gojs

<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Parallel Layout</title> <meta name="description" content="TypeScript: A custom Layout that arranges a collection of nodes and links where there is a single 'split' node and a single 'merge' node, and all nodes are in paths of links that come from the 'split' node and go to the 'merge' node." /> <meta name="viewport" content="width=device-width, initial-scale=1">  <script src="../assets/js/goSamples.js"></script>  </head> <body> <div id="sample"> <div id="myDiagramDiv" style="border: solid 1px black; background: white; width: 100%; height: 500px"></div> <p> This sample demonstrates a custom <a>TreeLayout</a>, ParallelLayout, which assumes that there is a single "Split" node that is the root of a tree, other than links that connect with a single "Merge" node. The layout is defined in its own file, as <a href="ParallelLayout.ts">ParallelLayout.ts</a>. </p> <p> Both the <a>Diagram.layout</a> and the <a>Group.layout</a> are instances of ParallelLayout, allowing for nested layouts that appear in parallel. </p> </div> <script type="module" id="code"> import * as go from "../release/go-module.js"; import { ParallelLayout } from './ParallelLayout.js'; if (window.goSamples) window.goSamples(); // init for these samples -- you don't need to call this const $ = go.GraphObject.make; // for conciseness in defining templates const myDiagram = $(go.Diagram, 'myDiagramDiv', // must be the ID or reference to div { allowCopy: false, allowDelete: false, layout: $(ParallelLayout, { layerSpacing: 20, nodeSpacing: 10 }) }); // define the Node templates myDiagram.nodeTemplate = $(go.Node, 'Auto', { locationSpot: go.Spot.Center }, $(go.Shape, 'Rectangle', { fill: 'wheat', stroke: null, strokeWidth: 0 }), $(go.TextBlock, { margin: 3 }, new go.Binding('text'))); myDiagram.nodeTemplateMap.add('Split', $(go.Node, 'Auto', { locationSpot: go.Spot.Center }, $(go.Shape, 'Diamond', { fill: 'deepskyblue', stroke: null, strokeWidth: 0, desiredSize: new go.Size(28, 28) }), $(go.TextBlock, new go.Binding('text')))); myDiagram.nodeTemplateMap.add('Merge', $(go.Node, 'Auto', { locationSpot: go.Spot.Center }, $(go.Shape, 'Circle', { fill: 'deepskyblue', stroke: null, strokeWidth: 0, desiredSize: new go.Size(28, 28) }), $(go.TextBlock, new go.Binding('text')))); // define the Link template to be minimal myDiagram.linkTemplate = $(go.Link, { routing: go.Link.Orthogonal, corner: 5, reshapable: true }, $(go.Shape, { stroke: 'gray', strokeWidth: 1.5 })); // define the Group template to be fairly simple myDiagram.groupTemplate = $(go.Group, 'Auto', { layout: $(ParallelLayout, { layerSpacing: 20, nodeSpacing: 10 }) }, $(go.Shape, { fill: 'transparent', stroke: 'darkgoldenrod' }), $(go.Placeholder, { padding: 10 }), $('SubGraphExpanderButton', { alignment: go.Spot.TopLeft })); myDiagram.model = new go.GraphLinksModel([ { key: -1, isGroup: true }, { key: -2, isGroup: true }, { key: -3, isGroup: true }, { key: 1, text: 'S', category: 'Split', group: -1 }, { key: 2, text: 'C', group: -1 }, { key: 3, text: 'Longer Node', group: -1 }, { key: 4, text: 'A', group: -1 }, { key: 5, text: 'B\nB', group: -1 }, { key: 6, text: 'Another', group: -1 }, { key: 9, text: 'J', category: 'Merge', group: -1 }, { key: 11, text: 'T', category: 'Split', group: -2 }, { key: 12, text: 'C', group: -2 }, { key: 13, text: 'Here', group: -2 }, { key: 14, text: 'D', group: -2 }, { key: 15, text: 'Everywhere', group: -2 }, { key: 16, text: 'EEEEE', group: -2 }, { key: 19, text: 'K', category: 'Merge', group: -2 }, { key: 21, text: 'U', category: 'Split', group: -3 }, { key: 22, text: 'F', group: -3 }, { key: 23, text: 'Medium\nTall\nNode', group: -3 }, { key: 24, text: 'G', group: -3 }, { key: 25, text: 'AS', group: -3 }, { key: 26, text: 'H\nHH\nHHH', group: -3 }, { key: 27, text: 'I', group: -3 }, { key: 29, text: 'L', category: 'Merge', group: -3 }, { key: 101, text: '0', category: 'Split' }, { key: 107, text: 'ABCDEFG' }, { key: 109, text: '*', category: 'Merge' } ], [ { from: 1, to: 2 }, { from: 2, to: 3 }, { from: 3, to: 4 }, { from: 4, to: 9 }, { from: 1, to: 5 }, { from: 5, to: 6 }, { from: 6, to: 9 }, { from: 9, to: 11 }, { from: 9, to: 21 }, { from: 11, to: 12 }, { from: 12, to: 13 }, { from: 13, to: 14 }, { from: 14, to: 19 }, { from: 11, to: 15 }, { from: 15, to: 16 }, { from: 16, to: 19 }, { from: 21, to: 22 }, { from: 22, to: 24 }, { from: 24, to: 26 }, { from: 23, to: 29 }, { from: 21, to: 25 }, { from: 25, to: 23 }, { from: 21, to: 27 }, { from: 26, to: 29 }, { from: 27, to: 29 }, { from: 101, to: 1 }, { from: 19, to: 109 }, { from: 29, to: 107 }, { from: 107, to: 109 } ]); window.myDiagram = myDiagram; // Attach to the window for console debugging </script> </body> </html>