Timo Hocker 3b67053b3e styles
2020-04-24 17:01:26 +02:00

75 lines
2.3 KiB
TypeScript

import { Element } from './Element';
import { Edge } from './Edge';
import { Node } from './Node';
import { GraphStyles } from './Styles';
import { Color } from './Color';
export class Graph extends Element {
public children: Array<Graph> = [];
public nodes: Array<Node> = [];
public is_root = false;
public edges: Array<Edge> = [];
public style?: GraphStyles;
public color?: Color;
// eslint-disable-next-line @typescript-eslint/naming-convention
public toString (level = 0): string {
const header = this.parent
? `subgraph cluster_${this.full_name}`
: `digraph ${this.full_name}`;
const attributes = [];
if (this.color)
attributes.push ({ name: 'color', value: this.color.toString () });
if (this.style)
attributes.push ({ name: 'style', value: this.style.toString () });
let attrs = `\n ${attributes.map ((v) => `${v.name} = ${v.value}`)
.join ('\n ')}\n`;
let children = `\n ${this.children.map ((c) => c.toString (level + 1))
.join ('\n ')}\n`;
let nodes = `\n ${this.nodes.map ((c) => c.toString ())
.join ('\n ')}\n`;
let edges = `\n ${this.edges.map ((c) => c.toString ())
.join ('\n ')}\n`;
if (attrs === '\n \n')
attrs = '';
if (children === '\n \n')
children = '';
if (nodes === '\n \n')
nodes = '';
if (edges === '\n \n')
edges = '';
return `${header} {${attrs}${children}${nodes}${edges}}`
.replace (/\n/gu, `\n${' '.repeat (level)}`)
.replace (/^\s+$/gmu, '');
}
public add_node (constructor: ((g: Node) => void) | string): void {
if (typeof constructor === 'string') {
this.nodes.push (new Node (constructor, this.full_name, constructor));
return;
}
const node = new Node ('unnamed', this.full_name);
constructor (node);
this.nodes.push (node);
}
public add_graph (constructor: ((g: Graph) => void) | string): void {
if (typeof constructor === 'string') {
this.children.push (new Graph (constructor, this.full_name));
return;
}
const graph = new Graph ('unnamed', this.full_name);
constructor (graph);
this.children.push (graph);
}
public add_edge (origin: string, target: string): void {
this.edges.push (
new Edge (`${this.full_name}_${origin}`, `${this.full_name}_${target}`)
);
}
}