Hi again,
I got the CFPreferences synchronize app working but, I'm now having
issues with CFPreferencesSetApp value for an array.
This is my code for the method in question and it's used for the
NSTableView bindings:
- (void) setServers:(NSMutableArray *)a;
{
//Method for adding a new server, with mac address to the servers array
if (a==servers) return;
[a retain];
[servers release];
servers = a;
NSArray *serversToCopy = [servers copy];
//Next line causes an exception when adding a row.
if ([servers count]!=0) CFPreferencesSetAppValue(CFSTR("servers"),
(NSArray *)serversToCopy, appID);
else CFPreferencesSetAppValue(CFSTR("servers"), NULL, appID);
else NSLog(@"It's zero!");
[self updatePrefs];
}
It's building fine, but when I ran it I found that when I remove a row
from the table then it will remove the row from the plist happily and
without fuss. However, if I try to add a new row then I get an
exception, EXC_BAD_EXCESS. I thought that maybe it was something to do
with special characters in my array, but I tried removing them from
the default values and no joy.
The other thing that's confusing me is that what was an XML Plist that
I did by hand like this:
<key>servers</key>
<array>
<key>sname</key>
<string>PennyG5.local</string>
<key>mac</key>
<string>00:00:00:00:00:00</string>
</array>
etc...
has been transformed by the synchronization to this(!):
bplist00Ó[broadcastIPWserversXprinters]192.168.1.254¡Ò
TnameSmac^PennyMBP.local_00:1b:63:c4:aa:1c¢ Ó
VserverSuri_&Brother_HL_1650_1670N_series___PennyG5_Gmdns://Brother
%20HL-1650_1670N%20series%20%40%20PennyG5._ipp._tcp.localÓ
_EPSON_AL_C900___PennyG5]PennyG5.local_6mdns://EPSON%20AL-
C900%20%40%20PennyG5._ipp._tcp.local#,:<AFJYmpw~‚«õü$]
I keep on rereading the documentation and scouting around for
examples, but this class really is getting the better of me. Help!
Adam
On Oct26, 2008, at 1:12 PM, Jean-Daniel Dupas wrote:
Le 26 oct. 08 à 13:02, Adam Penny a écrit :
Hi there,
Thanks for your response Kyle.
Based on that I did this in my -(id)initWithBundle method and
tested it with and without a PList in the right place and it works:
servers= [[NSMutableArray alloc] init];
CFPropertyListRef
serversFromPlist=CFPreferencesCopyAppValue( CFSTR("servers"),
appID);
if (serversFromPlist &&
CFGetTypeID(serversFromPlist)==CFArrayGetTypeID())
{
[servers addObjectsFromArray: serversFromPlist];
// Get warning here: passing argument 1 of addObjectsFromArray
ignores qualifiers from target
}
printers= (NSMutableArray *)
CFPreferencesCopyAppValue( CFSTR("printers"), appID);
I think that the if clause protects the program from getting the
wrong pointer types, but I don't feel right about letting this
ride with a warning in it. Opinions?
So, tell the compiler that this is an NSArray:
[servers addObjectsFromArray: (NSArray *)serversFromPlist];
Ahhhhh, thank you!
Adam
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