MediaWiki:Common.js: Difference between revisions

Revision as of 10:12, 6 November 2023

/* Any JavaScript here will be loaded for all users on every page load. */

var panoContainer = document.getElementById('panorama');
var panoImage = document.getElementById('panoImage');

// Duplicate the panoImage to allow for continuous scrolling.
// The actual implementation might need adjustment depending on your HTML and CSS.
panoImage.innerHTML += panoImage.innerHTML;

var isPanning = false;
var startX = 0;
var scrollLeft = 0;

panoContainer.addEventListener('mousedown', function(e) {
  isPanning = true;
  startX = e.pageX - panoContainer.offsetLeft;
  scrollLeft = panoContainer.scrollLeft;
  panoContainer.style.cursor = 'grabbing';
});

panoContainer.addEventListener('mouseleave', function() {
  isPanning = false;
  panoContainer.style.cursor = 'grab';
});

panoContainer.addEventListener('mouseup', function() {
  isPanning = false;
  panoContainer.style.cursor = 'grab';
});

panoContainer.addEventListener('mousemove', function(e) {
  if (!isPanning) return;
  e.preventDefault();
  var x = e.pageX - panoContainer.offsetLeft;
  var walk = (x - startX) * 2; // Increase the scroll speed
  var newScrollLeft = scrollLeft - walk;

  // Adjust the scroll position when reaching the end/start of the content
  if (newScrollLeft <= 0) {
    newScrollLeft += panoImage.offsetWidth / 2;
  } else if (newScrollLeft >= panoImage.offsetWidth / 2) {
    newScrollLeft -= panoImage.offsetWidth / 2;
  }

  panoContainer.scrollLeft = newScrollLeft;
});