Block Element - New UI/UX - Preview

Background / User story

As ABP user I would like to preview of blocked elements so I can know how it will look before I save it

What to change

• Design: https://eyeogmbh.invisionapp.com/share/G2W6ETLSNW4#/screens/406982796
• Research: (Link to any research data here)
• Spec: eyeo/specs/spec!328

Hints for testers

None.

Hints for translators

• Added strings:
  • composer_block
  • composer_cancel
  • composer_elements
  • composer_unselect
• Updated strings:
  • block_element
• Renamed string IDs:
  • loading to composer_loading
• Removed strings:
  • add_filters_msg

Integration notes

• Add "composer.content.preview" message to toggle element blocking preview.
  • Allows for passing "active" boolean parameter to determine whether preview should be made active or inactive.
• Disable preview when being done with block element feature.