No Description

setting.callback.beforeRemove.html 1.2KB

12345678910111213141516171819202122232425262728293031323334353637
  1. <div class="apiDetail">
  2. <div>
  3. <h2><span>Function(treeId, treeNode)</span><span class="path">setting.callback.</span>beforeRemove</h2>
  4. <h3>概述<span class="h3_info">[ 依赖 <span class="highlight_green">jquery.ztree.exedit</span> 扩展 js ]</span></h3>
  5. <div class="desc">
  6. <p></p>
  7. <div class="longdesc">
  8. <p>用于捕获节点被删除之前的事件回调函数,并且根据返回值确定是否允许删除操作</p>
  9. <p>默认值:null</p>
  10. </div>
  11. </div>
  12. <h3>Function 参数说明</h3>
  13. <div class="desc">
  14. <h4><b>treeId</b><span>String</span></h4>
  15. <p>对应 zTree 的 <b class="highlight_red">treeId</b>,便于用户操控</p>
  16. <h4 class="topLine"><b>treeNode</b><span>JSON</span></h4>
  17. <p>将要删除的节点 JSON 数据对象</p>
  18. <h4 class="topLine"><b>返回值</b><span>Boolean</span></h4>
  19. <p>返回值是 true / false</p>
  20. <p class="highlight_red">如果返回 false,zTree 将不删除节点,也无法触发 onRemove 事件回调函数</p>
  21. </div>
  22. <h3>setting & function 举例</h3>
  23. <h4>1. 禁止全部删除操作</h4>
  24. <pre xmlns=""><code>function zTreeBeforeRemove(treeId, treeNode) {
  25. return false;
  26. }
  27. var setting = {
  28. edit: {
  29. enable: true
  30. },
  31. callback: {
  32. beforeRemove: zTreeBeforeRemove
  33. }
  34. };
  35. ......</code></pre>
  36. </div>
  37. </div>