Re: Dynamically sized form using dynavalidator

[Rick Reumann]

... and also, you're probably going to need to look into populating an 
empty array or List called from your reset method. Pain in the butt, but 
there is a lot in the archives about ways to handle it. For testing 
puprposes to start with just give the form session scope which will 
avoid the problem (but not necessarily the best thing in the world to do).

Rick Reumann wrote:
I haven't tested this and it's late.. but your form property is "cart" 
not item.. so if you are going to use JSTL (and not the nested tag which 
is actually easier) it would be something like...

<c:forEach var="item" items="${cartitems}" varStatus="status">
<html:text property="cart[${status.index}].unitPrice" 
value="${item.unitPrice}" /><br>
....

</c:forEach>
Using the nested tag it would be:
<nested:iterate property="cartitems">
     <nested:text property="unitPrice" />
    <nested:text property="quantity" />
</nested:iterate>

Jim Kennedy wrote:
Just to clarify something.  My expectation is that I can generate a form
that can grow (row-wise) at runtime and change/modify values in that 
form.
The processing action could then retrieve the dynaform and the changed
values would be saved back to whatever (array, collection list...)


-----Original Message-----
From: Jim Kennedy [mailto:[EMAIL PROTECTED] Sent: Wednesday, 
May 26, 2004 6:52 PM
To: 'Struts Users Mailing List'
Subject: Dynamically sized form using dynavalidator

I have defined a form that will grow dynamically at runtime.  The problem
I'm having is that the values entered in the form do not save.  The form
pre-populated just fine.  I have an action that delivers the form and
another action that processes the form.
Here's the strutsconfig:
        <form-bean name="shoppingCartForm"
type="org.apache.struts.validator.DynaValidatorForm">
            <form-property name="cart"
type="com.je.common.ShoppingCartItem[]"/>                </form-bean>
    <action        path="/propmgmt/viewcart"
    
type="com.je.struts.action.pm.ViewCartAction"
                name="shoppingCartForm"
                scope="session"
                input=""
                validate="false">
        <forward name="viewcart"
path="/tmpl_propmgmt2.jsp?pageleft=/propmgmt/leftmenu.jsp&amp;pagecenter=/pr 

opmgmt/viewcart.jsp&amp;pagetitle=home.title.key" />
    </action>
    
    <action        path="/propmgmt/checkout"
    
type="com.je.struts.action.pm.CheckOutAction"
                name="shoppingCartForm"
                scope="session"
                input=""
                validate="false">
        <forward name="checkoutform"
path="/tmpl_propmgmt2.jsp?pageleft=/propmgmt/leftmenu.jsp&amp;pagecenter=/pr 

opmgmt/checkout.jsp&amp;pagetitle=home.title.key" />
    </action>
=========================
Here's the JSP:
<html:form action="/propmgmt/checkout.exe" method="post" scope="session">
    <table border="0" width="96%" class="listings">
        <tr><th>Shopping Cart Items</th><th>Price</th><th>Length of
Ad</th><th>Item Total</th></tr>
        <c:forEach var="item" items="${cartitems}">
        <tr>
            <td><c:out value="${item.id}" /></td>                
            <td><html:text name="item" indexed="true" 
property="unitPrice"
size="6" /></td>                            <td><html:text name="item" 
indexed="true"
property="quantity"/></td>
            <%--<td><html:text name="total" value="" size="7"/></td>--%>
        </tr>
        </c:forEach>
    </table>
    
    <html:submit value="Proceed to Checkout-->"/> </html:form>

Like I said, the form prepopulates but when I enter new values I don't 
see
them in the "checkout" action. The original entered values aren't getting
overwritten.

=======================================
Here's what the gen'd HTML looks like:
<form name="shoppingCartForm" method="post"
action="/rentworx/propmgmt/checkout.exe">
    <table border="0" width="96%" class="listings">
        <tr><th>Shopping Cart Items</th><th>Price</th><th>Length of
Ad</th><th>Item Total</th></tr>
        <tr>
            <td>2702wes8172</td>                            <td><input 
type="text" name="item[0].unitPrice" size="6"
value="9.95"></td>                            <td><input type="text" 
name="item[0].quantity" value="1"></td>
        </tr>
        <tr>
            <td>30712iv8164</td>                            <td><input 
type="text" name="item[1].unitPrice" size="6"
value="9.95"></td>                            <td><input type="text" 
name="item[1].quantity" value="1"></td>
        </tr>
        <tr>
            <td>665brya8155</td>                            <td><input 
type="text" name="item[2].unitPrice" size="6"
value="9.95"></td>                            <td><input type="text" 
name="item[2].quantity" value="1"></td>
        </tr>
    </table>
    <input type="submit" value="Proceed to Checkout-->"> </form>

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Rick
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