Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title></title>
<style type="text/css">
/*<![CDATA[*/
.treeview ul{ /*CSS for Simple Tree Menu*/
margin: 0;
padding: 0;
}
.treeview li{ /*Style for LI elements in general (excludes an LI that contains sub lists)*/
background: white url(http://www.dynamicdrive.com/dynamicindex1/list.gif) no-repeat left center;
list-style-type: none;
padding-left: 22px;
margin-bottom: 3px;
}
.treeview li.submenu{ /* Style for LI that contains sub lists (other ULs). */
background: white url(http://www.dynamicdrive.com/dynamicindex1/closed.gif) no-repeat left 1px;
cursor: hand !important;
cursor: pointer !important;
}
.treeview li.submenu ul{ /*Style for ULs that are children of LIs (submenu) */
display: none; /*Hide them by default. Don't delete. */
}
.treeview .submenu ul li{ /*Style for LIs of ULs that are children of LIs (submenu) */
cursor: default;
}
.hilight {
color:red;
}
/*]]>*/
</style>
<script type="text/javascript">
/*<![CDATA[*/
var persisteduls=new Object()
var ddtreemenu=new Object()
ddtreemenu.closefolder="http://www.dynamicdrive.com/dynamicindex1/closed.gif" //set image path to "closed" folder image
ddtreemenu.openfolder="http://www.dynamicdrive.com/dynamicindex1/open.gif" //set image path to "open" folder image
//////////No need to edit beyond here///////////////////////////
ddtreemenu.createTree=function(treeid, enablepersist, persistdays){
var ultags=document.getElementById(treeid).getElementsByTagName("ul")
if (typeof persisteduls[treeid]=="undefined")
persisteduls[treeid]=(enablepersist==true && ddtreemenu.getCookie(treeid)!="")? ddtreemenu.getCookie(treeid).split(",") : ""
for (var i=0; i<ultags.length; i++)
ddtreemenu.buildSubTree(treeid, ultags[i], i)
if (enablepersist==true){ //if enable persist feature
var durationdays=(typeof persistdays=="undefined")? 1 : parseInt(persistdays)
ddtreemenu.dotask(window, function(){ddtreemenu.rememberstate(treeid, durationdays)}, "unload") //save opened UL indexes on body unload
}
}
ddtreemenu.buildSubTree=function(treeid, ulelement, index){
ulelement.parentNode.className="submenu"
if (typeof persisteduls[treeid]=="object"){ //if cookie exists (persisteduls[treeid] is an array versus "" string)
if (ddtreemenu.searcharray(persisteduls[treeid], index)){
ulelement.setAttribute("rel", "open")
ulelement.style.display="block"
ulelement.parentNode.style.backgroundImage="url("+ddtreemenu.openfolder+")"
}
else
ulelement.setAttribute("rel", "closed")
} //end cookie persist code
else if (ulelement.getAttribute("rel")==null || ulelement.getAttribute("rel")==false) //if no cookie and UL has NO rel attribute explicted added by user
ulelement.setAttribute("rel", "closed")
else if (ulelement.getAttribute("rel")=="open") //else if no cookie and this UL has an explicit rel value of "open"
ddtreemenu.expandSubTree(treeid, ulelement) //expand this UL plus all parent ULs (so the most inner UL is revealed!)
ulelement.parentNode.onclick=function(e){
var submenu=this.getElementsByTagName("ul")[0]
if (submenu.getAttribute("rel")=="closed"){
submenu.style.display="block"
submenu.setAttribute("rel", "open")
ulelement.parentNode.style.backgroundImage="url("+ddtreemenu.openfolder+")"
}
else if (submenu.getAttribute("rel")=="open"){
submenu.style.display="none"
submenu.setAttribute("rel", "closed")
ulelement.parentNode.style.backgroundImage="url("+ddtreemenu.closefolder+")"
ulelement.className='';
}
ddtreemenu.preventpropagate(e)
}
ulelement.onclick=function(e){
ddtreemenu.preventpropagate(e)
}
}
ddtreemenu.expandSubTree=function(treeid, ulelement){ //expand a UL element and any of its parent ULs
var rootnode=document.getElementById(treeid)
var currentnode=ulelement
currentnode.style.display="block"
currentnode.parentNode.style.backgroundImage="url("+ddtreemenu.openfolder+")"
while (currentnode!=rootnode){
if (currentnode.tagName=="UL"){ //if parent node is a UL, expand it too
currentnode.style.display="block"
currentnode.setAttribute("rel", "open") //indicate it's open
currentnode.parentNode.style.backgroundImage="url("+ddtreemenu.openfolder+")"
}
currentnode=currentnode.parentNode
}
}
ddtreemenu.flatten=function(treeid, action){ //expand or contract all UL elements
var ultags=document.getElementById(treeid).getElementsByTagName("ul")
for (var i=0; i<ultags.length; i++){
ultags[i].style.display=(action=="expand")? "block" : "none"
var relvalue=(action=="expand")? "open" : "closed"
ultags[i].setAttribute("rel", relvalue)
ultags[i].parentNode.style.backgroundImage=(action=="expand")? "url("+ddtreemenu.openfolder+")" : "url("+ddtreemenu.closefolder+")"
}
}
ddtreemenu.rememberstate=function(treeid, durationdays){ //store index of opened ULs relative to other ULs in Tree into cookie
var ultags=document.getElementById(treeid).getElementsByTagName("ul")
var openuls=new Array()
for (var i=0; i<ultags.length; i++){
if (ultags[i].getAttribute("rel")=="open")
openuls[openuls.length]=i //save the index of the opened UL (relative to the entire list of ULs) as an array element
}
if (openuls.length==0) //if there are no opened ULs to save/persist
openuls[0]="none open" //set array value to string to simply indicate all ULs should persist with state being closed
ddtreemenu.setCookie(treeid, openuls.join(","), durationdays) //populate cookie with value treeid=1,2,3 etc (where 1,2... are the indexes of the opened ULs)
}
////A few utility functions below//////////////////////
ddtreemenu.getCookie=function(Name){ //get cookie value
var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
if (document.cookie.match(re)) //if cookie found
return document.cookie.match(re)[0].split("=")[1] //return its value
return ""
}
ddtreemenu.setCookie=function(name, value, days){ //set cookei value
var expireDate = new Date()
//set "expstring" to either future or past date, to set or delete cookie, respectively
var expstring=expireDate.setDate(expireDate.getDate()+parseInt(days))
document.cookie = name+"="+value+"; expires="+expireDate.toGMTString()+"; path=/";
}
ddtreemenu.searcharray=function(thearray, value){ //searches an array for the entered value. If found, delete value from array
var isfound=false
for (var i=0; i<thearray.length; i++){
if (thearray[i]==value){
isfound=true
thearray.shift() //delete this element from array for efficiency sake
break
}
}
return isfound
}
ddtreemenu.preventpropagate=function(e){ //prevent action from bubbling upwards
if (typeof e!="undefined")
e.stopPropagation()
else
event.cancelBubble=true
}
ddtreemenu.dotask=function(target, functionref, tasktype){ //assign a function to execute to an event handler (ie: onunload)
var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
if (target.addEventListener)
target.addEventListener(tasktype, functionref, false)
else if (target.attachEvent)
target.attachEvent(tasktype, functionref)
}
/*]]>*/
</script>
<script type="text/javascript">
/*<![CDATA[*/
function Search(ipid,treeid,cls){
var txt=document.getElementById(ipid).value.toLowerCase(),tree=document.getElementById(treeid),uls=tree.getElementsByTagName('UL'),lis,clds,litxt,z0=0,z0a,z0b;
for (;z0<uls.length;z0++){
lis=uls[z0].getElementsByTagName('LI');
for (z0a=0;z0a<lis.length;z0a++){
clds=lis[z0a].childNodes;
for (z0b=0;z0b<clds.length;z0b++){
if (clds[z0b].nodeType==3){
if (clds[z0b].data.toLowerCase().match(txt)){
uls[z0].className=cls;
ddtreemenu.expandSubTree(treeid,uls[z0]);
}
}
}
}
}
}
/*]]>*/
</script>
</head>
<body>
<input id="search" value="tom" /><input type="button" name="" value="Search" onmouseup="Search('search','treemenu1','hilight');"/>
<h4>Simple Tree Menu #1:</h4>
<a href="javascript:ddtreemenu.flatten('treemenu1', 'expand')">Expand All</a> | <a href="javascript:ddtreemenu.flatten('treemenu1', 'contact')">Contact All</a>
<ul id="treemenu1" class="treeview">
<li>Item 1</li>
<li>Item 2</li>
<li>Folder 1
<ul >
<li>tom</li>
<li>Sub Item 1.2</li>
</ul>
</li>
<li>Item 3</li>
<li>Folder 2
<ul>
<li>Sub Item 2.1</li>
<li>Folder 2.1
<ul>
<li>Sub Item 2.1.1</li>
<li>joe</li>
</ul>
</li>
</ul>
</li>
<li>Item 4</li>
</ul>
<script type="text/javascript">
//ddtreemenu.createTree(treeid, enablepersist, opt_persist_in_days (default is 1))
ddtreemenu.createTree("treemenu1", false)
</script>
</body>
</html>
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