Prototyp fur die Navigationsleiste

Kleine anpassuungen Handy Ansicht
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2025-12-14 17:27:12 +01:00
parent 6e7eec9d66
commit 76791391d8
297 changed files with 29532 additions and 1 deletions

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"use client";
import React, { useState, useEffect, useRef } from 'react';
import './HandyAnsicht.css';
interface HandyAnsichtProps {
children?: React.ReactNode;
}
type GooeyNavItem = {
label: string;
href: string;
type?: 'link' | 'logo' | 'menu';
icon?: string;
};
import { Menu, X } from 'lucide-react';
interface GooeyNavProps {
items: GooeyNavItem[];
animationTime?: number;
particleCount?: number;
particleDistances?: [number, number];
particleR?: number;
timeVariance?: number;
colors?: number[];
initialActiveIndex?: number;
}
const GooeyNav: React.FC<GooeyNavProps> = ({
items,
animationTime = 600,
particleCount = 15,
particleDistances = [90, 10],
particleR = 100,
timeVariance = 300,
colors = [1, 2, 3, 1, 2, 3, 1, 4],
initialActiveIndex = 0,
}) => {
const containerRef = useRef<HTMLDivElement | null>(null);
const navRef = useRef<HTMLUListElement | null>(null);
const filterRef = useRef<HTMLSpanElement | null>(null);
const textRef = useRef<HTMLSpanElement | null>(null);
const [activeIndex, setActiveIndex] = useState(initialActiveIndex);
const [isMenuOpen, setIsMenuOpen] = useState(false);
const noise = (n = 1) => n / 2 - Math.random() * n;
const getXY = (distance: number, pointIndex: number, totalPoints: number) => {
const angle = ((360 + noise(8)) / totalPoints) * pointIndex * (Math.PI / 180);
return [distance * Math.cos(angle), distance * Math.sin(angle)];
};
const createParticle = (i: number, t: number, d: [number, number], r: number) => {
const rotate = noise(r / 10);
return {
start: getXY(d[0], particleCount - i, particleCount),
end: getXY(d[1] + noise(7), particleCount - i, particleCount),
time: t,
scale: 1 + noise(0.2),
color: colors[Math.floor(Math.random() * colors.length)],
rotate: rotate > 0 ? (rotate + r / 20) * 10 : (rotate - r / 20) * 10,
};
};
const makeParticles = (element: HTMLElement) => {
const d = particleDistances;
const r = particleR;
const bubbleTime = animationTime * 2 + timeVariance;
element.style.setProperty('--time', `${bubbleTime}ms`);
for (let i = 0; i < particleCount; i += 1) {
const t = animationTime * 2 + noise(timeVariance * 2);
const p = createParticle(i, t, d, r);
element.classList.remove('active');
setTimeout(() => {
const particle = document.createElement('span');
const point = document.createElement('span');
particle.classList.add('particle');
particle.style.setProperty('--start-x', `${p.start[0]}px`);
particle.style.setProperty('--start-y', `${p.start[1]}px`);
particle.style.setProperty('--end-x', `${p.end[0]}px`);
particle.style.setProperty('--end-y', `${p.end[1]}px`);
particle.style.setProperty('--time', `${p.time}ms`);
particle.style.setProperty('--scale', `${p.scale}`);
particle.style.setProperty('--color', `var(--color-${p.color}, white)`);
particle.style.setProperty('--rotate', `${p.rotate}deg`);
point.classList.add('point');
particle.appendChild(point);
element.appendChild(particle);
requestAnimationFrame(() => element.classList.add('active'));
setTimeout(() => {
try {
element.removeChild(particle);
} catch {
/* ignore removal errors */
}
}, t);
}, 30);
}
};
const updateEffectPosition = (element: HTMLLIElement) => {
if (!containerRef.current || !filterRef.current || !textRef.current) return;
const containerRect = containerRef.current.getBoundingClientRect();
const pos = element.getBoundingClientRect();
const styles: Partial<CSSStyleDeclaration> = {
left: `${pos.x - containerRect.x}px`,
top: `${pos.y - containerRect.y}px`,
width: `${pos.width}px`,
height: `${pos.height}px`,
};
Object.assign(filterRef.current.style, styles);
Object.assign(textRef.current.style, styles);
// Nur Text kopieren wenn es kein Logo und kein Menü-Button ist
if (!element.classList.contains('nav-item-logo') && !element.classList.contains('nav-item-menu')) {
textRef.current.innerText = element.innerText;
} else {
textRef.current.innerText = '';
}
};
const handleClick = (e: React.MouseEvent<HTMLAnchorElement>, index: number, item: GooeyNavItem) => {
e.preventDefault();
if (item.type === 'logo') {
window.scrollTo({ top: 0, behavior: 'smooth' });
setIsMenuOpen(false);
return;
}
if (item.type === 'menu') {
setIsMenuOpen(!isMenuOpen);
return;
}
const liEl = e.currentTarget.parentElement as HTMLLIElement | null;
if (!liEl || activeIndex === index) return;
// Normal navigation
window.location.href = item.href;
setIsMenuOpen(false); // Menü schließen nach Klick
setActiveIndex(index);
updateEffectPosition(liEl);
if (filterRef.current) {
const particles = filterRef.current.querySelectorAll('.particle');
particles.forEach((p) => filterRef.current?.removeChild(p));
}
if (textRef.current) {
textRef.current.classList.remove('active');
void textRef.current.offsetWidth; // force reflow
textRef.current.classList.add('active');
}
if (filterRef.current) {
makeParticles(filterRef.current);
}
};
const handleKeyDown = (e: React.KeyboardEvent<HTMLAnchorElement>, index: number, item: GooeyNavItem) => {
if (e.key === 'Enter' || e.key === ' ') {
e.preventDefault();
const liEl = e.currentTarget.parentElement as HTMLLIElement | null;
if (liEl) {
handleClick({ currentTarget: e.currentTarget, preventDefault: () => {} } as React.MouseEvent<HTMLAnchorElement>, index, item);
}
}
};
useEffect(() => {
if (!navRef.current || !containerRef.current) return;
const activeLi = navRef.current.querySelectorAll('li')[activeIndex] as HTMLLIElement | undefined;
if (activeLi && !activeLi.classList.contains('nav-item-logo') && !activeLi.classList.contains('nav-item-menu')) {
updateEffectPosition(activeLi);
textRef.current?.classList.add('active');
}
const resizeObserver = new ResizeObserver(() => {
const currentActiveLi = navRef.current?.querySelectorAll('li')[activeIndex] as HTMLLIElement | undefined;
if (currentActiveLi && !currentActiveLi.classList.contains('nav-item-logo') && !currentActiveLi.classList.contains('nav-item-menu')) {
updateEffectPosition(currentActiveLi);
}
});
resizeObserver.observe(containerRef.current);
return () => resizeObserver.disconnect();
}, [activeIndex]);
// Modifizierte Items für die Anzeige (Logo + Menu Button im geschlossenen Zustand)
const displayItems = isMenuOpen
? items // Zeige alle Items wenn offen (muss im CSS geregelt werden, dass sie untereinander oder anders dargestellt werden)
: [items.find(i => i.type === 'logo')!, { label: 'Menu', href: '#', type: 'menu' } as GooeyNavItem];
return (
<div className={`gooey-nav-container ${items.length > 4 ? 'has-contact' : ''} ${isMenuOpen ? 'menu-open' : ''}`} ref={containerRef}>
<nav>
<ul ref={navRef}>
{/* Logo immer anzeigen */}
{items.filter(i => i.type === 'logo').map((item, index) => (
<li
key={item.href}
className={`nav-item-logo`}
>
<a
href={item.href}
onClick={(e) => handleClick(e, -1, item)}
aria-label={item.label}
>
<img src={item.icon} alt={item.label} className="nav-logo-img" />
</a>
</li>
))}
{/* Menü Button (Hamburger) */}
<li className="nav-item-menu" style={{ marginLeft: 'auto', cursor: 'pointer' }}>
<a
href="#"
onClick={(e) => handleClick(e, -1, { label: 'Menu', href: '#', type: 'menu' })}
style={{ width: '100%', height: '100%', display: 'flex', alignItems: 'center', justifyContent: 'center' }}
>
{isMenuOpen ? <X size={24} color="white" /> : <Menu size={24} color="white" />}
</a>
</li>
</ul>
</nav>
{/* Dropdown / Expanded Menu Items - Außerhalb von nav, damit position: fixed relativ zum Viewport ist */}
<div className={`mobile-menu-items ${isMenuOpen ? 'open' : ''}`}>
<ul>
{items.filter(i => i.type !== 'logo' && i.type !== 'menu').map((item, index) => (
<li key={item.href} onClick={() => {
window.location.href = item.href;
setIsMenuOpen(false);
}}>
<span>{item.label}</span>
</li>
))}
</ul>
</div>
{/* Effect nur für Inline-Items, hier deaktiviert da wir auf Overlay umstellen */}
{/* <span className="effect filter" ref={filterRef} />
<span className="effect text" ref={textRef} /> */}
</div>
);
};
const allGooeyItems: GooeyNavItem[] = [
{ label: 'Home', href: '#', type: 'logo', icon: '/WebKlarLogo.png' },
{ label: 'Über uns', href: '#about' },
{ label: 'Leistungen', href: '#services' },
{ label: 'Abläufe', href: '#process' },
{ label: 'Kontakt', href: '#contact' },
];
const HandyAnsicht: React.FC<HandyAnsichtProps> = ({ children }) => {
const [isMobile, setIsMobile] = useState(false);
const [isClient, setIsClient] = useState(false);
useEffect(() => {
setIsClient(true);
const checkMobile = () => {
setIsMobile(window.innerWidth < 768);
};
checkMobile();
window.addEventListener('resize', checkMobile);
const mediaQuery = window.matchMedia('(max-width: 767px)');
const handleMediaChange = (e: MediaQueryListEvent | MediaQueryList) => {
setIsMobile(e.matches);
};
if (mediaQuery.addEventListener) {
mediaQuery.addEventListener('change', handleMediaChange);
} else {
mediaQuery.addListener(handleMediaChange);
}
handleMediaChange(mediaQuery);
return () => {
window.removeEventListener('resize', checkMobile);
if (mediaQuery.removeEventListener) {
mediaQuery.removeEventListener('change', handleMediaChange);
} else {
mediaQuery.removeListener(handleMediaChange);
}
};
}, []);
// Immer alle Items anzeigen, Kontakt ist sofort da
const currentItems = allGooeyItems;
if (!isClient || !isMobile) {
return <>{children}</>;
}
return (
<div className="handy-ansicht">
<div className="handy-ansicht__container">
<div className="handy-ansicht__nav-wrapper">
<GooeyNav items={currentItems} />
</div>
<div className="handy-ansicht__content">
{children}
</div>
</div>
</div>
);
};
export default HandyAnsicht;