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//****************************************************************
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// You must keep this copyright notice:
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//
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// This script is Copyright (c) 2006 by Conor O'Mahony.
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// For inquiries, please email GubuSoft@GubuSoft.com.
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// GubuSoft is owned and operated by Conor O'Mahony.
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// Original author of TreeView script is Marcelino Martins.
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//
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// Do not download the script's files from here. For a free
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// download and full instructions go to the following site:
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// http://www.TreeView.net
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//****************************************************************
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// Log of changes:
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// 26 Sep 06 - Updated preLoadIcons function;
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// Fix small bugs or typos (in the Folder, InitializeFolder,
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// and blockStartHTML functions)
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// 14 Feb 06 - Re-brand as GubuSoft
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// 08 Jun 04 - Very small change to one error message
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// 21 Mar 04 - Support for folder.addChildren allows for much bigger trees
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// 12 May 03 - Support for Safari Beta 3
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// 01 Mar 03 - VERSION 4.3 - Support for checkboxes
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// 21 Feb 03 - Added support for Opera 7
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// 22 Sep 02 - Added maySelect member for node-by-node control
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// of selection and highlight
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// 21 Sep 02 - Cookie values are now separated by cookieCutter
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// 12 Sep 02 - VERSION 4.2 - Can highlight Selected Nodes and
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// can preserve state through external (DB) IDs
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// 29 Aug 02 - Fine tune 'supportDeferral' for IE4 and IE Mac
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// 25 Aug 02 - Fixes: STARTALLOPEN, and multi-page frameless
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// 09 Aug 02 - Fix repeated folder on Mozilla 1.x
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// 31 Jul 02 - VERSION 4.1 - Dramatic speed increase for trees
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// with hundreds or thousands of nodes; changes to the control
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// flags of the gLnk function
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// 18 Jul 02 - Changes in pre-load images function
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// 13 Jun 02 - Add ICONPATH var to allow for gif subdir
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// 20 Apr 02 - Improve support for frame-less layout
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// 07 Apr 02 - Minor changes to support server-side dynamic feeding
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// (example: FavoritesManagerASP)
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// Definition of class Folder
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// *****************************************************************
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function Folder(folderDescription, hreference) //constructor
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{
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//constant data
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this.desc = folderDescription;
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this.hreference = hreference;
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this.id = -1;
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this.navObj = 0;
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this.iconImg = 0;
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this.nodeImg = 0;
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this.iconSrc = ICONPATH + "ftv2folderopen.gif";
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this.iconSrcClosed = ICONPATH + "ftv2folderclosed.gif";
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this.children = new Array;
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this.nChildren = 0;
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this.level = 0;
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this.leftSideCoded = "";
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this.isLastNode=false;
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this.parentObj = null;
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this.maySelect=true;
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this.prependHTML = ""
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//dynamic data
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this.isOpen = false
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this.isLastOpenedFolder = false
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this.isRendered = 0
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//methods
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this.initialize = initializeFolder
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this.setState = setStateFolder
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this.addChild = addChild
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this.addChildren = addChildren
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this.createIndex = createEntryIndex
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this.escondeBlock = escondeBlock
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this.esconde = escondeFolder
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this.folderMstr = folderMstr
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this.renderOb = drawFolder
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this.totalHeight = totalHeight
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this.subEntries = folderSubEntries
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this.linkHTML = linkFolderHTML
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this.blockStartHTML = blockStartHTML
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this.blockEndHTML = blockEndHTML
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this.nodeImageSrc = nodeImageSrc
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this.iconImageSrc = iconImageSrc
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this.getID = getID
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this.forceOpeningOfAncestorFolders = forceOpeningOfAncestorFolders
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}
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function initializeFolder(level, lastNode, leftSide)
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{
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var i=0
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nc = this.nChildren
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this.createIndex()
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this.level = level
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this.leftSideCoded = leftSide
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if (browserVersion == 0 || STARTALLOPEN==1)
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this.isOpen=true;
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if (level>0)
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if (lastNode) //the last child in the children array
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leftSide = leftSide + "0"
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else
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leftSide = leftSide + "1"
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this.isLastNode = lastNode
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if (nc > 0)
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{
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level = level + 1
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for (i=0 ; i < this.nChildren; i++)
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{
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if (typeof this.children[i].initialize == 'undefined') //document node was specified using the addChildren function
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{
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if (typeof this.children[i][0] == 'undefined' || typeof this.children[i] == 'string')
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{
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this.children[i] = ["item incorrectly defined", ""];
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}
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//Basic initialization of the Item object
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//These members or methods are needed even before the Item is rendered
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this.children[i].initialize=initializeItem;
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this.children[i].createIndex=createEntryIndex;
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if (typeof this.children[i].maySelect == 'undefined')
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this.children[i].maySelect=true
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this.children[i].forceOpeningOfAncestorFolders = forceOpeningOfAncestorFolders
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}
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if (i == this.nChildren-1)
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this.children[i].initialize(level, 1, leftSide)
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else
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this.children[i].initialize(level, 0, leftSide)
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}
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}
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}
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function drawFolder(insertAtObj)
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{
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var nodeName = ""
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var auxEv = ""
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var docW = ""
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var i=0
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finalizeCreationOfChildDocs(this)
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var leftSide = leftSideHTML(this.leftSideCoded)
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if (browserVersion > 0)
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auxEv = "<a href='javascript:clickOnNode(\""+this.getID()+"\")'>"
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else
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auxEv = "<a>"
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nodeName = this.nodeImageSrc()
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if (this.level>0)
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if (this.isLastNode) //the last child in the children array
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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>"
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else
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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>"
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this.isRendered = 1
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if (browserVersion == 2) {
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if (!doc.yPos)
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doc.yPos=20
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}
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docW = this.blockStartHTML("folder");
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docW = docW + "<tr>" + leftSide + "<td valign=top>";
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if (USEICONS)
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{
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docW = docW + this.linkHTML(false)
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docW = docW + "<img id='folderIcon" + this.id + "' name='folderIcon" + this.id + "' src='" + this.iconImageSrc() + "' border=0></a>"
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}
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else
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{
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if (this.prependHTML == "")
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docW = docW + "<img src=" + ICONPATH + "ftv2blank.gif height=2 width=2>"
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}
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if (WRAPTEXT)
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docW = docW + "</td>"+this.prependHTML+"<td valign=middle width=100%>"
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else
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docW = docW + "</td>"+this.prependHTML+"<td valign=middle nowrap width=100%>"
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if (USETEXTLINKS)
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{
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docW = docW + this.linkHTML(true)
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docW = docW + this.desc + "</a>"
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}
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else
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docW = docW + this.desc
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docW = docW + "</td>"
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docW = docW + this.blockEndHTML()
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if (insertAtObj == null)
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{
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if (supportsDeferral) {
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doc.write("<div id=domRoot></div>") //transition between regular flow HTML, and node-insert DOM DHTML
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insertAtObj = getElById("domRoot")
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insertAtObj.insertAdjacentHTML("beforeEnd", docW)
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}
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else
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doc.write(docW)
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}
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else
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{
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insertAtObj.insertAdjacentHTML("afterEnd", docW)
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}
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if (browserVersion == 2)
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{
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this.navObj = doc.layers["folder"+this.id]
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if (USEICONS)
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this.iconImg = this.navObj.document.images["folderIcon"+this.id]
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this.nodeImg = this.navObj.document.images["nodeIcon"+this.id]
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doc.yPos=doc.yPos+this.navObj.clip.height
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}
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else if (browserVersion != 0)
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{
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this.navObj = getElById("folder"+this.id)
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if (USEICONS)
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this.iconImg = getElById("folderIcon"+this.id)
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this.nodeImg = getElById("nodeIcon"+this.id)
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}
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}
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function setStateFolder(isOpen)
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{
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var subEntries
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var totalHeight
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var fIt = 0
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var i=0
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var currentOpen
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if (isOpen == this.isOpen)
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return
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if (browserVersion == 2)
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{
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totalHeight = 0
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for (i=0; i < this.nChildren; i++)
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totalHeight = totalHeight + this.children[i].navObj.clip.height
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subEntries = this.subEntries()
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if (this.isOpen)
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totalHeight = 0 - totalHeight
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for (fIt = this.id + subEntries + 1; fIt < nEntries; fIt++)
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indexOfEntries[fIt].navObj.moveBy(0, totalHeight)
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}
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this.isOpen = isOpen;
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if (this.getID()!=foldersTree.getID() && PRESERVESTATE && !this.isOpen) //closing
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{
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currentOpen = GetCookie("clickedFolder")
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if (currentOpen != null) {
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currentOpen = currentOpen.replace(this.getID()+cookieCutter, "")
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SetCookie("clickedFolder", currentOpen)
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}
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}
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if (!this.isOpen && this.isLastOpenedfolder)
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{
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lastOpenedFolder = null;
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this.isLastOpenedfolder = false;
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}
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propagateChangesInState(this)
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}
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function propagateChangesInState(folder)
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{
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var i=0
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//Change icon
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if (folder.nChildren > 0 && folder.level>0) //otherwise the one given at render stays
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folder.nodeImg.src = folder.nodeImageSrc()
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//Change node
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if (USEICONS)
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folder.iconImg.src = folder.iconImageSrc()
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//Propagate changes
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for (i=folder.nChildren-1; i>=0; i--) {
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if (folder.isOpen)
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folder.children[i].folderMstr(folder.navObj)
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else
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folder.children[i].esconde()
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}
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}
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function escondeFolder()
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{
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this.escondeBlock()
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this.setState(0)
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}
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function linkFolderHTML(isTextLink)
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{
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var docW = "";
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if (this.hreference)
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{
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if (USEFRAMES)
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docW = docW + "<a href='" + this.hreference + "' TARGET=\"basefrm\" "
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else
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docW = docW + "<a href='" + this.hreference + "' TARGET=_top "
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if (isTextLink) {
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docW += "id=\"itemTextLink"+this.id+"\" ";
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}
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if (browserVersion > 0)
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docW = docW + "onClick='javascript:clickOnFolder(\""+this.getID()+"\")'"
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docW = docW + ">"
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}
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else
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docW = docW + "<a>"
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return docW;
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}
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function addChild(childNode)
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{
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this.children[this.nChildren] = childNode
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childNode.parentObj = this
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this.nChildren++
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return childNode
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}
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//The list can contain either a Folder object or a sub list with the arguments for Item
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function addChildren(listOfChildren)
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{
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this.children = listOfChildren
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this.nChildren = listOfChildren.length
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for (i=0; i<this.nChildren; i++)
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this.children[i].parentObj = this
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}
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function folderSubEntries()
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{
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var i = 0
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var se = this.nChildren
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for (i=0; i < this.nChildren; i++){
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if (this.children[i].children) //is a folder
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se = se + this.children[i].subEntries()
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}
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return se
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}
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function nodeImageSrc() {
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var srcStr = "";
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if (this.isLastNode) //the last child in the children array
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{
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if (this.nChildren == 0)
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srcStr = ICONPATH + "ftv2lastnode.gif"
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else
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if (this.isOpen)
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srcStr = ICONPATH + "ftv2mlastnode.gif"
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else
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srcStr = ICONPATH + "ftv2plastnode.gif"
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}
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else
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{
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if (this.nChildren == 0)
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srcStr = ICONPATH + "ftv2node.gif"
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else
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if (this.isOpen)
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srcStr = ICONPATH + "ftv2mnode.gif"
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else
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srcStr = ICONPATH + "ftv2pnode.gif"
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}
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return srcStr;
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}
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function iconImageSrc() {
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if (this.isOpen)
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return(this.iconSrc)
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else
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return(this.iconSrcClosed)
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}
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// Definition of class Item (a document or link inside a Folder)
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// *************************************************************
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function Item(itemDescription) // Constructor
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{
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// constant data
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this.desc = itemDescription
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this.level = 0
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this.isLastNode = false
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this.leftSideCoded = ""
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this.parentObj = null
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this.maySelect=true
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this.initialize = initializeItem;
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this.createIndex = createEntryIndex;
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this.forceOpeningOfAncestorFolders = forceOpeningOfAncestorFolders;
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finalizeCreationOfItem(this)
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}
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//Assignments that can be delayed when the item is created with folder.addChildren
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//The assignments that cannot be delayed are done in addChildren and in initializeFolder
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//Additionaly, some assignments are also done in finalizeCreationOfChildDocs itself
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function finalizeCreationOfItem(itemArray)
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{
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itemArray.navObj = 0 //initialized in render()
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itemArray.iconImg = 0 //initialized in render()
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itemArray.iconSrc = ICONPATH + "ftv2doc.gif"
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itemArray.isRendered = 0
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itemArray.nChildren = 0
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itemArray.prependHTML = ""
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// methods
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itemArray.escondeBlock = escondeBlock
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itemArray.esconde = escondeBlock
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itemArray.folderMstr = folderMstr
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itemArray.renderOb = drawItem
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itemArray.totalHeight = totalHeight
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itemArray.blockStartHTML = blockStartHTML
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itemArray.blockEndHTML = blockEndHTML
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itemArray.getID = getID
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}
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function initializeItem(level, lastNode, leftSide)
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{
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this.createIndex()
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this.level = level
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this.leftSideCoded = leftSide
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this.isLastNode = lastNode
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}
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function drawItem(insertAtObj)
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{
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var leftSide = leftSideHTML(this.leftSideCoded)
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var docW = ""
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var fullLink = "href=\""+this.link+"\" target=\""+this.target+"\" onClick=\"clickOnLink('"+this.getID()+"\', '"+this.link+"','"+this.target+"');return false;\"";
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this.isRendered = 1
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if (this.level>0)
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if (this.isLastNode) //the last 'brother' in the children array
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{
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leftSide = leftSide + "<td valign=top><img src='" + ICONPATH + "ftv2lastnode.gif' width=16 height=22></td>"
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}
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else
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{
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leftSide = leftSide + "<td valign=top background=" + ICONPATH + "ftv2vertline.gif><img src='" + ICONPATH + "ftv2node.gif' width=16 height=22></td>"
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}
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docW = docW + this.blockStartHTML("item")
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docW = docW + "<tr>" + leftSide + "<td valign=top>"
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if (USEICONS)
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docW = docW + "<a " + fullLink + " id=\"itemIconLink"+this.id+"\">" + "<img id='itemIcon"+this.id+"' " + "src='"+this.iconSrc+"' border=0>" + "</a>"
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else
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if (this.prependHTML == "")
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docW = docW + "<img src=" + ICONPATH + "ftv2blank.gif height=2 width=3>"
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if (WRAPTEXT)
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docW = docW + "</td>"+this.prependHTML+"<td valign=middle width=100%>"
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else
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docW = docW + "</td>"+this.prependHTML+"<td valign=middle nowrap width=100%>"
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if (USETEXTLINKS)
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docW = docW + "<a " + fullLink + " id=\"itemTextLink"+this.id+"\">" + this.desc + "</a>"
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else
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docW = docW + this.desc
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docW = docW + "</td>"
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docW = docW + this.blockEndHTML()
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if (insertAtObj == null)
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{
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doc.write(docW)
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}
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else
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{
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insertAtObj.insertAdjacentHTML("afterEnd", docW)
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}
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if (browserVersion == 2) {
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this.navObj = doc.layers["item"+this.id]
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if (USEICONS)
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this.iconImg = this.navObj.document.images["itemIcon"+this.id]
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doc.yPos=doc.yPos+this.navObj.clip.height
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} else if (browserVersion != 0) {
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this.navObj = getElById("item"+this.id)
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if (USEICONS)
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this.iconImg = getElById("itemIcon"+this.id)
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}
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}
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|
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// Methods common to both objects (pseudo-inheritance)
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// ********************************************************
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function forceOpeningOfAncestorFolders() {
|
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if (this.parentObj == null || this.parentObj.isOpen)
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return
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else {
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this.parentObj.forceOpeningOfAncestorFolders()
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clickOnNodeObj(this.parentObj)
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}
|
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}
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function escondeBlock()
|
|
{
|
|
if (browserVersion == 1 || browserVersion == 3) {
|
|
if (this.navObj.style.display == "none")
|
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return
|
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this.navObj.style.display = "none"
|
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} else {
|
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if (this.navObj.visibility == "hidden")
|
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return
|
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this.navObj.visibility = "hidden"
|
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}
|
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}
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|
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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;'>"
|
|
|
|
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() {
|
|
arImageSrc = new Array (
|
|
"ftv2vertline.gif",
|
|
"ftv2mlastnode.gif",
|
|
"ftv2mnode.gif",
|
|
"ftv2plastnode.gif",
|
|
"ftv2pnode.gif",
|
|
"ftv2blank.gif",
|
|
"ftv2lastnode.gif",
|
|
"ftv2node.gif",
|
|
"ftv2folderclosed.gif",
|
|
"ftv2folderopen.gif",
|
|
"ftv2doc.gif"
|
|
)
|
|
arImageList = new Array ();
|
|
for (counter in arImageSrc) {
|
|
arImageList[counter] = new Image();
|
|
arImageList[counter].src = ICONPATH + arImageSrc[counter];
|
|
}
|
|
}
|
|
|
|
//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;
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var GLOBALTARGET = "R"; // variable only applicable for addChildren uses
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|
|
|
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//Other variables
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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', '')
|
|
}
|
|
}
|
|
|
