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import * as React from "react"; |
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|
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export interface PopoverProps { |
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children: React.ReactNode; |
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open?: boolean; |
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onOpenChange?: (open: boolean) => void; |
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} |
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|
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const PopoverContext = React.createContext<{ |
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open: boolean; |
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setOpen: (open: boolean) => void; |
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triggerRef: React.MutableRefObject<HTMLElement | null>; |
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}>({ |
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open: false, |
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setOpen: () => {}, |
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triggerRef: { current: null }, |
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}); |
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|
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export const Popover: React.FC<PopoverProps> = ({ |
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children, |
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open: controlledOpen, |
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onOpenChange, |
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}) => { |
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const [internalOpen, setInternalOpen] = React.useState(false); |
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const triggerRef = React.useRef<HTMLElement | null>(null); |
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const open = controlledOpen !== undefined ? controlledOpen : internalOpen; |
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const setOpen = React.useCallback( |
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(newOpen: boolean) => { |
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if (controlledOpen === undefined) { |
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setInternalOpen(newOpen); |
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} |
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onOpenChange?.(newOpen); |
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}, |
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[controlledOpen, onOpenChange], |
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); |
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|
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return ( |
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<PopoverContext.Provider value={{ open, setOpen, triggerRef }}> |
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<div className="relative">{children}</div> |
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</PopoverContext.Provider> |
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); |
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}; |
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|
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export const PopoverTrigger: React.FC<{ |
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children: React.ReactNode; |
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asChild?: boolean; |
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}> = ({ children, asChild }) => { |
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const { open, setOpen, triggerRef } = React.useContext(PopoverContext); |
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|
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if (asChild && React.isValidElement(children)) { |
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return React.cloneElement(children, { |
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ref: (node: HTMLElement) => { |
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triggerRef.current = node; |
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if (typeof (children as any).ref === "function") { |
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(children as any).ref(node); |
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} |
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}, |
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onClick: () => setOpen(!open), |
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} as any); |
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} |
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|
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return ( |
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<div |
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ref={(node) => { |
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triggerRef.current = node; |
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}} |
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onClick={() => setOpen(!open)} |
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className="cursor-pointer" |
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> |
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{children} |
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</div> |
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); |
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}; |
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|
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export const PopoverContent: React.FC<{ |
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children: React.ReactNode; |
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className?: string; |
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align?: "start" | "center" | "end"; |
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side?: "top" | "bottom" | "left" | "right"; |
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}> = ({ children, className = "", align = "start", side = "bottom" }) => { |
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const { open, setOpen, triggerRef } = React.useContext(PopoverContext); |
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const contentRef = React.useRef<HTMLDivElement>(null); |
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const [position, setPosition] = React.useState<{ |
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top: number; |
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left: number; |
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} | null>(null); |
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|
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// Calculate position |
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React.useEffect(() => { |
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if (!open || !triggerRef.current) { |
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setPosition(null); |
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return; |
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} |
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|
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const calculatePosition = () => { |
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if (!triggerRef.current) return; |
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|
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const triggerRect = triggerRef.current.getBoundingClientRect(); |
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const viewportWidth = window.innerWidth; |
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const viewportHeight = window.innerHeight; |
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const scrollX = window.scrollX; |
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const scrollY = window.scrollY; |
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|
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// Use estimated dimensions if content not yet rendered |
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const estimatedWidth = 320; // w-80 = 320px |
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const estimatedHeight = 300; // Estimated height |
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|
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let top = 0; |
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let left = 0; |
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|
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// Calculate position based on side |
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if (side === "bottom") { |
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top = triggerRect.bottom + scrollY + 8; |
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if (top + estimatedHeight > scrollY + viewportHeight) { |
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// Flip to top if not enough space below |
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top = triggerRect.top + scrollY - estimatedHeight - 8; |
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} |
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} else if (side === "top") { |
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top = triggerRect.top + scrollY - estimatedHeight - 8; |
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if (top < scrollY) { |
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// Flip to bottom if not enough space above |
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top = triggerRect.bottom + scrollY + 8; |
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} |
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} else if (side === "right") { |
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top = triggerRect.top + scrollY; |
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left = triggerRect.right + scrollX + 8; |
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if (left + estimatedWidth > scrollX + viewportWidth) { |
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// Flip to left if not enough space on right |
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left = triggerRect.left + scrollX - estimatedWidth - 8; |
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} |
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} else if (side === "left") { |
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top = triggerRect.top + scrollY; |
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left = triggerRect.left + scrollX - estimatedWidth - 8; |
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if (left < scrollX) { |
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// Flip to right if not enough space on left |
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left = triggerRect.right + scrollX + 8; |
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} |
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} |
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|
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// Adjust horizontal alignment |
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if (side === "top" || side === "bottom") { |
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if (align === "start") { |
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left = triggerRect.left + scrollX; |
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} else if (align === "center") { |
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left = |
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triggerRect.left + |
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scrollX + |
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triggerRect.width / 2 - |
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estimatedWidth / 2; |
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} else if (align === "end") { |
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left = triggerRect.right + scrollX - estimatedWidth; |
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} |
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|
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// Ensure popover doesn't go off-screen horizontally |
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if (left < scrollX) { |
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left = scrollX + 8; |
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} else if (left + estimatedWidth > scrollX + viewportWidth) { |
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left = scrollX + viewportWidth - estimatedWidth - 8; |
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} |
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} |
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|
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// Ensure popover doesn't go off-screen vertically |
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if (top < scrollY) { |
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top = scrollY + 8; |
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} else if (top + estimatedHeight > scrollY + viewportHeight) { |
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top = scrollY + viewportHeight - estimatedHeight - 8; |
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} |
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|
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setPosition({ top, left }); |
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|
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// Refine position after content is rendered |
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requestAnimationFrame(() => { |
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if (!contentRef.current || !triggerRef.current) return; |
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|
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const contentRect = contentRef.current.getBoundingClientRect(); |
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const currentTop = top; |
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const currentLeft = left; |
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|
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let refinedTop = currentTop; |
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let refinedLeft = currentLeft; |
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|
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// Refine vertical position |
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if (refinedTop + contentRect.height > scrollY + viewportHeight) { |
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refinedTop = scrollY + viewportHeight - contentRect.height - 8; |
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} |
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if (refinedTop < scrollY) { |
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refinedTop = scrollY + 8; |
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} |
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|
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// Refine horizontal position |
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if (refinedLeft + contentRect.width > scrollX + viewportWidth) { |
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refinedLeft = scrollX + viewportWidth - contentRect.width - 8; |
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} |
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if (refinedLeft < scrollX) { |
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refinedLeft = scrollX + 8; |
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} |
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|
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// Only update if position changed |
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if (refinedTop !== currentTop || refinedLeft !== currentLeft) { |
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setPosition({ top: refinedTop, left: refinedLeft }); |
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} |
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}); |
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}; |
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|
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// Calculate position immediately |
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calculatePosition(); |
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|
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const handleResize = () => calculatePosition(); |
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const handleScroll = () => calculatePosition(); |
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|
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window.addEventListener("resize", handleResize); |
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window.addEventListener("scroll", handleScroll, true); |
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|
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return () => { |
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window.removeEventListener("resize", handleResize); |
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window.removeEventListener("scroll", handleScroll, true); |
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}; |
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}, [open, align, side]); |
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|
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React.useEffect(() => { |
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if (!open) return; |
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|
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const handleClickOutside = (event: MouseEvent) => { |
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if ( |
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contentRef.current && |
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!contentRef.current.contains(event.target as Node) |
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) { |
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// Check if click is on trigger |
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if ( |
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triggerRef.current && |
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triggerRef.current.contains(event.target as Node) |
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) { |
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return; |
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} |
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setOpen(false); |
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} |
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}; |
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|
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document.addEventListener("mousedown", handleClickOutside); |
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return () => document.removeEventListener("mousedown", handleClickOutside); |
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}, [open, setOpen]); |
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|
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if (!open) return null; |
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|
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// Show with initial position, refine after render |
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const initialPosition = position || { top: 0, left: 0 }; |
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|
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return ( |
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<div |
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ref={contentRef} |
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className={`fixed z-[9999] w-72 rounded-md border border-gray-200 bg-white p-4 shadow-lg dark:border-gray-700 dark:bg-gray-800 ${className}`} |
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style={{ |
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top: `${initialPosition.top}px`, |
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left: `${initialPosition.left}px`, |
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visibility: position ? "visible" : "hidden", |
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}} |
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> |
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{children} |
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</div> |
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); |
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}; |
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|
