MediaWiki:Common.js

mw.loader.using('mediawiki.util', function () {
  $(function () {
    // 📄 PDF Export Button (for InternationalisationForms pages)
    var cats = mw.config.get('wgCategories') || [];
    var targetCat = 'InternationalisationForms';

    if (cats.indexOf(targetCat) !== -1) {
      var $pdfLink = $('<a>')
        .text('📄 Export this page to PDF')
        .attr('href', '#')
        .css({
          display: 'inline-block',
          padding: '0.39em 0.77em',
          'font-size': '0.82em',
          'background-color': '#19529E',
          color: '#fff',
          'text-decoration': 'none',
          'border-radius': '3px',
          margin: '0.39em'
        })
        .click(function (e) {
          e.preventDefault();
          window.print();
        });

      $('#content').before(
        $('<div>')
          .attr('id', 'export-to-pdf-container')
          .css({ 'text-align': 'right', padding: '0.5em' })
          .append($pdfLink)
      );
    }

    // 🧰 Hide toolbox for anonymous users
    if (mw.config.get('wgUserName') === null) {
      $('#p-tb').hide();
      $('#p-toolbox, #vector-page-tools, #vector-page-tools-dropdown').hide();
    }

    // 🧼 Hide “Switch to old look” link
    function hideSkinSwitcher() {
      $('a').filter(function () {
        return $(this).text().trim() === 'Switch to old look';
      }).closest('li, span, div').hide();
    }

    hideSkinSwitcher();
    const observer = new MutationObserver(hideSkinSwitcher);
    observer.observe(document.body, { childList: true, subtree: true });

    // 🌳 COLLAPSIBLE TREE TABLE (expand/collapse rows based on parent)
    $(".treetable .tree-row").each(function () {
      const id = $(this).data("id");
      const parent = $(this).data("parent");

      if (parent) {
        $(this).addClass("child-of-" + parent.replace(/\s/g, "-")).hide();
      } else {
        $(this).addClass("root-row").css("cursor", "pointer");
      }
    });

    $(".treetable .root-row").on("click", function () {
      const id = $(this).data("id").replace(/\s/g, "-");
      $(".child-of-" + id).toggle();
    });
  });
});