gojs
Version:
Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
241 lines (227 loc) • 11.1 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="Support link connections within a node as well as between nodes."/>
<link rel="stylesheet" href="../assets/css/style.css"/>
<!-- Copyright 1998-2023 by Northwoods Software Corporation. -->
<title>Connection Box Nodes</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;
myDiagram =
new go.Diagram("myDiagramDiv",
{
initialContentAlignment: go.Spot.Center, // for v1.*
initialScale: 1.4,
"undoManager.isEnabled": true,
"linkingTool.direction": go.LinkingTool.ForwardsOnly,
"ModelChanged": e => { // just for demonstration purposes,
if (e.isTransactionFinished) { // show the model data in the page's TextArea
document.getElementById("mySavedModel").textContent = e.model.toJson();
}
}
});
myDiagram.nodeTemplate =
$(go.Node, "Table",
new go.Binding("location", "location", go.Point.parse).makeTwoWay(go.Point.stringify),
{
selectionObjectName: "BODY",
linkValidation: (fromnode, fromport, tonode, toport, link) => {
if (!fromport || !toport) return false;
if (fromnode === tonode) {
// inside a node must go from an input port to an output port
return fromport.portId[0] === "i" && toport.portId[0] === "o";
} else {
// between nodes the port colors must match
if (fromport.fill !== toport.fill) return false;
// between nodes must go from an output port to an input port
return fromport.portId[0] === "o" && toport.portId[0] === "i";
}
return true;
}
},
$(go.RowColumnDefinition, { column: 1, width: 70 }),
$(go.Shape,
{
name: "BODY",
row: 0, rowSpan: 99, column: 0, columnSpan: 3, stretch: go.GraphObject.Fill,
fill: "gray", strokeWidth: 0, margin: new go.Margin(0, 8)
},
),
$(go.TextBlock,
{ row: 0, columnSpan: 3, margin: new go.Margin(4, 2, 2, 2) },
new go.Binding("text")),
$(go.TextBlock,
{ row: 2, columnSpan: 3, margin: new go.Margin(4, 2, 2, 2) },
new go.Binding("text", "text2")),
$(go.Panel, "Table",
new go.Binding("itemArray", "inPorts"),
{
row: 1, column: 0,
defaultSeparatorPadding: new go.Margin(4, 0),
itemTemplate: // input ports
$(go.Panel, "TableRow",
{ background: "white" },
$(go.Shape,
{
width: 6, height: 6, strokeWidth: 0, margin: new go.Margin(2, 6, 2, 0),
fromSpot: go.Spot.Right, toSpot: go.Spot.Left,
fromLinkable: true, toLinkable: true,
fromLinkableSelfNode: true, toLinkableSelfNode: true, cursor: "pointer"
},
new go.Binding("portId", "row", r => "i" + r).ofObject(),
new go.Binding("fill", "", convertToColor))
)
}
),
$(go.Shape,
{
row: 1, column: 1, fill: "white", strokeWidth: 0,
stretch: go.GraphObject.Fill
}),
$(go.Panel, "Table",
new go.Binding("itemArray", "outPorts"),
{
row: 1, column: 2,
defaultSeparatorPadding: new go.Margin(4, 0),
itemTemplate: // output ports
$(go.Panel, "TableRow",
{ background: "white" },
$(go.Shape,
{
width: 6, height: 6, strokeWidth: 0, margin: new go.Margin(2, 0, 2, 6),
fromSpot: go.Spot.Right, toSpot: go.Spot.Left,
fromLinkable: true, toLinkable: true,
fromLinkableSelfNode: true, toLinkableSelfNode: true, cursor: "pointer"
},
new go.Binding("portId", "row", r => "o" + r).ofObject(),
new go.Binding("fill", "", convertToColor))
)
}
),
);
function convertToColor(n) {
switch (n) {
case "r": return "brown";
case "g": return "olivedrab";
case "b": return "cornflowerblue";
default: return "black";
}
}
myDiagram.linkTemplate =
$(go.Link,
{ relinkableFrom: true, relinkableTo: true },
$(go.Shape,
{ strokeWidth: 2 },
new go.Binding("stroke", "fromPort", p => p.fill).ofObject())
);
myDiagram.model = new go.GraphLinksModel( {
linkFromPortIdProperty: "fpid",
linkToPortIdProperty: "tpid",
copiesArrays: true,
copiesArrayObjects: true,
nodeDataArray:
[
{
key: 1, text: "Alpha",
location: "0 0",
inPorts: ["r", "r", "r", "g", "b"],
outPorts: ["r", "g", "g", "b", "b"]
},
{
key: 2, text: "Beta",
location: "200 -80",
inPorts: ["r", "r", "g", "g", "b"],
outPorts: ["r", "r", "g", "g", "b"]
},
{
key: 3, text: "Gamma",
location: "200 80",
inPorts: ["r", "r", "g", "g", "b"],
outPorts: ["r", "r", "g", "g", "b"]
}
],
linkDataArray:
[
{ from: 1, fpid: "i0", to: 1, tpid: "o1" },
{ from: 1, fpid: "i1", to: 1, tpid: "o4" },
{ from: 1, fpid: "i2", to: 1, tpid: "o0" },
{ from: 1, fpid: "i3", to: 1, tpid: "o3" },
{ from: 1, fpid: "i4", to: 1, tpid: "o2" },
{ from: 1, fpid: "o0", to: 2, tpid: "i0" },
{ from: 1, fpid: "o2", to: 2, tpid: "i2" },
{ from: 1, fpid: "o2", to: 3, tpid: "i2" },
{ from: 1, fpid: "o3", to: 2, tpid: "i4" },
{ from: 1, fpid: "o3", to: 3, tpid: "i4" },
{ from: 2, fpid: "i0", to: 2, tpid: "o1" },
{ from: 2, fpid: "i2", to: 2, tpid: "o0" },
{ from: 2, fpid: "i4", to: 2, tpid: "o2" },
{ from: 3, fpid: "i2", to: 3, tpid: "o3" },
{ from: 3, fpid: "i1", to: 3, tpid: "o1" }
]
});
}
window.addEventListener('DOMContentLoaded', init);
</script>
<div id="sample">
<div id="myDiagramDiv" style="border: solid 1px black; width:100%; height:600px"></div>
<p>
You can draw new links between ports, both between nodes and within a node.
Between nodes, the link validation predicate requires new link connections to connect ports of the same color.
However, within a node, links may connect ports of different colors.
</p>
<textarea id="mySavedModel" style="width:100%;height:250px"></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>