1 | <!DOCTYPE html>
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2 | <html lang="en">
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3 | <head>
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4 | <meta charset="utf-8"/>
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5 | <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no, viewport-fit=cover"/>
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6 | <meta name="description" content="Arrange disconnected circular subgraphs in a circle and put disconnected nodes in a grid underneath."/>
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7 | <link rel="stylesheet" href="../assets/css/style.css"/>
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8 |
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9 | <title>Arranging Layout of the Class Hierarchy</title>
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10 | </head>
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11 |
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12 | <body>
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13 |
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14 | <nav id="navTop" class="w-full z-30 top-0 text-white bg-nwoods-primary">
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15 | <div class="w-full container max-w-screen-lg mx-auto flex flex-wrap sm:flex-nowrap items-center justify-between mt-0 py-2">
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16 | <div class="md:pl-4">
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17 | <a class="text-white hover:text-white no-underline hover:no-underline
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18 | font-bold text-2xl lg:text-4xl rounded-lg hover:bg-nwoods-secondary " href="../">
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19 | <h1 class="mb-0 p-1 ">GoJS</h1>
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20 | </a>
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21 | </div>
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22 | <button id="topnavButton" class="rounded-lg sm:hidden focus:outline-none focus:ring" aria-label="Navigation">
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23 | <svg fill="currentColor" viewBox="0 0 20 20" class="w-6 h-6">
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24 | <path id="topnavOpen" fill-rule="evenodd" d="M3 5a1 1 0 011-1h12a1 1 0 110 2H4a1 1 0 01-1-1zM3 10a1 1 0 011-1h12a1 1 0 110 2H4a1 1 0 01-1-1zM9 15a1 1 0 011-1h6a1 1 0 110 2h-6a1 1 0 01-1-1z" clip-rule="evenodd"></path>
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26 | </svg>
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27 | </button>
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28 | <div id="topnavList" class="hidden sm:block items-center w-auto mt-0 text-white p-0 z-20">
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29 | <ul class="list-reset list-none font-semibold flex justify-end flex-wrap sm:flex-nowrap items-center px-0 pb-0">
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30 | <li class="p-1 sm:p-0"><a class="topnav-link" href="../learn/">Learn</a></li>
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31 | <li class="p-1 sm:p-0"><a class="topnav-link" href="../samples/">Samples</a></li>
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32 | <li class="p-1 sm:p-0"><a class="topnav-link" href="../intro/">Intro</a></li>
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33 | <li class="p-1 sm:p-0"><a class="topnav-link" href="../api/">API</a></li>
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34 | <li class="p-1 sm:p-0"><a class="topnav-link" href="https://www.nwoods.com/products/register.html">Register</a></li>
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35 | <li class="p-1 sm:p-0"><a class="topnav-link" href="../download.html">Download</a></li>
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36 | <li class="p-1 sm:p-0"><a class="topnav-link" href="https://forum.nwoods.com/c/gojs/11">Forum</a></li>
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37 | <li class="p-1 sm:p-0"><a class="topnav-link" href="https://www.nwoods.com/contact.html"
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38 | target="_blank" rel="noopener" onclick="getOutboundLink('https://www.nwoods.com/contact.html', 'contact');">Contact</a></li>
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39 | <li class="p-1 sm:p-0"><a class="topnav-link" href="https://www.nwoods.com/sales/index.html"
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40 | target="_blank" rel="noopener" onclick="getOutboundLink('https://www.nwoods.com/sales/index.html', 'buy');">Buy</a></li>
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41 | </ul>
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42 | </div>
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43 | </div>
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44 | <hr class="border-b border-gray-600 opacity-50 my-0 py-0" />
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45 | </nav>
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46 | <div class="md:flex flex-col md:flex-row md:min-h-screen w-full max-w-screen-xl mx-auto">
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47 | <div id="navSide" class="flex flex-col w-full md:w-48 text-gray-700 bg-white flex-shrink-0"></div>
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48 |
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49 |
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50 |
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51 |
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52 | <div class="p-4 w-full">
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53 | <div id="sample">
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54 | <div id="myDiagramDiv" style="border: solid 1px black; width:100%; height:800px; min-width: 200px"></div>
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55 | <p>
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56 | This sample demonstrates a custom Layout, <a>ArrangingLayout</a>, that provides layouts of layouts.
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57 | It assumes the graph should be split up and laid out by potentially three separate Layouts.
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58 | </p>
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59 | <p>
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60 | The first step of ArrangingLayout is that all unconnected nodes are separated out to be laid out later by
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61 | the <a>ArrangingLayout.sideLayout</a>, which by default is a <a>GridLayout</a>.
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62 | </p>
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63 | <p>
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64 | The remaining nodes and links are partitioned into separate subgraphs with no links between subgraphs.
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65 | The <a>ArrangingLayout.primaryLayout</a> is performed on each subgraph.
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66 | </p>
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67 | <p>
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68 | If there is more than one subgraph, those subgraphs are treated as if they were individual nodes and are
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69 | laid out by the <a>ArrangingLayout.arrangingLayout</a>.
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70 | </p>
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71 | <p>
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72 | Finally the unconnected nodes are laid out by <a>ArrangingLayout.sideLayout</a> and they are all positioned
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73 | at the <a>ArrangingLayout.side</a> Spot relative to the main body of nodes and links.
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74 | </p>
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75 | <p>
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76 | This extension layout is defined in its own file, as <a href="ArrangingLayout.js">ArrangingLayout.js</a>.
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77 | </p>
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78 | <script type="module" id="code">
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79 | import * as go from "../release/go-module.js";
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80 | import { ArrangingLayout } from "./ArrangingLayout.js";
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81 | import { PackedLayout } from "./PackedLayout.js";
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82 |
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83 | if (window.goSamples) goSamples();
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84 | var $ = go.GraphObject.make;
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85 |
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86 | const myDiagram =
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87 | $(go.Diagram, "myDiagramDiv",
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88 | {
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89 | initialAutoScale: go.Diagram.Uniform,
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90 | layout:
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91 | $(ArrangingLayout,
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92 | {
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93 | primaryLayout: $(go.CircularLayout),
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94 | arrangingLayout: $(go.CircularLayout, { nodeDiameterFormula: go.CircularLayout.Circular, spacing: 30 }),
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95 |
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96 |
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97 |
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98 |
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99 |
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100 |
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101 |
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102 | _colors: ["red", "orange", "yellow", "lime", "cyan"],
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103 | _colorIndex: 0,
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104 |
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105 |
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106 | preparePrimaryLayout: function(lay, coll) {
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107 | var root = null;
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108 | coll.each(function(node) {
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109 | if (node instanceof go.Node && node.findLinksInto().count === 0) root = node;
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110 | });
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111 | var color = "white";
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112 | if (root !== null) {
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113 |
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114 |
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115 | if (root.key.indexOf("Layout") === 0 && root.key.length > "Layout".length) {
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116 | color = "violet";
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117 | } else {
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118 | color = this._colors[this._colorIndex++ % this._colors.length];
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119 | }
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120 | }
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121 | coll.each(function(node) {
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122 | if (node instanceof go.Node) {
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123 | var shape = node.findObject("SHAPE");
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124 | if (shape !== null) shape.fill = color;
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125 | }
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126 | });
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127 | },
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128 |
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129 | prepareSideLayout: function(lay, coll, b) {
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130 |
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131 | lay.wrappingWidth = Math.max(b.width, this.diagram.viewportBounds.width);
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132 | }
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133 | })
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134 | });
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135 |
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136 | myDiagram.nodeTemplate =
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137 | $(go.Node, go.Panel.Auto,
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138 | $(go.Shape, { name: "SHAPE", figure: "RoundedRectangle", fill: "lightgray" },
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139 | new go.Binding("fill", "color")),
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140 | $(go.TextBlock, { margin: 2, textAlign: "center" },
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141 | new go.Binding("text", "key", function(s) {
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142 |
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143 | var arr = s.split("");
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144 | for (let i = 1; i < arr.length-1; i++) {
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145 | var a = arr[i-1];
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146 | var b = arr[i];
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147 | if (a === a.toLowerCase() && b === b.toUpperCase()) {
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148 | arr.splice(i, 0, "\n");
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149 | i += 2;
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150 | }
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151 | }
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152 | return arr.join("");
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153 | })));
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154 |
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155 | myDiagram.linkTemplate =
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156 | $(go.Link,
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157 | { layerName: "Background" },
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158 | $(go.Shape));
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159 |
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160 |
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161 | var nodeDataArray = [];
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162 |
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163 |
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164 | for (var k in go) {
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165 | var cls = go[k];
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166 | if (!cls) continue;
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167 | var proto = cls.prototype;
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168 | if (!proto) continue;
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169 | proto.constructor.className = k;
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170 |
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171 | var base = Object.getPrototypeOf(proto).constructor;
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172 | if (base === Object) {
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173 | nodeDataArray.push({ key: k });
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174 | } else {
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175 |
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176 | nodeDataArray.push({ key: k, parent: base.className });
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177 | }
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178 | }
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179 |
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180 |
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181 | myDiagram.model = new go.TreeModel(nodeDataArray);
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182 | window.myDiagram = myDiagram;
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183 | </script>
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184 | </div>
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185 | </div>
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186 |
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187 |
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188 | </div>
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189 | </body>
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190 |
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191 | <script src="../assets/js/goSamples.js"></script>
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192 | </html>
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