Legacy Knowledge Base
Published Jul. 2, 2025

Portlet drop-down menus don't collapse with a custom theme

Written By

Katlyn Lee

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Issue

  • When deploying a custom theme generated using the Theme Generator, the drop-down navigation menu of a portlet (in mobile view) does not close/collapse after the menu is expanded.

    Screenshot_from_2021-02-02_14-36-56.png

  • This behavior does not occur when the page is using Classic Theme.

Environment

  • Liferay DXP 7.3

Resolution

This solution will require custom development and would need to be implemented at the customer's discretion. Liferay Support would be limited in troubleshooting or providing further assistance in code development.

  • Attached to this article are the files with the lines of code that allows for the navigation menu to collapse properly in the Classic Theme. 
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