/*
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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.util.ArrayList;
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import java.util.Arrays;
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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.html.link.ExternalLink;
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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.diff.DiffEntry.ChangeType;
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import org.eclipse.jgit.lib.Repository;
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import org.eclipse.jgit.revwalk.RevCommit;
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import com.gitblit.Constants;
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import com.gitblit.Keys;
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import com.gitblit.models.GitNote;
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import com.gitblit.models.PathModel.PathChangeModel;
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import com.gitblit.models.SubmoduleModel;
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import com.gitblit.servlet.RawServlet;
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import com.gitblit.utils.DiffUtils;
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import com.gitblit.utils.DiffUtils.DiffComparator;
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import com.gitblit.utils.DiffUtils.DiffOutput;
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import com.gitblit.utils.DiffUtils.DiffOutputType;
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import com.gitblit.utils.JGitUtils;
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import com.gitblit.wicket.CacheControl;
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import com.gitblit.wicket.CacheControl.LastModified;
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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.CommitLegendPanel;
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import com.gitblit.wicket.panels.DiffStatPanel;
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import com.gitblit.wicket.panels.AvatarImage;
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import com.gitblit.wicket.panels.LinkPanel;
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import com.gitblit.wicket.panels.RefsPanel;
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@CacheControl(LastModified.BOOT)
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public class CommitDiffPage extends RepositoryPage {
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public CommitDiffPage(PageParameters params) {
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super(params);
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final Repository r = getRepository();
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final RevCommit commit = getCommit();
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final DiffComparator diffComparator = WicketUtils.getDiffComparator(params);
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List<String> parents = new ArrayList<String>();
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if (commit.getParentCount() > 0) {
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for (RevCommit parent : commit.getParents()) {
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parents.add(parent.name());
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}
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}
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// commit page links
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if (parents.size() == 0) {
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add(new Label("parentLink", getString("gb.none")));
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} else {
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add(new LinkPanel("parentLink", null, parents.get(0).substring(0, 8),
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CommitDiffPage.class, newCommitParameter(parents.get(0))));
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}
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add(new BookmarkablePageLink<Void>("patchLink", PatchPage.class,
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WicketUtils.newObjectParameter(repositoryName, objectId)));
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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 LinkPanel("whitespaceLink", null, getString(diffComparator.getOpposite().getTranslationKey()),
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CommitDiffPage.class, WicketUtils.newDiffParameter(repositoryName, objectId, diffComparator.getOpposite())));
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add(new CommitHeaderPanel("commitHeader", repositoryName, commit));
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final List<String> imageExtensions = app().settings().getStrings(Keys.web.imageExtensions);
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final ImageDiffHandler handler = new ImageDiffHandler(this, repositoryName,
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parents.isEmpty() ? null : parents.get(0), commit.getName(), imageExtensions);
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final int tabLength = app().settings().getInteger(Keys.web.tabLength, 4);
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final DiffOutput diff = DiffUtils.getCommitDiff(r, commit, diffComparator, DiffOutputType.HTML, handler, tabLength);
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if (handler.getImgDiffCount() > 0) {
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addBottomScript("scripts/imgdiff.js"); // Tiny support script for image diffs
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}
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// add commit diffstat
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int insertions = 0;
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int deletions = 0;
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for (PathChangeModel pcm : diff.stat.paths) {
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insertions += pcm.insertions;
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deletions += pcm.deletions;
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}
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add(new DiffStatPanel("diffStat", insertions, deletions));
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addFullText("fullMessage", commit.getFullMessage());
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// git notes
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List<GitNote> notes = JGitUtils.getNotesOnCommit(r, commit);
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ListDataProvider<GitNote> notesDp = new ListDataProvider<GitNote>(notes);
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DataView<GitNote> notesView = new DataView<GitNote>("notes", notesDp) {
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private static final long serialVersionUID = 1L;
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@Override
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public void populateItem(final Item<GitNote> item) {
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GitNote entry = item.getModelObject();
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item.add(new RefsPanel("refName", repositoryName, Arrays.asList(entry.notesRef)));
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item.add(createPersonPanel("authorName", entry.notesRef.getAuthorIdent(),
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Constants.SearchType.AUTHOR));
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item.add(new AvatarImage("noteAuthorAvatar", entry.notesRef.getAuthorIdent()));
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item.add(WicketUtils.createTimestampLabel("authorDate", entry.notesRef
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.getAuthorIdent().getWhen(), getTimeZone(), getTimeUtils()));
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item.add(new Label("noteContent", bugtraqProcessor().processPlainCommitMessage(getRepository(), repositoryName,
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entry.content)).setEscapeModelStrings(false));
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}
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};
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add(notesView.setVisible(notes.size() > 0));
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// changed paths list
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add(new CommitLegendPanel("commitLegend", diff.stat.paths));
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ListDataProvider<PathChangeModel> pathsDp = new ListDataProvider<PathChangeModel>(diff.stat.paths);
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DataView<PathChangeModel> pathsView = new DataView<PathChangeModel>("changedPath", pathsDp) {
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private static final long serialVersionUID = 1L;
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int counter;
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@Override
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public void populateItem(final Item<PathChangeModel> item) {
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final PathChangeModel entry = item.getModelObject();
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Label changeType = new Label("changeType", "");
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WicketUtils.setChangeTypeCssClass(changeType, entry.changeType);
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setChangeTypeTooltip(changeType, entry.changeType);
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item.add(changeType);
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item.add(new DiffStatPanel("diffStat", entry.insertions, entry.deletions, true));
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boolean hasSubmodule = false;
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String submodulePath = null;
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if (entry.isTree()) {
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// tree
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item.add(new LinkPanel("pathName", null, entry.path, TreePage.class,
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WicketUtils
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.newPathParameter(repositoryName, entry.commitId, entry.path)));
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} else if (entry.isSubmodule()) {
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// submodule
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String submoduleId = entry.objectId;
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SubmoduleModel submodule = getSubmodule(entry.path);
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submodulePath = submodule.gitblitPath;
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hasSubmodule = submodule.hasSubmodule;
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// add relative link
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item.add(new LinkPanel("pathName", "list", entry.path + " @ " + getShortObjectId(submoduleId), "#n" + entry.objectId));
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} else {
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// add relative link
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item.add(new LinkPanel("pathName", "list", entry.path, "#n" + entry.objectId));
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}
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// quick links
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if (entry.isSubmodule()) {
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item.add(new ExternalLink("raw", "").setEnabled(false));
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// submodule
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item.add(new ExternalLink("patch", "").setEnabled(false));
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item.add(new BookmarkablePageLink<Void>("view", CommitPage.class, WicketUtils
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.newObjectParameter(submodulePath, entry.objectId)).setEnabled(hasSubmodule));
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item.add(new ExternalLink("blame", "").setEnabled(false));
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item.add(new BookmarkablePageLink<Void>("history", HistoryPage.class, WicketUtils
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.newPathParameter(repositoryName, entry.commitId, entry.path))
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.setEnabled(!entry.changeType.equals(ChangeType.ADD)));
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} else {
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// tree or blob
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item.add(new BookmarkablePageLink<Void>("patch", PatchPage.class, WicketUtils
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.newPathParameter(repositoryName, entry.commitId, entry.path))
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.setEnabled(!entry.changeType.equals(ChangeType.ADD)
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&& !entry.changeType.equals(ChangeType.DELETE)));
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item.add(new BookmarkablePageLink<Void>("view", BlobPage.class, WicketUtils
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.newPathParameter(repositoryName, entry.commitId, entry.path))
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.setEnabled(!entry.changeType.equals(ChangeType.DELETE)));
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String rawUrl = RawServlet.asLink(getContextUrl(), repositoryName, entry.commitId, entry.path);
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item.add(new ExternalLink("raw", rawUrl)
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.setEnabled(!entry.changeType.equals(ChangeType.DELETE)));
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item.add(new BookmarkablePageLink<Void>("blame", BlamePage.class, WicketUtils
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.newPathParameter(repositoryName, entry.commitId, entry.path))
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.setEnabled(!entry.changeType.equals(ChangeType.ADD)
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&& !entry.changeType.equals(ChangeType.DELETE)));
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item.add(new BookmarkablePageLink<Void>("history", HistoryPage.class, WicketUtils
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.newPathParameter(repositoryName, entry.commitId, entry.path))
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.setEnabled(!entry.changeType.equals(ChangeType.ADD)));
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}
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WicketUtils.setAlternatingBackground(item, counter);
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counter++;
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}
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};
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add(pathsView);
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add(new Label("diffText", diff.content).setEscapeModelStrings(false));
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}
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@Override
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protected String getPageName() {
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return getString("gb.commitdiff");
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}
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@Override
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protected boolean isCommitPage() {
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return true;
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}
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@Override
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protected Class<? extends BasePage> getRepoNavPageClass() {
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return LogPage.class;
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}
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}
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