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DataObjectManager Module /

Discuss the DataObjectManager module, and the related ImageGallery module.

Moderators: martimiz, UncleCheese, Sean, biapar, Willr, Ingo, swaiba, simon_w

Exlude Default Album from Album list


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5 Posts   772 Views

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redactuk

Community Member, 117 Posts

18 April 2010 at 1:37am

I've built a global menu for a new site that uses a separate unordered list for each top level section. So that I can have multiple albums per subject matter I have a top level container page called Gallery that holds 6 actual imgage_gallery galler pages, with each of these having X number of albums. The menu code I have that works ok so far is:

   <ul class="topNav">
      <li class="sub-li"><a class="sub-a" href="/gallery">Gallery</a>
         <ul>
         <% control ChildrenOf(gallery) %>
          <li class="sub-li"><a class="sub-a" href="$Link">$MenuTitle</a>
             <% if Albums %>
               <ul class="fly">
               <% control Albums %>
                   <li><a href="$Link">$AlbumName</a></li>
                <% end_control %>
                </ul>
             <% end_if %>
          </li>
         <% end_control %>
         </ul>
      </li>
   </ul>

Now at the moment this displays a nice drop-down from Gallery of my 6 gallery pages. But of course the flyout level 3 is displaying 'Default Album' for each gallery. Is there some IF condition I can place in the <% control Albums %> loop to only output a list item if the album name is not 'Default Album'? I'm sure this can be done I'm just struggling with the syntax. Can anyone help?

Thanks

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redactuk

Community Member, 117 Posts

20 April 2010 at 9:12am

Edited: 20/04/2010 9:16am

Well that was a non starter. Trying a different approach now, and that's to require that the Default Album in each gallery is given the same name as the Gallery holder page itself. So now I need something as simple as:

   <ul class="topNav">
      <li class="top p3"><a id="clients" class="top_link" href="/gallery">Gallery</a>
         <% if ChildrenOf(gallery) %>
         <ul class="sub">
         <% control ChildrenOf(gallery) %>
          <li><a href="$Link" class="fly">$MenuTitle</a>
             <% if Albums %>
               <ul>
                <% control Albums %>
                   <% if AlbumName != MenuTitle %>
                   <li><a href="$Link">$AlbumName</a></li>
                  <% end_if %>
                <% end_control %>
                </ul>
             <% end_if %>
          </li>
         <% end_control %>
         </ul>
         <% end_if %>
      </li>
   </ul>

Why does that bottom level comparison not work? I've spent over an hour searching for examples of anything similar on these forums but with no luck. Why is $Menutitle not available for a comparison with $AlbumName within this control loop?

Any pointers would be appreciated.

Thanks

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UncleCheese

Forum Moderator, 4094 Posts

20 April 2010 at 9:22am

You can't compare variables in SSViewer. Only literals.

You could probably decorate your ImageGalleryAlbum class to have the function:

public function IsDefault()
{
return $this->owner->AlbumName == $this->owner->ImageGalleryPage()->Title;
}

... or just decorate it to have a checkbox for "Default" and then you don't have to deal with arbitrary naming conventions..

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redactuk

Community Member, 117 Posts

20 April 2010 at 10:26am

Edited: 20/04/2010 10:28am

Well the first option seems the least complicated, but I'm just not getting how to do this...

I'ved created:

class MyImageGalleryAlbum extends ImageGalleryAlbum
{
   
   public function IsNotDefaultAlbum()
   {
      return $this->owner->AlbumName != $this->owner->ImageGalleryPage()->Title;
   }
   
}

I'm guessing that's incorrect?

Note: I reversed condition as I can't seem to specify <% if Not(IsDefaultAlbum) %> or anything similar

Avatar
UncleCheese

Forum Moderator, 4094 Posts

20 April 2010 at 11:31am

Oh, ok, if you want to do it with a subclass, you can do that, too. Just make sure you subclass your imagegallery page, too, and add

protected $albumClass = "YourAlbumClass";

otherwise, it's

YourAlbum extends DataObjectDecorator

and DataObject::add_extension("ImageGalleryAlbum","YourAlbum");

in your config somewhere..