/*
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* Copyright 2011 gitblit.com.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.gitblit.wicket.pages;
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import java.text.DateFormat;
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import java.text.MessageFormat;
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import java.text.SimpleDateFormat;
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import java.util.List;
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import org.apache.wicket.PageParameters;
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import org.apache.wicket.markup.html.basic.Label;
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import org.apache.wicket.markup.html.link.BookmarkablePageLink;
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import org.apache.wicket.markup.repeater.Item;
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import org.apache.wicket.markup.repeater.data.DataView;
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import org.apache.wicket.markup.repeater.data.ListDataProvider;
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import org.eclipse.jgit.lib.Constants;
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import org.eclipse.jgit.lib.ObjectId;
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import org.eclipse.jgit.revwalk.RevCommit;
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import com.gitblit.GitBlit;
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import com.gitblit.Keys;
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import com.gitblit.models.AnnotatedLine;
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import com.gitblit.models.PathModel;
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import com.gitblit.utils.DiffUtils;
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import com.gitblit.utils.JGitUtils;
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import com.gitblit.utils.StringUtils;
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import com.gitblit.wicket.WicketUtils;
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import com.gitblit.wicket.panels.CommitHeaderPanel;
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import com.gitblit.wicket.panels.LinkPanel;
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import com.gitblit.wicket.panels.PathBreadcrumbsPanel;
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public class BlamePage extends RepositoryPage {
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public BlamePage(PageParameters params) {
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super(params);
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final String blobPath = WicketUtils.getPath(params);
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RevCommit commit = getCommit();
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add(new BookmarkablePageLink<Void>("blobLink", BlobPage.class,
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WicketUtils.newPathParameter(repositoryName, objectId, blobPath)));
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add(new BookmarkablePageLink<Void>("commitLink", CommitPage.class,
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WicketUtils.newObjectParameter(repositoryName, objectId)));
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add(new BookmarkablePageLink<Void>("commitDiffLink", CommitDiffPage.class,
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WicketUtils.newObjectParameter(repositoryName, objectId)));
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// blame page links
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add(new BookmarkablePageLink<Void>("headLink", BlamePage.class,
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WicketUtils.newPathParameter(repositoryName, Constants.HEAD, blobPath)));
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add(new BookmarkablePageLink<Void>("historyLink", HistoryPage.class,
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WicketUtils.newPathParameter(repositoryName, objectId, blobPath)));
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add(new CommitHeaderPanel("commitHeader", repositoryName, commit));
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add(new PathBreadcrumbsPanel("breadcrumbs", repositoryName, blobPath, objectId));
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String format = GitBlit.getString(Keys.web.datetimestampLongFormat,
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"EEEE, MMMM d, yyyy HH:mm Z");
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final DateFormat df = new SimpleDateFormat(format);
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df.setTimeZone(getTimeZone());
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PathModel pathModel = null;
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List<PathModel> paths = JGitUtils.getFilesInPath(getRepository(), StringUtils.getRootPath(blobPath), commit);
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for (PathModel path : paths) {
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if (path.path.equals(blobPath)) {
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pathModel = path;
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break;
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}
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}
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if (pathModel == null) {
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add(new Label("annotation").setVisible(false));
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add(new Label("missingBlob", missingBlob(blobPath, commit)).setEscapeModelStrings(false));
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return;
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}
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add(new Label("missingBlob").setVisible(false));
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List<AnnotatedLine> lines = DiffUtils.blame(getRepository(), blobPath, objectId);
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ListDataProvider<AnnotatedLine> blameDp = new ListDataProvider<AnnotatedLine>(lines);
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DataView<AnnotatedLine> blameView = new DataView<AnnotatedLine>("annotation", blameDp) {
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private static final long serialVersionUID = 1L;
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private int count;
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private String lastCommitId = "";
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private boolean showInitials = true;
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private String zeroId = ObjectId.zeroId().getName();
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public void populateItem(final Item<AnnotatedLine> item) {
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AnnotatedLine entry = item.getModelObject();
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item.add(new Label("line", "" + entry.lineNumber));
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item.add(new Label("data", StringUtils.escapeForHtml(entry.data, true))
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.setEscapeModelStrings(false));
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if (!lastCommitId.equals(entry.commitId)) {
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lastCommitId = entry.commitId;
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count++;
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if (zeroId.equals(entry.commitId)) {
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// unknown commit
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item.add(new Label("commit", "<?>"));
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showInitials = false;
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} else {
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// show the link for first line
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LinkPanel commitLink = new LinkPanel("commit", null,
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getShortObjectId(entry.commitId), CommitPage.class,
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newCommitParameter(entry.commitId));
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WicketUtils.setHtmlTooltip(commitLink,
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MessageFormat.format("{0}, {1}", entry.author, df.format(entry.when)));
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item.add(commitLink);
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showInitials = true;
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}
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} else {
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if (showInitials) {
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showInitials = false;
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// show author initials
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item.add(new Label("commit", getInitials(entry.author)));
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} else {
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// hide the commit link until the next block
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item.add(new Label("commit").setVisible(false));
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}
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}
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if (count % 2 == 0) {
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WicketUtils.setCssClass(item, "even");
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} else {
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WicketUtils.setCssClass(item, "odd");
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}
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}
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};
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add(blameView);
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}
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private String getInitials(String author) {
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StringBuilder sb = new StringBuilder();
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String[] chunks = author.split(" ");
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for (String chunk : chunks) {
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sb.append(chunk.charAt(0));
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}
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return sb.toString().toUpperCase();
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}
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@Override
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protected String getPageName() {
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return getString("gb.blame");
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}
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@Override
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protected Class<? extends BasePage> getRepoNavPageClass() {
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return TreePage.class;
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}
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protected String missingBlob(String blobPath, RevCommit commit) {
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StringBuilder sb = new StringBuilder();
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sb.append("<div class=\"alert alert-error\">");
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String pattern = getString("gb.doesNotExistInTree").replace("{0}", "<b>{0}</b>").replace("{1}", "<b>{1}</b>");
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sb.append(MessageFormat.format(pattern, blobPath, commit.getTree().getId().getName()));
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sb.append("</div>");
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return sb.toString();
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}
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}
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