focalboard/webapp/src/components/boardColumn.tsx
2020-11-12 17:24:24 -08:00

57 lines
1.6 KiB
TypeScript

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
import React from 'react'
type Props = {
onDrop: (e: React.DragEvent<HTMLDivElement>) => void
isDropZone: boolean
}
type State = {
isDragOver: boolean
}
class BoardColumn extends React.PureComponent<Props, State> {
state = {
isDragOver: false,
}
render(): JSX.Element {
let className = 'octo-board-column'
if (this.props.isDropZone && this.state.isDragOver) {
className += ' dragover'
}
const element = (
<div
className={className}
onDragOver={(e) => {
e.preventDefault()
if (!this.state.isDragOver) {
this.setState({isDragOver: true})
}
}}
onDragEnter={(e) => {
e.preventDefault()
if (!this.state.isDragOver) {
this.setState({isDragOver: true})
}
}}
onDragLeave={(e) => {
e.preventDefault()
this.setState({isDragOver: false})
}}
onDrop={(e) => {
this.setState({isDragOver: false})
if (this.props.isDropZone) {
this.props.onDrop(e)
}
}}
>
{this.props.children}
</div>)
return element
}
}
export {BoardColumn}