gojs
Version:
Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
167 lines (156 loc) • 8.72 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 variation of a monitoring diagram where the objects of interest maintain a constant size while the user zooms in and out on the map."/>
<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
myDiagram =
new go.Diagram("myDiagramDiv",
{
initialContentAlignment: go.Spot.TopLeft,
isReadOnly: true, // allow selection but not moving or copying or deleting
"toolManager.hoverDelay": 100, // how quickly tooltips are shown
"toolManager.mouseWheelBehavior": go.ToolManager.WheelZoom // mouse wheel zooms instead of scrolls
});
// the background image, a floor plan
myDiagram.add(
$(go.Part, // this Part is not bound to any model data
{
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
{ locationSpot: go.Spot.Center }, // at center of node
$(go.Shape, "Circle",
{ width: 12, height: 12, stroke: null },
new go.Binding("fill", "color")), // also specified by data
{ // this tooltip shows the name and picture of the kitten
toolTip:
$("ToolTip",
$(go.Panel, "Vertical",
$(go.Picture,
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: "blue" },
{ key: "Coricopat", src: "55x55", loc: new go.Point(420, 250), color: "green" },
{ key: "Garfield", src: "60x90", loc: new go.Point(640, 450), color: "red" },
{ key: "Demeter", src: "80x50", loc: new go.Point(140, 350), color: "purple" }
];
// This code keeps all nodes at a constant size in the viewport,
// by adjusting for any scaling done by zooming in or out.
// This code ignores simple Parts;
// Links will automatically be rerouted as Nodes change size.
var origscale = NaN;
myDiagram.addDiagramListener("InitialLayoutCompleted", e => origscale = myDiagram.scale);
myDiagram.addDiagramListener("ViewportBoundsChanged", e => {
if (isNaN(origscale)) return;
var newscale = myDiagram.scale;
if (e.subject.scale === newscale) return; // optimization: don't scale Nodes when just scrolling/panning
myDiagram.skipsUndoManager = true;
myDiagram.startTransaction("scale Nodes");
myDiagram.nodes.each(node => {
node.scale = origscale / newscale;
});
myDiagram.commitTransaction("scale Nodes");
myDiagram.skipsUndoManager = false;
});
// simulate some real-time position monitoring, once every 2 seconds
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];
var pt = data.loc;
var x = pt.x + 20 * Math.random() - 10;
var y = pt.y + 20 * Math.random() - 10;
// make sure the kittens stay inside the house
var b = picture.actualBounds;
if (x < b.x || x > b.right) x = pt.x;
if (y < b.y || y > b.bottom) y = pt.y;
model.setDataProperty(data, "loc", new go.Point(x, y));
}
model.commitTransaction("update locations");
}
function loop() {
setTimeout(() => { randomMovement(); loop(); }, 2000);
}
loop(); // start the simulation
}
window.addEventListener('DOMContentLoaded', init);
</script>
<div id="sample">
<div id="myDiagramDiv" style="border: solid 1px black; width:100%; height:600px"></div>
<p>The tooltip for each kitten shows its name and photo.</p>
<p>When you zoom in or out the effective size of each Node is kept constant by changing its <a>GraphObject.scale</a>.</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>