Chris@909: var commits = chunk.commits,
Chris@909:     comms = {},
Chris@909:     pixelsX = [],
Chris@909:     pixelsY = [],
Chris@909:     mmax = Math.max,
Chris@909:     max_rdmid = 0,
Chris@909:     max_space = 0,
Chris@909:     parents = {};
Chris@909: for (var i = 0, ii = commits.length; i < ii; i++) {
Chris@909:     for (var j = 0, jj = commits[i].parents.length; j < jj; j++) {
Chris@909:         parents[commits[i].parents[j][0]] = true;
Chris@909:     }
Chris@909:     max_rdmid = Math.max(max_rdmid, commits[i].rdmid);
Chris@909:     max_space = Math.max(max_space, commits[i].space);
Chris@909: }
Chris@909: 
Chris@909: for (i = 0; i < ii; i++) {
Chris@909:     if (commits[i].scmid in parents) {
Chris@909:         commits[i].isParent = true;
Chris@909:     }
Chris@909:     comms[commits[i].scmid] = commits[i];
Chris@909: }
Chris@909: var colors = ["#000"];
Chris@909: for (var k = 0; k < max_space; k++) {
Chris@909:     colors.push(Raphael.getColor());
Chris@909: }
Chris@909: 
Chris@909: function branchGraph(holder) {
Chris@909:     var xstep = 20;
Chris@909:     var ystep = $$('tr.changeset')[0].getHeight();
Chris@909:     var ch, cw;
Chris@909:     cw = max_space * xstep + xstep;
Chris@909:     ch = max_rdmid * ystep + ystep;
Chris@909:     var r = Raphael("holder", cw, ch),
Chris@909:         top = r.set();
Chris@909:     var cuday = 0, cumonth = "";
Chris@909: 
Chris@909:     for (i = 0; i < ii; i++) {
Chris@909:         var x, y;
Chris@909:         y = 10 + ystep *(max_rdmid - commits[i].rdmid);
Chris@909:         x = 3 + xstep * commits[i].space;
Chris@909:         var stroke = "none";
Chris@909:         r.circle(x, y, 3).attr({fill: colors[commits[i].space], stroke: stroke});
Chris@909:         if (commits[i].refs != null && commits[i].refs != "") {
Chris@909:             var longrefs  = commits[i].refs
Chris@909:             var shortrefs = commits[i].refs;
Chris@909:             if (shortrefs.length > 15) {
Chris@909:               shortrefs = shortrefs.substr(0,13) + "...";
Chris@909:               }
Chris@909:             var t = r.text(x+5,y+5,shortrefs).attr({font: "12px Fontin-Sans, Arial", fill: "#666",
Chris@909:             title: longrefs, cursor: "pointer", rotation: "0"});
Chris@909: 
Chris@909:             var textbox = t.getBBox();
Chris@909:             t.translate(textbox.width / 2, textbox.height / -3);
Chris@909:          }
Chris@909:         for (var j = 0, jj = commits[i].parents.length; j < jj; j++) {
Chris@909:             var c = comms[commits[i].parents[j][0]];
Chris@909:             var p,arrow;
Chris@909:             if (c) {
Chris@909:                 var cy, cx;
Chris@909:                 cy = 10 + ystep * (max_rdmid - c.rdmid),
Chris@909:                 cx = 3 + xstep * c.space;
Chris@909: 
Chris@909:                 if (c.space == commits[i].space) {
Chris@909:                     p = r.path("M" + x + "," + y + "L" + cx + "," + cy);
Chris@909:                 } else {
Chris@909:                     p = r.path(["M", x, y, "C",x,y,x, y+(cy-y)/2,x+(cx-x)/2, y+(cy-y)/2,
Chris@909:                                 "C", x+(cx-x)/2,y+(cy-y)/2, cx, cy-(cy-y)/2, cx, cy]);
Chris@909:                 }
Chris@909:             } else {
Chris@909:               p = r.path("M" + x + "," + y + "L" + x + "," + ch);
Chris@909:              }
Chris@909:             p.attr({stroke: colors[commits[i].space], "stroke-width": 1.5});
Chris@909:          }
Chris@909:         (function (c, x, y) {
Chris@909:             top.push(r.circle(x, y, 10).attr({fill: "#000", opacity: 0,
Chris@909:                                               cursor: "pointer", href: commits[i].href})
Chris@909:               .hover(function () {}, function () {})
Chris@909:               );
Chris@909:         }(commits[i], x, y));
Chris@909:      }
Chris@909:     top.toFront();
Chris@909:     var hw = holder.offsetWidth,
Chris@909:         hh = holder.offsetHeight,
Chris@909:         drag,
Chris@909:         dragger = function (e) {
Chris@909:             if (drag) {
Chris@909:                 e = e || window.event;
Chris@909:                 holder.scrollLeft = drag.sl - (e.clientX - drag.x);
Chris@909:                 holder.scrollTop = drag.st - (e.clientY - drag.y);
Chris@909:             }
Chris@909:         };
Chris@909:     holder.onmousedown = function (e) {
Chris@909:         e = e || window.event;
Chris@909:         drag = {x: e.clientX, y: e.clientY, st: holder.scrollTop, sl: holder.scrollLeft};
Chris@909:         document.onmousemove = dragger;
Chris@909:     };
Chris@909:     document.onmouseup = function () {
Chris@909:         drag = false;
Chris@909:         document.onmousemove = null;
Chris@909:     };
Chris@909:     holder.scrollLeft = cw;
Chris@909: };
Chris@909: 
Chris@909: Raphael.fn.popupit = function (x, y, set, dir, size) {
Chris@909:     dir = dir == null ? 2 : dir;
Chris@909:     size = size || 5;
Chris@909:     x = Math.round(x);
Chris@909:     y = Math.round(y);
Chris@909:     var bb = set.getBBox(),
Chris@909:         w = Math.round(bb.width / 2),
Chris@909:         h = Math.round(bb.height / 2),
Chris@909:         dx = [0, w + size * 2, 0, -w - size * 2],
Chris@909:         dy = [-h * 2 - size * 3, -h - size, 0, -h - size],
Chris@909:         p = ["M", x - dx[dir], y - dy[dir], "l", -size, (dir == 2) * -size, -mmax(w - size, 0),
Chris@909:              0, "a", size, size, 0, 0, 1, -size, -size,
Chris@909:             "l", 0, -mmax(h - size, 0), (dir == 3) * -size, -size, (dir == 3) * size, -size, 0,
Chris@909:             -mmax(h - size, 0), "a", size, size, 0, 0, 1, size, -size,
Chris@909:             "l", mmax(w - size, 0), 0, size, !dir * -size, size, !dir * size, mmax(w - size, 0),
Chris@909:             0, "a", size, size, 0, 0, 1, size, size,
Chris@909:             "l", 0, mmax(h - size, 0), (dir == 1) * size, size, (dir == 1) * -size, size, 0,
Chris@909:             mmax(h - size, 0), "a", size, size, 0, 0, 1, -size, size,
Chris@909:             "l", -mmax(w - size, 0), 0, "z"].join(","),
Chris@909:         xy = [{x: x, y: y + size * 2 + h},
Chris@909:               {x: x - size * 2 - w, y: y},
Chris@909:               {x: x, y: y - size * 2 - h},
Chris@909:               {x: x + size * 2 + w, y: y}]
Chris@909:               [dir];
Chris@909:     set.translate(xy.x - w - bb.x, xy.y - h - bb.y);
Chris@909:     return this.set(this.path(p).attr({fill: "#234", stroke: "none"})
Chris@909:                      .insertBefore(set.node ? set : set[0]), set);
Chris@909: };
Chris@909: 
Chris@909: Raphael.fn.popup = function (x, y, text, dir, size) {
Chris@909:     dir = dir == null ? 2 : dir > 3 ? 3 : dir;
Chris@909:     size = size || 5;
Chris@909:     text = text || "$9.99";
Chris@909:     var res = this.set(),
Chris@909:         d = 3;
Chris@909:     res.push(this.path().attr({fill: "#000", stroke: "#000"}));
Chris@909:     res.push(this.text(x, y, text).attr(this.g.txtattr).attr({fill: "#fff", "font-family": "Helvetica, Arial"}));
Chris@909:     res.update = function (X, Y, withAnimation) {
Chris@909:         X = X || x;
Chris@909:         Y = Y || y;
Chris@909:         var bb = this[1].getBBox(),
Chris@909:             w = bb.width / 2,
Chris@909:             h = bb.height / 2,
Chris@909:             dx = [0, w + size * 2, 0, -w - size * 2],
Chris@909:             dy = [-h * 2 - size * 3, -h - size, 0, -h - size],
Chris@909:             p = ["M", X - dx[dir], Y - dy[dir], "l", -size, (dir == 2) * -size,
Chris@909:                  -mmax(w - size, 0), 0, "a", size, size, 0, 0, 1, -size, -size,
Chris@909:                 "l", 0, -mmax(h - size, 0), (dir == 3) * -size, -size, (dir == 3) * size, -size,
Chris@909:                  0, -mmax(h - size, 0), "a", size, size, 0, 0, 1, size, -size,
Chris@909:                 "l", mmax(w - size, 0), 0, size, !dir * -size, size, !dir * size, mmax(w - size, 0),
Chris@909:                  0, "a", size, size, 0, 0, 1, size, size,
Chris@909:                 "l", 0, mmax(h - size, 0), (dir == 1) * size, size, (dir == 1) * -size, size, 0,
Chris@909:                 mmax(h - size, 0), "a", size, size, 0, 0, 1, -size, size,
Chris@909:                 "l", -mmax(w - size, 0), 0, "z"].join(","),
Chris@909:             xy = [{x: X, y: Y + size * 2 + h},
Chris@909:                   {x: X - size * 2 - w, y: Y},
Chris@909:                   {x: X, y: Y - size * 2 - h},
Chris@909:                   {x: X + size * 2 + w, y: Y}]
Chris@909:                   [dir];
Chris@909:         xy.path = p;
Chris@909:         if (withAnimation) {
Chris@909:             this.animate(xy, 500, ">");
Chris@909:         } else {
Chris@909:             this.attr(xy);
Chris@909:          }
Chris@909:         return this;
Chris@909:      };
Chris@909:     return res.update(x, y);
Chris@909: };