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| | | <div class="apiDetail"> |
| | | <div> |
| | | <h2><span>Function(treeId, treeNode)</span><span class="path">setting.callback.</span>beforeRemove</h2> |
| | | <h3>Overview<span class="h3_info">[ depends on <span class="highlight_green">jquery.ztree.exedit</span> js ]</span></h3> |
| | | <div class="desc"> |
| | | <p></p> |
| | | <div class="longdesc"> |
| | | <p>Specify callback function to be called before remove node, The return value controls the allow to remove node.</p> |
| | | <p>Default: null</p> |
| | | </div> |
| | | </div> |
| | | <h3>Function Parameter Descriptions</h3> |
| | | <div class="desc"> |
| | | <h4><b>treeId</b><span>String</span></h4> |
| | | <p>zTree unique identifier: <b class="highlight_red">treeId</b>.</p> |
| | | <h4 class="topLine"><b>treeNode</b><span>JSON</span></h4> |
| | | <p>JSON data object of the node to be removed.</p> |
| | | <h4 class="topLine"><b>Return </b><span>Boolean</span></h4> |
| | | <p>return true or false</p> |
| | | <p class="highlight_red">If return false, zTree will not remove node, and will not trigger the 'onRemove' callback.</p> |
| | | </div> |
| | | <h3>Examples of setting & function</h3> |
| | | <h4>1. disable to remove node</h4> |
| | | <pre xmlns=""><code>function myBeforeRemove(treeId, treeNode) { |
| | | return false; |
| | | } |
| | | var setting = { |
| | | edit: { |
| | | enable: true |
| | | }, |
| | | callback: { |
| | | beforeRemove: myBeforeRemove |
| | | } |
| | | }; |
| | | ......</code></pre> |
| | | </div> |
| | | </div> |