MediaWiki:Common.js：修訂版本之間的差異

/* 此處的JavaScript將載入於所有用戶每一個頁面。 */
mw.loader.load( 'jquery.ui.button' ); function my_accordion() {
 
  jQuery( "#button" ).accordion({ collapsible: true, active: false });
} jQuery( my_button);
 
 
 /* 1. 功能設定 */
    window.JSConfig = window.JSconfig || {};
    window.JSConfig.collapseText = wgULS('隐藏▲', '隱藏▲'); // 指示折叠收缩的默认文字
    window.JSConfig.expandText = wgULS('显示▼', '顯示▼'); // 指示折叠展开的默认文字
    window.JSConfig.autoCollapse = 2; // 文章少于 autoCollapse 个折叠块时，不自动折叠
    //window.JSConfig.SpecialSearchEnhancedDisabled=false; // 是否禁止增加其它搜索引擎
 
    /* 2. 用jQuery实现的getElementsByClassName（需不需要返回DOM对象？） */
    window.getElementsByClassName = function (elm, tag, className) {
      return $(tag + '.' + className, elm);
    };
 
    /* 3. 遍历 */
    window.applyEach = function (callback, array) {
      var i = 0,
        j = array.length;
      while (i < j) {
        callback(array[i++]);
      }
    };
 
    /* 4. 移動元素 */
    window.elementMoveto = function (node, refNode, pos) { // 默认位置为refNode前
      if (node && refNode) {
        if (pos && pos == 'after') {
          $(refNode).after(node);
        } else {
          $(refNode).before(node);
        }
      }
    };
 
    /* 5. 创建元素 */
    window.createElement = function (tag, children, props) {
      var element = document.createElement(tag);
      if (!(children instanceof Array)) {
        children = [children];
      }
      applyEach(function (child) {
        if (typeof child == 'string') {
          child = document.createTextNode(child);
        }
        if (child) {
          element.appendChild(child);
        }
      }, children);
      if (typeof props == 'object') {
        for (var k in props) {
          switch (k) {
          case 'styles':
            var styles = props.styles;
            for (var s in styles) {
              element.style[s] = styles[s];
            }
            break;
          case 'events':
            var events = props.events;
            for (var e in events) {
              addHandler(element, e, events[e]);
            }
            break;
          case 'class':
            element.className = props[k];
            break;
          default:
            element.setAttribute(k, props[k]);
          }
        }
      }
      return element;
    };
 
    /* 测试元素中是否含有指定的样式 */
    window.hasClass = function (elem, cls) {
      return $(elem).hasClass(cls);
    };
 
    /** 增加摺疊功能
     *
     * 实现div.NavFrame和table.collapsible的可折叠性。
     * JSConfig的collapseText、expandText、autoCollapse属性定义默认文字和默认最少自动折叠块
     * Maintainers: User:fdcn
     */
    function cancelBubble(e) {
      e = e || window.event;
      if (e.stopPropagation) {
        e.stopPropagation();
      } else {
        e.cancelBubble = true;
      }
    }
 
    function createToggleButton(head) {
      var parent = head;
      if (head.tagName.toLowerCase() == 'tr') { // 对表格特别处理
        if (head.getElementsByTagName("th").length) {
          parent = head.cells[parent.cells.length - 1];
        } else {
          return;
        }
      }
      var textS, textH, button = getElementsByClassName(head, "span", "NavToggle")[0];
      if (button) {
        parent = button.parentNode;
      } else {
        textS = createElement("span", [JSConfig.expandText], {
          'class': 'toggleShow'
        });
        textH = createElement("span", [JSConfig.collapseText], {
          'class': 'toggleHide'
        });
        button = createElement("span", [textS, textH], {
          'class': 'NavToggle collapseButton'
        });
      }
      button.style.visibility = "visible";
      head.className += " uncollapse toggleHotspot";
      parent.insertBefore(button, parent.childNodes[0]);
    }
    window.wgCollapse = function (head, container, defaultCollapse) {
      if (head) {
        createToggleButton(head);
      }
      var self = this;
      this.state = 0;
      this.container = container;
      applyEach(function (h) {
        if (h.nodeType == 1 && !hasClass(h, "uncollapse") && !hasClass(h, "toggleShow") && !hasClass(h, "toggleHide")) {
          h.className += " toggleHide";
        }
      }, defaultCollapse); // 预设的隐藏元素
 
 
      function getArray(clsname) {
        var r = [],
          i = 0,
          e, ea = getElementsByClassName(container, "*", clsname);
        while (e = ea[i++]) {
          var parent = e.parentNode;
          while (!hasClass(parent, 'NavFrame') && !hasClass(parent, 'collapsible')) {
            parent = parent.parentNode;
          }
          if (parent == container) {
            r.push(e);
          }
        }
        return r;
      }
      var toggleA = getArray("toggleShow");
      var toggleB = getArray("toggleHide");
      var hotspots = getArray("toggleHotspot");
 
      function _toggle(list, state) {
        var i = 0,
          e;
        while (e = list[i++]) {
          e.style.display = state ? e.showStyle || '' : 'none';
        }
      }
      this.toggle = function (state) {
        self.state = (typeof state == 'undefined') ? 1 - self.state : state;
        _toggle(toggleA, self.state);
        _toggle(toggleB, 1 - self.state);
      }
      var i = 0,
        h;
      while (h = hotspots[i++]) {
        applyEach(function (link) {
          addClickHandler(link, cancelBubble);
        }, h.getElementsByTagName("A"));
        h.style.cursor = "pointer";
        $(h).attr('tabindex', '0').keydown(function (event) {
          if (event.which == 13) { // Enter
            self.toggle();
          }
        });
        addClickHandler(h, function () {
          self.toggle();
        });
      }
    };
 
    $(function () {
      if (!window.disableCollapse) {
        // init
        var items = [];
        applyEach(function (NavFrame) {
          var i = 0,
            child = NavFrame.childNodes,
            head;
          while (head = child[i++]) {
            if (head.className && hasClass(head, "NavHead")) {
              break;
            }
          }
          items.push(new wgCollapse(head, NavFrame, NavFrame.childNodes));
        }, getElementsByClassName(document, "div", "NavFrame"));
        applyEach(function (table) {
          var rows = table.rows;
          items.push(new wgCollapse(rows[0], table, rows));
        }, getElementsByClassName(document, "table", "collapsible"));
        var item, i = 0,
          count = items.length;
        while (item = items[i++]) {
          item.toggle(
          hasClass(item.container, "collapsed") || (count >= JSConfig.autoCollapse && hasClass(item.container, "autocollapse")));
        }
      }
    });