One thing that bugs me (and a lot of clients of us) is that SharePoint's top menu (AKA Global navigation) highlighting is not working as we expect it to:
If you create a subsite directly underneath the root web, and make it appear on global navigation, It will get highlighted when selected. BUT if you create a subsite somewhere else (say in the Site Directory), and then make it appear on global navigation, it will not get highlighted when you navigate to it.
If you create a publishing page it gets highlighted when visited. BUT if you create a page in a document library it doesn't.
This is an example of the current and the desired situation.
Recently one of our clients asked me to fix this. So in this post we will see how to customize the built-in SharePoint's menu control to enhance the support for highlighting.
* If you are not interested in the how to, you can simply download the final product from here. Deployment instructions provided below.
Starting point:
While developing SharePoint, the product team has decided to use asp.net's menu control for navigation. But, it had a few issues, so they had created a new menu, that inherits from asp.net's menu. The new SharePoint menu class was marked as sealed, and this is bad for any of us who wish to customize it. Luckily, the product team has provided us with the complete source code for the SharePoint menu so we can make modifications to it. More info on this here.
Highlighting logic:
We need to know when to highlight items. I chose to do that by comparing the URL that the menu item redirects to, to the URL of the page we are currently in. if they are identical, this means we are in the site that this menu item refers to, and it should be highlighted.
Code:
We will add our code to the OnMenuItemBound event. this way we have access to each menu item through the event's arguments.
add the following code to the OnMenuItemDataBound event:
if (SPContext.Current.ListItemServerRelativeUrl.ToLower() == MakeServerRelative(e.Item.NavigateUrl.ToLower()))
{
e.Item.Selected = true;
}
This code uses another method called MakeServerRelative. so add the following code to you class:
private string MakeServerRelative(string url)
{
//checks if the path is absolute
if (url.StartsWith("http://"))
{
//remove protocol
url = url.Remove(0, 7);
//remove host
url = url.Remove(0, url.IndexOf('/'));
}
return url;
}
Don't forget to sign the assembly.
That's it! build the project and you are done.
This is his comment:
"Nicholas Hadlee said: Hi, I found a strange situation where this can cause an nullreference exception in some pages. The seachResults.aspx was causing it for me. I added an <code>if (SPContext.Current.ListItemServerRelativeUrl != null )</code> whcih seemed to fix things up. Good job getting this to work anyway."
Deployment:
You could create a MOSS solution for that, but I am too lazy 🙂 so what you need to do here is:
1. Install the assembly to the GAC.
2. Add SafeControl registration to web.config.
Usage:
As the nature of menus, we will want them in our master page:
1. Edit your master page and add the registration similar to this one at the beginning of the page:
<%@ Register Tagprefix="Itaysk" Namespace="Itaysk.SharePoint.Controls" Assembly="EnhancedSPMenu, Version=1.0.0.0, Culture=neutral, PublicKeyToken=ff4fcc0bc7f78f41" %>
(If you use my attached assembly then copy and pate this line. Oterwise the namespace and assembly information may differ from your build)
2. Paste the following markup to some place holder, usualy PlaceHolderHorizontalNav place holder.
*This will create another menu in addition to the old one. You can delete the old one which is in the "PlaceHolderHorizontalNav" place holder
**You can also replace the existing <SharePoint:AspMenu tag with <Itaysk:MossMenu. Don't forget the closing tag – </SharePoint:AspMenu> turns to </Itaysk:MossMenu>
This is the markup for the menu control (and it's data source):
<Itaysk:MossMenu
ID="TopNavigationMenu"
Runat="server"
DataSourceID="topSiteMap"
EnableViewState="false"
AccessKey="<%$Resources:wss,navigation_accesskey%>"
Orientation="Horizontal"
StaticDisplayLevels="2"
MaximumDynamicDisplayLevels="1"
DynamicHorizontalOffset="0"
StaticPopoutImageUrl="/_layouts/images/menudark.gif"
StaticPopoutImageTextFormatString=""
DynamicHoverStyle-BackColor="#CBE3F0"
SkipLinkText=""
StaticSubMenuIndent="0"
CustomSelectionEnabled="true"
CssClass="ms-topNavContainer">
<StaticMenuStyle/>
<StaticMenuItemStyle CssClass="ms-topnav" ItemSpacing="0px"/>
<StaticSelectedStyle CssClass="ms-topnavselected" />
<StaticHoverStyle CssClass="ms-topNavHover" />
<DynamicMenuStyle BackColor="#F2F3F4" BorderColor="#A7B4CE" BorderWidth="1px"/>
<DynamicMenuItemStyle CssClass="ms-topNavFlyOuts"/>
<DynamicHoverStyle CssClass="ms-topNavFlyOutsHover"/>
<DynamicSelectedStyle CssClass="ms-topNavFlyOutsSelected"/>
</Itaysk:MossMenu>
<SharePoint:DelegateControl runat="server" ControlId="TopNavigationDataSource">
<Template_Controls>
<asp:SiteMapDataSource
ShowStartingNode="False"
SiteMapProvider="SPNavigationProvider"
id="topSiteMap"
runat="server"
StartingNodeUrl="sid:1002"/>
</Template_Controls>
</SharePoint:DelegateControl>
Result:
Enjoy!
Dude, great because I was asked to fix that and some other stuffs related with the menu..
the thing is that the link to download your project above is broken and I downloaded the source code from the MS Team, but I don't know where to place the scripts or how to reference to the MossMenu.js file.
Could you give me a hint there ?
Thanks in adavance
I am trying to do the same thing and I ran into a lot of issues with the asp.net menu control. Can you show me your code that you wrote to get it to work? That would be a great help!
Hi,
I found a strange situation where this can cause an nullreference exception in some pages. The seachResults.aspx was causing it for me.
I added an
if (SPContext.Current.ListItemServerRelativeUrl != null )whcih seemed to fix things up.Good job getting this to work anyway.
Thanks Nicholas,
It's always best practice to check if null anyway..
I will update the post as well.
Hi,
This is really intrested.
I have a requirement to Hide the Home tab on the MOSS Portal created using Collaboration template.
How to do that with the default Sp navigation provider.
Is it possible to attach this event (by overriding menu load event).
Please urgent help needed on this.
Thanks in Advance
Hi,
This is really intrested.
I have a requirement to Hide the Home tab on the MOSS Portal created using Collaboration template.
How to do that with the default Sp navigation provider.
Is it possible to attach this event (by overriding menu load event).
Please urgent help needed on this.
Thanks in Advance
Hi,
Thank you for your menu-solution. But if you could help me with one thing that is .. I get an error message when i try to use EnhancedSPMenu.dll the message is:
Could not load file or assembly "Microsoft.SharePoint.Security, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c or one of its dependencies. The system cannot find the file specified
The Microsoft.SharePoint.Security is in the assembly folder and has the same verswion and key.
I followed the steps but when i replace aspmenu with mossmenu in masterpage it gives error " object reference not set to instance of the object".
Any ideas what I did wrong?
I've tried multiple times to get this installed but I keep getting "An unexpected error has occured" when I go to approve the page. I'm using SharePoint Designer to edit default.master for my specific application. I installed the assembly to the GAC by dragging and dropping to C:\Windows\Assembly. I added the safe control registration to web.config under C:\Inetpub\wwwroot\wss\VirtualDirectories\ as you posted. I added the tag prefix registration at the top of default.master and changed the SharePoint:AspMenu control to Itaysk:MossMenu. Any ideas?
Itay, you wrote:
"If you create a subsite directly underneath the root web, and make it appear on global navigation, It will get highlighted when selected. BUT if you create a subsite somewhere else (say in the Site Directory), and then make it appear on global navigation, it will not get highlighted when you navigate to it."
However, I found that for proper highlighting of the tabs, it will only highlight if you use the 'browse' button next to the link field, which presents the 'Select a link — Web page dialog' and browse for any available site or page, that will result in proper highlighting. It wont highlight when you type in the (apparently) same link manually.
I am ever so happy that I found this (by trial and error)
Still can't get this to work. Keep getting the "object reference not set to instance of the object" error.
I get an Unknown server tag "Itaysk:MossMenu" while creating the master page . any reason as to why i am getting this error?
Any words on the update by nicholas yet?
Sorry. Made a mistake in the previous code should have been:
if (url.StartsWith("http://") | url.StartsWith("https://"))
{
url.Remove(0, SPContext.Current.Site.RootWeb.Url.Length – 1);
}
return url;
Thanks for your work here Itay!
I've successfully implemented this and it works perfectly.
Cheers.
Hi,
If the navigation menu links to other pages ( class.aspx etc… ) not subsites then will this highlight preserve the state..
Thanks,
/Sam
does this work the same with wss 3.0?
thanks.
Yeah, is this also possible for WSS 3.0?
Actually I tried it, but it doesn't work.
Maybe you could give me a hint on this one?
Thanks
Hi,
I receive the same error message as Mike.
I added the .dll to the GAC, changed the web config, tag prefix registration done also.
As soon as I change
to
On the design pane I receive:
Error Creating Control -TopNavigationMenu
Object reference not set to an instance of an object error message.
Any hints?
Thanks!
Hi – I followed your directions and was able to get my navigation to work. Thank you so much for sharing!
This is my first time comment at your blog.
Good recommended website
Thanks for the solution posted here, it's definitely got me on the right track. However I have a question.
I'm curious as to why you used SPContext.Current.ListItemServerRelativeUrl to get the current location. It seems to be null quite often and thus prevents the highlighting from working on a number of sub pages.
Is there a reason you didn't use Page.Request.Url instead?
Hi guys,
Thank you for you feedback!
Sorry I wasn't paying attention to you questions. I will start addressing comments from now on, starting with the latest one:
Tom,
This project was so long ago so I can't remember the considerations that had lead my to the provided implementation. Anyway, you are making a good point and your suggesstion makes sense to me.
I'd love to know if it worked out for you.
All commenters,
I any of your earlier questions are still relevant, please repost them.
Itay Shakury.
Hi,
I am facing some proble while registering SafeControl in web.config. Its not showing me control in web parts. Can any one help me on same.
Thanks Teena
Hi Teena,
The the code i provide here is not a web part, so you won't find the menu in the web part gallery.
Try adding the control directly to the master page in code view (try following the instructions I gave in the post).
Itay Shakury.
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Hi Itay
I'm having the same issue as Jason, Mike and Gabor. Here are the steps I followed:
I copied your 'EnhancedSPMenu.dll' file into the GAC, then added a safecontrol to Web.config:
Then I opened the 'default.master' page in SharePoint Designer and registered the prefix.
But when I change the 'SharePoint:AspMenu' tags to 'Itaysk:MossMenu', I get following error in SharePoint Designer: "Error Creating Control -TopNavigationMenu
Object reference not set to an instance of an object error message.", and if I save the page I get "An unexpected error has occurred" on the SharePoint site (WSS Team Site).
Any idea what the issue is here? Or would you be able to post your source code please?
Thanks
I'm sorry David, Jason and everyone else that are having problems with this..
The thing is, That this post is almost 2 years old, and I don't have the source code anymore, nor do I remember the tweaks and tips about deploying it. If you need the source code, you can create a new project and use the instructions I provided in the post.
About your problem, sorry, I have no idea right now why this could happen.
Itay Shakury.
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Firstly, thanks for a fantastic post.
Helped me sort out the problem I had struggled with for about a week now.
Only one problem. All works perfectly well if the pages of the site are only one level down i.e. "http:///Pages/RFCs.aspx", however any pages that are two levels down from the root i.e. "http:// /Lists/RFCs/All.aspx" then the site breaks. As a result, none of the editing or approval pages can be accessed under site action either.
Another error I am getting is that within Sharepoint Developer I am getting the "Unknown server tag "Itaysk:MossMenu" " that FrankFranky was getting. When viewing the page however the menu display correctly and works perfectly for all pages one level down (as mentioned above).
I have followed the tutorial to the letter and even used your already created .dll.
Does anybody have any idea why this is happening?? Please, my brain is melting!!!
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I have tried implementing your menu, but I get the unhelpful "Unexpected Error" SharePoint page. Looking in the server log I see what I believe are associated entries like this:
While initializing navigation, found Page placeholder but object was not found at: /PAGES/FORMSPAGE.ASPX.
and this:
There is no Web named "/collegelife/Site Images/Forms/AllItems.aspx"
and even more mysterious:
Possible mismatch between the reported error with code = 0x81070504 and message: "There is no Web named "/collegelife/Site Images/Forms/AllItems.aspx"." and the returned error with code 0x80070002.
I used the precompiled dll, put it in the GAC, added the SafeControl line to web.config, put in the Register Tagprefix line near the top of my master page, and added the section from the documentation. Did I miss something?
Hi,
The menu colors are not applying when i click on them even though my asp code is the same. can you tell me any reason why it could be like that ?
Can anyone post the source code for this solution thanks in advance.
Hi all. How are you?
I am curious what Riley can do with that??
The OOTB SharePoint menu will fail to select the current menu item if you are accessing a layouts page from within a subsite or seperate site collection e.g. /my/_layouts/Person.aspx
In this example, the Person.aspx page is being accessed from within the context of the "/my" site collection. For some reason, if you look at the Request.Url property, it is actually "http://server/_layouts/Person.aspx" and so your comparison between the menu item's NavigateUrl and the current URL will fail (it is missing the "/my").
To account for this situation, use the RawUrl property instead:
if (this.Request.RawUrl.ToLower() == this.MakeServerRelative(e.Item.NavigateUrl.ToLower()))
{
e.Item.Selected = true;
}
More info on this property is available here: http://msdn.microsoft.com/en-us/library/system.web.httprequest.rawurl.aspx
Hi ,
I am working on SP 2010 application. When creating a new navigation link in the CURRENT NAVIGATION and appending any query string in the URL, system is not showing navigation as selected while browsing through it.
Any idea whats wrong in here or if this is how it is supposed to be any workaround or solution which makes it work and shows the link selected while browsing through it.
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After using custom control inherited from Microsoft provided menu control, Will OOTB Site actions -> Navigation work for managing the links ?
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