MediaWiki:Common.js

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$(document).ready(function() {
    // ===========================================
    // Configuration
    // ===========================================
    const CONFIG = {
        scrollThreshold: 300,
        menuHideThreshold: 500,
        desktopBreakpoint: 768,
        progressBar: true,
        backToTop: true,
        floatingMenu: true,
        smoothScroll: true,
        stickyHeader: true,
        readingTime: true,
        tableOfContents: true
    };
    
    // ===========================================
    // 1. Initialize UI Elements
    // ===========================================
    function initializeUI() {
        // Progress Bar
        if (CONFIG.progressBar) {
            $('body').append('<div id="scroll-progress"></div>');
        }
        
        // Back to Top Button
        if (CONFIG.backToTop) {
            var topButtonHTML = '<div class="back-to-top-fixed" style="display:none;"><a href="#">↑ TOP</a></div>';
            $('body').append(topButtonHTML);
        }
        
        // Floating Menu
        if (CONFIG.floatingMenu) {
            var menuHTML = `
                <div class="floating-menu" id="floatingMenu">
                    <div class="floating-menu-header" id="menuHeader">
                        <span>📋 QUICK NAV</span>
                        <span class="arrow">▼</span>
                    </div>
                    <div class="floating-menu-items">
                        <a href="/index.php/Main_Page">🏠 Main Page</a>
                        <a href="/index.php/First_Steps">🚀 First Steps</a>
                        <a href="/index.php/VIP">👑 VIP</a>
                        <a href="/index.php/Enchant_Stones">💎 Enchant Stones</a>
                        <a href="/index.php/Nyangvines">🐱 Nyangvines</a>
                        <a href="/index.php/Custom_Systems">⚙️ Custom Systems</a>
                        <a href="/index.php/Monthly_Kachua">📅 Monthly Kachua</a>
                        <a href="/index.php/Troubleshooting">🔧 Troubleshooting</a>
                        <a href="/index.php/Card_Trader_and_Kachua_Tokens">🃏 Card and Tokens</a>
                        <a href="/index.php/Equipment_Enhancement">🛡️ EQ Enhancement</a>
                    </div>
                </div>
                <div class="floating-menu-toggle" id="menuToggle">☰</div>
            `;
            $('body').append(menuHTML);
        }
    }
    
    initializeUI();
    
    // ===========================================
    // 2. Scroll Event Handler
    // ===========================================
    var lastScrollTop = 0;
    var scrollTimer = null;
    
    $(window).scroll(function() {
        var st = $(this).scrollTop();
        
        // Throttle scroll events for better performance
        if (scrollTimer) {
            clearTimeout(scrollTimer);
        }
        
        scrollTimer = setTimeout(function() {
            // A. Progress Bar
            if (CONFIG.progressBar) {
                var docHeight = $(document).height() - $(window).height();
                var scrolled = (st / docHeight) * 100;
                $('#scroll-progress').css("width", scrolled + "%");
            }

            // B. Top Button Fade
            if (CONFIG.backToTop) {
                if (st > CONFIG.scrollThreshold) { 
                    $('.back-to-top-fixed').fadeIn(); 
                } else { 
                    $('.back-to-top-fixed').fadeOut(); 
                }
            }

            // C. Hide Menu on Scroll Down (Desktop Only)
            if (CONFIG.floatingMenu && $(window).width() > CONFIG.desktopBreakpoint) {
                if (st > lastScrollTop && st > CONFIG.menuHideThreshold) {
                    $('#floatingMenu').css('right', '-220px');
                } else {
                    $('#floatingMenu').css('right', '20px');
                }
            }
            
            lastScrollTop = st;
        }, 10); // 10ms throttle

        // D. Sticky Header
        if (CONFIG.stickyHeader) {
            if (st > 100) {
                $('#mw-head').addClass('sticky-header');
            } else {
                $('#mw-head').removeClass('sticky-header');
            }
        }
    });
    
    // ===========================================
    // 3. Section Tracker (run on load and scroll)
    // ===========================================
    function updateActiveSection() {
        var currentPath = window.location.pathname;
        $('.floating-menu-items a').each(function() {
            var href = $(this).attr('href');
            if (currentPath.includes(href) || currentPath === href) {
                $(this).addClass('reading-now');
            } else {
                $(this).removeClass('reading-now');
            }
        });
    }
    
    // Run on load and scroll
    updateActiveSection();
    $(window).on('scroll', updateActiveSection);
    
    // ===========================================
    // 4. Toggle Events
    // ===========================================
    $('#menuHeader').click(function() { 
        $('#floatingMenu').toggleClass('collapsed'); 
    });
    
    $('#menuToggle').click(function() { 
        $('#floatingMenu').toggleClass('mobile-visible');
        // Close menu when clicking outside
        $(document).one('click', function(e) {
            if (!$(e.target).closest('#floatingMenu, #menuToggle').length) {
                $('#floatingMenu').removeClass('mobile-visible');
            }
        });
    });
    
    // Close menu with Escape key
    $(document).keyup(function(e) {
        if (e.key === "Escape") {
            $('#floatingMenu').removeClass('mobile-visible');
        }
    });
    
    // ===========================================
    // 5. Back to Top Button
    // ===========================================
    $('.back-to-top-fixed a').click(function(e) {
        e.preventDefault();
        $('html, body').animate({scrollTop: 0}, 400, 'swing');
    });
    
    // ===========================================
    // 6. Smooth Scrolling for Anchor Links
    // ===========================================
    if (CONFIG.smoothScroll) {
        $('a[href^="#"]').not('.no-smooth').on('click', function(e) {
            e.preventDefault();
            var target = $(this.hash);
            if (target.length) {
                $('html, body').animate({
                    scrollTop: target.offset().top - 60
                }, 500, 'swing', function() {
                    // Update URL hash without jumping
                    if (history.pushState) {
                        history.pushState(null, null, this.hash);
                    }
                });
            }
        });
    }
    
    // ===========================================
    // 7. Reading Time Estimator
    // ===========================================
    if (CONFIG.readingTime) {
        var content = $('#mw-content-text').text();
        var wordCount = content.split(/\s+/).length;
        var readingTime = Math.ceil(wordCount / 200);
        
        if (wordCount > 50) { // Only show for longer articles
            $('#firstHeading').append(
                '<span class="reading-time-badge" style="' +
                'font-size: 14px; ' +
                'font-weight: normal; ' +
                'margin-left: 15px; ' +
                'padding: 3px 10px; ' +
                'background: linear-gradient(135deg, #FF6A00, #D93800); ' +
                'color: white; ' +
                'border-radius: 20px; ' +
                'display: inline-block;' +
                '">📖 ' + readingTime + ' min read</span>'
            );
        }
    }
    
    // ===========================================
    // 8. Table of Contents Improvements
    // ===========================================
    if (CONFIG.tableOfContents && $('#toc').length) {
        // Add sticky TOC toggle
        $('#toc').before(
            '<div id="toc-controls" style="margin-bottom: 10px;">' +
                '<button id="toggle-toc" class="btn" style="' +
                'background: linear-gradient(135deg, #FF6A00, #D93800); ' +
                'color: white; ' +
                'border: none; ' +
                'padding: 5px 15px; ' +
                'border-radius: 5px; ' +
                'cursor: pointer;' +
                '">Hide Table of Contents</button>' +
            '</div>'
        );
        
        $('#toggle-toc').click(function() {
            $('#toc ul').slideToggle(200);
            $(this).text(function(i, text) {
                return text === 'Hide Table of Contents' ? 
                    'Show Table of Contents' : 'Hide Table of Contents';
            });
        });
        
        // Add "Back to Top" links after each section
        $('h2, h3').each(function() {
            if ($(this).attr('id')) {
                $(this).append(
                    ' <a href="#top" class="section-top-link" style="' +
                    'font-size: 12px; ' +
                    'margin-left: 10px; ' +
                    'text-decoration: none; ' +
                    'opacity: 0.5; ' +
                    'transition: opacity 0.3s;' +
                    '">↑ top</a>'
                );
                
                $(this).find('.section-top-link').hover(
                    function() { $(this).css('opacity', '1'); },
                    function() { $(this).css('opacity', '0.5'); }
                );
            }
        });
    }
    
    // ===========================================
    // 9. Keyboard Navigation
    // ===========================================
    $(document).on('keydown', function(e) {
        // Alt + Q - Toggle floating menu
        if (e.altKey && e.key === 'q') {
            e.preventDefault();
            $('#floatingMenu').toggleClass('collapsed');
        }
        
        // Alt + T - Back to top
        if (e.altKey && e.key === 't') {
            e.preventDefault();
            $('html, body').animate({scrollTop: 0}, 400);
        }
        
        // Alt + H - Go to Main Page
        if (e.altKey && e.key === 'h') {
            e.preventDefault();
            window.location.href = '/index.php/Main_Page';
        }
    });
    
    // ===========================================
    // 10. Responsive Handling
    // ===========================================
    $(window).resize(function() {
        if ($(window).width() > CONFIG.desktopBreakpoint) {
            $('#floatingMenu').removeClass('mobile-visible');
            $('#floatingMenu').css('right', '20px');
        } else {
            $('#floatingMenu').css('right', '');
        }
    });
    
    // ===========================================
    // 11. Page Load Performance
    // ===========================================
    // Lazy load images if any
    $('img').each(function() {
        var img = $(this);
        var src = img.attr('src');
        if (src && !img.hasClass('loaded')) {
            img.on('load', function() {
                $(this).addClass('loaded');
            });
        }
    });
    
    // ===========================================
    // 12. Error Handling
    // ===========================================
    $(window).on('error', function(e) {
        console.log('JavaScript error:', e.message);
    });
});

// ===========================================
// 13. Sticky Header CSS (add to your CSS file)
// ===========================================
/*
.sticky-header {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 1000 !important;
    background: white !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1) !important;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}
*/