HasValueChangeMode has to be implemented for ComboBox or equivalent
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- Dominant language
- Java
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Description
HasValueChangeMode has to be implemented in ComboBox for backend data provider on input.
When ComboBox contains complex data, it takes time to query on input, and query that takes less than 1 sec can take up to 5-10 sec, because it queryes every symbol written(every value change)
I think that this is very useful feature for everyone.
Vaadin 8.5.2
Contributor guide
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 locating the ComboBox implementation and its backend data provider input handling. Compare the requested HasValueChangeMode behavior with how value changes trigger queries, then define completion around configurable input querying that avoids a request for every symbol while preserving expected ComboBox behavior.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- frontend
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100