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better merge commit tree layout algorithm

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This commit is contained in:
Peter Cottle 2012-10-25 12:30:09 -07:00
parent 647bba9903
commit 385e3be236
2 changed files with 17 additions and 6 deletions
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7
src/git.js
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@ -1070,6 +1070,8 @@ GitEngine.prototype.merge = function(targetSource, currentLocation) {
var msg = 'Merge ' + this.resolveName(targetSource) +
' into ' + this.resolveName(currentLocation);
// since we specify parent 1 as the first parent, it is the "main" parent
// and the node will be displayed below that branch / commit / whatever
var commit = this.makeCommit(
[parent1, parent2],
null,
@ -1493,6 +1495,11 @@ var Commit = Backbone.Model.extend({
gitVisuals.addEdge(this.get('id'), parent.get('id'));
},
isMainParent: function(parent) {
var index = this.get('parents').indexOf(parent);
return index === 0;
},
initialize: function() {
this.validateAtInit();
this.addNodeToVisuals();

12
src/visuals.js
View file

@ -279,8 +279,12 @@ GitVisuals.prototype.calcWidth = function() {
GitVisuals.prototype.maxWidthRecursive = function(commit) {
var childrenTotalWidth = 0;
_.each(commit.get('children'), function(child) {
// only include this if we are the "main" parent of
// this child
if (child.isMainParent(commit)) {
var childWidth = this.maxWidthRecursive(child);
childrenTotalWidth += childWidth;
}
}, this);
var maxWidth = Math.max(1, childrenTotalWidth);
@ -326,7 +330,7 @@ GitVisuals.prototype.calcDepth = function() {
var maxDepth = this.calcDepthRecursive(this.rootCommit, 0);
if (maxDepth > 15) {
// issue warning
// TODO
console.warn('graphics are degrading from too many layers');
}
var depthIncrement = this.getDepthIncrement(maxDepth);
@ -405,10 +409,10 @@ GitVisuals.prototype.calcDepthRecursive = function(commit, depth) {
var children = commit.get('children');
var maxDepth = depth;
for (var i = 0; i < children.length; i++) {
var d = this.calcDepthRecursive(children[i], depth + 1);
_.each(children, function(child) {
var d = this.calcDepthRecursive(child, depth + 1);
maxDepth = Math.max(d, maxDepth);
}
}, this);
return maxDepth;
// TODO for merge commits, a specific fancy schamncy "main" commit line