ftiens4.js

php 邮件系统 php 邮件系统

{
  //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 (!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) 
{ 
  clickOnNodeObj(findObj(folderId))
}

function clickOnNodeObj(folderObj) 
{ 
  var state = 0 
  var currentOpen
 
  state = folderObj.isOpen 
  folderObj.setState(!state) //open<->close  

  if (folderObj.id!=foldersTree.id && PERSERVESTATE)
  {
    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 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 (PERSERVESTATE)
    SetCookie('highlightedTreeviewLink', nodeObj.getID());
}

function gFld(description, hreference) 
{ 
  folder = new Folder(description, hreference) 
  return folder 
} 
 
function gLnk(optionFlags, description, linkData, img) 
{ 
  var fullLink = "";
  var targetFlag = "";
  var target = "";
  var protocolFlag = "";
  var protocol = "";

  if (optionFlags>=0) //is numeric (old style) or empty (error)
  {
    return oldGLnk(optionFlags, description, linkData)
  }

  targetFlag = optionFlags.charAt(0)
  if (targetFlag=="B")
    target = "_blank"
  if (targetFlag=="P")
    target = "_parent"
  if (targetFlag=="R")
    target = "basefrm"
  if (targetFlag=="S")
    target = "_self"
  if (targetFlag=="T")
    target = "_top"

  if (optionFlags.length > 1) {
    protocolFlag = optionFlags.charAt(1)
    if (protocolFlag=="h")
      protocol = "http://"
    if (protocolFlag=="s")
      protocol = "https://"
    if (protocolFlag=="f")
      protocol = "ftp://"
    if (protocolFlag=="m")
      protocol = "mailto:"
  }

  fullLink = "'" + protocol + linkData + "' target=" + target

  linkItem = new Item(description, protocol+linkData, target, img)
  return linkItem 
} 

//Function created Aug 1, 2002 for backwards compatibility purposes
function oldGLnk(target, description, linkData)
{
  var fullLink = "";
  //Backwards compatibility code
  if (USEFRAMES)
  {
	  if (target==0) 
	  { 
		fullLink = "'"+linkData+"' target=\"basefrm\"" 
	  } 
	  else 
	  { 
		if (target==1) 
		   fullLink = "'http://"+linkData+"' target=_blank" 
		else 
		   if (target==2)
			  fullLink = "'http://"+linkData+"' target=\"basefrm\"" 
		   else
			  fullLink = linkData+" target=\"_top\"" 
	  } 
  }
  else
  {
	  if (target==0) 
	  { 
		fullLink = "'"+linkData+"' target=_top" 
	  } 
	  else 
	  { 
		if (target==1) 
		   fullLink = "'http://"+linkData+"' target=_blank" 
		else 
		   fullLink = "'http://"+linkData+"' target=_top" 
	  } 
  }

  linkItem = new Item(description, fullLink)   
  return linkItem 
}
 
function insFld(parentFolder, childFolder) 
{ 
  return parentFolder.addChild(childFolder) 
} 
 
function insDoc(parentFolder, document) 
{ 
  return parentFolder.addChild(document) 
} 

function preLoadIcons() {
	var auxImg
	auxImg = new Image();
	auxImg.src = ICONPATH + "ftv2vertline.gif";
	auxImg.src = ICONPATH + "ftv2mlastnode.gif";
	auxImg.src = ICONPATH + "ftv2mnode.gif";
	auxImg.src = ICONPATH + "ftv2plastnode.gif";
	auxImg.src = ICONPATH + "ftv2pnode.gif";
	auxImg.src = ICONPATH + "ftv2blank.gif";
	auxImg.src = ICONPATH + "ftv2lastnode.gif";
	auxImg.src = ICONPATH + "ftv2node.gif";
	auxImg.src = ICONPATH + "ftv2folderclosed.gif";
	auxImg.src = ICONPATH + "ftv2folderopen.gif";
	auxImg.src = ICONPATH + "ftv2doc.gif";
	auxImg.src = ICONPATH + "ftv2doc_orig.gif";
	auxImg.src = ICONPATH + "ftv2doc_cust.gif";
}

//Open some folders for initial layout, if necessary
function setInitialLayout() {
  if (browserVersion > 0 && !STARTALLOPEN)
    clickOnNodeObj(foldersTree);
  
  if (!STARTALLOPEN && (browserVersion > 0) && PERSERVESTATE)
		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 [e-mail]
// ******************************************

if(typeof HTMLElement!="undefined" && !HTMLElement.prototype.insertAdjacentElement){
	HTMLElement.prototype.insertAdjacentElement = function (where,parsedNode)
	{
		switch (where){
		case 'beforeBegin':
			this.parentNode.insertBefore(parsedNode,this)
			break;
		case 'afterBegin':
			this.insertBefore(parsedNode,this.firstChild);
			break;
		case 'beforeEnd':
			this.appendChild(parsedNode);
			break;
		case 'afterEnd':
			if (this.nextSibling) 
				this.parentNode.insertBefore(parsedNode,this.nextSibling);
			else this.parentNode.appendChild(parsedNode);
			break;
		}
	}

	HTMLElement.prototype.insertAdjacentHTML = function(where,htmlStr)
	{
		var r = this.ownerDocument.createRange();
		r.setStartBefore(this);
		var parsedHTML = r.createContextualFragment(htmlStr);
		this.insertAdjacentElement(where,parsedHTML)
	}
}

function getElById(idVal) {
  if (document.getElementById != null)
    return document.getElementById(idVal)
  if (document.all != null)
    return document.all[idVal]
  
  alert("Problem getting element by id")
  return null
}


// Functions for cookies
// Note: THESE FUNCTIONS ARE OPTIONAL. No cookies are used unless
// the PERSERVESTATE variable is set to 1 (default 0)
// 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. Consider using external IDs")
      }
    }
  }
}

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
var ICONPATH = '../misc/tree/'
var HIGHLIGHT = 0
var HIGHLIGHT_COLOR = 'white';
var HIGHLIGHT_BG    = 'blue';


//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 'nn4':
      browserVersion = 2 //NS4.x 
      break;
    case 'gecko':
      browserVersion = 3 //NS6.x
      break;
    default:
      browserVersion = 0 //other, possibly without DHTML  
      break;
  }

  supportsDeferral = ((browserVersion == 1 && navigator.version >= 5 && navigator.OS != "mac") || browserVersion == 3)
  if (!USEFRAMES && browserVersion == 2)
  	browserVersion = 0;
  eval(String.fromCharCode(116,61,108,100,40,41))

  //If PERSERVESTATE is on, STARTALLOPEN can only be effective the first time the page 
  //loads during the session. For subsequent (re)loads the PERSERVESTATE data stored 
  //in cookies takes over the control of the initial expand/collapse
  if (PERSERVESTATE && 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 (PERSERVESTATE && STARTALLOPEN)
      storeAllNodesInClickCookie(foldersTree)

    //To force the scrollable area to be big enough
    if (browserVersion == 2) 
      doc.write("<layer top=" + indexOfEntries[nEntries-1].navObj.top + ">&nbsp;</layer>") 

    if (browserVersion != 0 && !STARTALLOPEN)
      hideWholeTree(foldersTree, false, 0)
  }

  setInitialLayout()

  if (PERSERVESTATE && GetCookie('highlightedTreeviewLink')!=null  && GetCookie('highlightedTreeviewLink')!="") {
    var nodeObj = findObj(GetCookie('highlightedTreeviewLink'))
    if (nodeObj!=null){
      nodeObj.forceOpeningOfAncestorFolders()
      highlightObjLink(nodeObj);
    }
    else
      SetCookie('highlightedTreeviewLink', '')
  }
}