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="TypeScript: The LocalStorageCommandHandler extension enhances the copy and paste commands to use 'localStorage' as the storage mechanism."/>
<link rel="stylesheet" href="../assets/css/style.css"/>
<!-- Copyright 1998-2023 by Northwoods Software Corporation. -->
<title>Local Storage Commands</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>
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<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 -->
<div id="allSampleContent" class="p-4 w-full">
<div id="sample">
<span style="display: inline-block; vertical-align: top;">
<div id="myDiagramDiv" style="border: solid 1px black; width:300px; height:300px"></div>
</span>
<span style="display: inline-block; vertical-align: top;">
<div id="myDiagramDiv2" style="border: solid 1px black; width:300px; height:300px"></div>
</span>
<p>
This example demonstrates a custom <a>CommandHandler</a>.
It uses localStorage as the repository for the clipboard, rather than an in-memory global variable.
It is defined in its own file, as <a href="LocalStorageCommandHandler.js" target="_blank">LocalStorageCommandHandler.js</a>.
</p>
<p>
Try copying and pasting between the above Diagrams, or between tabs/windows that contain Diagrams using LocalStorageCommandHandler.
Note that when copying and pasting between Diagrams, it will work best if they have similar templates.
</p>
</div>
<script type="module" id="code">
import * as go from "../release/go-module.js";
import { LocalStorageCommandHandler } from './LocalStorageCommandHandler.js';
if (window.goSamples) window.goSamples(); // init for these samples -- you don't need to call this
const $ = go.GraphObject.make; // for conciseness in defining templates
const myDiagram = new go.Diagram('myDiagramDiv', // create a Diagram for the DIV HTML element
{
commandHandler: new LocalStorageCommandHandler(),
'undoManager.isEnabled': true // enable undo & redo
});
const myDiagram2 = new go.Diagram('myDiagramDiv2', // create a Diagram for the DIV HTML element
{
commandHandler: new LocalStorageCommandHandler(),
'undoManager.isEnabled': true // enable undo & redo
});
// define a simple Node template
myDiagram.nodeTemplate =
$(go.Node, 'Auto', // the Shape will go around the TextBlock
$(go.Shape, 'RoundedRectangle', { strokeWidth: 0 },
// Shape.fill is bound to Node.data.color
new go.Binding('fill', 'color')), $(go.TextBlock, { margin: 8 }, // some room around the text
// TextBlock.text is bound to Node.data.key
new go.Binding('text', 'key')));
myDiagram2.nodeTemplate = myDiagram.nodeTemplate;
// create the model data that will be represented by Nodes and Links
myDiagram.model = new go.GraphLinksModel([
{ key: 'Alpha', color: 'lightblue' },
{ key: 'Beta', color: 'orange' },
{ key: 'Gamma', color: 'lightgreen' },
{ key: 'Delta', color: 'pink' }
], [
{ from: 'Alpha', to: 'Beta' },
{ from: 'Alpha', to: 'Gamma' },
{ from: 'Beta', to: 'Beta' },
{ from: 'Gamma', to: 'Delta' },
{ from: 'Delta', to: 'Alpha' }
]);
myDiagram2.model = new go.GraphLinksModel([
{ key: 'Alpha', color: 'lightblue' },
{ key: 'Beta', color: 'orange' },
{ key: 'Gamma', color: 'lightgreen' },
{ key: 'Delta', color: 'pink' }
], [
{ from: 'Alpha', to: 'Beta' },
{ from: 'Alpha', to: 'Gamma' },
{ from: 'Beta', to: 'Beta' },
{ from: 'Gamma', to: 'Delta' },
{ from: 'Delta', to: 'Alpha' }
]);
window.myDiagram = myDiagram; // Attach to the window for console debugging
window.myDiagram2 = myDiagram2;
</script>
</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>