MediaWiki:Common.js: Difference between revisions

Revision as of 05:23, 22 October 2025

/* Common.js - Site-wide JavaScript */

/* Add copyright footer at the very bottom of page - single occurrence only */
$(document).ready(function() {
    // Remove any existing copyright footers first to prevent duplicates
    $('#footer-info-copyright, .ceo-copyright-footer').remove();

    // Create the copyright footer
    var copyright = '<div class="ceo-copyright-footer" id="footer-info-copyright" style="text-align: center; padding: 20px; background: #f8f9fa; border-top: 1px solid #ddd; margin-top: 40px; font-size: 0.85em; line-height: 1.6;">Text is available under the <a href="https://creativecommons.org/licenses/by-sa/4.0/" target="_blank" rel="nofollow">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. By using this site, you agree to the <a href="/wiki/CEO.wiki:Terms_of_Use">Terms of Use</a>, <a href="/wiki/CEO.wiki:Privacy_Policy">Privacy Policy</a>, and all <a href="/wiki/CEO.wiki:General_disclaimer">disclaimers</a>. CEO.wiki is operated as an independent collaborative encyclopedia project and is not affiliated with Wikipedia or the Wikimedia Foundation. See our <a href="/wiki/CEO.wiki:Takedown_Request_Policy">Takedown Request Policy</a> for content concerns.</div>';

    // Append to the very bottom of the body
    $('body').append(copyright);
});

/* 3D CEO Cloud - Horizontal Ellipsoid - Wikipedia Style */
$(document).ready(function() {
    var placeholder = document.getElementById('ceocloud-placeholder');
    if (!placeholder) {
        console.log('CEO Cloud: placeholder not found');
        return;
    }

    // Get CEO data from the parser function
    var ceoDataEl = document.getElementById('ceo-data');
    if (!ceoDataEl) {
        console.log('CEO Cloud: ceo-data element not found');
        return;
    }

    var ceoDataJson = ceoDataEl.getAttribute('data-ceos');
    if (!ceoDataJson) {
        console.log('CEO Cloud: data-ceos attribute empty');
        return;
    }

    var tags = JSON.parse(ceoDataJson);
    if (!tags || tags.length === 0) {
        console.log('CEO Cloud: no tags found');
        return;
    }

    console.log('CEO Cloud: Initializing with ' + tags.length + ' CEOs');

    // Create cloud container with proper centering
    var cloud = document.createElement('div');
    cloud.style.position = 'relative';
    cloud.style.width = '100%';
    cloud.style.height = '500px';
    cloud.style.overflow = 'hidden';
    cloud.style.cursor = 'grab';

    // Create inner sphere container
    var sphere = document.createElement('div');
    sphere.style.position = 'absolute';
    sphere.style.left = '50%';
    sphere.style.top = '50%';
    sphere.style.width = '1px';
    sphere.style.height = '1px';
    sphere.style.transformStyle = 'preserve-3d';
    sphere.style.transition = 'transform 0.3s ease-out';

    // Horizontal ellipsoid parameters - much wider than tall
    var radiusX = 380;  // Width
    var radiusY = 120;  // Height (much smaller for horizontal spread)
    var radiusZ = 280;  // Depth

    var phi = Math.PI * (3 - Math.sqrt(5)); // Golden angle in radians
    var ceoElements = [];

    tags.forEach(function(tag, i) {
        // Fibonacci sphere distribution
        var y = 1 - (i / (tags.length - 1)) * 2; // y goes from 1 to -1
        var radiusAtY = Math.sqrt(1 - y * y); // radius at y
        var theta = phi * i; // golden angle increment

        var x = Math.cos(theta) * radiusAtY;
        var z = Math.sin(theta) * radiusAtY;

        // Scale to ellipsoid - WIDE horizontally
        var posX = x * radiusX;
        var posY = y * radiusY;
        var posZ = z * radiusZ;

        // Create link element
        var link = document.createElement('a');
        link.href = tag.url;
        link.textContent = tag.text;
        link.style.position = 'absolute';
        link.style.left = '0';
        link.style.top = '0';
        link.style.color = '#ffffff';
        link.style.textDecoration = 'none';
        link.style.fontSize = tag.size + 'px';
        link.style.fontWeight = '400';
        link.style.fontFamily = '"Linux Libertine", Georgia, "Times New Roman", Times, serif';
        link.style.whiteSpace = 'nowrap';
        link.style.transition = 'all 0.3s ease, transform 0.2s ease';
        link.style.textShadow = '0 2px 10px rgba(0,0,0,0.9), 0 0 30px rgba(0,0,0,0.6)';
        link.style.cursor = 'pointer';
        link.style.transformStyle = 'preserve-3d';
        link.style.transform = 'translate3d(' + posX + 'px, ' + posY + 'px, ' + posZ + 'px) translate(-50%, -50%)';
        link.style.backfaceVisibility = 'hidden';
        link.style.userSelect = 'none';

        // Store original position and data
        link.dataset.x = posX;
        link.dataset.y = posY;
        link.dataset.z = posZ;
        link.dataset.originalSize = tag.size;

        // Hover effects with depth perception
        link.addEventListener('mouseenter', function() {
            this.style.color = '#fbbf24';
            this.style.fontWeight = '700';
            var scale = 1.4;
            this.style.fontSize = (parseFloat(this.dataset.originalSize) * scale) + 'px';
            this.style.textShadow = '0 3px 20px rgba(251, 191, 36, 1), 0 0 50px rgba(251, 191, 36, 0.8), 0 0 80px rgba(251, 191, 36, 0.4)';
            this.style.zIndex = '1000';
            this.style.filter = 'brightness(1.3)';
        });

        link.addEventListener('mouseleave', function() {
            this.style.color = '#ffffff';
            this.style.fontWeight = '400';
            this.style.fontSize = this.dataset.originalSize + 'px';
            this.style.textShadow = '0 2px 10px rgba(0,0,0,0.9), 0 0 30px rgba(0,0,0,0.6)';
            this.style.zIndex = 'auto';
            this.style.filter = 'brightness(1)';
        });

        // Click animation
        link.addEventListener('click', function(e) {
            this.style.transform = 'translate3d(' + posX + 'px, ' + posY + 'px, ' + (posZ + 100) + 'px) translate(-50%, -50%) scale(1.5)';
            this.style.transition = 'all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1)';
        });

        ceoElements.push({
            element: link,
            x: posX,
            y: posY,
            z: posZ
        });

        sphere.appendChild(link);
    });

    cloud.appendChild(sphere);
    placeholder.innerHTML = ''; // Clear placeholder
    placeholder.appendChild(cloud);

    // Animation variables
    var angleX = 10; // Start with slight tilt
    var angleY = 0;
    var autoRotate = true;
    var targetAngleX = 10;
    var targetAngleY = 0;
    var rotationSpeed = 0.15; // Slower, smoother rotation
    var zoom = 1;
    var targetZoom = 1;

    // Update depth-based opacity and size
    function updateDepth() {
        var transform = sphere.style.transform;
        var matrix = new WebKitCSSMatrix(window.getComputedStyle(sphere).transform);

        ceoElements.forEach(function(ceo) {
            // Calculate Z position after rotation
            var x = parseFloat(ceo.x);
            var y = parseFloat(ceo.y);
            var z = parseFloat(ceo.z);

            // Simple rotation math for depth
            var rad = angleY * Math.PI / 180;
            var newZ = z * Math.cos(rad) - x * Math.sin(rad);

            // Depth-based effects
            var depthFactor = (newZ + radiusZ) / (radiusZ * 2); // 0 to 1
            var opacity = 0.3 + (depthFactor * 0.7); // 0.3 to 1.0
            var scale = 0.7 + (depthFactor * 0.3); // 0.7 to 1.0

            ceo.element.style.opacity = opacity;
            ceo.element.style.filter = 'brightness(' + (0.6 + depthFactor * 0.4) + ')';

            // Update z-index for proper layering
            ceo.element.style.zIndex = Math.round(depthFactor * 100);
        });
    }

    function animate() {
        if (autoRotate) {
            targetAngleY += rotationSpeed;
        }

        // Smooth interpolation
        angleX += (targetAngleX - angleX) * 0.1;
        angleY += (targetAngleY - angleY) * 0.1;
        zoom += (targetZoom - zoom) * 0.1;

        sphere.style.transform = 'scale(' + zoom + ') rotateX(' + angleX + 'deg) rotateY(' + angleY + 'deg)';

        updateDepth();
        requestAnimationFrame(animate);
    }

    animate();

    // Interactive controls
    var isDragging = false;
    var previousMouseX = 0;
    var previousMouseY = 0;

    cloud.addEventListener('mousedown', function(e) {
        if (e.target.tagName.toLowerCase() !== 'a') {
            isDragging = true;
            autoRotate = false;
            previousMouseX = e.clientX;
            previousMouseY = e.clientY;
            cloud.style.cursor = 'grabbing';
            e.preventDefault();
        }
    });

    document.addEventListener('mousemove', function(e) {
        if (isDragging) {
            var deltaX = e.clientX - previousMouseX;
            var deltaY = e.clientY - previousMouseY;

            targetAngleY += deltaX * 0.5;
            targetAngleX -= deltaY * 0.3;

            // Limit vertical rotation
            targetAngleX = Math.max(-40, Math.min(40, targetAngleX));

            previousMouseX = e.clientX;
            previousMouseY = e.clientY;
        }
    });

    document.addEventListener('mouseup', function() {
        if (isDragging) {
            isDragging = false;
            cloud.style.cursor = 'grab';
            setTimeout(function() {
                autoRotate = true;
            }, 2000); // Resume auto-rotation after 2 seconds
        }
    });

    // Mouse wheel zoom
    cloud.addEventListener('wheel', function(e) {
        e.preventDefault();
        var delta = e.deltaY > 0 ? -0.1 : 0.1;
        targetZoom = Math.max(0.5, Math.min(1.5, targetZoom + delta));

        autoRotate = false;
        clearTimeout(cloud.zoomTimeout);
        cloud.zoomTimeout = setTimeout(function() {
            autoRotate = true;
        }, 1500);
    });

    // Touch support for mobile
    var touchStartX = 0;
    var touchStartY = 0;

    cloud.addEventListener('touchstart', function(e) {
        if (e.touches.length === 1) {
            isDragging = true;
            autoRotate = false;
            touchStartX = e.touches[0].clientX;
            touchStartY = e.touches[0].clientY;
            previousMouseX = touchStartX;
            previousMouseY = touchStartY;
            e.preventDefault();
        }
    });

    document.addEventListener('touchmove', function(e) {
        if (isDragging && e.touches.length === 1) {
            var deltaX = e.touches[0].clientX - previousMouseX;
            var deltaY = e.touches[0].clientY - previousMouseY;

            targetAngleY += deltaX * 0.5;
            targetAngleX -= deltaY * 0.3;
            targetAngleX = Math.max(-40, Math.min(40, targetAngleX));

            previousMouseX = e.touches[0].clientX;
            previousMouseY = e.touches[0].clientY;
        }
    });

    document.addEventListener('touchend', function() {
        if (isDragging) {
            isDragging = false;
            setTimeout(function() {
                autoRotate = true;
            }, 2000);
        }
    });

    // Keyboard controls
    document.addEventListener('keydown', function(e) {
        if (placeholder.contains(document.activeElement) || document.activeElement === document.body) {
            switch(e.key) {
                case 'ArrowLeft':
                    targetAngleY -= 10;
                    autoRotate = false;
                    e.preventDefault();
                    break;
                case 'ArrowRight':
                    targetAngleY += 10;
                    autoRotate = false;
                    e.preventDefault();
                    break;
                case 'ArrowUp':
                    targetAngleX = Math.max(-40, targetAngleX - 10);
                    autoRotate = false;
                    e.preventDefault();
                    break;
                case 'ArrowDown':
                    targetAngleX = Math.min(40, targetAngleX + 10);
                    autoRotate = false;
                    e.preventDefault();
                    break;
                case '+':
                case '=':
                    targetZoom = Math.min(1.5, targetZoom + 0.1);
                    autoRotate = false;
                    e.preventDefault();
                    break;
                case '-':
                case '_':
                    targetZoom = Math.max(0.5, targetZoom - 0.1);
                    autoRotate = false;
                    e.preventDefault();
                    break;
                case ' ':
                    autoRotate = !autoRotate;
                    e.preventDefault();
                    break;
            }
        }
    });

    // Double-click to focus on CEO
    sphere.addEventListener('dblclick', function(e) {
        if (e.target.tagName.toLowerCase() === 'a') {
            e.preventDefault();
            targetZoom = 1.3;
            autoRotate = false;

            setTimeout(function() {
                window.location.href = e.target.href;
            }, 300);
        }
    });

    // Add control hints
    var hints = document.createElement('div');
    hints.style.position = 'absolute';
    hints.style.bottom = '10px';
    hints.style.left = '50%';
    hints.style.transform = 'translateX(-50%)';
    hints.style.color = 'rgba(255,255,255,0.6)';
    hints.style.fontSize = '12px';
    hints.style.textAlign = 'center';
    hints.style.pointerEvents = 'none';
    hints.style.fontFamily = 'sans-serif';
    hints.innerHTML = '🖱️ Drag to rotate • 🔍 Scroll to zoom • ⌨️ Arrow keys to navigate • Space to pause';
    cloud.appendChild(hints);

    console.log('CEO Cloud: Successfully initialized with horizontal ellipsoid');
});