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/*
* Copyright 2011 gitblit.com.
*
* 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.gitblit.wicket.panels;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Map;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.link.BookmarkablePageLink;
import org.apache.wicket.markup.html.panel.Fragment;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.markup.repeater.data.DataView;
import org.apache.wicket.markup.repeater.data.ListDataProvider;
import org.apache.wicket.model.StringResourceModel;
import org.eclipse.jgit.diff.DiffEntry.ChangeType;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.treewalk.TreeWalk;
import org.eclipse.jgit.treewalk.filter.PathFilterGroup;
import com.gitblit.Constants;
import com.gitblit.GitBlit;
import com.gitblit.Keys;
import com.gitblit.models.PathModel;
import com.gitblit.models.PathModel.PathChangeModel;
import com.gitblit.models.RefModel;
import com.gitblit.utils.JGitUtils;
import com.gitblit.utils.StringUtils;
import com.gitblit.wicket.WicketUtils;
import com.gitblit.wicket.pages.BlobDiffPage;
import com.gitblit.wicket.pages.BlobPage;
import com.gitblit.wicket.pages.CommitDiffPage;
import com.gitblit.wicket.pages.CommitPage;
import com.gitblit.wicket.pages.GitSearchPage;
import com.gitblit.wicket.pages.HistoryPage;
import com.gitblit.wicket.pages.TreePage;
public class HistoryPanel extends BasePanel {
private static final long serialVersionUID = 1L;
private boolean hasMore;
public HistoryPanel(String wicketId, final String repositoryName, final String objectId,
final String path, Repository r, int limit, int pageOffset, boolean showRemoteRefs) {
super(wicketId);
boolean pageResults = limit <= 0;
int itemsPerPage = GitBlit.getInteger(Keys.web.itemsPerPage, 50);
if (itemsPerPage <= 1) {
itemsPerPage = 50;
}
RevCommit commit = JGitUtils.getCommit(r, objectId);
List<PathChangeModel> paths = JGitUtils.getFilesInCommit(r, commit);
PathModel matchingPath = null;
for (PathModel p : paths) {
if (p.path.equals(path)) {
matchingPath = p;
break;
}
}
if (matchingPath == null) {
// path not in commit
// manually locate path in tree
TreeWalk tw = new TreeWalk(r);
tw.reset();
tw.setRecursive(true);
try {
tw.addTree(commit.getTree());
tw.setFilter(PathFilterGroup.createFromStrings(Collections.singleton(path)));
while (tw.next()) {
if (tw.getPathString().equals(path)) {
matchingPath = new PathChangeModel(tw.getPathString(), tw.getPathString(), 0, tw
.getRawMode(0), tw.getObjectId(0).getName(), commit.getId().getName(),
ChangeType.MODIFY);
}
}
} catch (Exception e) {
} finally {
tw.release();
}
}
final boolean isTree = matchingPath == null ? true : matchingPath.isTree();
final Map<ObjectId, List<RefModel>> allRefs = JGitUtils.getAllRefs(r, showRemoteRefs);
List<RevCommit> commits;
if (pageResults) {
// Paging result set
commits = JGitUtils.getRevLog(r, objectId, path, pageOffset * itemsPerPage,
itemsPerPage);
} else {
// Fixed size result set
commits = JGitUtils.getRevLog(r, objectId, path, 0, limit);
}
// inaccurate way to determine if there are more commits.
// works unless commits.size() represents the exact end.
hasMore = commits.size() >= itemsPerPage;
add(new CommitHeaderPanel("commitHeader", repositoryName, commit));
// breadcrumbs
add(new PathBreadcrumbsPanel("breadcrumbs", repositoryName, path, objectId));
final int hashLen = GitBlit.getInteger(Keys.web.shortCommitIdLength, 6);
ListDataProvider<RevCommit> dp = new ListDataProvider<RevCommit>(commits);
DataView<RevCommit> logView = new DataView<RevCommit>("commit", dp) {
private static final long serialVersionUID = 1L;
int counter;
public void populateItem(final Item<RevCommit> item) {
final RevCommit entry = item.getModelObject();
final Date date = JGitUtils.getCommitDate(entry);
item.add(WicketUtils.createDateLabel("commitDate", date, getTimeZone(), getTimeUtils()));
// author search link
String author = entry.getAuthorIdent().getName();
LinkPanel authorLink = new LinkPanel("commitAuthor", "list", author,
GitSearchPage.class,
WicketUtils.newSearchParameter(repositoryName, objectId,
author, Constants.SearchType.AUTHOR));
setPersonSearchTooltip(authorLink, author, Constants.SearchType.AUTHOR);
item.add(authorLink);
// merge icon
if (entry.getParentCount() > 1) {
item.add(WicketUtils.newImage("commitIcon", "commit_merge_16x16.png"));
} else {
item.add(WicketUtils.newBlankImage("commitIcon"));
}
String shortMessage = entry.getShortMessage();
String trimmedMessage = shortMessage;
if (allRefs.containsKey(entry.getId())) {
trimmedMessage = StringUtils.trimString(shortMessage, Constants.LEN_SHORTLOG_REFS);
} else {
trimmedMessage = StringUtils.trimString(shortMessage, Constants.LEN_SHORTLOG);
}
LinkPanel shortlog = new LinkPanel("commitShortMessage", "list subject",
trimmedMessage, CommitPage.class, WicketUtils.newObjectParameter(
repositoryName, entry.getName()));
if (!shortMessage.equals(trimmedMessage)) {
WicketUtils.setHtmlTooltip(shortlog, shortMessage);
}
item.add(shortlog);
item.add(new RefsPanel("commitRefs", repositoryName, entry, allRefs));
if (isTree) {
// tree
item.add(new Label("hashLabel", getString("gb.tree") + "@"));
LinkPanel commitHash = new LinkPanel("hashLink", null, entry.getName().substring(0, hashLen),
TreePage.class, WicketUtils.newObjectParameter(
repositoryName, entry.getName()));
WicketUtils.setCssClass(commitHash, "sha1");
WicketUtils.setHtmlTooltip(commitHash, entry.getName());
item.add(commitHash);
Fragment links = new Fragment("historyLinks", "treeLinks", this);
links.add(new BookmarkablePageLink<Void>("commitdiff", CommitDiffPage.class,
WicketUtils.newObjectParameter(repositoryName, entry.getName())));
item.add(links);
} else {
// commit
item.add(new Label("hashLabel", getString("gb.blob") + "@"));
LinkPanel commitHash = new LinkPanel("hashLink", null, entry.getName().substring(0, hashLen),
BlobPage.class, WicketUtils.newPathParameter(
repositoryName, entry.getName(), path));
WicketUtils.setCssClass(commitHash, "sha1");
WicketUtils.setHtmlTooltip(commitHash, entry.getName());
item.add(commitHash);
Fragment links = new Fragment("historyLinks", "blobLinks", this);
links.add(new BookmarkablePageLink<Void>("commitdiff", CommitDiffPage.class,
WicketUtils.newObjectParameter(repositoryName, entry.getName())));
links.add(new BookmarkablePageLink<Void>("difftocurrent", BlobDiffPage.class,
WicketUtils.newBlobDiffParameter(repositoryName, entry.getName(),
objectId, path)).setEnabled(counter > 0));
item.add(links);
}
WicketUtils.setAlternatingBackground(item, counter);
counter++;
}
};
add(logView);
// determine to show pager, more, or neither
if (limit <= 0) {
// no display limit
add(new Label("moreHistory", "").setVisible(false));
} else {
if (pageResults) {
// paging
add(new Label("moreHistory", "").setVisible(false));
} else {
// more
if (commits.size() == limit) {
// show more
add(new LinkPanel("moreHistory", "link", new StringResourceModel(
"gb.moreHistory", this, null), HistoryPage.class,
WicketUtils.newPathParameter(repositoryName, objectId, path)));
} else {
// no more
add(new Label("moreHistory", "").setVisible(false));
}
}
}
}
public boolean hasMore() {
return hasMore;
}
}
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