Hi Miguel,
Suggestions below.
On Apr 8, 2006, at 8:55 AM, Miguel Arroz wrote:
Hi!
We have an application where the preferred user language is
stored in his account. So, he may see the application in English,
but as soon as he logs-in, the app switches to the language he
choose before. We do this by removing his language from the session
language list, and adding it again as the first one.
I'm implementing Logout now. To implement Logout, I have used
code from Practical WebObjects book:
public WOComponent logout() {
NSMutableDictionary arguments = new NSMutableDictionary();
arguments.setObjectForKey(Boolean.FALSE, "wosid");
session().terminate();
WORedirect mainPage = (WORedirect) pageWithName("WORedirect");
mainPage.setUrl(context().directActionURLForActionNamed
("logout", arguments));
return mainPage;
}
When using this, it's obvious that, whatever the language was
before, the Logout page will appear in english. So, I did a small
modification:
public WOComponent logout() {
NSMutableDictionary arguments = new NSMutableDictionary();
arguments.setObjectForKey(Boolean.FALSE, "wosid");
arguments.setObjectForKey(session().languages
().objectAtIndex(0), "language");
session().terminate();
WORedirect mainPage = (WORedirect) pageWithName("WORedirect");
mainPage.setUrl(context().directActionURLForActionNamed
("logout", arguments));
return mainPage;
}
And, in DirectAction, I tried this:
public WOActionResults logoutAction() {
String language = (String)request().formValueForKey
("language");
changeLanguage(language);
return pageWithName("LogoutComponent");
}
public void changeLanguage(String newLanguage) {
NSMutableArray languagesArray = new NSMutableArray
(this.languages());
languagesArray.removeObject(newLanguage);
languagesArray.insertObjectAtIndex(newLanguage,0);
this.setLanguages(languagesArray);
}
This almost works, but I'm having a problem... the
"LogoutComponent" itself appears in the correct language, but all
the sub-components it includes appear in English. I suspect this
happens because they have WOHyperlinks, so a new session is created
somewhere between by return pageWithName and the page actually gets
sent to the browser.
Yes, that is correct. If you use an action binding on a WOHyperlink
a session will be created. If this is not what you want, you will
have to change the links to direct actions.
Probably, the other subcomponents are getting the language from the
Session (which, at that point, i cannot control) and not from the
Direct Action.
Yes.
As the session does not exist during the execution of my
logoutAction() method, I cannot change it's languages array. Is
there any way to solve this? Maybe forcing the creation of a
session in the logoutAction() method, but I could not find out how
to do it.
No, do it in changeLanguage:
public void changeLanguage(String newLanguage) {
NSMutableArray languagesArray = new NSMutableArray
(this.languages());
languagesArray.removeObject(newLanguage);
languagesArray.insertObjectAtIndex(newLanguage,0);
this.setLanguages(languagesArray);
session().setLanguages(languagesArray);
}
Chuck
--
Coming in 2006 - an introduction to web applications using WebObjects
and Xcode http://www.global-village.net/wointro
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems. http://www.global-village.net/products/practical_webobjects
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