On 2/10/06, GuruJ <[EMAIL PROTECTED]> wrote:
Hi all,
Must admit I haven't tested the 'delete' code in my Preferential project
extensively (I'm mainly interested in adding and modifying values), but
the code I use is:
var prefService =
Components.classes ["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefService);
var prefBranch = prefService.getBranch(null);
if ( document.getElementById('deleteType').value == "reset") {
try {
prefBranch.clearUserPref(pref);
var msg = gBundle.getString("msgSuccessReset");
}
catch (e) {
var msg = gBundle.getString("msgErrorReset");
}
}
else {
try {
prefBranch.deleteBranch(pref);
var msg = gBundle.getString("msgSuccessDelete");
}
catch (e) {
var msg = gBundle.getString("msgErrorDelete");
}
}
// Reload source prefs window
reload(msg);
window.close();
Regards,
-- GuruJ.
David Murray wrote:
> What happens if you take the trailing dot off the branch? ie.
> prefs.resetBranch('extensions.termblaster '); ?
>
> David Duong wrote:
>> Thanks, but that was just a typo ;p. I have 'nsIPrefBranch' which is
>> returning the NS_ERROR_NOT_IMPLEMENTED
>>
>> I meant to write:
>> var prefs = Components.classes["@ mozilla.org/preferences-service;1
>> <http://mozilla.org/preferences-service;1 >"].
>> getService(Components.interfaces.nsIPrefBranch);
>> prefs.resetBranch('extensions.termblaster.');
>>
>> Is there a standard way to reset preferences?
>>
>> On 2/9/06, *HJ* <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>
>> wrote:
>>
>> David Duong wrote:
>> > Hi,
>> >
>> > I'm trying to reset my extension's preferences to default
>> values and
>> > came accross the function "resetBranch" of
>> "preferences-service". (
>> >
>>
>> http://www.xulplanet.com/references/xpcomref/comps/c_preferencesservice1.html )
>>
>> >
>> > So something like:
>> > var prefs =
>> Components.classes["@mozilla.org/preferences-service;1
>> <http://mozilla.org/preferences-service;1>
>> > <http://mozilla.org/preferences-service;1 >"].
>> > getService(Components.interfaces.nsIPrefService);
>> > prefs.resetBranch('extensions.myext.');
>> >
>> > Should work, but it only causes a not implemented error. What
>> is the
>> > best way to reset extension preferences?
>>
>> Right, just replace 'nsIPrefService' with 'nsIPrefBranch' ;)
>>
>> /HJ
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