Using a java.util.List with a HTML:SELECT

[sean jones]

is it possible to use a java.util.List object with an HTML:SELECT control.

import java.util.List;
import java.util.ArrayList;

public final class Roles extends Ojbect {
public Roles() {}
public static List getRoles() {
 List r = new ArrayList();
 r.add(ADMIN);
 r.add(SUPERADMIN);
 r.add(CLERK);
 r.add(SUPERCLERK);
 return r;
}
}

in jsp 

i would use
html:form action=. 
html:select property=formprop

!-- what goest inside the html:select aattribute --
html:options..

html:select
/html:form



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Re: Using a java.util.List with a HTML:SELECT

[Oliver Thiel]

Hi, 

You can try something like this:

1. Instead of return r --- request.setAttribute(formprop,r);

2. In your JSP 
select name=formprop
logic:iterate id=field name=formprop
  option value=bean:write name=field
property=formprop[]/bean:write name=field property=formprop[]//option
/logic:iterate 
/select   

If you want your property|value pair to be different, 
you should use a HashMap.


Oliver



 
 is it possible to use a java.util.List object with an HTML:SELECT control.
 
 import java.util.List;
 import java.util.ArrayList;
 
 public final class Roles extends Ojbect {
 public Roles() {}
 public static List getRoles() {
  List r = new ArrayList();
  r.add(ADMIN);
  r.add(SUPERADMIN);
  r.add(CLERK);
  r.add(SUPERCLERK);
  return r;
 }
 }
 
 in jsp 
 
 i would use
 html:form action=. 
 html:select property=formprop
 
 !-- what goest inside the html:select aattribute --
 html:options..
 
 html:select
 /html:form
 
 
 
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 To unsubscribe, e-mail: [EMAIL PROTECTED]
 For additional commands, e-mail: [EMAIL PROTECTED]
 

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Re: Using a java.util.List with a HTML:SELECT

[Niall Pemberton]

The html:options and html:optionsCollection... tags expect a
collection of beans - not String values.

If you put the values in beans then you it goes something like

html:select name=myForm property=roleName
 html:optionsCollection name=myForm property=roleList
label=roleName value=roleId/
/html:select


So you store the list of roles in your action form under the property
roleList and that contains a List of beans which
have roleName and roleId properties.

Niall

- Original Message - 
From: sean jones [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, February 13, 2004 5:00 PM
Subject: Using a java.util.List with a HTML:SELECT



 is it possible to use a java.util.List object with an HTML:SELECT control.

 import java.util.List;
 import java.util.ArrayList;

 public final class Roles extends Ojbect {
 public Roles() {}
 public static List getRoles() {
  List r = new ArrayList();
  r.add(ADMIN);
  r.add(SUPERADMIN);
  r.add(CLERK);
  r.add(SUPERCLERK);
  return r;
 }
 }

 in jsp

 i would use
 html:form action=. 
 html:select property=formprop

 !-- what goest inside the html:select aattribute --
 html:options..

 html:select
 /html:form



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 To unsubscribe, e-mail: [EMAIL PROTECTED]
 For additional commands, e-mail: [EMAIL PROTECTED]





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Re: Using a java.util.List with a HTML:SELECT

[sean jones]

i am aware of this option but DAO only returns a list of Strings and i prefer 
that to a list of beans.  The reason is i am more interested in the role name 
than the role_id.  

I plan to delete all the roles then put them back with a batchupdate.

This allows the user to selected all the roles to get rid of in one shot -vs- 
one at a time. 

Also roles cannot be deleted if they are in use (USER_ROLES - {user_id, 
role_id})

Maybe i am wrong, and should change the DAO to return a List 
of  LabelValueBeans




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