zydronium/websitepanel
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Initial project's source code check-in.

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ptsurbeleu 2011-07-13 16:07:32 -07:00
commit b03b0b373f
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130
WebsitePanel/Sources/WebsitePanel.WebPortal/JavaScript/MenuAdapter.js Normal file
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// Material sourced from the bluePortal project (http://blueportal.codeplex.com).
// Licensed under the Microsoft Public License (available at http://www.opensource.org/licenses/ms-pl.html).
var hoverClass = "AspNet-Menu-Hover";
var topmostClass = "AspNet-Menu";
var userAgent = navigator.userAgent;
var versionOffset = userAgent.indexOf("MSIE");
var isIE = (versionOffset >= 0);
var isPreIE7 = false;
var fullVersionIE = "";
var majorVersionIE = "";
if (isIE)
{
fullVersionIE = parseFloat(userAgent.substring(versionOffset+5, userAgent.length));
majorVersionIE = parseInt('' + fullVersionIE);
isPreIE7 = majorVersionIE < 7;
}
function Hover__AspNetMenu(element)
{
AddClass__CssFriendlyAdapters(element, hoverClass);
if (isPreIE7)
{
var child = element.firstChild;
while (child)
{
if (child.tagName == "UL")
{
var grandchild = child.firstChild;
while (grandchild)
{
if (grandchild.tagName == "LI")
{
if ((typeof(grandchild.iFrameFormElementMask) != "undefined") && (grandchild.iFrameFormElementMask != null))
{
grandchild.iFrameFormElementMask.style.display = "block";
var w = grandchild.offsetWidth;
if ((grandchild.offsetWidth == 0) && (typeof(element.iFrameFormElementMask) != "undefined") && (element.iFrameFormElementMask != null) && (element.iFrameFormElementMask.style.width.length > 0))
{
w = element.iFrameFormElementMask.style.width;
}
grandchild.iFrameFormElementMask.style.width = w;
var h = grandchild.offsetHeight + 5 /* fudge to cover margins between menu items */;
if ((grandchild.offsetHeight == 0) && (typeof(element.iFrameFormElementMask) != "undefined") && (element.iFrameFormElementMask != null) && (element.iFrameFormElementMask.style.height.length > 0))
{
h = element.iFrameFormElementMask.style.height;
}
grandchild.iFrameFormElementMask.style.height = h;
}
}
grandchild = grandchild.nextSibling;
}
}
child = child.nextSibling;
}
}
}
function Unhover__AspNetMenu(element)
{
RemoveClass__CssFriendlyAdapters(element, hoverClass);
if (isPreIE7)
{
var child = element.firstChild;
while (child)
{
if (child.tagName == "UL")
{
var grandchild = child.firstChild;
while (grandchild)
{
if (grandchild.tagName == "LI")
{
if ((typeof(grandchild.iFrameFormElementMask) != "undefined") && (grandchild.iFrameFormElementMask != null))
{
grandchild.iFrameFormElementMask.style.display = "none";
}
}
grandchild = grandchild.nextSibling;
}
}
child = child.nextSibling;
}
}
}
function SetHover__AspNetMenu()
{
var menus = document.getElementsByTagName("ul");
for (var i=0; i<menus.length; i++)
{
if(menus[i].className == topmostClass)
{
var items = menus[i].getElementsByTagName("li");
for (var k=0; k<items.length; k++)
{
items[k].onmouseover = function() { Hover__AspNetMenu(this); }
items[k].onmouseout = function() { Unhover__AspNetMenu(this); }
if (isPreIE7 && ((typeof(items[k].iFrameFormElementMask) == "undefined") || (items[k].iFrameFormElementMask == null)))
{
var iFrameFormElementMask = document.createElement("IFRAME");
iFrameFormElementMask.scrolling= "no";
iFrameFormElementMask.src = "javascript:false;";
iFrameFormElementMask.frameBorder = 0;
iFrameFormElementMask.style.display = "none";
iFrameFormElementMask.style.position = "absolute";
iFrameFormElementMask.style.filter = "progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)";
iFrameFormElementMask.style.zIndex = -1;
items[k].insertBefore(iFrameFormElementMask, items[k].firstChild);
items[k].iFrameFormElementMask = iFrameFormElementMask;
}
}
}
}
}
if (isPreIE7)
{
window.onload = SetHover__AspNetMenu;
}