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annotate pylons_app/public/js/graph.js @ 106:a86c8de926b4

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some fixes in graph tab. Little fixes in files
author Marcin Kuzminski <marcin@python-works.com>
date Sun, 25 Apr 2010 23:26:14 +0200
parents
children ab1afe7444f3
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rev   line source
106
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1 // branch_renderer.js - Rendering of branch DAGs on the client side
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2 //
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3 // Copyright 2008 Dirkjan Ochtman <dirkjan AT ochtman DOT nl>
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4 // Copyright 2006 Alexander Schremmer <alex AT alexanderweb DOT de>
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5 //
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6 // derived from code written by Scott James Remnant <scott@ubuntu.com>
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7 // Copyright 2005 Canonical Ltd.
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8 //
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9 // This software may be used and distributed according to the terms
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10 // of the GNU General Public License, incorporated herein by reference.
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11
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12 var colors = [
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13 [ 1.0, 0.0, 0.0 ],
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14 [ 1.0, 1.0, 0.0 ],
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15 [ 0.0, 1.0, 0.0 ],
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16 [ 0.0, 1.0, 1.0 ],
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17 [ 0.0, 0.0, 1.0 ],
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18 [ 1.0, 0.0, 1.0 ]
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19 ];
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20
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21 function Graph() {
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22
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23 this.canvas = document.getElementById('graph');
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24 if (navigator.userAgent.indexOf('MSIE') >= 0) this.canvas = window.G_vmlCanvasManager.initElement(this.canvas);
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25 this.ctx = this.canvas.getContext('2d');
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26 this.ctx.strokeStyle = 'rgb(0, 0, 0)';
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27 this.ctx.fillStyle = 'rgb(0, 0, 0)';
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28 this.cur = [0, 0];
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29 this.line_width = 3;
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30 this.bg = [0, 4];
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31 this.cell = [2, 0];
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32 this.columns = 0;
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33 this.revlink = '';
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34
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35 this.scale = function(height) {
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36 this.bg_height = height;
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37 this.box_size = Math.floor(this.bg_height / 1.2);
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38 this.cell_height = this.box_size;
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39 }
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40
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41 function colorPart(num) {
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42 num *= 255
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43 num = num < 0 ? 0 : num;
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44 num = num > 255 ? 255 : num;
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45 var digits = Math.round(num).toString(16);
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46 if (num < 16) {
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47 return '0' + digits;
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48 } else {
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49 return digits;
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50 }
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51 }
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52
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53 this.setColor = function(color, bg, fg) {
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54
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55 // Set the colour.
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56 //
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57 // Picks a distinct colour based on an internal wheel; the bg
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58 // parameter provides the value that should be assigned to the 'zero'
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59 // colours and the fg parameter provides the multiplier that should be
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60 // applied to the foreground colours.
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61
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62 color %= colors.length;
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63 var red = (colors[color][0] * fg) || bg;
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64 var green = (colors[color][1] * fg) || bg;
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65 var blue = (colors[color][2] * fg) || bg;
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66 red = Math.round(red * 255);
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67 green = Math.round(green * 255);
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68 blue = Math.round(blue * 255);
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69 var s = 'rgb(' + red + ', ' + green + ', ' + blue + ')';
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70 this.ctx.strokeStyle = s;
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71 this.ctx.fillStyle = s;
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72 return s;
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73
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74 }
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75
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76 this.render = function(data) {
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77
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78 var backgrounds = '';
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79 var nodedata = '';
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80
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81 for (var i in data) {
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82
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83 var parity = i % 2;
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84 this.cell[1] += this.bg_height;
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85 this.bg[1] += this.bg_height;
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86
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87 var cur = data[i];
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88 var node = cur[1];
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89 var edges = cur[2];
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90 var fold = false;
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91
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92 for (var j in edges) {
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93
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94 line = edges[j];
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95 start = line[0];
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96 end = line[1];
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97 color = line[2];
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98
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99 if (end > this.columns || start > this.columns) {
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100 this.columns += 1;
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101 }
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102
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103 if (start == this.columns && start > end) {
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104 var fold = true;
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105 }
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106
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107 x0 = this.cell[0] + this.box_size * start + this.box_size / 2;
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108 y0 = this.bg[1] - this.bg_height / 2;
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109 x1 = this.cell[0] + this.box_size * end + this.box_size / 2;
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110 y1 = this.bg[1] + this.bg_height / 2;
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111
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112 this.edge(x0, y0, x1, y1, color);
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113
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114 }
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115
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116 // Draw the revision node in the right column
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117
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118 column = node[0]
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119 color = node[1]
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120
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121 radius = this.box_size / 8;
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122 x = this.cell[0] + this.box_size * column + this.box_size / 2;
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123 y = this.bg[1] - this.bg_height / 2;
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124 var add = this.vertex(x, y, color, parity, cur);
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125 backgrounds += add[0];
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126 nodedata += add[1];
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127
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128 if (fold) this.columns -= 1;
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129
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130 }
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131
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132 document.getElementById('nodebgs').innerHTML += backgrounds;
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133 document.getElementById('graphnodes').innerHTML += nodedata;
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134
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135 }
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136
a86c8de926b4 some fixes in graph tab. Little fixes in files
Marcin Kuzminski <marcin@python-works.com>
parents:
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