/*
* EMULAB-COPYRIGHT
* Copyright (c) 2006-2010 University of Utah and the Flux Group.
* All rights reserved.
*/
/*
* Some utility stuff.
*/
var user_agent = navigator.userAgent.toLowerCase();
var is_safari = false;
var is_firefox = false;
var is_chrome = false;
if (user_agent.indexOf("safari") != -1) {
is_safari = true;
}
if (user_agent.indexOf("firefox") != -1) {
is_firefox = true;
}
if (user_agent.indexOf("chrome") != -1) {
is_chrome = true;
is_safari = false;
}
/* Clear the various 'loading' indicators. */
function ClearBusyIndicators(done_msg)
{
var busyimg = getObjbyName('busy');
var loadingspan = getObjbyName('loading');
var loadingdiv = getObjbyName('inner_loaddiv');
if (loadingdiv) {
loadingdiv.style.display = "none";
}
busyimg.style.display = "none";
busyimg.src = "1px.gif";
loadingspan.innerHTML = done_msg;
}
function HideBusyIndicators()
{
var loadingdiv = getObjbyName('outer_loaddiv');
ClearBusyIndicators('');
loadingdiv.style.display = "none";
}
/* Replace the current page */
function PageReplace(URL)
{
window.location.replace(URL);
}
function IframeDocument(id)
{
var oIframe = getObjbyName(id);
var oDoc = (oIframe.contentWindow || oIframe.contentDocument);
if (is_safari) {
if (oIframe.document)
return oIframe.document;
return null;
}
if (oDoc.document) {
return oDoc.document;
}
return oDoc;
}
function GraphChange_cb(html) {
grapharea = getObjbyName('grapharea');
if (grapharea) {
grapharea.innerHTML = html;
}
}
function GraphChange(which) {
var arg0 = "all";
var arg1 = "all";
var srcvnode = getObjbyName('trace_srcvnode');
if (srcvnode) {
arg0 = srcvnode.options[srcvnode.selectedIndex].value;
}
var dstvnode = getObjbyName('trace_dstvnode');
if (dstvnode) {
arg1 = dstvnode.options[dstvnode.selectedIndex].value;
}
x_GraphShow(which, arg0, arg1, GraphChange_cb);
return false;
}
function GetMaxHeight(id) {
var Iframe = getObjbyName(id);
var winheight = 0;
var yoff = 0;
// This tells us the total height of the browser window.
if (window.innerHeight) // all except Explorer
winheight = window.innerHeight;
else if (document.documentElement &&
document.documentElement.clientHeight)
// Explorer 6 Strict Mode
winheight = document.documentElement.clientHeight;
else if (document.body)
// other Explorers
winheight = document.body.clientHeight;
// Now get the Y offset of the outputframe.
yoff = Iframe.offsetTop;
if (winheight != 0) {
// Now calculate how much room is left and make the iframe
// big enough to use most of the rest of the window.
if (yoff != 0)
winheight = winheight - (yoff + 175);
else
winheight = winheight * 0.7;
}
return winheight;
}
function SetupOutputArea(id, clean) {
var Iframe = getObjbyName(id);
var IframeDoc = IframeDocument(id);
var winheight = GetMaxHeight(id);
if (clean == true) {
IframeDoc.open();
IframeDoc.write('' +
'');
IframeDoc.close();
}
Iframe.style.border = "2px solid";
Iframe.style.width = "98%";
Iframe.style.height = winheight + "px";
Iframe.height = winheight + "px";
Iframe.width = "98%";
Iframe.scrolling = "auto";
Iframe.frameBorder = "1";
}
function HideFrame(id) {
var Iframe = getObjbyName(id);
var IframeDoc = IframeDocument(id);
Iframe.style.border = "0px none";
Iframe.style.width = 0;
Iframe.style.height = 0;
Iframe.frameBorder = 0;
Iframe.height = 0;
Iframe.width = 0;
Iframe.scrolling = "no";
}
function ShowDownLoader(id) {
var Iframe = getObjbyName(id);
var winheight = GetMaxHeight(id);
Iframe.style.border = "2px solid";
Iframe.style.width = "98%";
Iframe.style.height = winheight + "px";
Iframe.height = winheight + "px";
Iframe.width = "98%";
Iframe.scrolling = "auto";
Iframe.frameBorder = "1";
}
/* @return The innerHeight of the window. */
function getInnerHeight(id) {
var retval;
var win = getObjbyName(id).contentWindow;
var doc = getObjbyName(id).contentWindow.document;
if (win.innerHeight)
// all except Explorer
retval = win.innerHeight;
else if (doc.documentElement && doc.documentElement.clientHeight)
// Explorer 6 Strict Mode
retval = doc.documentElement.clientHeight;
else if (doc.body)
// other Explorers
retval = doc.body.clientHeight;
return retval;
}
/* @return The scrollTop of the window. */
function getScrollTop(id) {
var retval;
var win = getObjbyName(id).contentWindow;
var doc = getObjbyName(id).contentWindow.document;
if (win.pageYOffset)
// all except Explorer
retval = win.pageYOffset;
else if (document.documentElement && document.documentElement.scrollTop)
// Explorer 6 Strict
retval = document.documentElement.scrollTop;
else if (document.body)
// all other Explorers
retval = document.body.scrollTop;
return retval;
}
/* @return The height of the document. */
function getScrollHeight(id) {
var retval;
var win = getObjbyName(id).contentWindow;
var doc = getObjbyName(id).contentWindow.document;
var test1 = doc.body.scrollHeight;
var test2 = doc.body.offsetHeight;
if (test1 > test2)
// all but Explorer Mac
retval = doc.body.scrollHeight;
else
// Explorer Mac;
// would also work in Explorer 6 Strict, Mozilla and Safari
retval = doc.body.offsetHeight;
return retval;
}
/* Write the text to the output area, keeping the cursor at the bottom. */
var lastLength = 0; // The length of the download text at the last update
var lastLine = ""; // The last line of the download text.
var firstLine = 1; // Flag.
function WriteOutputText(id, stuff) {
var Iframe = getObjbyName(id);
var idoc = IframeDocument(id);
var output = idoc.getElementById('outputarea');
/*
* Append new stuff to the last line from the previous call in case
* the previous line was only partially downloaded.
*/
var newData = lastLine + stuff.substring(lastLength);
var lines = newData.split("\n");
var newText = "";
// Globals
lastLength = stuff.length;
lastLine = "";
/*
* Record the size of the document before modifying it so we can see
* if we can automatically do the scroll.
*/
var ih = getInnerHeight(id);
var y = getScrollTop(id);
var h = getScrollHeight(id);
/* Iterate over lines */
for (i = 0; i < lines.length - 1; i++) {
var line = lines[i];
if (firstLine) {
if (line.search(/^[ \ ]*$/) >= 0) {
continue;
}
firstLine = 0;
}
newText += line + "\n";
}
// For next call
lastLine = lines[lines.length - 1];
// Add the new text to the DOM.
textNode = idoc.createTextNode(newText);
output.appendChild(textNode);
/* See if we should scroll the window down. */
var nh = getScrollHeight(id);
if ((h - (y + ih)) < (y == 0 ? 200 : 10)) {
idoc.documentElement.scrollTop = nh;
idoc.body.scrollTop = nh;
}
}
function GetInnerText(el) {
if (typeof el == "string")
return el;
if (typeof el == "undefined")
return "";
// Not needed but it is faster
if (el.innerText)
return el.innerText;
var str = "";
var cs = el.childNodes;
var l = cs.length;
for (var i = 0; i < l; i++) {
switch (cs[i].nodeType) {
case 1: //ELEMENT_NODE
str += GetInnerText(cs[i]);
break;
case 3: //TEXT_NODE
str += cs[i].nodeValue;
break;
}
}
return str;
}
/*
* @return The text in the given iframe. If the text is surrounded by ''
* tags (mozilla, IE), they will be stripped.
*/
function GetInputText(id) {
var ifr = getObjbyName(id);
var retval = null;
try {
var oDoc = (ifr.contentWindow || ifr.contentDocument);
if (oDoc.document) {
oDoc = oDoc.document;
}
for (lpc = 0; lpc < oDoc.childNodes.length; lpc++) {
text = GetInnerText(oDoc.childNodes[lpc]);
if (text != "") {
if (retval == null)
retval = "";
retval += text;
}
}
if (retval.indexOf("") != -1 || retval.indexOf("") != -1) {
retval = retval.substring(5, retval.length - 6);
}
}
catch (error) {
}
return retval;
}
/*
* Process, start and stop output.
*/
var OutputInterval;
var InputID;
var OutputID;
function LookforOutput() {
var stuff;
if ((stuff = GetInputText(InputID)) != null) {
WriteOutputText(OutputID, stuff);
}
}
function StartOutput(input_id, output_id) {
OutputID = output_id;
InputID = input_id;
firstLine = 1;
OutputInterval = setInterval('LookforOutput()', 1000);
}
function StopOutput() {
clearInterval(OutputInterval);
LookforOutput();
}
/*
* Cross browser support for finding objects by id.
*/
function getObjbyName(name) {
if (document.getElementById) {
return document.getElementById(name);
}
else if (document.all) {
return document.all[name];
}
else if (document.layers) {
return getObjNN4(document,name);
}
return null;
}
function getObjNN4(obj,name) {
var x = document.layers;
var foundLayer;
for (var i=0; i < x.length; i++) {
if (x[i].id == name)
foundLayer = x[i];
else if (x[i].layers.length)
var tmp = getObjNN4(x[i],name);
if (tmp) foundLayer = tmp;
}
return foundLayer;
}
function toggle_tableold(e_table, e_checkbox, e_title, e_footer) {
var id_table = getObjbyName(e_table);
var id_footer = getObjbyName(e_footer);
var id_title = getObjbyName(e_title);
var id_check = getObjbyName(e_checkbox);
var checked = id_check.checked;
//Set the object to table-cell if the browser is
//Firefox and block if it's anything else.
if (is_firefox || is_safari) {
if (! checked) {
id_table.style.display = "none";
if (id_footer) {
id_footer.style.display = "none";
}
if (id_title) {
id_title.style.display = "none";
}
}
else {
id_table.style.display = "table";
if (id_footer) {
id_footer.style.display = "block";
}
if (id_title) {
id_title.style.display = "block";
}
}
}
else {
if (! checked) {
id_table.style.display = "none";
if (id_footer) {
id_footer.style.display = "none";
}
if (id_title) {
id_title.style.display = "none";
}
}
else {
id_table.style.display = "block";
if (id_footer) {
id_footer.style.display = "block";
}
if (id_title) {
id_title.style.display = "block";
}
}
}
return true;
}
function toggle_table(e_table, e_checkbox) {
var id_table = getObjbyName(e_table);
var id_check = getObjbyName(e_checkbox);
var checked = id_check.checked;
if (! checked) {
id_table.style.display = "none";
}
else {
id_table.style.display = "block";
}
return true;
}
function toggle_menu(e_list, e_arrow) {
var id_list = getObjbyName(e_list);
var id_arrow = getObjbyName(e_arrow);
if (id_list.style.display == "none") {
id_list.style.display = "block";
id_arrow.src = "menu-expanded.png";
id_arrow.alt = "Collapse";
}
else {
id_list.style.display = "none";
id_arrow.src = "menu-collapsed.png";
id_arrow.alt = "Expand";
}
return true;
}
function PopUpWindow(text)
{
var newWinHeight = 400;
var newWinWidth = 700;
var newWinTop = (screen.height-newWinHeight)/2;
var newWinLeft = (screen.width-newWinWidth)/2;
var winProps = eval('"resizable=yes,menubar=no,toolbar=no,scrollbars=yes,top=" +newWinTop+ ",left=" +newWinLeft+ ",width=" +newWinWidth+ ",height=" +newWinHeight');
myWindow = window.open('', "XML", winProps);
myWindow.document.write('XML');
myWindow.document.write('<![CDATA[' + text + ']]>');
myWindow.document.close();
}