Java tutorial
/* * 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.pages; import java.util.List; import org.apache.wicket.AttributeModifier; import org.apache.wicket.Component; import org.apache.wicket.request.mapper.parameter.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.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.Repository; import org.eclipse.jgit.revwalk.RevCommit; import com.gitblit.models.PathModel; import com.gitblit.models.UserModel; import com.gitblit.servlet.RawServlet; import com.gitblit.utils.ByteFormat; import com.gitblit.utils.JGitUtils; import com.gitblit.utils.StringUtils; import com.gitblit.wicket.CacheControl; import com.gitblit.wicket.GitBlitWebSession; import com.gitblit.wicket.CacheControl.LastModified; import com.gitblit.wicket.MarkupProcessor; import com.gitblit.wicket.MarkupProcessor.MarkupDocument; import com.gitblit.wicket.MarkupProcessor.MarkupSyntax; import com.gitblit.wicket.WicketUtils; import com.gitblit.wicket.panels.LinkPanel; @CacheControl(LastModified.REPOSITORY) public class DocsPage extends RepositoryPage { public DocsPage(PageParameters params) { super(params); String objectId = WicketUtils.getObject(params); MarkupProcessor processor = new MarkupProcessor(app().settings(), app().xssFilter()); Repository r = getRepository(); UserModel currentUser = (GitBlitWebSession.get().getUser() != null) ? GitBlitWebSession.get().getUser() : UserModel.ANONYMOUS; final boolean userCanEdit = currentUser.canEdit(getRepositoryModel()); RevCommit head = JGitUtils.getCommit(r, objectId); final String commitId = getBestCommitId(head); List<String> extensions = processor.getAllExtensions(); List<PathModel> paths = JGitUtils.getDocuments(r, extensions); List<MarkupDocument> roots = processor.getRootDocs(r, repositoryName, commitId); Fragment fragment = null; if (roots.isEmpty()) { // no identified root documents fragment = new Fragment("docs", "noIndexFragment", DocsPage.this); setResponsePage(NoDocsPage.class, params); } else { // root documents, use tabbed ui of index/root and document list fragment = new Fragment("docs", "tabsFragment", DocsPage.this); ListDataProvider<MarkupDocument> docDp = new ListDataProvider<MarkupDocument>(roots); // tab titles DataView<MarkupDocument> tabTitles = new DataView<MarkupDocument>("tabTitle", docDp) { private static final long serialVersionUID = 1L; int counter; @Override public void populateItem(final Item<MarkupDocument> item) { MarkupDocument doc = item.getModelObject(); String file = StringUtils.getLastPathElement(doc.documentPath); file = StringUtils.stripFileExtension(file); String name = file.replace('_', ' ').replace('-', ' '); ExternalLink link = new ExternalLink("link", "#" + file); link.add(new Label("label", name.toUpperCase()).setRenderBodyOnly(true)); item.add(link); if (counter == 0) { counter++; item.add(new AttributeModifier("class", "active")); } } }; fragment.add(tabTitles); // tab content DataView<MarkupDocument> tabsView = new DataView<MarkupDocument>("tabContent", docDp) { private static final long serialVersionUID = 1L; int counter; @Override public void populateItem(final Item<MarkupDocument> item) { MarkupDocument doc = item.getModelObject(); item.add(new BookmarkablePageLink<Void>("editLink", EditFilePage.class, WicketUtils.newPathParameter(repositoryName, commitId, doc.documentPath)) .setEnabled(userCanEdit)); // document page links item.add(new BookmarkablePageLink<Void>("blameLink", BlamePage.class, WicketUtils.newPathParameter(repositoryName, commitId, doc.documentPath))); item.add(new BookmarkablePageLink<Void>("historyLink", HistoryPage.class, WicketUtils.newPathParameter(repositoryName, commitId, doc.documentPath))); String rawUrl = RawServlet.asLink(getContextUrl(), repositoryName, commitId, doc.documentPath); item.add(new ExternalLink("rawLink", rawUrl)); // document content String file = StringUtils.getLastPathElement(doc.documentPath); file = StringUtils.stripFileExtension(file); Component content = new Label("content", doc.html).setEscapeModelStrings(false); if (!MarkupSyntax.PLAIN.equals(doc.syntax)) { content.add(new AttributeModifier("class", "markdown")); } item.add(content); item.add(new AttributeModifier("id", file)); if (counter == 0) { counter++; item.add(new AttributeModifier("class", "tab-pane active")); } } }; fragment.add(tabsView); } // document list final ByteFormat byteFormat = new ByteFormat(); Fragment docs = new Fragment("documents", "documentsFragment", DocsPage.this); ListDataProvider<PathModel> pathsDp = new ListDataProvider<PathModel>(paths); DataView<PathModel> pathsView = new DataView<PathModel>("document", pathsDp) { private static final long serialVersionUID = 1L; int counter; @Override public void populateItem(final Item<PathModel> item) { PathModel entry = item.getModelObject(); item.add(WicketUtils.newImage("docIcon", "file_world_16x16.png")); item.add(new Label("docSize", byteFormat.format(entry.size))); item.add(new LinkPanel("docName", "list", StringUtils.stripFileExtension(entry.name), DocPage.class, WicketUtils.newPathParameter(repositoryName, commitId, entry.path))); // links item.add(new BookmarkablePageLink<Void>("view", DocPage.class, WicketUtils.newPathParameter(repositoryName, commitId, entry.path))); item.add(new BookmarkablePageLink<Void>("edit", EditFilePage.class, WicketUtils.newPathParameter(repositoryName, commitId, entry.path)) .setEnabled(userCanEdit)); String rawUrl = RawServlet.asLink(getContextUrl(), repositoryName, commitId, entry.path); item.add(new ExternalLink("raw", rawUrl)); item.add(new BookmarkablePageLink<Void>("blame", BlamePage.class, WicketUtils.newPathParameter(repositoryName, commitId, entry.path))); item.add(new BookmarkablePageLink<Void>("history", HistoryPage.class, WicketUtils.newPathParameter(repositoryName, commitId, entry.path))); WicketUtils.setAlternatingBackground(item, counter); counter++; } }; docs.add(pathsView); fragment.add(docs); add(fragment); } @Override protected String getPageName() { return getString("gb.docs"); } @Override protected boolean isCommitPage() { return true; } }