gitlabhq/vendor/assets/javascripts/branch-graph.js

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!function(){
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var BranchGraph = function(element, options){
this.element = element;
this.options = options;
this.preparedCommits = {};
this.mtime = 0;
this.mspace = 0;
this.parents = {};
this.colors = ["#000"];
this.load();
};
BranchGraph.prototype.load = function(){
$.ajax({
url: this.options.url,
method: 'get',
dataType: 'json',
success: $.proxy(function(data){
$('.loading', this.element).hide();
this.prepareData(data.days, data.commits);
this.buildGraph();
}, this)
});
};
BranchGraph.prototype.prepareData = function(days, commits){
this.days = days;
this.dayCount = days.length;
this.commits = commits;
this.commitCount = commits.length;
this.collectParents();
this.mtime += 4;
this.mspace += 10;
for (var i = 0; i < this.commitCount; i++) {
if (this.commits[i].id in this.parents) {
this.commits[i].isParent = true;
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}
this.preparedCommits[this.commits[i].id] = this.commits[i];
}
this.collectColors();
};
BranchGraph.prototype.collectParents = function(){
for (var i = 0; i < this.commitCount; i++) {
for (var j = 0, jj = this.commits[i].parents.length; j < jj; j++) {
this.parents[this.commits[i].parents[j][0]] = true;
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}
this.mtime = Math.max(this.mtime, this.commits[i].time);
this.mspace = Math.max(this.mspace, this.commits[i].space);
}
};
BranchGraph.prototype.collectColors = function(){
for (var k = 0; k < this.mspace; k++) {
this.colors.push(Raphael.getColor());
}
};
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BranchGraph.prototype.buildGraph = function(){
var graphWidth = $(this.element).width()
, ch = this.mspace * 20 + 20
, cw = Math.max(graphWidth, this.mtime * 20 + 20)
, r = Raphael(this.element.get(0), cw, ch)
, top = r.set()
, cuday = 0
, cumonth = ""
, offsetX = 20
, offsetY = 60
, barWidth = Math.max(graphWidth, this.dayCount * 20 + 80);
this.raphael = r;
r.rect(0, 0, barWidth, 20).attr({fill: "#222"});
r.rect(0, 20, barWidth, 20).attr({fill: "#444"});
for (mm = 0; mm < this.dayCount; mm++) {
if(this.days[mm] != null){
if(cuday != this.days[mm][0]){
// Dates
r.text(offsetX + mm * 20, 31, this.days[mm][0]).attr({
font: "12px Monaco, Arial",
fill: "#DDD"
});
cuday = this.days[mm][0];
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}
if(cumonth != this.days[mm][1]){
// Months
r.text(offsetX + mm * 20, 11, this.days[mm][1]).attr({
font: "12px Monaco, Arial",
fill: "#EEE"
});
cumonth = this.days[mm][1];
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}
}
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}
for (i = 0; i < this.commitCount; i++) {
var x = offsetX + 20 * this.commits[i].time
, y = offsetY + 20 * this.commits[i].space;
r.circle(x, y, 3).attr({
fill: this.colors[this.commits[i].space],
stroke: "none"
});
if (this.commits[i].refs != null && this.commits[i].refs != "") {
var longrefs = this.commits[i].refs
, shortrefs = this.commits[i].refs;
if (shortrefs.length > 15){
shortrefs = shortrefs.substr(0,13) + "...";
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}
var t = r.text(x+5, y+8, shortrefs).attr({
font: "12px Monaco, Arial",
fill: "#666",
title: longrefs,
cursor: "pointer",
rotation: "90"
});
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var textbox = t.getBBox();
t.translate(textbox.height/-4, textbox.width/2);
}
var c;
for (var j = 0, jj = this.commits[i].parents.length; j < jj; j++) {
c = this.preparedCommits[this.commits[i].parents[j][0]];
if (c) {
var cx = offsetX + 20 * c.time
, cy = offsetY + 20 * c.space;
if (c.space == this.commits[i].space) {
r.path([
"M", x, y,
"L", x - 20 * (c.time + 1), y
]).attr({
stroke: this.colors[c.space],
"stroke-width": 2
});
} else if (c.space < this.commits[i].space) {
r.path(["M", x - 5, y + .0001, "l-5-2,0,4,5,-2C", x - 5, y, x - 17, y + 2, x - 20, y - 5, "L", cx, y - 5, cx, cy])
.attr({
stroke: this.colors[this.commits[i].space],
"stroke-width": 2
});
} else {
r.path(["M", x - 3, y + 6, "l-4,3,4,2,0,-5L", x - 10, y + 20, "L", x - 10, cy, cx, cy])
.attr({
stroke: this.colors[c.space],
"stroke-width": 2
});
}
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}
}
this.appendAnchor(top, this.commits[i], x, y);
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}
top.toFront();
this.element.scrollLeft(cw);
this.bindEvents();
};
BranchGraph.prototype.bindEvents = function(){
var drag = {}
, element = this.element;
var dragger = function(event){
element.scrollLeft(drag.sl - (event.clientX - drag.x));
element.scrollTop(drag.st - (event.clientY - drag.y));
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};
element.on({
mousedown: function (event) {
drag = {
x: event.clientX,
y: event.clientY,
st: element.scrollTop(),
sl: element.scrollLeft()
};
$(window).on('mousemove', dragger);
}
});
$(window).on({
mouseup: function(){
//bars.animate({opacity: 0}, 300);
$(window).off('mousemove', dragger);
},
keydown: function(event){
if(event.keyCode == 37){
// left
element.scrollLeft( element.scrollLeft() - 50);
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}
if(event.keyCode == 38){
// top
element.scrollTop( element.scrollTop() - 50);
}
if(event.keyCode == 39){
// right
element.scrollLeft( element.scrollLeft() + 50);
}
if(event.keyCode == 40){
// bottom
element.scrollTop( element.scrollTop() + 50);
}
}
});
};
BranchGraph.prototype.appendAnchor = function(top, c, x, y) {
var r = this.raphael
, options = this.options
, anchor;
anchor = r.circle(x, y, 10).attr({
fill: "#000",
opacity: 0,
cursor: "pointer"
})
.click(function(){
window.location = options.commit_url.replace('%s', c.id);
})
.hover(function(){
var text = r.text(100, 100, c.author + "\n \n" + c.id + "\n \n" + c.message).attr({
fill: "#fff"
});
this.popup = r.tooltip(x, y + 5, text, 0);
top.push(this.popup.insertBefore(this));
}, function(){
this.popup && this.popup.remove() && delete this.popup;
});
top.push(anchor);
};
this.BranchGraph = BranchGraph;
}(this);
Raphael.fn.tooltip = function (x, y, set, dir, size) {
dir = dir == null ? 2 : dir;
size = size || 5;
x = Math.round(x);
y = Math.round(y);
var mmax = Math.max
, bb = set.getBBox()
, w = Math.round(bb.width / 2)
, h = Math.round(bb.height / 2)
, dx = [0, w + size * 2, 0, -w - size * 2]
, dy = [-h * 2 - size * 3, -h - size, 0, -h - size]
, p = ["M", x - dx[dir], y - dy[dir], "l", -size, (dir == 2) * -size, -mmax(w - size, 0), 0, "a", size, size, 0, 0, 1, -size, -size,
"l", 0, -mmax(h - size, 0), (dir == 3) * -size, -size, (dir == 3) * size, -size, 0, -mmax(h - size, 0), "a", size, size, 0, 0, 1, size, -size,
"l", mmax(w - size, 0), 0, size, !dir * -size, size, !dir * size, mmax(w - size, 0), 0, "a", size, size, 0, 0, 1, size, size,
"l", 0, mmax(h - size, 0), (dir == 1) * size, size, (dir == 1) * -size, size, 0, mmax(h - size, 0), "a", size, size, 0, 0, 1, -size, size,
"l", -mmax(w - size, 0), 0, "z"].join(",")
, xy = [{x: x, y: y + size * 2 + h}, {x: x - size * 2 - w, y: y}, {x: x, y: y - size * 2 - h}, {x: x + size * 2 + w, y: y}][dir];
set.translate(xy.x - w - bb.x, xy.y - h - bb.y);
return this.set(this.path(p).attr({fill: "#234", stroke: "none"}).insertBefore(set.node ? set : set[0]), set);
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};