MediaWiki:Common.js
From Sanatan Hindu Dharma
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/* Any JavaScript here will be loaded for all users on every page load. */
/*
$(window).on('load', function() {
// Wait until everything is fully loaded
var catlinks = $('#catlinks');
var footer = $('.mw-footer');
// If both exist, move category links before footer
if (catlinks.length && footer.length) {
footer.before(catlinks);
}
});
$(document).ready(function() {
if (mw.config.get('wgNamespaceNumber') >= 0) { // Only show on normal pages
var pageName = mw.config.get('wgPageName');
var uploadUrl = mw.util.getUrl('Form:UploadVideo', { 'page': pageName });
$('<div style="position:fixed; bottom:20px; right:20px; background:#007bff; color:white; padding:10px; border-radius:5px; cursor:pointer; font-weight:bold;">Upload a Video</div>')
.click(function() {
window.location.href = uploadUrl;
}).appendTo('body');
}
});
*/
/* Functions of Slider One */
(function () {
function initSliders() {
var sliders = document.querySelectorAll('.mw-slider');
sliders.forEach(function (slider) {
// Avoid double-init
if (slider._mwSliderInited) return;
slider._mwSliderInited = true;
var viewport = slider.querySelector('.mw-slider-viewport');
var track = slider.querySelector('.mw-slider-track');
var items = Array.from(slider.querySelectorAll('.mw-slider-item'));
var btnPrev = slider.querySelector('.mw-slider-btn.prev');
var btnNext = slider.querySelector('.mw-slider-btn.next');
var currentIndex = 0;
var itemsToShow = getItemsToShow();
var gap = parseFloat(getComputedStyle(track).columnGap || getComputedStyle(track).gap || 16);
function getItemsToShow() {
var w = window.innerWidth;
if (w <= 600) return 1;
if (w <= 900) return 2;
return 3;
}
function updateSizes() {
itemsToShow = getItemsToShow();
// compute single item width including gap
if (!items[0]) return;
var itemRect = items[0].getBoundingClientRect();
gap = parseFloat(getComputedStyle(track).columnGap || getComputedStyle(track).gap || 16);
var single = itemRect.width + gap;
// ensure currentIndex in range
var maxIndex = Math.max(0, items.length - itemsToShow);
currentIndex = Math.min(currentIndex, maxIndex);
// apply transform
var translateX = -currentIndex * single;
track.style.transform = 'translateX(' + translateX + 'px)';
updateButtons();
}
function updateButtons() {
var maxIndex = Math.max(0, items.length - itemsToShow);
if (btnPrev) btnPrev.disabled = currentIndex <= 0;
if (btnNext) btnNext.disabled = currentIndex >= maxIndex;
}
function gotoIndex(index) {
var maxIndex = Math.max(0, items.length - itemsToShow);
currentIndex = Math.max(0, Math.min(maxIndex, index));
updateSizes();
}
if (btnPrev) btnPrev.addEventListener('click', function () {
gotoIndex(currentIndex - 1);
});
if (btnNext) btnNext.addEventListener('click', function () {
gotoIndex(currentIndex + 1);
});
// Keyboard support
slider.addEventListener('keydown', function (e) {
if (e.key === 'ArrowLeft') gotoIndex(currentIndex - 1);
if (e.key === 'ArrowRight') gotoIndex(currentIndex + 1);
});
// Resize handling
var resizeTimeout;
window.addEventListener('resize', function () {
clearTimeout(resizeTimeout);
resizeTimeout = setTimeout(updateSizes, 120);
});
// Touch / drag support
(function () {
var startX = 0;
var currentTranslate = 0;
var dragging = false;
var pointerId = null;
function pointerDown(e) {
if (e.pointerType === 'mouse' && e.button !== 0) return;
dragging = true;
pointerId = e.pointerId;
startX = e.clientX;
track.style.transition = 'none';
track.setPointerCapture && track.setPointerCapture(pointerId);
}
function pointerMove(e) {
if (!dragging || e.pointerId !== pointerId) return;
var dx = e.clientX - startX;
var itemRect = items[0] && items[0].getBoundingClientRect();
var single = itemRect ? (itemRect.width + gap) : 0;
var baseTranslate = -currentIndex * single;
track.style.transform = 'translateX(' + (baseTranslate + dx) + 'px)';
}
function pointerUp(e) {
if (!dragging || e.pointerId !== pointerId) return;
dragging = false;
track.style.transition = '';
var dx = e.clientX - startX;
var threshold = Math.max(40, (items[0] ? items[0].getBoundingClientRect().width : 200) * 0.15);
if (dx > threshold) {
gotoIndex(currentIndex - 1);
} else if (dx < -threshold) {
gotoIndex(currentIndex + 1);
} else {
updateSizes();
}
try { track.releasePointerCapture(pointerId); } catch (err) {}
pointerId = null;
}
track.addEventListener('pointerdown', pointerDown);
window.addEventListener('pointermove', pointerMove);
window.addEventListener('pointerup', pointerUp);
track.addEventListener('pointercancel', pointerUp);
})();
// Initial sizes
setTimeout(updateSizes, 60);
});
}
// init on DOM ready
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', initSliders);
} else {
initSliders();
}
// If new content is loaded via AJAX on the wiki, re-init
if (window.mw && mw.hook) {
mw.hook('wikipage.content').add(initSliders);
}
})();
/* Full width Slider */
(function () {
function initFullSliders() {
var sliders = document.querySelectorAll('.mw-fullslider');
sliders.forEach(function (slider) {
if (slider._fullSliderInit) return;
slider._fullSliderInit = true;
var track = slider.querySelector('.mw-fullslider-track');
var slides = Array.from(track.children);
var btnPrev = slider.querySelector('.mw-fullslider-btn.prev');
var btnNext = slider.querySelector('.mw-fullslider-btn.next');
var dots = Array.from(slider.querySelectorAll('.mw-fullslider-dots .dot'));
var current = 0;
var slideCount = slides.length;
function goTo(index, animate) {
current = (index % slideCount + slideCount) % slideCount;
var x = -current * slider.clientWidth;
if (animate === false) track.style.transition = 'none';
else track.style.transition = '';
track.style.transform = 'translateX(' + x + 'px)';
updateControls();
if (animate === false) {
// force reflow then restore
void track.offsetWidth;
track.style.transition = '';
}
}
function updateControls() {
if (btnPrev) btnPrev.disabled = false;
if (btnNext) btnNext.disabled = false;
// update dots
dots.forEach(function (d) {
d.classList.toggle('active', +d.getAttribute('data-index') === current);
d.setAttribute('aria-pressed', (+d.getAttribute('data-index') === current).toString());
});
}
if (btnPrev) btnPrev.addEventListener('click', function () { goTo(current - 1); });
if (btnNext) btnNext.addEventListener('click', function () { goTo(current + 1); });
dots.forEach(function (dot) {
dot.addEventListener('click', function () {
var idx = parseInt(this.getAttribute('data-index'), 10);
goTo(idx);
});
});
// Resize handling: ensure slide width matches viewport
var resizeTimer;
function onResize() {
clearTimeout(resizeTimer);
resizeTimer = setTimeout(function () {
// Recompute translate in case width changed
goTo(current, false);
}, 80);
}
window.addEventListener('resize', onResize);
// Touch / drag support
(function () {
var startX = 0, startTranslate = 0, dragging = false, pointerId = null;
function down(e) {
if (e.pointerType === 'mouse' && e.button !== 0) return;
dragging = true;
pointerId = e.pointerId;
startX = e.clientX;
var style = window.getComputedStyle(track);
var matrix = new WebKitCSSMatrix(style.transform);
startTranslate = matrix.m41 || 0;
track.style.transition = 'none';
e.target.setPointerCapture && e.target.setPointerCapture(pointerId);
}
function move(e) {
if (!dragging || e.pointerId !== pointerId) return;
var dx = e.clientX - startX;
track.style.transform = 'translateX(' + (startTranslate + dx) + 'px)';
}
function up(e) {
if (!dragging || e.pointerId !== pointerId) return;
dragging = false;
track.style.transition = '';
var dx = e.clientX - startX;
var threshold = Math.max(40, slider.clientWidth * 0.12);
if (dx > threshold) goTo(current - 1);
else if (dx < -threshold) goTo(current + 1);
else goTo(current);
try { e.target.releasePointerCapture(pointerId); } catch (err) {}
pointerId = null;
}
track.addEventListener('pointerdown', down);
window.addEventListener('pointermove', move);
window.addEventListener('pointerup', up);
track.addEventListener('pointercancel', up);
})();
// Autoplay (optional): change interval or set autoplay = false
var autoplay = true;
var autoplayInterval = 4500; // ms
var autoplayTimer = null;
function startAutoplay() {
if (!autoplay) return;
stopAutoplay();
autoplayTimer = setInterval(function () { goTo(current + 1); }, autoplayInterval);
}
function stopAutoplay() {
if (autoplayTimer) { clearInterval(autoplayTimer); autoplayTimer = null; }
}
slider.addEventListener('mouseenter', stopAutoplay);
slider.addEventListener('mouseleave', startAutoplay);
slider.addEventListener('focusin', stopAutoplay);
slider.addEventListener('focusout', startAutoplay);
// Respect prefers-reduced-motion
var rmq = window.matchMedia('(prefers-reduced-motion: reduce)');
if (rmq.matches) autoplay = false;
// Ensure initial sizing: make each slide exactly slider.clientWidth
function layoutSlides() {
var w = slider.clientWidth;
slides.forEach(function (s) { s.style.minWidth = w + 'px'; s.style.maxWidth = w + 'px'; });
goTo(current, false);
}
// Wait for images then layout
function imgsReady(cb) {
var imgs = Array.from(slider.querySelectorAll('img'));
var rem = imgs.length;
if (!rem) return cb();
imgs.forEach(function (img) {
if (img.complete) { rem--; if (!rem) cb(); }
else {
img.addEventListener('load', function () { rem--; if (!rem) cb(); });
img.addEventListener('error', function () { rem--; if (!rem) cb(); });
}
});
}
imgsReady(function () {
layoutSlides();
startAutoplay();
window.addEventListener('resize', onResize);
});
// expose for debug (optional)
slider._goTo = goTo;
});
}
if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', initFullSliders);
else initFullSliders();
if (window.mw && mw.hook) mw.hook('wikipage.content').add(initFullSliders);
})();
