Re: ManyToMany Custom Look

>
> Hi,
>
> I'm very new to trails, and tapestry and hibernate too by that matter.  I'm
> evaluating trails but I have been blocked on this problem for a few days
> now.
>
> I have a Society entity and a Person entity.  They are linked with a
> ManyToMany relationship like follows in Society.java:
>
> @PropertyDescriptor(index = 14, searchable = false, summary = false)
> @ManyToMany(
>    targetEntity = vu.gov.departmentcooperative.Person.class,
>    cascade = {CascadeType.PERSIST, CascadeType.MERGE}
> )
> @JoinTable(
>    name = "society_person",
>    joinColumns = @JoinColumn(name = "society_id"),
>    inverseJoinColumns = @JoinColumn(name = "person_id")
> )
> public List<Person> getMembers() {
>        return members;
> }
>
> public void setMembers(List<Person> newMembers) {
>        this.members = newMembers;
> }
>
> The default look for this type of field when editing a Society is to use a
> palette component.  I changed this to include a TableObject of members
> (Person.java) belonging to that particular society like follows:
>
>        <form jwcid="@trails:ObjectForm" model="ognl:model">
>          <!-- Custom look (component) for members attribute -->
>          <div id="members">
>            <div id="left" style="float:left;" jwcid="members@Block">
>              <li><label class="desc">Members</label>
>                <table class="table contribTable" jwcid="@trails:ObjectTable"
>                       rowsClass="ognl:beans.evenOdd.next"
>                       instances="ognl:model.members"
> classDescriptor="ognl:page.descriptorService.getClassDescriptor(classDescriptor.getPropertyDescriptor('members').elementType)"/>
>              </li>
>            </div>
>            <div id="right" jwcid="@If" condition="ognl:classDescriptor.allowSave">
>              <li>
>                a class="newlink" href="#" jwcid="@trails:NewLink"
> type="ognl:@vu.gov.departmentcooperative.Person@class">Add a New Member
>              </li>
>            </div>
>          </div>
>        </form>
>
> This obviously adds a new Person in the database but not specific to the
> Society I had opened for edit (or any Society at all).  In other words, it
> does not update the ManyToMany's JoinTable (society_person).
>
> image for clarity.
>
> http://www.nabble.com/file/p21027777/pic.png
>
> Can someone help me out?
>
> --
> Ghislain Hachey
> --
> View this message in context: http://www.nabble.com/ManyToMany-Custom-Look-tp21027777p21027777.html
> Sent from the Trails - Users mailing list archive at Nabble.com.
>
>
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