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<!DOCTYPE html>
<html>
<head>
<title>Data Flow Diagram</title>
<meta name="description" content="Directed acyclic graph of nodes with varying input and output ports with labels, oriented horizontally." />
<!-- Copyright 1998-2016 by Northwoods Software Corporation. -->
<meta charset="UTF-8">
<script src="go.js"></script>
<link href="../assets/css/goSamples.css" rel="stylesheet" type="text/css" /> <!-- you don't need to use this -->
<script src="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",
{
initialContentAlignment: go.Spot.Left,
initialAutoScale: go.Diagram.UniformToFill,
layout: $(go.LayeredDigraphLayout,
{ direction: 0 }),
"undoManager.isEnabled": true
}
);
function makePort(name, leftside) {
var port = $(go.Shape, "Rectangle",
{
fill: "gray", stroke: null, strokeWidth: 0,
desiredSize: new go.Size(8, 8),
portId: name, // declare this object to be a "port"
toMaxLinks: 1, // don't allow more than one link into a port
cursor: "pointer" // show a different cursor to indicate potential link point
});
var lab = $(go.TextBlock, name, // the name of the port
{ font: "7pt sans-serif" });
var panel = $(go.Panel, "Horizontal",
{ margin: new go.Margin(2, 0) });
if (leftside) {
port.toSpot = go.Spot.Left;
port.toLinkable = true;
lab.margin = new go.Margin(1, 0, 0, 1);
panel.alignment = go.Spot.TopLeft;
panel.add(port);
panel.add(lab);
} else {
port.fromSpot = go.Spot.Right;
port.fromLinkable = true;
lab.margin = new go.Margin(1, 1, 0, 0);
panel.alignment = go.Spot.TopRight;
panel.add(lab);
panel.add(port);
}
return panel;
}
function makeTemplate(typename, icon, background, inports, outports) {
var node = $(go.Node, "Spot",
$(go.Panel, "Auto",
{ width: 100, height: 120 },
$(go.Shape, "Rectangle",
{
fill: background, stroke: null, strokeWidth: 0,
spot1: go.Spot.TopLeft, spot2: go.Spot.BottomRight
}),
$(go.Panel, "Table",
$(go.TextBlock, typename,
{
row: 0,
margin: 3,
maxSize: new go.Size(80, NaN),
stroke: "white",
font: "bold 11pt sans-serif"
}),
$(go.Picture, icon,
{ row: 1, width: 55, height: 55 }),
$(go.TextBlock,
{
row: 2,
margin: 3,
editable: true,
maxSize: new go.Size(80, 40),
stroke: "white",
font: "bold 9pt sans-serif"
},
new go.Binding("text", "name").makeTwoWay())
)
),
$(go.Panel, "Vertical",
{
alignment: go.Spot.Left,
alignmentFocus: new go.Spot(0, 0.5, -8, 0)
},
inports),
$(go.Panel, "Vertical",
{
alignment: go.Spot.Right,
alignmentFocus: new go.Spot(1, 0.5, 8, 0)
},
outports)
);
myDiagram.nodeTemplateMap.add(typename, node);
}
makeTemplate("Table", "images/55x55.png", "forestgreen",
[],
[makePort("OUT", false)]);
makeTemplate("Join", "images/55x55.png", "mediumorchid",
[makePort("L", true), makePort("R", true)],
[makePort("UL", false), makePort("ML", false), makePort("M", false), makePort("MR", false), makePort("UR", false)]);
makeTemplate("Project", "images/55x55.png", "darkcyan",
[makePort("", true)],
[makePort("OUT", false)]);
makeTemplate("Filter", "images/55x55.png", "cornflowerblue",
[makePort("", true)],
[makePort("OUT", false),makePort("INV", false)]);
makeTemplate("Group", "images/55x55.png", "mediumpurple",
[makePort("", true)],
[makePort("OUT", false)]);
makeTemplate("Sort", "images/55x55.png", "sienna",
[makePort("", true)],
[makePort("OUT", false)]);
makeTemplate("Export", "images/55x55.png", "darkred",
[makePort("", true)],
[]);
myDiagram.linkTemplate =
$(go.Link,
{
routing: go.Link.Orthogonal, corner: 5,
relinkableFrom: true, relinkableTo: true
},
$(go.Shape, { stroke: "gray", strokeWidth: 2 }),
$(go.Shape, { stroke: "gray", fill: "gray", toArrow: "Standard" })
);
load();
}
// Show the diagram's model in JSON format that the user may edit
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 id="myDiagramDiv" style="background-color: whitesmoke; border: solid 1px black; width: 100%; height: 600px"></div>
<p>
This sample demonstrates labelled ports on nodes.
</p>
<p>
For the same data model rendered somewhat differently, see the <a href="dataFlowVertical.html">Data Flow (vertical)</a> sample.
</p>
<button id="SaveButton" onclick="save()">Save</button>
<button onclick="load()">Load</button>
<textarea id="mySavedModel" style="width:100%;height:300px">
{ "class": "go.GraphLinksModel",
"nodeCategoryProperty": "type",
"linkFromPortIdProperty": "frompid",
"linkToPortIdProperty": "topid",
"nodeDataArray": [
{"key":1, "type":"Table", "name":"Product"},
{"key":2, "type":"Table", "name":"Sales"},
{"key":3, "type":"Table", "name":"Period"},
{"key":4, "type":"Table", "name":"Store"},
{"key":11, "type":"Join", "name":"Product, Class"},
{"key":12, "type":"Join", "name":"Period"},
{"key":13, "type":"Join", "name":"Store"},
{"key":21, "type":"Project", "name":"Product, Class"},
{"key":31, "type":"Filter", "name":"Boston, Jan2014"},
{"key":32, "type":"Filter", "name":"Boston, 2014"},
{"key":41, "type":"Group", "name":"Sales"},
{"key":42, "type":"Group", "name":"Total Sales"},
{"key":51, "type":"Join", "name":"Product Name"},
{"key":61, "type":"Sort", "name":"Product Name"},
{"key":71, "type":"Export", "name":"File"}
],
"linkDataArray": [
{"from":1, "frompid":"OUT", "to":11, "topid":"L"},
{"from":2, "frompid":"OUT", "to":11, "topid":"R"},
{"from":3, "frompid":"OUT", "to":12, "topid":"R"},
{"from":4, "frompid":"OUT", "to":13, "topid":"R"},
{"from":11, "frompid":"M", "to":12, "topid":"L"},
{"from":12, "frompid":"M", "to":13, "topid":"L"},
{"from":13, "frompid":"M", "to":21},
{"from":21, "frompid":"OUT", "to":31},
{"from":21, "frompid":"OUT", "to":32},
{"from":31, "frompid":"OUT", "to":41},
{"from":32, "frompid":"OUT", "to":42},
{"from":41, "frompid":"OUT", "to":51, "topid":"L"},
{"from":42, "frompid":"OUT", "to":51, "topid":"R"},
{"from":51, "frompid":"OUT", "to":61},
{"from":61, "frompid":"OUT", "to":71}
]}
</textarea>
</div>
</body>
</html>