The Palette component does not update its (Property-)Model after the underlying
list was changed by another part of the program
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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
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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