RE: DynaAction or Map Backed Form?

[Ray Madigan]

Im not sure how to do it with the iterate tag, I use the c:forEach tag in
the jstl taglib.

It goes something like this:
Assume service is a bean with accessors getDocuments ( ) and getId ( )
Assume document is a bean wit accessors getId ( ) and getName ( )

<c:forEach var='service' items='services'>

  <c:forEach var='document' items='service.documents'>
    <input type="checkbox" name='${service.id}"
           value='${document.id}'><c:out value='${document.name}'/>
  <c:forEach>

<c:foreach>

-----Original Message-----
From: Amin Lalji [mailto:[EMAIL PROTECTED]
Sent: Wednesday, April 07, 2004 1:26 PM
To: 'Struts Users Mailing List'
Subject: RE: DynaAction or Map Backed Form?


Here is the Data structure:

I have two tables (Services, Documents)
I hit the database and pull two separate Collections.
I need to iterate over both collections... here is the relationship:

ServiceID
ServiceName
                Documents
                        DocumentID
                        DocumentName

So a service object contains a collection of documents....

I need to be able to output something like:

<input type="checkbox" name="ServiceID[0].id"
value="DocumentID">DocumentName

---
<input type="checkbox" name="Catering[0].id"
value="001">Contract

<input type="checkbox" name="Catering[1].id"
value="002">Deposit

<input type="checkbox" name="Party[0].id"
value="001">Contract

<input type="checkbox" name="Party[1].id"
value="002">Deposit

In my action, I created a DynaActionForm.
I set a java.util.ArrayList property called requiredDocuments in
struts-config.xml

In my action I make the database calls, then I iterate the services
collection creating a RequiredDocumentsBean (contains serviceID,
serviceName, and documents Collection)

I populate the first two properties (serviceID, and serviceName) and then
iterate the documents collection setting a LabelValueBean

Here is the code:
<-- snip -->
while(sIterator.hasNext()){ // for each service...
RequiredDocumentsBean rd = new RequiredDocumentsBean();
ServiceBeanLocal service = (ServiceBeanLocal)sIterator.next();
        rd.setServiceId(service.getId());
rd.setServiceName(service.getServiceName());
        Iterator dIterator = documents.iterator();
                while(dIterator.hasNext()){ // for each available document
                DocumentBeanValue document =
DocumentBeanValue)dIterator.next();
                rd.getRequiredDocuments().add(new
LabelValueBean(document.getDocumentName(),document.getId()));
}
requiredDocuments.add(rd);
}
myForm.set("allRequiredDocuments",requiredDocuments);
request.setAttribute("allRequiredDocuments",requiredDocuments);

<-- snip -->

Thanks







-----Original Message-----
From: Ray Madigan [mailto:[EMAIL PROTECTED]
Sent: Wednesday, April 07, 2004 3:09 PM
To: Struts Users Mailing List
Subject: RE: DynaAction or Map Backed Form?

It isn't clear what you have to work with.  Is services a map of some sort,
or is it a collection.

Either way you should use the iterate tag in the logic tag set.

If you could explain the data structure better, it would be easier to help.


-----Original Message-----
From: Amin Lalji [mailto:[EMAIL PROTECTED]
Sent: Wednesday, April 07, 2004 12:39 PM
To: 'Struts Users Mailing List'
Subject: RE: DynaAction or Map Backed Form?


Sorry... to add...

Each Service may have a unknown set of documents...

E.g. Services:

        001 Catering
        002 Party

Documents:
        001 Contract
        002 Deposit

Should yield:

<input type="checkbox" name="Catering[0].id"
value="001">Contract

<input type="checkbox" name="Catering[1].id"
value="002">Deposit

<input type="checkbox" name="Party[0].id"
value="001">Contract

<input type="checkbox" name="Party[1].id"
value="002">Deposit

Thanks,
/A
-----Original Message-----
From: Amin Lalji [mailto:[EMAIL PROTECTED]
Sent: Wednesday, April 07, 2004 2:28 PM
To: 'Struts Users Mailing List'
Subject: DynaAction or Map Backed Form?

Hello All,



I have the following scenario:



I need to populate a form using a runtime generated set of form
properties...



Essentially I have two collections I pull from a database



Services (serviceID,serviceName)

Documents (documentID,documentName)



I want to populate a set of checkboxes for each service such that I achieve:

<input type="checkbox" name="serviceName[0].id"
value="documentID">documentName



Any ideas?


Thanks,



Amin



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