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https://issues.apache.org/jira/browse/WICKET-27?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12730338#action_12730338
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Michael Mikhulya commented on WICKET-27:
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It didn't take much time to implement this functionality.
So I have cloned this issue (see WICKET-2364) to ensure that my patch will be
reviewed.
> Make LoadableDetachableModel writable
> -------------------------------------
>
> Key: WICKET-27
> URL: https://issues.apache.org/jira/browse/WICKET-27
> Project: Wicket
> Issue Type: Improvement
> Reporter: Martijn Dashorst
>
> To keep it compatible with current usage:
> public final void setObject(Object obj) {
> reload(obj);
> tempModelObject = obj;
> }
> protected void reload(Object obj) {
> throw new OperationNotSupportedException("Read only model");
> }
> Subclasses can now implement their own write logic. This is necessary for for
> instance stand alone dropdownchoice components that need to store their
> selection.
> e.g.
> MyPage {
> IModel<SchoolYear> selectedSchoolYear;
> public MyPage() {
> selectedSchoolYear = new
> HibernateModel<SchoolYear>(SchoolYear.current());
> new SchoolYearDropDownChoice(this, "schoolyear", selectedSchoolYear);
> }
> }
> If HibernateModel is not writeable then the selected SchoolYear instance
> would end up in the session.
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