Hi,
Thanks for your feedback but it is NOT what I want to do. This looks
very much like mixing Java and HTML. I like to fill the form properties
in my ActionClass and use JSP to display them.
So in my Action Class there should be something like
PropertyUtils.setSimpleProperty(form, "expenseType", <expense type that should
match ONE entry in my collection>);
In the JSP as shown in my original message:
<html:select property="expenseType">
<html:options collection="expenseTypes" property="typeCode"
labelProperty="typeDescription"/>
where expenseTypes is the collection containing instances of expenseType
class and typeCode is the value and typeDescription the label displayed
in the drop-down listbox.
I currently don't know how to set the property using PropertyUtils in my
Action class.
Tom
MADISHETTY, ASHOK [AG-Contractor/8042] wrote:
Hi,
You may try following:
Enumeration expenseTypeList = expenseTypes.elements(); // Vector of
ExpenseType class objects
ExpenseType type = null;
<select name='select'>
if (expenseTypeList != null) {
while(expenseTypeList.hasMoreElements()) {
type = (ExpenseType) expenseTypeList.nextElement();
<option value='"+type.getTypeCode()+"'>+type.getTypeDescription()+</option>
}
}
</select>
This will display type description in list box and retrieve typeCode when
you call select.value();
Is that what you wanted?
Thanks
Ashok
-----Original Message-----
From: Tom Bednarz [mailto:[EMAIL PROTECTED]
Sent: Monday, September 04, 2006 2:24 PM
To: Struts Users Mailing List
Subject: How to set the property of a drop-down select list from an action
class?
I like to display a dop-down select list and select an apropriate entry
from that list in an action:
This fills the list box:
<html:select property="expenseType">
<html:options collection="expenseTypes" property="typeCode"
labelProperty="typeDescription"/>
The expenseTypes is a Vector of the following class:
public class ExpenseType
{
long typeCode;
String typeDescription;
public ExpenseType()
{
}
public ExpenseType(long typeCode, String typeDescription)
{
super();
this.typeCode = typeCode;
this.typeDescription = typeDescription;
}
... setters and getters
}
In my Action class I usually use the following code to populate the form
with values from a business object:
PropertyUtils.setSimpleProperty(form, "expenseName", expense.getName());
...
How do I pre-select the correct entry in my drop-down list-box? In my
business object I have a value that matches the typeCode of the above
class but dispayed should be the typeDescription.
The collection is a vector, but I do not know the postition of the item
to select, I only have its value. So I cannot use
ProperyUtils.getIndexedProperty(..). But I can also not use
getMappedProperty() since a vector has no keys....
So how is this done with Vectors? Or should in general Hashtables be
taken for drop-down listboxes?
Tom
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