Method updatePathByAnchor

ui/src/workflow/common/edge.ts:203–230

* 给边自定义方案，使其支持基于锚点的位置更新边的路径

()

   * 给边自定义方案，使其支持基于锚点的位置更新边的路径
   */
  updatePathByAnchor() {
    const sourceNodeModel = this.graphModel.getNodeModelById(this.sourceNodeId)
    const sourceAnchor = sourceNodeModel
      .getDefaultAnchor()
      .find((anchor: any) => anchor.id === this.sourceAnchorId)

    const targetNodeModel = this.graphModel.getNodeModelById(this.targetNodeId)
    const targetAnchor = targetNodeModel
      .getDefaultAnchor()
      .find((anchor: any) => anchor.id === this.targetAnchorId)
    if (sourceAnchor && targetAnchor) {
      const startPoint = {
        x: sourceAnchor.x,
        y: sourceAnchor.y,
      }
      this.updateStartPoint(startPoint)
      const endPoint = {
        x: targetAnchor.x,
        y: targetAnchor.y,
      }

      this.updateEndPoint(endPoint)
    }

    // 这里需要将原有的pointsList设置为空，才能触发bezier的自动计算control点。
    this.pointsList = []
    this.initPoints()
  }
  setAttributes(): void {
    super.setAttributes()
    this.isHitable = true