gojs
Version:
Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
254 lines (233 loc) • 10.3 kB
HTML
<html>
<head>
<meta charset="UTF-8">
<title>Network Configuration</title>
<meta name="description" content="A simple network configuration editor." />
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- Copyright 1998-2020 by Northwoods Software Corporation. -->
<script src="../release/go.js"></script>
<script src="../extensions/Figures.js"></script>
<script src="../assets/js/goSamples.js"></script> <!-- this is only for the GoJS Samples framework -->
<script id="code">
function init() {
if (window.goSamples) goSamples(); // init for these samples -- you don't need to call this
var $ = go.GraphObject.make;
myDiagram =
$(go.Diagram, "myDiagramDiv",
{
"linkingTool.direction": go.LinkingTool.ForwardsOnly,
"undoManager.isEnabled": true
});
// when the document is modified, add a "*" to the title and enable the "Save" button
myDiagram.addDiagramListener("Modified", function(e) {
var button = document.getElementById("saveModel");
if (button) button.disabled = !myDiagram.isModified;
var idx = document.title.indexOf("*");
if (myDiagram.isModified) {
if (idx < 0) document.title += "*";
} else {
if (idx >= 0) document.title = document.title.substr(0, idx);
}
});
myDiagram.nodeTemplateMap.add("Generator",
$(go.Node, "Spot",
{ locationSpot: go.Spot.Center, selectionObjectName: "BODY" },
new go.Binding("location", "location", go.Point.parse).makeTwoWay(go.Point.stringify),
$(go.Shape, "ACVoltageSource",
{
name: "BODY", stroke: "white", strokeWidth: 3, fill: "transparent", background: "darkblue",
width: 40, height: 40, margin: 5,
portId: "", fromLinkable: true, cursor: "pointer", fromSpot: go.Spot.TopBottomSides, toSpot: go.Spot.TopBottomSides
}),
$(go.TextBlock,
{ alignment: go.Spot.Right, alignmentFocus: go.Spot.Left, editable: true },
new go.Binding("text").makeTwoWay())
));
myDiagram.nodeTemplateMap.add("Connector",
$(go.Node, "Spot",
{ locationSpot: go.Spot.Center, selectionObjectName: "BODY" },
new go.Binding("location", "location", go.Point.parse).makeTwoWay(go.Point.stringify),
$(go.Shape, "Circle",
{
name: "BODY", stroke: null, fill: $(go.Brush, "Linear", { 0: "lightgray", 1: "gray" }), background: "gray",
width: 20, height: 20, margin: 2,
portId: "", fromLinkable: true, cursor: "pointer", fromSpot: go.Spot.TopBottomSides, toSpot: go.Spot.TopBottomSides
}),
$(go.TextBlock,
{ alignment: go.Spot.Right, alignmentFocus: go.Spot.Left, editable: true },
new go.Binding("text").makeTwoWay())
));
myDiagram.nodeTemplateMap.add("Consumer",
$(go.Node, "Spot",
{
locationSpot: go.Spot.Center, locationObjectName: "BODY",
selectionObjectName: "BODY"
},
new go.Binding("location", "location", go.Point.parse).makeTwoWay(go.Point.stringify),
$(go.Picture, "images/pc.jpg",
{
name: "BODY", width: 50, height: 40, margin: 2,
portId: "", fromLinkable: true, cursor: "pointer", fromSpot: go.Spot.TopBottomSides, toSpot: go.Spot.TopBottomSides
}),
$(go.TextBlock,
{ alignment: go.Spot.Right, alignmentFocus: go.Spot.Left, editable: true },
new go.Binding("text").makeTwoWay())
));
myDiagram.nodeTemplateMap.add("HBar",
$(go.Node, "Spot",
new go.Binding("location", "location", go.Point.parse).makeTwoWay(go.Point.stringify),
{
layerName: "Background",
// special resizing: just at the ends
resizable: true, resizeObjectName: "SHAPE",
resizeAdornmentTemplate:
$(go.Adornment, "Spot",
$(go.Placeholder),
$(go.Shape, // left resize handle
{
alignment: go.Spot.Left, cursor: "col-resize",
desiredSize: new go.Size(6, 6), fill: "lightblue", stroke: "dodgerblue"
}),
$(go.Shape, // right resize handle
{
alignment: go.Spot.Right, cursor: "col-resize",
desiredSize: new go.Size(6, 6), fill: "lightblue", stroke: "dodgerblue"
}))
},
$(go.Shape, "Rectangle",
{
name: "SHAPE",
fill: "black", stroke: null, strokeWidth: 0,
width: 1000, height: 4,
minSize: new go.Size(100, 4),
maxSize: new go.Size(Infinity, 4)
},
new go.Binding("desiredSize", "size", go.Size.parse).makeTwoWay(go.Size.stringify),
new go.Binding("fill"),
{ portId: "", toLinkable: true }),
$(go.TextBlock,
{ alignment: go.Spot.Right, alignmentFocus: go.Spot.Left, editable: true },
new go.Binding("text").makeTwoWay())
));
myDiagram.linkTemplate =
$(BarLink, // subclass defined below
{
routing: go.Link.Orthogonal,
relinkableFrom: true, relinkableTo: true,
toPortChanged: function(link, oldport, newport) {
if (newport instanceof go.Shape) link.path.stroke = newport.fill;
}
},
$(go.Shape,
{ strokeWidth: 2 })
);
// start off with a simple diagram
load();
// initialize Palette
myPalette =
$(go.Palette, "myPaletteDiv",
{
nodeTemplateMap: myDiagram.nodeTemplateMap,
layout:
$(go.GridLayout,
{
cellSize: new go.Size(2, 2),
isViewportSized: true
})
}
);
myPalette.model.nodeDataArray = [
{ "text": "Generator", "category": "Generator" },
{ "text": "Consumer", "category": "Consumer" },
{ "text": "Connector", "category": "Connector" },
{ "text": "Bar", "category": "HBar", "size": "100 4" },
];
// remove cursors on all ports in the Palette
// make TextBlocks invisible, to reduce size of Nodes
myPalette.nodes.each(function(node) {
node.ports.each(function(port) {
port.cursor = "";
});
node.elements.each(function(tb) {
if (tb instanceof go.TextBlock) tb.visible = false;
});
});
// initialize Overview
myOverview =
$(go.Overview, "myOverviewDiv",
{
observed: myDiagram,
contentAlignment: go.Spot.Center
});
}
function BarLink() {
go.Link.call(this);
}
go.Diagram.inherit(BarLink, go.Link);
BarLink.prototype.getLinkPoint = function(node, port, spot, from, ortho, othernode, otherport) {
if (node.category === "HBar") {
var op = go.Link.prototype.getLinkPoint.call(this, othernode, otherport, this.computeSpot(!from), !from, ortho, node, port);
var r = port.getDocumentBounds();
var y = (op.y > r.centerY) ? r.bottom : r.top;
if (op.x < r.left) return new go.Point(r.left, y);
if (op.x > r.right) return new go.Point(r.right, y);
return new go.Point(op.x, y);
} else {
return go.Link.prototype.getLinkPoint.call(this, node, port, spot, from, ortho, othernode, otherport);
}
};
BarLink.prototype.getLinkDirection = function(node, port, linkpoint, spot, from, ortho, othernode, otherport) {
var p = port.getDocumentPoint(go.Spot.Center);
var op = otherport.getDocumentPoint(go.Spot.Center);
var below = op.y > p.y;
return below ? 90 : 270;
};
// end BarLink class
// save a model to and load a model from JSON text, displayed below the Diagram
function save() {
document.getElementById("mySavedModel").value = myDiagram.model.toJson();
myDiagram.isModified = false;
}
function load() {
myDiagram.model = go.Model.fromJson(document.getElementById("mySavedModel").value);
}
</script>
</head>
<body onload="init()">
<div id="sample">
<div style="width: 100%; display: flex; justify-content: space-between">
<div style="display: flex; flex-direction: column; margin-right: 2px">
<div id="myPaletteDiv" style="flex-grow: 1; width: 100px; background-color: whitesmoke; border: solid 1px black"></div>
<div id="myOverviewDiv" style="margin-top: 2px; width: 100px; height: 100px; background-color: lightgray; border: solid 1px black"></div>
</div>
<div id="myDiagramDiv" style="flex-grow: 1; height: 400px; border: solid 1px black"></div>
</div>
<div id="buttons">
<button id="loadModel" onclick="load()">Load</button>
<button id="saveModel" onclick="save()">Save</button>
</div>
<textarea id="mySavedModel" style="width:100%;height:300px">
{ "class": "go.GraphLinksModel",
"nodeDataArray": [
{"key":0, "text":"Gen1", "category":"Generator", "location":"300 0"},
{"key":1, "text":"Bar1", "category":"HBar", "location":"100 100", "size":"500 4", "fill":"green"},
{"key":3, "text":"Cons1", "category":"Consumer", "location":"53 234"},
{"key":2, "text":"Bar2", "category":"HBar", "location":"0 300", "size":"600 4", "fill":"orange"},
{"key":4, "text":"Conn1", "category":"Connector", "location":"232.5 207.75"},
{"key":5, "text":"Cons3", "category":"Consumer", "location":"357.5 230.75"},
{"key":6, "text":"Cons2", "category":"Consumer", "location":"484.5 164.75"}
],
"linkDataArray": [
{"from":0, "to":1},
{"from":0, "to":2},
{"from":3, "to":2},
{"from":4, "to":1},
{"from":4, "to":2},
{"from":5, "to":2},
{"from":6, "to":1}
]}
</textarea>
</div>
</body>
</html>