gojs
Version:
Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
310 lines (287 loc) • 14.3 kB
HTML
<html lang="en">
<head>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no, viewport-fit=cover"/>
<meta name="description" content="A simple network configuration editor."/>
<link rel="stylesheet" href="../assets/css/style.css"/>
<!-- Copyright 1998-2023 by Northwoods Software Corporation. -->
<title>Network Configuration</title>
</head>
<body>
<!-- This top nav is not part of the sample code -->
<nav id="navTop" class="w-full z-30 top-0 text-white bg-nwoods-primary">
<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">
<div class="md:pl-4">
<a class="text-white hover:text-white no-underline hover:no-underline
font-bold text-2xl lg:text-4xl rounded-lg hover:bg-nwoods-secondary " href="../">
<h1 class="my-0 p-1 ">GoJS</h1>
</a>
</div>
<button id="topnavButton" class="rounded-lg sm:hidden focus:outline-none focus:ring" aria-label="Navigation">
<svg fill="currentColor" viewBox="0 0 20 20" class="w-6 h-6">
<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>
<path id="topnavClosed" class="hidden" fill-rule="evenodd" d="M4.293 4.293a1 1 0 011.414 0L10 8.586l4.293-4.293a1 1 0 111.414 1.414L11.414 10l4.293 4.293a1 1 0 01-1.414 1.414L10 11.414l-4.293 4.293a1 1 0 01-1.414-1.414L8.586 10 4.293 5.707a1 1 0 010-1.414z" clip-rule="evenodd"></path>
</svg>
</button>
<div id="topnavList" class="hidden sm:block items-center w-auto mt-0 text-white p-0 z-20">
<ul class="list-reset list-none font-semibold flex justify-end flex-wrap sm:flex-nowrap items-center px-0 pb-0">
<li class="p-1 sm:p-0"><a class="topnav-link" href="../learn/">Learn</a></li>
<li class="p-1 sm:p-0"><a class="topnav-link" href="../samples/">Samples</a></li>
<li class="p-1 sm:p-0"><a class="topnav-link" href="../intro/">Intro</a></li>
<li class="p-1 sm:p-0"><a class="topnav-link" href="../api/">API</a></li>
<li class="p-1 sm:p-0"><a class="topnav-link" href="https://www.nwoods.com/products/register.html">Register</a></li>
<li class="p-1 sm:p-0"><a class="topnav-link" href="../download.html">Download</a></li>
<li class="p-1 sm:p-0"><a class="topnav-link" href="https://forum.nwoods.com/c/gojs/11">Forum</a></li>
<li class="p-1 sm:p-0"><a class="topnav-link" href="https://www.nwoods.com/contact.html"
target="_blank" rel="noopener" onclick="getOutboundLink('https://www.nwoods.com/contact.html', 'contact');">Contact</a></li>
<li class="p-1 sm:p-0"><a class="topnav-link" href="https://www.nwoods.com/sales/index.html"
target="_blank" rel="noopener" onclick="getOutboundLink('https://www.nwoods.com/sales/index.html', 'buy');">Buy</a></li>
</ul>
</div>
</div>
<hr class="border-b border-gray-600 opacity-50 my-0 py-0" />
</nav>
<div class="md:flex flex-col md:flex-row md:min-h-screen w-full max-w-screen-xl mx-auto">
<div id="navSide" class="flex flex-col w-full md:w-48 text-gray-700 bg-white flex-shrink-0"></div>
<!-- * * * * * * * * * * * * * -->
<!-- Start of GoJS sample code -->
<script src="../release/go.js"></script>
<div id="allSampleContent" class="p-4 w-full">
<script src="../extensions/Figures.js"></script>
<script id="code">
function init() {
// Since 2.2 you can also author concise templates with method chaining instead of GraphObject.make
// For details, see https://gojs.net/latest/intro/buildingObjects.html
const $ = go.GraphObject.make;
myDiagram =
new go.Diagram("myDiagramDiv",
{
"linkingTool.direction": go.LinkingTool.ForwardsOnly,
"undoManager.isEnabled": true
});
// when the document is modified, add a "*" to the title and enable the "Save" button
myDiagram.addDiagramListener("Modified", e => {
var button = document.getElementById("saveModel");
if (button) button.disabled = !myDiagram.isModified;
var idx = document.title.indexOf("*");
if (myDiagram.isModified) {
if (idx < 0) document.title += "*";
} else {
if (idx >= 0) document.title = document.title.slice(0, idx);
}
});
myDiagram.nodeTemplateMap.add("Generator",
$(go.Node, "Spot",
{ locationSpot: go.Spot.Center, selectionObjectName: "BODY" },
new go.Binding("location", "location", go.Point.parse).makeTwoWay(go.Point.stringify),
$(go.Shape, "ACVoltageSource",
{
name: "BODY", stroke: "white", strokeWidth: 3, fill: "transparent", background: "darkblue",
width: 40, height: 40, margin: 5,
portId: "", fromLinkable: true, cursor: "pointer", fromSpot: go.Spot.TopBottomSides, toSpot: go.Spot.TopBottomSides
}),
$(go.TextBlock,
{ alignment: go.Spot.Right, alignmentFocus: go.Spot.Left, editable: true },
new go.Binding("text").makeTwoWay())
));
myDiagram.nodeTemplateMap.add("Connector",
$(go.Node, "Spot",
{ locationSpot: go.Spot.Center, selectionObjectName: "BODY" },
new go.Binding("location", "location", go.Point.parse).makeTwoWay(go.Point.stringify),
$(go.Shape, "Circle",
{
name: "BODY", stroke: null, fill: $(go.Brush, "Linear", { 0: "lightgray", 1: "gray" }), background: "gray",
width: 20, height: 20, margin: 2,
portId: "", fromLinkable: true, cursor: "pointer", fromSpot: go.Spot.TopBottomSides, toSpot: go.Spot.TopBottomSides
}),
$(go.TextBlock,
{ alignment: go.Spot.Right, alignmentFocus: go.Spot.Left, editable: true },
new go.Binding("text").makeTwoWay())
));
myDiagram.nodeTemplateMap.add("Consumer",
$(go.Node, "Spot",
{
locationSpot: go.Spot.Center, locationObjectName: "BODY",
selectionObjectName: "BODY"
},
new go.Binding("location", "location", go.Point.parse).makeTwoWay(go.Point.stringify),
$(go.Picture, "images/pc.jpg",
{
name: "BODY", width: 50, height: 40, margin: 2,
portId: "", fromLinkable: true, cursor: "pointer", fromSpot: go.Spot.TopBottomSides, toSpot: go.Spot.TopBottomSides
}),
$(go.TextBlock,
{ alignment: go.Spot.Right, alignmentFocus: go.Spot.Left, editable: true },
new go.Binding("text").makeTwoWay())
));
myDiagram.nodeTemplateMap.add("HBar",
$(go.Node, "Spot",
new go.Binding("location", "location", go.Point.parse).makeTwoWay(go.Point.stringify),
{
layerName: "Background",
// special resizing: just at the ends
resizable: true, resizeObjectName: "SHAPE",
resizeAdornmentTemplate:
$(go.Adornment, "Spot",
$(go.Placeholder),
$(go.Shape, // left resize handle
{
alignment: go.Spot.Left, cursor: "col-resize",
desiredSize: new go.Size(6, 6), fill: "lightblue", stroke: "dodgerblue"
}),
$(go.Shape, // right resize handle
{
alignment: go.Spot.Right, cursor: "col-resize",
desiredSize: new go.Size(6, 6), fill: "lightblue", stroke: "dodgerblue"
}))
},
$(go.Shape, "Rectangle",
{
name: "SHAPE",
fill: "black", stroke: null, strokeWidth: 0,
width: 1000, height: 4,
minSize: new go.Size(100, 4),
maxSize: new go.Size(Infinity, 4)
},
new go.Binding("desiredSize", "size", go.Size.parse).makeTwoWay(go.Size.stringify),
new go.Binding("fill"),
{ portId: "", toLinkable: true }),
$(go.TextBlock,
{ alignment: go.Spot.Right, alignmentFocus: go.Spot.Left, editable: true },
new go.Binding("text").makeTwoWay())
));
myDiagram.linkTemplate =
$(BarLink, // subclass defined below
{
routing: go.Link.Orthogonal,
relinkableFrom: true, relinkableTo: true,
toPortChanged: (link, oldport, newport) => {
if (newport instanceof go.Shape) link.path.stroke = newport.fill;
}
},
$(go.Shape,
{ strokeWidth: 2 })
);
// start off with a simple diagram
load();
// initialize Palette
myPalette =
new go.Palette("myPaletteDiv",
{
nodeTemplateMap: myDiagram.nodeTemplateMap,
layout:
$(go.GridLayout,
{
cellSize: new go.Size(2, 2),
isViewportSized: true
})
}
);
myPalette.model.nodeDataArray = [
{ "text": "Generator", "category": "Generator" },
{ "text": "Consumer", "category": "Consumer" },
{ "text": "Connector", "category": "Connector" },
{ "text": "Bar", "category": "HBar", "size": "100 4" },
];
// remove cursors on all ports in the Palette
// make TextBlocks invisible, to reduce size of Nodes
myPalette.nodes.each(node => {
node.ports.each(port => port.cursor = "");
node.elements.each(tb => {
if (tb instanceof go.TextBlock) tb.visible = false;
});
});
// initialize Overview
myOverview =
new go.Overview("myOverviewDiv",
{
observed: myDiagram,
contentAlignment: go.Spot.Center
});
}
// A custom Link class that routes directly to the closest horizontal point of an "HBar" node.
// If the regular node is too far to the left or right of the "HBar" node, the link connects
// with the closest end of the "HBar" node.
class BarLink extends go.Link {
computeSpot(from, port) {
if (from && this.toNode && this.toNode.category === "HBar") return go.Spot.TopBottomSides;
if (!from && this.fromNode && this.fromNode.category === "HBar") return go.Spot.TopBottomSides;
return super.computeSpot(from, port);
}
getLinkPoint(node, port, spot, from, ortho, othernode, otherport) {
if (!from && node.category === "HBar") {
var op = super.getLinkPoint(othernode, otherport, this.computeSpot(!from), !from, ortho, node, port);
var r = port.getDocumentBounds();
var y = (op.y > r.centerY) ? r.bottom : r.top;
if (op.x < r.left) return new go.Point(r.left, y);
if (op.x > r.right) return new go.Point(r.right, y);
return new go.Point(op.x, y);
} else {
return super.getLinkPoint(node, port, spot, from, ortho, othernode, otherport);
}
};
getLinkDirection(node, port, linkpoint, spot, from, ortho, othernode, otherport) {
if (node.category === "HBar" || othernode.category === "HBar") {
var p = port.getDocumentPoint(go.Spot.Center);
var op = otherport.getDocumentPoint(go.Spot.Center);
var below = op.y > p.y;
return below ? 90 : 270;
} else {
return super.getLinkDirection(node, port, linkpoint, spot, from, ortho, othernode, otherport);
}
}
}
// end BarLink class
// save a model to and load a model from JSON text, displayed below the Diagram
function save() {
document.getElementById("mySavedModel").value = myDiagram.model.toJson();
myDiagram.isModified = false;
}
function load() {
myDiagram.model = go.Model.fromJson(document.getElementById("mySavedModel").value);
}
window.addEventListener('DOMContentLoaded', init);
</script>
<div id="sample">
<div style="width: 100%; display: flex; justify-content: space-between">
<div style="display: flex; flex-direction: column; margin-right: 2px">
<div id="myPaletteDiv" style="flex-grow: 1; width: 100px; background-color: whitesmoke; border: solid 1px black"></div>
<div id="myOverviewDiv" style="margin-top: 2px; width: 100px; height: 100px; background-color: lightgray; border: solid 1px black"></div>
</div>
<div id="myDiagramDiv" style="flex-grow: 1; height: 400px; border: solid 1px black"></div>
</div>
<div id="buttons">
<button id="loadModel" onclick="load()">Load</button>
<button id="saveModel" onclick="save()">Save</button>
</div>
<textarea id="mySavedModel" style="width:100%;height:300px">
{ "class": "go.GraphLinksModel",
"nodeDataArray": [
{"key":0, "text":"Gen1", "category":"Generator", "location":"300 0"},
{"key":1, "text":"Bar1", "category":"HBar", "location":"100 100", "size":"500 4", "fill":"green"},
{"key":3, "text":"Cons1", "category":"Consumer", "location":"53 234"},
{"key":2, "text":"Bar2", "category":"HBar", "location":"0 300", "size":"600 4", "fill":"orange"},
{"key":4, "text":"Conn1", "category":"Connector", "location":"232.5 207.75"},
{"key":5, "text":"Cons3", "category":"Consumer", "location":"357.5 230.75"},
{"key":6, "text":"Cons2", "category":"Consumer", "location":"484.5 164.75"}
],
"linkDataArray": [
{"from":0, "to":1},
{"from":0, "to":2},
{"from":3, "to":2},
{"from":4, "to":1},
{"from":4, "to":2},
{"from":5, "to":2},
{"from":6, "to":1}
]}
</textarea>
</div>
</div>
<!-- * * * * * * * * * * * * * -->
<!-- End of GoJS sample code -->
</div>
</body>
<!-- This script is part of the gojs.net website, and is not needed to run the sample -->
<script src="../assets/js/goSamples.js"></script>
</html>