MediaWiki:Common.js：修订间差异

2026年3月31日 (二) 15:54的版本

/* 这里的任何JavaScript将为所有用户在每次页面加载时加载。 */

/* USERNAME */
$( function() {
    if ( mw.user.isNamed() ) {
        $( '.insertusername' ).text( mw.user.getName() );
    } else {
        $( '.insertusername' ).text( '访客' );
    }
} );

/* INFOBOX */
$('.infobox').hide();

(function() {
    // 等待 jQuery 加载完成（MediaWiki 自带 jQuery）
    mw.loader.using('jquery', function() {
        $(function() {
            // 防止重复创建光标
            if (document.querySelector('.magnetic-pointer-original')) return;

            // 1. 创建光标元素
            const pointer = document.createElement('div');
            pointer.className = 'magnetic-pointer-original';
            pointer.innerHTML = '<div></div><div></div><div></div><div></div>';
            document.body.appendChild(pointer);

            // 2. 注入光标样式
            const style = document.createElement('style');
            style.textContent = `
                .magnetic-pointer-original {
                    --width: 4rem;
                    --height: 4rem;
                    position: fixed;
                    top: calc(var(--height) / -2);
                    left: calc(var(--width) / -2);
                    width: var(--width);
                    height: var(--height);
                    transition: all 0.2s ease-out;
                    pointer-events: none;
                    z-index: 99999;
                }
                .magnetic-pointer-original div {
                    position: absolute;
                    width: 1rem;
                    height: 1rem;
                    border-width: 0.3rem;
                    border-color: #17f700;
                }
                .magnetic-pointer-original div:nth-child(1) { top: 0; left: 0; border-top-style: solid; border-left-style: solid; }
                .magnetic-pointer-original div:nth-child(2) { top: 0; right: 0; border-top-style: solid; border-right-style: solid; }
                .magnetic-pointer-original div:nth-child(3) { bottom: 0; left: 0; border-bottom-style: solid; border-left-style: solid; }
                .magnetic-pointer-original div:nth-child(4) { bottom: 0; right: 0; border-bottom-style: solid; border-right-style: solid; }
            `;
            document.head.appendChild(style);

            let currentTarget = null;
            let currentX = 0, currentY = 0;

            // 鼠标移动：磁性跟随
            const onMouseMove = function(e) {
                let x = e.clientX;
                let y = e.clientY;
                if (currentTarget) {
                    const rect = currentTarget.getBoundingClientRect();
                    const centerX = rect.left + rect.width / 2;
                    const centerY = rect.top + rect.height / 2;
                    x = centerX + (x - centerX) * 0.1;
                    y = centerY + (y - centerY) * 0.1;
                }
                currentX = x;
                currentY = y;
                pointer.style.transform = `translate(${currentX}px, ${currentY}px)`;
            };

            // 鼠标进入目标：磁性吸附 + 放大
            const onMouseEnter = function(e) {
                currentTarget = e.currentTarget;
                const rect = currentTarget.getBoundingClientRect();
                pointer.style.setProperty('--width', rect.width + window.innerWidth / 50 + 'px');
                pointer.style.setProperty('--height', rect.height + window.innerWidth / 50 + 'px');
            };

            // 鼠标离开：恢复原状
            const onMouseLeave = function() {
                currentTarget = null;
                pointer.style.setProperty('--width', '4rem');
                pointer.style.setProperty('--height', '4rem');
            };

            // 绑定磁性目标 ._target
            const bindTargets = function() {
                document.querySelectorAll('._target').forEach(el => {
                    if (el._magneticBound) return;
                    el._magneticBound = true;
                    el.addEventListener('mouseenter', onMouseEnter);
                    el.addEventListener('mouseleave', onMouseLeave);
                });
            };

            // 全局监听鼠标移动
            window.addEventListener('mousemove', onMouseMove);

            // 初始绑定
            bindTargets();

            // 监听页面内容变化（支持动态加载）
            const observer = new MutationObserver(bindTargets);
            observer.observe(document.body, { childList: true, subtree: true });
        });
    });
})();