BranchGraph now loads async

Centralized keyboard and drag events for BranchGraph

app/assets/javascripts/projects.js.coffee

@@ -18,10 +18,3 @@ $ ->
   # Ref switcher
   $('.project-refs-select').on 'change', ->
     $(@).parents('form').submit()
-
-class @GraphNav
-  @init: ->
-    $('.graph svg').css 'position', 'relative'
-    $('body').bind 'keyup', (e) ->
-      $('.graph svg').animate(left: '+=400') if e.keyCode is 37 # left
-      $('.graph svg').animate(left: '-=400') if e.keyCode is 39 # right

app/controllers/projects_controller.rb

@@ -83,9 +83,19 @@ class ProjectsController < ProjectResourceController
   end
 
   def graph
+    
+    respond_to do |format|
+      format.html
+      format.json do
         graph = Gitlab::Graph::JsonBuilder.new(project)
+        #@days_json, @commits_json = graph.days_json, graph.commits_json
+        render :text => graph.to_json
+      end
+    end
+    
+    
+
     
-    @days_json, @commits_json = graph.days_json, graph.commits_json
   end
 
   def destroy

app/views/projects/graph.html.haml

@@ -4,12 +4,10 @@
   %h4
     %small You can move around the graph by using the arrow keys.
   #holder.graph
+    .loading
 
 :javascript
-  var commits = #{@commits_json}
-    , days = #{@days_json};
-  var branch_graph = new BranchGraph(days, commits);
+  var branch_graph;
   $(function(){
-    branch_graph.buildGraph($("#holder")[0]);
-    GraphNav.init();
+    branch_graph = new BranchGraph($("#holder"), '#{url_for :controller => 'projects', :action => 'graph'}');
   });

lib/gitlab/graph/commit.rb

@@ -28,7 +28,7 @@ module Gitlab
         h[:refs]    = refs.collect{|r|r.name}.join(" ") unless refs.nil?
         h[:id]      = sha
         h[:date]    = date
-        h[:message] = escape_once(message)
+        h[:message] = message
         h[:login]   = author.email
         h
       end

lib/gitlab/graph/json_builder.rb

@@ -18,12 +18,11 @@ module Gitlab
         @days = index_commits
       end
       
-      def days_json
-        @days_json = @days.compact.map { |d| [d.day, d.strftime("%b")] }.to_json
-      end
-
-      def commits_json
-        @commits_json = @commits.map(&:to_graph_hash).to_json
+      def to_json
+        {
+          days: @days.compact.map { |d| [d.day, d.strftime("%b")] },
+          commits: @commits.map(&:to_graph_hash)
+        }.to_json
       end
     
     protected

vendor/assets/javascripts/branch-graph.js

 !function(){
 
-  var BranchGraph = function(days, commits){
+  var BranchGraph = function(element, url){
+    this.element = element;
+    this.url = url;
     
-    this.days = days || {};
-    this.commits = commits || {};
     this.comms = {};
-    this.pixelsX = [];
-    this.pixelsY = [];
     this.mtime = 0;
     this.mspace = 0;
     this.parents = {};
-    this.ii = 0;
     this.colors = ["#000"];
     
-    this.prepareData();
+    this.load();
   };
   
-  BranchGraph.prototype.prepareData = function(){
+  BranchGraph.prototype.load = function(){
+    $.ajax({
+      url: this.url,
+      method: 'get',
+      dataType: 'json',
+      success: $.proxy(function(data){
+        $('.loading', this.element).hide();
+        this.prepareData(data.days, data.commits);
+        this.buildGraph(this.element.get(0));
+      }, this)
+    });
+  },
+  
+  BranchGraph.prototype.prepareData = function(days, commits){
+    this.days = days;
+    this.commits = commits;
     ii = this.commits.length;
     for (var i = 0; i < ii; i++) {
       for (var j = 0, jj = this.commits[i].parents.length; j < jj; j++) {
@@ -25,8 +37,8 @@
       this.mtime = Math.max(this.mtime, this.commits[i].time);
       this.mspace = Math.max(this.mspace, this.commits[i].space);
     }
-    this.mtime = this.mtime + 4;
-    this.mspace = this.mspace + 10;
+    this.mtime += 4;
+    this.mspace += 10;
     for (i = 0; i < ii; i++) {
       if (this.commits[i].id in this.parents) {
         this.commits[i].isParent = true;
@@ -41,10 +53,13 @@
   BranchGraph.prototype.buildGraph = function(holder){
     var ch = this.mspace * 20 + 20
       , cw = this.mtime * 20 + 20
-      , r = Raphael("holder", cw, ch)
+      , r = Raphael(holder, cw, ch)
       , top = r.set()
       , cuday = 0
-      , cumonth = "";
+      , cumonth = ""
+      , r;
+    
+    this.raphael = r;
     
     r.rect(0, 0, this.days.length * 20 + 80, 30).attr({fill: "#222"});
     r.rect(0, 30, this.days.length * 20 + 80, 20).attr({fill: "#444"});
@@ -116,28 +131,8 @@
           }
         }
       }
-      (function (c, x, y) {
-        top.push(r.circle(x, y, 10).attr({
-          fill: "#000", 
-          opacity: 0, 
-          cursor: "pointer"
-        })
-        .click(function(){
-          location.href = location.href.replace("graph", "commits/" + c.id);
-        })
-        .hover(function () {
-          // Create empty node to convert entities to character
-          var m = $('<div />').html(c.message).text()
-            , s = r.text(100, 100, c.author + "\n \n" + c.id + "\n \n" + m).attr({
-            fill: "#fff"
-          });
-          this.popup = r.popupit(x, y + 5, s, 0);
-          top.push(this.popup.insertBefore(this));
-        }, function () {
-          this.popup && this.popup.remove() && delete this.popup;
-        }));
-      }(this.commits[i], x, y));
-    
+      this.appendAnchor(top, this.commits[i], x, y);
+    }
     top.toFront();
     var hw = holder.offsetWidth
       , hh = holder.offsetHeight
@@ -174,8 +169,41 @@
       document.onmousemove = null;
       bars.animate({opacity: 0}, 300);
     };
-      holder.scrollLeft = cw;
+      
+    $(window).on('keydown', function(event){
+      if(event.keyCode == 37){
+        holder.scrollLeft -= 50; 
       }
+      if(event.keyCode == 39){
+        // right
+        holder.scrollLeft += 50; 
+      }
+    });
+      
+      
+    holder.scrollLeft = cw;
+  };
+  
+  BranchGraph.prototype.appendAnchor = function(top, c, x, y) {
+    var r = this.raphael;
+    top.push(r.circle(x, y, 10).attr({
+      fill: "#000", 
+      opacity: 0, 
+      cursor: "pointer"
+    })
+    .click(function(){
+      location.href = location.href.replace("graph", "commits/" + c.id);
+    })
+    .hover(function () {
+      // Create empty node to convert entities to character
+      var s = r.text(100, 100, c.author + "\n \n" + c.id + "\n \n" + c.message).attr({
+        fill: "#fff"
+      });
+      this.popup = r.popupit(x, y + 5, s, 0);
+      top.push(this.popup.insertBefore(this));
+    }, function () {
+      this.popup && this.popup.remove() && delete this.popup;
+    }));
   };
   
   this.BranchGraph = BranchGraph;