mercurial.js
431 lines
| 11.8 KiB
| application/javascript
|
JavascriptLexer
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r14046 | // mercurial.js - JavaScript utility functions | ||
// | ||||
// Rendering of branch DAGs on the client side | ||||
// Display of elapsed time | ||||
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r14571 | // Show or hide diffstat | ||
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r14046 | // | ||
// 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() { | ||||
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r19530 | |||
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r14046 | this.canvas = document.getElementById('graph'); | ||
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r17694 | if (window.G_vmlCanvasManager) this.canvas = window.G_vmlCanvasManager.initElement(this.canvas); | ||
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r14046 | 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 = ''; | ||||
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r19530 | |||
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r19780 | this.reset = function() { | ||
this.bg = [0, 4]; | ||||
this.cell = [2, 0]; | ||||
this.columns = 0; | ||||
document.getElementById('nodebgs').innerHTML = ''; | ||||
document.getElementById('graphnodes').innerHTML = ''; | ||||
} | ||||
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r14046 | this.scale = function(height) { | ||
this.bg_height = height; | ||||
this.box_size = Math.floor(this.bg_height / 1.2); | ||||
this.cell_height = this.box_size; | ||||
} | ||||
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r19530 | |||
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r14046 | this.setColor = function(color, bg, fg) { | ||
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r19530 | |||
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r14046 | // Set the colour. | ||
// | ||||
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r16138 | // If color is a string, expect an hexadecimal RGB | ||
// value and apply it unchanged. If color is a number, | ||||
// pick 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. | ||||
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r16130 | var s; | ||
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r16138 | if(typeof color == "string") { | ||
s = "#" + color; | ||||
} else { //typeof color == "number" | ||||
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r16130 | 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); | ||||
s = 'rgb(' + red + ', ' + green + ', ' + blue + ')'; | ||||
} | ||||
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r14046 | this.ctx.strokeStyle = s; | ||
this.ctx.fillStyle = s; | ||||
return s; | ||||
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r19530 | |||
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r14046 | } | ||
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r16138 | this.edge = function(x0, y0, x1, y1, color, width) { | ||
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r19530 | |||
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r16137 | this.setColor(color, 0.0, 0.65); | ||
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r16138 | if(width >= 0) | ||
this.ctx.lineWidth = width; | ||||
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r16137 | this.ctx.beginPath(); | ||
this.ctx.moveTo(x0, y0); | ||||
this.ctx.lineTo(x1, y1); | ||||
this.ctx.stroke(); | ||||
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r19530 | |||
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r16137 | } | ||
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r14046 | this.render = function(data) { | ||
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r19530 | |||
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r14046 | var backgrounds = ''; | ||
var nodedata = ''; | ||||
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r19530 | |||
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r14046 | for (var i in data) { | ||
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r19530 | |||
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r14046 | var parity = i % 2; | ||
this.cell[1] += this.bg_height; | ||||
this.bg[1] += this.bg_height; | ||||
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r19530 | |||
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r14046 | var cur = data[i]; | ||
var node = cur[1]; | ||||
var edges = cur[2]; | ||||
var fold = false; | ||||
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r19530 | |||
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r16138 | var prevWidth = this.ctx.lineWidth; | ||
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r14046 | for (var j in edges) { | ||
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r19530 | |||
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r14046 | line = edges[j]; | ||
start = line[0]; | ||||
end = line[1]; | ||||
color = line[2]; | ||||
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r16138 | var width = line[3]; | ||
if(width < 0) | ||||
width = prevWidth; | ||||
var branchcolor = line[4]; | ||||
if(branchcolor) | ||||
color = branchcolor; | ||||
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r19530 | |||
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r14046 | if (end > this.columns || start > this.columns) { | ||
this.columns += 1; | ||||
} | ||||
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r19530 | |||
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r14046 | if (start == this.columns && start > end) { | ||
var fold = true; | ||||
} | ||||
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r19530 | |||
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r14046 | 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; | ||||
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r19530 | |||
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r16138 | this.edge(x0, y0, x1, y1, color, width); | ||
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r19530 | |||
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r14046 | } | ||
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r16138 | this.ctx.lineWidth = prevWidth; | ||
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r19530 | |||
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r14046 | // Draw the revision node in the right column | ||
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r19530 | |||
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r14046 | column = node[0] | ||
color = node[1] | ||||
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r19530 | |||
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r14046 | 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]; | ||||
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r19530 | |||
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r14046 | if (fold) this.columns -= 1; | ||
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r19530 | |||
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r14046 | } | ||
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r19530 | |||
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r14046 | document.getElementById('nodebgs').innerHTML += backgrounds; | ||
document.getElementById('graphnodes').innerHTML += nodedata; | ||||
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r19530 | |||
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r14046 | } | ||
} | ||||
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r19858 | function process_dates(parentSelector){ | ||
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r14046 | |||
// 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'; | ||||
} | ||||
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r14881 | return ret; | ||
} | ||||
function shortdate(date){ | ||||
var ret = date.getFullYear() + '-'; | ||||
// getMonth() gives a 0-11 result | ||||
var month = date.getMonth() + 1; | ||||
if (month <= 9){ | ||||
ret += '0' + month; | ||||
} else { | ||||
ret += month; | ||||
} | ||||
ret += '-'; | ||||
var day = date.getDate(); | ||||
if (day <= 9){ | ||||
ret += '0' + day; | ||||
} else { | ||||
ret += day; | ||||
} | ||||
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r14046 | return ret; | ||
} | ||||
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r14881 | function age(datestr){ | ||
var now = new Date(); | ||||
var once = new Date(datestr); | ||||
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r14046 | if (isNaN(once.getTime())){ | ||
// parsing error | ||||
return datestr; | ||||
} | ||||
var delta = Math.floor((now.getTime() - once.getTime()) / 1000); | ||||
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r19834 | var future = false; | ||
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r14046 | if (delta < 0){ | ||
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r19834 | future = true; | ||
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r14046 | delta = -delta; | ||
if (delta > (30 * scales.year)){ | ||||
return "in the distant future"; | ||||
} | ||||
} | ||||
if (delta > (2 * scales.year)){ | ||||
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r14881 | return shortdate(once); | ||
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r14046 | } | ||
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'; | ||||
} | ||||
} | ||||
} | ||||
} | ||||
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r19858 | var nodes = document.querySelectorAll((parentSelector || '') + ' .age'); | ||
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r19834 | var dateclass = new RegExp('\\bdate\\b'); | ||
for (var i=0; i<nodes.length; ++i){ | ||||
var node = nodes[i]; | ||||
var classes = node.className; | ||||
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r19857 | var agevalue = age(node.textContent); | ||
if (dateclass.test(classes)){ | ||||
// We want both: date + (age) | ||||
node.textContent += ' ('+agevalue+')'; | ||||
} else { | ||||
node.title = node.textContent; | ||||
node.textContent = agevalue; | ||||
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r14046 | } | ||
} | ||||
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r19834 | } | ||
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r14571 | |||
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r19428 | function toggleDiffstat() { | ||
var curdetails = document.getElementById('diffstatdetails').style.display; | ||||
var curexpand = curdetails == 'none' ? 'inline' : 'none'; | ||||
document.getElementById('diffstatdetails').style.display = curexpand; | ||||
document.getElementById('diffstatexpand').style.display = curdetails; | ||||
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r14571 | } | ||
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r19430 | |||
function toggleLinewrap() { | ||||
function getLinewrap() { | ||||
var nodes = document.getElementsByClassName('sourcelines'); | ||||
// if there are no such nodes, error is thrown here | ||||
return nodes[0].classList.contains('wrap'); | ||||
} | ||||
function setLinewrap(enable) { | ||||
var nodes = document.getElementsByClassName('sourcelines'); | ||||
for (var i = 0; i < nodes.length; i++) { | ||||
if (enable) { | ||||
nodes[i].classList.add('wrap'); | ||||
} else { | ||||
nodes[i].classList.remove('wrap'); | ||||
} | ||||
} | ||||
var links = document.getElementsByClassName('linewraplink'); | ||||
for (var i = 0; i < links.length; i++) { | ||||
links[i].innerHTML = enable ? 'on' : 'off'; | ||||
} | ||||
} | ||||
setLinewrap(!getLinewrap()); | ||||
} | ||||
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r19739 | |||
function format(str, replacements) { | ||||
return str.replace(/%(\w+)%/g, function(match, p1) { | ||||
return String(replacements[p1]); | ||||
}); | ||||
} | ||||
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r19740 | |||
function makeRequest(url, method, onstart, onsuccess, onerror, oncomplete) { | ||||
xfr = new XMLHttpRequest(); | ||||
xfr.onreadystatechange = function() { | ||||
if (xfr.readyState === 4) { | ||||
try { | ||||
if (xfr.status === 200) { | ||||
onsuccess(xfr.responseText); | ||||
} else { | ||||
throw 'server error'; | ||||
} | ||||
} catch (e) { | ||||
onerror(e); | ||||
} finally { | ||||
oncomplete(); | ||||
} | ||||
} | ||||
}; | ||||
xfr.open(method, url); | ||||
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r20973 | xfr.overrideMimeType("text/xhtml; charset=" + document.characterSet.toLowerCase()); | ||
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r19740 | xfr.send(); | ||
onstart(); | ||||
return xfr; | ||||
} | ||||
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r19741 | |||
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r19742 | function removeByClassName(className) { | ||
var nodes = document.getElementsByClassName(className); | ||||
while (nodes.length) { | ||||
nodes[0].parentNode.removeChild(nodes[0]); | ||||
} | ||||
} | ||||
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r19741 | function docFromHTML(html) { | ||
var doc = document.implementation.createHTMLDocument(''); | ||||
doc.documentElement.innerHTML = html; | ||||
return doc; | ||||
} | ||||
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r19743 | |||
function appendFormatHTML(element, formatStr, replacements) { | ||||
element.insertAdjacentHTML('beforeend', format(formatStr, replacements)); | ||||
} | ||||
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r19746 | |||
function ajaxScrollInit(urlFormat, | ||||
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r19781 | nextPageVar, | ||
nextPageVarGet, | ||||
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r19746 | containerSelector, | ||
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r19782 | messageFormat, | ||
mode) { | ||||
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r19746 | updateInitiated = false; | ||
container = document.querySelector(containerSelector); | ||||
function scrollHandler() { | ||||
if (updateInitiated) { | ||||
return; | ||||
} | ||||
var scrollHeight = document.documentElement.scrollHeight; | ||||
var clientHeight = document.documentElement.clientHeight; | ||||
var scrollTop = document.body.scrollTop | ||||
|| document.documentElement.scrollTop; | ||||
if (scrollHeight - (scrollTop + clientHeight) < 50) { | ||||
updateInitiated = true; | ||||
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r19756 | removeByClassName('scroll-loading-error'); | ||
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r19760 | container.lastElementChild.classList.add('scroll-separator'); | ||
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r19746 | |||
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r19781 | if (!nextPageVar) { | ||
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r19754 | var message = { | ||
r26832 | 'class': 'scroll-loading-info', | |||
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r19754 | text: 'No more entries' | ||
}; | ||||
appendFormatHTML(container, messageFormat, message); | ||||
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r19746 | return; | ||
} | ||||
makeRequest( | ||||
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r19781 | format(urlFormat, {next: nextPageVar}), | ||
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r19746 | 'GET', | ||
function onstart() { | ||||
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r19755 | var message = { | ||
r26832 | 'class': 'scroll-loading', | |||
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r19755 | text: 'Loading...' | ||
}; | ||||
appendFormatHTML(container, messageFormat, message); | ||||
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r19746 | }, | ||
function onsuccess(htmlText) { | ||||
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r19782 | if (mode == 'graph') { | ||
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r20252 | var addHeight = htmlText.match(/^\s*<canvas id="graph".*height="(\d+)"><\/canvas>$/m)[1]; | ||
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r19782 | addHeight = parseInt(addHeight); | ||
graph.canvas.height = addHeight; | ||||
var dataStr = htmlText.match(/^\s*var data = (.*);$/m)[1]; | ||||
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r19957 | var data = JSON.parse(dataStr); | ||
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r19907 | if (data.length < nextPageVar) { | ||
nextPageVar = undefined; | ||||
} | ||||
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r19782 | graph.reset(); | ||
graph.render(data); | ||||
} else { | ||||
var doc = docFromHTML(htmlText); | ||||
var nodes = doc.querySelector(containerSelector).children; | ||||
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r19859 | var curClass = 'c' + Date.now(); | ||
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r19782 | while (nodes.length) { | ||
var node = nodes[0]; | ||||
node = document.adoptNode(node); | ||||
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r19859 | node.classList.add(curClass); | ||
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r19782 | container.appendChild(node); | ||
} | ||||
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r19859 | process_dates('.' + curClass); | ||
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r19746 | } | ||
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r19907 | |||
nextPageVar = nextPageVarGet(htmlText, nextPageVar); | ||||
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r19746 | }, | ||
function onerror(errorText) { | ||||
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r19756 | var message = { | ||
r26832 | 'class': 'scroll-loading-error', | |||
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r19756 | text: 'Error: ' + errorText | ||
}; | ||||
appendFormatHTML(container, messageFormat, message); | ||||
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r19746 | }, | ||
function oncomplete() { | ||||
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r19755 | removeByClassName('scroll-loading'); | ||
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r19746 | updateInitiated = false; | ||
scrollHandler(); | ||||
} | ||||
); | ||||
} | ||||
} | ||||
window.addEventListener('scroll', scrollHandler); | ||||
window.addEventListener('resize', scrollHandler); | ||||
scrollHandler(); | ||||
} | ||||