TreeGrid with addComponentHierarchyColumn and setPartNameGenerator

Flow
1

Dear team,

I have a TreeGrid where I add a ComponentHierarchyColumn using a renderer and that is the only column in the TreeGrid.

I also tried to set a PartNameGenerator on the TreeGrid but although I can trace the calls to the method in the log, I don’t see the part name show up in the HTML code.
I then tried to set the PartNameGenerator on the column (not the TreeGrid) and still I don’t see the part name show up in the HTML code.

I tried to work arount the issue by adding a class name to the layout I generate in the renderer and that does work.
I’ve used the PartNameGenerator on other components and it worked as expected.

Is there a problem with the PartNameGenerator when you only a have a single column in the TreeGrid and that column being the ComponentHierarchyColumn? Or am I missing something?

Many thanks in advance

Alex

2

The part name is applied to td-element in the underlying HTML table, which is in the Shadow DOM, you won’t see it in the light DOM elements.

3

Hi Tatu, thank you very much for the reminder.

Indeed by styling the shadow DOM part it works as expected.