问带有分层数据的复选框

EN

var
     $target = $(event.target),
     isChecked = $target.is(":checked"),
     id = dataContext['id'],
     item = dataView.getItemById(id),
     children = getChildren(id), // helper method to get children for curr
     parent = getParent(id); // helper method to get parent for curr


 dataContext['checked'] = isChecked;
 dataView.updateItem(dataContext['id'], dataContext);

// loop through all children recursively
 while (children && children.length > 0) {
      var item = children.shift();
      item.checked = isChecked;
      dataView.updateItem(item.id, item);
      var _children = getChildren(item.id);
      if (_children && _children.length > 0)
           children = [].slice.call(_children).concat(children);
 }
 // traverse up the hierarchy
 while (parent && parent.id != config.currentUser) {
        if (!isChecked) {
             parent.checked = isChecked
             dataView.updateItem(parent.id, parent);
        } else {
             // if all siblings are checked, change state of parent.
              var siblingsChecked = true;
              $.each(getChildren(parent.id), function (index, item) {
              if (!item.checked)
                    siblingsChecked = false;
              }); 
              if (siblingsChecked) {
                   parent.checked = isChecked;
                   dataView.updateItem(parent.id, parent);
              }
         }
          parent = dataView.getItemById(parent.parentId);
  }  

dataView.getItemMetadata = function (index) {
     var item = dataView.getItem(index);
     if (item.checked === true) {
         return { cssClasses: 'slick-row-selected' };
      }
};