From 87c3d714693b216cee9c31cdc5170715c56f541d Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Wed, 06 Apr 2011 09:27:14 -0400
Subject: [PATCH] Mostly working Diff presentation.

---
 src/com/gitblit/wicket/pages/SummaryPage.java |  158 ++++++++++++++++++++++++++++++++++++++++++++--------
 1 files changed, 134 insertions(+), 24 deletions(-)

diff --git a/src/com/gitblit/wicket/pages/SummaryPage.java b/src/com/gitblit/wicket/pages/SummaryPage.java
index 84e78b4..b7be71a 100644
--- a/src/com/gitblit/wicket/pages/SummaryPage.java
+++ b/src/com/gitblit/wicket/pages/SummaryPage.java
@@ -1,11 +1,15 @@
 package com.gitblit.wicket.pages;
 
+import java.awt.Dimension;
+import java.util.ArrayList;
+import java.util.Collections;
 import java.util.Date;
 import java.util.List;
 import java.util.Map;
 
 import org.apache.wicket.PageParameters;
 import org.apache.wicket.markup.html.basic.Label;
+import org.apache.wicket.markup.html.image.ContextImage;
 import org.apache.wicket.markup.repeater.Item;
 import org.apache.wicket.markup.repeater.data.DataView;
 import org.apache.wicket.markup.repeater.data.ListDataProvider;
@@ -13,24 +17,46 @@
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.revwalk.RevCommit;
 
+import com.codecommit.wicket.AbstractChartData;
+import com.codecommit.wicket.Chart;
+import com.codecommit.wicket.ChartAxis;
+import com.codecommit.wicket.ChartAxisType;
+import com.codecommit.wicket.ChartProvider;
+import com.codecommit.wicket.ChartType;
+import com.codecommit.wicket.IChartData;
+import com.gitblit.StoredSettings;
 import com.gitblit.utils.JGitUtils;
 import com.gitblit.wicket.GitBlitWebApp;
 import com.gitblit.wicket.GitBlitWebSession;
 import com.gitblit.wicket.LinkPanel;
 import com.gitblit.wicket.RepositoryPage;
 import com.gitblit.wicket.WicketUtils;
+import com.gitblit.wicket.models.Metric;
 import com.gitblit.wicket.models.RefModel;
-import com.gitblit.wicket.panels.HeadLinksPanel;
+import com.gitblit.wicket.panels.AnnotatedTagLinksPanel;
+import com.gitblit.wicket.panels.BranchLinksPanel;
 import com.gitblit.wicket.panels.RefsPanel;
 import com.gitblit.wicket.panels.ShortLogLinksPanel;
 import com.gitblit.wicket.panels.TagLinksPanel;
-
 
 public class SummaryPage extends RepositoryPage {
 
 	public SummaryPage(PageParameters params) {
 		super(params, "summary");
+		
+		int numCommitsDef = 20;
+		int numRefsDef = 5;
+		
+		int numberCommits = StoredSettings.getInteger("summaryCommitCount", numCommitsDef);
+		if (numberCommits <= 0) {
+			numberCommits = numCommitsDef;
+		}
 
+		int numberRefs = StoredSettings.getInteger("summaryRefsCount", numRefsDef);
+		if (numberRefs <= 0) {
+			numberRefs = numRefsDef;
+		}
+		
 		Repository r = getRepository();
 		final Map<ObjectId, List<String>> allRefs = JGitUtils.getAllRefs(r);
 
@@ -45,12 +71,10 @@
 		add(new Label("repositoryLastChange", lastchange));
 		add(new Label("repositoryCloneUrl", cloneurl));
 
-		int summaryCount = 16;
-
 		// shortlog
 		add(new LinkPanel("shortlog", "title", "shortlog", ShortLogPage.class, newRepositoryParameter()));
 
-		List<RevCommit> commits = JGitUtils.getRevLog(r, summaryCount);
+		List<RevCommit> commits = JGitUtils.getRevLog(r, numberCommits);
 		ListDataProvider<RevCommit> dp = new ListDataProvider<RevCommit>(commits);
 		DataView<RevCommit> shortlogView = new DataView<RevCommit>("commit", dp) {
 			private static final long serialVersionUID = 1L;
@@ -82,10 +106,14 @@
 			}
 		};
 		add(shortlogView);
-		add(new LinkPanel("shortlogMore", "link", "...", ShortLogPage.class, newRepositoryParameter()));
+		if (commits.size() < numberCommits) {
+			add(new Label("shortlogMore", "").setVisible(false));
+		} else {
+			add(new LinkPanel("shortlogMore", "link", "more...", ShortLogPage.class, newRepositoryParameter()));
+		}
 
 		// tags
-		List<RefModel> tags = JGitUtils.getTags(r, summaryCount);
+		List<RefModel> tags = JGitUtils.getTags(r, numberRefs);
 		add(new LinkPanel("tags", "title", "tags", TagsPage.class, newRepositoryParameter()));
 
 		ListDataProvider<RefModel> tagsDp = new ListDataProvider<RefModel>(tags);
@@ -100,45 +128,66 @@
 
 				item.add(new LinkPanel("tagName", "list name", entry.getDisplayName(), CommitPage.class, newCommitParameter(entry.getCommitId().getName())));
 
-				if (entry.getCommitId().equals(entry.getObjectId())) {
-					// lightweight tag on commit object
-					item.add(new Label("tagDescription", ""));
-				} else {
-					// tag object
+				if (entry.isAnnotatedTag()) {
+					// annotated tag
 					item.add(new LinkPanel("tagDescription", "list subject", entry.getShortLog(), TagPage.class, newCommitParameter(entry.getObjectId().getName())));
+					item.add(new AnnotatedTagLinksPanel("tagLinks", repositoryName, entry));
+				} else {
+					// simple tag on commit object
+					item.add(new Label("tagDescription", ""));
+					item.add(new TagLinksPanel("tagLinks", repositoryName, entry));
 				}
-
-				item.add(new TagLinksPanel("tagLinks", repositoryName, entry));
 
 				setAlternatingBackground(item, counter);
 				counter++;
 			}
 		};
 		add(tagView);
-		add(new LinkPanel("tagsMore", "link", "...", TagsPage.class, newRepositoryParameter()));
-		// heads
-		List<RefModel> heads = JGitUtils.getHeads(r, summaryCount);
-		add(new LinkPanel("heads", "title", "heads", HeadsPage.class, newRepositoryParameter()));
+		if (tags.size() < numberRefs) {
+			add(new Label("allTags", "").setVisible(false));
+		} else {
+			add(new LinkPanel("allTags", "link", "all tags...", TagsPage.class, newRepositoryParameter()));
+		}
 
-		ListDataProvider<RefModel> headsDp = new ListDataProvider<RefModel>(heads);
-		DataView<RefModel> headsView = new DataView<RefModel>("head", headsDp) {
+		// branches
+		List<RefModel> branches = new ArrayList<RefModel>();
+		branches.addAll(JGitUtils.getLocalBranches(r, numberRefs));
+		branches.addAll(JGitUtils.getRemoteBranches(r, numberRefs));
+		Collections.sort(branches);
+		Collections.reverse(branches);
+		if (numberRefs > 0 && branches.size() > numberRefs) {
+			branches = new ArrayList<RefModel>(branches.subList(0, numberRefs));
+		}
+
+		add(new LinkPanel("branches", "title", "branches", BranchesPage.class, newRepositoryParameter()));
+
+		ListDataProvider<RefModel> branchesDp = new ListDataProvider<RefModel>(branches);
+		DataView<RefModel> branchesView = new DataView<RefModel>("branch", branchesDp) {
 			private static final long serialVersionUID = 1L;
 			int counter = 0;
 
 			public void populateItem(final Item<RefModel> item) {
 				final RefModel entry = item.getModelObject();
 
-				item.add(createDateLabel("headDate", entry.getDate()));
+				item.add(createDateLabel("branchDate", entry.getDate()));
 
-				item.add(new LinkPanel("headName", "list name", entry.getDisplayName(), ShortLogPage.class, newCommitParameter(entry.getName())));
+				item.add(new LinkPanel("branchName", "list name", trimString(entry.getDisplayName(), 28), ShortLogPage.class, newCommitParameter(entry.getName())));
 
-				item.add(new HeadLinksPanel("headLinks", repositoryName, entry));
+				item.add(new BranchLinksPanel("branchLinks", repositoryName, entry));
 
 				setAlternatingBackground(item, counter);
 				counter++;
 			}
 		};
-		add(headsView);
+		add(branchesView);
+		if (branches.size() < numberRefs) {
+			add(new Label("allBranches", "").setVisible(false));
+		} else {
+			add(new LinkPanel("allBranches", "link", "all branches...", BranchesPage.class, newRepositoryParameter()));
+		}
+		
+		// Display an activity line graph
+		insertActivityGraph(r);
 
 		// close the repository
 		r.close();
@@ -146,4 +195,65 @@
 		// footer
 		addFooter();
 	}
+
+	private void insertActivityGraph(Repository r) {
+		if (StoredSettings.getBoolean("generateActivityGraph", true)) {
+			List<Metric> dates = JGitUtils.getDateMetrics(r);
+			IChartData data = getChartData(dates);
+
+			ChartProvider provider = new ChartProvider(new Dimension(400, 80), ChartType.LINE, data);
+			ChartAxis dateAxis = new ChartAxis(ChartAxisType.BOTTOM);
+			dateAxis.setLabels(new String[] { dates.get(0).name, dates.get(dates.size() / 2).name, dates.get(dates.size() - 1).name });
+			provider.addAxis(dateAxis);
+
+			ChartAxis commitAxis = new ChartAxis(ChartAxisType.LEFT);
+			commitAxis.setLabels(new String[] { "", String.valueOf((int) maxValue(dates)) });
+			provider.addAxis(commitAxis);
+
+			add(new Chart("commitsChart", provider));
+		} else {
+			add(new ContextImage("commitsChart", "blank.png"));			
+		}
+	}
+
+	protected IChartData getChartData(List<Metric> results) {
+		final double[] counts = new double[results.size()];
+		int i = 0;
+		double max = 0;
+		for (Metric m : results) {
+			counts[i++] = m.count;
+			max = Math.max(max, m.count);
+		}
+		final double dmax = max;
+		IChartData data = new AbstractChartData() {
+			private static final long serialVersionUID = 1L;
+
+			public double[][] getData() {
+				return new double[][] { counts };
+			}
+
+			public double getMax() {
+				return dmax;
+			}
+		};
+		return data;
+	}
+
+	protected String[] getNames(List<Metric> results) {
+		String[] names = new String[results.size()];
+		for (int i = 0; i < results.size(); i++) {
+			names[i] = results.get(i).name;
+		}
+		return names;
+	}
+
+	protected double maxValue(List<Metric> metrics) {
+		double max = Double.MIN_VALUE;
+		for (Metric m : metrics) {
+			if (m.count > max) {
+				max = m.count;
+			}
+		}
+		return max;
+	}
 }

--
Gitblit v1.9.1