/I am trying to make a palette with using http://chenillekit.codehaus.org/
generics with database entity objects.
This i my page template/
<t:layout t:pageTitle="${message:title}"
xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd";
xmlns:tx="tapestry-library:tapx">
<section>
<header>
Detalji o studentu
</header>
<article >
<t:if test="about">
<t:beandisplay object="about"/>
</t:if>
<t:if negate="true" test="about">
Entitet ${about} does not exist.
<br/>
<br/>
</t:if>
</article>
<header>
Lista Grupa
</header>
<t:zone t:id="lista">
<t:form t:id="form">
<t:Palette t:model="grupaModels"
t:selected="paletteSelectedValues" t:encoder="grupaEncoder"/>
<t:submit t:id="submit" value="message:update"/>
</t:form>
</t:zone>
<footer>
<t:pagelink page="PageAddStudent">
${message:back}
</t:pagelink>
</footer>
</section>
</t:layout>
/And this is my page class/
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package projekat.pages;
import java.util.ArrayList;
import java.util.List;
import org.apache.tapestry5.annotations.InjectComponent;
import org.apache.tapestry5.annotations.Persist;
import org.apache.tapestry5.annotations.Property;
import org.apache.tapestry5.annotations.SessionState;
import org.apache.tapestry5.corelib.components.Zone;
import org.apache.tapestry5.ioc.annotations.Inject;
import org.chenillekit.tapestry.core.encoders.GenericValueEncoder;
import org.chenillekit.tapestry.core.models.GenericMultipleSelectModel;
import org.hibernate.Session;
import org.hibernate.criterion.Restrictions;
import projekat.entities.Grupa;
import projekat.entities.Korisnik;
import projekat.entities.Student;
import projekat.services.ProtectedPage;
@ProtectedPage
public class PageDetailStudent {
/**
* Student
*/
@Persist
@Property
private Student about;
/**
* Groups
*/
@Persist
@Property
private Grupa isIn;
/**
* List of Groups
*/
@Persist
private List<Grupa> isInList;
/**
* database session
*/
@Inject
private Session hibernate;
/**
* zone
*/
@InjectComponent
private Zone lista;
/**
* user
*/
@SessionState
@Property
private Korisnik asoKorisnik;
/**
* userexistance
*/
@Property
private boolean asoKorisnikExists;
//editing start
/**http://chenillekit.codehaus.org/chenillekit-tapestry/apidocs/org/chenillekit/tapestry/core/encoders/GenericValueEncoder.html*/
@Persist
private GenericValueEncoder<Grupa> grupaEncoder = new
GenericValueEncoder<Grupa>(isInList, null, null);
/**http://chenillekit.codehaus.org/chenillekit-tapestry/apidocs/org/chenillekit/tapestry/core/models/GenericMultipleSelectModel.html*/
@Persist
private GenericMultipleSelectModel<Grupa> grupaModels = new
GenericMultipleSelectModel<Grupa>(isInList, null, null, null, null);
/**
* list of selected values from palette
*/
@Property
@Persist
private List<Grupa> paletteSelectedValues;
void setupRender() {
if (paletteSelectedValues == null) {
paletteSelectedValues = new ArrayList<Grupa>();
}
}
//editing end
/**
* on page activation get student from database
* with id
*/
void onActivate(long kljuc) {
this.about = (Student)
hibernate.createCriteria(Student.class).add(Restrictions.eq("kljuc",
kljuc)).uniqueResult();
}
/**
* list all groups from database
*
* @return
*/
public List<Grupa> getIsInList() {
return (List<Grupa>) hibernate.createCriteria(Grupa.class).list();
}
/**
* add selected groups to student and saves to database
*
* @return
*/
public Object onActionFromSubmit() {
about.getGrupaList().addAll(paletteSelectedValues);
hibernate.persist(about);
return lista;
}
}
/So my main problem with what to fill null values on class page/
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