gojs
Version:
Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
193 lines (181 loc) • 9.59 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 visual monitor of the position of kittens in a house."/>
<link rel="stylesheet" href="../assets/css/style.css"/>
<!-- Copyright 1998-2023 by Northwoods Software Corporation. -->
<title>Kitten Monitor</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 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; // for conciseness in defining templates
var INTERVAL = 2000; // this constant parameter cannot be set later
myDiagram =
new go.Diagram("myDiagramDiv",
{
initialContentAlignment: go.Spot.TopLeft,
isReadOnly: true, // allow selection but not moving or copying or deleting
scaleComputation: (d, newsc) => {
// only allow scales that are a multiple of 0.1
var oldsc = Math.round(d.scale * 10);
var sc = oldsc + ((newsc * 10 > oldsc) ? 1 : -1);
if (sc < 1) sc = 1; // but disallow zero or negative!
return sc / 10;
},
"toolManager.hoverDelay": 100 // how quickly tooltips are shown
});
// the background image, a floor plan
myDiagram.add(
$(go.Part, // this Part is not bound to any model data
{
width: 840, height: 570,
layerName: "Background", position: new go.Point(0, 0),
selectable: false, pickable: false
},
$(go.Picture, "https://upload.wikimedia.org/wikipedia/commons/9/9a/Sample_Floorplan.jpg")
));
// the template for each kitten, for now just a colored circle
myDiagram.nodeTemplate =
$(go.Node,
new go.Binding("location", "loc"), // specified by data
(INTERVAL > 20) // don't animate if INTERVAL is <= 20 milliseconds
? new go.AnimationTrigger("position", { duration: INTERVAL, easing: go.Animation.EaseLinear })
: {},
{ locationSpot: go.Spot.Center }, // at center of node
$(go.Shape, "Circle",
{ width: 15, height: 15, strokeWidth: 3 },
new go.Binding("fill", "color", makeFill),
new go.Binding("stroke", "color", makeStroke)
), // also specified by data
{ // this tooltip shows the name and picture of the kitten
toolTip:
$("ToolTip",
$(go.Panel, "Vertical",
$(go.Picture, { margin: 3 },
new go.Binding("source", "src", s => "images/" + s + ".png")),
$(go.TextBlock, { margin: 3 },
new go.Binding("text", "key"))
)
) // end Adornment
}
);
// pretend there are four kittens
myDiagram.model.nodeDataArray = [
{ key: "Alonzo", src: "50x40", loc: new go.Point(220, 130), color: 2 },
{ key: "Coricopat", src: "55x55", loc: new go.Point(420, 250), color: 4 },
{ key: "Garfield", src: "60x90", loc: new go.Point(640, 450), color: 6 },
{ key: "Demeter", src: "80x50", loc: new go.Point(140, 350), color: 8 }
];
// simulate some real-time position monitoring, once every INTERVAL milliseconds
function randomMovement() {
var model = myDiagram.model;
model.startTransaction("update locations");
var arr = model.nodeDataArray;
var picture = myDiagram.parts.first();
for (var i = 0; i < arr.length; i++) {
var data = arr[i];
// determine the new random location
var pt = data.loc;
var x = pt.x + 25 * (Math.random() - 0.5);
var y = pt.y + 25 * (Math.random() - 0.5);
// make sure the kittens stay inside the house
var b = picture.actualBounds;
if (x < b.x + 40 || x > b.right - 80) x = pt.x;
if (y < b.y + 40 || y > b.bottom - 40) y = pt.y;
model.set(data, "loc", new go.Point(x, y));
}
model.commitTransaction("update locations");
}
function loop() {
setTimeout(() => { randomMovement(); loop(); }, INTERVAL);
}
loop(); // start the simulation
// generate some colors based on hue value
function makeFill(number) {
return HSVtoRGB(0.1 * number, 0.5, 0.7);
}
function makeStroke(number) {
return HSVtoRGB(0.1 * number, 0.5, 0.5); // same color but darker (less V in HSV)
}
function HSVtoRGB(h, s, v) {
var r, g, b, i, f, p, q, t;
i = Math.floor(h * 6);
f = h * 6 - i;
p = v * (1 - s);
q = v * (1 - f * s);
t = v * (1 - (1 - f) * s);
switch (i % 6) {
case 0: r = v, g = t, b = p; break;
case 1: r = q, g = v, b = p; break;
case 2: r = p, g = v, b = t; break;
case 3: r = p, g = q, b = v; break;
case 4: r = t, g = p, b = v; break;
case 5: r = v, g = p, b = q; break;
}
return 'rgb(' +
Math.floor(r * 255) + ',' +
Math.floor(g * 255) + ',' +
Math.floor(b * 255) + ')';
}
}
window.addEventListener('DOMContentLoaded', init);
</script>
<div id="sample">
<div id="myDiagramDiv" style="border: solid 1px black; width:100%; height:600px"></div>
<p>This diagram displays a monitored floor plan with several nodes (representing kittens) to view in real-time.</p>
<p>Every two seconds the kitten positions are updated</p>
<p>The <a href="../intro/toolTips.html">Tooltip</a> for each kitten shows its name and photo.</p>
<p>There is a custom <a>Diagram.scaleComputation</a> that limits the <a>Diagram.scale</a> values to multiples of 0.1.</p>
</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>