mirror of
https://we.phorge.it/source/phorge.git
synced 2024-12-25 23:10:57 +01:00
6270114767
Summary: - Removed trailing newlines. - Added newline at EOF. - Removed leading newlines. - Trimmed trailing whitespace. - Spelling fix. - Added newline at EOF Test Plan: N/A Reviewers: epriestley, #blessed_reviewers Reviewed By: epriestley CC: hach-que, chad, Korvin, epriestley, aran Differential Revision: https://secure.phabricator.com/D8344
142 lines
3.4 KiB
JavaScript
142 lines
3.4 KiB
JavaScript
/**
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* @provides javelin-behavior-diffusion-commit-graph
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* @requires javelin-behavior
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* javelin-dom
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* javelin-stratcom
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*/
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JX.behavior('diffusion-commit-graph', function(config) {
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var nodes = JX.DOM.scry(document.body, 'div', 'commit-graph');
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var cxt;
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// Pick the color for column 'c'.
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function color(c) {
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var colors = [
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'#cc0000',
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'#cc0099',
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'#6600cc',
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'#0033cc',
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'#00cccc',
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'#00cc33',
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'#66cc00',
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'#cc9900'
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];
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return colors[c % colors.length];
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}
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// Stroke a line (for lines between commits).
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function lstroke(c) {
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cxt.lineWidth = 3;
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cxt.strokeStyle = '#ffffff';
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cxt.stroke();
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cxt.lineWidth = 1;
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cxt.strokeStyle = color(c);
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cxt.stroke();
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}
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// Stroke with fill (for commit circles).
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function fstroke(c) {
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cxt.fillStyle = color(c);
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cxt.strokeStyle = '#ffffff';
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cxt.fill();
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cxt.stroke();
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}
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for (var ii = 0; ii < nodes.length; ii++) {
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var data = JX.Stratcom.getData(nodes[ii]);
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var cell = 12; // Width of each thread.
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var xpos = function(col) {
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return (col * cell) + (cell / 2);
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};
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var h = 26;
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var w = cell * config.count;
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var canvas = JX.$N('canvas', {width: w, height: h});
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cxt = canvas.getContext('2d');
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cxt.lineWidth = 3;
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// This gives us sharper lines, since lines drawn on an integer (like 5)
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// are drawn from 4.5 to 5.5.
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cxt.translate(0.5, 0.5);
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cxt.strokeStyle = '#ffffff';
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cxt.fillStyle = '#ffffff';
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// First, figure out which column this commit appears in. It is marked by
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// "o" (if it has a commit after it) or "^" (if no other commit has it as
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// a parent). We use this to figure out where to draw the join/split lines.
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var origin = null;
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var jj;
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var x;
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var c;
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for (jj = 0; jj < data.line.length; jj++) {
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c = data.line.charAt(jj);
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switch (c) {
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case 'o':
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case '^':
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origin = xpos(jj);
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break;
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}
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}
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// Draw all the join lines. These start at some column at the top of the
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// canvas and join the commit's column. They indicate branching.
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for (jj = 0; jj < data.join.length; jj++) {
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var join = data.join[jj];
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x = xpos(join);
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cxt.beginPath();
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cxt.moveTo(x, 0);
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cxt.bezierCurveTo(x, h/4, origin, h/4, origin, h/2);
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lstroke(join);
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}
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// Draw all the split lines. These start at the commit and end at some
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// column on the bottom of the canvas. They indicate merging.
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for (jj = 0; jj < data.split.length; jj++) {
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var split = data.split[jj];
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x = xpos(split);
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cxt.beginPath();
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cxt.moveTo(origin, h/2);
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cxt.bezierCurveTo(origin, 3*h/4, x, 3*h/4, x, h);
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lstroke(split);
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}
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// Draw the vertical lines (a branch with no activity at this commit) and
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// the commit circles.
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for (jj = 0; jj < data.line.length; jj++) {
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c = data.line.charAt(jj);
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switch (c) {
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case 'o':
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case '^':
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case '|':
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if (c == 'o' || c == '^') {
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origin = xpos(jj);
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}
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cxt.beginPath();
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cxt.moveTo(xpos(jj), (c == '^' ? h/2 : 0));
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cxt.lineTo(xpos(jj), h);
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lstroke(jj);
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if (c == 'o' || c == '^') {
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cxt.beginPath();
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cxt.arc(xpos(jj), h/2, 3, 0, 2 * Math.PI, true);
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fstroke(jj);
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}
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break;
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}
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}
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JX.DOM.setContent(nodes[ii], canvas);
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}
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});
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