markgojs/extensionsTS/TextEditorScript.ts

Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams

"use strict";
/*
*  Copyright (C) 1998-2019 by Northwoods Software Corporation. All Rights Reserved.
*/

import * as go from "../release/go";
import "./TextEditor";

export function init() {
	if (typeof (<any>window)["goSamples"] === 'function') (<any>window)["goSamples"]();  // init for these samples -- you don't need to call this

	const $ = go.GraphObject.make;  // for conciseness in defining templates

	let myDiagram = $(go.Diagram, "myDiagramDiv",  // create a Diagram for the DIV HTML element
		{
      initialContentAlignment: go.Spot.Center,
			"undoManager.isEnabled": true  // enable undo & redo
		});

	myDiagram.toolManager.textEditingTool.defaultTextEditor = (<any>window).TextEditor;

	// this predicate is true if the new string has at least three characters
	// and has a vowel in it
	function okName(textblock: go.GraphObject, oldstr: string, newstr: string) {
		return newstr.length >= 3 && /[aeiouy]/i.test(newstr);
	};

	// define a simple Node template
	myDiagram.nodeTemplate =
		$(go.Node, "Auto",  // the Shape will go around the TextBlock
			$(go.Shape, "RoundedRectangle", { strokeWidth: 0 },
				new go.Binding("fill", "color")),
			$(go.TextBlock,
				{ margin: 8, editable: true, textValidation: okName },  // some room around the text
				new go.Binding("text", "key"))
		);

	myDiagram.model = new go.GraphLinksModel(
		[
			{ key: "Alpha", color: "lightblue" },
			{ key: "Beta", color: "orange" },
			{ key: "Gamma", color: "lightgreen" },
			{ key: "Delta", color: "pink" }
		],
		[
			{ from: "Alpha", to: "Beta" },
			{ from: "Alpha", to: "Gamma" },
			{ from: "Beta", to: "Beta" },
			{ from: "Gamma", to: "Delta" },
			{ from: "Delta", to: "Alpha" }
		]);
}