services/workbench2/src/lib/cwl-svg/utils/dynamic-stylesheet.ts

   1 import {Workflow} from "..";
   2
   3 export class DynamicStylesheet {
   4     private styleElement: HTMLStyleElement;
   5     private scopedSelector: string;
   6     private innerStyle = "";
   7
   8     constructor(workflow: Workflow) {
   9
  10         this.styleElement      = document.createElement("style");
  11         this.styleElement.type = "text/css";
  12
  13         this.scopedSelector = `svg.${workflow.svgID}`;
  14
  15         document.getElementsByTagName("head")[0].appendChild(this.styleElement);
  16     }
  17
  18     remove() {
  19         this.styleElement.remove();
  20     }
  21
  22     set(style: string) {
  23         this.innerStyle = style;
  24
  25         this.styleElement.innerHTML = `
  26             ${this.scopedSelector} {
  27                 ${this.innerStyle}
  28             }
  29         `
  30     }
  31
  32
  33
  34
  35 }