Mercurial > kallithea

annotate rhodecode/public/js/graph.js @ 677:469108c210f6 beta

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Upgrade of Yui2, added selector rollup.
author Marcin Kuzminski <marcin@python-works.com>
date Thu, 11 Nov 2010 01:40:59 +0000
parents 1e757ac98988
children 864e4daef963
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rev   line source
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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 2010 Marcin Kuzminski <marcin AT python-works DOT com>
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4 // Copyright 2008 Jesper Noehr <jesper AT noehr DOT org>
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5 // Copyright 2008 Dirkjan Ochtman <dirkjan AT ochtman DOT nl>
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6 // Copyright 2006 Alexander Schremmer <alex AT alexanderweb DOT de>
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7 //
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8 // derived from code written by Scott James Remnant <scott@ubuntu.com>
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9 // Copyright 2005 Canonical Ltd.
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10 //
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11 // This software may be used and distributed according to the terms
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12 // of the GNU General Public License, incorporated herein by reference.
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13
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14 var colors = [
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15 [ 1.0, 0.0, 0.0 ],
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16 [ 1.0, 1.0, 0.0 ],
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17 [ 0.0, 1.0, 0.0 ],
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18 [ 0.0, 1.0, 1.0 ],
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19 [ 0.0, 0.0, 1.0 ],
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20 [ 1.0, 0.0, 1.0 ],
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21 [ 1.0, 1.0, 0.0 ],
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22 [ 0.0, 0.0, 0.0 ]
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23 ];
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24
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25 function BranchRenderer() {
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26
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27 this.canvas = document.getElementById("graph_canvas");
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28
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29 if (navigator.userAgent.indexOf('MSIE') >= 0)
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30 this.canvas = window.G_vmlCanvasManager.initElement(this.canvas);
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31 this.ctx = this.canvas.getContext('2d');
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32 this.ctx.strokeStyle = 'rgb(0, 0, 0)';
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33 this.ctx.fillStyle = 'rgb(0, 0, 0)';
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34 this.cur = [0, 0];
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35 this.max_column = 1;
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36 this.line_width = 2.5;
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37 this.dot_radius = 5.5;
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38 this.bg = [0, 4];
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39 this.cell = [2, 0];
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40 this.revlink = '';
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41
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42 this.scale = function(height) {
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43 this.box_size = Math.floor(height/1.2);
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44 this.cell_height = this.box_size;
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45 this.bg_height = height;
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46 }
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47
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48 this.setColor = function(color, bg, fg) {
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49 color %= colors.length;
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50 var red = (colors[color][0] * fg) || bg;
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51 var green = (colors[color][1] * fg) || bg;
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52 var blue = (colors[color][2] * fg) || bg;
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53 red = Math.round(red * 255);
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54 green = Math.round(green * 255);
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55 blue = Math.round(blue * 255);
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56 var s = 'rgb(' + red + ', ' + green + ', ' + blue + ')';
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57 this.ctx.strokeStyle = s;
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58 this.ctx.fillStyle = s;
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59 }
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60
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61 this.render = function(data) {
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62 var idx = 1;
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63 var rela = document.getElementById('graph');
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64 var pad = 160;
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65 var scale = 22;
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66
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67 for (var i in data) {
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68 this.scale(scale);
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69 var row = document.getElementById("chg_"+idx);
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70 var next = document.getElementById("chg_"+idx+1);
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71 var extra = 0;
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72
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73 //skip this since i don't have DATE in my app
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74 //if (next.is('.changesets-date')) {
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75 // extra = next.outerHeight();
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76 //}
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77
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78
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79 this.cell[1] += row.clientWidth;
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80 this.bg[1] += this.bg_height;
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81
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82 cur = data[i];
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83 nodeid = cur[0];
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84 node = cur[1];
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85 in_l = cur[2];
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86
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87 for (var j in in_l) {
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88
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89 line = in_l[j];
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90 start = line[0];
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91 end = line[1];
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92 color = line[2];
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93
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94 if (start > this.max_column) {
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95 this.max_column = start;
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96 }
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97
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98 if (end > this.max_column) {
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99 this.max_column = end;
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100 }
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101
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102 this.setColor(color, 0.0, 0.65);
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103
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104
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105 y = row.offsetTop-rela.offsetTop+4;
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106 x = pad-((this.cell[0] + this.box_size * start - 1) + this.bg_height-2);
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107 this.ctx.lineWidth=this.line_width;
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108 this.ctx.beginPath();
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109 this.ctx.moveTo(x, y);
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110
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111 //i don't know why it's +1 just fixes some drawing graph.
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112 y += row.clientHeight+1;
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113 x = pad-((1 + this.box_size * end) + this.bg_height-2);
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114 this.ctx.lineTo(x,y+extra,3);
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115 this.ctx.stroke();
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116 }
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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.dot_radius;
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122 y = row.offsetTop-rela.offsetTop+4;
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123 x = pad-(Math.round(this.cell[0] * scale/2 * column + radius) + 15 - (column*4));
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124
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125 this.ctx.beginPath();
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126 this.setColor(color, 0.25, 0.75);
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127 this.ctx.arc(x, y, radius, 0, Math.PI * 2, true);
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128 this.ctx.fill();
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129
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130 idx++;
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131 }
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132
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133 }
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135 }