RE: Lists within lists issue

[Deshmukh, Prabodh \(P.\)]

Looks like using nested tags helps only if I don't have lists/sub-lists
i.e. the object heirarchy is
object->sub-object->sub-sub-object->property

<nested:root name="object">
  <nested:iterate property="sub-object" type="..">
    <tr><td>
    <nested:iterate property="sub-sub-object" type ="..">
      <nested:textarea property="property"/>
    </nested:iterate>
    </td></tr>
  </nested:iterate>
</nested:root>              

Any thoughts?

-----Original Message-----
From: Deshmukh, Prabodh (P.) 
Sent: Monday, November 07, 2005 1:41 PM
To: 'Struts Users Mailing List'
Subject: Lists within lists issue


Hi,

I have an object that contains a list of sub-objects. These sub-objects
hold another list (say sub-list) )of sub-sub-objects:
object->list->sub-object->sub-list->sub-sub-object->property.

I am displaying various properties of the sub-sub-object - which can be
changed by the user - I want struts to fire the appropriate setters when
these properties are changed.

Here is how the jsp loop looks like:
<logic:iterate name="object" property="list" id="sub-object" type="..">
  <tr><td>
  <logic:iterate name="sub-object" property="sub-list"
id="sub-sub-object" type ="..">
    <html:textarea name="sub-sub-object" property="property"
indexed="true"/>
  </logic:iterate>
  </td></tr>
</logic:iterate>

I am able to display the "property" of the "sub-sub-object" - but when
the user changes the above text area, sub-sub-object.property - doesn't
get updated.

The html comes out as:
<tr><td>
   <textarea name="sub-sub-object[0].property">
   </textarea>
</td></tr>
<tr><td>
   <textarea name="sub-sub-object[1].property">
   </textarea>
</td></tr>
...

I want the html to be like:
<tr><td>
   <textarea name="sub-object[0].sub-sub-object[0].property">
   </textarea>
</td></tr>
<tr><td>
   <textarea name="sub-object[0].sub-sub-object[1].property">
   </textarea>
</td></tr>
...
<tr><td>
   <textarea name="sub-object[1].sub-sub-object[0].property">
   </textarea>
</td></tr>
<tr><td>
   <textarea name="sub-object[1].sub-sub-object[1].property">
   </textarea>
</td></tr>
...

This will enable struts to fire appropriate object setters.

Constraints: struts1.1 without struts-el tag library.

Any idea of how I can accomplish this? 

I will appreciate any responses.

Prabodh Deshmukh.

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