JSTree字体很棒的复选框

Question

我有一个使用jsTree的树结构，如下所示：

<div id="SampleContainer">
<ul> 
  <li>
    Top 1
    <ul>
      <li>
        Sub 1
        <ul>
          <li>
            A
          </li>
          <li>
            B
          </li>

        </ul>
      </li>
      <li>
        Sub 2
        <ul>
          <li>
            A
          </li>
          <li>
            B
          </li>

        </ul>
      </li>
    </ul>
  </li>

</ul>
</div>

我想在复选框中添加font-awesome图标：

我试过这样做：

$(document).ready(function(){
   $("#SampleContainer").jstree({
    "plugins": ["checkbox"],
    core: {
      "themes": {
        "icons": false,
        "responsive": true
      }
    }
  });
    $('#SampleContainer').on('ready.jstree click', function (e, data) {     
        $('a > i.jstree-checkbox').removeClass('jstree-icon jstree-checkbox').addClass('fa fa-square-o');

    $('a > i.jstree-clicked').removeClass('jstree-icon jstree-checkbox').addClass('fa fa-check-square');
      });     
       });

这个图标＆＃39; fa fa-square-o＆＃39;来了。无法看到onclick＆＃39; fa fa-check-square＆＃39;。！

样本设计：

开发屏幕：

有没有人对这个问题有所了解？

Answer 1

我添加了一个新的toggleCheckClasses函数，根据复选框的状态添加/删除正确的fa类。我将此函数附加到treejs-ready / click处理程序中的树节点。

编辑：我添加了子元素类的切换

$(document).ready(function() {
    $("#SampleContainer").jstree({
        "plugins": ["checkbox"],
        core: {
            "themes": {
                "icons": false,
                "responsive": true
            }
        }
    });
    $('#SampleContainer').on('ready.jstree click', function(e, data) {
        $('a > i.jstree-checkbox')
            .removeClass('jstree-icon jstree-checkbox') // removing jstree classes
            .addClass('fa fa-square-o') // adding the fa non-checked checkbox class
            .on('click', function() { // attaching the handler that toggles the checked / unchecked class
                toggleCheckClasses($(this), $(this).hasClass('fa-square-o'));
            });
    });

    function toggleCheckClasses(element, show) {
        if (show) {
            element.removeClass('fa-square-o');
            element.addClass('fa-check-square-o');
        } else {
            element.removeClass('fa-check-square-o');
            element.addClass('fa-square-o');
        }

        var children = element.parent().siblings(".jstree-children").find(".jstree-anchor .fa");

        children.each(function() {
            toggleCheckClasses($(this), show);
        });

    }

});

<link href="https://cdnjs.cloudflare.com/ajax/libs/jstree/3.3.5/themes/default/style.min.css" rel="stylesheet"/>
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.css" rel="stylesheet"/>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jstree/3.3.5/jstree.min.js"></script>
<div id="SampleContainer">
<ul> 
  <li>
    Top 1
    <ul>
      <li>
        Sub 1
        <ul>
          <li>
            A
          </li>
          <li>
            B
          </li>

        </ul>
      </li>
      <li>
        Sub 2
        <ul>
          <li>
            A
          </li>
          <li>
            B
          </li>

        </ul>
      </li>
    </ul>
  </li>

</ul>
</div>