I reproduced you scenario on ThingWorx 8.0.
I did some research and find the root cause: The Drop down list is loclated on footer. The header and footer have constant heights.
I also tested out that Drop down list is 200xp high. There are two workaround for your issue:
1. Set List widget's hight to fit your footer's hight (by default list's hight is 200), then set the list widget type to Dropdown list.
2. Please use 2 layouts instead of using footer to put the drop down list to avoid this behavor.
Should you ahve any concern, please feel free to let me know.
Hello Lily ,
Thank you for your answer but this is not why I am looking for.
The problem is that the Mashup I am working on is on production so I have not too many possibilities to change its architecture.
And the only thing I have to put is this Dropdown List Widget on the footer !
The solution which I am looking for is the ability to make the Dropdown go up instead of down. In order to prevent this behaviour but I think it is impossible without revising the code of the default widget.
If you have any other workaround I will apreciate !
Sorry for my misunderstanding.
"Changing the direction that the list opens up" is out of list widget OOTB functionallity. ThingWorx support engineer already opened an enhancement ticket to R&D team. The fix version is not decide yet, but seems it will take a long time. If you are on an urgent situation, I suggest to customize the widget. Or you can wait our R&D feedback. I will let you know.