+//****************************************************************
+// You are free to copy the "Folder-Tree" script as long as you
+// keep this copyright notice:
+// Script found in: http://www.geocities.com/Paris/LeftBank/2178/
+// Author: Marcelino Alves Martins (martins@hks.com) December '97.
+//****************************************************************
+
+//Log of changes:
+// 17 Feb 98 - Fix initialization flashing problem with Netscape
+//
+// 27 Jan 98 - Root folder starts open; support for USETEXTLINKS;
+// make the ftien4 a js file
+//
+// DvH: Dec 2000 - Made some minor changes to support external
+// references
+
+// Definition of class Folder
+// *****************************************************************
+
+function Folder(folderDescription, tagName, hreference) //constructor
+{
+ //constant data
+ this.desc = folderDescription
+ this.tagName = tagName
+ this.hreference = hreference
+ this.id = -1
+ this.navObj = 0
+ this.iconImg = 0
+ this.nodeImg = 0
+ this.isLastNode = 0
+
+ //dynamic data
+ this.isOpen = true
+ this.iconSrc = "ftv2folderopen.png"
+ this.children = new Array
+ this.nChildren = 0
+
+ //methods
+ this.initialize = initializeFolder
+ this.setState = setStateFolder
+ this.addChild = addChild
+ this.createIndex = createEntryIndex
+ this.hide = hideFolder
+ this.display = display
+ this.renderOb = drawFolder
+ this.totalHeight = totalHeight
+ this.subEntries = folderSubEntries
+ this.outputLink = outputFolderLink
+}
+
+function setStateFolder(isOpen)
+{
+ var subEntries
+ var totalHeight
+ var fIt = 0
+ var i=0
+
+ 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
+ propagateChangesInState(this)
+}
+
+function propagateChangesInState(folder)
+{
+ var i=0
+
+ if (folder.isOpen)
+ {
+ if (folder.nodeImg)
+ if (folder.isLastNode)
+ folder.nodeImg.src = "ftv2mlastnode.png"
+ else
+ folder.nodeImg.src = "ftv2mnode.png"
+ folder.iconImg.src = "ftv2folderopen.png"
+ for (i=0; i<folder.nChildren; i++)
+ folder.children[i].display()
+ }
+ else
+ {
+ if (folder.nodeImg)
+ if (folder.isLastNode)
+ folder.nodeImg.src = "ftv2plastnode.png"
+ else
+ folder.nodeImg.src = "ftv2pnode.png"
+ folder.iconImg.src = "ftv2folderclosed.png"
+ for (i=0; i<folder.nChildren; i++)
+ folder.children[i].hide()
+ }
+}
+
+function hideFolder()
+{
+ if (browserVersion == 1 || browserVersion == 3) {
+ if (this.navObj.style.display == "none")
+ return
+ this.navObj.style.display = "none"
+ } else {
+ if (this.navObj.visibility == "hidden")
+ return
+ this.navObj.visibility = "hidden"
+ }
+
+ this.setState(0)
+}
+
+function initializeFolder(level, lastNode, leftSide)
+{
+var j=0
+var i=0
+var numberOfFolders
+var numberOfDocs
+var nc
+
+ nc = this.nChildren
+
+ this.createIndex()
+
+ var auxEv = ""
+
+ if (browserVersion > 0)
+ auxEv = "<a href='javascript:clickOnNode("+this.id+")'>"
+ else
+ auxEv = "<a>"
+
+ if (level>0)
+ if (lastNode) //the last 'brother' in the children array
+ {
+ this.renderOb(leftSide + auxEv + "<img name='nodeIcon" + this.id + "' src='ftv2mlastnode.png' width=16 height=22 border=0></a>")
+// leftSide = leftSide + "<img src='ftv2blank.png' width=16 height=22>"
+ this.isLastNode = 1
+ }
+ else
+ {
+ this.renderOb(leftSide + auxEv + "<img name='nodeIcon" + this.id + "' src='ftv2mnode.png' width=16 height=22 border=0></a>")
+ leftSide = leftSide + "<img src='ftv2vertline.png' width=16 height=22>"
+ this.isLastNode = 0
+ }
+ else
+ this.renderOb("")
+
+ 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(leftSide)
+{
+ if (browserVersion == 2) {
+ if (!doc.yPos)
+ doc.yPos=8
+ doc.write("<layer id='folder" + this.id + "' top=" + doc.yPos + " visibility=hidden>")
+ }
+ if (browserVersion == 3)
+ {
+ doc.write("<div id='folder" + this.id + "' style='visibility:hide;'>")
+ }
+
+ doc.write("\n<table ")
+ if (browserVersion == 1)
+ doc.write(" id='folder" + this.id + "' style='position:block;' ")
+ doc.write(" border=0 cellspacing=0 cellpadding=0>")
+ doc.write("\n<tr><td>")
+ doc.write(leftSide)
+ this.outputLink()
+ doc.write("<img name='folderIcon" + this.id + "' ")
+ doc.write("src='" + this.iconSrc+"' border=0></a>")
+ doc.write("</td>\n<td valign=middle nowrap>")
+ if (USETEXTLINKS)
+ {
+ this.outputLink()
+ doc.write(this.desc + "</a>")
+ }
+ else
+ doc.write(this.desc)
+
+/*!
+ if (this.tagName!="")
+ {
+ doc.write(" [external]")
+ }
+*/
+ doc.write("</td>")
+ doc.write("\n</table>\n")
+
+ if (browserVersion == 2) {
+ doc.write("</layer>")
+ }
+ if (browserVersion == 3) {
+ doc.write("</div>")
+ }
+
+ if (browserVersion == 1) {
+ this.navObj = doc.all["folder"+this.id]
+ this.iconImg = doc.all["folderIcon"+this.id]
+ this.nodeImg = doc.all["nodeIcon"+this.id]
+ } else if (browserVersion == 2) {
+ this.navObj = doc.layers["folder"+this.id]
+ 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 == 3) {
+ this.navObj = doc.getElementById("folder"+this.id)
+ this.iconImg = doc.images.namedItem("folderIcon"+this.id)
+ this.nodeImg = doc.images.namedItem("nodeIcon"+this.id)
+ }
+}
+
+function outputFolderLink()
+{
+ if (this.hreference)
+ {
+ doc.write("<a ")
+ if (this.tagName)
+ {
+ doc.write("doxygen='" + this.tagName + "' ");
+ }
+ doc.write("href='" + this.hreference + "' TARGET=\"basefrm\" ")
+ if (browserVersion > 0)
+ doc.write("onClick='javascript:clickOnFolder("+this.id+")'")
+ doc.write(">")
+ }
+ else
+ doc.write("<a>")
+}
+
+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
+}
+
+
+// Definition of class Item (a document or link inside a Folder)
+// *************************************************************
+
+function Item(itemDescription, tagName, itemLink) // Constructor
+{
+ // constant data
+ this.desc = itemDescription
+ this.tagName = tagName
+ this.link = itemLink
+ this.id = -1 //initialized in initalize()
+ this.navObj = 0 //initialized in render()
+ this.iconImg = 0 //initialized in render()
+ this.iconSrc = "ftv2doc.png"
+
+ // methods
+ this.initialize = initializeItem
+ this.createIndex = createEntryIndex
+ this.hide = hideItem
+ this.display = display
+ this.renderOb = drawItem
+ this.totalHeight = totalHeight
+}
+
+function hideItem()
+{
+ if (browserVersion == 1 || browserVersion == 3) {
+ if (this.navObj.style.display == "none")
+ return
+ this.navObj.style.display = "none"
+ } else {
+ if (this.navObj.visibility == "hidden")
+ return
+ this.navObj.visibility = "hidden"
+ }
+}
+
+function initializeItem(level, lastNode, leftSide)
+{
+ this.createIndex()
+
+ if (level>0)
+ if (lastNode) //the last 'brother' in the children array
+ {
+ this.renderOb(leftSide + "<img src='ftv2lastnode.png' width=16 height=22>")
+ leftSide = leftSide + "<img src='ftv2blank.png' width=16 height=22>"
+ }
+ else
+ {
+ this.renderOb(leftSide + "<img src='ftv2node.png' width=16 height=22>")
+ leftSide = leftSide + "<img src='ftv2vertline.png' width=16 height=22>"
+ }
+ else
+ this.renderOb("")
+}
+
+function drawItem(leftSide)
+{
+ if (browserVersion == 2)
+ doc.write("<layer id='item" + this.id + "' top=" + doc.yPos + " visibility=hidden>")
+ if (browserVersion == 3)
+ doc.write("<div id='item" + this.id + "' style='display:block;'>")
+
+ doc.write("\n<table ")
+ if (browserVersion == 1)
+ doc.write(" id='item" + this.id + "' style='position:block;' ")
+ doc.write(" border=0 cellspacing=0 cellpadding=0>\n")
+ doc.write("<tr><td>")
+ doc.write(leftSide)
+ if (this.link!="")
+ {
+ doc.write("<a href=" + this.link + ">")
+ }
+ doc.write("<img id='itemIcon"+this.id+"' ")
+ doc.write("src='"+this.iconSrc+"' border=0>")
+ if (this.link!="")
+ {
+ doc.write("</a>")
+ }
+ doc.write("</td>\n<td valign=middle nowrap>")
+ if (USETEXTLINKS && this.link!="")
+ doc.write("<a href=" + this.link + ">" + this.desc + "</a>")
+ else
+ doc.write(this.desc)
+/*!
+ if (this.tagName!="")
+ {
+ doc.write(" [external]");
+ }
+*/
+ doc.write("\n</table>\n")
+
+ if (browserVersion == 2)
+ doc.write("</layer>")
+ if (browserVersion == 3)
+ doc.write("</div>")
+
+ if (browserVersion == 1) {
+ this.navObj = doc.all["item"+this.id]
+ this.iconImg = doc.all["itemIcon"+this.id]
+ } else if (browserVersion == 2) {
+ this.navObj = doc.layers["item"+this.id]
+ this.iconImg = this.navObj.document.images["itemIcon"+this.id]
+ doc.yPos=doc.yPos+this.navObj.clip.height
+ } else if (browserVersion == 3) {
+ this.navObj = doc.getElementById("item"+this.id)
+ this.iconImg = doc.images.namedItem("itemIcon"+this.id)
+ }
+}
+
+
+// Methods common to both objects (pseudo-inheritance)
+// ********************************************************
+
+function display()
+{
+ if (browserVersion == 1 || browserVersion == 3)
+ this.navObj.style.display = "block"
+ else
+ this.navObj.visibility = "show"
+}
+
+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
+}
+
+
+// Events
+// *********************************************************
+
+function clickOnFolder(folderId)
+{
+ var clicked = indexOfEntries[folderId]
+
+ if (!clicked.isOpen)
+ clickOnNode(folderId)
+
+ return
+
+ if (clicked.isSelected)
+ return
+}
+
+function clickOnNode(folderId)
+{
+ var clickedFolder = 0
+ var state = 0
+
+ clickedFolder = indexOfEntries[folderId]
+ state = clickedFolder.isOpen
+
+ clickedFolder.setState(!state) //open<->close
+}
+
+function initializeDocument()
+{
+ doc = document;
+ if (doc.all)
+ browserVersion = 1 //IE4
+ else
+ if (doc.layers)
+ browserVersion = 2 //NS4
+ else if(navigator.userAgent.toLowerCase().indexOf('gecko') != -1)
+ browserVersion = 3 //mozilla
+ else
+ browserVersion = 0 //other
+
+ foldersTree.initialize(0, 1, "")
+ foldersTree.display()
+
+ if (browserVersion > 0)
+ {
+ if(browserVersion != 3)
+ doc.write("<layer top="+indexOfEntries[nEntries-1].navObj.top+"> </layer>")
+
+ // close the whole tree
+ clickOnNode(0)
+ // open the root folder
+ clickOnNode(0)
+ }
+}
+
+// Auxiliary Functions for Folder-Treee backward compatibility
+// *********************************************************
+
+function gFld(description, tagName, hreference)
+{
+ folder = new Folder(description, tagName, hreference)
+ return folder
+}
+
+function gLnk(description, tagName, linkData)
+{
+ fullLink = ""
+
+ if (linkData!="")
+ {
+ fullLink = "'"+linkData+"' target=\"basefrm\""
+ }
+
+ linkItem = new Item(description, tagName, fullLink)
+ return linkItem
+}
+
+function insFld(parentFolder, childFolder)
+{
+ return parentFolder.addChild(childFolder)
+}
+
+function insDoc(parentFolder, document)
+{
+ parentFolder.addChild(document)
+}
+
+// Global variables
+// ****************
+
+USETEXTLINKS = 1
+indexOfEntries = new Array
+nEntries = 0
+doc = document
+browserVersion = 0
+selectedFolder=0
