Incorrect selection border when selection certain cell ranges
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- Dominant language
- Java
- Stars
- 50
- Forks
- 53
- Avg merge
- 1d 21h
- Merged PRs (30d)
- 1
Description
When selecting a large number of cells, the blue border around the selected cells doesn't always match the actual selected cells.
Steps to reproduce:
- go to https://demo.vaadin.com/spreadsheet/
- select cell A2
- Scroll down to row 100
- Shift-click cell A100 to select range A2:A100
- All selected cells are shaded blue, but the blue border stops after cell A98
If you start by selected cell A1 (instead of A2) it all works fine.
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the selection at https://demo.vaadin.com/spreadsheet/ using the listed A2:A100 steps, then compare it with the A1:A100 case. Done means the blue selection border encloses every selected cell through row 100, matching the shaded range.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- frontend
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100