChangeInfo;
import com.google.gerrit.client.info.ChangeInfo.CommitInfo;
import com.google.gerrit.client.info.ChangeInfo.GitPerson;
import com.google.gerrit.client.info.ChangeInfo.RevisionInfo;
import com.google.gerrit.client.info.WebLinkInfo;
import com.google.gerrit.client.rpc.Natives;
import com.google.gerrit.client.ui.CommentLinkProcessor;
import com.google.gerrit.client.ui.InlineHyperlink;
import com.google.gerrit.common.Nullable;
import com.google.gerrit.common.PageLinks;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.TableRowElement;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.resources.client.CssResource;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwt.user.client.ui.UIObject;
import com.google.gwtexpui.clippy.client.CopyableLabel;
import com.google.gwtexpui.safehtml.client.SafeHtmlBuilder;
class CommitBox extends Composite {
interface Binder extends UiBinder<HTMLPanel, CommitBox> {}
private static final Binder uiBinder = GWT.create(Binder.class);
interface Style extends CssResource {
String collapsed();
String expanded();
String clippy();
String parentWebLink();
}
@UiField Style style;
@UiField FlowPanel authorPanel;
@UiField FlowPanel committerPanel;
@UiField Image mergeCommit;
@UiField CopyableLabel commitName;
@UiField FlowPanel webLinkPanel;
@UiField TableRowElement firstParent;
@UiField FlowPanel parentCommits;
@UiField FlowPanel parentWebLinks;
@UiField InlineHyperlink authorNameEmail;
@UiField Element authorDate;
@UiField InlineHyperlink committerNameEmail;
@UiField Element committerDate;
@UiField CopyableLabel idText;
@UiField HTML text;
@UiField ScrollPanel scroll;
@UiField Button more;
@UiField Element parentNotCurrentText;
private boolean expanded;
CommitBox() {
initWidget(uiBinder.createAndBindUi(this));
addStyleName(style.collapsed());
}
void onShowView() {
more.setVisible(scroll.getMaximumVerticalScrollPosition() > 0);
}
@UiHandler("more")
void onMore(@SuppressWarnings("unused") ClickEvent e) {
if (expanded) {
removeStyleName(style.expanded());
addStyleName(style.collapsed());
} else {
removeStyleName(style.collapsed());
addStyleName(style.expanded());
}
expanded = !expanded;
}
void set(CommentLinkProcessor commentLinkProcessor, ChangeInfo change, String revision) {
RevisionInfo revInfo = change.revision(revision);
CommitInfo commit = revInfo.commit();
commitName.setText(revision);
idText.setText("Change-Id: " + change.changeId());
idText.setPreviewText(change.changeId());
formatLink(commit.author(), authorPanel, authorNameEmail, authorDate, change);
formatLink(commit.committer(), committerPanel, committerNameEmail, committerDate, change);
text.setHTML(
commentLinkProcessor.apply(new SafeHtmlBuilder().append(commit.message()).linkify()));
setWebLinks(webLinkPanel, revInfo.commit());
if (revInfo.commit().parents().length() > 1) {
mergeCommit.setVisible(true);
}
setParents(revInfo.commit().parents());
}
void setParentNotCurrent(boolean parentNotCurrent) {
// display the orange ball if parent has moved on (not current)
UIObject.setVisible(parentNotCurrentText, parentNotCurrent);
parentNotCurrentText.setInnerText(parentNotCurrent ? "\u25CF" : "");
}
private void setWebLinks(FlowPanel panel, CommitInfo commit) {
JsArray<WebLinkInfo> links = commit.webLinks();
if (links != null) {
for (WebLinkInfo link : Natives.asList(links)) {
panel.add(link.toAnchor());
}
}
}
private void setParents(JsArray<CommitInfo> commits) {
setVisible(firstParent, true);
TableRowElement next = firstParent;
TableRowElement previous = null;
for (CommitInfo c : Natives.asList(commits)) {
if (next == firstParent) {
CopyableLabel copyLabel = getCommitLabel(c);
parentCommits.add(copyLabel);
setWebLinks(parentWebLinks, c);
} else {
next.appendChild(DOM.createTD());
Element td1 = DOM.createTD();
td1.appendChild(getCommitLabel(c).getElement());
next.appendChild(td1);
FlowPanel linksPanel = new FlowPanel();
linksPanel.addStyleName(style.parentWebLink());
setWebLinks(linksPanel, c);
Element td2 = DOM.createTD();
td2.appendChild(linksPanel.getElement());
next.appendChild(td2);
previous.getParentElement().insertAfter(next, previous);
}
previous = next;
next = DOM.createTR().cast();
}
}
private CopyableLabel getCommitLabel(CommitInfo c) {
CopyableLabel copyLabel;
copyLabel = new CopyableLabel(c.commit());
copyLabel.setTitle(c.subject());
copyLabel.setStyleName(style.clippy());
return copyLabel;
}
private static void formatLink(
GitPerson person, FlowPanel p, InlineHyperlink name, Element date, ChangeInfo change) {
// only try to fetch the avatar image for author and committer if an avatar
// plugin is installed, if the change owner has no avatar info assume that
// no avatar plugin is installed
if (change.owner().hasAvatarInfo()) {
AvatarImage avatar;
if (sameEmail(change.owner(), person)) {
avatar = new AvatarImage(change.owner());
} else {
avatar = new AvatarImage(AccountInfo.create(0, person.name(), person.email(), null));
}
p.insert(avatar, 0);
}
name.setText(renderName(person));
name.setTargetHistoryToken(PageLinks.toAccountQuery(owner(person), change.status()));
date.setInnerText(FormatUtil.mediumFormat(person.date()));
}
private static String renderName(GitPerson person) {
return person.name() + " <" + person.email() + ">";
}
private static String owner(GitPerson person) {
if (person.email() != null) {
return person.email();
} else if (person.name() != null) {
return person.name();
} else {
return "";
}
}
private static boolean sameEmail(@Nullable AccountInfo p1, @Nullable GitPerson p2) {
return p1 != null
&& p2 != null
&& p1.email() != null
&& p2.email() != null
&& p1.email().equals(p2.email());
}
}