bc518174
 王天杨
提交两个项目文件
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
import type { DropTarget } from 'dnd-core'
import type { DropTargetMonitor } from '../../types/index.js'
import type { DropTargetHookSpec } from '../types.js'
export class DropTargetImpl<O, R, P> implements DropTarget {
public constructor(
public spec: DropTargetHookSpec<O, R, P>,
private monitor: DropTargetMonitor<O, R>,
) {}
public canDrop() {
const spec = this.spec
const monitor = this.monitor
return spec.canDrop ? spec.canDrop(monitor.getItem(), monitor) : true
}
public hover() {
const spec = this.spec
const monitor = this.monitor
if (spec.hover) {
spec.hover(monitor.getItem(), monitor)
}
}
public drop() {
const spec = this.spec
const monitor = this.monitor
if (spec.drop) {
return spec.drop(monitor.getItem(), monitor)
}
return
}
}
|
