Ticket tracker with patchset contributions

James Moger

2013-12-09 5e3521f8496511db4df45f011ea72f25623ad90f

 src/main/java/com/gitblit/wicket/panels/ReflogPanel.java

@@ -1,313 +1,325 @@
/*

 * 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.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;

            boolean isTag = false;

            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 {

               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 {

               // 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 GravatarImage("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 GravatarImage("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;
   }
}