react-diagrams/demos/demo3/index.ts

import * as SRD from "../../src/main";
import * as React from "react";
import * as ReactDOM from "react-dom";
import {DiamondNodeModel} from "./DiamondNodeModel";
import {DiamondWidgetFactory} from "./DiamondWidgetFactory";
import {DiamondNodeFactory, DiamondPortFactory} from "./DiamondInstanceFactories";

declare var require: {
    <T>(path: string): T;
    (paths: string[], callback: (...modules: any[]) => void): void;
    ensure: (paths: string[], callback: (require: <T>(path: string) => T) => void) => void;
};

require("../test.scss");


/**
 * 
 * Shows a much more complex way on how to use this library, by creating custom
 * node elements
 * 
 * 
 * @Author Dylan Vorster
 */
window.onload = () => {
	
	//1) setup the diagram engine
	var engine = new SRD.DiagramEngine();
	engine.registerNodeFactory(new SRD.DefaultNodeFactory());
	engine.registerLinkFactory(new SRD.DefaultLinkFactory());
	engine.registerNodeFactory(new DiamondWidgetFactory());
	
	
	//2) setup the diagram model
	var model = new SRD.DiagramModel();
	
	//3-A) create a default node
	var node1 = new SRD.DefaultNodeModel("Node 1","rgb(0,192,255)");
	var port1 = node1.addPort(new SRD.DefaultPortModel(false,"out-1","Out"));
	node1.x = 100;
	node1.y = 150;
	
	//3-B) create our new custom node
	var node2 = new DiamondNodeModel();
	node2.x = 400;
	node2.y = 100;
	
	var node3 = new SRD.DefaultNodeModel("Node 3","red");
	var port3 = node3.addPort(new SRD.DefaultPortModel(true,"in-1","In"));
	node3.x = 800;
	node3.y = 150;
	
	//3-C) link the 2 nodes together
	var link1 = new SRD.LinkModel();
	link1.setSourcePort(port1);
	link1.setTargetPort(node2.ports['left']);
	
	var link2 = new SRD.LinkModel();
	link2.setSourcePort(node2.ports['right']);
	link2.setTargetPort(port3);
	
	//4) add the models to the root graph
	model.addNode(node1);
	model.addNode(node2);
	model.addNode(node3);
	model.addLink(link1);
	model.addLink(link2);
	
	//5) load model into engine
	engine.setDiagramModel(model);
	
	//6) render the diagram!
	
	
	ReactDOM.render(React.createElement(SRD.DiagramWidget,{diagramEngine: engine}), document.body);
	
	
	//!------------- SERIALIZING / DESERIALIZING ------------
	
	//we need this to help the system know what models to create form the JSON
	engine.registerInstanceFactory(new SRD.DefaultNodeInstanceFactory());
	engine.registerInstanceFactory(new SRD.DefaultPortInstanceFactory());
	engine.registerInstanceFactory(new SRD.LinkInstanceFactory());
	engine.registerInstanceFactory(new DiamondNodeFactory());
	engine.registerInstanceFactory(new DiamondPortFactory());
	
	//serialize the model
	var str = JSON.stringify(model.serializeDiagram());
	console.log(str);
	
	//deserialize the model
	var model2 = new SRD.DiagramModel();
	model2.deSerializeDiagram(JSON.parse(str),engine);
	engine.setDiagramModel(model2);
	console.log(model2);
	
	//re-render the model
	ReactDOM.render(React.createElement(SRD.DiagramWidget,{diagramEngine: engine}), document.body);
}