var TreeImgPath = 'images/'; // Path to images for the tree
var TreeLastURL='';
var TreeShowNumbers = true; //Show or hide the tree numbers
var TreeBackColor = "#FFFFFF"; // background color of the HTML table the tree resides in
var TreeNormalColor = "#000000"; // color of unselected nodes
var TreeCurrentColor = "#507FC7"; // color of selected node
var TreeTitleColor = "#507FC7";
var TreeLevel = 0;
var TreeTextSizes = new Array(1, 0.8, 0.7, 0.9, 0.8);
var TreeFontTitle = "Helvetica,Arial"; // font type of tree nodes
var TreeFontLines = "Helvetica,Arial"; // font type of tree nodes
var TreeLastIndex=0; // Last tree node selected array index
// Preload our tree images
var imgMinus = new Image(); imgMinus.src = TreeImgPath + 'ArrowDown.jpg';
var imgPlus = new Image(); imgPlus.src = TreeImgPath + 'ArrowRight.jpg';
var imgLeaf = new Image(); imgLeaf.src = TreeImgPath + 'ArrowLeaf.gif';
// You'll want to implement your owner browser checking functions. This example is
// far from adequate for production use.
var fIsIE=true;
if (navigator.appName.toUpperCase() == 'NETSCAPE') {fIsIE=false;}
function TreeDisplayNode(TreeNumber,currentIsExpanded)
{
var sH = '';
var TreeNumArray = TreeNumber.split(".");
var CurrentNodeLevel = TreeNumArray.length-1;
var scrollY=0;
var addScroll=true;
var theHref="";
var sParentReloadTreeID="noreload";
var oInputArray = new Array();
// Before advancing to the next node, let's see if we need to validate the current page in the IFRAME.
if (ValidateChildForm() == false) { return false; }
// Use a JavaScript array for our string concatenation because it will drastically increase speed.
oInputArray.push("\n\nMy Tree Title\n\n\n
\n");
// Don't allow the user to select a node while a page is being loaded in the IFRAME.
try { if (GetFormValue("ChildLoaded")!='1') { return false; }}
catch (exception) { }
try
{
// Set the font sizes based on whether we are using IE or NS.
if (fIsIE==true) { var mdi=TreeTextSizes[1], sml=TreeTextSizes[2]; }
else { var mdi=TreeTextSizes[3], sml=TreeTextSizes[4]; }
// Begin reconstructing the tree
for (i=0; i 0)
{
for (j=0; jCurrentNodeLevel)?false:toDisplay && (thisNumArray[j] == TreeNumArray[j]);
}
}
thisIsExpanded = toDisplay && (thisNumArray[thisLevel] == TreeNumArray[thisLevel])
if (currentIsExpanded)
{
toDisplay = toDisplay && (thisLevel<=CurrentNodeLevel);
if (isTreeNumber) thisIsExpanded = false;
}
if (toDisplay)
{
if (i!=0)
{
if (addScroll) scrollY+=((thisLevel<2)?mdi:sml)*25;
if (isTreeNumber) addScroll=false;
var isLeaf = (i==TreeNodes.length-1) || (thisLevel >= TreeNodes[i+1][0].split(".").length-1);
img = (isLeaf)?"ArrowLeaf.gif":(thisIsExpanded)?"ArrowDown.jpg":"ArrowRight.jpg";
oInputArray.push("
");
for (k=1; k<=thisLevel; k++) { oInputArray.push("
"); }
if (isTreeNumber) { TreeLastIndex = i; }
oInputArray.push("
\n");
sH = oInputArray.join(' ');
// sH now contains an HTML table representing the contents of the tree that should be visible. We'll repopulate the DIV layer with our tree.
document.getElementById("divTree").innerHTML = sH;
if (theHref != "")
{
if (TreeLastURL !="")
{
// If page associated with 100.2 changed the structure of the tree (ParentReload would have been set by the 100_2 IFRAME page), then set
// our default.asp page to reload after 100_2 has been submitted.
// If we have other tree id's that could alter the structure of the tree, we'd want to include a case for that here as well.
if ((TreeNumber == '100.2') && (document.frmSubmit.ParentReload.value == '1')) { sParentReloadTreeID='100_2'; }
// Before submitting the current IFRAME page to itself, we'll set the tree to an Unloaded state to prevent clicks on nodes before
// the IFRAME page has finished loading.
if (fIsIE==true)
{ SetChildUnLoaded(); document.ifWorkspace.frmSubmit.NextURL.value=theHref; document.ifWorkspace.frmSubmit.submit(); }
else
{ SetChildUnLoaded(); window.frames['ifWorkspace'].document.frmSubmit.NextURL.value=theHref; window.frames['ifWorkspace'].document.frmSubmit.submit(); }
// Do we need to reload the default.asp page because of tree structure change?
if (sParentReloadTreeID!="noreload")
{
// If IE, simply run a TimeOut waiting for the IFRAME page to finish processing, then reload default.asp. Our ASP code should have
// a method to take the querystring value "nexttreeid" and land on a specific tree node when the page loads.
if (CheckIsIE() == true)
{
WaitForChildLoad();
document.location.href="default.asp?nexttreeid=" + sParentReloadTreeID;
}
else
{
// Netscape is screwy when it comes to page reloads. The code below is a work around to literally force Netscape
// to not use what is in memory or disk cache when we reload default.asp.
WaitForChildLoad();
window.location.reload( true );
window.location.reload( true );
var randomnumber=Math.floor(Math.random()*10000)
document.location.href="default.asp?nexttreeid=" + sParentReloadTreeID + "&ns=" + randomnumber;
}
}
}
}
}
catch (exception)
{
if (exception.description == null) { alert("Exception: " + exception.message); }
else { alert("Exception: " + exception.description); }
}
TreeLastURL = theHref;
}
function WaitForChildLoad()
{
// Used to wait until the IFRAME page has finished processing before performing the next task.
oTimeOut = window.setTimeout("CheckChildLoaded()","250");
}
function CheckChildLoaded()
{
try
{
if (GetFormValue("ChildLoaded")==1) { window.clearTimeout(oTimeOut); return true; }
else { return false; }
}
catch (exception) { alert("CheckChildLoaded: " + exception.description); return false; }
}
function GetNextTreeID()
{
// Many times, we'll want our IFRAME page to take us forward and backward through the tree.
// This function looks are the current tree node and advances to the next item in our tree array.
var lCurIndex=0;
var sNextTreeID="0";
var currentArray;
var TreeNumArray;
lCurIndex = TreeLastIndex + 1;
for (lCurIndex = TreeLastIndex + 1;lCurIndex