var revisionGraph = null; function drawRevisionGraph(holder, commits_hash, graph_space) { var XSTEP = 20, CIRCLE_INROW_OFFSET = 10; var commits_by_scmid = $H(commits_hash), commits = commits_by_scmid.values(); var max_rdmid = commits.length - 1; var commit_table_rows = $$('table.changesets tr.changeset'); // create graph if(revisionGraph != null) revisionGraph.clear(); else revisionGraph = Raphael(holder); var top = revisionGraph.set(); // init dimensions var graph_x_offset = Element.select(commit_table_rows.first(),'td').first().getLayout().get('left') - $(holder).getLayout().get('left'), graph_y_offset = $(holder).getLayout().get('top'), graph_right_side = graph_x_offset + (graph_space + 1) * XSTEP, graph_bottom = commit_table_rows.last().getLayout().get('top') + commit_table_rows.last().getLayout().get('height') - graph_y_offset; revisionGraph.setSize(graph_right_side, graph_bottom); // init colors var colors = []; Raphael.getColor.reset(); for (var k = 0; k <= graph_space; k++) { colors.push(Raphael.getColor()); } var parent_commit; var x, y, parent_x, parent_y; var path, longrefs, shortrefs, label, labelBBox; commits.each(function(commit) { y = commit_table_rows[max_rdmid - commit.rdmid].getLayout().get('top') - graph_y_offset + CIRCLE_INROW_OFFSET; x = graph_x_offset + XSTEP / 2 + XSTEP * commit.space; revisionGraph.circle(x, y, 3).attr({fill: colors[commit.space], stroke: 'none'}); // title if (commit.refs != null && commit.refs != '') { longrefs = commit.refs; shortrefs = longrefs.length > 15 ? longrefs.substr(0, 13) + '...' : longrefs; label = revisionGraph.text(x + 5, y + 5, shortrefs) .attr({ font: '12px Fontin-Sans, Arial', fill: '#666', title: longrefs, cursor: 'pointer', rotation: '0'}); labelBBox = label.getBBox(); label.translate(labelBBox.width / 2, -labelBBox.height / 3); } // paths to parents commit.parent_scmids.each(function(parent_scmid) { parent_commit = commits_by_scmid.get(parent_scmid); if (parent_commit) { parent_y = commit_table_rows[max_rdmid - parent_commit.rdmid].getLayout().get('top') - graph_y_offset + CIRCLE_INROW_OFFSET; parent_x = graph_x_offset + XSTEP / 2 + XSTEP * parent_commit.space; if (parent_commit.space == commit.space) { // vertical path path = revisionGraph.path([ 'M', x, y, 'V', parent_y]); } else { // path to a commit in a different branch (Bezier curve) path = revisionGraph.path([ 'M', x, y, 'C', x, y, x, y + (parent_y - y) / 2, x + (parent_x - x) / 2, y + (parent_y - y) / 2, 'C', x + (parent_x - x) / 2, y + (parent_y - y) / 2, parent_x, parent_y-(parent_y-y)/2, parent_x, parent_y]); } } else { // vertical path ending at the bottom of the revisionGraph path = revisionGraph.path([ 'M', x, y, 'V', graph_bottom]); } path.attr({stroke: colors[commit.space], "stroke-width": 1.5}); }); top.push(revisionGraph.circle(x, y, 10) .attr({ fill: '#000', opacity: 0, cursor: 'pointer', href: commit.href}) .hover(function () {}, function () {})); }); top.toFront(); };