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authorshentao <shentao@chinamobile.com>2017-04-19 18:24:26 +0800
committershentao <shentao@chinamobile.com>2017-04-19 18:24:40 +0800
commitfbbf467696810b7ca2ddac6de0d076af424a2ef0 (patch)
tree8aec68690a7d9f2ca34c3fd589f436a36bfffee3 /common/src/main/webapp/thirdparty/zTree/api/en/setting.callback.beforeDrop.html
parentaba151e0a874c2f9caa344da528646525e21c064 (diff)
integrated monitor and performance functions
Issue-id: CLIENT-175 Change-Id: I07adc77afd9f62f615790896c9241f8430583398 Signed-off-by: shentao <shentao@chinamobile.com>
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+<div class="apiDetail">
+<div>
+ <h2><span>Function(treeId, treeNodes, targetNode, moveType, isCopy)</span><span class="path">setting.callback.</span>beforeDrop</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>Used to capture the event before drag-drop node, zTree based on return value to determine whether to allow drag-drop node.</p>
+ <p>Default: null</p>
+ <p class="highlight_red">When drop the nodes, if the dragged nodes is not in a valid location, this callback will not triggered, and will restore the original position.</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>, the tree is what the targetNode is belong to, easy for users to control.</p>
+ <h4 class="topLine"><b>treeNodes</b><span>Array(JSON)</span></h4>
+ <p>A collection of the nodes which has been dragged</p>
+ <p class="highlight_red">The treeNodes are the data of the nodes which has been dragged, when copy nodes or move nodes.</p>
+ <h4 class="topLine"><b>targetNode</b><span>JSON</span></h4>
+ <p>JSON data object of the target node which treeNodes are drag-dropped.</p>
+ <p class="highlight_red">If the treeNodes will be root node, the targetNode = null</p>
+ <h4 class="topLine"><b>moveType</b><span>String</span></h4>
+ <p>the relative position of move to the target node</p>
+ <p class="highlight_red">"inner": will be child of targetNode</p>
+ <p class="highlight_red">"prev": will be sibling node, and be in front of targetNode</p>
+ <p class="highlight_red">"next": will be sibling node, and be behind targetNode</p>
+ <h4 class="topLine"><b>isCopy</b><span>Boolean</span></h4>
+ <p>the flag used to judge copy node or move node</p>
+ <p class="highlight_red">true: copy node; false: move node</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 restore the dragged nodes, and will not trigger the 'onDrop' callback.</p>
+ </div>
+ <h3>Examples of setting & function</h3>
+ <h4>1. disable to drag nodes to root</h4>
+ <pre xmlns=""><code>function zTreeBeforeDrop(treeId, treeNodes, targetNode, moveType) {
+ return !(targetNode == null || (moveType != "inner" && !targetNode.parentTId));
+};
+var setting = {
+ edit: {
+ enable: true
+ },
+ callback: {
+ beforeDrop: zTreeBeforeDrop
+ }
+};
+......</code></pre>
+</div>
+</div> \ No newline at end of file