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This PR fixes a UI overflow issue in the Destination Process Group component (NIFI-15153). Previously, long Process Group names within error messages and selection labels would overflow the dialog container due to whitespace-nowrap and overflow-hidden constraints.

I have updated the HTML templates to allow for text wrapping, ensuring that long names remain visible and contained within the dialog boundaries.

Changes
Error Messages: Added break-words and w-full to mat-error elements to prevent long group names from cutting off when reporting missing or unauthorized ports.

Group Name Display: Removed overflow-ellipsis, overflow-hidden, and whitespace-nowrap.

Added break-words and w-full to allow the group name to wrap onto multiple lines if it exceeds the container width.

File Modified: destination-process-group.component.html

How to Test
Attempt to create a connection to a Process Group that has an extremely long name (e.g., 50+ characters).

Trigger an error state (e.g., a group with no local input ports).

Verify: Observe that the long name now wraps to a new line within the error message and the "Within Group" label, rather than disappearing off the edge of the dialog.

@pvillard31 pvillard31 added the ui Pull requests for work relating to the user interface label Dec 30, 2025
@scottyaslan
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I can review.

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3 participants