gojs
Version:
Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
542 lines (509 loc) • 23.9 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="Show the relationships of nodes and links and groups."/>
<link rel="stylesheet" href="../assets/css/style.css"/>
<!-- Copyright 1998-2023 by Northwoods Software Corporation. -->
<title>Navigation of Graphs</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>
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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", // Diagram refers to its DIV HTML element by id
{
maxSelectionCount: 1 // no more than 1 element can be selected at a time
});
// define the node template
myDiagram.nodeTemplate =
$(go.Node, "Auto",
new go.Binding("location").makeTwoWay(),
{
locationSpot: go.Spot.Center,
toEndSegmentLength: 30, fromEndSegmentLength: 30
},
$(go.Shape, "Rectangle",
{
name: "OBJSHAPE",
fill: "white",
desiredSize: new go.Size(30, 30)
}),
$(go.TextBlock,
{ margin: 4 },
new go.Binding("text", "key")),
{
toolTip: // define a tooltip for each node that displays its information
$("ToolTip",
$(go.TextBlock, { margin: 4 },
new go.Binding("text", "", getInfo))
)
}
);
// define the link template
myDiagram.linkTemplate =
$(go.Link,
{
selectionAdornmentTemplate:
$(go.Adornment,
$(go.Shape,
{ isPanelMain: true, stroke: "dodgerblue", strokeWidth: 3 }),
$(go.Shape,
{ toArrow: "Standard", fill: "dodgerblue", stroke: null, scale: 1 })
),
routing: go.Link.Normal,
curve: go.Link.Bezier,
toShortLength: 2
},
$(go.Shape, // the link shape
{ name: "OBJSHAPE" }),
$(go.Shape, // the arrowhead
{ name: "ARWSHAPE", toArrow: "Standard" }),
{
toolTip: // define a tooltip for each link that displays its information
$("ToolTip",
$(go.TextBlock, { margin: 4 },
new go.Binding("text", "", getInfo))
)
}
);
// define the group template
myDiagram.groupTemplate =
$(go.Group, "Spot",
{
selectionAdornmentTemplate: // adornment when a group is selected
$(go.Adornment, "Auto",
$(go.Shape, "Rectangle",
{ fill: null, stroke: "dodgerblue", strokeWidth: 3 }),
$(go.Placeholder)
),
toSpot: go.Spot.AllSides, // links coming into groups at any side
toEndSegmentLength: 30, fromEndSegmentLength: 30
},
$(go.Panel, "Auto",
$(go.Shape, "Rectangle",
{
name: "OBJSHAPE",
parameter1: 14,
fill: "rgba(255,0,0,0.10)"
},
new go.Binding("desiredSize", "ds")),
$(go.Placeholder,
{ padding: 16 })
),
$(go.TextBlock,
{
name: "GROUPTEXT",
alignment: go.Spot.TopLeft,
alignmentFocus: new go.Spot(0, 0, -4, -4),
font: "Bold 10pt Sans-Serif"
},
new go.Binding("text", "key")),
{
toolTip: // define a tooltip for each group that displays its information
$("ToolTip",
$(go.TextBlock, { margin: 4 },
new go.Binding("text", "", getInfo))
)
}
);
// add nodes, including groups, and links to the model
myDiagram.model = new go.GraphLinksModel(
[ // node data
{ key: "A", location: new go.Point(320, 100) },
{ key: "B", location: new go.Point(420, 270) },
{ key: "C", group: "Psi", location: new go.Point(270, 215) },
{ key: "D", group: "Omega", location: new go.Point(270, 325) },
{ key: "E", group: "Phi", location: new go.Point(120, 225) },
{ key: "F", group: "Omega", location: new go.Point(200, 350) },
{ key: "G", location: new go.Point(180, 450) },
{ key: "Chi", isGroup: true },
{ key: "Psi", isGroup: true, group: "Chi" },
{ key: "Phi", isGroup: true, group: "Psi" },
{ key: "Omega", isGroup: true, group: "Psi" }
],
[ // link data
{ from: "A", to: "B" },
{ from: "A", to: "C" },
{ from: "A", to: "C" },
{ from: "B", to: "B" },
{ from: "B", to: "C" },
{ from: "B", to: "Omega" },
{ from: "C", to: "A" },
{ from: "C", to: "Psi" },
{ from: "C", to: "D" },
{ from: "D", to: "F" },
{ from: "E", to: "F" },
{ from: "F", to: "G" }
]);
// whenever selection changes, run updateHighlights
myDiagram.addDiagramListener("ChangedSelection", () => updateHighlights(getRadioButton()));
myDiagram.select(myDiagram.findNodeForKey('A'));
}
// This highlights all graph objects that should be highlighted
// whenever a radio button is checked or selection changes.
// Parameter e is the checked radio button.
function updateHighlights(e) {
// Set highlight to 0 for everything before updating
myDiagram.nodes.each(node => node.highlight = 0);
myDiagram.links.each(link => link.highlight = 0);
// Get the selected GraphObject and run the appropriate method
var sel = myDiagram.selection.first();
if (sel !== null) {
switch (e.id) {
case "linksIn": linksTo(sel, 1); break;
case "linksOut": linksFrom(sel, 1); break;
case "linksAll": linksAll(sel, 1); break;
case "nodesIn": nodesTo(sel, 1); break;
case "nodesOut": nodesFrom(sel, 1); break;
case "nodesConnect": nodesConnect(sel, 1); break;
case "nodesReach": nodesReach(sel, 1); break;
case "group": containing(sel, 1); break;
case "groupsAll": containingAll(sel, 1); break;
case "nodesMember": childNodes(sel, 1); break;
case "nodesMembersAll": allMemberNodes(sel, 1); break;
case "linksMember": childLinks(sel, 1); break;
case "linksMembersAll": allMemberLinks(sel, 1); break;
}
}
// Give everything the appropriate highlighting ( color and width of stroke )
// nodes, including groups
myDiagram.nodes.each(node => {
var shp = node.findObject("OBJSHAPE");
var grp = node.findObject("GROUPTEXT");
var hl = node.highlight;
highlight(shp, grp, hl);
});
// links
myDiagram.links.each(link => {
var hl = link.highlight;
var shp = link.findObject("OBJSHAPE");
var arw = link.findObject("ARWSHAPE");
highlight(shp, arw, hl);
});
}
// Functions for highlighting, called by updateHighlights.
// x in each case is the selected object or the object being treated as such.
// Some have return values for use by each other or for tooltips.
// if the link connects to this node, highlight it
function linksTo(x, i) {
if (x instanceof go.Node) {
x.findLinksInto().each(link => link.highlight = i);
}
}
// if the link comes from this node, highlight it
function linksFrom(x, i) {
if (x instanceof go.Node) {
x.findLinksOutOf().each(link => link.highlight = i);
}
}
// highlight all links connected to this node
function linksAll(x, i) {
if (x instanceof go.Node) {
x.linksConnected.each(link => link.highlight = i);
}
}
// If selected object is a link, highlight its fromNode.
// Otherwise highlight the fromNode of each link coming into the selected node.
// Return a List of the keys of the nodes.
function nodesTo(x, i) {
var nodesToList = new go.List(/*"string"*/);
if (x instanceof go.Link) {
x.fromNode.highlight = i;
nodesToList.add(x.data.from);
} else {
x.findNodesInto().each(node => {
node.highlight = i;
nodesToList.add(node.data.key);
});
}
return nodesToList;
}
// same as nodesTo, but 'from' instead of 'to'
function nodesFrom(x, i) {
var nodesFromList = new go.List(/*"string"*/);
if (x instanceof go.Link) {
x.toNode.highlight = i;
nodesFromList.add(x.data.to);
} else {
x.findNodesOutOf().each(node => {
node.highlight = i;
nodesFromList.add(node.data.key);
});
}
return nodesFromList;
}
// If x is a link, highlight its toNode, or if it is a node, the node(s) it links to,
// and then call nodesReach on the highlighted node(s), with the next color.
// Do not highlight any node that has already been highlit with a color
// indicating a closer relationship to the original node.
function nodesReach(x, i) {
if (x instanceof go.Link) {
x.toNode.highlight = i;
nodesReach(x.toNode, i + 1);
} else {
x.findNodesOutOf().each(node => {
if (node.highlight === 0 || node.highlight > i) {
node.highlight = i;
nodesReach(node, i + 1);
}
});
}
}
// highlight all nodes linked to this one
function nodesConnect(x, i) {
if (x instanceof go.Link) {
x.toNode.highlight = i;
x.fromNode.highlight = i;
} else {
x.findNodesConnected().each(node => node.highlight = i);
}
}
// highlights the group containing this object, specific method for links
// returns the containing group of x
function containing(x, i) {
var container = x.containingGroup;
if (container !== null) container.highlight = i;
return container;
}
// container is the group that contains this node and
// will be the parameter x for the next call of this function.
// Calling containing(x,i) highlights each group the appropriate color
function containingAll(x, i) {
containing(x, i);
var container = x.containingGroup;
if (container !== null) containingAll(container, i + 1);
}
// if the Node"s containingGroup is x, highlight it
function childNodes(x, i) {
var childLst = new go.List(/*"string"*/);
if (x instanceof go.Group) {
myDiagram.nodes.each(node => {
if (node.containingGroup === x) {
node.highlight = i;
childLst.add(node.data.key);
}
});
}
return childLst;
}
// same as childNodes, then run allMemberNodes for each child Group with the next color
function allMemberNodes(x, i) {
if (x instanceof go.Group) {
myDiagram.nodes.each(node => {
if (node.containingGroup === x) {
node.highlight = i;
allMemberNodes(node, i + 1);
}
});
}
}
// if the link"s containing Group is x, highlight it
function childLinks(x, i) {
var childLst = new go.List(/*go.Link*/);
myDiagram.links.each(link => {
if (link.containingGroup === x) {
link.highlight = i;
childLst.add(link);
}
});
return childLst;
}
// same as childLinks, then run allMemberLinks for each child Group with the next color
function allMemberLinks(x, i) {
childLinks(x, i);
myDiagram.nodes.each(node => {
if (node instanceof go.Group && node.containingGroup === x) {
allMemberLinks(node, i + 1);
}
});
}
// perform the actual highlighting
function highlight(shp, obj2, hl) {
var color;
var width = 3;
if (hl === 0) { color = "black"; width = 1; }
else if (hl === 1) { color = "blue"; }
else if (hl === 2) { color = "green"; }
else if (hl === 3) { color = "orange"; }
else if (hl === 4) { color = "red"; }
else { color = "purple"; }
shp.stroke = color;
shp.strokeWidth = width;
if (obj2 !== null) {
obj2.stroke = color;
obj2.fill = color;
}
}
// return the selected radio button in "highlight"
function getRadioButton() {
var radio = document.getElementsByName("highlight");
for (var i = 0; i < radio.length; i++)
if (radio[i].checked) return radio[i];
}
// returns the text for a tooltip, param obj is the text itself
function getInfo(model, obj) {
var x = obj.panel.adornedPart; // the object that the mouse is over
var text = ""; // what will be displayed
if (x instanceof go.Node) {
if (x instanceof go.Group) text += "Group: "; else text += "Node: ";
text += x.data.key;
var toLst = nodesTo(x, 0); // display names of nodes going into this node
if (toLst.count > 0) {
toLst.sort((a, b) => a < b ? -1 : 1);
text += "\nNodes into: ";
toLst.each(key => {
if (key !== text.substring(text.length - 3, text.length - 2)) {
text += key + ", ";
}
});
text = text.substring(0, text.length - 2);
}
var frLst = nodesFrom(x, 0); // display names of nodes coming out of this node
if (frLst.count > 0) {
frLst.sort((a, b) => a < b ? -1 : 1);
text += "\nNodes out of: ";
frLst.each(key => {
if (key !== text.substring(text.length - 3, text.length - 2)) {
text += key + ", ";
}
});
text = text.substring(0, text.length - 2);
}
var grpC = containing(x, 0); // if the node is in a group, display its name
if (grpC !== null) text += "\nContaining SubGraph: " + grpC.data.key;
if (x instanceof go.Group) {
// if it"s a group, also display nodes and links contained in it
text += "\nMember nodes: ";
var children = childNodes(x, 0);
children.sort((a, b) => a < b ? -1 : 1);
children.each(key => {
if (key !== text.substring(text.length - 3, text.length - 2)) {
text += key + ", ";
}
});
text = text.substring(0, text.length - 2);
var linkChildren = childLinks(x, 0);
if (linkChildren.count > 0) {
text += "\nMember links: ";
var linkStrings = new go.List(/*"string"*/);
linkChildren.each(link => {
linkStrings.add(link.data.from + " --> " + link.data.to);
});
linkStrings.sort((a, b) => a < b ? -1 : 1);
linkStrings.each(str => {
text += str + ", ";
});
text = text.substring(0, text.length - 2);
}
}
} else if (x instanceof go.Link) {
// if it"s a link, display its to and from nodes
text += "Link: " + x.data.from + " --> " + x.data.to +
"\nNode To: " + x.data.to + "\nNode From: " + x.data.from;
var grp = containing(x, 0); // and containing group, if it has one
if (grp !== null) text += "\nContaining SubGraph: " + grp.data.key;
}
return text;
}
window.addEventListener('DOMContentLoaded', init);
</script>
<div id="sample">
<div id="displays" style="width:100%; white-space:nowrap;">
<div id="myDiagramDiv" style="border: solid 1px black; height: 560px; display: inline-block; vertical-align: top; width: 70%"></div>
<div id="controls" style="border: solid 1px black; height: 560px; width: 200px; display: inline-block; vertical-align: top;">
<div id="buttons" style="border-radius: 10px; border: solid 1px gray; background-color: #eaeaea; margin: 5px;">
<b style="margin: 5px">Related Parts Highlighted</b> <br />
<label><input type="radio" name="highlight" onclick="updateHighlights(this)" id="None">Unhighlight All</label><br />
<label><input type="radio" name="highlight" onclick="updateHighlights(this)" id="linksIn">Links Into</label><br />
<label><input type="radio" name="highlight" onclick="updateHighlights(this)" id="linksOut">Links Out Of</label><br />
<label><input type="radio" name="highlight" onclick="updateHighlights(this)" id="linksAll">Links Connected</label><br />
<label><input type="radio" name="highlight" onclick="updateHighlights(this)" id="nodesIn">Nodes Into</label><br />
<label><input type="radio" name="highlight" onclick="updateHighlights(this)" id="nodesOut">Nodes Out Of</label><br />
<label><input type="radio" name="highlight" onclick="updateHighlights(this)" id="nodesConnect">Nodes Connected</label><br />
<label><input type="radio" name="highlight" onclick="updateHighlights(this)" id="nodesReach" checked="checked">Nodes Reachable</label><br />
<label><input type="radio" name="highlight" onclick="updateHighlights(this)" id="group">Containing Group (Parent)</label><br />
<label><input type="radio" name="highlight" onclick="updateHighlights(this)" id="groupsAll">Containing Groups (All)</label><br />
<label><input type="radio" name="highlight" onclick="updateHighlights(this)" id="nodesMember">Member Nodes (Children)</label><br />
<label><input type="radio" name="highlight" onclick="updateHighlights(this)" id="nodesMembersAll">Member Nodes (All)</label><br />
<label><input type="radio" name="highlight" onclick="updateHighlights(this)" id="linksMember">Member Links (Children)</label><br />
<label><input type="radio" name="highlight" onclick="updateHighlights(this)" id="linksMembersAll">Member Links (All)</label><br />
</div>
<div id="colorKey" style="border-radius: 10px; border: solid 1px gray; background-color: #eaeaea; margin: 5px;">
<b style="margin: 5px">Relationship Colors</b>
<table>
<tr><td><div style="float: left; margin: 5px; height: 20px; width: 20px; background-color: black;"></div> </td>
<td>Not related </td></tr>
<tr><td><div style="float: left; margin: 5px; height: 20px; width: 20px; background-color: blue;"></div> </td>
<td>Directly related </td></tr>
<tr><td><div style="float: left; margin: 5px; height: 20px; width: 20px; background-color: green;"></div> </td>
<td>2 relationships apart </td></tr>
<tr><td><div style="float: left; margin: 5px; height: 20px; width: 20px; background-color: orange;"></div></td>
<td>3 relationships apart </td></tr>
<tr><td><div style="float: left; margin: 5px; height: 20px; width: 20px; background-color: red;"></div> </td>
<td>4 relationships apart </td></tr>
<tr><td><div style="float: left; margin: 5px; height: 20px; width: 20px; background-color: purple;"></div></td>
<td>Very indirectly related</td></tr>
</table>
</div>
</div>
</div>
<div>
<p>This sample displays relationships between different parts of a diagram.</p>
<p>
Select a node or link and one of the radio buttons to highlight parts with a certain relationship to the one selected.
The highlighting color depends on the "distance" between the parts.
</p>
</div>
</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>