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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>Network Configuration</title>
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<meta name="description" content="A simple network configuration editor." />
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<!-- Copyright 1998-2019 by Northwoods Software Corporation. -->
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<script src="../release/go.js"></script>
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<script src="../extensions/Figures.js"></script>
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<script src="../assets/js/goSamples.js"></script> <!-- this is only for the GoJS Samples framework -->
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<script id="code">
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function init() {
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if (window.goSamples) goSamples(); // init for these samples -- you don't need to call this
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var $ = go.GraphObject.make;
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myDiagram =
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$(go.Diagram, "myDiagramDiv",
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{
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"linkingTool.direction": go.LinkingTool.ForwardsOnly,
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"undoManager.isEnabled": true
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});
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// when the document is modified, add a "*" to the title and enable the "Save" button
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myDiagram.addDiagramListener("Modified", function(e) {
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var button = document.getElementById("saveModel");
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if (button) button.disabled = !myDiagram.isModified;
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var idx = document.title.indexOf("*");
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if (myDiagram.isModified) {
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if (idx < 0) document.title += "*";
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} else {
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if (idx >= 0) document.title = document.title.substr(0, idx);
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}
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});
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myDiagram.nodeTemplateMap.add("Generator",
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$(go.Node, "Spot",
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{ locationSpot: go.Spot.Center, selectionObjectName: "BODY" },
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new go.Binding("location", "location", go.Point.parse).makeTwoWay(go.Point.stringify),
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$(go.Shape, "ACVoltageSource",
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{
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name: "BODY", stroke: "white", strokeWidth: 3, fill: "transparent", background: "darkblue",
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width: 40, height: 40, margin: 5,
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portId: "", fromLinkable: true, cursor: "pointer", fromSpot: go.Spot.TopBottomSides, toSpot: go.Spot.TopBottomSides
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}),
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$(go.TextBlock,
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{ alignment: go.Spot.Right, alignmentFocus: go.Spot.Left, editable: true },
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new go.Binding("text").makeTwoWay())
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));
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myDiagram.nodeTemplateMap.add("Connector",
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$(go.Node, "Spot",
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{ locationSpot: go.Spot.Center, selectionObjectName: "BODY" },
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new go.Binding("location", "location", go.Point.parse).makeTwoWay(go.Point.stringify),
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$(go.Shape, "Circle",
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{
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name: "BODY", stroke: null, fill: $(go.Brush, "Linear", { 0: "lightgray", 1: "gray" }), background: "gray",
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width: 20, height: 20, margin: 2,
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portId: "", fromLinkable: true, cursor: "pointer", fromSpot: go.Spot.TopBottomSides, toSpot: go.Spot.TopBottomSides
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}),
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$(go.TextBlock,
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{ alignment: go.Spot.Right, alignmentFocus: go.Spot.Left, editable: true },
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new go.Binding("text").makeTwoWay())
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));
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myDiagram.nodeTemplateMap.add("Consumer",
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$(go.Node, "Spot",
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{
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locationSpot: go.Spot.Center, locationObjectName: "BODY",
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selectionObjectName: "BODY"
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},
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new go.Binding("location", "location", go.Point.parse).makeTwoWay(go.Point.stringify),
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$(go.Picture, "images/pc.jpg",
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{
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name: "BODY", width: 50, height: 40, margin: 2,
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portId: "", fromLinkable: true, cursor: "pointer", fromSpot: go.Spot.TopBottomSides, toSpot: go.Spot.TopBottomSides
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}),
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$(go.TextBlock,
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{ alignment: go.Spot.Right, alignmentFocus: go.Spot.Left, editable: true },
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new go.Binding("text").makeTwoWay())
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));
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myDiagram.nodeTemplateMap.add("HBar",
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$(go.Node, "Spot",
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new go.Binding("location", "location", go.Point.parse).makeTwoWay(go.Point.stringify),
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{
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layerName: "Background",
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// special resizing: just at the ends
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resizable: true, resizeObjectName: "SHAPE",
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resizeAdornmentTemplate:
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$(go.Adornment, "Spot",
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$(go.Placeholder),
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$(go.Shape, // left resize handle
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{
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alignment: go.Spot.Left, cursor: "col-resize",
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desiredSize: new go.Size(6, 6), fill: "lightblue", stroke: "dodgerblue"
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}),
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$(go.Shape, // right resize handle
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{
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alignment: go.Spot.Right, cursor: "col-resize",
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desiredSize: new go.Size(6, 6), fill: "lightblue", stroke: "dodgerblue"
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}))
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},
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$(go.Shape, "Rectangle",
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{
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name: "SHAPE",
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fill: "black", stroke: null, strokeWidth: 0,
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width: 1000, height: 4,
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minSize: new go.Size(100, 4),
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maxSize: new go.Size(Infinity, 4)
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},
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new go.Binding("desiredSize", "size", go.Size.parse).makeTwoWay(go.Size.stringify),
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new go.Binding("fill"),
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{ portId: "", toLinkable: true }),
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$(go.TextBlock,
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{ alignment: go.Spot.Right, alignmentFocus: go.Spot.Left, editable: true },
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new go.Binding("text").makeTwoWay())
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));
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myDiagram.linkTemplate =
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$(BarLink, // subclass defined below
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{
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routing: go.Link.Orthogonal,
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relinkableFrom: true, relinkableTo: true,
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toPortChanged: function(link, oldport, newport) {
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if (newport instanceof go.Shape) link.path.stroke = newport.fill;
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}
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},
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$(go.Shape,
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{ strokeWidth: 2 })
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);
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// start off with a simple diagram
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load();
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// initialize Palette
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myPalette =
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$(go.Palette, "myPaletteDiv",
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{
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nodeTemplateMap: myDiagram.nodeTemplateMap,
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layout:
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$(go.GridLayout,
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{
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cellSize: new go.Size(2, 2),
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isViewportSized: true
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})
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}
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);
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myPalette.model.nodeDataArray = [
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{ "text": "Generator", "category": "Generator" },
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{ "text": "Consumer", "category": "Consumer" },
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{ "text": "Connector", "category": "Connector" },
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{ "text": "Bar", "category": "HBar", "size": "100 4" },
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];
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// remove cursors on all ports in the Palette
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// make TextBlocks invisible, to reduce size of Nodes
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myPalette.nodes.each(function(node) {
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node.ports.each(function(port) {
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port.cursor = "";
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});
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node.elements.each(function(tb) {
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if (tb instanceof go.TextBlock) tb.visible = false;
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});
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});
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// initialize Overview
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myOverview =
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$(go.Overview, "myOverviewDiv",
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{
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observed: myDiagram,
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contentAlignment: go.Spot.Center
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});
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}
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function BarLink() {
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go.Link.call(this);
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}
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go.Diagram.inherit(BarLink, go.Link);
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BarLink.prototype.getLinkPoint = function(node, port, spot, from, ortho, othernode, otherport) {
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if (node.category === "HBar") {
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var op = go.Link.prototype.getLinkPoint.call(this, othernode, otherport, this.computeSpot(!from), !from, ortho, node, port);
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var r = port.getDocumentBounds();
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var y = (op.y > r.centerY) ? r.bottom : r.top;
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if (op.x < r.left) return new go.Point(r.left, y);
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if (op.x > r.right) return new go.Point(r.right, y);
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return new go.Point(op.x, y);
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} else {
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return go.Link.prototype.getLinkPoint.call(this, node, port, spot, from, ortho, othernode, otherport);
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}
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};
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BarLink.prototype.getLinkDirection = function(node, port, linkpoint, spot, from, ortho, othernode, otherport) {
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var p = port.getDocumentPoint(go.Spot.Center);
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var op = otherport.getDocumentPoint(go.Spot.Center);
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var below = op.y > p.y;
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return below ? 90 : 270;
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};
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// end BarLink class
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// save a model to and load a model from JSON text, displayed below the Diagram
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function save() {
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document.getElementById("mySavedModel").value = myDiagram.model.toJson();
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myDiagram.isModified = false;
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}
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function load() {
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myDiagram.model = go.Model.fromJson(document.getElementById("mySavedModel").value);
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}
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</script>
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</head>
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<body onload="init()">
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<div id="sample">
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<div style="width: 100%; display: flex; justify-content: space-between">
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<div style="display: flex; flex-direction: column; margin-right: 2px">
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<div id="myPaletteDiv" style="flex-grow: 1; width: 100px; background-color: whitesmoke; border: solid 1px black"></div>
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<div id="myOverviewDiv" style="margin-top: 2px; width: 100px; height: 100px; background-color: lightgray; border: solid 1px black"></div>
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</div>
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<div id="myDiagramDiv" style="flex-grow: 1; height: 400px; border: solid 1px black"></div>
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</div>
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<div id="buttons">
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<button id="loadModel" onclick="load()">Load</button>
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<button id="saveModel" onclick="save()">Save</button>
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</div>
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<textarea id="mySavedModel" style="width:100%;height:300px">
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{ "class": "go.GraphLinksModel",
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"nodeDataArray": [
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{"key":0, "text":"Gen1", "category":"Generator", "location":"300 0"},
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{"key":1, "text":"Bar1", "category":"HBar", "location":"100 100", "size":"500 4", "fill":"green"},
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{"key":3, "text":"Cons1", "category":"Consumer", "location":"53 234"},
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{"key":2, "text":"Bar2", "category":"HBar", "location":"0 300", "size":"600 4", "fill":"orange"},
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{"key":4, "text":"Conn1", "category":"Connector", "location":"232.5 207.75"},
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{"key":5, "text":"Cons3", "category":"Consumer", "location":"357.5 230.75"},
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{"key":6, "text":"Cons2", "category":"Consumer", "location":"484.5 164.75"}
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],
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"linkDataArray": [
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{"from":0, "to":1},
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{"from":0, "to":2},
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{"from":3, "to":2},
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{"from":4, "to":1},
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{"from":4, "to":2},
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{"from":5, "to":2},
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{"from":6, "to":1}
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]}
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</textarea>
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</div>
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</body>
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</html>
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