vaadin / vaadin/spreadsheet

New custom components not rendered after manually updating Spreadsheet

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Dominant language
Java
Stars
50
Forks
53
Avg merge
1d 21h
Merged PRs (30d)
1

Description

I have a spreadsheet with a custom component factory that turns a cell into a button if the text in the cell matches "Click Me". However, when the "Click Me" text is entered into a clean cell, the custom component (the button) is not always rendered: in some cases the component appears immediately, and sometimes - after editing another cell.

spreadsheet-custom-component-rendering-issue

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the custom component factory scenario described in the issue: enter "Click Me" into a clean cell, then edit another cell and compare rendering. Trace the spreadsheet rendering path for manually entered values; done means the button appears consistently when the matching text is entered, without requiring another edit.

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
Needs clarification
Newbie friendliness
35/100

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