mercurial.js
220 lines
| 5.2 KiB
| application/javascript
|
JavascriptLexer
|
r14046 | // mercurial.js - JavaScript utility functions | ||
// | ||||
// Rendering of branch DAGs on the client side | ||||
// Display of elapsed time | ||||
// | ||||
// Copyright 2008 Dirkjan Ochtman <dirkjan AT ochtman DOT nl> | ||||
// Copyright 2006 Alexander Schremmer <alex AT alexanderweb DOT de> | ||||
// | ||||
// derived from code written by Scott James Remnant <scott@ubuntu.com> | ||||
// Copyright 2005 Canonical Ltd. | ||||
// | ||||
// This software may be used and distributed according to the terms | ||||
// of the GNU General Public License, incorporated herein by reference. | ||||
var colors = [ | ||||
[ 1.0, 0.0, 0.0 ], | ||||
[ 1.0, 1.0, 0.0 ], | ||||
[ 0.0, 1.0, 0.0 ], | ||||
[ 0.0, 1.0, 1.0 ], | ||||
[ 0.0, 0.0, 1.0 ], | ||||
[ 1.0, 0.0, 1.0 ] | ||||
]; | ||||
function Graph() { | ||||
this.canvas = document.getElementById('graph'); | ||||
if (navigator.userAgent.indexOf('MSIE') >= 0) this.canvas = window.G_vmlCanvasManager.initElement(this.canvas); | ||||
this.ctx = this.canvas.getContext('2d'); | ||||
this.ctx.strokeStyle = 'rgb(0, 0, 0)'; | ||||
this.ctx.fillStyle = 'rgb(0, 0, 0)'; | ||||
this.cur = [0, 0]; | ||||
this.line_width = 3; | ||||
this.bg = [0, 4]; | ||||
this.cell = [2, 0]; | ||||
this.columns = 0; | ||||
this.revlink = ''; | ||||
this.scale = function(height) { | ||||
this.bg_height = height; | ||||
this.box_size = Math.floor(this.bg_height / 1.2); | ||||
this.cell_height = this.box_size; | ||||
} | ||||
function colorPart(num) { | ||||
num *= 255 | ||||
num = num < 0 ? 0 : num; | ||||
num = num > 255 ? 255 : num; | ||||
var digits = Math.round(num).toString(16); | ||||
if (num < 16) { | ||||
return '0' + digits; | ||||
} else { | ||||
return digits; | ||||
} | ||||
} | ||||
this.setColor = function(color, bg, fg) { | ||||
// Set the colour. | ||||
// | ||||
// Picks a distinct colour based on an internal wheel; the bg | ||||
// parameter provides the value that should be assigned to the 'zero' | ||||
// colours and the fg parameter provides the multiplier that should be | ||||
// applied to the foreground colours. | ||||
color %= colors.length; | ||||
var red = (colors[color][0] * fg) || bg; | ||||
var green = (colors[color][1] * fg) || bg; | ||||
var blue = (colors[color][2] * fg) || bg; | ||||
red = Math.round(red * 255); | ||||
green = Math.round(green * 255); | ||||
blue = Math.round(blue * 255); | ||||
var s = 'rgb(' + red + ', ' + green + ', ' + blue + ')'; | ||||
this.ctx.strokeStyle = s; | ||||
this.ctx.fillStyle = s; | ||||
return s; | ||||
} | ||||
this.render = function(data) { | ||||
var backgrounds = ''; | ||||
var nodedata = ''; | ||||
for (var i in data) { | ||||
var parity = i % 2; | ||||
this.cell[1] += this.bg_height; | ||||
this.bg[1] += this.bg_height; | ||||
var cur = data[i]; | ||||
var node = cur[1]; | ||||
var edges = cur[2]; | ||||
var fold = false; | ||||
for (var j in edges) { | ||||
line = edges[j]; | ||||
start = line[0]; | ||||
end = line[1]; | ||||
color = line[2]; | ||||
if (end > this.columns || start > this.columns) { | ||||
this.columns += 1; | ||||
} | ||||
if (start == this.columns && start > end) { | ||||
var fold = true; | ||||
} | ||||
x0 = this.cell[0] + this.box_size * start + this.box_size / 2; | ||||
y0 = this.bg[1] - this.bg_height / 2; | ||||
x1 = this.cell[0] + this.box_size * end + this.box_size / 2; | ||||
y1 = this.bg[1] + this.bg_height / 2; | ||||
this.edge(x0, y0, x1, y1, color); | ||||
} | ||||
// Draw the revision node in the right column | ||||
column = node[0] | ||||
color = node[1] | ||||
radius = this.box_size / 8; | ||||
x = this.cell[0] + this.box_size * column + this.box_size / 2; | ||||
y = this.bg[1] - this.bg_height / 2; | ||||
var add = this.vertex(x, y, color, parity, cur); | ||||
backgrounds += add[0]; | ||||
nodedata += add[1]; | ||||
if (fold) this.columns -= 1; | ||||
} | ||||
document.getElementById('nodebgs').innerHTML += backgrounds; | ||||
document.getElementById('graphnodes').innerHTML += nodedata; | ||||
} | ||||
} | ||||
process_dates = (function(document, RegExp, Math, isNaN, Date, _false, _true){ | ||||
// derived from code from mercurial/templatefilter.py | ||||
var scales = { | ||||
'year': 365 * 24 * 60 * 60, | ||||
'month': 30 * 24 * 60 * 60, | ||||
'week': 7 * 24 * 60 * 60, | ||||
'day': 24 * 60 * 60, | ||||
'hour': 60 * 60, | ||||
'minute': 60, | ||||
'second': 1 | ||||
}; | ||||
function format(count, string){ | ||||
var ret = count + ' ' + string; | ||||
if (count > 1){ | ||||
ret = ret + 's'; | ||||
} | ||||
return ret; | ||||
} | ||||
function age(datestr){ | ||||
var now = new Date(); | ||||
var once = new Date(datestr); | ||||
if (isNaN(once.getTime())){ | ||||
// parsing error | ||||
return datestr; | ||||
} | ||||
var delta = Math.floor((now.getTime() - once.getTime()) / 1000); | ||||
var future = _false; | ||||
if (delta < 0){ | ||||
future = _true; | ||||
delta = -delta; | ||||
if (delta > (30 * scales.year)){ | ||||
return "in the distant future"; | ||||
} | ||||
} | ||||
if (delta > (2 * scales.year)){ | ||||
return once.getFullYear() + '-' + once.getMonth() + '-' + once.getDate(); | ||||
} | ||||
for (unit in scales){ | ||||
var s = scales[unit]; | ||||
var n = Math.floor(delta / s); | ||||
if ((n >= 2) || (s == 1)){ | ||||
if (future){ | ||||
return format(n, unit) + ' from now'; | ||||
} else { | ||||
return format(n, unit) + ' ago'; | ||||
} | ||||
} | ||||
} | ||||
} | ||||
return function(){ | ||||
var nodes = document.getElementsByTagName('*'); | ||||
var ageclass = new RegExp('\\bage\\b'); | ||||
var dateclass = new RegExp('\\bdate\\b'); | ||||
for (var i=0; i<nodes.length; ++i){ | ||||
var node = nodes[i]; | ||||
var classes = node.className; | ||||
if (ageclass.test(classes)){ | ||||
var agevalue = age(node.textContent); | ||||
if (dateclass.test(classes)){ | ||||
// We want both: date + (age) | ||||
node.textContent += ' ('+agevalue+')'; | ||||
} else { | ||||
node.textContent = agevalue; | ||||
} | ||||
} | ||||
} | ||||
} | ||||
})(document, RegExp, Math, isNaN, Date, false, true) | ||||