graph.js
132 lines
| 3.2 KiB
| application/javascript
|
JavascriptLexer
r106 | // branch_renderer.js - Rendering of branch DAGs on the client side | |||
// | ||||
r288 | // Copyright 2008 Jesper Noehr <jesper AT noehr DOT org> | |||
r106 | // 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 ], | ||||
r288 | [ 1.0, 0.0, 1.0 ], | |||
[ 1.0, 1.0, 0.0 ], | ||||
[ 0.0, 0.0, 0.0 ] | ||||
r106 | ]; | |||
r288 | function BranchRenderer() { | |||
r106 | ||||
r288 | this.canvas = document.getElementById("graph_canvas"); | |||
//if ($.browser.msie) | ||||
// this.canvas = window.G_vmlCanvasManager.initElement(this.canvas); | ||||
r106 | this.ctx = this.canvas.getContext('2d'); | |||
this.ctx.strokeStyle = 'rgb(0, 0, 0)'; | ||||
this.ctx.fillStyle = 'rgb(0, 0, 0)'; | ||||
this.cur = [0, 0]; | ||||
r288 | this.max_column = 1; | |||
r106 | this.line_width = 3; | |||
this.bg = [0, 4]; | ||||
this.cell = [2, 0]; | ||||
this.revlink = ''; | ||||
this.scale = function(height) { | ||||
r288 | this.box_size = Math.floor(height/1.2); | |||
this.cell_height = this.box_size; | ||||
r106 | this.bg_height = height; | |||
} | ||||
this.setColor = function(color, bg, fg) { | ||||
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; | ||||
} | ||||
this.render = function(data) { | ||||
r288 | var idx = 1; | |||
var rela = document.getElementById('graph'); | ||||
var pad = 160; | ||||
var scale = 20; | ||||
r106 | ||||
for (var i in data) { | ||||
r288 | this.scale(scale); | |||
var row = document.getElementById("chg_"+idx); | ||||
var next = document.getElementById("chg_"+idx+1); | ||||
var extra = 0; | ||||
r106 | ||||
r288 | //skip this since i don't have DATE in my app | |||
//if (next.is('.changesets-date')) { | ||||
// extra = next.outerHeight(); | ||||
//} | ||||
this.cell[1] += row.clientWidth; | ||||
r106 | this.bg[1] += this.bg_height; | |||
r288 | cur = data[i]; | |||
nodeid = cur[0]; | ||||
node = cur[1]; | ||||
in_l = cur[2]; | ||||
r106 | ||||
r288 | for (var j in in_l) { | |||
r106 | ||||
r288 | line = in_l[j]; | |||
r106 | start = line[0]; | |||
end = line[1]; | ||||
color = line[2]; | ||||
r288 | if (start > this.max_column) { | |||
this.max_column = start; | ||||
r106 | } | |||
r288 | if (end > this.max_column) { | |||
this.max_column = end; | ||||
r106 | } | |||
r288 | this.setColor(color, 0.0, 0.65); | |||
r106 | ||||
r288 | y = row.offsetTop-rela.offsetTop+4; | |||
x = pad-((this.cell[0] + this.box_size * start - 1) + this.bg_height-2); | ||||
this.ctx.beginPath(); | ||||
this.ctx.moveTo(x, y); | ||||
r106 | ||||
r289 | //i don't know why it's +1 just fixes some drawing graph. | |||
y += row.clientHeight+1; | ||||
r288 | x = pad-((1 + this.box_size * end) + this.bg_height-2); | |||
this.ctx.lineTo(x,y+extra); | ||||
this.ctx.stroke(); | ||||
r106 | } | |||
column = node[0] | ||||
color = node[1] | ||||
r288 | radius = 4; | |||
y = row.offsetTop-rela.offsetTop+4; | ||||
x = pad-(Math.round(this.cell[0] * scale/2 * column + radius) + 15 - (column*4)); | ||||
this.ctx.beginPath(); | ||||
this.setColor(color, 0.25, 0.75); | ||||
this.ctx.arc(x, y, radius, 0, Math.PI * 2, true); | ||||
this.ctx.fill(); | ||||
r106 | ||||
r288 | idx++; | |||
r106 | } | |||
r288 | ||||
r106 | } | |||
} | ||||