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Posted to commits@wicket.apache.org by "Sven Meier (Updated) (JIRA)" <ji...@apache.org> on 2011/11/17 22:28:52 UTC
[jira] [Updated] (WICKET-4231) allow palette's choicesModel to take
current selection into account
[ https://issues.apache.org/jira/browse/WICKET-4231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sven Meier updated WICKET-4231:
-------------------------------
Affects Version/s: 1.6.0
Summary: allow palette's choicesModel to take current selection into account (was: Palette - LoadableDetachableModel)
> allow palette's choicesModel to take current selection into account
> -------------------------------------------------------------------
>
> Key: WICKET-4231
> URL: https://issues.apache.org/jira/browse/WICKET-4231
> Project: Wicket
> Issue Type: Improvement
> Components: wicket-extensions
> Affects Versions: 1.5.3, 1.6.0
> Reporter: Wolfgang
> Assignee: Sven Meier
> Priority: Minor
> Attachments: myproject.tar.gz
>
> Original Estimate: 5m
> Remaining Estimate: 5m
>
> When using the Palette you get the List of all available Choices from the choicesModel via Constructor
> When this Model is a LoadableDetachableModel<List<String>> (so choices are not serialized)
> there is a problem when using as follows:
> I have a ListModel<String> as model and a LoadableDetachableModel<List<String>> for choicesModel
> So from start the model's List has some values which are *not* available in the choicesModel's List.
> Theirfor I fetch the available List from database and do an addAll of all Items in the modelList
> When you show the Palette for the first time everything is correct as all available Values are in the left List - and the presetted Values are in the right List.
> When you change nothing and just press the submit button - the updateModel() Method first clears out the model Values (including the presetted values) and then calls
> getRecorderComponent().getSelectedChoices()
> Theirfor the presetted Values are gone and the selected Value list is empty
> To clear out things:
> ModelList contains 'D'
> choicesModelList contains ('A','B','C'),
> in the load of the choiceModelList i add the D to the choiceModelList
> when just submitting form - the updateModel Method clears out the D
> and then fetches available Values again where the D already has gone.
> Workaround:
> Not using a LoadableDetachableModel but a normal ListModel works but Choices then get serialized which is not optimal.
> Prob. Solution:
> I tested with just move the line
> Iterator<T> it = getRecorderComponent().getSelectedChoices();
> at the top of the Method
> from 501 to 495
> then it works as expected.
> org/apache/wicket/extensions/markup/html/form/palette/Palette.java
> Line 498
> Please comment your 2 cents on this.
> Greetings
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