<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>DHTML Tree samples. dhtmlXTree - Action handlers</title>
</head>
<style>
body {font-size:12px}
.{font-family:arial;font-size:12px}
h1 {cursor:hand;font-size:16px;margin-left:10px;line-height:10px}
xmp {color:green;font-size:12px;margin:0px;font-family:courier;background-color:#e6e6fa;padding:2px}
</style>
<body>
<h1>Action handlers</h1>
<link rel="STYLESHEET" type="text/css" href="../css/dhtmlXTree.css">
<script src="../js/dhtmlXCommon.js"></script>
<script src="../js/dhtmlXTree.js"></script>
<table>
<tr>
<td>
<div id="treeboxbox_tree" style="width:250; height:218;background-color:#f5f5f5;border :1px solid Silver;; overflow:auto;"/>
</td>
<td rowspan="2" style="padding-left:25" valign="top">
</td>
</tr>
<tr>
<td> </td>
</tr>
</table>
<hr>
<XMP>
<div id="treeBox" style="width:200;height:200"></div>
<script>
tree=new dhtmlXTreeObject(document.getElementById('treeBox'),"100%","100%",0);
...
tree.setDragHandler(onDrop);//set function object to call on drop
tree.setOnClickHandler(onNodeSelect);//set function object to call on node select
tree.setOnOpenHandler(aFunc);//set function to call on open/close node
tree.setOnCheckHandler(aFunc);//set function to call on open/close node
tree.setOnDblClickHandler(aFunc);//set function to call on dbl click
</script>
</XMP>
<li>Selected node ID will be passed to function specified as argument for setDefaultAction(funcObj)</li>
<li>Dropped node ID and new parent node ID will be passed to function specified as argument for setDragFunction(funcObj)</li>
<li>node ID will be passed to the function specified as argument for setOpenAction(aFunc)</li>
<li>node ID will be passed to the function specified as argument for setDblClickAction(aFunc)</li>
<script>
function tonclick(id){
alert("Item "+tree.getItemText(id)+" was selected");
};
function tondblclick(id){
alert("Item "+tree.getItemText(id)+" was doubleclicked");
};
function tondrag(id,id2){
return confirm("Do you want to move node "+tree.getItemText(id)+" to item "+tree.getItemText(id2)+"?");
};
function tonopen(id,mode){
return confirm("Do you want to "+(mode>0?"close":"open")+" node "+tree.getItemText(id)+"?");
};
function toncheck(id,state){
alert("Item "+tree.getItemText(id)+" was " +((state)?"checked":"unchecked"));
};
tree=new dhtmlXTreeObject("treeboxbox_tree","100%","100%",0);
tree.setImagePath("../imgs/");
tree.enableCheckBoxes(1);
tree.enableDragAndDrop(1);
tree.setOnOpenHandler(tonopen);
tree.setOnClickHandler(tonclick);
tree.setOnCheckHandler(toncheck);
tree.setOnDblClickHandler(tondblclick);
tree.setDragHandler(tondrag);
tree.loadXML("tree3.xml");
</script>
<br><br>
</body>
</html>