From f66e89662c091e082bd1d2feb6ac91513ccff273 Mon Sep 17 00:00:00 2001
From: Rafael Cavazin <rafaelcavazin@gmail.com>
Date: Sun, 21 Jul 2013 09:59:00 -0400
Subject: [PATCH] Merge branch 'master' of https://github.com/gitblit/gitblit

---
 src/main/java/com/gitblit/wicket/panels/ReflogPanel.java |  309 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 309 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/gitblit/wicket/panels/ReflogPanel.java b/src/main/java/com/gitblit/wicket/panels/ReflogPanel.java
new file mode 100644
index 0000000..55c19cc
--- /dev/null
+++ b/src/main/java/com/gitblit/wicket/panels/ReflogPanel.java
@@ -0,0 +1,309 @@
+/*
+ * 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 com.gitblit.Constants;
+import com.gitblit.GitBlit;
+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 = GitBlit.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) {
+		final int hashLen = GitBlit.getInteger(Keys.web.shortCommitIdLength, 6);
+
+		String dateFormat = GitBlit.getString(Keys.web.datetimestampLongFormat, "EEEE, MMMM d, yyyy HH:mm Z");
+		final TimeZone timezone = getTimeZone();
+		final DateFormat df = new SimpleDateFormat(dateFormat);
+		df.setTimeZone(timezone);
+		final Calendar cal = Calendar.getInstance(timezone);
+		
+		ListDataProvider<RefLogEntry> dp = new ListDataProvider<RefLogEntry>(changes);
+		DataView<RefLogEntry> changeView = new DataView<RefLogEntry>("change", dp) {
+			private static final long serialVersionUID = 1L;
+
+			public void populateItem(final Item<RefLogEntry> changeItem) {
+				final RefLogEntry change = changeItem.getModelObject();
+				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);
+                	changeDate = cal.getTime();
+					fuzzydate = getTimeUtils().timeAgo(changeDate);
+				}
+				changeItem.add(new Label("whenChanged", fuzzydate + ", " + df.format(changeDate)));
+
+				Label changeIcon = new Label("changeIcon");
+				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;
+
+					public void populateItem(final Item<RepositoryCommit> commitItem) {
+						final RepositoryCommit commit = commitItem.getModelObject();
+
+						// author gravatar
+						commitItem.add(new GravatarImage("commitAuthor", commit.getAuthorIdent().getName(),
+								commit.getAuthorIdent().getEmailAddress(), null, 16, false, 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
+						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;
+	}
+}

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