src/main/java/com/gitblit/wicket/panels/ReflogPanel.java - gitblit - Git at Google

 /*
  * Copyright 2013 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.text.DateFormat;
 import java.text.MessageFormat;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.Date;
 import java.util.List;
 import java.util.TimeZone;

 import org.apache.wicket.markup.html.basic.Label;
 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.lib.Repository;
 import org.eclipse.jgit.transport.ReceiveCommand.Type;

 import com.gitblit.Constants;
 import com.gitblit.Keys;
 import com.gitblit.models.RefLogEntry;
 import com.gitblit.models.RepositoryCommit;
 import com.gitblit.models.RepositoryModel;
 import com.gitblit.models.UserModel;
 import com.gitblit.utils.RefLogUtils;
 import com.gitblit.utils.StringUtils;
 import com.gitblit.utils.TimeUtils;
 import com.gitblit.wicket.WicketUtils;
 import com.gitblit.wicket.pages.CommitPage;
 import com.gitblit.wicket.pages.ComparePage;
 import com.gitblit.wicket.pages.ReflogPage;
 import com.gitblit.wicket.pages.TagPage;
 import com.gitblit.wicket.pages.TicketsPage;
 import com.gitblit.wicket.pages.TreePage;
 import com.gitblit.wicket.pages.UserPage;

 public class ReflogPanel extends BasePanel {

 	private static final long serialVersionUID = 1L;

 	private final boolean hasChanges;

 	private boolean hasMore;

 	public ReflogPanel(String wicketId, final RepositoryModel model, Repository r, int limit, int pageOffset) {
 		super(wicketId);
 		boolean pageResults = limit <= 0;
 		int changesPerPage = app().settings().getInteger(Keys.web.reflogChangesPerPage, 10);
 		if (changesPerPage <= 1) {
 			changesPerPage = 10;
 		}

 		List<RefLogEntry> changes;
 		if (pageResults) {
 			changes = RefLogUtils.getLogByRef(model.name, r, pageOffset * changesPerPage, changesPerPage);
 		} else {
 			changes = RefLogUtils.getLogByRef(model.name, r, limit);
 		}

 		// inaccurate way to determine if there are more commits.
 		// works unless commits.size() represents the exact end.
 		hasMore = changes.size() >= changesPerPage;
 		hasChanges = changes.size() > 0;

 		setup(changes);

 		// determine to show pager, more, or neither
 		if (limit <= 0) {
 			// no display limit
 			add(new Label("moreChanges").setVisible(false));
 		} else {
 			if (pageResults) {
 				// paging
 				add(new Label("moreChanges").setVisible(false));
 			} else {
 				// more
 				if (changes.size() == limit) {
 					// show more
 					add(new LinkPanel("moreChanges", "link", new StringResourceModel("gb.moreChanges",
 							this, null), ReflogPage.class,
 							WicketUtils.newRepositoryParameter(model.name)));
 				} else {
 					// no more
 					add(new Label("moreChanges").setVisible(false));
 				}
 			}
 		}
 	}

 	public ReflogPanel(String wicketId, List<RefLogEntry> changes) {
 		super(wicketId);
 		hasChanges = changes.size() > 0;
 		setup(changes);
 		add(new Label("moreChanges").setVisible(false));
 	}

 	protected void setup(List<RefLogEntry> changes) {

 		ListDataProvider<RefLogEntry> dp = new ListDataProvider<RefLogEntry>(changes);
 		DataView<RefLogEntry> changeView = new DataView<RefLogEntry>("change", dp) {
 			private static final long serialVersionUID = 1L;

 			@Override
 			public void populateItem(final Item<RefLogEntry> changeItem) {
 				final RefLogEntry change = changeItem.getModelObject();

 				String dateFormat = app().settings().getString(Keys.web.datetimestampLongFormat, "EEEE, MMMM d, yyyy HH:mm Z");
 				TimeZone timezone = getTimeZone();
 				DateFormat df = new SimpleDateFormat(dateFormat);
 				df.setTimeZone(timezone);
 				Calendar cal = Calendar.getInstance(timezone);

 				String fullRefName = change.getChangedRefs().get(0);
 				String shortRefName = fullRefName;
 				String ticketId = null;
 				boolean isTag = false;
 				boolean isTicket = false;
 				if (shortRefName.startsWith(Constants.R_TICKET)) {
 					ticketId = fullRefName.substring(Constants.R_TICKET.length());
 					shortRefName = MessageFormat.format(getString("gb.ticketN"), ticketId);
 					isTicket = true;
 				} else if (shortRefName.startsWith(Constants.R_HEADS)) {
 					shortRefName = shortRefName.substring(Constants.R_HEADS.length());
 				} else if (shortRefName.startsWith(Constants.R_TAGS)) {
 					shortRefName = shortRefName.substring(Constants.R_TAGS.length());
 					isTag = true;
 				}

 				String fuzzydate;
 				TimeUtils tu = getTimeUtils();
 				Date changeDate = change.date;
 				if (TimeUtils.isToday(changeDate, timezone)) {
 					fuzzydate = tu.today();
 				} else if (TimeUtils.isYesterday(changeDate, timezone)) {
 					fuzzydate = tu.yesterday();
 				} else {
 					// calculate a fuzzy time ago date
                 	cal.setTime(changeDate);
                 	cal.set(Calendar.HOUR_OF_DAY, 0);
                 	cal.set(Calendar.MINUTE, 0);
                 	cal.set(Calendar.SECOND, 0);
                 	cal.set(Calendar.MILLISECOND, 0);
                 	Date date = cal.getTime();
 					fuzzydate = getTimeUtils().timeAgo(date);
 				}
 				changeItem.add(new Label("whenChanged", fuzzydate + ", " + df.format(changeDate)));

 				Label changeIcon = new Label("changeIcon");
 				if (Type.DELETE.equals(change.getChangeType(fullRefName))) {
 					WicketUtils.setCssClass(changeIcon, "iconic-trash-stroke");
 				} else if (isTag) {
 					WicketUtils.setCssClass(changeIcon, "iconic-tag");
 				} else if (isTicket) {
 					WicketUtils.setCssClass(changeIcon, "fa fa-ticket");
 				} else {
 					WicketUtils.setCssClass(changeIcon, "iconic-upload");
 				}
 				changeItem.add(changeIcon);

 				if (change.user.username.equals(change.user.emailAddress) && change.user.emailAddress.indexOf('@') > -1) {
 					// username is an email address - 1.2.1 push log bug
 					changeItem.add(new Label("whoChanged", change.user.getDisplayName()));
 				} else if (change.user.username.equals(UserModel.ANONYMOUS.username)) {
 					// anonymous change
 					changeItem.add(new Label("whoChanged", getString("gb.anonymousUser")));
 				} else {
 					// link to user account page
 					changeItem.add(new LinkPanel("whoChanged", null, change.user.getDisplayName(),
 							UserPage.class, WicketUtils.newUsernameParameter(change.user.username)));
 				}

 				boolean isDelete = false;
 				boolean isRewind = false;
 				String what;
 				String by = null;
 				switch(change.getChangeType(fullRefName)) {
 				case CREATE:
 					if (isTag) {
 						// new tag
 						what = getString("gb.pushedNewTag");
 					} else {
 						// new branch
 						what = getString("gb.pushedNewBranch");
 					}
 					break;
 				case DELETE:
 					isDelete = true;
 					if (isTag) {
 						what = getString("gb.deletedTag");
 					} else {
 						what = getString("gb.deletedBranch");
 					}
 					break;
 				case UPDATE_NONFASTFORWARD:
 					isRewind = true;
 				default:
 					what = MessageFormat.format(change.getCommitCount() > 1 ? getString("gb.pushedNCommitsTo") : getString("gb.pushedOneCommitTo"), change.getCommitCount());

 					if (change.getAuthorCount() == 1) {
 						by = MessageFormat.format(getString("gb.byOneAuthor"), change.getAuthorIdent().getName());
 					} else {
 						by = MessageFormat.format(getString("gb.byNAuthors"), change.getAuthorCount());
 					}
 					break;
 				}
 				changeItem.add(new Label("whatChanged", what));
 				changeItem.add(new Label("byAuthors", by).setVisible(!StringUtils.isEmpty(by)));
 				changeItem.add(new Label("refRewind", getString("gb.rewind")).setVisible(isRewind));

 				if (isDelete) {
 					// can't link to deleted ref
 					changeItem.add(new Label("refChanged", shortRefName));
 				} else if (isTag) {
 					// link to tag
 					changeItem.add(new LinkPanel("refChanged", null, shortRefName,
 							TagPage.class, WicketUtils.newObjectParameter(change.repository, fullRefName)));
 				} else if (isTicket) {
 					// link to ticket
 					changeItem.add(new LinkPanel("refChanged", null, shortRefName,
 							TicketsPage.class, WicketUtils.newObjectParameter(change.repository, ticketId)));
 				} else {
 					// link to tree
 					changeItem.add(new LinkPanel("refChanged", null, shortRefName,
 						TreePage.class, WicketUtils.newObjectParameter(change.repository, fullRefName)));
 				}

 				int maxCommitCount = 5;
 				List<RepositoryCommit> commits = change.getCommits();
 				if (commits.size() > maxCommitCount) {
 					commits = new ArrayList<RepositoryCommit>(commits.subList(0,  maxCommitCount));
 				}

 				// compare link
 				String compareLinkText = null;
 				if ((change.getCommitCount() <= maxCommitCount) && (change.getCommitCount() > 1)) {
 					compareLinkText = MessageFormat.format(getString("gb.viewComparison"), commits.size());
 				} else if (change.getCommitCount() > maxCommitCount) {
 					int diff = change.getCommitCount() - maxCommitCount;
 					compareLinkText = MessageFormat.format(diff > 1 ? getString("gb.nMoreCommits") : getString("gb.oneMoreCommit"), diff);
 				}
 				if (StringUtils.isEmpty(compareLinkText)) {
 					changeItem.add(new Label("compareLink").setVisible(false));
 				} else {
 					String endRangeId = change.getNewId(fullRefName);
 					String startRangeId = change.getOldId(fullRefName);
 					changeItem.add(new LinkPanel("compareLink", null, compareLinkText, ComparePage.class, WicketUtils.newRangeParameter(change.repository, startRangeId, endRangeId)));
 				}

 				ListDataProvider<RepositoryCommit> cdp = new ListDataProvider<RepositoryCommit>(commits);
 				DataView<RepositoryCommit> commitsView = new DataView<RepositoryCommit>("commit", cdp) {
 					private static final long serialVersionUID = 1L;

 					@Override
 					public void populateItem(final Item<RepositoryCommit> commitItem) {
 						final RepositoryCommit commit = commitItem.getModelObject();

 						// author gravatar
 						commitItem.add(new AvatarImage("commitAuthor", commit.getAuthorIdent(), null, 16, false));

 						// merge icon
 						if (commit.getParentCount() > 1) {
 							commitItem.add(WicketUtils.newImage("commitIcon", "commit_merge_16x16.png"));
 						} else {
 							commitItem.add(WicketUtils.newBlankImage("commitIcon"));
 						}

 						// short message
 						String shortMessage = commit.getShortMessage();
 						String trimmedMessage = shortMessage;
 						if (commit.getRefs() != null && commit.getRefs().size() > 0) {
 							trimmedMessage = StringUtils.trimString(shortMessage, Constants.LEN_SHORTLOG_REFS);
 						} else {
 							trimmedMessage = StringUtils.trimString(shortMessage, Constants.LEN_SHORTLOG);
 						}
 						LinkPanel shortlog = new LinkPanel("commitShortMessage", "list",
 								trimmedMessage, CommitPage.class, WicketUtils.newObjectParameter(
 										change.repository, commit.getName()));
 						if (!shortMessage.equals(trimmedMessage)) {
 							WicketUtils.setHtmlTooltip(shortlog, shortMessage);
 						}
 						commitItem.add(shortlog);

 						// commit hash link
 						int hashLen = app().settings().getInteger(Keys.web.shortCommitIdLength, 6);
 						LinkPanel commitHash = new LinkPanel("hashLink", null, commit.getName().substring(0, hashLen),
 								CommitPage.class, WicketUtils.newObjectParameter(
 										change.repository, commit.getName()));
 						WicketUtils.setCssClass(commitHash, "shortsha1");
 						WicketUtils.setHtmlTooltip(commitHash, commit.getName());
 						commitItem.add(commitHash);
 					}
 				};

 				changeItem.add(commitsView);
 			}
 		};

 		add(changeView);
 	}

 	public boolean hasMore() {
 		return hasMore;
 	}

 	public boolean hideIfEmpty() {
 		setVisible(hasChanges);
 		return hasChanges;
 	}
 }
	/*
	* Copyright 2013 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.text.DateFormat;
	import java.text.MessageFormat;
	import java.text.SimpleDateFormat;
	import java.util.ArrayList;
	import java.util.Calendar;
	import java.util.Date;
	import java.util.List;
	import java.util.TimeZone;

	import org.apache.wicket.markup.html.basic.Label;
	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.lib.Repository;
	import org.eclipse.jgit.transport.ReceiveCommand.Type;

	import com.gitblit.Constants;
	import com.gitblit.Keys;
	import com.gitblit.models.RefLogEntry;
	import com.gitblit.models.RepositoryCommit;
	import com.gitblit.models.RepositoryModel;
	import com.gitblit.models.UserModel;
	import com.gitblit.utils.RefLogUtils;
	import com.gitblit.utils.StringUtils;
	import com.gitblit.utils.TimeUtils;
	import com.gitblit.wicket.WicketUtils;
	import com.gitblit.wicket.pages.CommitPage;
	import com.gitblit.wicket.pages.ComparePage;
	import com.gitblit.wicket.pages.ReflogPage;
	import com.gitblit.wicket.pages.TagPage;
	import com.gitblit.wicket.pages.TicketsPage;
	import com.gitblit.wicket.pages.TreePage;
	import com.gitblit.wicket.pages.UserPage;

	public class ReflogPanel extends BasePanel {

	private static final long serialVersionUID = 1L;

	private final boolean hasChanges;

	private boolean hasMore;

	public ReflogPanel(String wicketId, final RepositoryModel model, Repository r, int limit, int pageOffset) {
	super(wicketId);
	boolean pageResults = limit <= 0;
	int changesPerPage = app().settings().getInteger(Keys.web.reflogChangesPerPage, 10);
	if (changesPerPage <= 1) {
	changesPerPage = 10;
	}

	List<RefLogEntry> changes;
	if (pageResults) {
	changes = RefLogUtils.getLogByRef(model.name, r, pageOffset * changesPerPage, changesPerPage);
	} else {
	changes = RefLogUtils.getLogByRef(model.name, r, limit);
	}

	// inaccurate way to determine if there are more commits.
	// works unless commits.size() represents the exact end.
	hasMore = changes.size() >= changesPerPage;
	hasChanges = changes.size() > 0;

	setup(changes);

	// determine to show pager, more, or neither
	if (limit <= 0) {
	// no display limit
	add(new Label("moreChanges").setVisible(false));
	} else {
	if (pageResults) {
	// paging
	add(new Label("moreChanges").setVisible(false));
	} else {
	// more
	if (changes.size() == limit) {
	// show more
	add(new LinkPanel("moreChanges", "link", new StringResourceModel("gb.moreChanges",
	this, null), ReflogPage.class,
	WicketUtils.newRepositoryParameter(model.name)));
	} else {
	// no more
	add(new Label("moreChanges").setVisible(false));
	}
	}
	}
	}

	public ReflogPanel(String wicketId, List<RefLogEntry> changes) {
	super(wicketId);
	hasChanges = changes.size() > 0;
	setup(changes);
	add(new Label("moreChanges").setVisible(false));
	}

	protected void setup(List<RefLogEntry> changes) {

	ListDataProvider<RefLogEntry> dp = new ListDataProvider<RefLogEntry>(changes);
	DataView<RefLogEntry> changeView = new DataView<RefLogEntry>("change", dp) {
	private static final long serialVersionUID = 1L;

	@Override
	public void populateItem(final Item<RefLogEntry> changeItem) {
	final RefLogEntry change = changeItem.getModelObject();

	String dateFormat = app().settings().getString(Keys.web.datetimestampLongFormat, "EEEE, MMMM d, yyyy HH:mm Z");
	TimeZone timezone = getTimeZone();
	DateFormat df = new SimpleDateFormat(dateFormat);
	df.setTimeZone(timezone);
	Calendar cal = Calendar.getInstance(timezone);

	String fullRefName = change.getChangedRefs().get(0);
	String shortRefName = fullRefName;
	String ticketId = null;
	boolean isTag = false;
	boolean isTicket = false;
	if (shortRefName.startsWith(Constants.R_TICKET)) {
	ticketId = fullRefName.substring(Constants.R_TICKET.length());
	shortRefName = MessageFormat.format(getString("gb.ticketN"), ticketId);
	isTicket = true;
	} else if (shortRefName.startsWith(Constants.R_HEADS)) {
	shortRefName = shortRefName.substring(Constants.R_HEADS.length());
	} else if (shortRefName.startsWith(Constants.R_TAGS)) {
	shortRefName = shortRefName.substring(Constants.R_TAGS.length());
	isTag = true;
	}

	String fuzzydate;
	TimeUtils tu = getTimeUtils();
	Date changeDate = change.date;
	if (TimeUtils.isToday(changeDate, timezone)) {
	fuzzydate = tu.today();
	} else if (TimeUtils.isYesterday(changeDate, timezone)) {
	fuzzydate = tu.yesterday();
	} else {
	// calculate a fuzzy time ago date
	cal.setTime(changeDate);
	cal.set(Calendar.HOUR_OF_DAY, 0);
	cal.set(Calendar.MINUTE, 0);
	cal.set(Calendar.SECOND, 0);
	cal.set(Calendar.MILLISECOND, 0);
	Date date = cal.getTime();
	fuzzydate = getTimeUtils().timeAgo(date);
	}
	changeItem.add(new Label("whenChanged", fuzzydate + ", " + df.format(changeDate)));

	Label changeIcon = new Label("changeIcon");
	if (Type.DELETE.equals(change.getChangeType(fullRefName))) {
	WicketUtils.setCssClass(changeIcon, "iconic-trash-stroke");
	} else if (isTag) {
	WicketUtils.setCssClass(changeIcon, "iconic-tag");
	} else if (isTicket) {
	WicketUtils.setCssClass(changeIcon, "fa fa-ticket");
	} else {
	WicketUtils.setCssClass(changeIcon, "iconic-upload");
	}
	changeItem.add(changeIcon);

	if (change.user.username.equals(change.user.emailAddress) && change.user.emailAddress.indexOf('@') > -1) {
	// username is an email address - 1.2.1 push log bug
	changeItem.add(new Label("whoChanged", change.user.getDisplayName()));
	} else if (change.user.username.equals(UserModel.ANONYMOUS.username)) {
	// anonymous change
	changeItem.add(new Label("whoChanged", getString("gb.anonymousUser")));
	} else {
	// link to user account page
	changeItem.add(new LinkPanel("whoChanged", null, change.user.getDisplayName(),
	UserPage.class, WicketUtils.newUsernameParameter(change.user.username)));
	}

	boolean isDelete = false;
	boolean isRewind = false;
	String what;
	String by = null;
	switch(change.getChangeType(fullRefName)) {
	case CREATE:
	if (isTag) {
	// new tag
	what = getString("gb.pushedNewTag");
	} else {
	// new branch
	what = getString("gb.pushedNewBranch");
	}
	break;
	case DELETE:
	isDelete = true;
	if (isTag) {
	what = getString("gb.deletedTag");
	} else {
	what = getString("gb.deletedBranch");
	}
	break;
	case UPDATE_NONFASTFORWARD:
	isRewind = true;
	default:
	what = MessageFormat.format(change.getCommitCount() > 1 ? getString("gb.pushedNCommitsTo") : getString("gb.pushedOneCommitTo"), change.getCommitCount());

	if (change.getAuthorCount() == 1) {
	by = MessageFormat.format(getString("gb.byOneAuthor"), change.getAuthorIdent().getName());
	} else {
	by = MessageFormat.format(getString("gb.byNAuthors"), change.getAuthorCount());
	}
	break;
	}
	changeItem.add(new Label("whatChanged", what));
	changeItem.add(new Label("byAuthors", by).setVisible(!StringUtils.isEmpty(by)));
	changeItem.add(new Label("refRewind", getString("gb.rewind")).setVisible(isRewind));

	if (isDelete) {
	// can't link to deleted ref
	changeItem.add(new Label("refChanged", shortRefName));
	} else if (isTag) {
	// link to tag
	changeItem.add(new LinkPanel("refChanged", null, shortRefName,
	TagPage.class, WicketUtils.newObjectParameter(change.repository, fullRefName)));
	} else if (isTicket) {
	// link to ticket
	changeItem.add(new LinkPanel("refChanged", null, shortRefName,
	TicketsPage.class, WicketUtils.newObjectParameter(change.repository, ticketId)));
	} else {
	// link to tree
	changeItem.add(new LinkPanel("refChanged", null, shortRefName,
	TreePage.class, WicketUtils.newObjectParameter(change.repository, fullRefName)));
	}

	int maxCommitCount = 5;
	List<RepositoryCommit> commits = change.getCommits();
	if (commits.size() > maxCommitCount) {
	commits = new ArrayList<RepositoryCommit>(commits.subList(0, maxCommitCount));
	}

	// compare link
	String compareLinkText = null;
	if ((change.getCommitCount() <= maxCommitCount) && (change.getCommitCount() > 1)) {
	compareLinkText = MessageFormat.format(getString("gb.viewComparison"), commits.size());
	} else if (change.getCommitCount() > maxCommitCount) {
	int diff = change.getCommitCount() - maxCommitCount;
	compareLinkText = MessageFormat.format(diff > 1 ? getString("gb.nMoreCommits") : getString("gb.oneMoreCommit"), diff);
	}
	if (StringUtils.isEmpty(compareLinkText)) {
	changeItem.add(new Label("compareLink").setVisible(false));
	} else {
	String endRangeId = change.getNewId(fullRefName);
	String startRangeId = change.getOldId(fullRefName);
	changeItem.add(new LinkPanel("compareLink", null, compareLinkText, ComparePage.class, WicketUtils.newRangeParameter(change.repository, startRangeId, endRangeId)));
	}

	ListDataProvider<RepositoryCommit> cdp = new ListDataProvider<RepositoryCommit>(commits);
	DataView<RepositoryCommit> commitsView = new DataView<RepositoryCommit>("commit", cdp) {
	private static final long serialVersionUID = 1L;

	@Override
	public void populateItem(final Item<RepositoryCommit> commitItem) {
	final RepositoryCommit commit = commitItem.getModelObject();

	// author gravatar
	commitItem.add(new AvatarImage("commitAuthor", commit.getAuthorIdent(), null, 16, false));

	// merge icon
	if (commit.getParentCount() > 1) {
	commitItem.add(WicketUtils.newImage("commitIcon", "commit_merge_16x16.png"));
	} else {
	commitItem.add(WicketUtils.newBlankImage("commitIcon"));
	}

	// short message
	String shortMessage = commit.getShortMessage();
	String trimmedMessage = shortMessage;
	if (commit.getRefs() != null && commit.getRefs().size() > 0) {
	trimmedMessage = StringUtils.trimString(shortMessage, Constants.LEN_SHORTLOG_REFS);
	} else {
	trimmedMessage = StringUtils.trimString(shortMessage, Constants.LEN_SHORTLOG);
	}
	LinkPanel shortlog = new LinkPanel("commitShortMessage", "list",
	trimmedMessage, CommitPage.class, WicketUtils.newObjectParameter(
	change.repository, commit.getName()));
	if (!shortMessage.equals(trimmedMessage)) {
	WicketUtils.setHtmlTooltip(shortlog, shortMessage);
	}
	commitItem.add(shortlog);

	// commit hash link
	int hashLen = app().settings().getInteger(Keys.web.shortCommitIdLength, 6);
	LinkPanel commitHash = new LinkPanel("hashLink", null, commit.getName().substring(0, hashLen),
	CommitPage.class, WicketUtils.newObjectParameter(
	change.repository, commit.getName()));
	WicketUtils.setCssClass(commitHash, "shortsha1");
	WicketUtils.setHtmlTooltip(commitHash, commit.getName());
	commitItem.add(commitHash);
	}
	};

	changeItem.add(commitsView);
	}
	};

	add(changeView);
	}

	public boolean hasMore() {
	return hasMore;
	}

	public boolean hideIfEmpty() {
	setVisible(hasChanges);
	return hasChanges;
	}
	}