Function paste_node

ui/src/workflow/common/shortcut.ts:205–250

(e: ClipboardEvent)

  }

  const paste_node = async (e: ClipboardEvent) => {
    if (lf.graphModel.flowId !== activeCanvasId) {
      return true
    }
    if (!keyboardOptions?.enabled) return true
    if (graph.textEditElement) return true
    const text = e.clipboardData?.getData('text/plain') || ''
    const data = parseAndValidate(text)
    selected = resetData(data)
    const workflowMode = lf.graphModel.get_provide(null, null).workflowMode
    const menus = getMenuNodes(workflowMode)
    const nodes = menus?.flatMap((m: any) => m.list).map((n) => n.type)

    if (selected && (selected.nodes || selected.edges)) {
      if (!lastMouse.hasValue) {
        moveData(data, 40, 40)
      } else {
        // LogicFlow 文档里 getPointByClient 会把页面坐标转成画布坐标
        const point = lf.graphModel.getPointByClient({
          x: lastMouse.x,
          y: lastMouse.y,
        })
        const mouseCanvasX = point.canvasOverlayPosition.x
        const mouseCanvasY = point.canvasOverlayPosition.y

        const { minX, maxX, minY, maxY } = getBounds(selected.nodes)
        const centerX = (minX + maxX) / 2
        const centerY = (minY + maxY) / 2
        moveData(data, mouseCanvasX - centerX, mouseCanvasY - centerY)
      }

      selected.nodes = selected.nodes.filter(
        (n: any) => nodes?.includes(n.type) || workflowModelDict[workflowMode](n),
      )
      lf.clearSelectElements()
      const addElements = lf.addElements(selected, CHILDREN_TRANSLATION_DISTANCE)
      if (!addElements) return true
      addElements.nodes.forEach((node) => lf.selectElementById(node.id, true))
      addElements.edges.forEach((edge) => lf.selectElementById(edge.id, true))
      selected.nodes.forEach((node: any) => translationNodeData(node, TRANSLATION_DISTANCE))
      selected.edges.forEach((edge: any) => translationEdgeData(edge, TRANSLATION_DISTANCE))
      CHILDREN_TRANSLATION_DISTANCE = CHILDREN_TRANSLATION_DISTANCE + TRANSLATION_DISTANCE
    }
    selected = undefined
    return false
  }

  const parseAndValidate = (text: string) => {
    let data: any