wip

on deserialization of diagram, labels are not getting rendered bug re…

.gitignore

@@ -3,6 +3,7 @@ dist/main.js
 dist/main.js.map
 /package
 *.tgz
+@types/
 
 .out
 

.storybook/webpack.config.js

@@ -22,7 +22,7 @@ module.exports = {
 			},
 			{
 				test: /\.tsx?$/,
-				loader: 'awesome-typescript-loader',
+				loader: 'awesome-typescript-loader?declaration=false',
 			},
 			{
 				test: /\.(woff|woff2|eot|ttf|otf|svg)$/,

.yarnrc

@@ -0,0 +1 @@
+--ignore-engines true

README.md

@@ -1,5 +1,9 @@
 # STORM React Diagrams
 
+**PSA**: React Diagrams is currently getting a bit of a rewrite to enable much more advanced features. To see the new foundation WIP visit [https://github.com/projectstorm/react-canvas](https://github.com/projectstorm/react-canvas).
+
+---
+
 **DEMO**: [http://www.projectstorm.io/react-diagrams](http://www.projectstorm.io/react-diagrams)
 
 **DOCS:** [https://projectstorm.gitbooks.io/react-diagrams](https://projectstorm.gitbooks.io/react-diagrams)
@@ -8,7 +12,7 @@
 
 A super simple, no-nonsense diagramming library written in React that just works.
 
-[![Join the chat at https://gitter.im/projectstorm/react-diagrams](https://badges.gitter.im/projectstorm/react-diagrams.svg)](https://gitter.im/projectstorm/react-diagrams?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)  [![NPM](https://img.shields.io/npm/v/storm-react-diagrams.svg)](https://npmjs.org/package/storm-react-diagrams)  [![NPM](https://img.shields.io/npm/dt/storm-react-diagrams.svg)](https://npmjs.org/package/storm-react-diagrams) ![](https://www.gitbook.com/button/status/book/projectstorm/react-diagrams)  [![CircleCI](https://circleci.com/gh/projectstorm/react-diagrams/tree/master.svg?style=svg)](https://circleci.com/gh/projectstorm/react-diagrams/tree/master)
+[![Join the chat at https://gitter.im/projectstorm/react-diagrams](https://badges.gitter.im/projectstorm/react-diagrams.svg)](https://gitter.im/projectstorm/react-diagrams?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)  [![NPM](https://img.shields.io/npm/v/storm-react-diagrams.svg)](https://npmjs.org/package/storm-react-diagrams)  [![NPM](https://img.shields.io/npm/dt/storm-react-diagrams.svg)](https://npmjs.org/package/storm-react-diagrams) [![Package Quality](http://npm.packagequality.com/shield/storm-react-diagrams.svg)](http://packagequality.com/#?package=storm-react-diagrams)  [![CircleCI](https://circleci.com/gh/projectstorm/react-diagrams/tree/master.svg?style=svg)](https://circleci.com/gh/projectstorm/react-diagrams/tree/master)
 
 ![Personal Project](./images/example1.jpg)
 

demos/demo-cloning/index.tsx

@@ -59,7 +59,7 @@ class CloneSelected extends React.Component<any, any> {
 export default () => {
 	//1) setup the diagram engine
 	var engine = new DiagramEngine();
-	engine.installDefaultFactories();
+	engine.installDefaults();
 
 	//2) setup the diagram model
 	var model = new DiagramModel();
@@ -81,7 +81,7 @@ export default () => {
 	model.addAll(node1, node2, link1);
 
 	//5) load model into engine
-	engine.setDiagramModel(model);
+	engine.setModel(model);
 
 	//6) render the diagram!
 	return <CloneSelected engine={engine} model={model} />;

demos/demo-custom-link1/index.tsx

@@ -118,7 +118,7 @@ export class AdvancedLinkFactory extends DefaultLinkFactory {
 export default () => {
 	//1) setup the diagram engine
 	var engine = new DiagramEngine();
-	engine.installDefaultFactories();
+	engine.installDefaults();
 	engine.registerLinkFactory(new AdvancedLinkFactory());
 
 	// create some nodes
@@ -150,7 +150,7 @@ export default () => {
 	model.addAll(node1, node2, node3, node4);
 
 	// load model into engine
-	engine.setDiagramModel(model);
+	engine.setModel(model);
 
 	// render the diagram!
 	return <DiagramWidget className="srd-demo-canvas" diagramEngine={engine} />;

demos/demo-custom-node1/index.tsx

@@ -20,7 +20,7 @@ import { DiamondPortModel } from "./DiamondPortModel";
 export default () => {
 	//1) setup the diagram engine
 	var engine = new DiagramEngine();
-	engine.installDefaultFactories();
+	engine.installDefaults();
 
 	// register some other factories as well
 	engine.registerPortFactory(new SimplePortFactory("diamond", config => new DiamondPortModel()));
@@ -50,7 +50,7 @@ export default () => {
 	model.addAll(node1, node2, node3, link1, link2);
 
 	//5) load model into engine
-	engine.setDiagramModel(model);
+	engine.setModel(model);
 
 	//6) render the diagram!
 	return <DiagramWidget className="srd-demo-canvas" diagramEngine={engine} />;

demos/demo-dagre/index.tsx

@@ -40,7 +40,7 @@ class Demo8Widget extends React.Component<any, any> {
 		const { engine } = this.props;
 		const model = engine.getDiagramModel();
 		let distributedModel = getDistributedModel(engine, model);
-		engine.setDiagramModel(distributedModel);
+		engine.setModel(distributedModel);
 		this.forceUpdate();
 	}
 
@@ -68,7 +68,7 @@ function getDistributedModel(engine, model) {
 export default () => {
 	//1) setup the diagram engine
 	let engine = new DiagramEngine();
-	engine.installDefaultFactories();
+	engine.installDefaults();
 
 	//2) setup the diagram model
 	let model = new DiagramModel();
@@ -114,7 +114,7 @@ export default () => {
 	//5) load model into engine
 	let model2 = getDistributedModel(engine, model);
 
-	engine.setDiagramModel(model2);
+	engine.setModel(model2);
 
 	return <Demo8Widget engine={engine} />;
 };

demos/demo-drag-and-drop/Application.ts

@@ -9,14 +9,14 @@ export class Application {
 
 	constructor() {
 		this.diagramEngine = new SRD.DiagramEngine();
-		this.diagramEngine.installDefaultFactories();
+		this.diagramEngine.installDefaults();
 
 		this.newModel();
 	}
 
 	public newModel() {
 		this.activeModel = new SRD.DiagramModel();
-		this.diagramEngine.setDiagramModel(this.activeModel);
+		this.diagramEngine.setModel(this.activeModel);
 
 		//3-A) create a default node
 		var node1 = new SRD.DefaultNodeModel("Node 1", "rgb(0,192,255)");

demos/demo-grid/index.tsx

@@ -7,7 +7,7 @@ import * as React from "react";
 export default () => {
 	//1) setup the diagram engine
 	var engine = new DiagramEngine();
-	engine.installDefaultFactories();
+	engine.installDefaults();
 
 	//2) setup the diagram model
 	var model = new DiagramModel();
@@ -30,7 +30,7 @@ export default () => {
 	model.addAll(node1, node2, link1);
 
 	//5) load model into engine
-	engine.setDiagramModel(model);
+	engine.setModel(model);
 
 	//6) render the diagram!
 	return <DiagramWidget className="srd-demo-canvas" diagramEngine={engine} />;

demos/demo-labelled-links/index.tsx

@@ -14,7 +14,7 @@ import { action } from "@storybook/addon-actions";
 export default () => {
 	// setup the diagram engine
 	const engine = new DiagramEngine();
-	engine.installDefaultFactories();
+	engine.installDefaults();
 
 	// setup the diagram model
 	const model = new DiagramModel();
@@ -53,7 +53,7 @@ export default () => {
 	model.addAll(node1, node2, node3, node4, link1, link2, link3);
 
 	// load model into engine and render
-	engine.setDiagramModel(model);
+	engine.setModel(model);
 
 	return (
 		<DemoWorkspaceWidget

demos/demo-limit-points/index.tsx

@@ -14,7 +14,7 @@ import {
 export default () => {
 	// setup the diagram engine
 	var engine = new DiagramEngine();
-	engine.installDefaultFactories();
+	engine.installDefaults();
 
 	var model = new DiagramModel();
 
@@ -33,7 +33,7 @@ export default () => {
 
 	model.addAll(node1, node2, link1);
 
-	engine.setDiagramModel(model);
+	engine.setModel(model);
 
 	var props = {
 		diagramEngine: engine,

demos/demo-listeners/index.tsx

@@ -15,7 +15,7 @@ import {
 export default () => {
 	// setup the diagram engine
 	var engine = new DiagramEngine();
-	engine.installDefaultFactories();
+	engine.installDefaults();
 
 	var model = new DiagramModel();
 
@@ -46,7 +46,7 @@ export default () => {
 		});
 	});
 
-	engine.setDiagramModel(model);
+	engine.setModel(model);
 
 	var props = {
 		diagramEngine: engine,

demos/demo-locks/index.tsx

@@ -18,7 +18,7 @@ import {
 export default () => {
 	//1) setup the diagram engine
 	var engine = new DiagramEngine();
-	engine.installDefaultFactories();
+	engine.installDefaults();
 
 	var model = new DiagramModel();
 
@@ -51,7 +51,7 @@ export default () => {
 
 	model.addAll(node3, node4, link2);
 
-	engine.setDiagramModel(model);
+	engine.setModel(model);
 
 	//!========================================= <<<<<<<
 

demos/demo-mutate-graph/index.tsx

@@ -31,7 +31,7 @@ class NodeDelayedPosition extends React.Component<any, any> {
 		node.x += 30;
 		node.y += 30;
 		model2.deSerializeDiagram(obj, engine);
-		engine.setDiagramModel(model2);
+		engine.setModel(model2);
 		this.forceUpdate();
 	}
 
@@ -57,7 +57,7 @@ class NodeDelayedPosition extends React.Component<any, any> {
 export default () => {
 	//1) setup the diagram engine
 	var engine = new DiagramEngine();
-	engine.installDefaultFactories();
+	engine.installDefaults();
 
 	//2) setup the diagram model
 	var model = new DiagramModel();
@@ -79,7 +79,7 @@ export default () => {
 	model.addAll(node1, node2, link1);
 
 	//5) load model into engine
-	engine.setDiagramModel(model);
+	engine.setModel(model);
 
 	//6) render the diagram!
 	return <NodeDelayedPosition engine={engine} model={model} />;

demos/demo-performance/index.tsx

@@ -11,7 +11,7 @@ import * as React from "react";
 export default () => {
 	//1) setup the diagram engine
 	var engine = new DiagramEngine();
-	engine.installDefaultFactories();
+	engine.installDefaults();
 
 	//2) setup the diagram model
 	var model = new DiagramModel();
@@ -23,7 +23,7 @@ export default () => {
 	}
 
 	//5) load model into engine
-	engine.setDiagramModel(model);
+	engine.setModel(model);
 
 	//6) render the diagram!
 	return <DiagramWidget className="srd-demo-canvas" diagramEngine={engine} />;

demos/demo-serializing/index.tsx

@@ -1,13 +1,14 @@
-import { DiagramEngine, DiagramModel, DefaultNodeModel, LinkModel, DiagramWidget } from "storm-react-diagrams";
+import { DiagramEngine, DiagramModel, DefaultNodeModel, LinkModel } from "storm-react-diagrams";
 import * as React from "react";
 import { DemoWorkspaceWidget } from "../.helpers/DemoWorkspaceWidget";
 import { action } from "@storybook/addon-actions";
 import * as beautify from "json-beautify";
+import {DeserializeEvent} from "../../../react-canvas/src/models/BaseModel";
 
 export default () => {
 	//1) setup the diagram engine
 	var engine = new DiagramEngine();
-	engine.installDefaultFactories();
+	engine.installDefaults();
 
 	//2) setup the diagram model
 	var model = new DiagramModel();
@@ -29,17 +30,17 @@ export default () => {
 	model.addAll(node1, node2, link1);
 
 	//5) load model into engine
-	engine.setDiagramModel(model);
+	engine.setModel(model);
 
 	//!------------- SERIALIZING ------------------
 
-	var str = JSON.stringify(model.serializeDiagram());
+	var str = JSON.stringify(model.serialize());
 
 	//!------------- DESERIALIZING ----------------
 
 	var model2 = new DiagramModel();
-	model2.deSerializeDiagram(JSON.parse(str), engine);
-	engine.setDiagramModel(model2);
+	model2.deSerialize(new DeserializeEvent(JSON.parse(str), engine));
+	engine.setModel(model2);
 
 	return (
 		<DemoWorkspaceWidget

demos/demo-simple-flow/index.tsx

@@ -4,7 +4,7 @@ import * as React from "react";
 export default () => {
 	//1) setup the diagram engine
 	var engine = new DiagramEngine();
-	engine.installDefaultFactories();
+	engine.installDefaults();
 
 	//2) setup the diagram model
 	var model = new DiagramModel();
@@ -31,7 +31,7 @@ export default () => {
 	model.addAll(node1, node2, node3, link1);
 
 	//5) load model into engine
-	engine.setDiagramModel(model);
+	engine.setModel(model);
 
 	//6) render the diagram!
 	return <DiagramWidget className="srd-demo-canvas" diagramEngine={engine} allowLooseLinks={false} />;

demos/demo-simple/index.tsx

@@ -11,7 +11,7 @@ import * as React from "react";
 export default () => {
 	//1) setup the diagram engine
 	var engine = new DiagramEngine();
-	engine.installDefaultFactories();
+	engine.installDefaults();
 
 	//2) setup the diagram model
 	var model = new DiagramModel();
@@ -34,7 +34,7 @@ export default () => {
 	model.addAll(node1, node2, link1);
 
 	//5) load model into engine
-	engine.setDiagramModel(model);
+	engine.setModel(model);
 
 	//6) render the diagram!
 	return <DiagramWidget className="srd-demo-canvas" diagramEngine={engine} />;

demos/demo-smart-routing/index.tsx

@@ -13,7 +13,7 @@ import { action } from "@storybook/addon-actions";
 export default () => {
 	// setup the diagram engine
 	const engine = new DiagramEngine();
-	engine.installDefaultFactories();
+	engine.installDefaults();
 
 	// setup the diagram model
 	const model = new DiagramModel();
@@ -43,7 +43,7 @@ export default () => {
 	model.addAll(node1, node2, node3, node4, node5, link1, link2);
 
 	// load model into engine and render
-	engine.setDiagramModel(model);
+	engine.setModel(model);
 
 	return (
 		<DemoWorkspaceWidget

demos/demo-zoom-to-fit/index.tsx

@@ -18,7 +18,7 @@ import { DemoWorkspaceWidget } from "../.helpers/DemoWorkspaceWidget";
 export default () => {
 	//1) setup the diagram engine
 	var engine = new DiagramEngine();
-	engine.installDefaultFactories();
+	engine.installDefaults();
 
 	//2) setup the diagram model
 	var model = new DiagramModel();
@@ -30,11 +30,13 @@ export default () => {
 	}
 
 	//5) load model into engine
-	engine.setDiagramModel(model);
+	engine.setModel(model);
 
 	//6) render the diagram!
 	return (
-		<DemoWorkspaceWidget buttons={<button onClick={() => engine.zoomToFit()}>Zoom to fit</button>}>
+		<DemoWorkspaceWidget
+			buttons={<button onClick={() => engine.getCanvasWidget().zoomToFit()}>Zoom to fit</button>}
+		>
 			<DiagramWidget className="srd-demo-canvas" diagramEngine={engine} />
 		</DemoWorkspaceWidget>
 	);

demos/index.tsx

@@ -34,96 +34,96 @@ storiesOf("Simple Usage", module)
 			require("./demo-simple/docs.md")
 		)
 	)
-	.add(
-		"Simple flow example",
-		Helper.makeDemo(require("./demo-simple-flow/index").default(), require("!!raw-loader!./demo-simple-flow/index"))
-	)
-	.add(
-		"Performance demo",
-		Helper.makeDemo(require("./demo-performance/index").default(), require("!!raw-loader!./demo-performance/index"))
-	)
-	.add(
-		"Locked widget",
-		Helper.makeDemo(require("./demo-locks/index").default(), require("!!raw-loader!./demo-locks/index"))
-	)
-	.add(
-		"Canvas grid size",
-		Helper.makeDemo(require("./demo-grid/index").default(), require("!!raw-loader!./demo-grid/index"))
-	)
-	.add(
-		"Limiting link points",
-		Helper.makeDemo(
-			require("./demo-limit-points/index").default(),
-			require("!!raw-loader!./demo-limit-points/index")
-		)
-	)
-	.add(
-		"Events and listeners",
-		Helper.makeDemo(require("./demo-listeners/index").default(), require("!!raw-loader!./demo-listeners/index"))
-	)
-	.add(
-		"Zoom to fit",
-		Helper.makeDemo(require("./demo-zoom-to-fit/index").default(), require("!!raw-loader!./demo-zoom-to-fit/index"))
-	)
-	.add(
-		"Links with labels",
-		Helper.makeDemo(
-			require("./demo-labelled-links/index").default(),
-			require("!!raw-loader!./demo-labelled-links/index")
-		)
-	);
-
-storiesOf("Advanced Techniques", module)
-	.add(
-		"Clone Selected",
-		Helper.makeDemo(require("./demo-cloning/index").default(), require("!!raw-loader!./demo-cloning/index"))
-	)
-	.add(
-		"Serializing and de-serializing",
-		Helper.makeDemo(require("./demo-serializing/index").default(), require("!!raw-loader!./demo-serializing/index"))
-	)
-	.add(
-		"Programatically modifying graph",
-		Helper.makeDemo(
-			require("./demo-mutate-graph/index").default(),
-			require("!!raw-loader!./demo-mutate-graph/index")
-		)
-	)
-	.add(
-		"Large application",
-		Helper.makeDemo(
-			require("./demo-drag-and-drop/index").default(),
-			require("!!raw-loader!./demo-drag-and-drop/components/BodyWidget")
-		)
-	)
-	.add(
-		"Smart routing",
-		Helper.makeDemo(
-			require("./demo-smart-routing/index").default(),
-			require("!!raw-loader!./demo-smart-routing/index")
-		)
-	);
-
-storiesOf("Custom Models", module)
-	.add(
-		"Custom diamond node",
-		Helper.makeDemo(
-			require("./demo-custom-node1/index").default(),
-			require("!!raw-loader!./demo-custom-node1/index")
-		)
-	)
-	.add(
-		"Custom animated links",
-		Helper.makeDemo(
-			require("./demo-custom-link1/index").default(),
-			require("!!raw-loader!./demo-custom-link1/index")
-		)
-	);
-
-storiesOf("3rd party libraries", module).add(
-	"Auto Distribute (Dagre)",
-	Helper.makeDemo(require("./demo-dagre/index").default(), require("!!raw-loader!./demo-dagre/index"))
-);
+// 	.add(
+// 		"Simple flow example",
+// 		Helper.makeDemo(require("./demo-simple-flow/index").default(), require("!!raw-loader!./demo-simple-flow/index"))
+// 	)
+// 	.add(
+// 		"Performance demo",
+// 		Helper.makeDemo(require("./demo-performance/index").default(), require("!!raw-loader!./demo-performance/index"))
+// 	)
+// 	.add(
+// 		"Locked widget",
+// 		Helper.makeDemo(require("./demo-locks/index").default(), require("!!raw-loader!./demo-locks/index"))
+// 	)
+// 	.add(
+// 		"Canvas grid size",
+// 		Helper.makeDemo(require("./demo-grid/index").default(), require("!!raw-loader!./demo-grid/index"))
+// 	)
+// 	.add(
+// 		"Limiting link points",
+// 		Helper.makeDemo(
+// 			require("./demo-limit-points/index").default(),
+// 			require("!!raw-loader!./demo-limit-points/index")
+// 		)
+// 	)
+// 	.add(
+// 		"Events and listeners",
+// 		Helper.makeDemo(require("./demo-listeners/index").default(), require("!!raw-loader!./demo-listeners/index"))
+// 	)
+// 	.add(
+// 		"Zoom to fit",
+// 		Helper.makeDemo(require("./demo-zoom-to-fit/index").default(), require("!!raw-loader!./demo-zoom-to-fit/index"))
+// 	)
+// 	.add(
+// 		"Links with labels",
+// 		Helper.makeDemo(
+// 			require("./demo-labelled-links/index").default(),
+// 			require("!!raw-loader!./demo-labelled-links/index")
+// 		)
+// 	);
+//
+// storiesOf("Advanced Techniques", module)
+// 	.add(
+// 		"Clone Selected",
+// 		Helper.makeDemo(require("./demo-cloning/index").default(), require("!!raw-loader!./demo-cloning/index"))
+// 	)
+// 	.add(
+// 		"Serializing and de-serializing",
+// 		Helper.makeDemo(require("./demo-serializing/index").default(), require("!!raw-loader!./demo-serializing/index"))
+// 	)
+// 	.add(
+// 		"Programatically modifying graph",
+// 		Helper.makeDemo(
+// 			require("./demo-mutate-graph/index").default(),
+// 			require("!!raw-loader!./demo-mutate-graph/index")
+// 		)
+// 	)
+// 	.add(
+// 		"Large application",
+// 		Helper.makeDemo(
+// 			require("./demo-drag-and-drop/index").default(),
+// 			require("!!raw-loader!./demo-drag-and-drop/components/BodyWidget")
+// 		)
+// 	)
+// 	.add(
+// 		"Smart routing",
+// 		Helper.makeDemo(
+// 			require("./demo-smart-routing/index").default(),
+// 			require("!!raw-loader!./demo-smart-routing/index")
+// 		)
+// 	);
+//
+// storiesOf("Custom Models", module)
+// 	.add(
+// 		"Custom diamond node",
+// 		Helper.makeDemo(
+// 			require("./demo-custom-node1/index").default(),
+// 			require("!!raw-loader!./demo-custom-node1/index")
+// 		)
+// 	)
+// 	.add(
+// 		"Custom animated links",
+// 		Helper.makeDemo(
+// 			require("./demo-custom-link1/index").default(),
+// 			require("!!raw-loader!./demo-custom-link1/index")
+// 		)
+// 	);
+//
+// storiesOf("3rd party libraries", module).add(
+// 	"Auto Distribute (Dagre)",
+// 	Helper.makeDemo(require("./demo-dagre/index").default(), require("!!raw-loader!./demo-dagre/index"))
+// );
 
 // enable this to log mouse location when writing new puppeteer tests
 //Helper.logMousePosition()

src/BaseEntity.ts

@@ -1,115 +0,0 @@
-import { Toolkit } from "./Toolkit";
-import * as _ from "lodash";
-import { DiagramEngine } from "./DiagramEngine";
-
-/**
- * @author Dylan Vorster
- */
-export interface BaseEvent<T extends BaseEntity = any> {
-	entity: BaseEntity<BaseListener>;
-	stopPropagation: () => any;
-	firing: boolean;
-	id: string;
-}
-
-export interface BaseListener<T extends BaseEntity = any> {
-	lockChanged?(event: BaseEvent<T> & { locked: boolean }): void;
-}
-
-export type BaseEntityType = "node" | "link" | "port" | "point";
-
-export class BaseEntity<T extends BaseListener = BaseListener> {
-	public listeners: { [s: string]: T };
-	public id: string;
-	public locked: boolean;
-
-	constructor(id?: string) {
-		this.listeners = {};
-		this.id = id || Toolkit.UID();
-		this.locked = false;
-	}
-
-	getID() {
-		return this.id;
-	}
-
-	doClone(lookupTable: { [s: string]: any } = {}, clone: any) {
-		/*noop*/
-	}
-
-	clone(lookupTable: { [s: string]: any } = {}) {
-		// try and use an existing clone first
-		if (lookupTable[this.id]) {
-			return lookupTable[this.id];
-		}
-		let clone = _.clone(this);
-		clone.id = Toolkit.UID();
-		clone.clearListeners();
-		lookupTable[this.id] = clone;
-
-		this.doClone(lookupTable, clone);
-		return clone;
-	}
-
-	clearListeners() {
-		this.listeners = {};
-	}
-
-	public deSerialize(data: { [s: string]: any }, engine: DiagramEngine) {
-		this.id = data.id;
-	}
-
-	public serialize() {
-		return {
-			id: this.id
-		};
-	}
-
-	public iterateListeners(cb: (t: T, event: BaseEvent) => any) {
-		let event: BaseEvent = {
-			id: Toolkit.UID(),
-			firing: true,
-			entity: this,
-			stopPropagation: () => {
-				event.firing = false;
-			}
-		};
-
-		for (var i in this.listeners) {
-			if (this.listeners.hasOwnProperty(i)) {
-				// propagation stopped
-				if (!event.firing) {
-					return;
-				}
-				cb(this.listeners[i], event);
-			}
-		}
-	}
-
-	public removeListener(listener: string) {
-		if (this.listeners[listener]) {
-			delete this.listeners[listener];
-			return true;
-		}
-		return false;
-	}
-
-	public addListener(listener: T): string {
-		var uid = Toolkit.UID();
-		this.listeners[uid] = listener;
-		return uid;
-	}
-
-	public isLocked(): boolean {
-		return this.locked;
-	}
-
-	public setLocked(locked: boolean = true) {
-		this.locked = locked;
-		this.iterateListeners((listener, event) => {
-			if (listener.lockChanged) {
-				listener.lockChanged({ ...event, locked: locked });
-			}
-		});
-	}
-}

src/DiagramEngine.ts

@@ -1,365 +1,26 @@
-import { BaseEntity, BaseListener } from "./BaseEntity";
 import { DiagramModel } from "./models/DiagramModel";
-import * as _ from "lodash";
-import { BaseModel, BaseModelListener } from "./models/BaseModel";
-import { NodeModel } from "./models/NodeModel";
-import { PointModel } from "./models/PointModel";
-import { PortModel } from "./models/PortModel";
-import { LinkModel } from "./models/LinkModel";
-import { AbstractLabelFactory } from "./factories/AbstractLabelFactory";
-import { AbstractLinkFactory } from "./factories/AbstractLinkFactory";
-import { AbstractNodeFactory } from "./factories/AbstractNodeFactory";
-import { AbstractPortFactory } from "./factories/AbstractPortFactory";
-import { DefaultLinkFactory, DefaultNodeFactory } from "./main";
-import { ROUTING_SCALING_FACTOR } from "./routing/PathFinding";
-import { DefaultPortFactory } from "./defaults/factories/DefaultPortFactory";
-import { LabelModel } from "./models/LabelModel";
-import { DefaultLabelFactory } from "./defaults/factories/DefaultLabelFactory";
-import { Toolkit } from "./Toolkit";
-/**
- * @author Dylan Vorster
- */
-export interface DiagramEngineListener extends BaseListener {
-	portFactoriesUpdated?(): void;
+import { CanvasEngine } from "@projectstorm/react-canvas";
+import { DefaultLabelFactory, DefaultLinkFactory, DefaultNodeFactory, DefaultPortFactory } from "storm-react-diagrams";
 
-	nodeFactoriesUpdated?(): void;
-
-	linkFactoriesUpdated?(): void;
-
-	labelFactoriesUpdated?(): void;
-
-	repaintCanvas?(): void;
-}
-
-/**
- * Passed as a parameter to the DiagramWidget
- */
-export class DiagramEngine extends BaseEntity<DiagramEngineListener> {
-	nodeFactories: { [s: string]: AbstractNodeFactory };
-	linkFactories: { [s: string]: AbstractLinkFactory };
-	portFactories: { [s: string]: AbstractPortFactory };
-	labelFactories: { [s: string]: AbstractLabelFactory };
-
-	diagramModel: DiagramModel;
-	canvas: Element;
+export class DiagramEngine extends CanvasEngine<DiagramModel> {
 	paintableWidgets: {};
 	linksThatHaveInitiallyRendered: {};
-	nodesRendered: boolean;
 	maxNumberPointsPerLink: number;
 	smartRouting: boolean;
 
-	// calculated only when smart routing is active
-	canvasMatrix: number[][] = [];
-	routingMatrix: number[][] = [];
-	// used when at least one element has negative coordinates
-	hAdjustmentFactor: number = 0;
-	vAdjustmentFactor: number = 0;
-
 	constructor() {
 		super();
-		this.diagramModel = new DiagramModel();
-		this.nodeFactories = {};
-		this.linkFactories = {};
-		this.portFactories = {};
-		this.labelFactories = {};
-		this.canvas = null;
 		this.paintableWidgets = null;
 		this.linksThatHaveInitiallyRendered = {};
-
-		if (Toolkit.TESTING) {
-			Toolkit.TESTING_UID = 0;
-
-			//pop it onto the window so our E2E helpers can find it
-			if (window) {
-				(window as any)["diagram_instance"] = this;
-			}
-		}
+		this.smartRouting = false;
 	}
 
-	installDefaultFactories() {
-		this.registerNodeFactory(new DefaultNodeFactory());
-		this.registerLinkFactory(new DefaultLinkFactory());
-		this.registerPortFactory(new DefaultPortFactory());
-		this.registerLabelFactory(new DefaultLabelFactory());
-	}
-
-	repaintCanvas() {
-		this.iterateListeners(listener => {
-			if (listener.repaintCanvas) {
-				listener.repaintCanvas();
-			}
-		});
-	}
-
-	clearRepaintEntities() {
-		this.paintableWidgets = null;
-	}
-
-	enableRepaintEntities(entities: BaseModel<BaseEntity, BaseModelListener>[]) {
-		this.paintableWidgets = {};
-		entities.forEach(entity => {
-			//if a node is requested to repaint, add all of its links
-			if (entity instanceof NodeModel) {
-				_.forEach(entity.getPorts(), port => {
-					_.forEach(port.getLinks(), link => {
-						this.paintableWidgets[link.getID()] = true;
-					});
-				});
-			}
-
-			if (entity instanceof PointModel) {
-				this.paintableWidgets[entity.getLink().getID()] = true;
-			}
-
-			this.paintableWidgets[entity.getID()] = true;
-		});
-	}
-
-	/**
-	 * Checks to see if a model is locked by running through
-	 * its parents to see if they are locked first
-	 */
-	isModelLocked(model: BaseEntity<BaseListener>) {
-		//always check the diagram model
-		if (this.diagramModel.isLocked()) {
-			return true;
-		}
-
-		return model.isLocked();
-	}
-
-	recalculatePortsVisually() {
-		this.nodesRendered = false;
-		this.linksThatHaveInitiallyRendered = {};
-	}
-
-	canEntityRepaint(baseModel: BaseModel<BaseEntity, BaseModelListener>) {
-		//no rules applied, allow repaint
-		if (this.paintableWidgets === null) {
-			return true;
-		}
-
-		return this.paintableWidgets[baseModel.getID()] !== undefined;
-	}
-
-	setCanvas(canvas: Element | null) {
-		this.canvas = canvas;
-	}
-
-	setDiagramModel(model: DiagramModel) {
-		this.diagramModel = model;
-		this.recalculatePortsVisually();
-	}
-
-	getDiagramModel(): DiagramModel {
-		return this.diagramModel;
-	}
-
-	//!-------------- FACTORIES ------------
-
-	getNodeFactories(): { [s: string]: AbstractNodeFactory } {
-		return this.nodeFactories;
-	}
-
-	getLinkFactories(): { [s: string]: AbstractLinkFactory } {
-		return this.linkFactories;
-	}
-
-	getLabelFactories(): { [s: string]: AbstractLabelFactory } {
-		return this.labelFactories;
-	}
-
-	registerLabelFactory(factory: AbstractLabelFactory) {
-		this.labelFactories[factory.getType()] = factory;
-		this.iterateListeners(listener => {
-			if (listener.labelFactoriesUpdated) {
-				listener.labelFactoriesUpdated();
-			}
-		});
-	}
-
-	registerPortFactory(factory: AbstractPortFactory) {
-		this.portFactories[factory.getType()] = factory;
-		this.iterateListeners(listener => {
-			if (listener.portFactoriesUpdated) {
-				listener.portFactoriesUpdated();
-			}
-		});
-	}
-
-	registerNodeFactory(factory: AbstractNodeFactory) {
-		this.nodeFactories[factory.getType()] = factory;
-		this.iterateListeners(listener => {
-			if (listener.nodeFactoriesUpdated) {
-				listener.nodeFactoriesUpdated();
-			}
-		});
-	}
-
-	registerLinkFactory(factory: AbstractLinkFactory) {
-		this.linkFactories[factory.getType()] = factory;
-		this.iterateListeners(listener => {
-			if (listener.linkFactoriesUpdated) {
-				listener.linkFactoriesUpdated();
-			}
-		});
-	}
-
-	getPortFactory(type: string): AbstractPortFactory {
-		if (this.portFactories[type]) {
-			return this.portFactories[type];
-		}
-		throw new Error(`cannot find factory for port of type: [${type}]`);
-	}
-
-	getNodeFactory(type: string): AbstractNodeFactory {
-		if (this.nodeFactories[type]) {
-			return this.nodeFactories[type];
-		}
-		throw new Error(`cannot find factory for node of type: [${type}]`);
-	}
-
-	getLinkFactory(type: string): AbstractLinkFactory {
-		if (this.linkFactories[type]) {
-			return this.linkFactories[type];
-		}
-		throw new Error(`cannot find factory for link of type: [${type}]`);
-	}
-
-	getLabelFactory(type: string): AbstractLabelFactory {
-		if (this.labelFactories[type]) {
-			return this.labelFactories[type];
-		}
-		throw new Error(`cannot find factory for label of type: [${type}]`);
-	}
-
-	getFactoryForNode(node: NodeModel): AbstractNodeFactory | null {
-		return this.getNodeFactory(node.getType());
-	}
-
-	getFactoryForLink(link: LinkModel): AbstractLinkFactory | null {
-		return this.getLinkFactory(link.getType());
-	}
-
-	getFactoryForLabel(label: LabelModel): AbstractLabelFactory | null {
-		return this.getLabelFactory(label.getType());
-	}
-
-	generateWidgetForLink(link: LinkModel): JSX.Element | null {
-		var linkFactory = this.getFactoryForLink(link);
-		if (!linkFactory) {
-			throw new Error("Cannot find link factory for link: " + link.getType());
-		}
-		return linkFactory.generateReactWidget(this, link);
-	}
-
-	generateWidgetForNode(node: NodeModel): JSX.Element | null {
-		var nodeFactory = this.getFactoryForNode(node);
-		if (!nodeFactory) {
-			throw new Error("Cannot find widget factory for node: " + node.getType());
-		}
-		return nodeFactory.generateReactWidget(this, node);
-	}
-
-	getRelativeMousePoint(event): { x: number; y: number } {
-		var point = this.getRelativePoint(event.clientX, event.clientY);
-		return {
-			x: (point.x - this.diagramModel.getOffsetX()) / (this.diagramModel.getZoomLevel() / 100.0),
-			y: (point.y - this.diagramModel.getOffsetY()) / (this.diagramModel.getZoomLevel() / 100.0)
-		};
-	}
-
-	getRelativePoint(x, y) {
-		var canvasRect = this.canvas.getBoundingClientRect();
-		return { x: x - canvasRect.left, y: y - canvasRect.top };
-	}
-
-	getNodeElement(node: NodeModel): Element {
-		const selector = this.canvas.querySelector(`.node[data-nodeid="${node.getID()}"]`);
-		if (selector === null) {
-			throw new Error("Cannot find Node element with nodeID: [" + node.getID() + "]");
-		}
-		return selector;
-	}
-
-	getNodePortElement(port: PortModel): any {
-		var selector = this.canvas.querySelector(
-			`.port[data-name="${port.getName()}"][data-nodeid="${port.getParent().getID()}"]`
-		);
-		if (selector === null) {
-			throw new Error(
-				"Cannot find Node Port element with nodeID: [" +
-					port.getParent().getID() +
-					"] and name: [" +
-					port.getName() +
-					"]"
-			);
-		}
-		return selector;
-	}
-
-	getPortCenter(port: PortModel) {
-		var sourceElement = this.getNodePortElement(port);
-		var sourceRect = sourceElement.getBoundingClientRect();
-
-		var rel = this.getRelativePoint(sourceRect.left, sourceRect.top);
-
-		return {
-			x:
-				sourceElement.offsetWidth / 2 +
-				(rel.x - this.diagramModel.getOffsetX()) / (this.diagramModel.getZoomLevel() / 100.0),
-			y:
-				sourceElement.offsetHeight / 2 +
-				(rel.y - this.diagramModel.getOffsetY()) / (this.diagramModel.getZoomLevel() / 100.0)
-		};
-	}
-
-	/**
-	 * Calculate rectangular coordinates of the port passed in.
-	 */
-	getPortCoords(
-		port: PortModel
-	): {
-		x: number;
-		y: number;
-		width: number;
-		height: number;
-	} {
-		const sourceElement = this.getNodePortElement(port);
-		const sourceRect = sourceElement.getBoundingClientRect();
-		const canvasRect = this.canvas.getBoundingClientRect() as ClientRect;
-
-		return {
-			x:
-				(sourceRect.x - this.diagramModel.getOffsetX()) / (this.diagramModel.getZoomLevel() / 100.0) -
-				canvasRect.left,
-			y:
-				(sourceRect.y - this.diagramModel.getOffsetY()) / (this.diagramModel.getZoomLevel() / 100.0) -
-				canvasRect.top,
-			width: sourceRect.width,
-			height: sourceRect.height
-		};
-	}
-
-	/**
-	 * Determine the width and height of the node passed in.
-	 * It currently assumes nodes have a rectangular shape, can be overriden for customised shapes.
-	 */
-	getNodeDimensions(node: NodeModel): { width: number; height: number } {
-		if (!this.canvas) {
-			return {
-				width: 0,
-				height: 0
-			};
-		}
-
-		const nodeElement = this.getNodeElement(node);
-		const nodeRect = nodeElement.getBoundingClientRect();
-
-		return {
-			width: nodeRect.width,
-			height: nodeRect.height
-		};
+	installDefaults() {
+		super.installDefaults();
+		this.registerElementFactory(new DefaultLabelFactory());
+		this.registerElementFactory(new DefaultLinkFactory());
+		this.registerElementFactory(new DefaultNodeFactory());
+		this.registerElementFactory(new DefaultPortFactory());
 	}
 
 	getMaxNumberPointsPerLink(): number {
@@ -371,213 +32,10 @@ export class DiagramEngine extends BaseEntity<DiagramEngineListener> {
 	}
 
 	isSmartRoutingEnabled() {
-		return !!this.smartRouting;
+		return this.smartRouting;
 	}
+
 	setSmartRoutingStatus(status: boolean) {
 		this.smartRouting = status;
 	}
-
-	/**
-	 * A representation of the canvas in the following format:
-	 *
-	 * +-----------------+
-	 * | 0 0 0 0 0 0 0 0 |
-	 * | 0 0 0 0 0 0 0 0 |
-	 * | 0 0 0 0 0 0 0 0 |
-	 * | 0 0 0 0 0 0 0 0 |
-	 * | 0 0 0 0 0 0 0 0 |
-	 * +-----------------+
-	 *
-	 * In which all walkable points are marked by zeros.
-	 * It uses @link{#ROUTING_SCALING_FACTOR} to reduce the matrix dimensions and improve performance.
-	 */
-	getCanvasMatrix(): number[][] {
-		if (this.canvasMatrix.length === 0) {
-			this.calculateCanvasMatrix();
-		}
-
-		return this.canvasMatrix;
-	}
-	calculateCanvasMatrix() {
-		const {
-			width: canvasWidth,
-			hAdjustmentFactor,
-			height: canvasHeight,
-			vAdjustmentFactor
-		} = this.calculateMatrixDimensions();
-
-		this.hAdjustmentFactor = hAdjustmentFactor;
-		this.vAdjustmentFactor = vAdjustmentFactor;
-
-		const matrixWidth = Math.ceil(canvasWidth / ROUTING_SCALING_FACTOR);
-		const matrixHeight = Math.ceil(canvasHeight / ROUTING_SCALING_FACTOR);
-
-		this.canvasMatrix = _.range(0, matrixHeight).map(() => {
-			return new Array(matrixWidth).fill(0);
-		});
-	}
-
-	/**
-	 * A representation of the canvas in the following format:
-	 *
-	 * +-----------------+
-	 * | 0 0 1 1 0 0 0 0 |
-	 * | 0 0 1 1 0 0 1 1 |
-	 * | 0 0 0 0 0 0 1 1 |
-	 * | 1 1 0 0 0 0 0 0 |
-	 * | 1 1 0 0 0 0 0 0 |
-	 * +-----------------+
-	 *
-	 * In which all points blocked by a node (and its ports) are
-	 * marked as 1; points were there is nothing (ie, free) receive 0.
-	 */
-	getRoutingMatrix(): number[][] {
-		if (this.routingMatrix.length === 0) {
-			this.calculateRoutingMatrix();
-		}
-
-		return this.routingMatrix;
-	}
-	calculateRoutingMatrix(): void {
-		const matrix = _.cloneDeep(this.getCanvasMatrix());
-
-		// nodes need to be marked as blocked points
-		this.markNodes(matrix);
-		// same thing for ports
-		this.markPorts(matrix);
-
-		this.routingMatrix = matrix;
-	}
-
-	/**
-	 * The routing matrix does not have negative indexes, but elements could be negatively positioned.
-	 * We use the functions below to translate back and forth between these coordinates, relying on the
-	 * calculated values of hAdjustmentFactor and vAdjustmentFactor.
-	 */
-	translateRoutingX(x: number, reverse: boolean = false) {
-		return x + this.hAdjustmentFactor * (reverse ? -1 : 1);
-	}
-	translateRoutingY(y: number, reverse: boolean = false) {
-		return y + this.vAdjustmentFactor * (reverse ? -1 : 1);
-	}
-
-	/**
-	 * Despite being a long method, we simply iterate over all three collections (nodes, ports and points)
-	 * to find the highest X and Y dimensions, so we can build the matrix large enough to contain all elements.
-	 */
-	calculateMatrixDimensions = (): {
-		width: number;
-		hAdjustmentFactor: number;
-		height: number;
-		vAdjustmentFactor: number;
-	} => {
-		const allNodesCoords = _.values(this.diagramModel.nodes).map(item => ({
-			x: item.x,
-			width: item.width,
-			y: item.y,
-			height: item.height
-		}));
-
-		const allLinks = _.values(this.diagramModel.links);
-		const allPortsCoords = _.flatMap(allLinks.map(link => [link.sourcePort, link.targetPort]))
-			.filter(port => port !== null)
-			.map(item => ({
-				x: item.x,
-				width: item.width,
-				y: item.y,
-				height: item.height
-			}));
-		const allPointsCoords = _.flatMap(allLinks.map(link => link.points)).map(item => ({
-			// points don't have width/height, so let's just use 0
-			x: item.x,
-			width: 0,
-			y: item.y,
-			height: 0
-		}));
-
-		const canvas = this.canvas as HTMLDivElement;
-		const minX =
-			Math.floor(
-				Math.min(_.minBy(_.concat(allNodesCoords, allPortsCoords, allPointsCoords), item => item.x).x, 0) /
-					ROUTING_SCALING_FACTOR
-			) * ROUTING_SCALING_FACTOR;
-		const maxXElement = _.maxBy(
-			_.concat(allNodesCoords, allPortsCoords, allPointsCoords),
-			item => item.x + item.width
-		);
-		const maxX = Math.max(maxXElement.x + maxXElement.width, canvas.offsetWidth);
-
-		const minY =
-			Math.floor(
-				Math.min(_.minBy(_.concat(allNodesCoords, allPortsCoords, allPointsCoords), item => item.y).y, 0) /
-					ROUTING_SCALING_FACTOR
-			) * ROUTING_SCALING_FACTOR;
-		const maxYElement = _.maxBy(
-			_.concat(allNodesCoords, allPortsCoords, allPointsCoords),
-			item => item.y + item.height
-		);
-		const maxY = Math.max(maxYElement.y + maxYElement.height, canvas.offsetHeight);
-
-		return {
-			width: Math.ceil(Math.abs(minX) + maxX),
-			hAdjustmentFactor: Math.abs(minX) / ROUTING_SCALING_FACTOR + 1,
-			height: Math.ceil(Math.abs(minY) + maxY),
-			vAdjustmentFactor: Math.abs(minY) / ROUTING_SCALING_FACTOR + 1
-		};
-	};
-
-	/**
-	 * Updates (by reference) where nodes will be drawn on the matrix passed in.
-	 */
-	markNodes = (matrix: number[][]): void => {
-		_.values(this.diagramModel.nodes).forEach(node => {
-			const startX = Math.floor(node.x / ROUTING_SCALING_FACTOR);
-			const endX = Math.ceil((node.x + node.width) / ROUTING_SCALING_FACTOR);
-			const startY = Math.floor(node.y / ROUTING_SCALING_FACTOR);
-			const endY = Math.ceil((node.y + node.height) / ROUTING_SCALING_FACTOR);
-
-			for (let x = startX - 1; x <= endX + 1; x++) {
-				for (let y = startY - 1; y < endY + 1; y++) {
-					this.markMatrixPoint(matrix, this.translateRoutingX(x), this.translateRoutingY(y));
-				}
-			}
-		});
-	};
-
-	/**
-	 * Updates (by reference) where ports will be drawn on the matrix passed in.
-	 */
-	markPorts = (matrix: number[][]): void => {
-		const allElements = _.flatMap(
-			_.values(this.diagramModel.links).map(link => [].concat(link.sourcePort, link.targetPort))
-		);
-		allElements.filter(port => port !== null).forEach(port => {
-			const startX = Math.floor(port.x / ROUTING_SCALING_FACTOR);
-			const endX = Math.ceil((port.x + port.width) / ROUTING_SCALING_FACTOR);
-			const startY = Math.floor(port.y / ROUTING_SCALING_FACTOR);
-			const endY = Math.ceil((port.y + port.height) / ROUTING_SCALING_FACTOR);
-
-			for (let x = startX - 1; x <= endX + 1; x++) {
-				for (let y = startY - 1; y < endY + 1; y++) {
-					this.markMatrixPoint(matrix, this.translateRoutingX(x), this.translateRoutingY(y));
-				}
-			}
-		});
-	};
-
-	markMatrixPoint = (matrix: number[][], x: number, y: number) => {
-		if (matrix[y] !== undefined && matrix[y][x] !== undefined) {
-			matrix[y][x] = 1;
-		}
-	};
-
-	zoomToFit() {
-		const xFactor = this.canvas.clientWidth / this.canvas.scrollWidth;
-		const yFactor = this.canvas.clientHeight / this.canvas.scrollHeight;
-		const zoomFactor = xFactor < yFactor ? xFactor : yFactor;
-
-		this.diagramModel.setZoomLevel(this.diagramModel.getZoomLevel() * zoomFactor);
-		this.diagramModel.setOffset(0, 0);
-		this.repaintCanvas();
-	}
 }

src/Toolkit.ts

@@ -3,29 +3,11 @@ import closest = require("closest");
 import { PointModel } from "./models/PointModel";
 import { ROUTING_SCALING_FACTOR } from "./routing/PathFinding";
 import * as Path from "paths-js/path";
+import { Toolkit as TK } from "@projectstorm/react-canvas";
 /**
  * @author Dylan Vorster
  */
-export class Toolkit {
-	static TESTING: boolean = false;
-	static TESTING_UID = 0;
-
-	/**
-	 * Generats a unique ID (thanks Stack overflow :3)
-	 * @returns {String}
-	 */
-	public static UID(): string {
-		if (Toolkit.TESTING) {
-			Toolkit.TESTING_UID++;
-			return "" + Toolkit.TESTING_UID;
-		}
-		return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, c => {
-			const r = (Math.random() * 16) | 0;
-			const v = c === "x" ? r : (r & 0x3) | 0x8;
-			return v.toString(16);
-		});
-	}
-
+export class Toolkit extends TK {
 	/**
 	 * Finds the closest element as a polyfill
 	 *

src/actions/BaseAction.ts

@@ -1,11 +0,0 @@
-export class BaseAction {
-	mouseX: number;
-	mouseY: number;
-	ms: number;
-
-	constructor(mouseX: number, mouseY: number) {
-		this.mouseX = mouseX;
-		this.mouseY = mouseY;
-		this.ms = new Date().getTime();
-	}
-}

src/actions/MoveCanvasAction.ts

@@ -1,13 +0,0 @@
-import { BaseAction } from "./BaseAction";
-import { DiagramModel } from "../models/DiagramModel";
-
-export class MoveCanvasAction extends BaseAction {
-	initialOffsetX: number;
-	initialOffsetY: number;
-
-	constructor(mouseX: number, mouseY: number, diagramModel: DiagramModel) {
-		super(mouseX, mouseY);
-		this.initialOffsetX = diagramModel.getOffsetX();
-		this.initialOffsetY = diagramModel.getOffsetY();
-	}
-}

src/actions/MoveItemsAction.ts

@@ -1,30 +0,0 @@
-import { BaseAction } from "./BaseAction";
-import { SelectionModel } from "../models/SelectionModel";
-import { PointModel } from "../models/PointModel";
-import { NodeModel } from "../models/NodeModel";
-import { DiagramEngine } from "../DiagramEngine";
-
-export class MoveItemsAction extends BaseAction {
-	selectionModels: SelectionModel[];
-	moved: boolean;
-
-	constructor(mouseX: number, mouseY: number, diagramEngine: DiagramEngine) {
-		super(mouseX, mouseY);
-		this.moved = false;
-		diagramEngine.enableRepaintEntities(diagramEngine.getDiagramModel().getSelectedItems());
-		var selectedItems = diagramEngine.getDiagramModel().getSelectedItems();
-
-		//dont allow items which are locked to move
-		selectedItems = selectedItems.filter(item => {
-			return !diagramEngine.isModelLocked(item);
-		});
-
-		this.selectionModels = selectedItems.map((item: PointModel | NodeModel) => {
-			return {
-				model: item,
-				initialX: item.x,
-				initialY: item.y
-			};
-		});
-	}
-}

src/actions/SelectingAction.ts

@@ -1,36 +0,0 @@
-import { BaseAction } from "./BaseAction";
-import { DiagramModel } from "../models/DiagramModel";
-
-export class SelectingAction extends BaseAction {
-	mouseX2: number;
-	mouseY2: number;
-
-	constructor(mouseX: number, mouseY: number) {
-		super(mouseX, mouseY);
-		this.mouseX2 = mouseX;
-		this.mouseY2 = mouseY;
-	}
-
-	getBoxDimensions() {
-		return {
-			left: this.mouseX2 > this.mouseX ? this.mouseX : this.mouseX2,
-			top: this.mouseY2 > this.mouseY ? this.mouseY : this.mouseY2,
-			width: Math.abs(this.mouseX2 - this.mouseX),
-			height: Math.abs(this.mouseY2 - this.mouseY),
-			right: this.mouseX2 < this.mouseX ? this.mouseX : this.mouseX2,
-			bottom: this.mouseY2 < this.mouseY ? this.mouseY : this.mouseY2
-		};
-	}
-
-	containsElement(x: number, y: number, diagramModel: DiagramModel): boolean {
-		var z = diagramModel.getZoomLevel() / 100.0;
-		let dimensions = this.getBoxDimensions();
-
-		return (
-			x * z + diagramModel.getOffsetX() > dimensions.left &&
-			x * z + diagramModel.getOffsetX() < dimensions.right &&
-			y * z + diagramModel.getOffsetY() > dimensions.top &&
-			y * z + diagramModel.getOffsetY() < dimensions.bottom
-		);
-	}
-}

src/defaults/factories/DefaultLabelFactory.tsx

@@ -1,22 +1,19 @@
 import * as React from "react";
 import { DiagramEngine } from "../../DiagramEngine";
-import { AbstractLabelFactory } from "../../factories/AbstractLabelFactory";
 import { DefaultLabelModel } from "../models/DefaultLabelModel";
 import { DefaultLabelWidget } from "../widgets/DefaultLabelWidget";
+import { AbstractElementFactory } from "@projectstorm/react-canvas";
 
-/**
- * @author Dylan Vorster
- */
-export class DefaultLabelFactory extends AbstractLabelFactory<DefaultLabelModel> {
+export class DefaultLabelFactory extends AbstractElementFactory<DefaultLabelModel> {
 	constructor() {
 		super("default");
 	}
 
-	generateReactWidget(diagramEngine: DiagramEngine, label: DefaultLabelModel): JSX.Element {
-		return <DefaultLabelWidget model={label} />;
+	generateWidget(engine: DiagramEngine, model: DefaultLabelModel): JSX.Element {
+		return <DefaultLabelWidget model={model} />;
 	}
 
-	getNewInstance(initialConfig?: any): DefaultLabelModel {
+	generateModel(): DefaultLabelModel {
 		return new DefaultLabelModel();
 	}
 }

src/defaults/factories/DefaultLinkFactory.tsx

@@ -1,25 +1,22 @@
 import * as React from "react";
 import { DefaultLinkWidget } from "../widgets/DefaultLinkWidget";
 import { DiagramEngine } from "../../DiagramEngine";
-import { AbstractLinkFactory } from "../../factories/AbstractLinkFactory";
+import { AbstractElementFactory } from "@projectstorm/react-canvas";
 import { DefaultLinkModel } from "../models/DefaultLinkModel";
 
-/**
- * @author Dylan Vorster
- */
-export class DefaultLinkFactory extends AbstractLinkFactory<DefaultLinkModel> {
+export class DefaultLinkFactory extends AbstractElementFactory<DefaultLinkModel> {
 	constructor() {
 		super("default");
 	}
 
-	generateReactWidget(diagramEngine: DiagramEngine, link: DefaultLinkModel): JSX.Element {
+	generateWidget(engine: DiagramEngine, model: DefaultLinkModel): JSX.Element {
 		return React.createElement(DefaultLinkWidget, {
-			link: link,
-			diagramEngine: diagramEngine
+			link: model,
+			diagramEngine: engine
 		});
 	}
 
-	getNewInstance(initialConfig?: any): DefaultLinkModel {
+	generateModel(): DefaultLinkModel {
 		return new DefaultLinkModel();
 	}
 
@@ -27,8 +24,8 @@ export class DefaultLinkFactory extends AbstractLinkFactory<DefaultLinkModel> {
 		return (
 			<path
 				className={selected ? widget.bem("--path-selected") : ""}
-				strokeWidth={model.width}
-				stroke={model.color}
+				strokeWidth={model.getWidth()}
+				stroke={model.getColor()}
 				d={path}
 			/>
 		);

src/defaults/factories/DefaultNodeFactory.ts

@@ -2,23 +2,21 @@ import { DefaultNodeModel } from "../models/DefaultNodeModel";
 import * as React from "react";
 import { DefaultNodeWidget } from "../widgets/DefaultNodeWidget";
 import { DiagramEngine } from "../../DiagramEngine";
-import { AbstractNodeFactory } from "../../factories/AbstractNodeFactory";
-/**
- * @author Dylan Vorster
- */
-export class DefaultNodeFactory extends AbstractNodeFactory<DefaultNodeModel> {
+import { AbstractElementFactory } from "@projectstorm/react-canvas";
+
+export class DefaultNodeFactory extends AbstractElementFactory<DefaultNodeModel> {
 	constructor() {
 		super("default");
 	}
 
-	generateReactWidget(diagramEngine: DiagramEngine, node: DefaultNodeModel): JSX.Element {
+	generateWidget(diagramEngine: DiagramEngine, model: DefaultNodeModel): JSX.Element {
 		return React.createElement(DefaultNodeWidget, {
-			node: node,
+			node: model,
 			diagramEngine: diagramEngine
 		});
 	}
 
-	getNewInstance(initialConfig?: any): DefaultNodeModel {
+	generateModel(): DefaultNodeModel {
 		return new DefaultNodeModel();
 	}
 }

src/defaults/factories/DefaultPortFactory.tsx

@@ -1,12 +1,17 @@
 import { DefaultPortModel } from "../models/DefaultPortModel";
-import { AbstractPortFactory } from "../../factories/AbstractPortFactory";
+import { AbstractElementFactory } from "@projectstorm/react-canvas";
+import { DiagramEngine } from "storm-react-diagrams";
 
-export class DefaultPortFactory extends AbstractPortFactory<DefaultPortModel> {
+export class DefaultPortFactory extends AbstractElementFactory<DefaultPortModel> {
 	constructor() {
 		super("default");
 	}
 
-	getNewInstance(initialConfig?: any): DefaultPortModel {
+	generateWidget(engine: DiagramEngine, model: DefaultPortModel): JSX.Element {
+		return null;
+	}
+
+	generateModel(): DefaultPortModel {
 		return new DefaultPortModel(true, "unknown");
 	}
 }

src/defaults/models/DefaultLabelModel.tsx

@@ -1,7 +1,9 @@
 import { LabelModel } from "../../models/LabelModel";
+import * as _ from "lodash";
+import { DeserializeEvent } from "@projectstorm/react-canvas";
 
 export class DefaultLabelModel extends LabelModel {
-	label: string;
+	protected label: string;
 
 	constructor() {
 		super("default");
@@ -11,4 +13,15 @@ export class DefaultLabelModel extends LabelModel {
 	setLabel(label: string) {
 		this.label = label;
 	}
+
+	deSerialize(event: DeserializeEvent) {
+		super.deSerialize(event);
+		this.label = event.data.label;
+	}
+
+	serialize() {
+		return _.merge(super.serialize(), {
+			label: this.label
+		});
+	}
 }

src/defaults/models/DefaultLinkModel.ts

@@ -1,13 +1,8 @@
-/**
- * @author Dylan Vorster
- */
 import { LinkModel, LinkModelListener } from "../../models/LinkModel";
-import { BaseEvent } from "../../BaseEntity";
 import * as _ from "lodash";
-import { PointModel } from "../../models/PointModel";
-import { DiagramEngine } from "../../DiagramEngine";
 import { DefaultLabelModel } from "./DefaultLabelModel";
 import { LabelModel } from "../../models/LabelModel";
+import { BaseEvent, DeserializeEvent } from "@projectstorm/react-canvas";
 
 export interface DefaultLinkModelListener extends LinkModelListener {
 	colorChanged?(event: BaseEvent<DefaultLinkModel> & { color: null | string }): void;
@@ -16,9 +11,9 @@ export interface DefaultLinkModelListener extends LinkModelListener {
 }
 
 export class DefaultLinkModel extends LinkModel<DefaultLinkModelListener> {
-	width: number;
-	color: string;
-	curvyness: number;
+	protected width: number;
+	protected color: string;
+	protected curvyness: number;
 
 	constructor(type: string = "default") {
 		super(type);
@@ -35,11 +30,11 @@ export class DefaultLinkModel extends LinkModel<DefaultLinkModelListener> {
 		});
 	}
 
-	deSerialize(ob, engine: DiagramEngine) {
-		super.deSerialize(ob, engine);
-		this.color = ob.color;
-		this.width = ob.width;
-		this.curvyness = ob.curvyness;
+	deSerialize(event: DeserializeEvent) {
+		super.deSerialize(event);
+		this.color = event.data.color;
+		this.width = event.data.width;
+		this.curvyness = event.data.curvyness;
 	}
 
 	addLabel(label: LabelModel | string) {
@@ -53,7 +48,7 @@ export class DefaultLinkModel extends LinkModel<DefaultLinkModelListener> {
 
 	setWidth(width: number) {
 		this.width = width;
-		this.iterateListeners((listener: DefaultLinkModelListener, event: BaseEvent) => {
+		this.iterateListeners("width changed", (listener: DefaultLinkModelListener, event: BaseEvent) => {
 			if (listener.widthChanged) {
 				listener.widthChanged({ ...event, width: width });
 			}
@@ -62,10 +57,22 @@ export class DefaultLinkModel extends LinkModel<DefaultLinkModelListener> {
 
 	setColor(color: string) {
 		this.color = color;
-		this.iterateListeners((listener: DefaultLinkModelListener, event: BaseEvent) => {
+		this.iterateListeners("color changed", (listener: DefaultLinkModelListener, event: BaseEvent) => {
 			if (listener.colorChanged) {
 				listener.colorChanged({ ...event, color: color });
 			}
 		});
 	}
+
+	getWidth() {
+		return this.width;
+	}
+
+	getColor() {
+		return this.color;
+	}
+
+	getCurvyness() {
+		return this.curvyness;
+	}
 }

src/defaults/models/DefaultNodeModel.ts

@@ -1,17 +1,12 @@
-import { DefaultPortModel } from "./DefaultPortModel";
 import * as _ from "lodash";
-
+import { DefaultPortModel } from "./DefaultPortModel";
 import { NodeModel } from "../../models/NodeModel";
 import { Toolkit } from "../../Toolkit";
-import { DiagramEngine } from "../../DiagramEngine";
+import { DeserializeEvent } from "@projectstorm/react-canvas";
 
-/**
- * @author Dylan Vorster
- */
-export class DefaultNodeModel extends NodeModel {
-	name: string;
-	color: string;
-	ports: { [s: string]: DefaultPortModel };
+export class DefaultNodeModel extends NodeModel<DefaultPortModel> {
+	protected name: string;
+	protected color: string;
 
 	constructor(name: string = "Untitled", color: string = "rgb(0,192,255)") {
 		super("default");
@@ -27,10 +22,10 @@ export class DefaultNodeModel extends NodeModel {
 		return this.addPort(new DefaultPortModel(false, Toolkit.UID(), label));
 	}
 
-	deSerialize(object, engine: DiagramEngine) {
-		super.deSerialize(object, engine);
-		this.name = object.name;
-		this.color = object.color;
+	deSerialize(event: DeserializeEvent) {
+		super.deSerialize(event);
+		this.name = event.data.name;
+		this.color = event.data.color;
 	}
 
 	serialize() {
@@ -41,13 +36,13 @@ export class DefaultNodeModel extends NodeModel {
 	}
 
 	getInPorts(): DefaultPortModel[] {
-		return _.filter(this.ports, portModel => {
+		return _.filter(this.getPorts(), portModel => {
 			return portModel.in;
 		});
 	}
 
 	getOutPorts(): DefaultPortModel[] {
-		return _.filter(this.ports, portModel => {
+		return _.filter(this.getPorts(), portModel => {
 			return !portModel.in;
 		});
 	}

src/defaults/models/DefaultPortModel.ts

@@ -1,24 +1,24 @@
 import * as _ from "lodash";
 import { PortModel } from "../../models/PortModel";
-import { DiagramEngine } from "../../DiagramEngine";
 import { DefaultLinkModel } from "./DefaultLinkModel";
 import { LinkModel } from "../../models/LinkModel";
+import { DeserializeEvent } from "@projectstorm/react-canvas";
 
 export class DefaultPortModel extends PortModel {
 	in: boolean;
 	label: string;
 	links: { [id: string]: DefaultLinkModel };
 
-	constructor(isInput: boolean, name: string, label: string = null, id?: string) {
-		super(name, "default", id);
+	constructor(isInput: boolean, name: string, label: string = null) {
+		super(name, "default");
 		this.in = isInput;
 		this.label = label || name;
 	}
 
-	deSerialize(object, engine: DiagramEngine) {
-		super.deSerialize(object, engine);
-		this.in = object.in;
-		this.label = object.label;
+	deSerialize(event: DeserializeEvent) {
+		super.deSerialize(event);
+		this.in = event.data.in;
+		this.label = event.data.label;
 	}
 
 	serialize() {

src/defaults/widgets/DefaultLabelWidget.tsx

@@ -1,6 +1,6 @@
 import * as React from "react";
 import { DefaultLabelModel } from "../models/DefaultLabelModel";
-import { BaseWidget, BaseWidgetProps } from "../../widgets/BaseWidget";
+import { BaseWidget, BaseWidgetProps } from "@projectstorm/react-canvas";
 
 export interface DefaultLabelWidgetProps extends BaseWidgetProps {
 	model: DefaultLabelModel;

src/defaults/widgets/DefaultLinkWidget.tsx

@@ -7,7 +7,7 @@ import { DefaultLinkModel } from "../models/DefaultLinkModel";
 import PathFinding from "../../routing/PathFinding";
 import * as _ from "lodash";
 import { LabelModel } from "../../models/LabelModel";
-import { BaseWidget, BaseWidgetProps } from "../../widgets/BaseWidget";
+import { BaseWidget, BaseWidgetProps } from "@projectstorm/react-canvas";
 
 export interface DefaultLinkProps extends BaseWidgetProps {
 	color?: string;
@@ -70,7 +70,7 @@ export class DefaultLinkWidget extends BaseWidget<DefaultLinkProps, DefaultLinkS
 		}
 	}
 
-	addPointToLink = (event: MouseEvent, index: number): void => {
+	addPointToLink(event: MouseEvent, index: number) {
 		if (
 			!event.shiftKey &&
 			!this.props.diagramEngine.isModelLocked(this.props.link) &&
@@ -82,14 +82,14 @@ export class DefaultLinkWidget extends BaseWidget<DefaultLinkProps, DefaultLinkS
 			this.props.link.addPoint(point, index);
 			this.props.pointAdded(point, event);
 		}
-	};
+	}
 
 	generatePoint(pointIndex: number): JSX.Element {
-		let x = this.props.link.points[pointIndex].x;
-		let y = this.props.link.points[pointIndex].y;
+		let x = this.props.link.points[pointIndex].getPoint().x;
+		let y = this.props.link.points[pointIndex].getPoint().y;
 
 		return (
-			<g key={"point-" + this.props.link.points[pointIndex].id}>
+			<g key={"point-" + this.props.link.points[pointIndex].getID()}>
 				<circle
 					cx={x}
 					cy={y}
@@ -107,8 +107,8 @@ export class DefaultLinkWidget extends BaseWidget<DefaultLinkProps, DefaultLinkS
 					onMouseEnter={() => {
 						this.setState({ selected: true });
 					}}
-					data-id={this.props.link.points[pointIndex].id}
-					data-linkid={this.props.link.id}
+					data-id={this.props.link.points[pointIndex].getID()}
+					data-linkid={this.props.link.getID()}
 					cx={x}
 					cy={y}
 					r={15}
@@ -123,15 +123,15 @@ export class DefaultLinkWidget extends BaseWidget<DefaultLinkProps, DefaultLinkS
 		const canvas = this.props.diagramEngine.canvas as HTMLElement;
 		return (
 			<foreignObject
-				key={label.id}
+				key={label.getID()}
 				className={this.bem("__label")}
 				width={canvas.offsetWidth}
 				height={canvas.offsetHeight}
 			>
-				<div ref={ref => (this.refLabels[label.id] = ref)}>
+				<div ref={ref => (this.refLabels[label.getID()] = ref)}>
 					{this.props.diagramEngine
-						.getFactoryForLabel(label)
-						.generateReactWidget(this.props.diagramEngine, label)}
+						.getFactoryForElement(label)
+						.generateWidget(this.props.diagramEngine, label)}
 				</div>
 			</foreignObject>
 		);
@@ -141,7 +141,7 @@ export class DefaultLinkWidget extends BaseWidget<DefaultLinkProps, DefaultLinkS
 		var props = this.props;
 
 		var Bottom = React.cloneElement(
-			(props.diagramEngine.getFactoryForLink(this.props.link) as DefaultLinkFactory).generateLinkSegment(
+			(props.diagramEngine.getFactoryForElement(this.props.link) as DefaultLinkFactory).generateLinkSegment(
 				this.props.link,
 				this,
 				this.state.selected || this.props.link.isSelected(),
@@ -267,7 +267,10 @@ export class DefaultLinkWidget extends BaseWidget<DefaultLinkProps, DefaultLinkS
 
 		if (this.isSmartRoutingApplicable()) {
 			// first step: calculate a direct path between the points being linked
-			const directPathCoords = this.pathFinding.calculateDirectPath(_.first(points), _.last(points));
+			const directPathCoords = this.pathFinding.calculateDirectPath(
+				_.first(points).getPoint(),
+				_.last(points).getPoint()
+			);
 
 			const routingMatrix = diagramEngine.getRoutingMatrix();
 			// now we need to extract, from the routing matrix, the very first walkable points
@@ -305,7 +308,9 @@ export class DefaultLinkWidget extends BaseWidget<DefaultLinkProps, DefaultLinkS
 		// See @link{#isSmartRoutingApplicable()}.
 		if (paths.length === 0) {
 			if (points.length === 2) {
-				var isHorizontal = Math.abs(points[0].x - points[1].x) > Math.abs(points[0].y - points[1].y);
+				var isHorizontal =
+					Math.abs(points[0].getPoint().x - points[1].getPoint().x) >
+					Math.abs(points[0].getPoint().x - points[1].getPoint().y);
 				var xOrY = isHorizontal ? "x" : "y";
 
 				//draw the smoothing
@@ -327,7 +332,7 @@ export class DefaultLinkWidget extends BaseWidget<DefaultLinkProps, DefaultLinkS
 
 				paths.push(
 					this.generateLink(
-						Toolkit.generateCurvePath(pointLeft, pointRight, this.props.link.curvyness),
+						Toolkit.generateCurvePath(pointLeft, pointRight, this.props.link.getCurvyness()),
 						{
 							onMouseDown: event => {
 								this.addPointToLink(event, 1);
@@ -348,7 +353,7 @@ export class DefaultLinkWidget extends BaseWidget<DefaultLinkProps, DefaultLinkS
 						this.generateLink(
 							Toolkit.generateLinePath(points[j], points[j + 1]),
 							{
-								"data-linkid": this.props.link.id,
+								"data-linkid": this.props.link.getID(),
 								"data-point": j,
 								onMouseDown: (event: MouseEvent) => {
 									this.addPointToLink(event, j + 1);

src/defaults/widgets/DefaultNodeWidget.tsx

@@ -3,7 +3,7 @@ import * as _ from "lodash";
 import { DefaultNodeModel } from "../models/DefaultNodeModel";
 import { DefaultPortLabel } from "./DefaultPortLabelWidget";
 import { DiagramEngine } from "../../DiagramEngine";
-import { BaseWidget, BaseWidgetProps } from "../../widgets/BaseWidget";
+import { BaseWidget, BaseWidgetProps } from "@projectstorm/react-canvas";
 
 export interface DefaultNodeProps extends BaseWidgetProps {
 	node: DefaultNodeModel;

src/defaults/widgets/DefaultPortLabelWidget.tsx

@@ -1,7 +1,7 @@
 import * as React from "react";
 import { DefaultPortModel } from "../models/DefaultPortModel";
 import { PortWidget } from "../../widgets/PortWidget";
-import { BaseWidget, BaseWidgetProps } from "../../widgets/BaseWidget";
+import { BaseWidget, BaseWidgetProps } from "@projectstorm/react-canvas";
 
 export interface DefaultPortLabelProps extends BaseWidgetProps {
 	model: DefaultPortModel;

src/factories/AbstractFactory.ts

@@ -1,15 +0,0 @@
-import { BaseModel } from "../models/BaseModel";
-
-export abstract class AbstractFactory<T extends BaseModel> {
-	type: string;
-
-	constructor(name: string) {
-		this.type = name;
-	}
-
-	getType(): string {
-		return this.type;
-	}
-
-	abstract getNewInstance(initialConfig?: any): T;
-}

src/factories/AbstractLabelFactory.ts

@@ -1,7 +0,0 @@
-import { LabelModel } from "../models/LabelModel";
-import { DiagramEngine } from "../DiagramEngine";
-import { AbstractFactory } from "./AbstractFactory";
-
-export abstract class AbstractLabelFactory<T extends LabelModel = LabelModel> extends AbstractFactory<T> {
-	abstract generateReactWidget(diagramEngine: DiagramEngine, link: T): JSX.Element;
-}

src/factories/AbstractLinkFactory.ts

@@ -1,7 +0,0 @@
-import { LinkModel } from "../models/LinkModel";
-import { DiagramEngine } from "../DiagramEngine";
-import { AbstractFactory } from "./AbstractFactory";
-
-export abstract class AbstractLinkFactory<T extends LinkModel = LinkModel> extends AbstractFactory<T> {
-	abstract generateReactWidget(diagramEngine: DiagramEngine, link: T): JSX.Element;
-}

src/factories/AbstractNodeFactory.ts

@@ -1,7 +0,0 @@
-import { NodeModel } from "../models/NodeModel";
-import { DiagramEngine } from "../DiagramEngine";
-import { AbstractFactory } from "./AbstractFactory";
-
-export abstract class AbstractNodeFactory<T extends NodeModel = NodeModel> extends AbstractFactory<T> {
-	abstract generateReactWidget(diagramEngine: DiagramEngine, node: T): JSX.Element;
-}

src/factories/AbstractPortFactory.ts

@@ -1,5 +0,0 @@
-import { PortModel } from "../models/PortModel";
-import { DiagramEngine } from "../DiagramEngine";
-import { AbstractFactory } from "./AbstractFactory";
-
-export abstract class AbstractPortFactory<T extends PortModel = PortModel> extends AbstractFactory<T> {}

src/main.ts

@@ -3,7 +3,6 @@
  */
 
 export * from "./Toolkit";
-export * from "./BaseEntity";
 export * from "./DiagramEngine";
 
 export * from "./defaults/models/DefaultNodeModel";
@@ -21,21 +20,8 @@ export * from "./defaults/widgets/DefaultLabelWidget";
 export * from "./defaults/widgets/DefaultNodeWidget";
 export * from "./defaults/widgets/DefaultPortLabelWidget";
 
-export * from "./factories/AbstractFactory";
-export * from "./factories/AbstractLabelFactory";
-export * from "./factories/AbstractLinkFactory";
-export * from "./factories/AbstractNodeFactory";
-export * from "./factories/AbstractPortFactory";
-
 export * from "./routing/PathFinding";
 
-export * from "./actions/BaseAction";
-export * from "./actions/MoveCanvasAction";
-export * from "./actions/MoveItemsAction";
-export * from "./actions/SelectingAction";
-
-export * from "./models/SelectionModel";
-export * from "./models/BaseModel";
 export * from "./models/DiagramModel";
 export * from "./models/LinkModel";
 export * from "./models/NodeModel";
@@ -43,11 +29,5 @@ export * from "./models/PointModel";
 export * from "./models/PortModel";
 export * from "./models/LabelModel";
 
-export * from "./widgets/DiagramWidget";
-export * from "./widgets/LinkWidget";
 export * from "./widgets/NodeWidget";
 export * from "./widgets/PortWidget";
-export * from "./widgets/BaseWidget";
-
-export * from "./widgets/layers/LinkLayerWidget";
-export * from "./widgets/layers/NodeLayerWidget";

src/models/BaseModel.ts

@@ -1,85 +0,0 @@
-import { BaseEntity, BaseListener } from "../BaseEntity";
-import * as _ from "lodash";
-import { BaseEvent } from "../BaseEntity";
-import { DiagramEngine } from "../DiagramEngine";
-
-export interface BaseModelListener extends BaseListener {
-	selectionChanged?(event: BaseEvent<BaseModel> & { isSelected: boolean }): void;
-
-	entityRemoved?(event: BaseEvent<BaseModel>): void;
-}
-
-/**
- * @author Dylan Vorster
- */
-export class BaseModel<
-	X extends BaseEntity = BaseEntity,
-	T extends BaseModelListener = BaseModelListener
-> extends BaseEntity<T> {
-	type: string;
-	selected: boolean;
-	parent: X;
-
-	constructor(type?: string, id?: string) {
-		super(id);
-		this.type = type;
-		this.selected = false;
-	}
-
-	public getParent(): X {
-		return this.parent;
-	}
-
-	public setParent(parent: X) {
-		this.parent = parent;
-	}
-
-	public getSelectedEntities(): BaseModel<any, T>[] {
-		if (this.isSelected()) {
-			return [this];
-		}
-		return [];
-	}
-
-	public deSerialize(ob, engine: DiagramEngine) {
-		super.deSerialize(ob, engine);
-		this.type = ob.type;
-		this.selected = ob.selected;
-	}
-
-	public serialize() {
-		return _.merge(super.serialize(), {
-			type: this.type,
-			selected: this.selected
-		});
-	}
-
-	public getType(): string {
-		return this.type;
-	}
-
-	public getID(): string {
-		return this.id;
-	}
-
-	public isSelected(): boolean {
-		return this.selected;
-	}
-
-	public setSelected(selected: boolean = true) {
-		this.selected = selected;
-		this.iterateListeners((listener, event) => {
-			if (listener.selectionChanged) {
-				listener.selectionChanged({ ...event, isSelected: selected });
-			}
-		});
-	}
-
-	public remove() {
-		this.iterateListeners((listener, event) => {
-			if (listener.entityRemoved) {
-				listener.entityRemoved(event);
-			}
-		});
-	}
-}

src/models/DiagramModel.ts

@@ -1,240 +1,48 @@
-import { BaseListener, BaseEntity, BaseEvent, BaseEntityType } from "../BaseEntity";
 import * as _ from "lodash";
-import { DiagramEngine } from "../DiagramEngine";
 import { LinkModel } from "./LinkModel";
 import { NodeModel } from "./NodeModel";
-import { PortModel } from "./PortModel";
-import { BaseModel, BaseModelListener } from "./BaseModel";
-import { PointModel } from "./PointModel";
-/**
- * @author Dylan Vorster
- *
- */
-export interface DiagramListener extends BaseListener {
+import { BaseModel, BaseEvent, CanvasModel, CanvasModelListener, CanvasLayerModel } from "@projectstorm/react-canvas";
+
+export interface DiagramListener extends CanvasModelListener {
 	nodesUpdated?(event: BaseEvent & { node: NodeModel; isCreated: boolean }): void;
 
 	linksUpdated?(event: BaseEvent & { link: LinkModel; isCreated: boolean }): void;
 
-	offsetUpdated?(event: BaseEvent<DiagramModel> & { offsetX: number; offsetY: number }): void;
-
-	zoomUpdated?(event: BaseEvent<DiagramModel> & { zoom: number }): void;
-
 	gridUpdated?(event: BaseEvent<DiagramModel> & { size: number }): void;
 }
 
-/**
- *
- */
-export class DiagramModel extends BaseEntity<DiagramListener> {
-	//models
-	links: { [s: string]: LinkModel };
-	nodes: { [s: string]: NodeModel };
-
-	//control variables
-	offsetX: number;
-	offsetY: number;
-	zoom: number;
-	rendered: boolean;
-	gridSize: number;
+export class DiagramModel extends CanvasModel<DiagramListener> {
+	linksLayer: CanvasLayerModel<LinkModel>;
+	nodesLayer: CanvasLayerModel<NodeModel>;
 
 	constructor() {
 		super();
 
-		this.links = {};
-		this.nodes = {};
+		this.linksLayer = new CanvasLayerModel();
+		this.nodesLayer = new CanvasLayerModel();
 
-		this.offsetX = 0;
-		this.offsetY = 0;
-		this.zoom = 100;
-		this.rendered = false;
-		this.gridSize = 0;
-	}
+		this.linksLayer.setSVG(true);
+		this.linksLayer.setTransformable(true);
 
-	setGridSize(size: number = 0) {
-		this.gridSize = size;
-		this.iterateListeners((listener, event) => {
-			if (listener.gridUpdated) {
-				listener.gridUpdated({ ...event, size: size });
-			}
-		});
-	}
+		this.nodesLayer.setSVG(false);
+		this.nodesLayer.setTransformable(true);
 
-	getGridPosition(pos) {
-		if (this.gridSize === 0) {
-			return pos;
-		}
-		return this.gridSize * Math.floor((pos + this.gridSize / 2) / this.gridSize);
-	}
-
-	deSerializeDiagram(object: any, diagramEngine: DiagramEngine) {
-		this.deSerialize(object, diagramEngine);
-
-		this.offsetX = object.offsetX;
-		this.offsetY = object.offsetY;
-		this.zoom = object.zoom;
-		this.gridSize = object.gridSize;
-
-		// deserialize nodes
-		_.forEach(object.nodes, (node: any) => {
-			let nodeOb = diagramEngine.getNodeFactory(node.type).getNewInstance(node);
-			nodeOb.setParent(this);
-			nodeOb.deSerialize(node, diagramEngine);
-			this.addNode(nodeOb);
-		});
-
-		// deserialze links
-		_.forEach(object.links, (link: any) => {
-			let linkOb = diagramEngine.getLinkFactory(link.type).getNewInstance();
-			linkOb.setParent(this);
-			linkOb.deSerialize(link, diagramEngine);
-			this.addLink(linkOb);
-		});
-	}
-
-	serializeDiagram() {
-		return _.merge(this.serialize(), {
-			offsetX: this.offsetX,
-			offsetY: this.offsetY,
-			zoom: this.zoom,
-			gridSize: this.gridSize,
-			links: _.map(this.links, link => {
-				return link.serialize();
-			}),
-			nodes: _.map(this.nodes, node => {
-				return node.serialize();
-			})
-		});
-	}
-
-	clearSelection(ignore: BaseModel<BaseEntity, BaseModelListener> | null = null) {
-		_.forEach(this.getSelectedItems(), element => {
-			if (ignore && ignore.getID() === element.getID()) {
-				return;
-			}
-			element.setSelected(false); //TODO dont fire the listener
-		});
-	}
-
-	getSelectedItems(...filters: BaseEntityType[]): BaseModel<BaseEntity, BaseModelListener>[] {
-		if (!Array.isArray(filters)) {
-			filters = [filters];
-		}
-		var items = [];
-
-		// run through nodes
-		items = items.concat(
-			_.flatMap(this.nodes, node => {
-				return node.getSelectedEntities();
-			})
-		);
-
-		// find all the links
-		items = items.concat(
-			_.flatMap(this.links, link => {
-				return link.getSelectedEntities();
-			})
-		);
-
-		//find all points
-		items = items.concat(
-			_.flatMap(this.links, link => {
-				return _.flatMap(link.points, point => {
-					return point.getSelectedEntities();
-				});
-			})
-		);
-
-		items = _.uniq(items);
-
-		if (filters.length > 0) {
-			items = _.filter(_.uniq(items), (item: BaseModel<any>) => {
-				if (_.includes(filters, "node") && item instanceof NodeModel) {
-					return true;
-				}
-				if (_.includes(filters, "link") && item instanceof LinkModel) {
-					return true;
-				}
-				if (_.includes(filters, "port") && item instanceof PortModel) {
-					return true;
-				}
-				if (_.includes(filters, "point") && item instanceof PointModel) {
-					return true;
-				}
-				return false;
-			});
-		}
-
-		return items;
-	}
-
-	setZoomLevel(zoom: number) {
-		this.zoom = zoom;
-
-		this.iterateListeners((listener, event) => {
-			if (listener.zoomUpdated) {
-				listener.zoomUpdated({ ...event, zoom: zoom });
-			}
-		});
-	}
-
-	setOffset(offsetX: number, offsetY: number) {
-		this.offsetX = offsetX;
-		this.offsetY = offsetY;
-		this.iterateListeners((listener, event) => {
-			if (listener.offsetUpdated) {
-				listener.offsetUpdated({ ...event, offsetX: offsetX, offsetY: offsetY });
-			}
-		});
-	}
-
-	setOffsetX(offsetX: number) {
-		this.offsetX = offsetX;
-		this.iterateListeners((listener, event) => {
-			if (listener.offsetUpdated) {
-				listener.offsetUpdated({ ...event, offsetX: offsetX, offsetY: this.offsetY });
-			}
-		});
-	}
-	setOffsetY(offsetY: number) {
-		this.offsetY = offsetY;
-
-		this.iterateListeners((listener, event) => {
-			if (listener.offsetUpdated) {
-				listener.offsetUpdated({ ...event, offsetX: this.offsetX, offsetY: this.offsetY });
-			}
-		});
-	}
-
-	getOffsetY() {
-		return this.offsetY;
-	}
-
-	getOffsetX() {
-		return this.offsetX;
-	}
-
-	getZoomLevel() {
-		return this.zoom;
+		this.addLayer(this.linksLayer);
+		this.addLayer(this.nodesLayer);
 	}
 
 	getNode(node: string | NodeModel): NodeModel | null {
 		if (node instanceof NodeModel) {
 			return node;
 		}
-		if (!this.nodes[node]) {
-			return null;
-		}
-		return this.nodes[node];
+		return this.nodesLayer.getEntity[node] || null;
 	}
 
 	getLink(link: string | LinkModel): LinkModel | null {
 		if (link instanceof LinkModel) {
 			return link;
 		}
-		if (!this.links[link]) {
-			return null;
-		}
-		return this.links[link];
+		return this.linksLayer.getEntity(link) || null;
 	}
 
 	addAll(...models: BaseModel[]): BaseModel[] {
@@ -249,13 +57,8 @@ export class DiagramModel extends BaseEntity<DiagramListener> {
 	}
 
 	addLink(link: LinkModel): LinkModel {
-		link.addListener({
-			entityRemoved: () => {
-				this.removeLink(link);
-			}
-		});
-		this.links[link.getID()] = link;
-		this.iterateListeners((listener, event) => {
+		this.linksLayer.addEntity(link);
+		this.iterateListeners("link added", (listener, event) => {
 			if (listener.linksUpdated) {
 				listener.linksUpdated({ ...event, link: link, isCreated: true });
 			}
@@ -264,13 +67,8 @@ export class DiagramModel extends BaseEntity<DiagramListener> {
 	}
 
 	addNode(node: NodeModel): NodeModel {
-		node.addListener({
-			entityRemoved: () => {
-				this.removeNode(node);
-			}
-		});
-		this.nodes[node.getID()] = node;
-		this.iterateListeners((listener, event) => {
+		this.nodesLayer.addEntity(node);
+		this.iterateListeners("node added", (listener, event) => {
 			if (listener.nodesUpdated) {
 				listener.nodesUpdated({ ...event, node: node, isCreated: true });
 			}
@@ -279,9 +77,8 @@ export class DiagramModel extends BaseEntity<DiagramListener> {
 	}
 
 	removeLink(link: LinkModel | string) {
-		link = this.getLink(link);
-		delete this.links[link.getID()];
-		this.iterateListeners((listener, event) => {
+		this.linksLayer.removeEntity(link);
+		this.iterateListeners("link removed", (listener, event) => {
 			if (listener.linksUpdated) {
 				listener.linksUpdated({ ...event, link: link as LinkModel, isCreated: false });
 			}
@@ -289,9 +86,8 @@ export class DiagramModel extends BaseEntity<DiagramListener> {
 	}
 
 	removeNode(node: NodeModel | string) {
-		node = this.getNode(node);
-		delete this.nodes[node.getID()];
-		this.iterateListeners((listener, event) => {
+		this.nodesLayer.removeEntity(node);
+		this.iterateListeners("node removed", (listener, event) => {
 			if (listener.nodesUpdated) {
 				listener.nodesUpdated({ ...event, node: node as NodeModel, isCreated: false });
 			}
@@ -299,10 +95,10 @@ export class DiagramModel extends BaseEntity<DiagramListener> {
 	}
 
 	getLinks(): { [s: string]: LinkModel } {
-		return this.links;
+		return this.linksLayer.getEntities();
 	}
 
 	getNodes(): { [s: string]: NodeModel } {
-		return this.nodes;
+		return this.nodesLayer.getEntities();
 	}
 }

src/models/LabelModel.ts

@@ -1,13 +1,27 @@
-import { BaseModel } from "./BaseModel";
 import { LinkModel } from "./LinkModel";
+import * as _ from "lodash";
+import { BaseModel, DeserializeEvent } from "@projectstorm/react-canvas";
 
 export class LabelModel extends BaseModel<LinkModel> {
 	offsetX: number;
 	offsetY: number;
 
-	constructor(type?: string, id?: string) {
-		super(type, id);
+	constructor(type?: string) {
+		super(type);
 		this.offsetX = 0;
 		this.offsetY = 0;
 	}
+
+	deSerialize(event: DeserializeEvent) {
+		super.deSerialize(event);
+		this.offsetX = event.data.offsetX;
+		this.offsetY = event.data.offsetY;
+	}
+
+	serialize() {
+		return _.merge(super.serialize(), {
+			offsetX: this.offsetX,
+			offsetY: this.offsetY
+		});
+	}
 }

src/models/LinkModel.ts

@@ -1,97 +1,71 @@
-import { BaseModel, BaseModelListener } from "./BaseModel";
 import { PortModel } from "./PortModel";
 import { PointModel } from "./PointModel";
 import * as _ from "lodash";
-import { BaseEvent } from "../BaseEntity";
 import { LabelModel } from "./LabelModel";
-import { DiagramEngine } from "../DiagramEngine";
-import { DiagramModel } from "./DiagramModel";
+import {
+	BaseEvent,
+	GraphModel,
+	GraphModelOrdered,
+	CanvasElementModel,
+	CanvasElementModelListener,
+	Rectangle,
+	DeserializeEvent
+} from "@projectstorm/react-canvas";
 
-export interface LinkModelListener extends BaseModelListener {
-	sourcePortChanged?(event: BaseEvent<LinkModel> & { port: null | PortModel }): void;
+export interface LinkModelListener<T extends LinkModel = any> extends CanvasElementModelListener<T> {
+	sourcePortChanged?(event: BaseEvent<T> & { port: null | PortModel }): void;
 
-	targetPortChanged?(event: BaseEvent<LinkModel> & { port: null | PortModel }): void;
+	targetPortChanged?(event: BaseEvent<T> & { port: null | PortModel }): void;
 }
 
-export class LinkModel<T extends LinkModelListener = LinkModelListener> extends BaseModel<DiagramModel, T> {
-	sourcePort: PortModel | null;
-	targetPort: PortModel | null;
-	labels: LabelModel[];
-	points: PointModel[];
-	extras: {};
+export class LinkModel<T extends LinkModelListener = LinkModelListener> extends CanvasElementModel<T> {
+	protected sourcePort: PortModel | null;
+	protected targetPort: PortModel | null;
+	protected labels: GraphModel<LabelModel, LinkModel>;
+	protected points: GraphModelOrdered<PointModel, LinkModel>;
 
-	constructor(linkType: string = "default", id?: string) {
-		super(linkType, id);
-		this.points = [new PointModel(this, { x: 0, y: 0 }), new PointModel(this, { x: 0, y: 0 })];
-		this.extras = {};
+	constructor(linkType: string = "default") {
+		super(linkType);
+		this.points = new GraphModelOrdered();
+		this.labels = new GraphModel();
+		this.points.setParentDelegate(this);
+		this.labels.setParentDelegate(this);
 		this.sourcePort = null;
 		this.targetPort = null;
-		this.labels = [];
 	}
 
-	deSerialize(ob, engine: DiagramEngine) {
-		super.deSerialize(ob, engine);
-		this.extras = ob.extras;
-		this.points = _.map(ob.points || [], (point: { x; y }) => {
-			var p = new PointModel(this, { x: point.x, y: point.y });
-			p.deSerialize(point, engine);
-			return p;
-		});
+	setDimensions(dimensions: Rectangle) {
+		throw new Error("Method not implemented.");
+	}
 
-		//deserialize labels
-		_.forEach(ob.labels || [], (label: any) => {
-			let labelOb = engine.getLabelFactory(label.type).getNewInstance();
-			labelOb.deSerialize(label, engine);
-			this.addLabel(labelOb);
-		});
+	getDimensions(): Rectangle {
+		throw new Error("Method not implemented.");
+	}
 
-		if (ob.target) {
-			this.setTargetPort(
-				this.getParent()
-					.getNode(ob.target)
-					.getPortFromID(ob.targetPort)
-			);
+	deSerialize(event: DeserializeEvent) {
+		super.deSerialize(event);
+		this.points.deSerialize(event.subset("points"));
+		this.labels.deSerialize(event.subset("labels"));
+		if (event.data.target) {
+			this.setTargetPort(event.cache[event.data.targetPort] as PortModel);
 		}
 
-		if (ob.source) {
-			this.setSourcePort(
-				this.getParent()
-					.getNode(ob.source)
-					.getPortFromID(ob.sourcePort)
-			);
+		if (event.data.source) {
+			this.setSourcePort(event.cache[event.data.sourcePort] as PortModel);
 		}
 	}
 
 	serialize() {
 		return _.merge(super.serialize(), {
-			source: this.sourcePort ? this.sourcePort.getParent().id : null,
-			sourcePort: this.sourcePort ? this.sourcePort.id : null,
-			target: this.targetPort ? this.targetPort.getParent().id : null,
-			targetPort: this.targetPort ? this.targetPort.id : null,
-			points: _.map(this.points, point => {
-				return point.serialize();
-			}),
-			extras: this.extras,
-			labels: _.map(this.labels, label => {
-				return label.serialize();
-			})
+			source: this.sourcePort ? this.sourcePort.getParent().getID() : null,
+			sourcePort: this.sourcePort ? this.sourcePort.getID() : null,
+			target: this.targetPort ? this.targetPort.getParent().getID() : null,
+			targetPort: this.targetPort ? this.targetPort.getID() : null,
+			points: this.points.serialize(),
+			labels: this.labels.serialize()
 		});
 	}
 
-	doClone(lookupTable = {}, clone) {
-		clone.setPoints(
-			_.map(this.getPoints(), (point: PointModel) => {
-				return point.clone(lookupTable);
-			})
-		);
-		if (this.sourcePort) {
-			clone.setSourcePort(this.sourcePort.clone(lookupTable));
-		}
-		if (this.targetPort) {
-			clone.setTargetPort(this.targetPort.clone(lookupTable));
-		}
-	}
-
 	remove() {
 		if (this.sourcePort) {
 			this.sourcePort.removeLink(this);
@@ -99,25 +73,19 @@ export class LinkModel<T extends LinkModelListener = LinkModelListener> extends
 		if (this.targetPort) {
 			this.targetPort.removeLink(this);
 		}
-		super.remove();
 	}
 
 	isLastPoint(point: PointModel) {
 		var index = this.getPointIndex(point);
-		return index === this.points.length - 1;
+		return index === this.points.count() - 1;
 	}
 
 	getPointIndex(point: PointModel) {
-		return this.points.indexOf(point);
+		return _.values(this.points.getEntities()).indexOf(point);
 	}
 
 	getPointModel(id: string): PointModel | null {
-		for (var i = 0; i < this.points.length; i++) {
-			if (this.points[i].id === id) {
-				return this.points[i];
-			}
-		}
-		return null;
+		return this.points.getEntities()[id];
 	}
 
 	getPortForPoint(point: PointModel): PortModel {
@@ -141,23 +109,22 @@ export class LinkModel<T extends LinkModelListener = LinkModelListener> extends
 	}
 
 	getFirstPoint(): PointModel {
-		return this.points[0];
+		return _.values(this.points.getEntities())[0];
 	}
 
 	getLastPoint(): PointModel {
-		return this.points[this.points.length - 1];
+		return _.values(this.points.getEntities())[this.points.count() - 1];
 	}
 
 	setSourcePort(port: PortModel) {
 		if (port !== null) {
 			port.addLink(this);
-		} else if (this.sourcePort !== null) {
+		}
+		if (this.sourcePort !== null) {
 			this.sourcePort.removeLink(this);
-		} else {
-			return;
 		}
 		this.sourcePort = port;
-		this.iterateListeners((listener: LinkModelListener, event) => {
+		this.iterateListeners("source port changed", (listener: T, event) => {
 			if (listener.sourcePortChanged) {
 				listener.sourcePortChanged({ ...event, port: port });
 			}
@@ -175,13 +142,12 @@ export class LinkModel<T extends LinkModelListener = LinkModelListener> extends
 	setTargetPort(port: PortModel) {
 		if (port !== null) {
 			port.addLink(this);
-		} else if (this.targetPort !== null) {
+		}
+		if (this.targetPort !== null) {
 			this.targetPort.removeLink(this);
-		} else {
-			return;
 		}
 		this.targetPort = port;
-		this.iterateListeners((listener: LinkModelListener, event) => {
+		this.iterateListeners("target port chnaged", (listener: T, event) => {
 			if (listener.targetPortChanged) {
 				listener.targetPortChanged({ ...event, port: port });
 			}
@@ -193,46 +159,34 @@ export class LinkModel<T extends LinkModelListener = LinkModelListener> extends
 	}
 
 	addLabel(label: LabelModel) {
-		label.setParent(this);
-		this.labels.push(label);
+		this.labels.addEntity(label);
 	}
 
 	getPoints(): PointModel[] {
-		return this.points;
+		return this.points.getArray();
 	}
 
 	setPoints(points: PointModel[]) {
 		_.forEach(points, point => {
-			point.setParent(this);
+			point.setLink(this);
 		});
-		this.points = points;
+		this.points.addEntities(points);
 	}
 
 	removePoint(pointModel: PointModel) {
-		this.points.splice(this.getPointIndex(pointModel), 1);
-	}
-
-	removePointsBefore(pointModel: PointModel) {
-		this.points.splice(0, this.getPointIndex(pointModel));
-	}
-
-	removePointsAfter(pointModel: PointModel) {
-		this.points.splice(this.getPointIndex(pointModel) + 1);
-	}
-
-	removeMiddlePoints() {
-		if (this.points.length > 2) {
-			this.points.splice(0, this.points.length - 2);
-		}
+		this.points.removeEntity(pointModel);
 	}
 
 	addPoint<P extends PointModel>(pointModel: P, index = 1): P {
-		pointModel.setParent(this);
-		this.points.splice(index, 0, pointModel);
+		pointModel.setLink(this);
+		this.points.addEntity(pointModel, index);
 		return pointModel;
 	}
 
-	generatePoint(x: number = 0, y: number = 0): PointModel {
-		return new PointModel(this, { x: x, y: y });
+	generatePoint(x: number, y: number): PointModel {
+		let point = new PointModel(this);
+		point.getPoint().x = x;
+		point.getPoint().y = y;
+		return point;
 	}
 }

src/models/NodeModel.ts

@@ -1,118 +1,67 @@
-import { BaseModel, BaseModelListener } from "./BaseModel";
 import { PortModel } from "./PortModel";
 import * as _ from "lodash";
-import { DiagramEngine } from "../DiagramEngine";
-import { DiagramModel } from "./DiagramModel";
+import { Rectangle, CanvasElementModel, GraphModel, DeserializeEvent } from "@projectstorm/react-canvas";
 
-export class NodeModel extends BaseModel<DiagramModel, BaseModelListener> {
-	x: number;
-	y: number;
-	extras: any;
-	ports: { [s: string]: PortModel };
+export class NodeModel<T extends PortModel = PortModel> extends CanvasElementModel {
+	protected dimensions: Rectangle;
+	protected ports: GraphModel<T, null>;
 
-	// calculated post rendering so routing can be done correctly
-	width: number;
-	height: number;
-
-	constructor(nodeType: string = "default", id?: string) {
-		super(nodeType, id);
-		this.x = 0;
-		this.y = 0;
-		this.extras = {};
-		this.ports = {};
+	constructor(nodeType: string = "default") {
+		super(nodeType);
+		this.dimensions = new Rectangle(0, 0, 0, 0);
+		this.ports = new GraphModel("ports");
 	}
 
-	setPosition(x, y) {
-		//store position
-		let oldX = this.x;
-		let oldY = this.y;
-		_.forEach(this.ports, port => {
-			_.forEach(port.getLinks(), link => {
-				let point = link.getPointForPort(port);
-				point.x = point.x + x - oldX;
-				point.y = point.y + y - oldY;
-			});
-		});
-		this.x = x;
-		this.y = y;
+	setDimensions(dimensions: Rectangle) {
+		this.dimensions = dimensions;
 	}
 
-	getSelectedEntities() {
-		let entities = super.getSelectedEntities();
-
-		// add the points of each link that are selected here
-		if (this.isSelected()) {
-			_.forEach(this.ports, port => {
-				entities = entities.concat(
-					_.map(port.getLinks(), link => {
-						return link.getPointForPort(port);
-					})
-				);
-			});
-		}
-		return entities;
+	getDimensions(): Rectangle {
+		return this.dimensions;
 	}
 
-	deSerialize(ob, engine: DiagramEngine) {
-		super.deSerialize(ob, engine);
-		this.x = ob.x;
-		this.y = ob.y;
-		this.extras = ob.extras;
+	setPosition(x:number, y:number){
+		this.dimensions.updateDimensions(x,y, this.dimensions.getWidth(), this.dimensions.getHeight());
+	}
+
+	deSerialize(event: DeserializeEvent) {
+		super.deSerialize(event);
+		this.dimensions.deserialize(event.data.dimensions);
 
 		//deserialize ports
-		_.forEach(ob.ports, (port: any) => {
-			let portOb = engine.getPortFactory(port.type).getNewInstance();
-			portOb.deSerialize(port, engine);
+		let ports = event.subset("ports");
+		_.forEach(ports.data, (port: any, index) => {
+			let portOb = event.engine.getFactory(port.type).generateModel() as T;
+			portOb.deSerialize(ports.subset(index));
 			this.addPort(portOb);
 		});
 	}
 
 	serialize() {
 		return _.merge(super.serialize(), {
-			x: this.x,
-			y: this.y,
-			extras: this.extras,
-			ports: _.map(this.ports, port => {
-				return port.serialize();
-			})
+			dimensions: this.dimensions.serialize(),
+			ports: this.ports.serialize()
 		});
 	}
 
-	doClone(lookupTable = {}, clone) {
-		// also clone the ports
-		clone.ports = {};
-		_.forEach(this.ports, port => {
-			clone.addPort(port.clone(lookupTable));
-		});
-	}
-
-	remove() {
-		super.remove();
-		_.forEach(this.ports, port => {
-			_.forEach(port.getLinks(), link => {
-				link.remove();
-			});
-		});
-	}
-
-	getPortFromID(id): PortModel | null {
-		for (var i in this.ports) {
-			if (this.ports[i].id === id) {
+	getPortFromID(id): T | null {
+		for (let i in this.ports) {
+			if (this.ports[i].getID() === id) {
 				return this.ports[i];
 			}
 		}
 		return null;
 	}
 
-	getPort(name: string): PortModel | null {
-		return this.ports[name];
+	getPort(name: string): T | null {
+		return this.ports.getEntities()[name];
 	}
 
-	getPorts(): { [s: string]: PortModel } {
-		return this.ports;
+	getPorts(): { [s: string]: T } {
+		return this.ports.getEntities();
 	}
 
-	removePort(port: PortModel) {
+	removePort(port: T) {
 		//clear the parent node reference
 		if (this.ports[port.name]) {
 			this.ports[port.name].setParent(null);
@@ -120,14 +69,8 @@ export class NodeModel extends BaseModel<DiagramModel, BaseModelListener> {
 		}
 	}
 
-	addPort<T extends PortModel>(port: T): T {
-		port.setParent(this);
-		this.ports[port.name] = port;
+	addPort(port: T): T {
+		this.ports.addEntity(port);
 		return port;
 	}
-
-	updateDimensions({ width, height }: { width: number; height: number }) {
-		this.width = width;
-		this.height = height;
-	}
 }

src/models/PointModel.ts

@@ -1,69 +1,62 @@
-import { BaseModel, BaseModelListener } from "./BaseModel";
 import { LinkModel } from "./LinkModel";
 import * as _ from "lodash";
-import { DiagramEngine } from "../DiagramEngine";
+import {
+	Point,
+	CanvasElementModel,
+	CanvasElementModelListener,
+	Rectangle,
+	DeserializeEvent
+} from "@projectstorm/react-canvas";
 
-export class PointModel extends BaseModel<LinkModel, BaseModelListener> {
-	x: number;
-	y: number;
+export class PointModel extends CanvasElementModel<CanvasElementModelListener> {
+	protected point: Point;
+	protected link: LinkModel;
 
-	constructor(link: LinkModel, points: { x: number; y: number }) {
-		super();
-		this.x = points.x;
-		this.y = points.y;
-		this.parent = link;
+	constructor(link: LinkModel) {
+		super("point");
+		this.link = link;
 	}
 
-	getSelectedEntities() {
-		if (super.isSelected() && !this.isConnectedToPort()) {
-			return [this];
-		}
-		return [];
+	setDimensions(dimensions: Rectangle) {
+		this.point = dimensions.getTopLeft();
+	}
+
+	getDimensions(): Rectangle {
+		return new Rectangle(this.point, 10, 10);
 	}
 
 	isConnectedToPort(): boolean {
-		return this.parent.getPortForPoint(this) !== null;
+		return this.link.getPortForPoint(this) !== null;
+	}
+
+	setLink(link: LinkModel) {
+		this.link = link;
 	}
 
 	getLink(): LinkModel {
-		return this.getParent();
+		return this.link;
 	}
 
-	deSerialize(ob, engine: DiagramEngine) {
-		super.deSerialize(ob, engine);
-		this.x = ob.x;
-		this.y = ob.y;
+	deSerialize(event: DeserializeEvent) {
+		super.deSerialize(event);
+		this.point = new Point(event.data["x"], event.data["y"]);
 	}
 
 	serialize() {
 		return _.merge(super.serialize(), {
-			x: this.x,
-			y: this.y
+			x: this.point.x,
+			y: this.point.y
 		});
 	}
 
 	remove() {
 		//clear references
-		if (this.parent) {
-			this.parent.removePoint(this);
+		if (this.link) {
+			this.link.removePoint(this);
 		}
-		super.remove();
 	}
 
-	updateLocation(points: { x: number; y: number }) {
-		this.x = points.x;
-		this.y = points.y;
-	}
-
-	getX(): number {
-		return this.x;
-	}
-
-	getY(): number {
-		return this.y;
-	}
-
-	isLocked() {
-		return super.isLocked() || this.getParent().isLocked();
+	getPoint(): Point {
+		return this.point;
 	}
 }

src/models/PortModel.ts

@@ -1,49 +1,37 @@
-import { BaseModel, BaseModelListener } from "./BaseModel";
+import { BaseModel, BaseListener, DeserializeEvent } from "@projectstorm/react-canvas";
 import { NodeModel } from "./NodeModel";
 import { LinkModel } from "./LinkModel";
 import * as _ from "lodash";
-import { DiagramEngine } from "../DiagramEngine";
 
-export class PortModel extends BaseModel<NodeModel, BaseModelListener> {
+export class PortModel extends BaseModel<NodeModel, BaseListener> {
 	name: string;
 	links: { [id: string]: LinkModel };
 	maximumLinks: number;
 
-	// calculated post rendering so routing can be done correctly
-	x: number;
-	y: number;
-	width: number;
-	height: number;
-
-	constructor(name: string, type?: string, id?: string, maximumLinks?: number) {
-		super(type, id);
+	constructor(name: string, type?: string, maximumLinks?: number) {
+		super(type);
 		this.name = name;
 		this.links = {};
 		this.maximumLinks = maximumLinks;
 	}
 
-	deSerialize(ob, engine: DiagramEngine) {
-		super.deSerialize(ob, engine);
-		this.name = ob.name;
-		this.maximumLinks = ob.maximumLinks;
+	deSerialize(event: DeserializeEvent) {
+		super.deSerialize(event);
+		this.name = event.data.name;
+		this.maximumLinks = event.data.maximumLinks;
 	}
 
 	serialize() {
 		return _.merge(super.serialize(), {
 			name: this.name,
-			parentNode: this.parent.id,
+			parentNode: this.parent.getID(),
 			links: _.map(this.links, link => {
-				return link.id;
+				return link.getID();
 			}),
 			maximumLinks: this.maximumLinks
 		});
 	}
 
-	doClone(lookupTable = {}, clone) {
-		clone.links = {};
-		clone.parentNode = this.getParent().clone(lookupTable);
-	}
-
 	getNode(): NodeModel {
 		return this.getParent();
 	}
@@ -84,18 +72,7 @@ export class PortModel extends BaseModel<NodeModel, BaseModelListener> {
 		return null;
 	}
 
-	updateCoords({ x, y, width, height }: { x: number; y: number; width: number; height: number }) {
-		this.x = x;
-		this.y = y;
-		this.width = width;
-		this.height = height;
-	}
-
 	canLinkToPort(port: PortModel): boolean {
 		return true;
 	}
-
-	isLocked() {
-		return super.isLocked() || this.getParent().isLocked();
-	}
 }

src/models/SelectionModel.ts

@@ -1,8 +0,0 @@
-import { BaseModel, BaseModelListener } from "./BaseModel";
-import { BaseEntity } from "../BaseEntity";
-
-export interface SelectionModel {
-	model: BaseModel<BaseEntity, BaseModelListener>;
-	initialX: number;
-	initialY: number;
-}

src/routing/PathFinding.ts

@@ -1,133 +0,0 @@
-import * as PF from "pathfinding";
-import { DiagramEngine } from "../main";
-
-/*
-it can be very expensive to calculate routes when every single pixel on the canvas
-is individually represented. Using the factor below, we combine values in order
-to achieve the best trade-off between accuracy and performance.
-*/
-export const ROUTING_SCALING_FACTOR = 5;
-
-const pathFinderInstance = new PF.JumpPointFinder({
-	heuristic: PF.Heuristic.manhattan,
-	diagonalMovement: PF.DiagonalMovement.Never
-});
-
-export default class PathFinding {
-	instance: any;
-	diagramEngine: DiagramEngine;
-
-	constructor(diagramEngine: DiagramEngine) {
-		this.instance = pathFinderInstance;
-		this.diagramEngine = diagramEngine;
-	}
-
-	/**
-	 * Taking as argument a fully unblocked walking matrix, this method
-	 * finds a direct path from point A to B.
-	 */
-	calculateDirectPath(
-		from: {
-			x: number;
-			y: number;
-		},
-		to: {
-			x: number;
-			y: number;
-		}
-	): number[][] {
-		const matrix = this.diagramEngine.getCanvasMatrix();
-		const grid = new PF.Grid(matrix);
-
-		return pathFinderInstance.findPath(
-			this.diagramEngine.translateRoutingX(Math.floor(from.x / ROUTING_SCALING_FACTOR)),
-			this.diagramEngine.translateRoutingY(Math.floor(from.y / ROUTING_SCALING_FACTOR)),
-			this.diagramEngine.translateRoutingX(Math.floor(to.x / ROUTING_SCALING_FACTOR)),
-			this.diagramEngine.translateRoutingY(Math.floor(to.y / ROUTING_SCALING_FACTOR)),
-			grid
-		);
-	}
-
-	/**
-	 * Using @link{#calculateDirectPath}'s result as input, we here
-	 * determine the first walkable point found in the matrix that includes
-	 * blocked paths.
-	 */
-	calculateLinkStartEndCoords(
-		matrix: number[][],
-		path: number[][]
-	): {
-		start: {
-			x: number;
-			y: number;
-		};
-		end: {
-			x: number;
-			y: number;
-		};
-		pathToStart: number[][];
-		pathToEnd: number[][];
-	} {
-		const startIndex = path.findIndex(point => matrix[point[1]][point[0]] === 0);
-		const endIndex =
-			path.length -
-			1 -
-			path
-				.slice()
-				.reverse()
-				.findIndex(point => matrix[point[1]][point[0]] === 0);
-
-		// are we trying to create a path exclusively through blocked areas?
-		// if so, let's fallback to the linear routing
-		if (startIndex === -1 || endIndex === -1) {
-			return undefined;
-		}
-
-		const pathToStart = path.slice(0, startIndex);
-		const pathToEnd = path.slice(endIndex);
-
-		return {
-			start: {
-				x: path[startIndex][0],
-				y: path[startIndex][1]
-			},
-			end: {
-				x: path[endIndex][0],
-				y: path[endIndex][1]
-			},
-			pathToStart,
-			pathToEnd
-		};
-	}
-
-	/**
-	 * Puts everything together: merges the paths from/to the centre of the ports,
-	 * with the path calculated around other elements.
-	 */
-	calculateDynamicPath(
-		routingMatrix: number[][],
-		start: {
-			x: number;
-			y: number;
-		},
-		end: {
-			x: number;
-			y: number;
-		},
-		pathToStart: number[][],
-		pathToEnd: number[][]
-	) {
-		// generate the path based on the matrix with obstacles
-		const grid = new PF.Grid(routingMatrix);
-		const dynamicPath = pathFinderInstance.findPath(start.x, start.y, end.x, end.y, grid);
-
-		// aggregate everything to have the calculated path ready for rendering
-		const pathCoords = pathToStart
-			.concat(dynamicPath, pathToEnd)
-			.map(coords => [
-				this.diagramEngine.translateRoutingX(coords[0], true),
-				this.diagramEngine.translateRoutingY(coords[1], true)
-			]);
-		return PF.Util.compressPath(pathCoords);
-	}
-}

src/sass/_LinkLayerWidget.scss

@@ -1,11 +0,0 @@
-.srd-link-layer{
-  position: absolute;
-  height: 100%;
-  width: 100%;
-  transform-origin: 0 0;
-  overflow: visible !important;
-  top:0;
-  bottom: 0;
-  left: 0;
-  right: 0;
-}

src/sass/_NodeLayerWidget.scss

@@ -1,11 +0,0 @@
-.srd-node-layer{
-  top:0;
-  left:0;
-  right:0;
-  bottom:0;
-  position: absolute;
-  pointer-events: none;
-  transform-origin: 0 0;
-  width: 100%;
-  height: 100%;
-}

src/sass/main.scss

@@ -1,6 +1,4 @@
 @import "DiagramWidget";
-@import "LinkLayerWidget";
-@import "NodeLayerWidget";
 @import "NodeWidget";
 @import "PortWidget";
 
@@ -8,4 +6,4 @@
 @import "defaults/DefaultNodeWidget";
 @import "defaults/DefaultPortWidget";
 @import "defaults/DefaultLabelWidget";
-@import "defaults/DefaultLinkWidget";
+@import "defaults/DefaultLinkWidget";

src/widgets/BaseWidget.tsx

@@ -1,44 +0,0 @@
-import * as React from "react";
-import * as _ from "lodash";
-
-export interface BaseWidgetProps {
-	/**
-	 * Override the base class name
-	 */
-	baseClass?: string;
-	/**
-	 * append additional classes
-	 */
-	className?: string;
-
-	/**
-	 * Additional props to add
-	 */
-	extraProps?: any;
-}
-
-export class BaseWidget<P extends BaseWidgetProps = BaseWidgetProps, S = any> extends React.Component<P, S> {
-	className: string;
-
-	constructor(name: string, props: P) {
-		super(props);
-		this.className = name;
-	}
-
-	bem(selector: string): string {
-		return (this.props.baseClass || this.className) + selector + " ";
-	}
-
-	getClassName(): string {
-		return (
-			(this.props.baseClass || this.className) + " " + (this.props.className ? this.props.className + " " : "")
-		);
-	}
-
-	getProps(): any {
-		return {
-			...((this.props.extraProps as any) || {}),
-			className: this.getClassName()
-		};
-	}
-}

src/widgets/DiagramWidget.tsx

@@ -1,559 +0,0 @@
-import * as React from "react";
-import { DiagramEngine } from "../DiagramEngine";
-import * as _ from "lodash";
-import { LinkLayerWidget } from "./layers/LinkLayerWidget";
-import { NodeLayerWidget } from "./layers/NodeLayerWidget";
-import { Toolkit } from "../Toolkit";
-import { BaseAction } from "../actions/BaseAction";
-import { MoveCanvasAction } from "../actions/MoveCanvasAction";
-import { MoveItemsAction } from "../actions/MoveItemsAction";
-import { SelectingAction } from "../actions/SelectingAction";
-import { NodeModel } from "../models/NodeModel";
-import { PointModel } from "../models/PointModel";
-import { PortModel } from "../models/PortModel";
-import { LinkModel } from "../models/LinkModel";
-import { SelectionModel } from "../models/SelectionModel";
-import { BaseModel, BaseModelListener } from "../models/BaseModel";
-import { BaseEntity } from "../BaseEntity";
-import { BaseWidget, BaseWidgetProps } from "./BaseWidget";
-
-export interface DiagramProps extends BaseWidgetProps {
-	diagramEngine: DiagramEngine;
-
-	allowLooseLinks?: boolean;
-	allowCanvasTranslation?: boolean;
-	allowCanvasZoom?: boolean;
-	inverseZoom?: boolean;
-	maxNumberPointsPerLink?: number;
-	smartRouting?: boolean;
-
-	actionStartedFiring?: (action: BaseAction) => boolean;
-	actionStillFiring?: (action: BaseAction) => void;
-	actionStoppedFiring?: (action: BaseAction) => void;
-
-	deleteKeys?: number[];
-}
-
-export interface DiagramState {
-	action: BaseAction | null;
-	wasMoved: boolean;
-	renderedNodes: boolean;
-	windowListener: any;
-	diagramEngineListener: any;
-	document: any;
-}
-
-/**
- * @author Dylan Vorster
- */
-export class DiagramWidget extends BaseWidget<DiagramProps, DiagramState> {
-	public static defaultProps: DiagramProps = {
-		diagramEngine: null,
-		allowLooseLinks: true,
-		allowCanvasTranslation: true,
-		allowCanvasZoom: true,
-		inverseZoom: false,
-		maxNumberPointsPerLink: Infinity, // backwards compatible default
-		smartRouting: false,
-		deleteKeys: [46, 8]
-	};
-
-	onKeyUpPointer: (this: Window, ev: KeyboardEvent) => void = null;
-
-	constructor(props: DiagramProps) {
-		super("srd-diagram", props);
-		this.onMouseMove = this.onMouseMove.bind(this);
-		this.onMouseUp = this.onMouseUp.bind(this);
-		this.state = {
-			action: null,
-			wasMoved: false,
-			renderedNodes: false,
-			windowListener: null,
-			diagramEngineListener: null,
-			document: null
-		};
-	}
-
-	componentWillUnmount() {
-		this.props.diagramEngine.removeListener(this.state.diagramEngineListener);
-		this.props.diagramEngine.setCanvas(null);
-		window.removeEventListener("keyup", this.onKeyUpPointer);
-		window.removeEventListener("mouseUp", this.onMouseUp);
-		window.removeEventListener("mouseMove", this.onMouseMove);
-	}
-
-	componentWillReceiveProps(nextProps: DiagramProps) {
-		if (this.props.diagramEngine !== nextProps.diagramEngine) {
-			this.props.diagramEngine.removeListener(this.state.diagramEngineListener);
-			const diagramEngineListener = nextProps.diagramEngine.addListener({
-				repaintCanvas: () => this.forceUpdate()
-			});
-			this.setState({ diagramEngineListener });
-		}
-	}
-
-	componentWillUpdate(nextProps: DiagramProps) {
-		if (this.props.diagramEngine.diagramModel.id !== nextProps.diagramEngine.diagramModel.id) {
-			this.setState({ renderedNodes: false });
-			nextProps.diagramEngine.diagramModel.rendered = true;
-		}
-		if (!nextProps.diagramEngine.diagramModel.rendered) {
-			this.setState({ renderedNodes: false });
-			nextProps.diagramEngine.diagramModel.rendered = true;
-		}
-	}
-
-	componentDidUpdate() {
-		if (!this.state.renderedNodes) {
-			this.setState({
-				renderedNodes: true
-			});
-		}
-	}
-
-	componentDidMount() {
-		this.onKeyUpPointer = this.onKeyUp.bind(this);
-
-		//add a keyboard listener
-		this.setState({
-			document: document,
-			renderedNodes: true,
-			diagramEngineListener: this.props.diagramEngine.addListener({
-				repaintCanvas: () => {
-					this.forceUpdate();
-				}
-			})
-		});
-
-		window.addEventListener("keyup", this.onKeyUpPointer, false);
-
-		// dont focus the window when in test mode - jsdom fails
-		if (process.env.NODE_ENV !== "test") {
-			window.focus();
-		}
-	}
-
-	/**
-	 * Gets a model and element under the mouse cursor
-	 */
-	getMouseElement(event): { model: BaseModel<BaseEntity, BaseModelListener>; element: Element } {
-		var target = event.target as Element;
-		var diagramModel = this.props.diagramEngine.diagramModel;
-
-		//is it a port
-		var element = Toolkit.closest(target, ".port[data-name]");
-		if (element) {
-			var nodeElement = Toolkit.closest(target, ".node[data-nodeid]") as HTMLElement;
-			return {
-				model: diagramModel
-					.getNode(nodeElement.getAttribute("data-nodeid"))
-					.getPort(element.getAttribute("data-name")),
-				element: element
-			};
-		}
-
-		//look for a point
-		element = Toolkit.closest(target, ".point[data-id]");
-		if (element) {
-			return {
-				model: diagramModel
-					.getLink(element.getAttribute("data-linkid"))
-					.getPointModel(element.getAttribute("data-id")),
-				element: element
-			};
-		}
-
-		//look for a link
-		element = Toolkit.closest(target, "[data-linkid]");
-		if (element) {
-			return {
-				model: diagramModel.getLink(element.getAttribute("data-linkid")),
-				element: element
-			};
-		}
-
-		//look for a node
-		element = Toolkit.closest(target, ".node[data-nodeid]");
-		if (element) {
-			return {
-				model: diagramModel.getNode(element.getAttribute("data-nodeid")),
-				element: element
-			};
-		}
-
-		return null;
-	}
-
-	fireAction() {
-		if (this.state.action && this.props.actionStillFiring) {
-			this.props.actionStillFiring(this.state.action);
-		}
-	}
-
-	stopFiringAction(shouldSkipEvent?: boolean) {
-		if (this.props.actionStoppedFiring && !shouldSkipEvent) {
-			this.props.actionStoppedFiring(this.state.action);
-		}
-		this.setState({ action: null });
-	}
-
-	startFiringAction(action: BaseAction) {
-		var setState = true;
-		if (this.props.actionStartedFiring) {
-			setState = this.props.actionStartedFiring(action);
-		}
-		if (setState) {
-			this.setState({ action: action });
-		}
-	}
-
-	onMouseMove(event) {
-		var diagramEngine = this.props.diagramEngine;
-		var diagramModel = diagramEngine.getDiagramModel();
-		//select items so draw a bounding box
-		if (this.state.action instanceof SelectingAction) {
-			var relative = diagramEngine.getRelativePoint(event.clientX, event.clientY);
-
-			_.forEach(diagramModel.getNodes(), node => {
-				if ((this.state.action as SelectingAction).containsElement(node.x, node.y, diagramModel)) {
-					node.setSelected(true);
-				}
-			});
-
-			_.forEach(diagramModel.getLinks(), link => {
-				var allSelected = true;
-				_.forEach(link.points, point => {
-					if ((this.state.action as SelectingAction).containsElement(point.x, point.y, diagramModel)) {
-						point.setSelected(true);
-					} else {
-						allSelected = false;
-					}
-				});
-
-				if (allSelected) {
-					link.setSelected(true);
-				}
-			});
-
-			this.state.action.mouseX2 = relative.x;
-			this.state.action.mouseY2 = relative.y;
-
-			this.fireAction();
-			this.setState({ action: this.state.action });
-			return;
-		} else if (this.state.action instanceof MoveItemsAction) {
-			let amountX = event.clientX - this.state.action.mouseX;
-			let amountY = event.clientY - this.state.action.mouseY;
-			let amountZoom = diagramModel.getZoomLevel() / 100;
-
-			_.forEach(this.state.action.selectionModels, model => {
-				// in this case we need to also work out the relative grid position
-				if (
-					model.model instanceof NodeModel ||
-					(model.model instanceof PointModel && !model.model.isConnectedToPort())
-				) {
-					model.model.x = diagramModel.getGridPosition(model.initialX + amountX / amountZoom);
-					model.model.y = diagramModel.getGridPosition(model.initialY + amountY / amountZoom);
-
-					// update port coordinates as well
-					if (model.model instanceof NodeModel) {
-						_.forEach(model.model.getPorts(), port => {
-							const portCoords = this.props.diagramEngine.getPortCoords(port);
-							port.updateCoords(portCoords);
-						});
-					}
-
-					if (diagramEngine.isSmartRoutingEnabled()) {
-						diagramEngine.calculateRoutingMatrix();
-					}
-				} else if (model.model instanceof PointModel) {
-					// we want points that are connected to ports, to not neccesarilly snap to grid
-					// this stuff needs to be pixel perfect, dont touch it
-					model.model.x = model.initialX + diagramModel.getGridPosition(amountX / amountZoom);
-					model.model.y = model.initialY + diagramModel.getGridPosition(amountY / amountZoom);
-				}
-			});
-
-			if (diagramEngine.isSmartRoutingEnabled()) {
-				diagramEngine.calculateCanvasMatrix();
-			}
-
-			this.fireAction();
-			if (!this.state.wasMoved) {
-				this.setState({ wasMoved: true });
-			} else {
-				this.forceUpdate();
-			}
-		} else if (this.state.action instanceof MoveCanvasAction) {
-			//translate the actual canvas
-			if (this.props.allowCanvasTranslation) {
-				diagramModel.setOffset(
-					this.state.action.initialOffsetX + (event.clientX - this.state.action.mouseX),
-					this.state.action.initialOffsetY + (event.clientY - this.state.action.mouseY)
-				);
-				this.fireAction();
-				this.forceUpdate();
-			}
-		}
-	}
-
-	onKeyUp(event) {
-		//delete all selected
-		if (this.props.deleteKeys.indexOf(event.keyCode) !== -1) {
-			_.forEach(this.props.diagramEngine.getDiagramModel().getSelectedItems(), element => {
-				//only delete items which are not locked
-				if (!this.props.diagramEngine.isModelLocked(element)) {
-					element.remove();
-				}
-			});
-			this.forceUpdate();
-		}
-	}
-
-	onMouseUp(event) {
-		var diagramEngine = this.props.diagramEngine;
-		//are we going to connect a link to something?
-		if (this.state.action instanceof MoveItemsAction) {
-			var element = this.getMouseElement(event);
-			var linkConnected = false;
-			_.forEach(this.state.action.selectionModels, model => {
-				//only care about points connecting to things
-				if (!(model.model instanceof PointModel)) {
-					return;
-				}
-				if (element && element.model instanceof PortModel && !diagramEngine.isModelLocked(element.model)) {
-					linkConnected = true;
-					let link = model.model.getLink();
-					if (link.getTargetPort() !== null) {
-						//if this was a valid link already and we are adding a node in the middle, create 2 links from the original
-						if (link.getTargetPort() !== element.model && link.getSourcePort() !== element.model) {
-							const targetPort = link.getTargetPort();
-							let newLink = link.clone({});
-							newLink.setSourcePort(element.model);
-							newLink.setTargetPort(targetPort);
-							link.setTargetPort(element.model);
-							targetPort.removeLink(link);
-							newLink.removePointsBefore(newLink.getPoints()[link.getPointIndex(model.model)]);
-							link.removePointsAfter(model.model);
-							diagramEngine.getDiagramModel().addLink(newLink);
-							//if we are connecting to the same target or source, remove tweener points
-						} else if (link.getTargetPort() === element.model) {
-							link.removePointsAfter(model.model);
-						} else if (link.getSourcePort() === element.model) {
-							link.removePointsBefore(model.model);
-						}
-					} else {
-						link.setTargetPort(element.model);
-					}
-					delete this.props.diagramEngine.linksThatHaveInitiallyRendered[link.getID()];
-				}
-				//if we moved a NodeModel and allowLooseLinks is false, we know that any links involved were valid
-				if ((!this.props.allowLooseLinks && element.model instanceof NodeModel) || !this.state.wasMoved) {
-					linkConnected = true;
-				}
-			});
-
-			//do we want to allow loose links on the diagram model or not
-			if (!linkConnected && !this.props.allowLooseLinks) {
-				_.forEach(this.state.action.selectionModels, model => {
-					//only care about points connecting to things
-					if (!(model.model instanceof PointModel)) {
-						return;
-					}
-
-					var link = model.model.getLink();
-					if (link.isLastPoint(model.model)) {
-						link.remove();
-					}
-				});
-			}
-
-			//remove any invalid links
-			_.forEach(this.state.action.selectionModels, model => {
-				//only care about points connecting to things
-				if (!(model.model instanceof PointModel)) {
-					return;
-				}
-
-				var link = model.model.getLink();
-				var sourcePort: PortModel = link.getSourcePort();
-				var targetPort: PortModel = link.getTargetPort();
-				if (sourcePort !== null && targetPort !== null) {
-					if (!sourcePort.canLinkToPort(targetPort)) {
-						//link not allowed
-						link.remove();
-					} else if (
-						_.some(
-							_.values(targetPort.getLinks()),
-							(l: LinkModel) =>
-								l !== link && (l.getSourcePort() === sourcePort || l.getTargetPort() === sourcePort)
-						)
-					) {
-						//link is a duplicate
-						link.remove();
-					}
-				}
-			});
-
-			diagramEngine.clearRepaintEntities();
-			this.stopFiringAction(!this.state.wasMoved);
-		} else {
-			diagramEngine.clearRepaintEntities();
-			this.stopFiringAction();
-		}
-		this.state.document.removeEventListener("mousemove", this.onMouseMove);
-		this.state.document.removeEventListener("mouseup", this.onMouseUp);
-	}
-
-	drawSelectionBox() {
-		let dimensions = (this.state.action as SelectingAction).getBoxDimensions();
-		return (
-			<div
-				className={this.bem("__selector")}
-				style={{
-					top: dimensions.top,
-					left: dimensions.left,
-					width: dimensions.width,
-					height: dimensions.height
-				}}
-			/>
-		);
-	}
-
-	render() {
-		var diagramEngine = this.props.diagramEngine;
-		diagramEngine.setMaxNumberPointsPerLink(this.props.maxNumberPointsPerLink);
-		diagramEngine.setSmartRoutingStatus(this.props.smartRouting);
-		var diagramModel = diagramEngine.getDiagramModel();
-
-		return (
-			<div
-				{...this.getProps()}
-				ref={ref => {
-					if (ref) {
-						this.props.diagramEngine.setCanvas(ref);
-					}
-				}}
-				onWheel={event => {
-					if (this.props.allowCanvasZoom) {
-						event.preventDefault();
-						event.stopPropagation();
-						const oldZoomFactor = diagramModel.getZoomLevel() / 100;
-						let scrollDelta = this.props.inverseZoom ? -event.deltaY : event.deltaY;
-						//check if it is pinch gesture
-						if (event.ctrlKey && scrollDelta % 1 !== 0) {
-							/*Chrome and Firefox sends wheel event with deltaY that
-                have fractional part, also `ctrlKey` prop of the event is true
-                though ctrl isn't pressed
-              */
-							scrollDelta /= 3;
-						} else {
-							scrollDelta /= 60;
-						}
-						if (diagramModel.getZoomLevel() + scrollDelta > 10) {
-							diagramModel.setZoomLevel(diagramModel.getZoomLevel() + scrollDelta);
-						}
-
-						const zoomFactor = diagramModel.getZoomLevel() / 100;
-
-						const boundingRect = event.currentTarget.getBoundingClientRect();
-						const clientWidth = boundingRect.width;
-						const clientHeight = boundingRect.height;
-						// compute difference between rect before and after scroll
-						const widthDiff = clientWidth * zoomFactor - clientWidth * oldZoomFactor;
-						const heightDiff = clientHeight * zoomFactor - clientHeight * oldZoomFactor;
-						// compute mouse coords relative to canvas
-						const clientX = event.clientX - boundingRect.left;
-						const clientY = event.clientY - boundingRect.top;
-
-						// compute width and height increment factor
-						const xFactor = (clientX - diagramModel.getOffsetX()) / oldZoomFactor / clientWidth;
-						const yFactor = (clientY - diagramModel.getOffsetY()) / oldZoomFactor / clientHeight;
-
-						diagramModel.setOffset(
-							diagramModel.getOffsetX() - widthDiff * xFactor,
-							diagramModel.getOffsetY() - heightDiff * yFactor
-						);
-
-						diagramEngine.enableRepaintEntities([]);
-						this.forceUpdate();
-					}
-				}}
-				onMouseDown={event => {
-					this.setState({ ...this.state, wasMoved: false });
-
-					diagramEngine.clearRepaintEntities();
-					var model = this.getMouseElement(event);
-					//the canvas was selected
-					if (model === null) {
-						//is it a multiple selection
-						if (event.shiftKey) {
-							var relative = diagramEngine.getRelativePoint(event.clientX, event.clientY);
-							this.startFiringAction(new SelectingAction(relative.x, relative.y));
-						} else {
-							//its a drag the canvas event
-							diagramModel.clearSelection();
-							this.startFiringAction(new MoveCanvasAction(event.clientX, event.clientY, diagramModel));
-						}
-					} else if (model.model instanceof PortModel) {
-						//its a port element, we want to drag a link
-						if (!this.props.diagramEngine.isModelLocked(model.model)) {
-							var relative = diagramEngine.getRelativeMousePoint(event);
-							var sourcePort = model.model;
-							var link = sourcePort.createLinkModel();
-							link.setSourcePort(sourcePort);
-
-							if (link) {
-								link.removeMiddlePoints();
-								if (link.getSourcePort() !== sourcePort) {
-									link.setSourcePort(sourcePort);
-								}
-								link.setTargetPort(null);
-
-								link.getFirstPoint().updateLocation(relative);
-								link.getLastPoint().updateLocation(relative);
-
-								diagramModel.clearSelection();
-								link.getLastPoint().setSelected(true);
-								diagramModel.addLink(link);
-
-								this.startFiringAction(
-									new MoveItemsAction(event.clientX, event.clientY, diagramEngine)
-								);
-							}
-						} else {
-							diagramModel.clearSelection();
-						}
-					} else {
-						//its some or other element, probably want to move it
-						if (!event.shiftKey && !model.model.isSelected()) {
-							diagramModel.clearSelection();
-						}
-						model.model.setSelected(true);
-
-						this.startFiringAction(new MoveItemsAction(event.clientX, event.clientY, diagramEngine));
-					}
-					this.state.document.addEventListener("mousemove", this.onMouseMove);
-					this.state.document.addEventListener("mouseup", this.onMouseUp);
-				}}
-			>
-				{this.state.renderedNodes && (
-					<LinkLayerWidget
-						diagramEngine={diagramEngine}
-						pointAdded={(point: PointModel, event) => {
-							this.state.document.addEventListener("mousemove", this.onMouseMove);
-							this.state.document.addEventListener("mouseup", this.onMouseUp);
-							event.stopPropagation();
-							diagramModel.clearSelection(point);
-							this.setState({
-								action: new MoveItemsAction(event.clientX, event.clientY, diagramEngine)
-							});
-						}}
-					/>
-				)}
-				<NodeLayerWidget diagramEngine={diagramEngine} />
-				{this.state.action instanceof SelectingAction && this.drawSelectionBox()}
-			</div>
-		);
-	}
-}

src/widgets/LinkWidget.tsx

@@ -1,30 +0,0 @@
-import * as React from "react";
-import { DiagramEngine } from "../DiagramEngine";
-import { LinkModel } from "../models/LinkModel";
-import { BaseWidget, BaseWidgetProps } from "./BaseWidget";
-
-export interface LinkProps extends BaseWidgetProps {
-	link: LinkModel;
-	diagramEngine: DiagramEngine;
-	children?: any;
-}
-
-export interface LinkState {}
-
-/**
- * @author Dylan Vorster
- */
-export class LinkWidget extends BaseWidget<LinkProps, LinkState> {
-	constructor(props: LinkProps) {
-		super("srd-link", props);
-		this.state = {};
-	}
-
-	shouldComponentUpdate() {
-		return this.props.diagramEngine.canEntityRepaint(this.props.link);
-	}
-
-	render() {
-		return this.props.children;
-	}
-}

src/widgets/NodeWidget.tsx

@@ -1,8 +1,7 @@
 import * as React from "react";
 import { DiagramEngine } from "../DiagramEngine";
 import { NodeModel } from "../models/NodeModel";
-import { Toolkit } from "../Toolkit";
-import { BaseWidget, BaseWidgetProps } from "./BaseWidget";
+import { BaseWidget, BaseWidgetProps } from "@projectstorm/react-canvas";
 
 export interface NodeProps extends BaseWidgetProps {
 	node: NodeModel;
@@ -12,19 +11,12 @@ export interface NodeProps extends BaseWidgetProps {
 
 export interface NodeState {}
 
-/**
- * @author Dylan Vorster
- */
 export class NodeWidget extends BaseWidget<NodeProps, NodeState> {
 	constructor(props: NodeProps) {
 		super("srd-node", props);
 		this.state = {};
 	}
 
-	shouldComponentUpdate() {
-		return this.props.diagramEngine.canEntityRepaint(this.props.node);
-	}
-
 	getClassName() {
 		return "node " + super.getClassName() + (this.props.node.isSelected() ? this.bem("--selected") : "");
 	}
@@ -33,10 +25,10 @@ export class NodeWidget extends BaseWidget<NodeProps, NodeState> {
 		return (
 			<div
 				{...this.getProps()}
-				data-nodeid={this.props.node.id}
+				data-nodeid={this.props.node.getID()}
 				style={{
-					top: this.props.node.y,
-					left: this.props.node.x
+					top: this.props.node.getDimensions().getTopLeft().y,
+					left: this.props.node.getDimensions().getTopLeft().x
 				}}
 			>
 				{this.props.children}

src/widgets/PortWidget.tsx

@@ -1,6 +1,6 @@
 import * as React from "react";
 import { NodeModel } from "../models/NodeModel";
-import { BaseWidget, BaseWidgetProps } from "./BaseWidget";
+import { BaseWidget, BaseWidgetProps } from "@projectstorm/react-canvas";
 
 export interface PortProps extends BaseWidgetProps {
 	name: string;
@@ -11,9 +11,6 @@ export interface PortState {
 	selected: boolean;
 }
 
-/**
- * @author Dylan Vorster
- */
 export class PortWidget extends BaseWidget<PortProps, PortState> {
 	constructor(props: PortProps) {
 		super("srd-port", props);

src/widgets/layers/LinkLayerWidget.tsx

@@ -1,92 +0,0 @@
-import * as React from "react";
-import { DiagramEngine } from "../../DiagramEngine";
-import { LinkWidget } from "../LinkWidget";
-import * as _ from "lodash";
-import { PointModel } from "../../models/PointModel";
-import { BaseWidget, BaseWidgetProps } from "../BaseWidget";
-
-export interface LinkLayerProps extends BaseWidgetProps {
-	diagramEngine: DiagramEngine;
-	pointAdded: (point: PointModel, event: MouseEvent) => any;
-}
-
-export interface LinkLayerState {}
-
-/**
- * @author Dylan Vorster
- */
-export class LinkLayerWidget extends BaseWidget<LinkLayerProps, LinkLayerState> {
-	constructor(props: LinkLayerProps) {
-		super("srd-link-layer", props);
-		this.state = {};
-	}
-
-	render() {
-		var diagramModel = this.props.diagramEngine.getDiagramModel();
-		return (
-			<svg
-				{...this.getProps()}
-				style={{
-					transform:
-						"translate(" +
-						diagramModel.getOffsetX() +
-						"px," +
-						diagramModel.getOffsetY() +
-						"px) scale(" +
-						diagramModel.getZoomLevel() / 100.0 +
-						")"
-				}}
-			>
-				{//only perform these actions when we have a diagram
-				this.props.diagramEngine.canvas &&
-					_.map(diagramModel.getLinks(), link => {
-						if (
-							this.props.diagramEngine.nodesRendered &&
-							!this.props.diagramEngine.linksThatHaveInitiallyRendered[link.id]
-						) {
-							if (link.sourcePort !== null) {
-								try {
-									const portCenter = this.props.diagramEngine.getPortCenter(link.sourcePort);
-									link.points[0].updateLocation(portCenter);
-
-									const portCoords = this.props.diagramEngine.getPortCoords(link.sourcePort);
-									link.sourcePort.updateCoords(portCoords);
-
-									this.props.diagramEngine.linksThatHaveInitiallyRendered[link.id] = true;
-								} catch (ignore) {
-									/*noop*/
-								}
-							}
-							if (link.targetPort !== null) {
-								try {
-									const portCenter = this.props.diagramEngine.getPortCenter(link.targetPort);
-									_.last(link.points).updateLocation(portCenter);
-
-									const portCoords = this.props.diagramEngine.getPortCoords(link.targetPort);
-									link.targetPort.updateCoords(portCoords);
-
-									this.props.diagramEngine.linksThatHaveInitiallyRendered[link.id] = true;
-								} catch (ignore) {
-									/*noop*/
-								}
-							}
-						}
-
-						//generate links
-						var generatedLink = this.props.diagramEngine.generateWidgetForLink(link);
-						if (!generatedLink) {
-							throw new Error(`no link generated for type: ${link.getType()}`);
-						}
-
-						return (
-							<LinkWidget key={link.getID()} link={link} diagramEngine={this.props.diagramEngine}>
-								{React.cloneElement(generatedLink, {
-									pointAdded: this.props.pointAdded
-								})}
-							</LinkWidget>
-						);
-					})}
-			</svg>
-		);
-	}
-}

src/widgets/layers/NodeLayerWidget.tsx

@@ -1,64 +0,0 @@
-import * as React from "react";
-import { DiagramEngine } from "../../DiagramEngine";
-import * as _ from "lodash";
-import { NodeWidget } from "../NodeWidget";
-import { NodeModel } from "../../models/NodeModel";
-import { BaseWidget, BaseWidgetProps } from "../BaseWidget";
-
-export interface NodeLayerProps extends BaseWidgetProps {
-	diagramEngine: DiagramEngine;
-}
-
-export interface NodeLayerState {}
-
-export class NodeLayerWidget extends BaseWidget<NodeLayerProps, NodeLayerState> {
-	constructor(props: NodeLayerProps) {
-		super("srd-node-layer", props);
-		this.state = {};
-	}
-
-	updateNodeDimensions = () => {
-		if (!this.props.diagramEngine.nodesRendered) {
-			const diagramModel = this.props.diagramEngine.getDiagramModel();
-			_.map(diagramModel.getNodes(), node => {
-				node.updateDimensions(this.props.diagramEngine.getNodeDimensions(node));
-			});
-		}
-	};
-
-	componentDidUpdate() {
-		this.updateNodeDimensions();
-		this.props.diagramEngine.nodesRendered = true;
-	}
-
-	render() {
-		var diagramModel = this.props.diagramEngine.getDiagramModel();
-		return (
-			<div
-				{...this.getProps()}
-				style={{
-					transform:
-						"translate(" +
-						diagramModel.getOffsetX() +
-						"px," +
-						diagramModel.getOffsetY() +
-						"px) scale(" +
-						diagramModel.getZoomLevel() / 100.0 +
-						")"
-				}}
-			>
-				{_.map(diagramModel.getNodes(), (node: NodeModel) => {
-					return React.createElement(
-						NodeWidget,
-						{
-							diagramEngine: this.props.diagramEngine,
-							key: node.id,
-							node: node
-						},
-						this.props.diagramEngine.generateWidgetForNode(node)
-					);
-				})}
-			</div>
-		);
-	}
-}

tests/e2e/E2EHelper.ts

@@ -58,6 +58,25 @@ export class E2EPort extends E2EElement {
 			_.difference(_.flatMap((await this.parent.model()).ports, "links"), currentLinks)[0]
 		);
 	}
+
+	async linkToPoint(x: number, y: number): Promise<E2ELink> {
+		let currentLinks = _.flatMap((await this.parent.model()).ports, "links");
+
+		let bounds = await this.element.boundingBox();
+
+		// click on this port
+		this.page.mouse.move(bounds.x, bounds.y);
+		this.page.mouse.down();
+
+		// drag to point
+		this.page.mouse.move(x, y);
+		this.page.mouse.up();
+
+		// get the parent to get the link
+		return await this.helper.link(
+			_.difference(_.flatMap((await this.parent.model()).ports, "links"), currentLinks)[0]
+		);
+	}
 }
 
 export class E2ELink extends E2EElement {

tests/e2e/simple-flow.test.ts

@@ -0,0 +1,60 @@
+import "jest";
+import * as puppeteer from "puppeteer";
+import { E2EHelper } from "./E2EHelper";
+
+var browser;
+
+async function itShould(demo: string, directive, test: (page: puppeteer.Page, helper: E2EHelper) => any) {
+	it(directive, async () => {
+		let page = await browser.newPage();
+		await page.goto("file://" + __dirname + "/../../dist/e2e/" + demo + "/index.html");
+		let helper = new E2EHelper(page);
+		await test(page, helper);
+		await page.close();
+	});
+}
+
+beforeAll(async () => {
+	if (process.env.CIRCLECI) {
+		console.log("using CircleCI");
+
+		browser = await puppeteer.launch({
+			args: ["--no-sandbox", "--disable-setuid-sandbox"]
+		});
+	} else {
+		browser = await puppeteer.launch({
+			headless: false
+		});
+	}
+});
+
+afterAll(() => {
+	browser.close();
+});
+
+describe("simple flow test", async () => {
+	itShould("demo-simple-flow", "drag link to port adds a link", async (page, helper) => {
+		// create a new link
+		let node1 = await helper.node("6");
+		let node2 = await helper.node("9");
+
+		let port1 = await node1.port("7");
+		let port2 = await node2.port("10");
+
+		let newlink = await port1.link(port2);
+		await expect(await newlink.exists()).toBeTruthy();
+	});
+
+	itShould("demo-simple-flow", "drag link to node does not add a link", async (page, helper) => {
+		// create a new link
+		let node1 = await helper.node("6");
+		let node2 = await helper.node("9");
+
+		let port1 = await node1.port("7");
+
+		let node2Bounds = await node2.element.boundingBox();
+
+		let newlink = await port1.linkToPoint(node2Bounds.x, node2Bounds.y);
+		await expect(await newlink.exists()).toBeFalsy();
+	});
+});