drupal-media/entity_embed — pull request #25 by cs-shadow (2014-06-04 19:03:59+00:00)
Title: Validate form for presence of required fields

Make following fields compulsory: entity_type, entity and view mode.
If any error occurs, show the error in the dialog before proceeding further.

d.o issue: https://drupal.org/node/2279175