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@ones-design/dnd
Advanced tools
import { Meta } from '@storybook/blocks'
import treeStories from './dnd-tree.stories'
直接从 @dnd/core
中导出
import { DndContext } from '@dnd/core'
export { ONESDndContext }
树形结构拖拽上下文,包含拖拽指示线以及拖拽事件的处理,必须在 ONESDndContext
中使用
dropPosition
activeData
、initialActiveNodeRect
、initialCoordinates
等参数(虚拟滚动支持)@dnd/core
在虚拟滚动时会丢失数据,需要做额外保存(TODO:这个逻辑应该是公共逻辑,现在暂时放在 TreeDndContext 中处理了)<ONESDndContext draggable={isDraggable}>
<TreeDndContext<DndNodeItem> // Drag Event
onDragStart={onNodeDragStart}
onDragEnd={onNodeDragEnd}
onDragEnter={onNodeDragEnter}
onDragLeave={onNodeDragLeave}
onDragOver={onNodeDragOver}
onDrop={onNodeDrop}
>
{children}
</TreeDndContext>
</ONESDndContext>
// T 就是 useDndItem 中传入的 data 类型
export interface DragEventInfo<T = AnyData, N extends string = ''> {
name: N
key: React.Key
node: T
dragNode: T
active: Active
nativeEvent: Event
}
创建一个拖拽/放置元素,必须在 ONESDndContext
中使用
参数:
DragOverlay
、影响事件回调参数等返回值:
const { setNodeRef, isDragging, isOver, listeners, attributes } = useDndItem({
id: nodeKey,
data: {
key: nodeKey,
content,
// ...any data
},
})
return (
<div className="dnd-item" ref={setNodeRef} {...listeners} {...attributes}></div>
)
可以获取到目前的拖拽上下文
export function useTreeDndContext() {
const dndKitContext = useDndContext()
const TreeDndContext = React.useContext(Context)
return {
...dndKitContext,
...TreeDndContext,
}
}
@ones-design/dnd
内置了一些拖拽修饰器,用于调整拖拽节点的位置
export declare type Modifier = (args: {
activatorEvent: Event | null
active: Active | null
activeNodeRect: ClientRect | null
draggingNodeRect: ClientRect | null
containerNodeRect: ClientRect | null
over: Over | null
overlayNodeRect: ClientRect | null
scrollableAncestors: Element[]
scrollableAncestorRects: ClientRect[]
transform: Transform
windowRect: ClientRect | null
}) => Transform
被拖拽元素跟随鼠标移动,目前应用在 @ones-design/tree
上
TODO::这个 modifier 实际和树拖拽没有绑定关系,只是现在的实现依赖 TreeContext,因为目前没有一个 BaseContext 来导出坐标等数据
const mouseFollowModifier = useMouseFollowModifier()
<DragOverlay modifires={[mouseFollowModifier]}/>
被拖拽元素只能在垂直方向移动,目前应用在 @ones-design/table
上
const verticalRestrictModifier = useVerticalRestrictModifier()
<DragOverlay modifires={[verticalRestrictModifier]}/>
FAQs
The npm package @ones-design/dnd receives a total of 99 weekly downloads. As such, @ones-design/dnd popularity was classified as not popular.
We found that @ones-design/dnd demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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