ftiens4.js
资源名称:Treeview.zip [点击查看]
上传用户:jdr1jdr
上传日期:2013-05-07
资源大小:68k
文件大小:33k
源码类别:
JavaScript
开发平台:
JavaScript
- //****************************************************************
- // 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:
- //
- // 08 Jun 04 - Very small change to one error message
- // 21 Mar 04 - Support for folder.addChildren allows for much bigger trees
- // 12 May 03 - Support for Safari Beta 3
- // 01 Mar 03 - VERSION 4.3 - Support for checkboxes
- // 21 Feb 03 - Added support for Opera 7
- // 22 Sep 02 - Added maySelect member for node-by-node control
- // of selection and highlight
- // 21 Sep 02 - Cookie values are now separated by cookieCutter
- // 12 Sep 02 - VERSION 4.2 - Can highlight Selected Nodes and
- // can preserve state through external (DB) IDs
- // 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
- // (example: FavoritesManagerASP)
- // 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;
- this.parentObj = null;
- this.maySelect=true;
- this.prependHTML = ""
- //dynamic data
- this.isOpen = false
- this.isLastOpenedFolder = false
- this.isRendered = 0
- //methods
- this.initialize = initializeFolder
- this.setState = setStateFolder
- this.addChild = addChild
- this.addChildren = addChildren
- this.createIndex = createEntryIndex
- this.escondeBlock = escondeBlock
- this.esconde = escondeFolder
- this.folderMstr = folderMstr
- this.renderOb = drawFolder
- this.totalHeight = totalHeight
- this.subEntries = folderSubEntries
- this.linkHTML = linkFolderHTML
- this.blockStartHTML = blockStartHTML
- this.blockEndHTML = blockEndHTML
- this.nodeImageSrc = nodeImageSrc
- this.iconImageSrc = iconImageSrc
- this.getID = getID
- this.forceOpeningOfAncestorFolders = forceOpeningOfAncestorFolders
- }
- 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 (typeof this.children[i].initialize == 'undefined') //document node was specified using the addChildren function
- {
- if (typeof this.children[i][0] == 'undefined' || typeof this.children[i] == 'string')
- {
- this.children[i] = ["item incorrectly defined", ""];
- }
- //Basic initialization of the Item object
- //These members or methods are needed even before the Item is rendered
- this.children[i].initialize=initializeItem;
- this.children[i].createIndex=createEntryIndex;
- if (typeof this.children[i].maySelect == 'undefined')
- this.children[i].maySelect=true
- this.children[i].forceOpeningOfAncestorFolders = forceOpeningOfAncestorFolders
- }
- 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 i=0
- finalizeCreationOfChildDocs(this)
- var leftSide = leftSideHTML(this.leftSideCoded)
- if (browserVersion > 0)
- auxEv = "<a href='javascript:clickOnNode(""+this.getID()+"")'>"
- else
- auxEv = "<a>"
- nodeName = this.nodeImageSrc()
- if (this.level>0)
- if (this.isLastNode) //the last child in the children array
- leftSide = leftSide + "<td valign=top>" + auxEv + "<img name='nodeIcon" + this.id + "' id='nodeIcon" + this.id + "' src='" + nodeName + "' width=16 height=22 border=0></a></td>"
- else
- leftSide = leftSide + "<td valign=top background=" + ICONPATH + "ftv2vertline.gif>" + auxEv + "<img name='nodeIcon" + this.id + "' id='nodeIcon" + this.id + "' src='" + nodeName + "' width=16 height=22 border=0></a></td>"
- this.isRendered = 1
- if (browserVersion == 2) {
- if (!doc.yPos)
- doc.yPos=20
- }
- docW = this.blockStartHTML("folder");
- docW = docW + "<tr>" + leftSide + "<td valign=top>";
- if (USEICONS)
- {
- docW = docW + this.linkHTML(false)
- docW = docW + "<img id='folderIcon" + this.id + "' name='folderIcon" + this.id + "' src='" + this.iconImageSrc() + "' border=0></a>"
- }
- else
- {
- if (this.prependHTML == "")
- docW = docW + "<img src=" + ICONPATH + "ftv2blank.gif height=2 width=2>"
- }
- if (WRAPTEXT)
- docW = docW + "</td>"+this.prependHTML+"<td valign=middle width=100%>"
- else
- docW = docW + "</td>"+this.prependHTML+"<td valign=middle nowrap width=100%>"
- if (USETEXTLINKS)
- {
- docW = docW + this.linkHTML(true)
- docW = docW + this.desc + "</a>"
- }
- else
- docW = docW + this.desc
- docW = docW + "</td>"
- docW = docW + this.blockEndHTML()
- if (insertAtObj == null)
- {
- if (supportsDeferral) {
- doc.write("<div id=domRoot></div>") //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.getID()!=foldersTree.getID() && PRESERVESTATE && !this.isOpen) //closing
- {
- currentOpen = GetCookie("clickedFolder")
- if (currentOpen != null) {
- currentOpen = currentOpen.replace(this.getID()+cookieCutter, "")
- SetCookie("clickedFolder", currentOpen)
- }
- }
- if (!this.isOpen && this.isLastOpenedfolder)
- {
- lastOpenedFolder = null;
- 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].folderMstr(folder.navObj)
- else
- folder.children[i].esconde()
- }
- }
- function escondeFolder()
- {
- this.escondeBlock()
- this.setState(0)
- }
- function linkFolderHTML(isTextLink)
- {
- var docW = "";
- if (this.hreference)
- {
- if (USEFRAMES)
- docW = docW + "<a href='" + this.hreference + "' TARGET="basefrm" "
- else
- docW = docW + "<a href='" + this.hreference + "' TARGET=_top "
- if (isTextLink) {
- docW += "id="itemTextLink"+this.id+"" ";
- }
- if (browserVersion > 0)
- docW = docW + "onClick='javascript:clickOnFolder(""+this.getID()+"")'"
- docW = docW + ">"
- }
- else
- docW = docW + "<a>"
- return docW;
- }
- function addChild(childNode)
- {
- this.children[this.nChildren] = childNode
- childNode.parentObj = this
- this.nChildren++
- return childNode
- }
- //The list can contain either a Folder object or a sub list with the arguments for Item
- function addChildren(listOfChildren)
- {
- this.children = listOfChildren
- this.nChildren = listOfChildren.length
- for (i=0; i<this.nChildren; i++)
- this.children[i].parentObj = this
- }
- 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) // Constructor
- {
- // constant data
- this.desc = itemDescription
- this.level = 0
- this.isLastNode = false
- this.leftSideCoded = ""
- this.parentObj = null
- this.maySelect=true
- this.initialize = initializeItem;
- this.createIndex = createEntryIndex;
- this.forceOpeningOfAncestorFolders = forceOpeningOfAncestorFolders;
- finalizeCreationOfItem(this)
- }
- //Assignments that can be delayed when the item is created with folder.addChildren
- //The assignments that cannot be delayed are done in addChildren and in initializeFolder
- //Additionaly, some assignments are also done in finalizeCreationOfChildDocs itself
- function finalizeCreationOfItem(itemArray)
- {
- itemArray.navObj = 0 //initialized in render()
- itemArray.iconImg = 0 //initialized in render()
- itemArray.iconSrc = ICONPATH + "ftv2doc.gif"
- itemArray.isRendered = 0
- itemArray.nChildren = 0
- itemArray.prependHTML = ""
- // methods
- itemArray.escondeBlock = escondeBlock
- itemArray.esconde = escondeBlock
- itemArray.folderMstr = folderMstr
- itemArray.renderOb = drawItem
- itemArray.totalHeight = totalHeight
- itemArray.blockStartHTML = blockStartHTML
- itemArray.blockEndHTML = blockEndHTML
- itemArray.getID = getID
- }
- 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 = ""
- var fullLink = "href=""+this.link+"" target=""+this.target+"" onClick="clickOnLink('"+this.getID()+"', '"+this.link+"','"+this.target+"');return false;"";
- this.isRendered = 1
- if (this.level>0)
- if (this.isLastNode) //the last 'brother' in the children array
- {
- leftSide = leftSide + "<td valign=top><img src='" + ICONPATH + "ftv2lastnode.gif' width=16 height=22></td>"
- }
- else
- {
- leftSide = leftSide + "<td valign=top background=" + ICONPATH + "ftv2vertline.gif><img src='" + ICONPATH + "ftv2node.gif' width=16 height=22></td>"
- }
- docW = docW + this.blockStartHTML("item")
- docW = docW + "<tr>" + leftSide + "<td valign=top>"
- if (USEICONS)
- docW = docW + "<a " + fullLink + " id="itemIconLink"+this.id+"">" + "<img id='itemIcon"+this.id+"' " + "src='"+this.iconSrc+"' border=0>" + "</a>"
- else
- if (this.prependHTML == "")
- docW = docW + "<img src=" + ICONPATH + "ftv2blank.gif height=2 width=3>"
- if (WRAPTEXT)
- docW = docW + "</td>"+this.prependHTML+"<td valign=middle width=100%>"
- else
- docW = docW + "</td>"+this.prependHTML+"<td valign=middle nowrap width=100%>"
- if (USETEXTLINKS)
- docW = docW + "<a " + fullLink + " id="itemTextLink"+this.id+"">" + this.desc + "</a>"
- else
- docW = docW + this.desc
- docW = docW + "</td>"
- 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 forceOpeningOfAncestorFolders() {
- if (this.parentObj == null || this.parentObj.isOpen)
- return
- else {
- this.parentObj.forceOpeningOfAncestorFolders()
- clickOnNodeObj(this.parentObj)
- }
- }
- function escondeBlock()
- {
- 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 folderMstr(domObj)
- {
- if (browserVersion == 1 || browserVersion == 3) {
- if (t==-1)
- return
- var str = new String(doc.links[t])
- if (str.slice(14,16) != "em")
- return
- }
- 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 = "<layer "+ idParam + " top=" + doc.yPos + " visibility=show>"
- else if (browserVersion != 0)
- docW = "<div " + idParam + " style='display:block; position:block;'>"
- docW = docW + "<table border=0 cellspacing=0 cellpadding=0 width=100% >"
- return docW
- }
- function blockEndHTML() {
- var docW = ""
- docW = "</table>"
- if (browserVersion == 2)
- docW = docW + "</layer>"
- else if (browserVersion != 0)
- docW = docW + "</div>"
- 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<leftSideCoded.length; i++)
- {
- if (leftSideCoded.charAt(i) == "1")
- {
- retStr = retStr + "<td valign=top background=" + ICONPATH + "ftv2vertline.gif><img src='" + ICONPATH + "ftv2vertline.gif' width=16 height=22></td>"
- }
- if (leftSideCoded.charAt(i) == "0")
- {
- retStr = retStr + "<td valign=top><img src='" + ICONPATH + "ftv2blank.gif' width=16 height=22></td>"
- }
- }
- return retStr
- }
- function getID()
- {
- //define a .xID in all nodes (folders and items) if you want to PERVESTATE that
- //work when the tree changes. The value eXternal value must be unique for each
- //node and must node change when other nodes are added or removed
- //The value may be numeric or string, but cannot have the same char used in cookieCutter
- if (typeof this.xID != "undefined")
- return this.xID
- else
- return this.id
- }
- // Events
- // *********************************************************
- function clickOnFolder(folderId)
- {
- var clicked = findObj(folderId)
- if (typeof clicked=='undefined' || clicked==null)
- {
- alert("Treeview was not able to find the node object corresponding to ID=" + folderId + ". If the configuration file sets a.xID values, it must set them for ALL nodes, including the foldersTree root.")
- return;
- }
- if (!clicked.isOpen) {
- clickOnNodeObj(clicked)
- }
- if (lastOpenedFolder != null && lastOpenedFolder != folderId)
- clickOnNode(lastOpenedFolder); //sets lastOpenedFolder to null
- if (clicked.nChildren==0) {
- lastOpenedFolder = folderId;
- clicked.isLastOpenedfolder = true
- }
- if (isLinked(clicked.hreference)) {
- highlightObjLink(clicked);
- }
- }
- function clickOnNode(folderId)
- {
- fOb = findObj(folderId);
- if (typeof fOb=='undefined' || fOb==null)
- {
- alert("Treeview was not able to find the node object corresponding to ID=" + folderId + ". If the configuration file sets a.xID, it must set foldersTree.xID as well.")
- return;
- }
- clickOnNodeObj(fOb);
- }
- function clickOnNodeObj(folderObj)
- {
- var state = 0
- var currentOpen
- state = folderObj.isOpen
- folderObj.setState(!state) //open<->close
- if (folderObj.id!=foldersTree.id && PRESERVESTATE)
- {
- currentOpen = GetCookie("clickedFolder")
- if (currentOpen == null)
- currentOpen = ""
- if (!folderObj.isOpen) //closing
- {
- currentOpen = currentOpen.replace(folderObj.getID()+cookieCutter, "")
- SetCookie("clickedFolder", currentOpen)
- }
- else
- SetCookie("clickedFolder", currentOpen+folderObj.getID()+cookieCutter)
- }
- }
- function clickOnLink(clickedId, target, windowName) {
- highlightObjLink(findObj(clickedId));
- if (isLinked(target)) {
- window.open(target,windowName);
- }
- }
- function ld ()
- {
- return document.links.length-1
- }
- // Auxiliary Functions
- // *******************
- function finalizeCreationOfChildDocs(folderObj) {
- for(i=0; i < folderObj.nChildren; i++) {
- child = folderObj.children[i]
- if (typeof child[0] != 'undefined')
- {
- // Amazingly, arrays can have members, so a = ["a", "b"]; a.desc="asdas" works
- // If a doc was inserted as an array, we can transform it into an itemObj by adding
- // the missing members and functions
- child.desc = child[0]
- setItemLink(child, GLOBALTARGET, child[1])
- finalizeCreationOfItem(child)
- }
- }
- }
- function findObj(id)
- {
- var i=0;
- var nodeObj;
- if (typeof foldersTree.xID != "undefined") {
- nodeObj = indexOfEntries[i];
- for(i=0;i<nEntries&&indexOfEntries[i].xID!=id;i++) //may need optimization
- ;
- id = i
- }
- if (id >= nEntries)
- return null; //example: node removed in DB
- else
- return indexOfEntries[id];
- }
- function isLinked(hrefText) {
- var result = true;
- result = (result && hrefText !=null);
- result = (result && hrefText != '');
- result = (result && hrefText.indexOf('undefined') < 0);
- result = (result && hrefText.indexOf('parent.op') < 0);
- return result;
- }
- // Do highlighting by changing background and foreg. colors of folder or doc text
- function highlightObjLink(nodeObj) {
- if (!HIGHLIGHT || nodeObj==null || nodeObj.maySelect==false) {//node deleted in DB
- return;
- }
- if (browserVersion == 1 || browserVersion == 3) {
- var clickedDOMObj = getElById('itemTextLink'+nodeObj.id);
- if (clickedDOMObj != null) {
- if (lastClicked != null) {
- var prevClickedDOMObj = getElById('itemTextLink'+lastClicked.id);
- prevClickedDOMObj.style.color=lastClickedColor;
- prevClickedDOMObj.style.backgroundColor=lastClickedBgColor;
- }
- lastClickedColor = clickedDOMObj.style.color;
- lastClickedBgColor = clickedDOMObj.style.backgroundColor;
- clickedDOMObj.style.color=HIGHLIGHT_COLOR;
- clickedDOMObj.style.backgroundColor=HIGHLIGHT_BG;
- }
- }
- lastClicked = nodeObj;
- if (PRESERVESTATE)
- SetCookie('highlightedTreeviewLink', nodeObj.getID());
- }
- function insFld(parentFolder, childFolder)
- {
- return parentFolder.addChild(childFolder)
- }
- function insDoc(parentFolder, document)
- {
- return parentFolder.addChild(document)
- }
- function gFld(description, hreference)
- {
- folder = new Folder(description, hreference);
- return folder;
- }
- function gLnk(optionFlags, description, linkData)
- {
- if (optionFlags>=0) { //is numeric (old style) or empty (error)
- //Target changed from numeric to string in Aug 2002, and support for numeric style was entirely dropped in Mar 2004
- alert("Change your Treeview configuration file to use the new style of target argument in gLnk");
- return;
- }
- newItem = new Item(description);
- setItemLink(newItem, optionFlags, linkData);
- return newItem;
- }
- function setItemLink(item, optionFlags, linkData) {
- var targetFlag = "";
- var target = "";
- var protocolFlag = "";
- var protocol = "";
- 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:"
- }
- item.link = protocol+linkData;
- item.target = target
- }
- //Function created for backwards compatibility purposes
- //Function contents voided in March 2004
- function oldGLnk(target, description, linkData)
- {
- }
- 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)
- clickOnNodeObj(foldersTree);
- if (!STARTALLOPEN && (browserVersion > 0) && PRESERVESTATE)
- PersistentFolderOpening();
- }
- //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 PRESERVESTATE variable is set to 1 (default 0)
- // The separator currently in use is ^ (chr 94)
- // ***********************************************************
- function PersistentFolderOpening()
- {
- var stateInCookie;
- var fldStr=""
- var fldArr
- var fldPos=0
- var id
- var nodeObj
- stateInCookie = GetCookie("clickedFolder");
- SetCookie('clickedFolder', "") //at the end of function it will be back, minus null cases
- if(stateInCookie!=null)
- {
- fldArr = stateInCookie.split(cookieCutter)
- for (fldPos=0; fldPos<fldArr.length; fldPos++)
- {
- fldStr=fldArr[fldPos]
- if (fldStr != "") {
- nodeObj = findObj(fldStr)
- if (nodeObj!=null) //may have been deleted
- if (nodeObj.setState) {
- nodeObj.forceOpeningOfAncestorFolders()
- clickOnNodeObj(nodeObj);
- }
- else
- alert("Internal id is not pointing to a folder anymore.nConsider giving an ID to the tree and external IDs to the individual nodes.")
- }
- }
- }
- }
- function storeAllNodesInClickCookie(treeNodeObj)
- {
- var currentOpen
- var i = 0
- if (typeof treeNodeObj.setState != "undefined") //is folder
- {
- currentOpen = GetCookie("clickedFolder")
- if (currentOpen == null)
- currentOpen = ""
- if (treeNodeObj.getID() != foldersTree.getID())
- SetCookie("clickedFolder", currentOpen+treeNodeObj.getID()+cookieCutter)
- for (i=0; i < treeNodeObj.nChildren; i++)
- storeAllNodesInClickCookie(treeNodeObj.children[i])
- }
- }
- function CookieBranding(name) {
- if (typeof foldersTree.treeID != "undefined")
- return name+foldersTree.treeID //needed for multi-tree sites. make sure treeId does not contain cookieCutter
- else
- return name
- }
- function GetCookie(name)
- {
- name = CookieBranding(name)
- var arg = name + "=";
- var alen = arg.length;
- var clen = document.cookie.length;
- var i = 0;
- while (i < clen) {
- var j = i + alen;
- if (document.cookie.substring(i, j) == arg)
- return getCookieVal (j);
- i = document.cookie.indexOf(" ", i) + 1;
- if (i == 0) break;
- }
- return null;
- }
- function getCookieVal(offset) {
- var endstr = document.cookie.indexOf (";", offset);
- if (endstr == -1)
- endstr = document.cookie.length;
- return unescape(document.cookie.substring(offset, endstr));
- }
- function SetCookie(name, value)
- {
- var argv = SetCookie.arguments;
- var argc = SetCookie.arguments.length;
- var expires = (argc > 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
- name = CookieBranding(name)
- document.cookie = name + "=" + escape (value) +
- ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
- ((path == null) ? "" : ("; path=" + path)) +
- ((domain == null) ? "" : ("; domain=" + domain)) +
- ((secure == true) ? "; secure" : "");
- }
- function ExpireCookie (name)
- {
- var exp = new Date();
- exp.setTime (exp.getTime() - 1);
- var cval = GetCookie (name);
- name = CookieBranding(name)
- document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
- }
- //To customize the tree, overwrite these variables in the configuration file (demoFramesetNode.js, etc.)
- var USETEXTLINKS = 0;
- var STARTALLOPEN = 0;
- var USEFRAMES = 1;
- var USEICONS = 1;
- var WRAPTEXT = 0;
- var PERSERVESTATE = 0; //backward compatibility
- var PRESERVESTATE = 0;
- var ICONPATH = '';
- var HIGHLIGHT = 0;
- var HIGHLIGHT_COLOR = 'white';
- var HIGHLIGHT_BG = 'blue';
- var BUILDALL = 0;
- var GLOBALTARGET = "R"; // variable only applicable for addChildren uses
- //Other variables
- var lastClicked = null;
- var lastClickedColor;
- var lastClickedBgColor;
- var indexOfEntries = new Array
- var nEntries = 0
- var browserVersion = 0
- var selectedFolder=0
- var lastOpenedFolder=null
- var t=5
- var doc = document
- var supportsDeferral = false
- var cookieCutter = '^' //You can change this if you need to use ^ in your xID or treeID values
- doc.yPos = 0
- // 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 'opera':
- browserVersion = (navigator.version > 6 ? 1 : 0); //opera7 has a good DOM
- break;
- case 'nn4':
- browserVersion = 2 //NS4.x
- break;
- case 'gecko':
- browserVersion = 3 //NS6.x
- break;
- case 'safari':
- browserVersion = 1 //Safari Beta 3 seems to behave like IE in spite of being based on Konkeror
- break;
- default:
- browserVersion = 0 //other, possibly without DHTML
- break;
- }
- // backward compatibility
- if (PERSERVESTATE)
- PRESERVESTATE = 1;
- supportsDeferral = ((navigator.family=='ie4' && navigator.version >= 5 && navigator.OS != "mac") || browserVersion == 3);
- supportsDeferral = supportsDeferral & (!BUILDALL)
- if (!USEFRAMES && browserVersion == 2)
- browserVersion = 0;
- eval(String.fromCharCode(116,61,108,100,40,41))
- //If PRESERVESTATE is on, STARTALLOPEN can only be effective the first time the page
- //loads during the session. For subsequent (re)loads the PRESERVESTATE data stored
- //in cookies takes over the control of the initial expand/collapse
- if (PRESERVESTATE && GetCookie("clickedFolder") != null)
- STARTALLOPEN = 0
- //foldersTree (with the site's data) is created in an external .js (demoFramesetNode.js, for example)
- foldersTree.initialize(0, true, "")
- if (supportsDeferral && !STARTALLOPEN) {
- foldersTree.renderOb(null) //delay construction of nodes
- }
- else {
- renderAllTree(foldersTree, null);
- if (PRESERVESTATE && STARTALLOPEN)
- storeAllNodesInClickCookie(foldersTree)
- //To force the scrollable area to be big enough
- if (browserVersion == 2)
- doc.write("<layer top=" + indexOfEntries[nEntries-1].navObj.top + "> </layer>")
- if (browserVersion != 0 && !STARTALLOPEN)
- hideWholeTree(foldersTree, false, 0)
- }
- setInitialLayout()
- if (PRESERVESTATE && GetCookie('highlightedTreeviewLink')!=null && GetCookie('highlightedTreeviewLink')!="") {
- var nodeObj = findObj(GetCookie('highlightedTreeviewLink'))
- if (nodeObj!=null){
- nodeObj.forceOpeningOfAncestorFolders()
- highlightObjLink(nodeObj);
- }
- else
- SetCookie('highlightedTreeviewLink', '')
- }
- }