debian-mirror-gitlab/app/assets/javascripts/network/branch_graph.js
2018-05-09 12:01:36 +05:30

348 lines
11 KiB
JavaScript

/* eslint-disable func-names, space-before-function-paren, no-var, wrap-iife, quotes, comma-dangle, one-var, one-var-declaration-per-line, no-mixed-operators, no-loop-func, no-floating-decimal, consistent-return, no-unused-vars, prefer-template, prefer-arrow-callback, camelcase, max-len */
import $ from 'jquery';
import { __ } from '../locale';
import axios from '../lib/utils/axios_utils';
import flash from '../flash';
import Raphael from './raphael';
export default (function() {
function BranchGraph(element1, options1) {
this.element = element1;
this.options = options1;
this.scrollTop = this.scrollTop.bind(this);
this.scrollBottom = this.scrollBottom.bind(this);
this.scrollRight = this.scrollRight.bind(this);
this.scrollLeft = this.scrollLeft.bind(this);
this.scrollUp = this.scrollUp.bind(this);
this.scrollDown = this.scrollDown.bind(this);
this.preparedCommits = {};
this.mtime = 0;
this.mspace = 0;
this.parents = {};
this.colors = ["#000"];
this.offsetX = 150;
this.offsetY = 20;
this.unitTime = 30;
this.unitSpace = 10;
this.prev_start = -1;
this.load();
}
BranchGraph.prototype.load = function() {
axios.get(this.options.url)
.then(({ data }) => {
$(".loading", this.element).hide();
this.prepareData(data.days, data.commits);
this.buildGraph();
})
.catch(() => __('Error fetching network graph.'));
};
BranchGraph.prototype.prepareData = function(days, commits) {
var c, ch, cw, j, len, ref;
this.days = days;
this.commits = commits;
this.collectParents();
this.graphHeight = $(this.element).height();
this.graphWidth = $(this.element).width();
ch = Math.max(this.graphHeight, this.offsetY + this.unitTime * this.mtime + 150);
cw = Math.max(this.graphWidth, this.offsetX + this.unitSpace * this.mspace + 300);
this.r = Raphael(this.element.get(0), cw, ch);
this.top = this.r.set();
this.barHeight = Math.max(this.graphHeight, this.unitTime * this.days.length + 320);
ref = this.commits;
for (j = 0, len = ref.length; j < len; j += 1) {
c = ref[j];
if (c.id in this.parents) {
c.isParent = true;
}
this.preparedCommits[c.id] = c;
this.markCommit(c);
}
return this.collectColors();
};
BranchGraph.prototype.collectParents = function() {
var c, j, len, p, ref, results;
ref = this.commits;
results = [];
for (j = 0, len = ref.length; j < len; j += 1) {
c = ref[j];
this.mtime = Math.max(this.mtime, c.time);
this.mspace = Math.max(this.mspace, c.space);
results.push((function() {
var l, len1, ref1, results1;
ref1 = c.parents;
results1 = [];
for (l = 0, len1 = ref1.length; l < len1; l += 1) {
p = ref1[l];
this.parents[p[0]] = true;
results1.push(this.mspace = Math.max(this.mspace, p[1]));
}
return results1;
}).call(this));
}
return results;
};
BranchGraph.prototype.collectColors = function() {
var k, results;
k = 0;
results = [];
while (k < this.mspace) {
this.colors.push(Raphael.getColor(.8));
// Skipping a few colors in the spectrum to get more contrast between colors
Raphael.getColor();
Raphael.getColor();
results.push(k += 1);
}
return results;
};
BranchGraph.prototype.buildGraph = function() {
var cuday, cumonth, day, j, len, mm, r, ref;
r = this.r;
cuday = 0;
cumonth = "";
r.rect(0, 0, 40, this.barHeight).attr({
fill: "#222"
});
r.rect(40, 0, 30, this.barHeight).attr({
fill: "#444"
});
ref = this.days;
for (mm = j = 0, len = ref.length; j < len; mm = (j += 1)) {
day = ref[mm];
if (cuday !== day[0] || cumonth !== day[1]) {
// Dates
r.text(55, this.offsetY + this.unitTime * mm, day[0]).attr({
font: "12px Monaco, monospace",
fill: "#BBB"
});
cuday = day[0];
}
if (cumonth !== day[1]) {
// Months
r.text(20, this.offsetY + this.unitTime * mm, day[1]).attr({
font: "12px Monaco, monospace",
fill: "#EEE"
});
cumonth = day[1];
}
}
this.renderPartialGraph();
return this.bindEvents();
};
BranchGraph.prototype.renderPartialGraph = function() {
var commit, end, i, isGraphEdge, start, x, y;
start = Math.floor((this.element.scrollTop() - this.offsetY) / this.unitTime) - 10;
if (start < 0) {
isGraphEdge = true;
start = 0;
}
end = start + 40;
if (this.commits.length < end) {
isGraphEdge = true;
end = this.commits.length;
}
if (this.prev_start === -1 || Math.abs(this.prev_start - start) > 10 || isGraphEdge) {
i = start;
this.prev_start = start;
while (i < end) {
commit = this.commits[i];
i += 1;
if (commit.hasDrawn !== true) {
x = this.offsetX + this.unitSpace * (this.mspace - commit.space);
y = this.offsetY + this.unitTime * commit.time;
this.drawDot(x, y, commit);
this.drawLines(x, y, commit);
this.appendLabel(x, y, commit);
this.appendAnchor(x, y, commit);
commit.hasDrawn = true;
}
}
return this.top.toFront();
}
};
BranchGraph.prototype.bindEvents = function() {
var element;
element = this.element;
return $(element).scroll((function(_this) {
return function(event) {
return _this.renderPartialGraph();
};
})(this));
};
BranchGraph.prototype.scrollDown = function() {
this.element.scrollTop(this.element.scrollTop() + 50);
return this.renderPartialGraph();
};
BranchGraph.prototype.scrollUp = function() {
this.element.scrollTop(this.element.scrollTop() - 50);
return this.renderPartialGraph();
};
BranchGraph.prototype.scrollLeft = function() {
this.element.scrollLeft(this.element.scrollLeft() - 50);
return this.renderPartialGraph();
};
BranchGraph.prototype.scrollRight = function() {
this.element.scrollLeft(this.element.scrollLeft() + 50);
return this.renderPartialGraph();
};
BranchGraph.prototype.scrollBottom = function() {
return this.element.scrollTop(this.element.find('svg').height());
};
BranchGraph.prototype.scrollTop = function() {
return this.element.scrollTop(0);
};
BranchGraph.prototype.appendLabel = function(x, y, commit) {
var label, r, rect, shortrefs, text, textbox, triangle;
if (!commit.refs) {
return;
}
r = this.r;
shortrefs = commit.refs;
// Truncate if longer than 15 chars
if (shortrefs.length > 17) {
shortrefs = shortrefs.substr(0, 15) + "…";
}
text = r.text(x + 4, y, shortrefs).attr({
"text-anchor": "start",
font: "10px Monaco, monospace",
fill: "#FFF",
title: commit.refs
});
textbox = text.getBBox();
// Create rectangle based on the size of the textbox
rect = r.rect(x, y - 7, textbox.width + 5, textbox.height + 5, 4).attr({
fill: "#000",
"fill-opacity": .5,
stroke: "none"
});
triangle = r.path(["M", x - 5, y, "L", x - 15, y - 4, "L", x - 15, y + 4, "Z"]).attr({
fill: "#000",
"fill-opacity": .5,
stroke: "none"
});
label = r.set(rect, text);
label.transform(["t", -rect.getBBox().width - 15, 0]);
// Set text to front
return text.toFront();
};
BranchGraph.prototype.appendAnchor = function(x, y, commit) {
var anchor, options, r, top;
r = this.r;
top = this.top;
options = this.options;
anchor = r.circle(x, y, 10).attr({
fill: "#000",
opacity: 0,
cursor: "pointer"
}).click(function() {
return window.open(options.commit_url.replace("%s", commit.id), "_blank");
}).hover(function() {
this.tooltip = r.commitTooltip(x + 5, y, commit);
return top.push(this.tooltip.insertBefore(this));
}, function() {
return this.tooltip && this.tooltip.remove() && delete this.tooltip;
});
return top.push(anchor);
};
BranchGraph.prototype.drawDot = function(x, y, commit) {
var avatar_box_x, avatar_box_y, r;
r = this.r;
r.circle(x, y, 3).attr({
fill: this.colors[commit.space],
stroke: "none"
});
avatar_box_x = this.offsetX + this.unitSpace * this.mspace + 10;
avatar_box_y = y - 10;
r.rect(avatar_box_x, avatar_box_y, 20, 20).attr({
stroke: this.colors[commit.space],
"stroke-width": 2
});
r.image(commit.author.icon, avatar_box_x, avatar_box_y, 20, 20);
return r.text(this.offsetX + this.unitSpace * this.mspace + 35, y, commit.message.split("\n")[0]).attr({
"text-anchor": "start",
font: "14px Monaco, monospace"
});
};
BranchGraph.prototype.drawLines = function(x, y, commit) {
var arrow, color, i, j, len, offset, parent, parentCommit, parentX1, parentX2, parentY, r, ref, results, route;
r = this.r;
ref = commit.parents;
results = [];
for (i = j = 0, len = ref.length; j < len; i = (j += 1)) {
parent = ref[i];
parentCommit = this.preparedCommits[parent[0]];
parentY = this.offsetY + this.unitTime * parentCommit.time;
parentX1 = this.offsetX + this.unitSpace * (this.mspace - parentCommit.space);
parentX2 = this.offsetX + this.unitSpace * (this.mspace - parent[1]);
// Set line color
if (parentCommit.space <= commit.space) {
color = this.colors[commit.space];
} else {
color = this.colors[parentCommit.space];
}
// Build line shape
if (parent[1] === commit.space) {
offset = [0, 5];
arrow = "l-2,5,4,0,-2,-5,0,5";
} else if (parent[1] < commit.space) {
offset = [3, 3];
arrow = "l5,0,-2,4,-3,-4,4,2";
} else {
offset = [-3, 3];
arrow = "l-5,0,2,4,3,-4,-4,2";
}
// Start point
route = ["M", x + offset[0], y + offset[1]];
// Add arrow if not first parent
if (i > 0) {
route.push(arrow);
}
// Circumvent if overlap
if (commit.space !== parentCommit.space || commit.space !== parent[1]) {
route.push("L", parentX2, y + 10, "L", parentX2, parentY - 5);
}
// End point
route.push("L", parentX1, parentY);
results.push(r.path(route).attr({
stroke: color,
"stroke-width": 2
}));
}
return results;
};
BranchGraph.prototype.markCommit = function(commit) {
var r, x, y;
if (commit.id === this.options.commit_id) {
r = this.r;
x = this.offsetX + this.unitSpace * (this.mspace - commit.space);
y = this.offsetY + this.unitTime * commit.time;
r.path(["M", x + 5, y, "L", x + 15, y + 4, "L", x + 15, y - 4, "Z"]).attr({
fill: "#000",
"fill-opacity": .5,
stroke: "none"
});
// Displayed in the center
return this.element.scrollTop(y - this.graphHeight / 2);
}
};
return BranchGraph;
})();