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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>dhtmlxTree sample</title>
<style>
#details span{
font-size:10px;
font-family:arial;
display:block;
}
#details input,#details textarea{
border: 1px solid gray;
}
#actions a{
font-size:12px;
font-family:arial;
margin:5px;
text-decoration:none;
}
#actions {
border-bottom:1px solid blue;
padding:2px;
margin-bottom:10px;
margin-top:10px;
}
#showproc{
border:1px solid;
border-color: lightblue blue blue lightblue;
background-color: #87ceeb;
font-family:arial;
font-size: 14px;
padding: 5px;
position: absolute;
top:100px;
left:600px;
}
</style>
<link rel="STYLESHEET" type="text/css" href="../../css/dhtmlXTree.css">
<script src="../../js/dhtmlXCommon.js"></script>
<script src="../../js/dhtmlXTree.js"></script>
<script>
//tree object
var tree;
//xml loader to load details from database
var xmlLoader = new dtmlXMLLoaderObject(doLoadDetails,window);
//default label for new item
var newItemLabel = "New Item";
//id for new (unsaved) item
var newItemId = "-1";
//load tree on page
function loadTree(){
tree = new dhtmlXTreeObject("treebox","100%","100%",0);
tree.setImagePath("../../imgs/");
tree.enableDragAndDrop(true);
tree.setDragHandler(doOnBeforeDrop);
tree.setOnClickHandler(doOnSelect);
tree.loadXML("treefromdb.php");
status();
}
//add new node next to currently selected (or the first in tree)
function addNewPeer(){
if(tree.getLevel(newItemId)!=0){//check if unsaved item already exists
alert("New Item (unsaved) already exists")
return false;
}
var selectedId = tree.getSelectedItemId();
if(selectedId!=""){
tree.insertNewNext(selectedId,newItemId,newItemLabel,"","","","","SELECT,CALL",0)
}else{
tree.insertNewItem(0,newItemId,newItemLabel,"","","","","SELECT,CALL",0)
}
}
//add new child node to selected item (or the first item in tree)
function addNewChild(){
if(tree.getLevel(newItemId)!=0){//check if unsaved item already exists
alert("New Item (unsaved) already exists")
return false;
}
var selectedId = tree.getSelectedItemId();
if(selectedId!=""){
tree.insertNewItem(selectedId,newItemId,newItemLabel,"","","","","SELECT,CALL",0)
}else{
tree.insertNewItem(0,newItemId,newItemLabel,"","","","","SELECT,CALL",0)
}
}
//delete item (from database)
function deleteNode(){
status(true);
var f = document.forms["detailsForm"];
if(tree.getSelectedItemId()!=newItemId){//delete node from db
if(!confirm("Are you sure you want to delete selected node?"))
return false;
f.action = "deletenode.php"
f.submit()
}else{//delete unsaved node
doDeleteTreeItem(newItemId);
}
}
//remove item from tree
function doDeleteTreeItem(id){
document.getElementById("details").style.visibility = "hidden";
var pId = tree.getParentId(id);
tree.deleteItem(id);
if(pId!="0")
tree.selectItem(pId,true);
status();
}
//save item
function saveItem(){
status(true);
var f = document.forms["detailsForm"];
f.action = "savenode.php";
f.submit();
}
//save moved (droped) item to db. Cancel drop if save failed or item is new
function doOnBeforeDrop(id,parentId){
if(id==newItemId)
return false;
else{
status(true);
var dropSaver = new dtmlXMLLoaderObject(null,null,false);//sync mode
dropSaver.loadXML("dropprocessor.php?id="+id+"&parent_id="+parentId);
var root = dropSaver.getXMLTopNode("succeedded");
var id = root.getAttribute("id");
if(id==-1){
alert("Save failed");
status();
return false;
}else{
if(tree.getSelectedItemId()==id){//update details (really need only parent id)
loadDetails(id);
}
}
status();
return true;
}
}
//update item
function doUpdateItem(id, label){
var f = document.forms["detailsForm"];
f.item_id.value = id;
tree.changeItemId(tree.getSelectedItemId(),id);
tree.setItemText(id,label);
tree.setItemColor(id,"black","white");
status();
}
//what to do when item selected
function doOnSelect(itemId){
if(itemId!=newItemId){
if(tree.getLevel(newItemId)!=0){
if(confirm("Do you want to save changes?")){//save changes to new item
tree.selectItem(newItemId,false)
saveItem();
return;
}
tree.deleteItem(newItemId);
}
}else{//set color to new item label
tree.setItemColor(itemId,"red","pink")
}
loadDetails(itemId);//load details for selected item
}
//send request to the server to load details
function loadDetails(id){
status(true);
xmlLoader.loadXML("loaddetails.php?id="+id);
}
//populate form of details
function doLoadDetails(obj){
var f = document.forms["detailsForm"];
var root = xmlLoader.getXMLTopNode("details")
var id = root.getAttribute("id");
document.getElementById("details").style.visibility = "visible";
if(id==newItemId){
f.item_nm.value = tree.getItemText(id);
f.item_desc.value = "";
}else{
f.item_nm.value = root.getElementsByTagName("name")[0].firstChild.nodeValue;
if(root.getElementsByTagName("desc")[0].firstChild!=null)
f.item_desc.value = root.getElementsByTagName("desc")[0].firstChild.nodeValue;
else
f.item_desc.value = "";
}
f.item_id.value = id
f.item_parent_id.value = tree.getParentId(id);
status();
}
//show status of request on page
function status(fl){
var d = document.getElementById("showproc");
if(fl)
d.style.display = "";
else
d.style.display = "none";
}
</script>
</head>
<body onload="loadTree()" style="height:100%">
<!--- block for displaying status of request on page --->
<div id="showproc" style="display:block;">Processing...</div>
<h1>dhtmlxTree<br>Relationships with database sample (PHP/MySQL)</h1>
<a href="../dhtmlxTree_db_sample.zip">Get zipped code</a>
<br><br>
<li>Create/Update/Delete nodes in tree with simultaneous database update</li>
<li>Drag-n-drop with simultaneous database update</li>
<div id="actions">
<a href="javascript:void(0)" onclick="addNewPeer()">New Peer</a>|<a href="javascript:void(0)" onclick="addNewChild()">New Child</a>|<a href="javascript:void(0)" onclick="deleteNode()">Delete Node</a>
</div>
<table width="100%">
<tr>
<!--- tree area --->
<td width="250px">
<div id="treebox"
style=" width:250px;
height:250px;
background-color:#f5f5f5;
border :1px solid Silver;"/>
</td>
<!--- details area. visible if any node selected --->
<td id="details"
style="padding:5px;visibility:hidden;" valign="top">
<form name="detailsForm" action="" target="actionframe" method="post">
<span>Node ID:</span>
<input name="item_id" type="Text" style="background-color:lightgrey;width:50px;text-align:right;" name="label" readonly="true"><br>
<span>Parent ID:</span>
<input name="item_parent_id" type="Text" style="background-color:lightgrey;width:50px;text-align:right;" name="label" readonly="true"><br>
<span>Label:</span>
<input name="item_nm" type="Text" maxlength="50" name="label" style="width:200px;"><br>
<span>Descripton:</span>
<textarea name="item_desc" id="textarea" style="height:100px;width:200px;"></textarea><br>
<button type="button" onclick="saveItem()" style="width:200px;">Save</button>
</form>
</td>
</tr>
</table>
<!--- iframe for submiting details form to --->
<iframe name="actionframe" id="actionframe" frameborder="0" width="100%" height="0"></iframe>
<h4>© Scand LLC 2005</h4>
</body>
</html>
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