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Support different colors for each branch

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This commit is contained in:
Raghu Rajagopalan
2016-04-27 09:27:56 +05:30
parent 6a674a0a40
commit 4e26b8e645
1 changed files with 34 additions and 26 deletions
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60
src/diagrams/gitGraph/gitGraphRenderer.js
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@@ -9,10 +9,14 @@ var allCommitsDict = {};
var branchNum; var branchNum;
var config = { var config = {
nodeSpacing: 75, nodeSpacing: 75,
nodeFillColor: 'yellow',
nodeStrokeWidth: 2,
nodeStrokeColor: 'grey',
lineStrokeWidth: 4, lineStrokeWidth: 4,
branchOffset: 50, branchOffset: 50,
lineColor: 'grey', lineColor: 'grey',
leftMargin: 50, leftMargin: 50,
branchColors: ['#442f74', '#983351', '#609732', '#AA9A39'],
nodeRadius: 15, nodeRadius: 15,
nodeLabel: { nodeLabel: {
width: 75, width: 75,
@@ -49,8 +53,9 @@ function svgCreateDefs(svg) {
} }
function svgDrawLine(svg, points, interpolate) { function svgDrawLine(svg, points, colorIdx, interpolate) {
interpolate = interpolate || 'basis'; interpolate = interpolate || 'basis';
var color = config.branchColors[colorIdx % config.branchColors.length];
var lineGen = d3.svg.line() var lineGen = d3.svg.line()
.x(function(d) { .x(function(d) {
return Math.round(d.x) return Math.round(d.x)
@@ -63,7 +68,7 @@ function svgDrawLine(svg, points, interpolate) {
svg svg
.append('svg:path') .append('svg:path')
.attr('d', lineGen(points)) .attr('d', lineGen(points))
.style('stroke', config.lineColor) .style('stroke', color)
.style('stroke-width', config.lineStrokeWidth) .style('stroke-width', config.lineStrokeWidth)
.style('fill', 'none'); .style('fill', 'none');
} }
@@ -82,22 +87,25 @@ function getElementCoords(element, coords) {
}; };
} }
function svgDrawLineForCommits(svg, fromId, toId, direction) { function svgDrawLineForCommits(svg, fromId, toId, direction, color) {
log.debug('svgDrawLineForCommits: ', fromId, toId); log.debug('svgDrawLineForCommits: ', fromId, toId);
var fromBbox = getElementCoords(svg.select('#node-' + fromId + ' circle')); var fromBbox = getElementCoords(svg.select('#node-' + fromId + ' circle'));
var toBbox = getElementCoords(svg.select('#node-' + toId + ' circle')); var toBbox = getElementCoords(svg.select('#node-' + toId + ' circle'));
//log.debug('svgDrawLineForCommits: ', fromBbox, toBbox); //log.debug('svgDrawLineForCommits: ', fromBbox, toBbox);
switch (direction) { switch (direction) {
case 'LR': case 'LR':
// (toBbox)
// +--------
// + (fromBbox)
if (fromBbox.left - toBbox.left > config.nodeSpacing) { if (fromBbox.left - toBbox.left > config.nodeSpacing) {
var lineStart = { x: fromBbox.left - config.nodeSpacing, y: toBbox.top + toBbox.height/2}; var lineStart = { x: fromBbox.left - config.nodeSpacing, y: toBbox.top + toBbox.height/2};
var lineEnd ={ x: toBbox.left + toBbox.width, y: toBbox.top + toBbox.height/2 }; var lineEnd ={ x: toBbox.left + toBbox.width, y: toBbox.top + toBbox.height/2 };
svgDrawLine(svg, [lineStart , lineEnd], 'linear') svgDrawLine(svg, [lineStart , lineEnd], color, 'linear')
svgDrawLine(svg, [ svgDrawLine(svg, [
{x: fromBbox.left, y: fromBbox.top + fromBbox.height/2}, {x: fromBbox.left, y: fromBbox.top + fromBbox.height/2},
{x: fromBbox.left - config.nodeSpacing/2, y: fromBbox.top + fromBbox.height/2}, {x: fromBbox.left - config.nodeSpacing/2, y: fromBbox.top + fromBbox.height/2},
{x: fromBbox.left - config.nodeSpacing/2, y: lineStart.y}, {x: fromBbox.left - config.nodeSpacing/2, y: lineStart.y},
lineStart]); lineStart], color);
} else { } else {
svgDrawLine(svg, [{ svgDrawLine(svg, [{
'x': fromBbox.left, 'x': fromBbox.left,
@@ -111,7 +119,7 @@ function svgDrawLineForCommits(svg, fromId, toId, direction) {
}, { }, {
'x': toBbox.left + toBbox.width, 'x': toBbox.left + toBbox.width,
'y': toBbox.top + toBbox.height / 2 'y': toBbox.top + toBbox.height / 2
}]); }], color);
} }
break; break;
case 'BT': case 'BT':
@@ -122,12 +130,12 @@ function svgDrawLineForCommits(svg, fromId, toId, direction) {
if (toBbox.top - fromBbox.top > config.nodeSpacing) { if (toBbox.top - fromBbox.top > config.nodeSpacing) {
lineStart = { x: toBbox.left + toBbox.width/2, y: fromBbox.top + fromBbox.height + config.nodeSpacing}; lineStart = { x: toBbox.left + toBbox.width/2, y: fromBbox.top + fromBbox.height + config.nodeSpacing};
lineEnd ={ x: toBbox.left + toBbox.width/2, y: toBbox.top }; lineEnd ={ x: toBbox.left + toBbox.width/2, y: toBbox.top };
svgDrawLine(svg, [lineStart , lineEnd], 'linear') svgDrawLine(svg, [lineStart , lineEnd], color, 'linear')
svgDrawLine(svg, [ svgDrawLine(svg, [
{x: fromBbox.left + fromBbox.width/2, y: fromBbox.top + fromBbox.height}, {x: fromBbox.left + fromBbox.width/2, y: fromBbox.top + fromBbox.height},
{x: fromBbox.left + fromBbox.width/2, y: fromBbox.top + fromBbox.height + config.nodeSpacing/2}, {x: fromBbox.left + fromBbox.width/2, y: fromBbox.top + fromBbox.height + config.nodeSpacing/2},
{x: toBbox.left + toBbox.width/2, y: lineStart.y - config.nodeSpacing/2}, {x: toBbox.left + toBbox.width/2, y: lineStart.y - config.nodeSpacing/2},
lineStart]); lineStart], color);
} else { } else {
svgDrawLine(svg, [{ svgDrawLine(svg, [{
'x': fromBbox.left + fromBbox.width/2, 'x': fromBbox.left + fromBbox.width/2,
@@ -141,7 +149,7 @@ function svgDrawLineForCommits(svg, fromId, toId, direction) {
}, { }, {
'x': toBbox.left + toBbox.width/2, 'x': toBbox.left + toBbox.width/2,
'y': toBbox.top 'y': toBbox.top
}]); }], color);
} }
break; break;
} }
@@ -179,9 +187,9 @@ function renderCommitHistory(svg, commitid, branches, direction) {
+ ((numCommits - commit.seq) * config.nodeSpacing) + ')'; + ((numCommits - commit.seq) * config.nodeSpacing) + ')';
} }
}) })
.attr('fill', 'yellow') .attr('fill', config.nodeFillColor)
.attr('stroke', 'grey') .attr('stroke', config.nodeStrokeColor)
.attr('stroke-width', '2'); .attr('stroke-width', config.nodeStrokeWidth);
svg.select('#node-' + commit.id + ' p') svg.select('#node-' + commit.id + ' p')
.text(commit.id); .text(commit.id);
@@ -207,15 +215,18 @@ function renderCommitHistory(svg, commitid, branches, direction) {
} }
} }
function renderLines(svg, commit, direction) { function renderLines(svg, commit, direction, branchColor) {
while (commit.seq > 0) { branchColor = branchColor || 0;
while (commit.seq > 0 && !commit.lineDrawn) {
if (_.isString(commit.parent)) { if (_.isString(commit.parent)) {
svgDrawLineForCommits(svg, commit.id, commit.parent, direction); svgDrawLineForCommits(svg, commit.id, commit.parent, direction, branchColor);
commit.lineDrawn = true;
commit = allCommitsDict[commit.parent]; commit = allCommitsDict[commit.parent];
} else if (_.isArray(commit.parent)) { } else if (_.isArray(commit.parent)) {
svgDrawLineForCommits(svg, commit.id, commit.parent[0], direction) svgDrawLineForCommits(svg, commit.id, commit.parent[0], direction, branchColor)
svgDrawLineForCommits(svg, commit.id, commit.parent[1], direction) svgDrawLineForCommits(svg, commit.id, commit.parent[1], direction, branchColor + 1)
renderLines(svg, allCommitsDict[commit.parent[1]], direction); renderLines(svg, allCommitsDict[commit.parent[1]], direction, branchColor + 1);
commit.lineDrawn = true;
commit = allCommitsDict[commit.parent[0]]; commit = allCommitsDict[commit.parent[0]];
} }
} }
@@ -234,12 +245,12 @@ exports.draw = function(txt, id, ver) {
config = _.extend(config, apiConfig, db.getOptions()); config = _.extend(config, apiConfig, db.getOptions());
log.debug('effective options', config); log.debug('effective options', config);
var direction = db.getDirection(); var direction = db.getDirection();
if (direction === 'BT') {
config.nodeLabel.x += 200;
config.nodeLabel.y = -1 * 2* config.nodeRadius;
}
allCommitsDict = db.getCommits(); allCommitsDict = db.getCommits();
var branches = db.getBranchesAsObjArray(); var branches = db.getBranchesAsObjArray();
if (direction === 'BT') {
config.nodeLabel.x = branches.length * config.branchOffset;
config.nodeLabel.y = -1 * 2* config.nodeRadius;
}
var svg = d3.select('#' + id); var svg = d3.select('#' + id);
svgCreateDefs(svg); svgCreateDefs(svg);
branchNum = 1; branchNum = 1;
@@ -247,10 +258,7 @@ exports.draw = function(txt, id, ver) {
renderCommitHistory(svg, v.commit.id, branches, direction); renderCommitHistory(svg, v.commit.id, branches, direction);
renderLines(svg, v.commit, direction); renderLines(svg, v.commit, direction);
branchNum++; branchNum++;
}) });
//svg.attr('height', 2500);
//svg.attr('width', 2500);
} catch (e) { } catch (e) {
log.error('Error while rendering gitgraph'); log.error('Error while rendering gitgraph');
log.error(e.message); log.error(e.message);