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comparison mercurial-tests/testData/bin/templates/static/graph.js @ 294:2e52f00a3c94 Eluru-6.5.x

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Update whole hg distribution to 1.5.2
author Dmitry Neverov <dmitry.neverov@jetbrains.com>
date Wed, 07 Sep 2011 19:46:47 +0400
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293:e2c0cb7d53c1 294:2e52f00a3c94
1 // branch_renderer.js - Rendering of branch DAGs on the client side
2 //
3 // Copyright 2008 Dirkjan Ochtman <dirkjan AT ochtman DOT nl>
4 // Copyright 2006 Alexander Schremmer <alex AT alexanderweb DOT de>
5 //
6 // derived from code written by Scott James Remnant <scott@ubuntu.com>
7 // Copyright 2005 Canonical Ltd.
8 //
9 // This software may be used and distributed according to the terms
10 // of the GNU General Public License, incorporated herein by reference.
11
12 var colors = [
13 [ 1.0, 0.0, 0.0 ],
14 [ 1.0, 1.0, 0.0 ],
15 [ 0.0, 1.0, 0.0 ],
16 [ 0.0, 1.0, 1.0 ],
17 [ 0.0, 0.0, 1.0 ],
18 [ 1.0, 0.0, 1.0 ]
19 ];
20
21 function Graph() {
22
23 this.canvas = document.getElementById('graph');
24 if (navigator.userAgent.indexOf('MSIE') >= 0) this.canvas = window.G_vmlCanvasManager.initElement(this.canvas);
25 this.ctx = this.canvas.getContext('2d');
26 this.ctx.strokeStyle = 'rgb(0, 0, 0)';
27 this.ctx.fillStyle = 'rgb(0, 0, 0)';
28 this.cur = [0, 0];
29 this.line_width = 3;
30 this.bg = [0, 4];
31 this.cell = [2, 0];
32 this.columns = 0;
33 this.revlink = '';
34
35 this.scale = function(height) {
36 this.bg_height = height;
37 this.box_size = Math.floor(this.bg_height / 1.2);
38 this.cell_height = this.box_size;
39 }
40
41 function colorPart(num) {
42 num *= 255
43 num = num < 0 ? 0 : num;
44 num = num > 255 ? 255 : num;
45 var digits = Math.round(num).toString(16);
46 if (num < 16) {
47 return '0' + digits;
48 } else {
49 return digits;
50 }
51 }
52
53 this.setColor = function(color, bg, fg) {
54
55 // Set the colour.
56 //
57 // Picks a distinct colour based on an internal wheel; the bg
58 // parameter provides the value that should be assigned to the 'zero'
59 // colours and the fg parameter provides the multiplier that should be
60 // applied to the foreground colours.
61
62 color %= colors.length;
63 var red = (colors[color][0] * fg) || bg;
64 var green = (colors[color][1] * fg) || bg;
65 var blue = (colors[color][2] * fg) || bg;
66 red = Math.round(red * 255);
67 green = Math.round(green * 255);
68 blue = Math.round(blue * 255);
69 var s = 'rgb(' + red + ', ' + green + ', ' + blue + ')';
70 this.ctx.strokeStyle = s;
71 this.ctx.fillStyle = s;
72 return s;
73
74 }
75
76 this.render = function(data) {
77
78 var backgrounds = '';
79 var nodedata = '';
80
81 for (var i in data) {
82
83 var parity = i % 2;
84 this.cell[1] += this.bg_height;
85 this.bg[1] += this.bg_height;
86
87 var cur = data[i];
88 var node = cur[1];
89 var edges = cur[2];
90 var fold = false;
91
92 for (var j in edges) {
93
94 line = edges[j];
95 start = line[0];
96 end = line[1];
97 color = line[2];
98
99 if (end > this.columns || start > this.columns) {
100 this.columns += 1;
101 }
102
103 if (start == this.columns && start > end) {
104 var fold = true;
105 }
106
107 x0 = this.cell[0] + this.box_size * start + this.box_size / 2;
108 y0 = this.bg[1] - this.bg_height / 2;
109 x1 = this.cell[0] + this.box_size * end + this.box_size / 2;
110 y1 = this.bg[1] + this.bg_height / 2;
111
112 this.edge(x0, y0, x1, y1, color);
113
114 }
115
116 // Draw the revision node in the right column
117
118 column = node[0]
119 color = node[1]
120
121 radius = this.box_size / 8;
122 x = this.cell[0] + this.box_size * column + this.box_size / 2;
123 y = this.bg[1] - this.bg_height / 2;
124 var add = this.vertex(x, y, color, parity, cur);
125 backgrounds += add[0];
126 nodedata += add[1];
127
128 if (fold) this.columns -= 1;
129
130 }
131
132 document.getElementById('nodebgs').innerHTML += backgrounds;
133 document.getElementById('graphnodes').innerHTML += nodedata;
134
135 }
136
137 }