gojs
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Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
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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 thermometer."/>
<link rel="stylesheet" href="../assets/css/style.css"/>
<!-- Copyright 1998-2023 by Northwoods Software Corporation. -->
<title>Thermometer</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>
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<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">
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</svg>
</button>
<div id="topnavList" class="hidden sm:block items-center w-auto mt-0 text-white p-0 z-20">
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<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() {
if (window.goSamples) goSamples(); // init for these samples -- you don"t need to call this
// 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",
{
layout: $(go.GridLayout, { isOngoing: false, wrappingColumn: 4 }),
"animationManager.isEnabled": false,
"undoManager.isEnabled": true
});
// ResizingTool override: add just one handle, instead of eight
myDiagram.toolManager.resizingTool.makeAdornment = function(resizeObj) { // method override must be function, not =>
return $(go.Adornment, "Spot",
{
locationSpot: go.Spot.Center,
category: this.name,
adornedObject: resizeObj
},
$(go.Placeholder),
this.makeHandle(resizeObj, go.Spot.Top)
);
}
var ORIGINAL_HEIGHT = 400;
/* The thermometer node consists of a Spot Panel with 6 children:
0: The BarSpace, which is the main element and
1: The Farenheit scale, on the left
2: The Celsius scale, on the right
3: The shape that represents alcohol or mercury in the thermometer
4: (Cosmetic) The stem that attaches to the bulb
5: (Cosmetic) The bulb
The two Graduated Panels use alignmentFocusName to make sure their main Shapes
line up with the Spot Panel"s main element, BarSpace.
1|0|2
1|0|2
1|0|2
1|0|2
1|3|2
1|3|2
|4|
|5|
*/
myDiagram.nodeTemplate =
$(go.Node, "Spot",
{ resizable: true, resizeObjectName: "BarSpace", locationObjectName: "Bulb", locationSpot: go.Spot.Center },
$(go.Shape,
{ name: "BarSpace", width: 25, height: ORIGINAL_HEIGHT, strokeWidth: 0, fill: "rgba(0,0,0,.05)" },
new go.Binding("height").makeTwoWay()
),
// Farenheit scale, on the left:
$(go.Panel, "Graduated",
{
background: "white",
graduatedMin: -40, graduatedMax: 80,
graduatedTickBase: 0, graduatedTickUnit: 1,
alignment: go.Spot.BottomLeft,
alignmentFocus: go.Spot.BottomLeft,
alignmentFocusName: "line"
},
new go.Binding("graduatedMax", "", data => {
if (data.type === "scaling") return 80;
return (data.height * 0.3) - 40;
}),
$(go.Shape, { name: "line", geometryString: "M0 0 V-" + ORIGINAL_HEIGHT, stroke: "gray" },
new go.Binding("height")),
$(go.Shape, { alignmentFocus: go.Spot.Bottom, interval: 2, strokeWidth: 1, geometryString: "M0 0 V15" }),
$(go.Shape, { alignmentFocus: go.Spot.Bottom, interval: 10, strokeWidth: 2, geometryString: "M0 0 V20" }),
$(go.TextBlock, { interval: 20, font: "22px Georgia", alignmentFocus: new go.Spot(1, 0.5, 20, 0) }),
// Mark 32 degrees on the farenheit scale:
$(go.TextBlock, {
interval: 32, graduatedFunction: n => (n === 32) ? "32—" : "",
font: "bold 12px Georgia", stroke: "red", alignmentFocus: new go.Spot(1, 0.5, 20, 0)
})
),
// Mercury/alcohol bar, which represents the values of farenheit and celsius
$(go.Shape,
{
width: 25, strokeWidth: 0, fill: "red",
alignment: go.Spot.Bottom,
alignmentFocus: go.Spot.Bottom,
},
new go.Binding('fill', 'type', t => (t === "scaling") ? "dimgray" : "red"),
// To determine the level, look at both data.farenheit and data.celsius, but prefer celsius
new go.Binding("height", "", data => {
var thermometerHeight = ORIGINAL_HEIGHT;
if (data.type === "scaling") thermometerHeight = data.height;
if (data.celsius !== undefined) {
// (celsius + minimum value) / (total celsius range) * height
return Math.max(0, ((data.celsius + 40) / 67) * thermometerHeight);
} else if (data.farenheit !== undefined) {
// (farenheit + minimum value) / (total farenheit range) * height
return Math.max(0, ((data.farenheit + 40) / 120) * thermometerHeight);
} else {
return 0;
}
}),
new go.Binding("maxSize", "height", h => new go.Size(NaN, h))
),
// Celsius scale, on the right:
$(go.Panel, "Graduated",
{
background: "white",
// -40 to 27 because we picked -40 to 80 for farenheit, and want them to line up
graduatedMin: -40, graduatedMax: 27,
graduatedTickBase: 0, graduatedTickUnit: 1,
alignment: go.Spot.BottomRight,
alignmentFocus: go.Spot.BottomRight,
alignmentFocusName: "line2"
},
new go.Binding("graduatedMax", "", data => {
if (data.type === "scaling") return 27;
return (data.height * 0.1675) - 40;
}),
$(go.Shape, { name: "line2", geometryString: "M0 0 V-" + ORIGINAL_HEIGHT, stroke: "gray" },
new go.Binding("height")),
$(go.Shape, { interval: 2, strokeWidth: 1, geometryString: "M0 0 V15" }),
$(go.Shape, { interval: 10, strokeWidth: 2, geometryString: "M0 0 V20" }),
$(go.TextBlock, {
interval: 20, textAlign: "left", font: "22px Georgia",
alignmentFocus: go.Spot.Left, segmentOffset: new go.Point(0, 22)
})
),
// Cosmetic: The stem and bulb
$(go.Shape,
{
width: 25, height: 10, strokeWidth: 0, fill: "red",
alignment: go.Spot.Bottom
},
new go.Binding('fill', 'type', t => (t === "scaling") ? "dimgray" : "red")
),
$(go.Shape, "Circle",
{
name: "Bulb",
width: 55, height: 55, strokeWidth: 0, fill: "red",
alignment: go.Spot.Bottom,
alignmentFocus: go.Spot.Top,
},
new go.Binding('fill', 'type', t => (t === "scaling") ? "dimgray" : "red")
)
); // end node template
myDiagram.model = new go.GraphLinksModel(
[
{ height: 400, celsius: 20 },
{ height: 250, celsius: -10 },
{ type: "scaling", height: 400, farenheit: 22 /*, celsius: 0*/ },
{ type: "scaling", height: 250, farenheit: 68 /*, celsius: 20*/ },
]);
}
window.addEventListener('DOMContentLoaded', init);
</script>
<div id="sample">
<div id="myDiagramDiv" style="border: solid 1px black; width:800px; height:500px"></div>
<p>
This sample uses <a href="../intro/graduatedPanels.html">Graduated Panels</a> and <code>Panel.alignmentFocusName</code> to line up thermometer scales.
</p>
<p>
The thermometers are resizable, with two types. For the first two (default), resizing the thermometer reduces
or increases the range of the values. For the second two (<code>type: "scaling"</code>), resizing
the thermometer keeps the range, and scales the thermometer.
</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>