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shyce
PostPosted: Fri Jul 03, 2009 7:38 pm 
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I've managed to create two separate style sheets, one called "narrow.css" and the other aptly called "wide.css".

My question is, what logic string does Joomla use to check for authenticated user-login. I'd like to be able to apply a separate style sheet in the event a user is logged in vs. logged out.

Removed link, for privacy concerns with launching a large-scale website.

Thanks,
Brian Royer
Webmaster / Artist
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wlrdq
PostPosted: Fri Jul 03, 2009 8:11 pm 
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You can use the guest property of the JUser class:
http://api.joomla.org/Joomla-Framework/User/JUser.html#$guest

You can see how it's being used in the login module:
.../modules/mod_login/helper.php
Code:
function getType()
{
   $user = & JFactory::getUser();
   return (!$user->get('guest')) ? 'logout' : 'login';
}

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shyce
PostPosted: Fri Jul 03, 2009 9:33 pm 
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Joined: Fri Jul 03, 2009 7:30 pm
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:pop

You are my hero!
Works perfect.

Code:
   <?php if ($user->get('guest')) : ?>
      <script type="text/javascript">
         styleswitch('set', 'narrow');
      </script>
   <?php else : ?>
      <script type="text/javascript">
         styleswitch('set', 'wide');
      </script>
   <?php endif; ?>


^^ Above code posted for future searchers!

Here is the javascript to switch styles, all props are given in the source.

Code:
/* This styleswitcher code is taken in its entirety  from:
http://www.mensching.info/program/mootools-styleswitcher-en.html - the website of Achim Mensching */
function styleswitch(mode, setstyle){
   var stylepath = 'templates/!!TEMPLATENAMEHERE!!/css/';
    // setting the path to the CSS directory
   
/* --------------------- No Need to change anything below this line -------------------------------------------*/
    var i, a;
    var cookstyle = Cookie.get('Stylesheet');
    // getting current cookie value for the stylesheet
    if (cookstyle == false ) {
                              for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
                              if(a.getAttribute("rel").indexOf('style') != -1
                              && a.getAttribute("media").indexOf('screen') != -1
                              && a.getAttribute("title")
                              // find default stylesheet, which is defined in the head section of the document
                              ) {
                                cookstyle = a.getAttribute("title");
                                Cookie.set('Stylesheet', cookstyle, {duration:365, path:'/'});
                                //set the default stylesheet as a cookie value
                                }
                               }
                             }
                             
    switch (mode) {
                  case 'set':
                    new Asset.css(stylepath + setstyle +'.css', {id: setstyle});
                    // loads the new stylesheet
                    Cookie.set('Stylesheet', setstyle, {duration:365, path:'/'});
                    // sets the active stylesheet into a cookie value
                  break;
                case 'noset':
                    new Asset.css(stylepath + setstyle +'.css', {id: setstyle});
                    // only apply the new stylesheet, without saving it in a cookie value
                    break;
                default:
                    setstyle = cookstyle
                    new Asset.css(stylepath + cookstyle +'.css', {id: cookstyle});
                    // sets the current cookie value as active stylesheet
                   break;
               }
  return null;
  }

  window.addEvent('domready', styleswitch);
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newyorkenstien
PostPosted: Mon Aug 16, 2010 3:50 am 
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Can someone explain where to place the above code?

THANK YOU
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realityking
PostPosted: Mon Aug 16, 2010 1:29 pm 
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Joined: Fri May 21, 2010 11:43 am
Posts: 426
Location: Aachen, Germany
I'd suggest to switch the Stylesheet without using JavaScript. This way people who have disabled Javascript still have a chance, and your sites performance will also improve.
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wlrdq
PostPosted: Mon Aug 16, 2010 5:54 pm 
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I assume shyce placed the code in their .../templates/YOURTEMPLATE/index.php file.

I agree with realityking. If you are just trying to have a different background for logged in and logged out users, it's better to do it with php code.

Let me know what you are trying to do and I will try to help give you code that will do it.

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If you think I can help you, PM me a link to your post and I will respond. Please don't hijack another user's thread.
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newyorkenstien
PostPosted: Mon Aug 16, 2010 7:22 pm 
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Thank you both so much for the speedy response.

I would just like the background image of the template to change when a user (any user) logs in. (Then changes back once they log out of course...)

Any tips would be greatly appreciated. :)
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wlrdq
PostPosted: Mon Aug 16, 2010 8:21 pm 
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I would change your .../templates/YOURTEMPLATE/index.php file to have something similar to this:
Code:
<?php
   $user = & JFactory::getUser();
   if($user->get('guest')) {
      $bodyClass = "bd_guest";
   } else {
      $bodyClass = "bd_user";
   }
?>
...
<body class="<?php print $bodyClass; ?>">

The above code will add a different class to the body tag depending on if the user is logged in or not.

Then just set the styles for those in your stylesheet (.../templates/YOURTEMPLATE/css/template.css):
Code:
.bd_guest {
background: white url(/images/bg_guest.gif) no-repeat fixed 0% 0%;
}
.bd_user {
background: white url(h/images/bg_user.gif) no-repeat fixed 0% 0%;
}

Make sure to remove the background style on the body if you already have one.

You could also print the style inline on the body tag if you want or change the id of the body tag.

Hope this helps!
Will

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http://www.covertapps.com/jam <<< Joomla! on your Android, iPhone, iPad, and iPod Touch
If you think I can help you, PM me a link to your post and I will respond. Please don't hijack another user's thread.
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newyorkenstien
PostPosted: Mon Aug 16, 2010 10:48 pm 
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Fantastic! Works like a charm :)

I really appreciate your time. I couldn't find that simple code anywhere, and it seems a lot of people are looking for this.

Thanks a million.
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wlrdq
PostPosted: Mon Aug 16, 2010 11:00 pm 
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Glad I could help!

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If you think I can help you, PM me a link to your post and I will respond. Please don't hijack another user's thread.
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deeste08
PostPosted: Wed Nov 03, 2010 11:01 pm 
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Joined: Wed Nov 03, 2010 10:56 pm
Posts: 2
Hi there,

I've got a question.
would this be possible for separate users?

I want my users to use there own uploaded images.
And set them as background.

Is there a code for this to integrate with cbe*?
Like a button below a picture users have uploaded with cbe* gallery

*CBE "Community Builder Advanced"
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wlrdq
PostPosted: Thu Nov 04, 2010 6:36 am 
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It could be coded, but I don't know of anything that does that currently.

If you want to code it up, I can help walk you through how I would do it.

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Will Mavis - Joomla Developer
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If you think I can help you, PM me a link to your post and I will respond. Please don't hijack another user's thread.
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deeste08
PostPosted: Thu Nov 04, 2010 8:15 am 
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Joined: Wed Nov 03, 2010 10:56 pm
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I would really appreciate it if you can guide me trough the coding. :)
I know something about php but not much.

My idea is that when a user is loged in, the the main background goes transparent and the body puts out an image.

Thanks for your fast reply.
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wlrdq
PostPosted: Thu Nov 04, 2010 6:02 pm 
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Do you want to try to piggyback off an existing component or just build it up from scratch?

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If you think I can help you, PM me a link to your post and I will respond. Please don't hijack another user's thread.
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Glam
PostPosted: Thu Nov 25, 2010 6:26 am 
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Joined: Thu Sep 17, 2009 7:57 pm
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Best solution around! Thanks a lot...
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hockey2112
PostPosted: Thu Jan 05, 2012 8:34 pm 
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I am using Joomla 1.7, and I want to have a different header image with a different URL when someone is logged in. How can I make that happen? Would I use a code similar to this, or...?
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wlrdq
PostPosted: Fri Jan 06, 2012 1:19 am 
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There might be a better way to do this in 1.7 without having to write code. Take a look at this and see what you think:
http://docs.joomla.org/How_do_you_hide_something_from_logged_in_users%3F

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http://www.covertapps.com/jam <<< Joomla! on your Android, iPhone, iPad, and iPod Touch
If you think I can help you, PM me a link to your post and I will respond. Please don't hijack another user's thread.
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hockey2112
PostPosted: Fri Jan 06, 2012 9:14 pm 
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Joined: Thu Apr 23, 2009 3:30 am
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wlrdq wrote:
There might be a better way to do this in 1.7 without having to write code. Take a look at this and see what you think:
http://docs.joomla.org/How_do_you_hide_something_from_logged_in_users%3F



Very cool. I don't think it would apply in this case, though, since the header image is not content, menu, module, etc.

I did a workaround solution, though... I used "display: none" on the header CSS, then added a two new modules to the topmost div position. One of them contains the image for non-logged in users, and the other has the header image for logged in users. I then set the pages on which I want them displayed and set their access permissions as well.
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