Paul Martin
2016-04-06 5bb79fbb553a11e6582392f658233cf58a4ceb11
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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.pages;
 
import java.io.OutputStream;
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.request.target.resource.ResourceStreamRequestTarget;
import org.apache.wicket.util.resource.AbstractResourceStreamWriter;
import org.apache.wicket.util.resource.IResourceStream;
import org.eclipse.jgit.lib.FileMode;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
 
import com.gitblit.models.PathModel;
import com.gitblit.models.SubmoduleModel;
import com.gitblit.models.UserModel;
import com.gitblit.servlet.RawServlet;
import com.gitblit.utils.ByteFormat;
import com.gitblit.utils.JGitUtils;
import com.gitblit.wicket.CacheControl;
import com.gitblit.wicket.GitBlitWebSession;
import com.gitblit.wicket.CacheControl.LastModified;
import com.gitblit.wicket.WicketUtils;
import com.gitblit.wicket.panels.CommitHeaderPanel;
import com.gitblit.wicket.panels.CompressedDownloadsPanel;
import com.gitblit.wicket.panels.LinkPanel;
import com.gitblit.wicket.panels.PathBreadcrumbsPanel;
 
@CacheControl(LastModified.BOOT)
public class TreePage extends RepositoryPage {
 
    public TreePage(PageParameters params) {
        super(params);
 
        final String path = WicketUtils.getPath(params);
 
        Repository r = getRepository();
        RevCommit commit = getCommit();
        List<PathModel> paths = JGitUtils.getFilesInPath2(r, path, commit);
 
        // tree page links
        add(new BookmarkablePageLink<Void>("historyLink", HistoryPage.class,
                WicketUtils.newPathParameter(repositoryName, objectId, path)));
        add(new CompressedDownloadsPanel("compressedLinks", getRequest()
                .getRelativePathPrefixToContextRoot(), repositoryName, objectId, path));
 
        add(new CommitHeaderPanel("commitHeader", repositoryName, commit));
 
        // breadcrumbs
        add(new PathBreadcrumbsPanel("breadcrumbs", repositoryName, path, objectId));
        if (path != null && path.trim().length() > 0) {
            // add .. parent path entry
            String parentPath = null;
            if (path.lastIndexOf('/') > -1) {
                parentPath = path.substring(0, path.lastIndexOf('/'));
            }
            PathModel model = new PathModel("..", parentPath, null, 0, FileMode.TREE.getBits(), null, objectId);
            model.isParentPath = true;
            paths.add(0, model);
        }
 
        final String id = getBestCommitId(commit);
        
        final ByteFormat byteFormat = new ByteFormat();
        final String baseUrl = WicketUtils.getGitblitURL(getRequest());
 
        // changed paths list
        ListDataProvider<PathModel> pathsDp = new ListDataProvider<PathModel>(paths);
        DataView<PathModel> pathsView = new DataView<PathModel>("changedPath", pathsDp) {
            private static final long serialVersionUID = 1L;
            int counter;
 
            @Override
            public void populateItem(final Item<PathModel> item) {
                final PathModel entry = item.getModelObject();
                
                item.add(new Label("pathPermissions", JGitUtils.getPermissionsFromMode(entry.mode)));
                item.add(WicketUtils.setHtmlTooltip(new Label("filestore", ""), getString("gb.filestore"))
                                    .setVisible(entry.isFilestoreItem()));
 
                if (entry.isParentPath) {
                    // parent .. path
                    item.add(WicketUtils.newBlankImage("pathIcon"));
                    item.add(new Label("pathSize", ""));
                    item.add(new LinkPanel("pathName", null, entry.name, TreePage.class,
                            WicketUtils.newPathParameter(repositoryName, id, entry.path)));
                    item.add(new Label("pathLinks", ""));
                } else {
                    if (entry.isTree()) {
                        // folder/tree link
                        item.add(WicketUtils.newImage("pathIcon", "folder_16x16.png"));
                        item.add(new Label("pathSize", ""));
                        item.add(new LinkPanel("pathName", "list", entry.name, TreePage.class,
                                WicketUtils.newPathParameter(repositoryName, id,
                                        entry.path)));
 
                        // links
                        Fragment links = new Fragment("pathLinks", "treeLinks", this);
                        links.add(new BookmarkablePageLink<Void>("tree", TreePage.class,
                                WicketUtils.newPathParameter(repositoryName, id,
                                        entry.path)));
                        links.add(new BookmarkablePageLink<Void>("history", HistoryPage.class,
                                WicketUtils.newPathParameter(repositoryName, id,
                                        entry.path)));
                        links.add(new CompressedDownloadsPanel("compressedLinks", baseUrl,
                                repositoryName, objectId, entry.path));
 
                        item.add(links);
                    } else if (entry.isSubmodule()) {
                        // submodule
                        String submoduleId = entry.objectId;
                        String submodulePath;
                        boolean hasSubmodule = false;
                        SubmoduleModel submodule = getSubmodule(entry.path);
                        submodulePath = submodule.gitblitPath;
                        hasSubmodule = submodule.hasSubmodule;
 
                        item.add(WicketUtils.newImage("pathIcon", "git-orange-16x16.png"));
                        item.add(new Label("pathSize", ""));
                        item.add(new LinkPanel("pathName", "list", entry.name + " @ " +
                                getShortObjectId(submoduleId), TreePage.class,
                                WicketUtils.newPathParameter(submodulePath, submoduleId, "")).setEnabled(hasSubmodule));
 
                        Fragment links = new Fragment("pathLinks", "submoduleLinks", this);
                        links.add(new BookmarkablePageLink<Void>("view", SummaryPage.class,
                                WicketUtils.newRepositoryParameter(submodulePath)).setEnabled(hasSubmodule));
                        links.add(new BookmarkablePageLink<Void>("tree", TreePage.class,
                                WicketUtils.newPathParameter(submodulePath, submoduleId,
                                        "")).setEnabled(hasSubmodule));
                        links.add(new BookmarkablePageLink<Void>("history", HistoryPage.class,
                                WicketUtils.newPathParameter(repositoryName, id,
                                        entry.path)));
                        links.add(new CompressedDownloadsPanel("compressedLinks", baseUrl,
                                submodulePath, submoduleId, "").setEnabled(hasSubmodule));
                        item.add(links);
                    } else {
                        // blob link
                        String displayPath = entry.name;
                        String path = entry.path;
                        if (entry.isSymlink()) {
                            path = JGitUtils.getStringContent(getRepository(), getCommit().getTree(), path);
                            displayPath = entry.name + " -> " + path;
                        }
                        item.add(WicketUtils.getFileImage("pathIcon", entry.name));
                        item.add(new Label("pathSize", byteFormat.format(entry.size)));
                        
                        // links
                        Fragment links = new Fragment("pathLinks", "blobLinks", this);
                        
                        if (entry.isFilestoreItem()) {
                            item.add(new LinkPanel("pathName", "list", displayPath, new Link<Object>("link", null) {
                                 
                                private static final long serialVersionUID = 1L;
 
                                @Override
                                public void onClick() {
                             
                                     IResourceStream resourceStream = new AbstractResourceStreamWriter() {
                                                                                 
                                        private static final long serialVersionUID = 1L;
 
                                        @Override 
                                          public void write(OutputStream output) {
                                                UserModel user =  GitBlitWebSession.get().getUser();
                                             user = user == null ? UserModel.ANONYMOUS : user;
                                                
                                            app().filestore().downloadBlob(entry.getFilestoreOid(), user, getRepositoryModel(), output);
                                          }
                                      };
                                          
                                    
                                    getRequestCycle().setRequestTarget(new ResourceStreamRequestTarget(resourceStream, entry.path));
                                }}));
                            
                            links.add(new Link<Object>("view", null) {
                                 
                                private static final long serialVersionUID = 1L;
 
                                @Override
                                public void onClick() {
                             
                                     IResourceStream resourceStream = new AbstractResourceStreamWriter() {
                                                                                 
                                        private static final long serialVersionUID = 1L;
 
                                        @Override 
                                          public void write(OutputStream output) {
                                                UserModel user =  GitBlitWebSession.get().getUser();
                                             user = user == null ? UserModel.ANONYMOUS : user;
                                                
                                            app().filestore().downloadBlob(entry.getFilestoreOid(), user, getRepositoryModel(), output);
                                          }
                                      };
                                          
                                    
                                    getRequestCycle().setRequestTarget(new ResourceStreamRequestTarget(resourceStream, entry.path));
                                }});
                            
                            links.add(new Link<Object>("raw", null) {
                                 
                                private static final long serialVersionUID = 1L;
 
                                @Override
                                public void onClick() {
                             
                                     IResourceStream resourceStream = new AbstractResourceStreamWriter() {
                                                                                 
                                        private static final long serialVersionUID = 1L;
 
                                        @Override 
                                          public void write(OutputStream output) {
                                                UserModel user =  GitBlitWebSession.get().getUser();
                                             user = user == null ? UserModel.ANONYMOUS : user;
                                                
                                            app().filestore().downloadBlob(entry.getFilestoreOid(), user, getRepositoryModel(), output);
                                          }
                                      };
                                          
                                    
                                    getRequestCycle().setRequestTarget(new ResourceStreamRequestTarget(resourceStream, entry.path));
                                }});
                            
                        } else {
                            item.add(new LinkPanel("pathName", "list", displayPath, BlobPage.class,
                                    WicketUtils.newPathParameter(repositoryName, id,
                                            path)));
                            
                            links.add(new BookmarkablePageLink<Void>("view", BlobPage.class,
                                    WicketUtils.newPathParameter(repositoryName, id,
                                            path)));
                            String rawUrl = RawServlet.asLink(getContextUrl(), repositoryName, id, path);
                            links.add(new ExternalLink("raw", rawUrl));
                        }
                        
                        links.add(new BookmarkablePageLink<Void>("blame", BlamePage.class,
                                WicketUtils.newPathParameter(repositoryName, id,
                                        path)));
                        links.add(new BookmarkablePageLink<Void>("history", HistoryPage.class,
                                WicketUtils.newPathParameter(repositoryName, id,
                                        path)));
                        item.add(links);
                    }
                }
                WicketUtils.setAlternatingBackground(item, counter);
                counter++;
            }
        };
        add(pathsView);
    }
 
    @Override
    protected String getPageName() {
        return getString("gb.tree");
    }
 
    @Override
    protected boolean isCommitPage() {
        return true;
    }
 
}