From 1ad977f7129be29fe58d44099da8a0ea2e4b1cae Mon Sep 17 00:00:00 2001
From: Etienne Massip <etienne.massip@gmail.com>
Date: Sat, 11 Feb 2012 14:57:44 +0000
Subject: Integrated revision graph into scmid column. Allow wrapping of
 comment text so that the width doesn't overlap the sidebar while using
 multiple repositories. Some code cleanup also.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8850 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/helpers/repositories_helper.rb              | 33 +++++++++--------
 app/views/repositories/_revision_graph.html.erb |  7 ++--
 app/views/repositories/_revisions.html.erb      | 47 +++++++++----------------
 3 files changed, 37 insertions(+), 50 deletions(-)

(limited to 'app')

diff --git a/app/helpers/repositories_helper.rb b/app/helpers/repositories_helper.rb
index 3c12262a5..a3bb0573a 100644
--- a/app/helpers/repositories_helper.rb
+++ b/app/helpers/repositories_helper.rb
@@ -271,7 +271,6 @@ module RepositoriesHelper
       commits_by_scmid[commit.scmid] = {
         :parent_scmids => commit.parents.collect { |parent| parent.scmid },
         :rdmid => commit_index,
-        :space => 0,
         :refs  => refs_map.include?(commit.scmid) ? refs_map[commit.scmid].join(" ") : nil,
         :scmid => commit.scmid,
         :href  => block_given? ? yield(commit.scmid) : commit.scmid
@@ -280,40 +279,40 @@ module RepositoriesHelper
 
     heads.sort! { |head1, head2| head1.to_s <=> head2.to_s }
 
-    mark_index = 0
+    space = nil  
     heads.each do |head|
       if commits_by_scmid.include? head.scmid
-        mark_index = mark_chain(mark_index += 1, commits_by_scmid[head.scmid], commits_by_scmid)
+        space = index_head((space || -1) + 1, head, commits_by_scmid)
       end
     end
+
     # when no head matched anything use first commit
-    if mark_index == 0
-       mark_chain(mark_index += 1, commits_by_scmid.values.first, commits_by_scmid)
-    end
-    commits_by_scmid
+    space ||= index_head(0, commits.first, commits_by_scmid)
+
+    return commits_by_scmid, space
   end
 
-  def mark_chain(mark_index, commit, commits_by_scmid)
+  def index_head(space, commit, commits_by_scmid)
 
-    stack = [[mark_index, commit]]
-    mark_max_index = mark_index
+    stack = [[space, commits_by_scmid[commit.scmid]]]
+    max_space = space
 
     until stack.empty?
-      mark_index, commit = stack.pop
-      commit[:space] = mark_index if commit[:space] == 0
+      space, commit = stack.pop
+      commit[:space] = space if commit[:space].nil?
 
-      mark_index -=1
+      space -= 1
       commit[:parent_scmids].each_with_index do |parent_scmid, parent_index|
 
         parent_commit = commits_by_scmid[parent_scmid]
 
-        if parent_commit and parent_commit[:space] == 0
+        if parent_commit and parent_commit[:space].nil?
 
-          stack.unshift [mark_index += 1, parent_commit]
+          stack.unshift [space += 1, parent_commit]
         end
       end
-      mark_max_index = mark_index if mark_max_index < mark_index
+      max_space = space if max_space < space
     end
-    mark_max_index
+    max_space
   end
 end
diff --git a/app/views/repositories/_revision_graph.html.erb b/app/views/repositories/_revision_graph.html.erb
index ef04220af..db82bedae 100644
--- a/app/views/repositories/_revision_graph.html.erb
+++ b/app/views/repositories/_revision_graph.html.erb
@@ -4,9 +4,10 @@
 <script type="text/javascript" charset="utf-8">
   Event.observe(window, 'load', function(){
     revisionGraph(
-        document.getElementById("holder"),
-        <%= commits.to_json.html_safe %>);
+        document.getElementById('holder'),
+        <%= commits.to_json.html_safe %>,
+        <%= space %>);
   });
 </script>
 
-<div id="holder" class="graph"></div>
+<div id="holder" class="revision-graph" style="width: <%= (space + 1) * 20 %>px;"></div>
diff --git a/app/views/repositories/_revisions.html.erb b/app/views/repositories/_revisions.html.erb
index 77744dae1..cb583689d 100644
--- a/app/views/repositories/_revisions.html.erb
+++ b/app/views/repositories/_revisions.html.erb
@@ -6,9 +6,6 @@
      ) do %>
 <table class="list changesets">
 <thead><tr>
-<% if show_revision_graph %>
-  <th></th>
-<% end %>
 <th>#</th>
 <th></th>
 <th></th>
@@ -18,40 +15,30 @@
 </tr></thead>
 <tbody>
 <% show_diff = revisions.size > 1 %>
+<%= if show_revision_graph && revisions && revisions.any?
+    indexed_commits, graph_space = index_commits(revisions, @repository.branches) do |scmid|
+                             url_for(
+                               :controller => 'repositories',
+                               :action => 'revision',
+                               :id => project,
+                               :repository_id => @repository.identifier_param,
+                               :rev => scmid)
+                         end
+    render :partial => 'revision_graph',
+         :locals => {
+            :commits => indexed_commits,
+            :space => graph_space
+        }
+end %>
 <% line_num = 1 %>
 <% revisions.each do |changeset| %>
 <tr class="changeset <%= cycle 'odd', 'even' %>">
-<% if show_revision_graph %>
-  <% if line_num == 1 %>
-    <td class="revision_graph" rowspan="<%= revisions.size %>">
-      <%= render :partial => 'revision_graph',
-                 :locals => {
-                    :commits => index_commits(
-                                 revisions,
-                                 @repository.branches) do |scmid|
-                                     url_for(
-                                       :controller => 'repositories',
-                                       :action => 'revision',
-                                       :id => project,
-                                       :repository_id => @repository.identifier_param,
-                                       :rev => scmid)
-                                end
-                    } %>
-    </td>
-  <% end %>
-<% end %>
-<td class="id"><%= link_to_revision(changeset, @repository) %></td>
+<td class="id"<%= show_revision_graph ? " style=\"padding-left:#{(graph_space + 1) * 20}px\"" : '' %>><%= link_to_revision(changeset, @repository) %></td>
 <td class="checkbox"><%= radio_button_tag('rev', changeset.identifier, (line_num==1), :id => "cb-#{line_num}", :onclick => "$('cbto-#{line_num+1}').checked=true;") if show_diff && (line_num < revisions.size) %></td>
 <td class="checkbox"><%= radio_button_tag('rev_to', changeset.identifier, (line_num==2), :id => "cbto-#{line_num}", :onclick => "if ($('cb-#{line_num}').checked==true) {$('cb-#{line_num-1}').checked=true;}") if show_diff && (line_num > 1) %></td>
 <td class="committed_on"><%= format_time(changeset.committed_on) %></td>
 <td class="author"><%= h truncate(changeset.author.to_s, :length => 30) %></td>
-<% if show_revision_graph %>
-  <td class="comments_nowrap">
-    <%= textilizable(truncate(truncate_at_line_break(changeset.comments, 0), :length => 90)) %>
-  </td>
-<% else %>
-  <td class="comments"><%= textilizable(truncate_at_line_break(changeset.comments)) %></td>
-<% end %>
+<td class="comments"><%= textilizable(truncate_at_line_break(changeset.comments)) %></td>
 </tr>
 <% line_num += 1 %>
 <% end %>
-- 
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