/*
* 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.io.IOException;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.apache.wicket.PageParameters;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.link.BookmarkablePageLink;
import org.apache.wicket.markup.html.link.ExternalLink;
import org.apache.wicket.markup.html.link.Link;
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.apache.wicket.protocol.http.RequestUtils;
import org.apache.wicket.request.target.basic.RedirectRequestTarget;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.Repository;
import com.gitblit.Constants;
import com.gitblit.models.RefModel;
import com.gitblit.models.RepositoryModel;
import com.gitblit.models.UserModel;
import com.gitblit.servlet.RawServlet;
import com.gitblit.servlet.SyndicationServlet;
import com.gitblit.utils.CommitCache;
import com.gitblit.utils.JGitUtils;
import com.gitblit.utils.RefLogUtils;
import com.gitblit.utils.StringUtils;
import com.gitblit.wicket.GitBlitWebSession;
import com.gitblit.wicket.WicketUtils;
import com.gitblit.wicket.pages.BranchesPage;
import com.gitblit.wicket.pages.CommitPage;
import com.gitblit.wicket.pages.GitSearchPage;
import com.gitblit.wicket.pages.LogPage;
import com.gitblit.wicket.pages.MetricsPage;
import com.gitblit.wicket.pages.TreePage;
public class BranchesPanel extends BasePanel {
private static final long serialVersionUID = 1L;
private final boolean hasBranches;
public BranchesPanel(String wicketId, final RepositoryModel model, Repository r,
final int maxCount, final boolean showAdmin) {
super(wicketId);
// branches
List<RefModel> branches = new ArrayList<RefModel>();
UserModel user = GitBlitWebSession.get().getUser();
if (user == null) {
user = UserModel.ANONYMOUS;
}
List<RefModel> localBranches = JGitUtils.getLocalBranches(r, false, -1);
for (RefModel refModel : localBranches) {
if (user.canView(model, refModel.reference.getName())) {
branches.add(refModel);
}
}
if (model.showRemoteBranches) {
List<RefModel> remoteBranches = JGitUtils.getRemoteBranches(r, false, -1);
for (RefModel refModel : remoteBranches) {
if (user.canView(model, refModel.reference.getName())) {
branches.add(refModel);
}
}
}
Collections.sort(branches);
Collections.reverse(branches);
if (maxCount > 0 && branches.size() > maxCount) {
branches = new ArrayList<RefModel>(branches.subList(0, maxCount));
}
if (maxCount > 0) {
// summary page
// show branches page link
add(new LinkPanel("branches", "title", new StringResourceModel("gb.branches", this,
null), BranchesPage.class, WicketUtils.newRepositoryParameter(model.name)));
} else {
// branches page
add(new Label("branches", new StringResourceModel("gb.branches", this, null)));
}
// only allow delete if we have multiple branches
final boolean showDelete = showAdmin && branches.size() > 1;
ListDataProvider<RefModel> branchesDp = new ListDataProvider<RefModel>(branches);
DataView<RefModel> branchesView = new DataView<RefModel>("branch", branchesDp) {
private static final long serialVersionUID = 1L;
int counter;
@Override
public void populateItem(final Item<RefModel> item) {
final RefModel entry = item.getModelObject();
item.add(WicketUtils.createDateLabel("branchDate", entry.getDate(), getTimeZone(), getTimeUtils()));
item.add(new LinkPanel("branchName", "list name", StringUtils.trimString(
entry.displayName, 28), LogPage.class, WicketUtils.newObjectParameter(
model.name, entry.getName())));
String author = entry.getAuthorIdent().getName();
LinkPanel authorLink = new LinkPanel("branchAuthor", "list", author,
GitSearchPage.class, WicketUtils.newSearchParameter(model.name,
entry.getName(), author, Constants.SearchType.AUTHOR));
setPersonSearchTooltip(authorLink, author, Constants.SearchType.AUTHOR);
item.add(authorLink);
// short message
String shortMessage = entry.getShortMessage();
String trimmedMessage = StringUtils.trimString(shortMessage, Constants.LEN_SHORTLOG);
LinkPanel shortlog = new LinkPanel("branchLog", "list subject", trimmedMessage,
CommitPage.class, WicketUtils.newObjectParameter(model.name,
entry.getName()));
if (!shortMessage.equals(trimmedMessage)) {
shortlog.setTooltip(shortMessage);
}
item.add(shortlog);
if (maxCount <= 0) {
Fragment fragment = new Fragment("branchLinks", showDelete? "branchPageAdminLinks" : "branchPageLinks", this);
fragment.add(new BookmarkablePageLink<Void>("log", LogPage.class, WicketUtils
.newObjectParameter(model.name, entry.getName())));
fragment.add(new BookmarkablePageLink<Void>("tree", TreePage.class, WicketUtils
.newObjectParameter(model.name, entry.getName())));
String rawUrl = RawServlet.asLink(getContextUrl(), model.name, Repository.shortenRefName(entry.getName()), null);
fragment.add(new ExternalLink("raw", rawUrl));
fragment.add(new BookmarkablePageLink<Void>("metrics", MetricsPage.class,
WicketUtils.newObjectParameter(model.name, entry.getName())));
fragment.add(new ExternalLink("syndication", SyndicationServlet.asLink(
getRequest().getRelativePathPrefixToContextRoot(), model.name,
entry.getName(), 0)));
if (showDelete) {
fragment.add(createDeleteBranchLink(model, entry));
}
item.add(fragment);
} else {
Fragment fragment = new Fragment("branchLinks", "branchPanelLinks", this);
fragment.add(new BookmarkablePageLink<Void>("log", LogPage.class, WicketUtils
.newObjectParameter(model.name, entry.getName())));
fragment.add(new BookmarkablePageLink<Void>("tree", TreePage.class, WicketUtils
.newObjectParameter(model.name, entry.getName())));
String rawUrl = RawServlet.asLink(getContextUrl(), model.name, Repository.shortenRefName(entry.getName()), null);
fragment.add(new ExternalLink("raw", rawUrl));
item.add(fragment);
}
WicketUtils.setAlternatingBackground(item, counter);
counter++;
}
};
add(branchesView);
if (branches.size() < maxCount || maxCount <= 0) {
add(new Label("allBranches", "").setVisible(false));
} else {
add(new LinkPanel("allBranches", "link", new StringResourceModel("gb.allBranches",
this, null), BranchesPage.class, WicketUtils.newRepositoryParameter(model.name)));
}
// We always have 1 branch
hasBranches = (branches.size() > 1)
|| ((branches.size() == 1) && !branches.get(0).displayName
.equalsIgnoreCase("master"));
}
public BranchesPanel hideIfEmpty() {
setVisible(hasBranches);
return this;
}
private Link<Void> createDeleteBranchLink(final RepositoryModel repositoryModel, final RefModel entry)
{
Link<Void> deleteLink = new Link<Void>("deleteBranch") {
private static final long serialVersionUID = 1L;
@Override
public void onClick() {
Repository r = app().repositories().getRepository(repositoryModel.name);
if (r == null) {
if (app().repositories().isCollectingGarbage(repositoryModel.name)) {
error(MessageFormat.format(getString("gb.busyCollectingGarbage"), repositoryModel.name));
} else {
error(MessageFormat.format("Failed to find repository {0}", repositoryModel.name));
}
return;
}
final String branch = entry.getName();
Ref ref = null;
try {
ref = r.getRef(branch);
if (ref == null && !branch.startsWith(Constants.R_HEADS)) {
ref = r.getRef(Constants.R_HEADS + branch);
}
} catch (IOException e) {
}
if (ref != null) {
boolean success = JGitUtils.deleteBranchRef(r, ref.getName());
if (success) {
// clear commit cache
CommitCache.instance().clear(repositoryModel.name, branch);
// optionally update reflog
if (RefLogUtils.hasRefLogBranch(r)) {
UserModel user = GitBlitWebSession.get().getUser();
RefLogUtils.deleteRef(user, r, ref);
}
}
if (success) {
info(MessageFormat.format("Branch \"{0}\" deleted", branch));
} else {
error(MessageFormat.format("Failed to delete branch \"{0}\"", branch));
}
}
r.close();
// redirect to the owning page
PageParameters params = WicketUtils.newRepositoryParameter(repositoryModel.name);
String relativeUrl = urlFor(getPage().getClass(), params).toString();
String absoluteUrl = RequestUtils.toAbsolutePath(relativeUrl);
getRequestCycle().setRequestTarget(new RedirectRequestTarget(absoluteUrl));
}
};
deleteLink.add(new JavascriptEventConfirmation("onclick", MessageFormat.format(
"Delete branch \"{0}\"?", entry.displayName )));
return deleteLink;
}
}