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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| import { ViewContainer } from './viewContainer'; | ||
| import * as React from 'react'; | ||
| import { toggleClass } from '../dom'; | ||
|
|
||
| export const Container = (props: { | ||
| container: ViewContainer; | ||
| isActive: boolean; | ||
| onDragOver: (e: React.DragEvent) => void; | ||
| onDrop: (e: React.DragEvent, direction: 'top' | 'bottom') => void; | ||
| onClick: (e: React.MouseEvent) => void; | ||
| }) => { | ||
| const ref = React.useRef<HTMLDivElement>(null); | ||
| const [selection, setSelection] = React.useState< | ||
| 'top' | 'bottom' | undefined | ||
| >(undefined); | ||
| const isDragging = React.useRef<boolean>(false); | ||
|
|
||
| const [dragEntered, setDragEntered] = React.useState<boolean>(false); | ||
|
|
||
| const onDragOver = (e: React.DragEvent) => { | ||
| if (isDragging.current) { | ||
| return; | ||
| } | ||
|
|
||
| setDragEntered(true); | ||
|
|
||
| e.preventDefault(); | ||
|
|
||
| const target = e.target as HTMLDivElement; | ||
|
|
||
| const width = target.clientWidth; | ||
| const height = target.clientHeight; | ||
|
|
||
| if (width === 0 || height === 0) { | ||
| return; // avoid div!0 | ||
| } | ||
|
|
||
| const x = e.nativeEvent.offsetX; | ||
| const y = e.nativeEvent.offsetY; | ||
| const xp = (100 * x) / width; | ||
| const yp = (100 * y) / height; | ||
|
|
||
| const isTop = yp < 50; | ||
| const isBottom = yp >= 50; | ||
|
|
||
| setSelection(isTop ? 'top' : 'bottom'); | ||
|
|
||
| props.onDragOver(e); | ||
| }; | ||
|
|
||
| const onDragLeave = (e: React.DragEvent) => { | ||
| if (isDragging.current) { | ||
| return; | ||
| } | ||
|
|
||
| setDragEntered(false); | ||
|
|
||
| setSelection(undefined); | ||
| }; | ||
|
|
||
| const onDrop = (e: React.DragEvent) => { | ||
| if (isDragging.current) { | ||
| return; | ||
| } | ||
|
|
||
| setDragEntered(false); | ||
|
|
||
| props.onDrop(e, selection); | ||
|
|
||
| setSelection(undefined); | ||
| }; | ||
|
|
||
| const onDragEnter = (e: React.DragEvent) => { | ||
| e.preventDefault(); | ||
| }; | ||
|
|
||
| const onDragStart = (e: React.DragEvent) => { | ||
| isDragging.current = true; | ||
|
|
||
| e.dataTransfer.setData( | ||
| 'application/json', | ||
| JSON.stringify({ container: props.container.id }) | ||
| ); | ||
| }; | ||
|
|
||
| const onDragEnd = (e: React.DragEvent) => { | ||
| isDragging.current = false; | ||
|
|
||
| setDragEntered(false); | ||
| }; | ||
|
|
||
| return ( | ||
| <div | ||
| ref={ref} | ||
| draggable={true} | ||
| onClick={props.onClick} | ||
| onDragOver={onDragOver} | ||
| onDragEnter={onDragEnter} | ||
| onDragStart={onDragStart} | ||
| onDragLeave={onDragLeave} | ||
| onDragEnd={onDragEnd} | ||
| onDrop={onDrop} | ||
| style={{ | ||
| borderLeft: props.isActive | ||
| ? '1px solid white' | ||
| : '1px solid transparent', | ||
| }} | ||
| className="container-item" | ||
| > | ||
| {dragEntered && ( | ||
| <div | ||
| style={{ | ||
| position: 'absolute', | ||
| top: '0px', | ||
| left: '0px', | ||
| height: '100%', | ||
| width: '100%', | ||
| backgroundColor: 'transparent', | ||
| boxSizing: 'border-box', | ||
| borderTop: selection === 'top' ? '2px solid white' : '', | ||
| borderBottom: | ||
| selection === 'bottom' ? '2px solid white' : '', | ||
| pointerEvents: 'none', | ||
| }} | ||
| /> | ||
| )} | ||
| <span | ||
| style={{ fontSize: '30px' }} | ||
| className="material-icons-outlined" | ||
| > | ||
| {props.container.icon} | ||
| </span> | ||
| </div> | ||
| ); | ||
| }; |
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