ng2-tree-hackaday/src/draggable/captured-node.ts

angular2 component for visualizing data that can be naturally represented as a tree

import { Tree } from '../tree';
import { ElementRef } from '@angular/core';

export class CapturedNode {
  public constructor(private anElement: ElementRef,
                     private aTree: Tree) {
  }

  public canBeDroppedAt(element: ElementRef): boolean {
    return !this.sameAs(element) && !this.contains(element);
  }

  public contains(other: ElementRef): boolean {
    return this.element.nativeElement.contains(other.nativeElement);
  }

  public sameAs(other: ElementRef): boolean {
    return this.element === other;
  }

  public get element(): ElementRef {
    return this.anElement;
  }

  public get tree(): Tree {
    return this.aTree;
  }
}