feat(dialog): add sizeDraggable to props #3875
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| Original file line number | Diff line number | Diff line change | ||||
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| import React from "react"; | ||||||
| import useMouseEvent from "../../hooks/useMouseEvent"; | ||||||
| import { DialogSizeDragLimit } from "../type"; | ||||||
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| const RESIZE_BORDER_WIDTH = 8; // 边框宽度，拖拽时的感应区域 | ||||||
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| interface DialogResizeProps { | ||||||
| dialogCardRef: React.MutableRefObject<HTMLDivElement | null>; | ||||||
| sizeDraggableProps: boolean | DialogSizeDragLimit; | ||||||
| onDragResizeChange: (resizing: boolean) => void; | ||||||
| } | ||||||
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| type ResizeDirection = 'n' | 's' | 'e' | 'w' | 'ne' | 'nw' | 'se' | 'sw' | false; | ||||||
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| function mouseOnBorder( | ||||||
| e: React.MouseEvent, | ||||||
| dialogCardRef: React.MutableRefObject<HTMLDivElement | null> | ||||||
| ): ResizeDirection { | ||||||
| const mouseX = e.clientX; | ||||||
| const mouseY = e.clientY; | ||||||
| const { left, top, width, height } = dialogCardRef.current.getBoundingClientRect(); | ||||||
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| const borderWidth = RESIZE_BORDER_WIDTH; | ||||||
| const onLeftBorder = mouseX >= left - borderWidth && mouseX <= left + borderWidth; | ||||||
| const onRightBorder = mouseX >= left + width - borderWidth && mouseX <= left + width + borderWidth; | ||||||
| const onTopBorder = mouseY >= top - borderWidth && mouseY <= top + borderWidth; | ||||||
| const onBottomBorder = mouseY >= top + height - borderWidth && mouseY <= top + height + borderWidth; | ||||||
| if (onLeftBorder && onTopBorder) | ||||||
| return 'nw'; | ||||||
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| if (onRightBorder && onBottomBorder) | ||||||
| return 'se'; | ||||||
| if (onRightBorder && onTopBorder) | ||||||
| return 'ne'; | ||||||
| if (onLeftBorder && onBottomBorder) | ||||||
| return 'sw'; | ||||||
| if (onLeftBorder) | ||||||
| return 'w'; | ||||||
| if (onRightBorder) | ||||||
| return 'e'; | ||||||
| if (onTopBorder) | ||||||
| return 'n'; | ||||||
| if (onBottomBorder) | ||||||
| return 's'; | ||||||
| return false; | ||||||
| } | ||||||
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| const useDialogResize = (props: DialogResizeProps) => { | ||||||
| const { dialogCardRef, sizeDraggableProps } = props; | ||||||
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| const validWindow = typeof window === 'object'; | ||||||
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| const getWindowHeight = () => (validWindow ? window.innerHeight || document.documentElement.clientHeight : undefined); | ||||||
| const getWindowWidth = () => (validWindow ? window.innerWidth || document.documentElement.clientWidth : undefined); | ||||||
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| const dialogSize = React.useRef({ x: 0, y: 0, width: 0, height: 0 }); | ||||||
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| const resizingDirection = React.useRef<ResizeDirection>(false); | ||||||
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| const minWidth = React.useRef(0); | ||||||
| const maxWidth = React.useRef(Number.MAX_VALUE); | ||||||
| const minHeight = React.useRef<number|undefined>(undefined); // If undefined, set to current height on first drag (lower than which causes buttons overflow). | ||||||
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| const maxHeight = React.useRef(Number.MAX_VALUE); | ||||||
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| React.useEffect(() => { | ||||||
| if (sizeDraggableProps === undefined || typeof sizeDraggableProps === 'boolean') { | ||||||
| minWidth.current = undefined; | ||||||
| maxWidth.current = Number.MAX_VALUE; | ||||||
| minHeight.current = 0; | ||||||
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There was a problem hiding this comment. Inconsistent handling of undefined values. Line 72 sets
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| maxHeight.current = Number.MAX_VALUE; | ||||||
| return; | ||||||
| } | ||||||
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| if (sizeDraggableProps.maxHeight !== undefined) { | ||||||
| maxHeight.current = sizeDraggableProps.maxHeight; | ||||||
| } | ||||||
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| if (sizeDraggableProps.minHeight !== undefined) { | ||||||
| minHeight.current = sizeDraggableProps.minHeight; | ||||||
| } | ||||||
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| if (sizeDraggableProps.maxWidth !== undefined) { | ||||||
| maxWidth.current = sizeDraggableProps.maxWidth; | ||||||
| } | ||||||
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| if (sizeDraggableProps.minWidth !== undefined) { | ||||||
| minWidth.current = sizeDraggableProps.minWidth; | ||||||
| } | ||||||
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| }, [sizeDraggableProps]); | ||||||
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| useMouseEvent(dialogCardRef, { | ||||||
| enabled: sizeDraggableProps !== undefined && sizeDraggableProps !== false, | ||||||
| alwaysEmitOnMove: sizeDraggableProps !== undefined && sizeDraggableProps !== false, | ||||||
| onDown: (e: React.MouseEvent) => { | ||||||
| if (minHeight.current === undefined && dialogCardRef.current) { | ||||||
| minHeight.current = dialogCardRef.current.offsetHeight; | ||||||
| } | ||||||
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| resizingDirection.current = mouseOnBorder(e, dialogCardRef); | ||||||
| if (resizingDirection.current !== false) { | ||||||
| dialogSize.current = { | ||||||
| x: dialogCardRef.current.offsetLeft, | ||||||
| y: dialogCardRef.current.offsetTop, | ||||||
| width: dialogCardRef.current.offsetWidth, | ||||||
| height: dialogCardRef.current.offsetHeight, | ||||||
| }; | ||||||
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| props.onDragResizeChange(true); | ||||||
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| e.stopPropagation(); | ||||||
| e.preventDefault(); | ||||||
| } | ||||||
| }, | ||||||
| onMove: (e: React.MouseEvent) => { | ||||||
| // Check whether we should update cursor style. | ||||||
| const direction = mouseOnBorder(e, dialogCardRef); | ||||||
| if (direction) { | ||||||
| let cursor = ''; | ||||||
| if (direction === 'n' || direction === 's') | ||||||
| cursor = `${direction}-resize`; | ||||||
| else if (direction === 'e' || direction === 'w') | ||||||
| cursor = `${direction}-resize`; | ||||||
| else if (direction === 'ne' || direction === 'sw') | ||||||
| cursor = 'nesw-resize'; | ||||||
| else if (direction === 'nw' || direction === 'se') | ||||||
| cursor = 'nwse-resize'; | ||||||
| dialogCardRef.current.style.cursor = cursor; | ||||||
| } else if (resizingDirection.current === false) | ||||||
| dialogCardRef.current.style.cursor = 'default'; | ||||||
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| if (resizingDirection.current === false) | ||||||
| return; | ||||||
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| // Do resize. | ||||||
| const dir = resizingDirection.current; | ||||||
| const {style} = dialogCardRef.current; | ||||||
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| style.position = 'absolute'; | ||||||
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| const mouseX = e.clientX; | ||||||
| const mouseY = e.clientY; | ||||||
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| if (mouseX <= 4 || mouseY <= 4 || mouseX >= getWindowWidth() - 4 || mouseY >= getWindowHeight() - 4) { | ||||||
| return; // Just ignore. | ||||||
| } | ||||||
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| let nextHeight = dialogCardRef.current.offsetHeight; | ||||||
| let nextWidth = dialogCardRef.current.offsetWidth; | ||||||
| let nextTop = dialogCardRef.current.offsetTop; | ||||||
| let nextLeft = dialogCardRef.current.offsetLeft; | ||||||
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| if (dir.includes('n')) { // upper | ||||||
| const deltaY = mouseY - dialogSize.current.y; | ||||||
| nextHeight = dialogSize.current.height - deltaY; | ||||||
| nextTop = dialogSize.current.y + deltaY; | ||||||
| } | ||||||
| else if (dir.includes('s')) { // lower | ||||||
| const deltaY = mouseY - dialogSize.current.y - dialogSize.current.height; | ||||||
| nextHeight = dialogSize.current.height + deltaY; | ||||||
| } | ||||||
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| if (dir.includes('w')) { // left | ||||||
| const deltaX = mouseX - dialogSize.current.x; | ||||||
| nextWidth = dialogSize.current.width - deltaX; | ||||||
| nextLeft = dialogSize.current.x + deltaX; | ||||||
| } | ||||||
| else if (dir.includes('e')) { // right | ||||||
| const deltaX = mouseX - dialogSize.current.x - dialogSize.current.width; | ||||||
| nextWidth = dialogSize.current.width + deltaX; | ||||||
| } | ||||||
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| style.left = `${nextLeft}px`; | ||||||
| style.width = `${nextWidth}px`; | ||||||
| dialogSize.current.x = nextLeft; | ||||||
| dialogSize.current.width = nextWidth; | ||||||
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| if (nextHeight >= minHeight.current) { | ||||||
| style.top = `${nextTop}px`; | ||||||
| style.height = `${nextHeight}px`; | ||||||
| dialogSize.current.y = nextTop; | ||||||
| dialogSize.current.height = nextHeight; | ||||||
| } | ||||||
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| e.stopPropagation(); | ||||||
| e.preventDefault(); | ||||||
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| }, | ||||||
| onUp: (e: React.MouseEvent) => { | ||||||
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| if (resizingDirection.current === false) | ||||||
| return; | ||||||
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| resizingDirection.current = false; | ||||||
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| // prevent triggering overlay click. | ||||||
| setTimeout(() => { | ||||||
| props.onDragResizeChange(false); | ||||||
| }, 0); | ||||||
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| e.stopPropagation(); | ||||||
| e.preventDefault(); | ||||||
| }, | ||||||
| }); | ||||||
| }; | ||||||
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| export default useDialogResize; | ||||||
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