On 29-Sep-08, at 6:53 PM, David Holt wrote:
I display a different page Component for a user depending on what
group they belong to. On each page there is a WOSwitchComponent.
There are navigation buttons to reset the selection in a
WOSwitchComponent.
I am using a pageName string that is dynamically generated by adding
the group code to the component name.
I would prefer the action method names to remain constant so that I
can use the same ERXNavigationMenu labels no matter what group the
user belongs to.
To do this, it would seem that I need to dynamically cast the
WOComponent that is returned when the button is clicked. Is there a
way to do this? Here is what I have tried and trying to
setSelection(String) on a generic WOComponent generates a compiler
error (obviously).
As an example setSelection(String) is a method on the Main1
component and a typical action method to move between sections looks
like this:
public WOActionResults toSectionA() {
WOComponent nextPage = null;
ERXNavigationManager
.manager().navigationStateForSession(session()).setState(new
NSArray(new Object[] {
"my page",
"A. Background"
}));
String usergroupcodestring =
_currentUser.surveyGroup().codeNumber();
String pageName = "Main"+usergroupcodestring;
String partSelectionString = "Section"+usergroupcodestring;
nextPage = context().page().pageWithName(pageName);
nextPage.setSelection(partSelectionString+"A");
return nextPage;
}
How do I cast nextPage to the Main1 class so that it can set the
selection for the switch component? Or is there a way to
setSelection() after the nextPage has been returned and the Class is
known?
Use KVC, ie:
nextPage.takeValueForKey(partSelectionString+"A", "selection");
;david
--
David LeBer
Codeferous Software
'co-def-er-ous' adj. Literally 'code-bearing'
site: http://codeferous.com
blog: http://davidleber.net
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--
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http://tacow.org
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