1 <div class="apiDetail">
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3 <h2><span>Boolean / Function(treeId, treeNodes, targetNode)</span><span class="path">setting.edit.drag.</span>inner</h2>
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4 <h3>Overview<span class="h3_info">[ depends on <span class="highlight_green">jquery.ztree.exedit</span> js ]</span></h3>
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7 <div class="longdesc">
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8 <p>When drag one node to the target node, set whether to allow the node to be the target node's child. It is valid when <span class="highlight_red">[setting.edit.enable = true]</span></p>
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9 <p class="highlight_red">If the target node is root, so zTree will only trigger 'inner' and not trigger 'prev / next'.</p>
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10 <p class="highlight_red">This function mainly for the appropriate limit drag and drop (auxiliary arrow), it requires a combination of 'prev, next' together, to achieve full functionality.</p>
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11 <p>Default: true</p>
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14 <h3>Boolean Format</h3>
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16 <p> true means: allow the node to be the target node's child.</p>
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17 <p> false means: don't allow the node to be the target node's child.</p>
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19 <h3>Function Parameter Descriptions</h3>
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21 <h4><b>treeId</b><span>String</span></h4>
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22 <p>zTree unique identifier: <b class="highlight_red">treeId</b>, easy for users to control.</p>
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23 <h4 class="topLine"><b>treeNodes</b><span>Array(JSON)</span></h4>
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24 <p>A collection of the nodes which has been dragged</p>
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25 <h4 class="topLine"><b>targetNode</b><span>JSON</span></h4>
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26 <p>JSON data object of the target node which treeNodes are draged over.</p>
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27 <p class="highlight_red">If the treeNodes will be root node, the targetNode = null</p>
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28 <h4 class="topLine"><b>Return </b><span>Boolean</span></h4>
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29 <p>return true or false</p>
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31 <h3>Examples of setting & function</h3>
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32 <h4>1. disable to drag the node to the target node's inner.</h4>
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33 <pre xmlns=""><code>var setting = {
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44 <h4>2. disable to drag the node to be root node's child.</h4>
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45 <pre xmlns=""><code>function canInner(treeId, nodes, targetNode) {
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46 return !(targetNode && targetNode.level === 0);
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