Anshu Singh created NIFI-16548:
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Summary: UI: Resize drag in property editor does not end when
released over the disabled Ok button
Key: NIFI-16548
URL: https://issues.apache.org/jira/browse/NIFI-16548
Project: Apache NiFi
Issue Type: Bug
Components: Core UI
Reporter: Anshu Singh
Assignee: Anshu Singh
When resizing a property editor (for example ExecuteSQL > Properties > SQL
Query) by
dragging the bottom-right handle, the drag sometimes does not end when the
mouse button is released. The editor keeps resizing as the mouse moves until
the next click.
Cause: during the drag the CDK moves the handle and the editor grows at the
same time, so the handle runs ahead of the pointer and the pointer ends up over
the editor's Ok button. When Ok is disabled (no changes made yet), the browser
does not dispatch the mouseup on the disabled button, so the CDK drag never
receives it and never ends.
Steps to reproduce
1. Add an ExecuteSQL processor and open Configure > Properties.
2. Open the editor for SQL Query without typing anything (Ok stays disabled).
3. Drag the bottom-right resize handle a little and release the mouse.
4. Move the mouse without clicking: the editor keeps resizing.
If text is typed first (Ok enabled), the drag ends normally.
This is the "drag gets stuck" part reported in NIFI-16221, split out per review
on https://github.com/apache/nifi/pull/11827
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