vaadin / vaadin/framework

Removing a TextChangeListener when the event is triggered resets the field's value

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bug Stale v7
Dominant language
Java
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Avg merge
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Merged PRs (30d)
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Description

Originally by Heikki Ohinmaa


If you have a TextField with a TextChangeListener attached to it, and you remove the listener inside the textChange method, the TextField's value is reset to what ever it was before the event was triggered.

Sample code to reproduce the problem attached.

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First steps

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the attached sample and trace the TextField textChange method, focusing on what happens when its TextChangeListener is removed during the event. Reproduce the reset, then verify that removing the listener leaves the field's current value unchanged.

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
30/100

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