102 lines
3.3 KiB
JavaScript
102 lines
3.3 KiB
JavaScript
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function revisionGraph(holder, commits_hash) {
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var LEFT_PADDING = 3,
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TOP_PADDING = 10,
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XSTEP = 20;
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var YSTEP = $$('tr.changeset')[0].getHeight();
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var commits_by_scmid = $H(commits_hash),
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commits = commits_by_scmid.values();
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// init max dimensions
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var max_rdmid = max_space = 0;
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commits.each(function(commit) {
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max_rdmid = Math.max(max_rdmid, commit.rdmid);
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max_space = Math.max(max_space, commit.space);
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});
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var graph_height = max_rdmid * YSTEP + YSTEP,
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graph_width = max_space * XSTEP + XSTEP;
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// init colors
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var colors = ['#000'];
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for (var k = 0; k < max_space; k++) {
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colors.push(Raphael.getColor());
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}
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// create graph
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var graph = Raphael(holder, graph_width, graph_height),
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top = graph.set();
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var parent_commit;
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var x, y, parent_x, parent_y;
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var path, longrefs, shortrefs, label, labelBBox;
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commits.each(function(commit) {
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y = TOP_PADDING + YSTEP *(max_rdmid - commit.rdmid);
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x = LEFT_PADDING + XSTEP * commit.space;
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graph.circle(x, y, 3).attr({fill: colors[commit.space], stroke: 'none'});
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// title
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if (commit.refs != null && commit.refs != '') {
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longrefs = commit.refs;
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shortrefs = longrefs.length > 15 ? longrefs.substr(0, 13) + '...' : longrefs;
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label = graph.text(x + 5, y + 5, shortrefs)
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.attr({
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font: '12px Fontin-Sans, Arial',
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fill: '#666',
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title: longrefs,
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cursor: 'pointer',
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rotation: '0'});
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labelBBox = label.getBBox();
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label.translate(labelBBox.width / 2, -labelBBox.height / 3);
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}
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// paths to parents
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commit.parent_scmids.each(function(parent_scmid) {
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parent_commit = commits_by_scmid.get(parent_scmid);
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if (parent_commit) {
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parent_y = TOP_PADDING + YSTEP * (max_rdmid - parent_commit.rdmid);
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parent_x = LEFT_PADDING + XSTEP * parent_commit.space;
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if (parent_commit.space == commit.space) {
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// vertical path
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path = graph.path([
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'M', x, y,
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'V', parent_y]);
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} else {
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// path to a commit in a different branch (Bezier curve)
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path = graph.path([
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'M', x, y,
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'C', x, y, x, y + (parent_y - y) / 2, x + (parent_x - x) / 2, y + (parent_y - y) / 2,
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'C', x + (parent_x - x) / 2, y + (parent_y - y) / 2, parent_x, parent_y-(parent_y-y)/2, parent_x, parent_y]);
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}
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} else {
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// vertical path ending at the bottom of the graph
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path = graph.path([
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'M', x, y,
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'V', graph_height]);
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}
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path.attr({stroke: colors[commit.space], "stroke-width": 1.5});
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});
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top.push(graph.circle(x, y, 10)
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.attr({
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fill: '#000',
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opacity: 0,
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cursor: 'pointer',
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href: commit.href})
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.hover(function () {}, function () {}));
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});
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top.toFront();
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};
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