java - Wicket: Palette set default selected -

java - Wicket: Palette set default selected -

i'm trying implement palette. seek set default selected list it's empty.

mylists:

// here set of categorys in grouping set<category> selectedcategorysset = new hashset<category>(); selectedcategorysset = group.getcategorys(); // here categorys exists list<category> listcategory = new arraylist<category>(); listcategory = catdao.getall(category.class); list<category> selectedcats = new arraylist<category>(); list<category> tmplist = new arraylist<category>(); // palette doesnt take set added set list selectedcats.addall(selectedcategorysset); // here delete every category whole list selected (stored in temporary list) for(category catlist:listcategory){ for(category cat:selectedcategorysset){ if(cat.getcategoryid() == catlist.getcategoryid()){ tmplist.add(catlist); } } } listcategory.removeall(tmplist); /* 2 multiple select boxes switches items between each other */ ichoicerenderer<category> renderer = new choicerenderer<category>("title","categoryid"); final palette<category> palette = new palette<category>("palette", new listmodel<category>(selectedcats), new collectionmodel<category>(listcategory), renderer, 10, false);

i debugged code, works selected values empty.

here image of debugged variables:

but selected field still empty!

what doing wrong?

you should not delete every category whole list selected.

palette component must store whole list of values in it's choicesmodel listcategory in code.

so, remove next code implementation:

class="lang-java prettyprint-override">for(category catlist:listcategory){ for(category cat:selectedcategorysset){ if(cat.getcategoryid() == catlist.getcategoryid()){ tmplist.add(catlist); } } } listcategory.removeall(tmplist);

java wicket