Finally almost got it.. I had to extend the TreeNodeBase class adding a
identifier property, that is set as a param in the jsp responsible for
rendering. This way my identifier string makes it's way to the request
parameter map.
Sorry for the noise,
Tom
Thomas Lutz wrote:
small update:
my faces-config snippet was "wrong"...
if i change the
<managed-property>
<property-name>uidString</property-name>
<value>#{param.identifier}</value>
</managed-property>
to
<managed-property>
<property-name>uidString</property-name>
<value>#{requestScope.identifier}</value>
</managed-property>
it's working fine.
This works for me for the moment, as all my pages are accessed via the
navigation tree, but it looks like I would have to modify the tree
navigation somehow if I needed to access the pages via direct links as
well as via the tree ?
Regards,
Tom
Thomas Lutz wrote:
Hi list,
sorry, if this is obvious, but I couldn't find any help searching the
archives and the "internet" and besides I am quite new to JSF.
I use a tree2 instance for navigation, basically a "public void
selectNode(ActionEvent event)" method handles clicks on the tree, and
then tries to call the correct page. For editing, a feature id should
be added to the request, that is later injected in the backing bean
as a managed property. And this is not working... in the backing
beans property setter the parameter is null.
Debugging I found that my parameter is there in the getRequestMap(),
but not in the getRequestParameterMap()... Seems like I missed
something, please help me :-).
If my problem is just a symptom and my "architecture" :-) or approach
is wrong... don't hesitate to tell me :-)
Thanks in advance, regards,
Tom
---
Here some source snippets:
My tree clicked handler method:
public void selectNode(ActionEvent event) throws
AbortProcessingException
{
UIComponent component = (UIComponent) event.getSource();
while (!(component != null && component instanceof HtmlTree))
{
component = component.getParent();
}
if (component != null)
{
HtmlTree tree = (HtmlTree) component;
TreeNodeBase node = (TreeNodeBase) tree.getNode();
tree.setNodeSelected(event);
// now handle parameters encoded in the identifier
String nodeIdentifier = null;
if (node.getIdentifier().contains("?"))
{
// TODO this is hardcoded for the aerodrome only,
request string to request hashmap parser needed here
ExternalContext externalContext =
FacesContext.getCurrentInstance().getExternalContext();
externalContext.getRequestMap().put("identifier",
"4711");
nodeIdentifier =
node.getIdentifier().substring(0,node.getIdentifier().indexOf("?"));
}
else
{
nodeIdentifier = node.getIdentifier();
}
FacesContext.getCurrentInstance().getApplication().getNavigationHandler().handleNavigation(FacesContext.getCurrentInstance(),null,
nodeIdentifier);
}
}
---
Snippet from backing bean definition in faces-config:
<managed-bean>
<managed-bean-name>testmodel</managed-bean-name>
<managed-bean-class>at.schnirkel.test.TestModelImpl</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
<managed-property>
<property-name>uidString</property-name>
<value>#{param.identifier}</value>
</managed-property>
<managed-property>
<property-name>hibernateService</property-name>
<value>#{hibernateService}</value>
</managed-property>
</managed-bean>
---
The setter from the backing bean:
public void setUidString(String newValue)
{
System.out.println("set uidstring was called with [" +
newValue + "]");
Iterator iterator =
FacesContext.getCurrentInstance().getExternalContext().getRequestMap().entrySet().iterator();
while (iterator.hasNext())
{
Map.Entry entry = (Map.Entry) iterator.next();
System.out.println(entry.getKey() + " -> " +
entry.getValue());
}
ExternalContext externalContext =
FacesContext.getCurrentInstance().getExternalContext();
System.out.println("---------------");
System.out.println(externalContext.getRequestMap().get("identifier"));
System.out.println(externalContext.getRequestParameterMap().get("identifier"));
this.uidString = newValue;
}
