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https://issues.apache.org/jira/browse/WICKET-1760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Grigorov resolved WICKET-1760.
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Resolution: Later
This ticket has no activity for 4 years. Closing it.
> Add an additional item reuse strategy to reuse items if an identified
> feedback message type occurs.
> ---------------------------------------------------------------------------------------------------
>
> Key: WICKET-1760
> URL: https://issues.apache.org/jira/browse/WICKET-1760
> Project: Wicket
> Issue Type: New Feature
> Components: wicket
> Reporter: Louis Savoldy
> Attachments: FeedbackMessageReuseStrategy.java
>
> Original Estimate: 6h
> Remaining Estimate: 6h
>
> Note: the implementation is attached.
> Add an additional item reuse strategy to reuse items if an identified
> feedback message type occurs. As an example, this reuse strategy can be used
> with a refreshing view to set the items back to their original values in the
> event of a page validation error. Although the existing
> ReuseIfModelsEqualStrategy can also be used to accomplish this, you must
> override the model's equals/hashcode for proper implementation (which is not
> always feasible based on the models complexity and depth).
> *All that is required to use this strategy is to set the item reuse (i.e. no
> need to override equals/hashcode)
> The usage of the new strategy would be as follows:
> Usage Example 1: If you want to redisplay the existing items of the
> refreshing view if a feed back message is generated of type warning or higher
> (warning, error, or fatal), you could do the following:
> refreshingViewInstance.setItemReuseStrategy(new
> FeedbackMessageReuseStrategy(FeedbackMessageReuseStrategy.Operator.GTE,
> FeedbackMessage.WARNING));
> Usage Example 2: For feedback message types that falls between (and
> including) INFO and ERROR, you could do the following:
> refreshingViewInstance.setItemReuseStrategy(new
> FeedbackMessageReuseStrategy(FeedbackMessageReuseStrategy.Operator.BETWEEN,
> FeedbackMessage.INFO, FeedbackMessage.ERROR));
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