how to get the value which changed by javascript in pagecode?

[lijun wang]

changePrice( getpriceTotals());
I have this method in the changprice.java(pagecode),getpriceTotals() get the totlas price bean which is a managed bean from session scpoe, this bean also bind to text40 (a HtmlOutputText)in changeprice.jsp.
my question is , when I change the value of text40, how can I get the right value through getpriceTotals(), because I always get the old value.
Thanks

[g madhava]

The easy solution for you is to create a hidden field
and have both the text output value and the javascript value refer to this hidden field. the managed bean will also refer to this hidden field.

For example;

 
1]  In JSP page.
<h:form id="priceCalculator">
.....
<h:inputHidden id="hiddenPrice" value="#{changePrice.priceTotals}"/>
.....
</h:form>
 
2] In javascript code,
your javascript code will also refer to this field.
<script language="javascript">
function changePrice()
{
....
 // finally set your calculation value in javascript to hidden value.
  document.getElementById('priceCalculator:hiddenPrice').value = 
'final calculated price - should reflect the same as the value of 'text40'';
....
}
 
3] In your java class file,  (changePrice.java)
 
public class changePrice
{
.....
public Double getPriceTotals()
{
}
 
 //Add a setter method if you don't have it already
 
public void setPriceTotals(Double newValue)
{
  this.setPriceTotals = newValue;
}
 
....
}