ngx-diagrams/esm2015/lib/defaults/factories/default-link.factory.js

> Light Weight, Modular, Typed Diagram Engine for Angular

import { AbstractLinkFactory } from '../../factories/link.factory';
import { DefaultLinkComponent } from '../components/default-link/default-link.component';
import { DefaultLinkModel } from '../models/default-link.model';
export class DefaultLinkFactory extends AbstractLinkFactory {
    constructor(resolver, renderer) {
        super('default');
        this.resolver = resolver;
        this.renderer = renderer;
    }
    generateWidget(diagramEngine, link, linksHost) {
        const componentRef = linksHost.createComponent(this.getRecipe());
        // attach coordinates and default positional behaviour to the generated component host
        const rootNode = componentRef.location.nativeElement;
        // default style for link
        this.renderer.setStyle(rootNode, 'position', 'absolute');
        this.renderer.addClass(rootNode, 'label');
        // data attributes
        this.renderer.setAttribute(rootNode, 'data-linkid', link.id);
        // on destroy make sure to destroy the componentRef
        link.onEntityDestroy().subscribe(() => {
            componentRef.destroy();
        });
        // assign all passed properties to link initialization.
        Object.entries(link).forEach(([key, value]) => {
            componentRef.instance[key] = value;
        });
        componentRef.instance.diagramEngine = diagramEngine;
        componentRef.instance.setPainted(true);
        return componentRef;
    }
    getRecipe() {
        return this.resolver.resolveComponentFactory(DefaultLinkComponent);
    }
    getNewInstance() {
        return new DefaultLinkModel();
    }
}
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