Function SplitActionDefault

packages/plugins/table/src/components/action.tsx:150–292

({
  editor,
  table,
  left,
  top,
  height,
  width,
  index,
})

}
// split action
const SplitActionDefault: React.FC<TableActionProps> = ({
  editor,
  table,
  left,
  top,
  height,
  width,
  index,
}) => {
  if (height !== undefined) {
    height += 8
  }
  if (width !== undefined) {
    width += 8
  }
  // 宽/高度为3，所以得减1居中
  if (left !== undefined) {
    left -= 1
  }
  if (top !== undefined) {
    top -= 1
  }
  const type = left !== undefined ? TYPE_COL : TYPE_ROW

  const dragRef = React.useRef<TableDragSplitOptions | null>(null)
  const { minColWidth = defaultTableMinColWidth, minRowHeight = defaultTableMinRowHeight } =
    useTableOptions(editor)
  const [isHover, setHover] = React.useState(false)
  const isDrag = React.useRef(false)

  const handleDragSplitMove = React.useCallback(
    (e: MouseEvent) => {
      if (!dragRef.current) return
      const { type, x, y, start } = dragRef.current
      const path = Editable.findPath(editor, table)
      if (type === TYPE_COL) {
        const { colsWidth } = table
        if (!colsWidth) return
        const cX = e.clientX
        const val = cX - x
        const newColsWidth = colsWidth.concat()
        let width = newColsWidth[start] + val
        width = Math.max(width, minColWidth)
        if (start < newColsWidth.length - 1) {
          width = Math.min(newColsWidth[start] + newColsWidth[start + 1] - minColWidth, width)
          let nextW = newColsWidth[start + 1] - val
          nextW = Math.max(nextW, minColWidth)
          nextW = Math.min(newColsWidth[start] + newColsWidth[start + 1] - minColWidth, nextW)
          newColsWidth[start + 1] = nextW
        }
        newColsWidth[start] = width
        Transforms.setNodes<Grid>(editor, { colsWidth: newColsWidth }, { at: path })
      } else if (type === TYPE_ROW) {
        const row = table.children[start]
        const { height, children: cells } = row
        if (height) {
          const ch = RowStore.getContentHeight(row)
          const cY = e.clientY