 | Mailing List | | Home | | Forum Home | | JBoss - Java Application Server | | Tomcat - JSP/Servlet container | | Struts - A MVC web framework | | iText - An open source PDF Java Library | | JDOM - JDOM XML Parser | | J2EE - A mailing list for Java(tm) 2 Platform, Enterprise Edition | | JSP - A mailing list about Java Server Pages specification and reference | | J2EE Pattern - An interest list for Sun Java Center J2EE Pattern Catalog | | Servlet - A mailing list for discussion about Sun Microsystem's Java Servlet API Technology | |
Struts & Hibernate
|
|
|
| | | - Re: Passing data between nested conversations | - Re: Passing data between nested conversations 2007-08-09 - By denis-karpov
Back
>From the nested conversation you have access to the parent conversation scope.
You can't add or remove from the parent scope, but you can get a reference to
an any object and you can change the state of this object.
Next thing you can do. You can pass parameters when you start nested
conversation.
For instance, to choose link object I use nested conversation (old one, because
I use 1.2.1 version)
In this way I start nested conversation
<a4j:commandLink value="#{messages['com.colvir.common.choose']}" action="#
{refer.begin}" propagation="nest">
| <a4j:actionparam name="ref" value="#{refName}" assignTo="#{refer.refName}"
/>
| <a4j:actionparam name="caption" value="#{caption}" assignTo="#{refer
.caption}"/>
| <a4j:actionparam name="binding" value="#{binding}" assignTo="#{refer
.binding}"/>
| <a4j:actionparam name="viewid" value="#{viewid}" assignTo="#{refer.viewid}
"/>
| </a4j:commandLink>
|
In this way I return from nested to parent
public String select() {
| if (binding==null){
| throw new RuntimeException("Binding in reference can't be null");
| }
| Query r = getRef();
| if ( r==null ){
| throw new RuntimeException("Reference query can't be null");
| }
| Object o = r.getDataModel().getRowData();
|
| // End conversation and redirect to parent
| Conversation.instance().endAndRedirect(true);
| // Returning selected value
| Expressions.instance().createValueBinding("#{"+binding+"}")
.setValue(o);
| return null;
| }
|
| public String cancel() {
| Conversation.instance().endAndRedirect(true);
| return null;
| }
|
Actually, with composite pageflows everything has to be much simpler.
Denis.
View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic
&p=4072354#4072354
Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode
=reply&p=4072354
__ ____ ____ ____ ____ ____ ____ ____ ____ ____
jboss-user mailing list
jboss-user@(protected)
https://lists.jboss.org/mailman/listinfo/jboss-user
|
|
|
