//****************************************************************
// Keep this copyright notice:
// This copy of the script is the property of the owner of the
// particular web site you were visiting.
// Do not download the script's files from there.
// For a free download and full instructions go to:
// http://www.treeview.net
//****************************************************************
// Log of changes:
//
// 29 Aug 02 - Fine tune 'supportDeferral' for IE4 and IE Mac
// 25 Aug 02 - Fixes: STARTALLOPEN, and multi-page frameless
// 09 Aug 02 - Fix repeated folder on Mozilla 1.x
// 31 Jul 02 - VERSION 4.1 - Dramatic speed increase for trees
// with hundreds or thousands of nodes; changes to the control
// flags of the gLnk function
//
// -------------------------------------------------------------------
//
// 18 Jul 02 - Changes in pre-load images function
//
// 13 Jun 02 - Add ICONPATH var to allow for gif subdir
//
// 20 Apr 02 - Improve support for frame-less layout
//
// 07 Apr 02 - Minor changes to support server-side dynamic feeding
// (Online Bookmarks Manager demo)
//
// 10 Aug 01 - Support for Netscape 6
//
// ....
// Definition of class Folder
// *****************************************************************
function Folder(folderDescription, hreference) //constructor
{
//constant data
this.desc = folderDescription
this.hreference = hreference
this.id = -1
this.navObj = 0
this.iconImg = 0
this.nodeImg = 0
this.isLastNode = 0
this.iconSrc = ICONPATH + "ftv2folderopen.gif"
this.iconSrcClosed = ICONPATH + "ftv2folderclosed.gif"
this.children = new Array
this.nChildren = 0
this.level = 0
this.leftSideCoded = ""
this.isLastNode=false
//dynamic data
this.isOpen = false
this.isLastOpenedFolder = false
this.isRendered = 0
//methods
this.initialize = initializeFolder
this.setState = setStateFolder
this.addChild = addChild
this.createIndex = createEntryIndex
this.escondeBlock = escondeBlock
this.esconde = escondeFolder
this.mostra = mostra
this.renderOb = drawFolder
this.totalHeight = totalHeight
this.subEntries = folderSubEntries
this.linkHTML = linkFolderHTML
this.blockStartHTML = blockStartHTML
this.blockEndHTML = blockEndHTML
this.nodeImageSrc = nodeImageSrc
this.iconImageSrc = iconImageSrc
}
function initializeFolder(level, lastNode, leftSide)
{
var j=0
var i=0
nc = this.nChildren
this.createIndex()
this.level = level
this.leftSideCoded = leftSide
if (browserVersion == 0 || STARTALLOPEN==1)
this.isOpen=true;
if (level>0)
if (lastNode) //the last child in the children array
leftSide = leftSide + "0"
else
leftSide = leftSide + "1"
this.isLastNode = lastNode
if (nc > 0)
{
level = level + 1
for (i=0 ; i < this.nChildren; i++)
{
if (i == this.nChildren-1)
this.children[i].initialize(level, 1, leftSide)
else
this.children[i].initialize(level, 0, leftSide)
}
}
}
function drawFolder(insertAtObj)
{
var nodeName = ""
var auxEv = ""
var docW = ""
var leftSide = leftSideHTML(this.leftSideCoded)
if (browserVersion > 0)
auxEv = ""
else
auxEv = ""
nodeName = this.nodeImageSrc()
if (this.level>0)
if (this.isLastNode) //the last child in the children array
leftSide = leftSide + "
" + auxEv + " | "
else
leftSide = leftSide + "" + auxEv + " | "
var idParam = "id=\'folder" + this.id + "\'"
this.isRendered = 1
if (browserVersion == 2) {
if (!doc.yPos)
doc.yPos=20
}
docW = this.blockStartHTML("folder");
docW = docW + "" + leftSide + "";
if (USEICONS)
{
docW = docW + this.linkHTML()
docW = docW + ""
}
else
{
docW = docW + ""
}
if (WRAPTEXT)
docW = docW + " | "
else
docW = docW + " | "
if (USETEXTLINKS)
{
docW = docW + this.linkHTML()
docW = docW + this.desc + ""
}
else
docW = docW + this.desc
docW = docW + " | "
docW = docW + this.blockEndHTML()
if (insertAtObj == null)
{
if (supportsDeferral) {
doc.write("") //transition between regular flow HTML, and node-insert DOM DHTML
insertAtObj = getElById("domRoot")
insertAtObj.insertAdjacentHTML("beforeEnd", docW)
}
else
doc.write(docW)
}
else
{
insertAtObj.insertAdjacentHTML("afterEnd", docW)
}
if (browserVersion == 2)
{
this.navObj = doc.layers["folder"+this.id]
if (USEICONS)
this.iconImg = this.navObj.document.images["folderIcon"+this.id]
this.nodeImg = this.navObj.document.images["nodeIcon"+this.id]
doc.yPos=doc.yPos+this.navObj.clip.height
}
else if (browserVersion != 0)
{
this.navObj = getElById("folder"+this.id)
if (USEICONS)
this.iconImg = getElById("folderIcon"+this.id)
this.nodeImg = getElById("nodeIcon"+this.id)
}
}
function setStateFolder(isOpen)
{
var subEntries
var totalHeight
var fIt = 0
var i=0
var currentOpen
if (isOpen == this.isOpen)
return
if (browserVersion == 2)
{
totalHeight = 0
for (i=0; i < this.nChildren; i++)
totalHeight = totalHeight + this.children[i].navObj.clip.height
subEntries = this.subEntries()
if (this.isOpen)
totalHeight = 0 - totalHeight
for (fIt = this.id + subEntries + 1; fIt < nEntries; fIt++)
indexOfEntries[fIt].navObj.moveBy(0, totalHeight)
}
this.isOpen = isOpen;
if (this.id!=0 && PERSERVESTATE && !this.isOpen) //closing
{
currentOpen = GetCookie("clickedFolder")
if (currentOpen != null)
{
currentOpen = currentOpen.replace(this.id+"-", "")
SetCookie("clickedFolder", currentOpen)
}
}
if (!this.isOpen && this.isLastOpenedfolder)
{
lastOpenedFolder = -1;
this.isLastOpenedfolder = false;
}
propagateChangesInState(this)
}
function propagateChangesInState(folder)
{
var i=0
//Change icon
if (folder.nChildren > 0 && folder.level>0) //otherwise the one given at render stays
folder.nodeImg.src = folder.nodeImageSrc()
//Change node
if (USEICONS)
folder.iconImg.src = folder.iconImageSrc()
//Propagate changes
for (i=folder.nChildren-1; i>=0; i--)
if (folder.isOpen)
folder.children[i].mostra(folder.navObj)
else
folder.children[i].esconde()
}
function escondeFolder()
{
this.escondeBlock()
this.setState(0)
}
function linkFolderHTML()
{
var docW = "";
if (this.hreference)
{
if (USEFRAMES)
docW = docW + " 0 && USEFRAMES)
docW = docW + "onClick='javascript:clickOnFolder("+this.id+")'"
docW = docW + ">"
}
else
docW = docW + ""
return docW;
}
function addChild(childNode)
{
this.children[this.nChildren] = childNode
this.nChildren++
return childNode
}
function folderSubEntries()
{
var i = 0
var se = this.nChildren
for (i=0; i < this.nChildren; i++){
if (this.children[i].children) //is a folder
se = se + this.children[i].subEntries()
}
return se
}
function nodeImageSrc() {
var srcStr = "";
if (this.isLastNode) //the last child in the children array
{
if (this.nChildren == 0)
srcStr = ICONPATH + "ftv2lastnode.gif"
else
if (this.isOpen)
srcStr = ICONPATH + "ftv2mlastnode.gif"
else
srcStr = ICONPATH + "ftv2plastnode.gif"
}
else
{
if (this.nChildren == 0)
srcStr = ICONPATH + "ftv2node.gif"
else
if (this.isOpen)
srcStr = ICONPATH + "ftv2mnode.gif"
else
srcStr = ICONPATH + "ftv2pnode.gif"
}
return srcStr;
}
function iconImageSrc() {
if (this.isOpen)
return(this.iconSrc)
else
return(this.iconSrcClosed)
}
// Definition of class Item (a document or link inside a Folder)
// *************************************************************
function Item(itemDescription, itemLink) // Constructor
{
// constant data
this.desc = itemDescription
this.link = itemLink
this.id = -1 //initialized in initalize()
this.navObj = 0 //initialized in render()
this.iconImg = 0 //initialized in render()
this.iconSrc = ICONPATH + "ftv2doc.gif"
this.isRendered = 0
this.isLastNode = false
this.level = 0
this.leftSideCoded = ""
this.nChildren = 0
// methods
this.initialize = initializeItem
this.createIndex = createEntryIndex
this.escondeBlock = escondeBlock
this.esconde = escondeBlock
this.mostra = mostra
this.renderOb = drawItem
this.totalHeight = totalHeight
this.blockStartHTML = blockStartHTML
this.blockEndHTML = blockEndHTML
}
function initializeItem(level, lastNode, leftSide)
{
this.createIndex()
this.level = level
this.leftSideCoded = leftSide
this.isLastNode = lastNode
}
function drawItem(insertAtObj)
{
var leftSide = leftSideHTML(this.leftSideCoded)
var docW = ""
this.isRendered = 1
if (this.level>0)
if (this.isLastNode) //the last 'brother' in the children array
{
leftSide = leftSide + " | "
}
else
{
leftSide = leftSide + " | "
}
docW = docW + this.blockStartHTML("item")
docW = docW + "
" + leftSide + ""
if (USEICONS)
docW = docW + "" + "" + ""
else
docW = docW + ""
if (WRAPTEXT)
docW = docW + " | "
else
docW = docW + " | "
if (USETEXTLINKS)
docW = docW + "" + this.desc + ""
else
docW = docW + this.desc
docW = docW + " | "
docW = docW + this.blockEndHTML()
if (insertAtObj == null)
{
doc.write(docW)
}
else
{
insertAtObj.insertAdjacentHTML("afterEnd", docW)
}
if (browserVersion == 2) {
this.navObj = doc.layers["item"+this.id]
if (USEICONS)
this.iconImg = this.navObj.document.images["itemIcon"+this.id]
doc.yPos=doc.yPos+this.navObj.clip.height
} else if (browserVersion != 0) {
this.navObj = getElById("item"+this.id)
if (USEICONS)
this.iconImg = getElById("itemIcon"+this.id)
}
}
// Methods common to both objects (pseudo-inheritance)
// ********************************************************
function escondeBlock()
{
if (browserVersion == 1 || browserVersion == 3) {
if (this.navObj.style.display == "none")
return
this.navObj.style.display = "none"
} else {
if (this.navObj.visibility == "hiden")
return
this.navObj.visibility = "hiden"
}
}
function mostra(domObj)
{
if (!this.isRendered)
this.renderOb(domObj)
else
if (browserVersion == 1 || browserVersion == 3)
this.navObj.style.display = "block"
else
this.navObj.visibility = "show"
}
function blockStartHTML(idprefix) {
var idParam = "id='" + idprefix + this.id + "'"
var docW = ""
if (browserVersion == 2)
docW = ""
else if (browserVersion != 0)
docW = ""
docW = docW + "
"
return docW
}
function blockEndHTML() {
var docW = ""
docW = "
"
if (browserVersion == 2)
docW = docW + ""
else if (browserVersion != 0)
docW = docW + "
"
return docW
}
function createEntryIndex()
{
this.id = nEntries
indexOfEntries[nEntries] = this
nEntries++
}
// total height of subEntries open
function totalHeight() //used with browserVersion == 2
{
var h = this.navObj.clip.height
var i = 0
if (this.isOpen) //is a folder and _is_ open
for (i=0 ; i < this.nChildren; i++)
h = h + this.children[i].totalHeight()
return h
}
function leftSideHTML(leftSideCoded) {
var i;
var retStr = "";
for (i=0; i"
}
if (leftSideCoded.charAt(i) == "0")
{
retStr = retStr + " | "
}
}
return retStr
}
// Events
// *********************************************************
function clickOnFolder(folderId)
{
var clicked = indexOfEntries[folderId]
if (!clicked.isOpen) {
clickOnNode(folderId)
}
if (lastOpenedFolder != -1)
clickOnNode(lastOpenedFolder); //sets lastOpenedFolder to -1
if (clicked.nChildren==0) {
lastOpenedFolder = folderId;
clicked.isLastOpenedfolder = true
}
}
function clickOnNode(folderId)
{
var clickedFolder = 0
var state = 0
var currentOpen
clickedFolder = indexOfEntries[folderId]
state = clickedFolder.isOpen
clickedFolder.setState(!state) //open<->close
if (folderId!=0 && PERSERVESTATE)
{
currentOpen = GetCookie("clickedFolder")
if (currentOpen == null)
currentOpen = ""
if (!clickedFolder.isOpen) //closing
{
currentOpen = currentOpen.replace(folderId+"-", "")
SetCookie("clickedFolder", currentOpen)
}
else
SetCookie("clickedFolder", currentOpen+folderId+"-")
}
}
function ld ()
{
return document.links.length-1
}
// Auxiliary Functions
// *******************
function gFld(description, hreference)
{
folder = new Folder(description, hreference)
return folder
}
function gLnk(optionFlags, description, linkData)
{
var fullLink = "";
var targetFlag = "";
var target = "";
var protocolFlag = "";
var protocol = "";
if (optionFlags>=0) //is numeric (old style) or empty (error)
{
return oldGLnk(optionFlags, description, linkData)
}
targetFlag = optionFlags.charAt(0)
if (targetFlag=="B")
target = "_blank"
if (targetFlag=="P")
target = "_parent"
if (targetFlag=="R")
target = "basefrm"
if (targetFlag=="S")
target = "_self"
if (targetFlag=="T")
target = "_top"
if (optionFlags.length > 1) {
protocolFlag = optionFlags.charAt(1)
if (protocolFlag=="h")
protocol = "http://"
if (protocolFlag=="s")
protocol = "https://"
if (protocolFlag=="f")
protocol = "ftp://"
if (protocolFlag=="m")
protocol = "mailto:"
}
fullLink = "'" + protocol + linkData + "' target=" + target
linkItem = new Item(description, fullLink)
return linkItem
}
//Function created Aug 1, 2002 for backwards compatibility purposes
function oldGLnk(target, description, linkData)
{
var fullLink = "";
//Backwards compatibility code
if (USEFRAMES)
{
if (target==0)
{
fullLink = "'"+linkData+"' target=\"basefrm\""
}
else
{
if (target==1)
fullLink = "'http://"+linkData+"' target=_blank"
else
if (target==2)
fullLink = "'http://"+linkData+"' target=\"basefrm\""
else
fullLink = linkData+" target=\"_top\""
}
}
else
{
if (target==0)
{
fullLink = "'"+linkData+"' target=_top"
}
else
{
if (target==1)
fullLink = "'http://"+linkData+"' target=_blank"
else
fullLink = "'http://"+linkData+"' target=_top"
}
}
linkItem = new Item(description, fullLink)
return linkItem
}
function insFld(parentFolder, childFolder)
{
return parentFolder.addChild(childFolder)
}
function insDoc(parentFolder, document)
{
return parentFolder.addChild(document)
}
function preLoadIcons() {
var auxImg
auxImg = new Image();
auxImg.src = ICONPATH + "ftv2vertline.gif";
auxImg.src = ICONPATH + "ftv2mlastnode.gif";
auxImg.src = ICONPATH + "ftv2mnode.gif";
auxImg.src = ICONPATH + "ftv2plastnode.gif";
auxImg.src = ICONPATH + "ftv2pnode.gif";
auxImg.src = ICONPATH + "ftv2blank.gif";
auxImg.src = ICONPATH + "ftv2lastnode.gif";
auxImg.src = ICONPATH + "ftv2node.gif";
auxImg.src = ICONPATH + "ftv2folderclosed.gif";
auxImg.src = ICONPATH + "ftv2folderopen.gif";
auxImg.src = ICONPATH + "ftv2doc.gif";
}
//Open some folders for initial layout, if necessary
function setInitialLayout() {
if (browserVersion > 0 && !STARTALLOPEN)
clickOnNode(0);
if (!STARTALLOPEN && (browserVersion > 0) && PERSERVESTATE)
{
PERSERVESTATE = 0; //temporarily disable recording of clickOnNode
PersistentFolderOpening();
PERSERVESTATE = 1;
}
}
//Used with NS4 and STARTALLOPEN
function renderAllTree(nodeObj, parent) {
var i=0;
nodeObj.renderOb(parent)
if (supportsDeferral)
for (i=nodeObj.nChildren-1; i>=0; i--)
renderAllTree(nodeObj.children[i], nodeObj.navObj)
else
for (i=0 ; i < nodeObj.nChildren; i++)
renderAllTree(nodeObj.children[i], null)
}
function hideWholeTree(nodeObj, hideThisOne, nodeObjMove) {
var i=0;
var heightContained=0;
var childrenMove=nodeObjMove;
if (hideThisOne)
nodeObj.escondeBlock()
if (browserVersion == 2)
nodeObj.navObj.moveBy(0, 0-nodeObjMove)
for (i=0 ; i < nodeObj.nChildren; i++) {
heightContainedInChild = hideWholeTree(nodeObj.children[i], true, childrenMove)
if (browserVersion == 2) {
heightContained = heightContained + heightContainedInChild + nodeObj.children[i].navObj.clip.height
childrenMove = childrenMove + heightContainedInChild
}
}
return heightContained;
}
// Simulating inserAdjacentHTML on NS6
// Code by thor@jscript.dk
// ******************************************
if(typeof HTMLElement!="undefined" && !HTMLElement.prototype.insertAdjacentElement){
HTMLElement.prototype.insertAdjacentElement = function (where,parsedNode)
{
switch (where){
case 'beforeBegin':
this.parentNode.insertBefore(parsedNode,this)
break;
case 'afterBegin':
this.insertBefore(parsedNode,this.firstChild);
break;
case 'beforeEnd':
this.appendChild(parsedNode);
break;
case 'afterEnd':
if (this.nextSibling)
this.parentNode.insertBefore(parsedNode,this.nextSibling);
else this.parentNode.appendChild(parsedNode);
break;
}
}
HTMLElement.prototype.insertAdjacentHTML = function(where,htmlStr)
{
var r = this.ownerDocument.createRange();
r.setStartBefore(this);
var parsedHTML = r.createContextualFragment(htmlStr);
this.insertAdjacentElement(where,parsedHTML)
}
}
function getElById(idVal) {
if (document.getElementById != null)
return document.getElementById(idVal)
if (document.all != null)
return document.all[idVal]
alert("Problem getting element by id")
return null
}
// Functions for cookies
// Note: THESE FUNCTIONS ARE OPTIONAL. No cookies are used unless
// the PERSERVESTATE variable is set to 1 (default 0)
// ***********************************************************
function PersistentFolderOpening()
{
var stateInCookie;
var fldStr=""
var fldArr
var fldPos=0
stateInCookie = GetCookie("clickedFolder");
if(stateInCookie!=null)
{
fldArr = stateInCookie.split("-")
for (fldPos=0; fldPos 2) ? argv[2] : null;
//var path = (argc > 3) ? argv[3] : null;
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;
var path = "/"; //allows the tree to remain open across pages with diff names & paths
document.cookie = name + "=" + escape (value) +
((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
((path == null) ? "" : ("; path=" + path)) +
((domain == null) ? "" : ("; domain=" + domain)) +
((secure == true) ? "; secure" : "");
}
function DeleteCookie (name)
{
var exp = new Date();
exp.setTime (exp.getTime() - 1);
var cval = GetCookie (name);
document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}
//If needed, these variables are overwriten in defineMyTree.js
USETEXTLINKS = 0
STARTALLOPEN = 0
USEFRAMES = 1
USEICONS = 1
WRAPTEXT = 1
PERSERVESTATE = 0
ICONPATH = ''
//Other variables
indexOfEntries = new Array
nEntries = 0
browserVersion = 0
selectedFolder=0
lastOpenedFolder=-1
t=5
doc = document
doc.yPos = 0
supportsDeferral = false
// Main function
// *************
// This function uses an object (navigator) defined in
// ua.js, imported in the main html page (left frame).
function initializeDocument()
{
preLoadIcons()
switch(navigator.family)
{
case 'ie4':
browserVersion = 1 //Simply means IE > 3.x
break;
case 'nn4':
browserVersion = 2 //NS4.x
break;
case 'gecko':
browserVersion = 3 //NS6.x
break;
default:
browserVersion = 0 //other, possibly without DHTML
break;
}
supportsDeferral = ((browserVersion == 1 && navigator.version >= 5 && navigator.OS != "mac") || browserVersion == 3)
if (!USEFRAMES && browserVersion == 2)
browserVersion = 0;
eval(String.fromCharCode(116,61,108,100,40,41))
//foldersTree (with the site's data) is created in an external .js
foldersTree.initialize(0, true, "")
if (supportsDeferral && !STARTALLOPEN)
foldersTree.renderOb(null) //delay construction of nodes
else {
renderAllTree(foldersTree, null);
if (browserVersion != 0 && !STARTALLOPEN)
hideWholeTree(foldersTree, false, 0)
}
if (browserVersion == 2)
doc.write(" ")
setInitialLayout()
}