MediaWiki:Common.js

注意：在发布之后，您可能需要清除浏览器缓存才能看到所作出的变更的影响。

• Firefox或Safari：按住Shift的同时单击刷新，或按Ctrl-F5或Ctrl-R（Mac为⌘-R）
• Google Chrome：按Ctrl-Shift-R（Mac为⌘-Shift-R）
• Internet Explorer或Edge：按住Ctrl的同时单击刷新，或按Ctrl-F5
• Opera：按 Ctrl-F5。

/* MediaWiki:Common.js */
(function () {
  'use strict';

  function fallbackCopy(text) {
    if (!window.jQuery) return;
    var $ = window.jQuery;
    var $temp = $('<textarea>');
    $('body').append($temp);
    $temp.val(text).select();
    document.execCommand('copy');
    $temp.remove();
    alert('复制成功！');
  }

  // 点击按钮复制内容：<button class="copy-button" data-text="...">复制</button>
  if (window.jQuery) {
    window.jQuery(function ($) {
      $(document).on('click', '.copy-button', function () {
        var text = $(this).attr('data-text') || '';
        if (navigator.clipboard && navigator.clipboard.writeText) {
          navigator.clipboard.writeText(text).then(function () {
            alert('复制成功！');
          }, function () {
            fallbackCopy(text);
          });
        } else {
          fallbackCopy(text);
        }
      });
    });
  }

  // Timeless：把 Sidebar 里以 "-- " 开头的条目变成可折叠子项
  mw.loader.using(['mediawiki.util'], function () {
    if (mw.config.get('skin') !== 'timeless') return;

    function initNavTree() {
      var siteNav = document.getElementById('mw-site-navigation');
      if (!siteNav) return;

      var pNav = siteNav.querySelector('#p-navigation');
      if (!pNav) return;

      var root = pNav.querySelector('.mw-portlet-body > ul') ||
        pNav.querySelector('ul');
      if (!root) return;

      if (root.getAttribute('data-mdtNav') === '1') return;
      root.setAttribute('data-mdtNav', '1');

      var KEY = 'mdtNavTreeOpen';
      var store = {};
      try {
        store = JSON.parse(localStorage.getItem(KEY) || '{}');
      } catch (e) {
        store = {};
      }

      function getKey(li) {
        if (li && li.id) return li.id;
        var a = li ? li.querySelector('a') : null;
        return a ? (a.getAttribute('href') || '') : '';
      }

      function setStored(li, open) {
        var k = getKey(li);
        if (!k) return;
        store[k] = open;
        try {
          localStorage.setItem(KEY, JSON.stringify(store));
        } catch (e) {}
      }

      function setOpen(li, open, persist) {
        li.classList.toggle('mdtNavOpen', open);
        if (persist) setStored(li, open);
      }

      function ensureGroup(li) {
        li.classList.add('mdtNavGroup');

        var sub = li.querySelector('ul.mdtNavSublist');
        if (!sub) {
          sub = document.createElement('ul');
          sub.className = 'mdtNavSublist';
          li.appendChild(sub);
        }

        var btn = li.querySelector('button.mdtNavToggle');
        if (!btn) {
          btn = document.createElement('button');
          btn.type = 'button';
          btn.className = 'mdtNavToggle';
          btn.setAttribute('aria-label', '展开/收起');
          btn.setAttribute('aria-expanded', 'false');
          li.insertBefore(btn, sub);

          btn.addEventListener('click', function (ev) {
            ev.preventDefault();
            ev.stopPropagation();
            var isOpen = li.classList.contains('mdtNavOpen');
            setOpen(li, !isOpen, true);
            btn.setAttribute('aria-expanded', String(!isOpen));
          });
        }

        var k = getKey(li);
        if (store[k] === true) {
          li.classList.add('mdtNavOpen');
          btn.setAttribute('aria-expanded', 'true');
        }

        return sub;
      }

      var items = Array.prototype.slice.call(root.children);
      var lastAtDepth = [];

      for (var i = 0; i < items.length; i++) {
        var li = items[i];
        if (!li || li.tagName !== 'LI') continue;

        var a = li.querySelector('a');
        if (!a) continue;

        var raw = (a.textContent || '').trim();
        var m = raw.match(/^(-{2,})\s*(.*)$/);

        var depth = 0;
        if (m) {
          depth = Math.min(Math.floor(m[1].length / 2), 3);
          a.textContent = m[2];
        }

        li.classList.add('mdtNavItem');

        if (depth > 0 && lastAtDepth[depth - 1]) {
          li.classList.add('mdtNavSubItem');
          li.classList.add('mdtNavDepth' + String(depth));
          var sublist = ensureGroup(lastAtDepth[depth - 1]);
          sublist.appendChild(li);
        } else {
          depth = 0;
        }

        lastAtDepth[depth] = li;
        lastAtDepth.length = depth + 1;
      }

      // 当前页面高亮 + 自动展开父级
      var current = (mw.config.get('wgPageName') || '').replace(/ /g, '_');
      var links = pNav.querySelectorAll('a');

      function titleFromHref(href) {
        var t = mw.util.getParamValue('title', href);
        if (t) return t.replace(/ /g, '_');

        var mark = '/index.php/';
        var pos = href.indexOf(mark);
        if (pos !== -1) {
          return decodeURIComponent(href.slice(pos + mark.length))
            .replace(/ /g, '_');
        }

        return '';
      }

      for (var j = 0; j < links.length; j++) {
        var href = links[j].getAttribute('href') || '';
        var page = titleFromHref(href);

        if (page && page === current) {
          links[j].classList.add('mdtNavActive');

          var n = links[j].parentNode;
          while (n && n !== root) {
            if (n.tagName === 'LI' && n.classList.contains('mdtNavGroup')) {
              setOpen(n, true, false);
              var btn = n.querySelector('button.mdtNavToggle');
              if (btn) btn.setAttribute('aria-expanded', 'true');
            }
            n = n.parentNode;
          }
          break;
        }
      }
    }

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

  // 可折叠标题：在标题旁边加一个展开/收起按钮
  // 用法：把任意标题写成：== 战役区块 <span class="mdtFold"></span> ==
  // 默认收起：== 战役区块 <span class="mdtFold mdtFoldClosed"></span> ==
  mw.loader.using(['mediawiki.util'], function () {
    var skin = String(mw.config.get('skin') || '').toLowerCase();
    if (skin !== 'timeless') return;

    var action = String(mw.config.get('wgAction') || 'view').toLowerCase();
    if (action === 'edit' || action === 'submit') return;

    function findHeading(node) {
      while (node && node !== document.body) {
        if (node.nodeType === 1 && /^H[1-6]$/.test(node.tagName)) return node;
        node = node.parentNode;
      }
      return null;
    }

    var KEY = 'mdtFoldSections';
    var store = {};
    try {
      store = JSON.parse(localStorage.getItem(KEY) || '{}');
    } catch (e) {
      store = {};
    }

    function saveStore() {
      try {
        localStorage.setItem(KEY, JSON.stringify(store));
      } catch (e) {}
    }

    function getHeadingBlock(headingEl) {
      if (!headingEl || !headingEl.parentElement) return headingEl;

      // MediaWiki 新版可能会把 h2 包在 <div class="mw-heading"> 里。
      // 如果不处理这个 wrapper，折叠只会影响 wrapper 内部（看起来“没效果”）。
      var p = headingEl.parentElement;
      if (p.classList && p.classList.contains('mw-heading')) return p;
      return headingEl;
    }

    function getHeadingLevelFromNode(node) {
      if (!node || node.nodeType !== 1) return null;

      if (/^H[1-6]$/.test(node.tagName)) {
        return parseInt(String(node.tagName).slice(1), 10) || 6;
      }

      if (node.classList && node.classList.contains('mw-heading')) {
        var h = node.querySelector('h1,h2,h3,h4,h5,h6');
        if (h && /^H[1-6]$/.test(h.tagName)) {
          return parseInt(String(h.tagName).slice(1), 10) || 6;
        }
      }

      return null;
    }

    function initFoldSections(root) {
      var content = root || document.getElementById('mw-content-text') ||
        document.querySelector('.mw-parser-output') ||
        document.body;
      if (!content) return;

      var nodes = [];
      var markers = content.querySelectorAll('.mdtFold');
      var headingNodes = content.querySelectorAll('h1.mdtFoldHeading,h2.mdtFoldHeading,h3.mdtFoldHeading,h4.mdtFoldHeading,h5.mdtFoldHeading,h6.mdtFoldHeading');
      for (var h = 0; h < headingNodes.length; h++) nodes.push(headingNodes[h]);
      for (var m = 0; m < markers.length; m++) nodes.push(markers[m]);
      if (!nodes.length) return;

      for (var i = 0; i < nodes.length; i++) {
        (function (nodeOrMarker) {
          var marker = null;
          var heading = null;

          if (nodeOrMarker && nodeOrMarker.nodeType === 1 && /^H[1-6]$/.test(nodeOrMarker.tagName)) {
            heading = nodeOrMarker;
          } else {
            marker = nodeOrMarker;
            heading = findHeading(marker);
          }
          if (!heading) return;

          // 兼容：如果是通过 h2.mdtFoldHeading 触发，但里面也有 span.mdtFold，
          // 也要把 marker 当作触发点，这样可以读取默认收起并移除 marker。
          if (!marker) {
            marker = heading.querySelector('.mdtFold');
          }

          var headingBlock = getHeadingBlock(heading);
          if (!headingBlock) return;

          if (headingBlock.getAttribute('data-mdtFoldInit') === '1') return;
          headingBlock.setAttribute('data-mdtFoldInit', '1');

          var level = parseInt(String(heading.tagName).slice(1), 10) || 2;
          var headline = heading.querySelector('.mw-headline');

          // Body: 优先折叠“紧跟着”的图标网格（你这个场景就是 h2 + .mdtIconGrid）。
          // 也支持手动标记：<div class="mdtFoldBody">...</div>
          var body = null;
          var nextEl = headingBlock.nextElementSibling;
          if (nextEl && nextEl.classList) {
            if (nextEl.classList.contains('mdtFoldBody') || nextEl.classList.contains('mdtIconGrid')) {
              body = nextEl;
              body.classList.add('mdtFoldBody');
            }
          }

          // 自动模式：把标题后面直到下一个“同级或更高级标题”的所有节点包起来。
          if (!body) {
            body = document.createElement('div');
            body.className = 'mdtFoldBody';

            var node = headingBlock.nextSibling;
            while (node) {
              var next = node.nextSibling;
              var nodeLevel = getHeadingLevelFromNode(node);
              if (nodeLevel !== null && nodeLevel <= level) break;
              body.appendChild(node);
              node = next;
            }

            headingBlock.parentNode.insertBefore(body, node);
          }

          // Toggle button
          var btn = document.createElement('button');
          btn.type = 'button';
          btn.className = 'mdtFoldToggle';
          btn.setAttribute('aria-label', '展开/收起');
          btn.setAttribute('aria-expanded', 'true');
          btn.title = '展开/收起';
          btn.textContent = '\u25BE';

          if (headline) {
            headline.classList.add('mdtFoldHeadline');
            headline.appendChild(btn);
          } else {
            var wrap = document.createElement('span');
            wrap.className = 'mdtFoldHeadline';

            while (heading.firstChild) {
              wrap.appendChild(heading.firstChild);
            }

            heading.appendChild(wrap);
            wrap.appendChild(btn);
            headline = wrap;
          }

          // Marker/heading default state
          var defaultClosed = false;
          if (marker && marker.classList && marker.classList.contains('mdtFoldClosed')) {
            defaultClosed = true;
          }
          if (heading.classList && heading.classList.contains('mdtFoldClosed')) {
            defaultClosed = true;
          }

          // Remove marker to avoid extra spacing
          if (marker && marker.parentNode) marker.parentNode.removeChild(marker);

          var page = (mw.config.get('wgPageName') || '').replace(/ /g, '_');
          var id = '';
          if (headline && headline.id) id = headline.id;
          if (!id) id = (heading.textContent || '').trim();
          var storageKey = page + '::' + id;

          function setCollapsed(collapsed, persist) {
            headingBlock.classList.toggle('mdtFoldCollapsed', collapsed);
            btn.setAttribute('aria-expanded', String(!collapsed));
            btn.textContent = collapsed ? '\u25B8' : '\u25BE';
            if (body) body.hidden = collapsed;
            if (persist) {
              store[storageKey] = collapsed;
              saveStore();
            }
          }

          var collapsed = false;
          if (typeof store[storageKey] === 'boolean') {
            collapsed = store[storageKey];
          } else if (defaultClosed) {
            collapsed = true;
          }

          setCollapsed(collapsed, false);

          btn.addEventListener('click', function (ev) {
            ev.preventDefault();
            ev.stopPropagation();
            var isCollapsed = headingBlock.classList.contains('mdtFoldCollapsed');
            setCollapsed(!isCollapsed, true);
          });
        })(nodes[i]);
      }
    }

    function runOnPage() {
      initFoldSections(document.getElementById('mw-content-text') ||
        document.querySelector('.mw-parser-output') ||
        document.body);
    }

    // MediaWiki 推荐：内容渲染/替换后触发（兼容预览、部分皮肤/插件）。
    if (mw.hook && window.jQuery) {
      mw.hook('wikipage.content').add(function ($content) {
        initFoldSections($content && $content[0] ? $content[0] : null);
      });
    }

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