gojs
Version:
Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
115 lines (105 loc) • 4.84 kB
HTML
<html>
<head>
<title>GoJS Class Hierarchy Tree</title>
<meta name="description" content="The JavaScript class hierarchy defined by the GoJS library." />
<!-- Copyright 1998-2016 by Northwoods Software Corporation. -->
<meta charset="UTF-8">
<script src="go.js"></script>
<link href="../assets/css/goSamples.css" rel="stylesheet" type="text/css" /> <!-- you don't need to use this -->
<script src="goSamples.js"></script> <!-- this is only for the GoJS Samples framework -->
<script id="code">
function init() {
if (window.goSamples) goSamples(); // init for these samples -- you don't need to call this
var $ = go.GraphObject.make; // for conciseness in defining templates
var diagram = $(go.Diagram, "myDiagramDiv", // id of DIV
{ // Automatically lay out the diagram as a tree;
// separate trees are arranged vertically above each other.
layout: $(go.TreeLayout, { nodeSpacing: 3 })
});
// Define a node template showing class names.
// Double-clicking opens up the documentation for that class.
diagram.nodeTemplate =
$(go.Node, "Auto",
{
doubleClick: nodeDoubleClick, // this function is defined below
toolTip:
$(go.Adornment, "Auto",
$(go.Shape, { fill: "lightyellow" }),
$(go.TextBlock, "double-click\nfor documentation",
{ margin: 5 })
)
},
$(go.Shape, { fill: "#1F4963", stroke: null }),
$(go.TextBlock,
{ font: "bold 13px Helvetica, bold Arial, sans-serif",
stroke: "white", margin: 3 },
new go.Binding("text", "key")));
// Define a trivial link template with no arrowhead
diagram.linkTemplate =
$(go.Link,
{
curve: go.Link.Bezier,
toEndSegmentLength: 30, fromEndSegmentLength: 30
},
$(go.Shape, { strokeWidth: 1.5 }) // the link shape, with the default black stroke
);
// Collect all of the data for the model of the class hierarchy
var nodeDataArray = [];
// Iterate over all of the classes in "go"
for (k in go) {
var cls = go[k];
if (!cls) continue;
var proto = cls.prototype;
if (!proto) continue;
proto.constructor.className = k; // remember name
// find base class constructor
var base = Object.getPrototypeOf(proto).constructor;
if (base === Object) { // "root" node?
nodeDataArray.push({ key: k });
} else {
// add a node for this class and a tree-parent reference to the base class name
nodeDataArray.push({ key: k, parent: base.className });
}
}
// Create the model for the hierarchy diagram
diagram.model = new go.TreeModel(nodeDataArray);
// Now collect all node data that are singletons
var singlesArray = []; // for classes that don't inherit from another class
diagram.nodes.each(function(node) {
if (node.linksConnected.count === 0) {
singlesArray.push(node.data);
}
});
// Remove the unconnected class nodes from the main Diagram
diagram.model.removeNodeDataCollection(singlesArray);
// Display the unconnected classes in a separate Diagram
var singletons =
$(go.Diagram, "mySingletons",
{
nodeTemplate: diagram.nodeTemplate, // share the node template with the main Diagram
layout:
$(go.GridLayout,
{ wrappingColumn: 1, // put the unconnected nodes in a column
spacing: new go.Size(3, 3) }),
model: new go.Model(singlesArray) // use a separate model
});
}
// When a Node is double clicked, open the documentation for the corresponding class in a new window
function nodeDoubleClick(event, node) {
window.open("../api/symbols/" + node.data.key + ".html");
}
</script>
</head>
<body onload="init()">
<div id="sample">
<h3>GoJS Class Hierarchy Tree</h3>
<!-- The DIV needs an explicit size or else we won't see anything. -->
<div id="myDiagramDiv" style="border:1px solid blue; width:79%; height:725px; float: left"></div>
<div id="mySingletons" style="border:1px solid blue; width:19%; height:725px; float: right"></div>
<p>A <a>TreeLayout</a> of the JavaScript class hierarchy defined by the GoJS library. Classes that do not have any inheritance relationship are shown at the right.</p>
<p>Double-clicking on a node will open the API reference for that class in a new window.</p>
<p>For more uses of the Tree Layout, see the <a href="DOMTree.html">DOM Tree</a> and <a href="visualTree.html">Visual Tree</a> samples.</p>
</div>
</body>
</html>