@ztree/ztree_v3
Version:
zTree is a multi-functional 'tree plug-ins.' based on jQuery. The main advantages of zTree includes excellent performance, flexible configuration, and the combination of multiple functions.
210 lines (203 loc) • 7.87 kB
HTML
<HTML>
<HEAD>
<TITLE> ZTREE DEMO - beforeDrag / onDrag / beforeDrop / onDrop</TITLE>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="stylesheet" href="../../../css/demo.css" type="text/css">
<link rel="stylesheet" href="../../../css/zTreeStyle/zTreeStyle.css" type="text/css">
<script type="text/javascript" src="../../../js/jquery-1.4.4.min.js"></script>
<script type="text/javascript" src="../../../js/jquery.ztree.core.js"></script>
<script type="text/javascript" src="../../../js/jquery.ztree.excheck.js"></script>
<script type="text/javascript" src="../../../js/jquery.ztree.exedit.js"></script>
<SCRIPT type="text/javascript">
<!--
var setting = {
edit: {
drag: {
autoExpandTrigger: true,
prev: dropPrev,
inner: dropInner,
next: dropNext
},
enable: true,
showRemoveBtn: false,
showRenameBtn: false
},
data: {
simpleData: {
enable: true
}
},
callback: {
beforeDrag: beforeDrag,
beforeDrop: beforeDrop,
beforeDragOpen: beforeDragOpen,
onDrag: onDrag,
onDrop: onDrop,
onExpand: onExpand
}
};
var zNodes =[
{ id:1, pId:0, name:"can drag 1", open:true},
{ id:11, pId:1, name:"can drag 1-1"},
{ id:12, pId:1, name:"can drag 1-2"},
{ id:121, pId:12, name:"can drag 1-2-1"},
{ id:122, pId:12, name:"can drag 1-2-2"},
{ id:123, pId:12, name:"can drag 1-2-3"},
{ id:13, pId:1, name:"can't drag 1-3", open:true, drag:false},
{ id:131, pId:13, name:"can't drag 1-3-1", drag:false},
{ id:132, pId:13, name:"can't drag 1-3-2", drag:false},
{ id:132, pId:13, name:"can't drag 1-3-3", drag:false},
{ id:2, pId:0, name:"can't drag my child out 2", open:true, childOuter:false},
{ id:21, pId:2, name:"can't be parent 2-1", dropInner:false},
{ id:22, pId:2, name:"can't be root 2-2", dropRoot:false},
{ id:23, pId:2, name:"try to drag me 2-3"},
{ id:3, pId:0, name:"can't add/sort my child 3", open:true, childOrder:false, dropInner:false},
{ id:31, pId:3, name:"can drag 3-1"},
{ id:32, pId:3, name:"can drag 3-2"},
{ id:33, pId:3, name:"can drag 3-3"}
];
function dropPrev(treeId, nodes, targetNode) {
var pNode = targetNode.getParentNode();
if (pNode && pNode.dropInner === false) {
return false;
} else {
for (var i=0,l=curDragNodes.length; i<l; i++) {
var curPNode = curDragNodes[i].getParentNode();
if (curPNode && curPNode !== targetNode.getParentNode() && curPNode.childOuter === false) {
return false;
}
}
}
return true;
}
function dropInner(treeId, nodes, targetNode) {
if (targetNode && targetNode.dropInner === false) {
return false;
} else {
for (var i=0,l=curDragNodes.length; i<l; i++) {
if (!targetNode && curDragNodes[i].dropRoot === false) {
return false;
} else if (curDragNodes[i].parentTId && curDragNodes[i].getParentNode() !== targetNode && curDragNodes[i].getParentNode().childOuter === false) {
return false;
}
}
}
return true;
}
function dropNext(treeId, nodes, targetNode) {
var pNode = targetNode.getParentNode();
if (pNode && pNode.dropInner === false) {
return false;
} else {
for (var i=0,l=curDragNodes.length; i<l; i++) {
var curPNode = curDragNodes[i].getParentNode();
if (curPNode && curPNode !== targetNode.getParentNode() && curPNode.childOuter === false) {
return false;
}
}
}
return true;
}
var log, className = "dark", curDragNodes, autoExpandNode;
function beforeDrag(treeId, treeNodes) {
className = (className === "dark" ? "":"dark");
showLog("[ "+getTime()+" beforeDrag ] drag: " + treeNodes.length + " nodes." );
for (var i=0,l=treeNodes.length; i<l; i++) {
if (treeNodes[i].drag === false) {
curDragNodes = null;
return false;
} else if (treeNodes[i].parentTId && treeNodes[i].getParentNode().childDrag === false) {
curDragNodes = null;
return false;
}
}
curDragNodes = treeNodes;
return true;
}
function beforeDragOpen(treeId, treeNode) {
autoExpandNode = treeNode;
return true;
}
function beforeDrop(treeId, treeNodes, targetNode, moveType, isCopy) {
className = (className === "dark" ? "":"dark");
showLog("[ "+getTime()+" beforeDrop ] moveType:" + moveType);
showLog("target: " + (targetNode ? targetNode.name : "root") + " -- is "+ (isCopy==null? "cancel" : isCopy ? "copy" : "move"));
return true;
}
function onDrag(event, treeId, treeNodes) {
className = (className === "dark" ? "":"dark");
showLog("[ "+getTime()+" onDrag ] drag: " + treeNodes.length + " nodes." );
}
function onDrop(event, treeId, treeNodes, targetNode, moveType, isCopy) {
className = (className === "dark" ? "":"dark");
showLog("[ "+getTime()+" onDrop ] moveType:" + moveType);
showLog("target: " + (targetNode ? targetNode.name : "root") + " -- is "+ (isCopy==null? "cancel" : isCopy ? "copy" : "move"))
}
function onExpand(event, treeId, treeNode) {
if (treeNode === autoExpandNode) {
className = (className === "dark" ? "":"dark");
showLog("[ "+getTime()+" onExpand ] " + treeNode.name);
}
}
function showLog(str) {
if (!log) log = $("#log");
log.append("<li class='"+className+"'>"+str+"</li>");
if(log.children("li").length > 8) {
log.get(0).removeChild(log.children("li")[0]);
}
}
function getTime() {
var now= new Date(),
h=now.getHours(),
m=now.getMinutes(),
s=now.getSeconds(),
ms=now.getMilliseconds();
return (h+":"+m+":"+s+ " " +ms);
}
function setTrigger() {
var zTree = $.fn.zTree.getZTreeObj("treeDemo");
zTree.setting.edit.drag.autoExpandTrigger = $("#callbackTrigger").attr("checked");
}
$(document).ready(function(){
$.fn.zTree.init($("#treeDemo"), setting, zNodes);
$("#callbackTrigger").bind("change", {}, setTrigger);
});
//-->
</SCRIPT>
</HEAD>
<BODY>
<h1>Advanced Drag Node Operation</h1>
<h6>[ File Path: exedit/drag_super.html ]</h6>
<div class="content_wrap">
<div class="zTreeDemoBackground left">
<ul id="treeDemo" class="ztree"></ul>
</div>
<div class="right">
<ul class="info">
<li class="title"><h2>1, 'beforeDrag / onDrag'<br/> 'beforeDrop / onDrop' callback function</h2>
<ul class="list">
<li>This Demo shows the configuration parameters to achieve a more flexible use of drag and drop rules, the operation can be compared with "Normal Drag Node Operation" example.</li>
<li>This Demo default allows copy & move.</li>
<li class="highlight_red">This Demo set 'setting.edit.drag.prev / inner / next' as 'function', you can dynamically set according to the node, which can not use beforeDrop callback function, the effect of drag and drop will be better.</li>
<li><p><span class="highlight_red">After be familiar with these configurations, I think you can design a more flexible and rational rules!</span><br/>
<input type="checkbox" id="callbackTrigger" checked /> 拖拽节点时自动展开父节点是否触发 callback<br/>
drag / drop log:<br/>
<ul id="log" class="log"></ul></p></li>
</ul>
</li>
<li class="title"><h2>2, Explanation of setting</h2>
<ul class="list">
<li>Same as 'Normal Drag Node Operation'</li>
</ul>
</li>
<li class="title"><h2>3, Explanation of treeNode</h2>
<ul class="list">
<li>Same as 'Normal Drag Node Operation'</li>
</ul>
</li>
</ul>
</div>
</div>
</BODY>
</HTML>