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https://issues.apache.org/jira/browse/WICKET-462?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Igor Vaynberg reassigned WICKET-462:
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Assignee: Igor Vaynberg
> The Palette component does not update its (Property-)Model after the
> underlying list was changed by another part of the program
> -------------------------------------------------------------------------------------------------------------------------------
>
> Key: WICKET-462
> URL: https://issues.apache.org/jira/browse/WICKET-462
> Project: Wicket
> Issue Type: Bug
> Components: wicket-extensions
> Affects Versions: 1.2.5
> Environment: tomcat 5.5, java 1.5
> Reporter: Ivana Cace
> Assigned To: Igor Vaynberg
>
> The Palette component does not update its (Property-)Model after the
> underlying list was changed by another part of the program.
> I use a Palette to add individuals to a list of 'members'. For this Palette
> gets two models, the model for 'selected' is a PropertyModel of a field in
> a regular Java object.
> In some cases it is not allowed to remove individuals from this field. After
> submit another part of the software compares the new object to the old one,
> and returns the removed individuals.
> To notify the Palette that its model has changed (or should be changed) i
> call modelChanged().
> Regardless, the Palette does not show these changes on screen.
> Note that i update other field after submit too, and the components that use
> PropertyModels of these fields do reflect the changes! For example i use a
> Label to show a String.
> code in the form:
> opsModel = new Model(allUsers);
> membersModel = new PropertyModel(project,"members");
> IChoiceRenderer renderer = new ChoiceRenderer("displayName", "uid");
> chooseMembers = new Palette("people", membersModel, opsModel, renderer,
> 12, false);
> add(chooseMembers);
>
> public void onSubmit() {
> super.onSubmit();
> doSomeLogic(project);
> chooseMembers.modelChanged();
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