Add / Delete items
You can freely customize a tree view. This sample illustrates that the tree items can be easily added/deleted dynamically through the graphical user interface. You can insert new sibling or child node as well. This feature allows you to configure a DHTML tree menu effortlessly.
Insert new child item Item label Insert new item next Item label Delete item |
- zeros passed to the function for arguments 4-7 (function to call on select, images) mean the usage of default values for them
- Last argument is a comma delimited string of the following possible value (upper case only):
- SELECT - move selection to this node after inserting
- CALL - call function on select
- TOP - add node to the top position
- CHILD - node has child items
- CHECKED - checkbox is checked (if exists)
</> Source
<!DOCTYPE html>
<html>
<head>
<title>Add / Delete items</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=edge"/>
<link rel="stylesheet" type="text/css" href="../../../codebase/fonts/font_roboto/roboto.css"/>
<link rel="stylesheet" type="text/css" href="../../../codebase/dhtmlx.css"/>
<script src="../../../codebase/dhtmlx.js"></script>
<link rel="stylesheet" type="text/css" href="../common/demo_style.css"/>
<script>
var myTree;
function doOnLoad(){
myTree = new dhtmlXTreeObject("treeboxbox_tree","100%","100%",0);
myTree.setImagePath("../../../skins/web/imgs/dhxtree_web/");
myTree.load("../common/tree.xml");
}
function fixImage(id){
switch(myTree.getLevel(id)){
case 1:
myTree.setItemImage2(id,'folderClosed.gif','folderOpen.gif','folderClosed.gif');
break;
case 2:
myTree.setItemImage2(id,'folderClosed.gif','folderOpen.gif','folderClosed.gif');
break;
case 3:
myTree.setItemImage2(id,'folderClosed.gif','folderOpen.gif','folderClosed.gif');
break;
default:
myTree.setItemImage2(id,'leaf.gif','folderClosed.gif','folderOpen.gif');
break;
}
}
</script>
</head>
<body onload="doOnLoad()">
<h1>Add / Delete items</h1>
<p>You can freely customize a tree view. This sample illustrates that the tree items can be easily
added/deleted dynamically through the graphical user interface.
You can insert new sibling or child node as well.
This feature allows you to configure a DHTML tree menu effortlessly.</p>
<table>
<tr>
<td valign="top">
<div id="treeboxbox_tree" class="tree_demo_samples"></div>
</td>
<td rowspan="2" style="padding-left:25px" valign="top">
<a href="javascript:void(0);" onClick="var d=new Date(); myTree.insertNewItem(myTree.getSelectedItemId(),d.valueOf(),document.getElementById('ed1').value,0,0,0,0,'SELECT'); fixImage(d.valueOf());">Insert new child item</a> Item label <input type="text" value="New item" id="ed1"><br><br>
<a href="javascript:void(0);" onClick="var d=new Date(); myTree.insertNewNext(myTree.getSelectedItemId(),d.valueOf(),document.getElementById('ed2').value,0,0,0,0,'SELECT'); fixImage(d.valueOf());">Insert new item next</a> Item label <input type="text" value="New item" id="ed2"><br><br>
<a href="javascript:void(0);" onClick="myTree.deleteItem(myTree.getSelectedItemId(),true);">Delete item</a><br><br>
</td>
</tr>
</table>
<ul>
<li>zeros passed to the function for arguments 4-7 (function to call on select, images) mean the usage of default values for them</li>
<li>Last argument is a comma delimited string of the following possible value (upper case only):</li>
<li type="circle">SELECT - move selection to this node after inserting</li>
<li type="circle">CALL - call function on select</li>
<li type="circle">TOP - add node to the top position </li>
<li type="circle">CHILD - node has child items</li>
<li type="circle">CHECKED - checkbox is checked (if exists)</li>
</ul>
</body>
</html>
Documentation
Check documentation to learn how to use the components and easily implement them in your applications.