MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */
// Ensures class card images use the intended foreground image if data-src is present.
(function () {
  function applyDataSrc() {
    var images = document.querySelectorAll('.mw-card-image img[data-src]');
    for (var i = 0; i < images.length; i++) {
      var img = images[i];
      var dataSrc = img.getAttribute('data-src');
      if (dataSrc && img.getAttribute('src') !== dataSrc) {
        img.setAttribute('src', dataSrc);
      }
    }
  }

  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', applyDataSrc);
  } else {
    applyDataSrc();
  }
})();

/* Update 048: nested Stage dropdown v8 - clean row layout + per-stage overview child */
(function () {
  function textOf(el) {
    return (el && el.textContent ? el.textContent : '').replace(/\s+/g, ' ').trim();
  }

  function norm(s) {
    return (s || '').replace(/\s+/g, ' ').trim().toLowerCase();
  }

  function pageKeyOf(link) {
    if (!link) return '';
    var href = link.getAttribute('href') || '';
    var title = link.getAttribute('title') || '';

    var fromTitle = title.replace(/\s+/g, '_').trim();
    if (fromTitle) return fromTitle;

    var fromQuery = href.match(/[?&](title|page)=([^&]+)/i);
    if (fromQuery && fromQuery[2]) return decodeURIComponent(fromQuery[2]);

    var parts = href.split('/');
    return decodeURIComponent(parts[parts.length - 1] || '');
  }

  function directLink(li) {
    if (!li || !li.childNodes) return null;
    var i;
    for (i = 0; i < li.childNodes.length; i++) {
      var n = li.childNodes[i];
      if (n && n.nodeType === 1 && n.tagName && n.tagName.toLowerCase() === 'a') return n;
    }
    return null;
  }

  function childLis(container) {
    if (!container || !container.children) return [];
    var out = [];
    var i;
    for (i = 0; i < container.children.length; i++) {
      var c = container.children[i];
      if (c && c.tagName && c.tagName.toLowerCase() === 'li') out.push(c);
    }
    return out;
  }

  function isStageLabel(labelNorm) {
    return /^stage\s+[1-4]$/i.test(labelNorm);
  }

  function stageNumberFromLabel(labelNorm) {
    var m = labelNorm.match(/^stage\s+([1-4])$/i);
    return m ? m[1] : null;
  }

  function isMiniLabel(labelNorm) {
    return /^mini\s+stage\s+\d+$/i.test(labelNorm);
  }

  function isStageOverviewKey(key, stageNum) {
    return key === 'Stage_' + stageNum + '_Overview';
  }

  function isMiniForStage(key, stageNum) {
    if (stageNum === '1') return /^Mini_Stage_\d+$/.test(key);
    return new RegExp('^Stage_' + stageNum + '_Mini_Stage_\\d+$').test(key);
  }

  function scoreContainer(container) {
    var lis = childLis(container);
    if (!lis.length) return 0;

    var stageCount = 0;
    var miniCount = 0;
    var i;

    for (i = 0; i < lis.length; i++) {
      var label = norm(textOf(directLink(lis[i])));
      if (/^stage\s+[1-4]$/i.test(label)) stageCount++;
      if (/^mini\s+stage\s+\d+$/i.test(label)) miniCount++;
    }

    if (stageCount >= 4 && miniCount >= 8) return stageCount * 100 + miniCount;
    return 0;
  }

  function findStagesList() {
    var lists = document.querySelectorAll('ul, ol');
    var best = null;
    var bestScore = 0;
    var i;

    for (i = 0; i < lists.length; i++) {
      var s = scoreContainer(lists[i]);
      if (s > bestScore) {
        bestScore = s;
        best = lists[i];
      }
    }
    return best;
  }

  function buildToggleHandler(stageLi, toggleEl) {
    return function (ev) {
      ev.preventDefault();
      ev.stopPropagation();
      ev.stopImmediatePropagation();

      var open = stageLi.classList.toggle('stages-open');
      toggleEl.textContent = open ? '▾' : '▸';
      return false;
    };
  }

  function normalizeStageRow(stageLi, stageNum) {
    stageLi.className = (stageLi.className ? stageLi.className + ' ' : '') + 'stages-inner-parent stages-inner-stage-' + stageNum;
    stageLi.setAttribute('data-stage-num', stageNum);

    var link = directLink(stageLi);
    if (!link) return null;

    link.href = '#';
    link.className = (link.className ? link.className + ' ' : '') + 'stages-inner-stage-link';

    var toggle = document.createElement('button');
    toggle.type = 'button';
    toggle.className = 'stages-inner-toggle-btn';
    toggle.setAttribute('aria-label', 'Toggle Stage ' + stageNum);
    toggle.textContent = '▸';

    var handler = buildToggleHandler(stageLi, toggle);
    toggle.addEventListener('click', handler, true);
    link.addEventListener('click', handler, true);

    stageLi.appendChild(toggle);
    return stageLi;
  }

  function applyNestedStages() {
    var list = findStagesList();
    if (!list || list.dataset.stagesNestedV8Applied === '1') return;

    var items = childLis(list);
    if (!items.length) return;

    var rebuilt = [];
    var currentStageLi = null;
    var currentStageNum = null;
    var currentSub = null;
    var i;

    for (i = 0; i < items.length; i++) {
      var li = items[i];
      var link = directLink(li);
      if (!link) {
        rebuilt.push(li.cloneNode(true));
        continue;
      }

      var labelNorm = norm(textOf(link));
      var key = pageKeyOf(link);

      if (isStageLabel(labelNorm)) {
        currentStageNum = stageNumberFromLabel(labelNorm);
        currentStageLi = normalizeStageRow(li.cloneNode(true), currentStageNum);
        currentSub = document.createElement('ul');
        currentSub.className = 'stages-inner-submenu';
        currentStageLi.appendChild(currentSub);
        rebuilt.push(currentStageLi);
        continue;
      }

      if (currentSub && currentStageNum) {
        if (isStageOverviewKey(key, currentStageNum) || isMiniForStage(key, currentStageNum)) {
          var childLi = li.cloneNode(true);
          childLi.className = (childLi.className ? childLi.className + ' ' : '') + 'stages-inner-child-item';
          var childLink = directLink(childLi);
          if (childLink && isStageOverviewKey(key, currentStageNum)) {
            childLink.className = (childLink.className ? childLink.className + ' ' : '') + 'stages-overview-child-link';
          }
          currentSub.appendChild(childLi);
          continue;
        }
      }

      currentStageLi = null;
      currentStageNum = null;
      currentSub = null;
      rebuilt.push(li.cloneNode(true));
    }

    while (list.firstChild) list.removeChild(list.firstChild);
    for (i = 0; i < rebuilt.length; i++) list.appendChild(rebuilt[i]);

    list.dataset.stagesNestedV8Applied = '1';
  }

  function boot() {
    applyNestedStages();
    setTimeout(applyNestedStages, 350);
    setTimeout(applyNestedStages, 900);
    setTimeout(applyNestedStages, 1600);
  }

  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', boot);
  } else {
    boot();
  }
})();