385 lines
9.8 KiB
JavaScript
385 lines
9.8 KiB
JavaScript
!function(){
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var BranchGraph = function(element, options){
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this.element = element;
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this.options = options;
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this.preparedCommits = {};
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this.mtime = 0;
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this.mspace = 0;
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this.parents = {};
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this.colors = ["#000"];
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this.load();
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};
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BranchGraph.prototype.load = function(){
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$.ajax({
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url: this.options.url,
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method: 'get',
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dataType: 'json',
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success: $.proxy(function(data){
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$('.loading', this.element).hide();
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this.prepareData(data.days, data.commits);
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this.buildGraph();
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}, this)
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});
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};
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BranchGraph.prototype.prepareData = function(days, commits){
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this.days = days;
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this.dayCount = days.length;
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this.commits = commits;
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this.commitCount = commits.length;
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this.collectParents();
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this.mtime += 4;
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this.mspace += 10;
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for (var i = 0; i < this.commitCount; i++) {
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if (this.commits[i].id in this.parents) {
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this.commits[i].isParent = true;
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}
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this.preparedCommits[this.commits[i].id] = this.commits[i];
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}
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this.collectColors();
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};
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BranchGraph.prototype.collectParents = function(){
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for (var i = 0; i < this.commitCount; i++) {
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for (var j = 0, jj = this.commits[i].parents.length; j < jj; j++) {
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this.parents[this.commits[i].parents[j][0]] = true;
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}
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this.mtime = Math.max(this.mtime, this.commits[i].time);
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this.mspace = Math.max(this.mspace, this.commits[i].space);
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}
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};
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BranchGraph.prototype.collectColors = function(){
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for (var k = 0; k < this.mspace; k++) {
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this.colors.push(Raphael.getColor(.8));
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// Skipping a few colors in the spectrum to get more contrast between colors
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Raphael.getColor();Raphael.getColor();
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}
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};
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BranchGraph.prototype.buildGraph = function(){
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var graphWidth = $(this.element).width()
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, ch = this.mspace * 20 + 100
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, cw = Math.max(graphWidth, this.mtime * 20 + 260)
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, r = Raphael(this.element.get(0), cw, ch)
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, top = r.set()
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, cuday = 0
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, cumonth = ""
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, offsetX = 20
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, offsetY = 60
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, barWidth = Math.max(graphWidth, this.dayCount * 20 + 320)
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, scrollLeft = cw;
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this.raphael = r;
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r.rect(0, 0, barWidth, 20).attr({fill: "#222"});
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r.rect(0, 20, barWidth, 20).attr({fill: "#444"});
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for (mm = 0; mm < this.dayCount; mm++) {
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if(this.days[mm] != null){
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if(cuday != this.days[mm][0]){
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// Dates
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r.text(offsetX + mm * 20, 31, this.days[mm][0]).attr({
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font: "12px Monaco, monospace",
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fill: "#DDD"
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});
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cuday = this.days[mm][0];
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}
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if(cumonth != this.days[mm][1]){
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// Months
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r.text(offsetX + mm * 20, 11, this.days[mm][1]).attr({
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font: "12px Monaco, monospace",
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fill: "#EEE"
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});
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cumonth = this.days[mm][1];
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}
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}
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}
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for (i = 0; i < this.commitCount; i++) {
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var x = offsetX + 20 * this.commits[i].time
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, y = offsetY + 10 * this.commits[i].space
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, c
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, ps;
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// Draw dot
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r.circle(x, y, 3).attr({
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fill: this.colors[this.commits[i].space],
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stroke: "none"
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});
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// Draw lines
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for (var j = 0, jj = this.commits[i].parents.length; j < jj; j++) {
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c = this.preparedCommits[this.commits[i].parents[j][0]];
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ps = this.commits[i].parent_spaces[j];
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if (c) {
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var cx = offsetX + 20 * c.time
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, cy = offsetY + 10 * c.space
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, psy = offsetY + 10 * ps;
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if (c.space == this.commits[i].space && c.space == ps) {
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r.path([
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"M", x, y,
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"L", cx, cy
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]).attr({
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stroke: this.colors[c.space],
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"stroke-width": 2
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});
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} else if (c.space < this.commits[i].space) {
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r.path([
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"M", x - 5, y,
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"l-5-2,0,4,5,-2",
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"L", x - 10, y,
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"L", x - 15, psy,
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"L", cx + 5, psy,
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"L", cx, cy])
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.attr({
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stroke: this.colors[this.commits[i].space],
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"stroke-width": 2
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});
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} else {
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r.path([
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"M", x - 3, y + 6,
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"l-4,3,4,2,0,-5",
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"L", x - 5, y + 10,
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"L", x - 10, psy,
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"L", cx + 5, psy,
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"L", cx, cy])
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.attr({
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stroke: this.colors[c.space],
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"stroke-width": 2
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});
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}
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}
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}
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if (this.commits[i].refs) {
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this.appendLabel(x, y, this.commits[i].refs);
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}
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// mark commit and displayed in the center
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if (this.commits[i].id == this.options.commit_id) {
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r.path([
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'M', x, y - 5,
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'L', x + 4, y - 15,
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'L', x - 4, y - 15,
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'Z'
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]).attr({
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"fill": "#000",
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"fill-opacity": .7,
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"stroke": "none"
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});
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scrollLeft = x - graphWidth / 2;
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}
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this.appendAnchor(top, this.commits[i], x, y);
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}
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top.toFront();
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this.element.scrollLeft(scrollLeft);
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this.bindEvents();
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};
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BranchGraph.prototype.bindEvents = function(){
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var drag = {}
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, element = this.element;
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var dragger = function(event){
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element.scrollLeft(drag.sl - (event.clientX - drag.x));
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element.scrollTop(drag.st - (event.clientY - drag.y));
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};
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element.on({
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mousedown: function (event) {
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drag = {
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x: event.clientX,
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y: event.clientY,
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st: element.scrollTop(),
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sl: element.scrollLeft()
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};
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$(window).on('mousemove', dragger);
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}
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});
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$(window).on({
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mouseup: function(){
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//bars.animate({opacity: 0}, 300);
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$(window).off('mousemove', dragger);
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},
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keydown: function(event){
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if(event.keyCode == 37){
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// left
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element.scrollLeft( element.scrollLeft() - 50);
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}
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if(event.keyCode == 38){
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// top
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element.scrollTop( element.scrollTop() - 50);
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}
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if(event.keyCode == 39){
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// right
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element.scrollLeft( element.scrollLeft() + 50);
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}
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if(event.keyCode == 40){
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// bottom
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element.scrollTop( element.scrollTop() + 50);
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}
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}
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});
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};
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BranchGraph.prototype.appendLabel = function(x, y, refs){
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var r = this.raphael
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, shortrefs = refs
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, text, textbox, rect;
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if (shortrefs.length > 17){
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// Truncate if longer than 15 chars
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shortrefs = shortrefs.substr(0,15) + "…";
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}
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text = r.text(x+5, y+8 + 10, shortrefs).attr({
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font: "10px Monaco, monospace",
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fill: "#FFF",
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title: refs
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});
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textbox = text.getBBox();
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text.transform([
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't', textbox.height/-4, textbox.width/2 + 5,
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'r90'
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]);
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// Create rectangle based on the size of the textbox
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rect = r.rect(x, y, textbox.width + 15, textbox.height + 5, 4).attr({
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"fill": "#000",
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"fill-opacity": .7,
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"stroke": "none"
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});
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triangle = r.path([
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'M', x, y + 5,
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'L', x + 4, y + 15,
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'L', x - 4, y + 15,
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'Z'
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]).attr({
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"fill": "#000",
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"fill-opacity": .7,
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"stroke": "none"
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});
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// Rotate and reposition rectangle over text
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rect.transform([
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'r', 90, x, y,
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't', 15, -9
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]);
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// Set text to front
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text.toFront();
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};
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BranchGraph.prototype.appendAnchor = function(top, commit, x, y) {
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var r = this.raphael
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, options = this.options
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, anchor;
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anchor = r.circle(x, y, 10).attr({
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fill: "#000",
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opacity: 0,
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cursor: "pointer"
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})
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.click(function(){
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window.open(options.commit_url.replace('%s', commit.id), '_blank');
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})
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.hover(function(){
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this.tooltip = r.commitTooltip(x, y + 5, commit);
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top.push(this.tooltip.insertBefore(this));
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}, function(){
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this.tooltip && this.tooltip.remove() && delete this.tooltip;
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});
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top.push(anchor);
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};
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this.BranchGraph = BranchGraph;
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}(this);
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Raphael.fn.commitTooltip = function(x, y, commit){
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var nameText, idText, messageText
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, boxWidth = 300
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, boxHeight = 200;
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nameText = this.text(x, y + 10, commit.author.name);
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idText = this.text(x, y + 35, commit.id);
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messageText = this.text(x, y + 50, commit.message);
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textSet = this.set(nameText, idText, messageText).attr({
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"text-anchor": "start",
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"font": "12px Monaco, monospace"
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});
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nameText.attr({
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"font": "14px Arial",
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"font-weight": "bold"
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});
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idText.attr({
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"fill": "#AAA"
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});
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textWrap(messageText, boxWidth - 50);
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var rect = this.rect(x - 10, y - 10, boxWidth, 100, 4).attr({
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"fill": "#FFF",
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"stroke": "#000",
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"stroke-linecap": "round",
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"stroke-width": 2
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});
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var tooltip = this.set(rect, textSet);
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rect.attr({
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"height" : tooltip.getBBox().height + 10,
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"width" : tooltip.getBBox().width + 10
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});
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tooltip.transform([
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't', 20, 20
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]);
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return tooltip;
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};
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function textWrap(t, width) {
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var content = t.attr("text");
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var abc = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
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t.attr({
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"text" : abc
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});
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var letterWidth = t.getBBox().width / abc.length;
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t.attr({
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"text" : content
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});
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var words = content.split(" ");
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var x = 0, s = [];
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for ( var i = 0; i < words.length; i++) {
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var l = words[i].length;
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if (x + (l * letterWidth) > width) {
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s.push("\n");
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x = 0;
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}
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x += l * letterWidth;
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s.push(words[i] + " ");
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}
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t.attr({
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"text" : s.join("")
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});
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var b = t.getBBox()
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, h = Math.abs(b.y2) - Math.abs(b.y) + 1;
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t.attr({
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"y": b.y + h
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});
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}
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