I'm new to Craft and VERY new to plugin development. I'd like to display a thumbnail image in my table list view and thought it would be possible to accomplish using a new Custom Element Type. Does anybody know how to achieve this?

I have managed to output custom fields in the table using defineTableAttributes() but I can't output any related Assets - in particular their filenames. Do I need to define a relation in the ElementCriteriaModel using the defineCriteriaAttributes() function? Can anyone explain how this is done?

Many thanks

1 Answer 1


Ok, so I've managed to get an answer to this courtesy of Brandon Kelly. It's much more simple than I thought. Firstly, you do not have to specify a relatedTo parameter the defineCriteriaAttributes(). Craft takes care of this automatically. So in order to retrieve the details of an asset in a table list view you do the following in the getTableAttributeHtml() function in your custom Element Type class:

$relatedAsset = $element->myAssetsField->first();

This simple line of code gets a related myAssetsField of your element. I'm not sure why, but this object is placed in an array... Maybe someone can tell me why this is the case?

I then took the fist element of the array and used a the getThumbUrl() function which is really handy for quickly outputting the url to a thumbnail. I passed a size of 60 pixels.

case 'myAttribute>':
   if(count($relatedAsset) > 0) {
      return '<img src="'.$relatedAsset[0]->getThumbUrl(60).'">';
   return '';

The result is a thumbnail in your table list! Hope this helps others....

  • Nice to see this is that simple. Thanks for sharing, brasso!
    – carlcs
    Commented Jan 22, 2015 at 16:35

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