I have my custom listdefinitions up and running quite good but have just some fine-tuning left to do. I would want to add some custom icons instead of those that are used by Tridion. I have defined my own column according to how Tridion does it for his icons.

<list:column id="IconColumn" type="icon" title="" selector="@ItemIcon" width="20" enableresizing="false" enablesorting="false" enablefiltering="false" />

I also added the following to the editor.config:

  <icon match="act\." path="/Themes/Default/Icons/mmIcons/${icon}.${size}x${size}.png" />

And the icons are available.

The question now is, what do I give as data from the Data Extender to get the icons that I want?


List definitions processed by Tridion.Controls.ListDefinition, where Tridion.Controls.ListColumn is created for each list column.

If the column represents an icon, Tridion.Controls.ListColumn resolves icon path

Tridion.Controls.ListColumn.prototype.getIconPath = function ListColumn$getIconPath(iconValue)
    return $config.getIconPath(iconValue, 16);


$config.getIconPath = function Configuration$getIconPath(iconName, iconSize, forceLoad, editor)
    return $config.expandThemePath("icon{2}.png?name={0}&size={1}{3}".format(iconName, iconSize || "16", $config.getPathVersion(), forceLoad ? "&" + (new Date()).getTime() : ""), editor);

Where icon.png is processed by Tridion.Web.UI.Core.Http.IconUrlRewriter

Which eventually does processing based on configuration rules.

Based on your configuration, for instance request like:

<bc:Item ItemIcon="beard"/>

will be resolved from /Themes/Default/Icons/mmIcons/beard.16x16.png (if requested from list details view)

And from /Themes/Default/Icons/mmIcons/beard.48x48.png (if requested from thumbnails view)


To use your Extension theme, you should add ${theme} to your icon path

      <icon match="act\." path="${theme}Icons/mmIcons/${icon}.${size}x${size}.png" />
  • Thanks for the in-depth answer! But is there a nice way to include icons without putting them into the CME? My solution to this was overwriting the $config.getIconPath a function that checked the iconName for a special sequence and would change the editor string to the name of my own editor. But this is quite hacky so I was wondering if there was a nicer way. – Thomas Hendrickx Oct 31 '14 at 8:03
  • See update section. It should help – UI Beardcore Oct 31 '14 at 12:49
  • Yeah, but it is only 1/2 of the problem. The function $config.getIconPath has a parameter editor which should be set to 'MyEditor' but ListColumn does not pass param to $config.getIconPath. – Thomas Hendrickx Nov 3 '14 at 11:23

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