102 lines
3.6 KiB
JavaScript
102 lines
3.6 KiB
JavaScript
var revisionGraph = null;
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function drawRevisionGraph(holder, commits_hash, graph_space) {
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var XSTEP = 20,
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CIRCLE_INROW_OFFSET = 10;
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var commits_by_scmid = $H(commits_hash),
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commits = commits_by_scmid.values();
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var max_rdmid = commits.length - 1;
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var commit_table_rows = $$('table.changesets tr.changeset');
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// create graph
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if(revisionGraph != null)
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revisionGraph.clear();
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else
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revisionGraph = Raphael(holder);
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var top = revisionGraph.set();
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// init dimensions
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var graph_x_offset = Element.select(commit_table_rows.first(),'td').first().getLayout().get('left') - $(holder).getLayout().get('left'),
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graph_y_offset = $(holder).getLayout().get('top'),
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graph_right_side = graph_x_offset + (graph_space + 1) * XSTEP,
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graph_bottom = commit_table_rows.last().getLayout().get('top') + commit_table_rows.last().getLayout().get('height') - graph_y_offset;
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revisionGraph.setSize(graph_right_side, graph_bottom);
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// init colors
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var colors = [];
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Raphael.getColor.reset();
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for (var k = 0; k <= graph_space; k++) {
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colors.push(Raphael.getColor());
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}
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var parent_commit;
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var x, y, parent_x, parent_y;
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var path, title;
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commits.each(function(commit) {
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y = commit_table_rows[max_rdmid - commit.rdmid].getLayout().get('top') - graph_y_offset + CIRCLE_INROW_OFFSET;
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x = graph_x_offset + XSTEP / 2 + XSTEP * commit.space;
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revisionGraph.circle(x, y, 3)
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.attr({
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fill: colors[commit.space],
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stroke: 'none',
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}).toFront();
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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 = commit_table_rows[max_rdmid - parent_commit.rdmid].getLayout().get('top') - graph_y_offset + CIRCLE_INROW_OFFSET;
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parent_x = graph_x_offset + XSTEP / 2 + 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 = revisionGraph.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 = revisionGraph.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 revisionGraph
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path = revisionGraph.path([
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'M', x, y,
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'V', graph_bottom]);
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}
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path.attr({stroke: colors[commit.space], "stroke-width": 1.5}).toBack();
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});
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revision_dot_overlay = revisionGraph.circle(x, y, 10);
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revision_dot_overlay
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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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});
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if(commit.refs != null && commit.refs.length > 0) {
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title = document.createElementNS(revisionGraph.canvas.namespaceURI, 'title');
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title.appendChild(document.createTextNode(commit.refs));
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revision_dot_overlay.node.appendChild(title);
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}
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top.push(revision_dot_overlay);
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});
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top.toFront();
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};
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