Re: Finder's sidebar background color
Well, it is kind of a source list (a list of command descriptions). It is hard to explain in words, please take a look at the link to OnMyCommand I've posted earlier. However, I do think it really fits its purpose :D I agree, but I don't understand why a real source list doesn't do what you want. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Playing around with BWToolKit
Hi Dave, If the user isn't able to configure the toolbar, then all you need to do is get a reference to the BWSelectableToolbar and call this method on it: - (void)switchToItemAtIndex:(int)anIndex animate:(BOOL)shouldAnimate The index is the raw toolbar index - it's zero based and includes spaces and separators. And in your case you'd pass in NO for animation. In a future version of BWToolkit, I'll likely make this more obvious and base it on the item identifier or the item label rather than the index. Cheers, Brandon On 15-Nov-08, at 8:51 PM, Dave DeLong wrote: Hey everyone, I've been playing around with Brandon's new BWToolKit, and I was wondering if there's any way to hook the ToolbarItems up through code. I've got a window with four different sections, and I want to have some NSMenuItems that, when selected, will open the window to the appropriate section. The closest I've come is to grab all the item identifiers and select them that way, but I was wondering if anyone's found a more robust way to do that. Thanks, Dave ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/bwalkin%40gmail.com This email sent to [EMAIL PROTECTED] ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Configure a button added in IB
Thanks! Works like a charm. Didn't work at first because I put theButton = [[NSButton alloc] init]; before the [theButton setTitle:@send steve money]; When that was removed, it worked ok (and you will probably get your money). wamund 16 nov 2008 kl. 02.48 skrev Steven Riggs: To do it from code, add something like.. IBOutlet NSButton *theButton; ...to your .h Instanitate your class in interface builder and then connect theButton to your button my control dragging from your class to the button. and then use the documentation here: http://developer.apple.com/documentation/Cocoa/Reference/ApplicationKit/Classes/NSButton_Class/Reference/Reference.html ...to learn what kind of messages you can send to it. ex. [theButton setTitle:@send steve money]; :-) Good luck, Steven Riggs On Nov 15, 2008, at 7:04 PM, Mikael Wämundson wrote: Am a quite a newbie to Cocoa programming. Adding and configuring a button in IB is straightforward. I understand the process of setting action and target in IB and the connection to Xcode (IBOutlet and IBAction). But what is the approach when creating a button in IB that I then want to configure (set title, image, enabled, etc.) in Xcode? How do I reach the button from Xcode? wamund ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/steven.riggs %40me.com This email sent to [EMAIL PROTECTED] ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Playing around with BWToolKit
On 16-Nov-08, at 5:10 AM, Nathan Kinsinger wrote:
On Nov 16, 2008, at 1:50 AM, Brandon Walkin wrote:
Hi Dave,
If the user isn't able to configure the toolbar, then all you need
to do is get a reference to the BWSelectableToolbar and call this
method on it:
- (void)switchToItemAtIndex:(int)anIndex animate:(BOOL)shouldAnimate
The index is the raw toolbar index - it's zero based and includes
spaces and separators. And in your case you'd pass in NO for
animation. In a future version of BWToolkit, I'll likely make this
more obvious and base it on the item identifier or the item label
rather than the index.
Cheers,
Brandon
On 15-Nov-08, at 8:51 PM, Dave DeLong wrote:
Hey everyone,
I've been playing around with Brandon's new BWToolKit, and I was
wondering if there's any way to hook the ToolbarItems up through
code. I've got a window with four different sections, and I want
to have some NSMenuItems that, when selected, will open the window
to the appropriate section.
The closest I've come is to grab all the item identifiers and
select them that way, but I was wondering if anyone's found a more
robust way to do that.
Thanks,
Dave
I've been playing with this too, and I used -setSelectedIndex:
because that is in your header and -switchToItemAtIndex:animate: is
marked as private. I also tried using NSToolbar's -
setSelectedItemIdentifier:, however that causes the toolbar icon to
change but not the view, so you may want to override that.
1) add:
- (void)setSelectedItemIdentifier:(NSString *)itemIdentifier
{
selectedIndex = [itemIdentifiers indexOfObject:itemIdentifier];
[self switchToItemAtIndex:[self
toolbarIndexFromSelectableIndex:selectedIndex] animate:YES];
}
2) change line 284 in -selectItemAtIndex: to call supers
implementation:
[super setSelectedItemIdentifier:identifier];
Using the label to change the toolbar selection is not a good idea
because the labels may be localized and then they won't match. And
using the index only works for toolbars that can't be modified. You
could create a custom NSToolbarItem class in IB and add the
identifier to the IB inspector, that way developers can set custom
identifiers in IB like they can when creating the toolbar items in
code.
One more thing, any of the headers (like BWSelectableToolbar.h) that
users of your framework may need to use your classes, should be
marked as public so that the headers are exported with the framework
and then we can include them like:
#import BWToolkitFramework/BWSelectableToolbar.h
--Nathan
Thanks for the suggestions. I'll implement them for the next release.
Just a note: I'm tracking issues on Bitbucket so if you have any other
bugs or feature enhancements, please post them there. http://www.bitbucket.org/bwalkin/bwtoolkit/issues/
Cheers,
Brandon
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Re: Playing around with BWToolKit
On Nov 16, 2008, at 1:50 AM, Brandon Walkin wrote:
Hi Dave,
If the user isn't able to configure the toolbar, then all you need
to do is get a reference to the BWSelectableToolbar and call this
method on it:
- (void)switchToItemAtIndex:(int)anIndex animate:(BOOL)shouldAnimate
The index is the raw toolbar index - it's zero based and includes
spaces and separators. And in your case you'd pass in NO for
animation. In a future version of BWToolkit, I'll likely make this
more obvious and base it on the item identifier or the item label
rather than the index.
Cheers,
Brandon
On 15-Nov-08, at 8:51 PM, Dave DeLong wrote:
Hey everyone,
I've been playing around with Brandon's new BWToolKit, and I was
wondering if there's any way to hook the ToolbarItems up through
code. I've got a window with four different sections, and I want
to have some NSMenuItems that, when selected, will open the window
to the appropriate section.
The closest I've come is to grab all the item identifiers and
select them that way, but I was wondering if anyone's found a more
robust way to do that.
Thanks,
Dave
I've been playing with this too, and I used -setSelectedIndex: because
that is in your header and -switchToItemAtIndex:animate: is marked as
private. I also tried using NSToolbar's -setSelectedItemIdentifier:,
however that causes the toolbar icon to change but not the view, so
you may want to override that.
1) add:
- (void)setSelectedItemIdentifier:(NSString *)itemIdentifier
{
selectedIndex = [itemIdentifiers indexOfObject:itemIdentifier];
[self switchToItemAtIndex:[self
toolbarIndexFromSelectableIndex:selectedIndex] animate:YES];
}
2) change line 284 in -selectItemAtIndex: to call supers implementation:
[super setSelectedItemIdentifier:identifier];
Using the label to change the toolbar selection is not a good idea
because the labels may be localized and then they won't match. And
using the index only works for toolbars that can't be modified. You
could create a custom NSToolbarItem class in IB and add the identifier
to the IB inspector, that way developers can set custom identifiers in
IB like they can when creating the toolbar items in code.
One more thing, any of the headers (like BWSelectableToolbar.h) that
users of your framework may need to use your classes, should be marked
as public so that the headers are exported with the framework and then
we can include them like:
#import BWToolkitFramework/BWSelectableToolbar.h
--Nathan
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Archiving NSError
Hello to mac developers :) If I don't misunderstand things NSError objects can be archived because NSError implements NSCoding protocol. I try to archive it as follows: NSMutableDictionary * dict = [[NSMutableDictionary alloc] init]; NSError * error = [[NSError alloc] initWithDomain: @TestDomain code: 1 userInfo: nil]; [dict setObject:error forKey:@Error]; [dict setObject:@OperationName forKey:@Operation]; [dict writeToFile:@/Users/ivira/temp atomically:YES]; Without placing error into dict it work's ok. What am I doing wrong? -- With regards, Vera Tkachenko [ICQ#230923300] [web http://vera.org.ua] ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Archiving NSError
Le 16 nov. 08 à 15:41, Vera Tkachenko a écrit : Hello to mac developers :) If I don't misunderstand things NSError objects can be archived because NSError implements NSCoding protocol. I try to archive it as follows: NSMutableDictionary * dict = [[NSMutableDictionary alloc] init]; NSError * error = [[NSError alloc] initWithDomain: @TestDomain code: 1 userInfo: nil]; [dict setObject:error forKey:@Error]; [dict setObject:@OperationName forKey:@Operation]; [dict writeToFile:@/Users/ivira/temp atomically:YES]; Without placing error into dict it work's ok. What am I doing wrong? You try to serialize it not archiving it. See this guide for the difference between the two technics: http://developer.apple.com/documentation/Cocoa/Conceptual/Archiving/Archiving.html ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Archiving NSError
Have a look at the documentation for -writeToFile:atomically: In particular this quote: This method recursively validates that all the contained objects are property list objects (instances of NSData, NSDate, NSNumber, NSString, NSArray, or NSDictionary) before writing out the file, and returnsNO if all the objects are not property list objects, since the resultant file would not be a valid property list. What is your real goal? Do you want a plist where the Error key is an archived NSError object, or just an archived version of the dictionarty? I'm going to guess the former in which case you would change your code to do: [dict setObject:[NSKeyedArchiver archivedDataWithRootObject:error] forKey:@Error]; On 16 Nov 2008, at 14:41, Vera Tkachenko wrote: Hello to mac developers :) If I don't misunderstand things NSError objects can be archived because NSError implements NSCoding protocol. I try to archive it as follows: NSMutableDictionary * dict = [[NSMutableDictionary alloc] init]; NSError * error = [[NSError alloc] initWithDomain: @TestDomain code: 1 userInfo: nil]; [dict setObject:error forKey:@Error]; [dict setObject:@OperationName forKey:@Operation]; [dict writeToFile:@/Users/ivira/temp atomically:YES]; Without placing error into dict it work's ok. What am I doing wrong? -- With regards, Vera Tkachenko [ICQ#230923300] [web http://vera.org.ua] ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/cocoadev%40mikeabdullah.net This email sent to [EMAIL PROTECTED] ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Layer-backed NSOpenGLView not showing up
On Oct 3, 2008, at 9:46 AM, Albert Martin wrote:
videoLayer = [[CALayer layer] retain];
NSOpenGLPixelFormatAttribute attributes[] = {
NSOpenGLPFANoRecovery,
NSOpenGLPFAColorSize, 24,
NSOpenGLPFAAlphaSize, 8,
NSOpenGLPFADepthSize, 16,
NSOpenGLPFADoubleBuffer,
NSOpenGLPFAAccelerated,
0};
presentationVideoLayer = [[[IWVideoView alloc] initWithFrame:
NSMakeRect(0, 0, frameRect.size.width, frameRect.size.height)
pixelFormat: [[NSOpenGLPixelFormat alloc]
initWithAttributes:attributes]] retain];
[presentationVideoLayer setLayer: videoLayer];
[presentationVideoLayer setWantsLayer: YES];
[[self layer] addSublayer: videoLayer];
[presentationVideoLayer setNeedsDisplay: YES];
[[presentationVideoLayer openGLContext] update];
There are number issues here.
One is as Matt mentioned, your using a plain CALayer when a
CAOpenGLLayer is called for. A plain CALayer will not render OpenGL
content. In this simple case, you will likely want to just let AppKit
create the layer for you (by not calling setLayer:).
Two, your trying to add a layer as a sublayer of itself. That won't
work for obvious reasons :). But then, you shouldn't be playing with
this layer anyway.
Third, and this one might not actually be an issue for you, is that
there is a bug in AppKit that causes layer-backed NSOpenGLViews to use
the wrong pixel format for their CAOpenGLLayers. Specifically, if you
really need a depth buffer (and aren't just copying a pixel format
from elsewhere) then you will need to create your own CAOpenGLLayer
subclass and do the proper work there. You can see the
CALayerEssentials sample http://developer.apple.com/samplecode/CALayerEssentials/index.html
for details on how to do that.
This is just an aside, but I notice when you create your view you do
alloc/init.../retain - this usually indicates that you are going to
leak sometime in the future as you are claiming two counts of
ownership on the view. This may be what you want, but it usually
isn't, so thats why I point it out.
--
David Duncan
Apple DTS Animation and Printing
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NSArrayController bound to an array of strings
Dear all, If have seen lots of examples in which a NSTableView is bound to an NSArrayController which is bound to an array of entity objects, having various properties. However I am now trying to bind a table column to an array of strings and I don't seem to get this working. The string contents show up correctly, but when I try to modify an existing item, or add a new item, I get the error Error setting value for key path of object (from bound object NSTableColumn: 0x10bb40(null)): [NSCFString 0xa0609328 setValue:forUndefinedKey:]: this class is not key value coding- compliant for the key . I got the NSArrayController bound to the NSMutableArray property of my AppController class. I set the class to NSMutableString (also tries NSString). The NSTableView is bound to the NSArrayController, as well as the table column. Do I really need to create a class which only contains a string property to get this working, or is there any trick that I don't know about. Thanks a lot for any suggestions. Best regards Meik ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
NSView positioning problems
Hi all, In a nib, I have a view (OutputView) which contains a table view and a custom view (OutputToolbarView) which will be loaded from another nib. This view will end up in a NSTabView. So in IB, I placed a dummy custom view above the table view like this: - | custom| - | | | table view | | | |___| In the window controller -windowDidLoad method, I load the the OutputView which loads the OutputToolbarView (each have their own NSViewControllers). Now, I tried to make the replacement in the OutputView's controller awakeFromNib method but this puts the custom view on top of the table view, positioned at the origin specified for the custom view in the nib. That's because the replacement happens before the table view had the chance to resize itself according to the window's height (I think). If instead of replacing the custom view, I add it as a subview of the dummy custom view, the origin is correct but it doesn't fill the window's width. I've read the documentation about NSView and it's companion guide but it's a big chunk to swallow and I would like to see a simple example on where to put the code for replacing a view. Thanks, Andre Masse ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: NSArrayController bound to an array of strings
On Mon, Nov 17, 2008 at 4:45 AM, Meik Schuetz [EMAIL PROTECTED] wrote:
Dear all,
If have seen lots of examples in which a NSTableView is bound to an
NSArrayController which is bound to an array of entity objects, having
various properties. However I am now trying to bind a table column to an
array of strings and I don't seem to get this working. The string contents
show up correctly, but when I try to modify an existing item, or add a new
item, I get the error
Error setting value for key path of object (from bound object
NSTableColumn: 0x10bb40(null)): [NSCFString 0xa0609328
setValue:forUndefinedKey:]: this class is not key value coding-compliant for
the key .
I got the NSArrayController bound to the NSMutableArray property of my
AppController class. I set the class to NSMutableString (also tries
NSString). The NSTableView is bound to the NSArrayController, as well as the
table column.
Do I really need to create a class which only contains a string property to
get this working, or is there any trick that I don't know about.
The only trick I can think of is to use string as the model key and
then, because NSString doesn't have a string method, you need to add
a category method to NSString:
- (NSString *)string
{
return self;
}
Having said that, it's not a particularly nice way of doing things and
you need to make sure you use mutable strings (which you might not
need otherwise). If I were you, I'd create a new object. You might
find that you want to add more columns to the table in future.
-- Chris
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Re: NSView positioning problems
On Nov 16, 2008, at 7:25 PM, Andre Masse wrote: Hi all, In a nib, I have a view (OutputView) which contains a table view and a custom view (OutputToolbarView) which will be loaded from another nib. This view will end up in a NSTabView. So in IB, I placed a dummy custom view above the table view like this: - | custom| - | | | table view | | | |___| In the window controller -windowDidLoad method, I load the the OutputView which loads the OutputToolbarView (each have their own NSViewControllers). Now, I tried to make the replacement in the OutputView's controller awakeFromNib method but this puts the custom view on top of the table view, positioned at the origin specified for the custom view in the nib. That's because the replacement happens before the table view had the chance to resize itself according to the window's height (I think). If instead of replacing the custom view, I add it as a subview of the dummy custom view, the origin is correct but it doesn't fill the window's width. I've read the documentation about NSView and it's companion guide but it's a big chunk to swallow and I would like to see a simple example on where to put the code for replacing a view. In both cases, you can't just replace or insert a view and hope its frame will be correct. If you want to replace the custom view, you need to: 1) Get the frame of the custom view 2) Set this frame to be the one of your replacement view (better if done before adding the view) If you want to insert your view inside the custom view, you need to: 1) Get the bounds of the custom view 2) Set these bounds to be the frame of your view (better if done before adding the view). ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: NSView positioning problems
On Nov 16, 2008, at 10:25, Andre Masse wrote: In a nib, I have a view (OutputView) which contains a table view and a custom view (OutputToolbarView) which will be loaded from another nib. This view will end up in a NSTabView. So in IB, I placed a dummy custom view above the table view like this: - | custom| - | | | table view | | | |___| In the window controller -windowDidLoad method, I load the the OutputView which loads the OutputToolbarView (each have their own NSViewControllers). Now, I tried to make the replacement in the OutputView's controller awakeFromNib method but this puts the custom view on top of the table view, positioned at the origin specified for the custom view in the nib. That's because the replacement happens before the table view had the chance to resize itself according to the window's height (I think). If instead of replacing the custom view, I add it as a subview of the dummy custom view, the origin is correct but it doesn't fill the window's width. There's not quite enough information here to be certain what's going on, but in a sense it shouldn't matter *when* you do the replacement, as long as it's an *exact* replacement at the time when you do it. In particular, that means: -- setting the OutputToolbarView's frame to DummyToolbarView's frame just before you add it to OutputView's subviews -- making sure that OutputToolbarView's autoresize flags are identical to DummyToolbarView's autoresize flags, which have presumably been set up in IB to get the resizing behavior your want. I suspect that #2 is the problem here. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Core data save error with multiple persistent stores
In my application I have two managed object contexts, as I need to be able to
save two subsets of my Core Data setup separately.
These are both using one and the same persistent store coordinator; the
coordinator has two stores.
I take care that every object instance gets inserted into the right
managedObjectContext, by using [NSEntityDescription
insertNewObjectForEntityForName: ...]. And it gets assigned to the right
persistent store by using
- (void) awakeFromInsert
{
...
[managedObjectContext assignObject:self toPersistentStore:
[persistentStoreCoordinator persistentStoreForURL: url]];
}.
There are no relationships between objects in different persistent stores, as
it should be.
This seems to work OK on one system, but leads to a strange error on two other
systems (for the same program).
When a change has been made to the Core Data objects (e.g. adding an instance),
the 'save' action of the managedObjectContext gives an exception (no error
screen) saying 'can't reassign object to a different store once it has been
saved'.
This means the Core Data stack cannot be saved anymore, which is of course a
serious problem.
Do you know what causes this error? Do I need to use a different setup for the
managedObjectContext - persistentStoreCoordinator - persistentStores system?
Thanks for your time,
Arthur C.
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Re: NSArrayController bound to an array of strings
On Nov 16, 2008, at 1:45 PM, Chris Suter wrote:
The only trick I can think of is to use string as the model key and
then, because NSString doesn't have a string method, you need to add
a category method to NSString:
- (NSString *)string
{
return self;
}
I don't know bindings, but it might help to know there is aleady a -
self method that returns self.
--Andy
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Re: NSView positioning problems
On Nov 16, 2008, at 2:41 PM, Quincey Morris wrote: There's not quite enough information here to be certain what's going on, but in a sense it shouldn't matter *when* you do the replacement, as long as it's an *exact* replacement at the time when you do it. In particular, that means: -- setting the OutputToolbarView's frame to DummyToolbarView's frame just before you add it to OutputView's subviews -- making sure that OutputToolbarView's autoresize flags are identical to DummyToolbarView's autoresize flags, which have presumably been set up in IB to get the resizing behavior your want. Does -[NSView replaceSubview:with:] take care of these? --Andy ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Core data save error with multiple persistent stores
On Nov 16, 2008, at 12:02, Arthur C. wrote:
I take care that every object instance gets inserted into the right
managedObjectContext, by using [NSEntityDescription
insertNewObjectForEntityForName: ...]. And it gets assigned to the
right persistent store by using
- (void) awakeFromInsert
{
...
[managedObjectContext assignObject:self toPersistentStore:
[persistentStoreCoordinator persistentStoreForURL: url]];
}.
There are no relationships between objects in different persistent
stores, as it should be.
This seems to work OK on one system, but leads to a strange error on
two other systems (for the same program).
When a change has been made to the Core Data objects (e.g. adding an
instance), the 'save' action of the managedObjectContext gives an
exception (no error screen) saying 'can't reassign object to a
different store once it has been saved'.
This means the Core Data stack cannot be saved anymore, which is of
course a serious problem.
Do you know what causes this error? Do I need to use a different
setup for the managedObjectContext - persistentStoreCoordinator -
persistentStores system?
The example in the documentation:
http://developer.apple.com/documentation/Cocoa/Conceptual/CoreData/Articles/cdCreateMOs.html#/
/apple_ref/doc/uid/TP40001654-SW2
does the assignment immediately after the
insertNewObjectForEntityForName call, not in awakeFromInsert.
I'm wondering if undo is what's causing your problem. If not undo,
then some other circumstances that leads to awakeFromInsert being
called when the object is not really brand-new.
Have you tried doing it the way Apple's example shows?
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Using NSDateFormatter on NSPopUpButton in IB
Hi all experienced developers! It is possible to apply a NSDateFormatter on a NSPopUpButton in IB, but whatever settings I do with the formatter I can't get it to format the date. The PopUpButton is connected to an ArrayController using binding. The array contains objects with a NSCalendarDate variable. This variable is used in the binding. Any suggestions? /wamund ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: NSView positioning problems
On Nov 16, 2008, at 12:16, Andy Lee wrote: Does -[NSView replaceSubview:with:] take care of these? IDK, but I see nothing in the documentation to suggest that it does anything but deal with the subview ordering. If it does, that would be useful information to know. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: NSView positioning problems
On Nov 16, 2008, at 3:30 PM, Quincey Morris wrote: On Nov 16, 2008, at 12:16, Andy Lee wrote: Does -[NSView replaceSubview:with:] take care of these? IDK, but I see nothing in the documentation to suggest that it does anything but deal with the subview ordering. Which makes me realize, if I had to ask even after checking the docs, the docs could be more clear. I've submitted feedback. --Andy ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
XML Datasource question on persistence
Hey there,I'm wondering if anyone has any guidance on something. I'm getting an xml datafeed every so often that should populate data for my iphone app. I could keep this file local and read every time the app starts up and update it every so often from the web. I could also parse the xml into a sqlite db and use the sqlite db as the datasource for the app. I just wonder if anyone has any opinion on how best to persist the data. Thanks, Mark ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: NSView positioning problems
Quincey you were right on the money: the new view had a wrong flag (anchored to the bottom). Thanks a lot to everyone, Andre Masse On Nov 16, 2008, at 14:41, Quincey Morris wrote: There's not quite enough information here to be certain what's going on, but in a sense it shouldn't matter *when* you do the replacement, as long as it's an *exact* replacement at the time when you do it. In particular, that means: -- setting the OutputToolbarView's frame to DummyToolbarView's frame just before you add it to OutputView's subviews -- making sure that OutputToolbarView's autoresize flags are identical to DummyToolbarView's autoresize flags, which have presumably been set up in IB to get the resizing behavior your want. I suspect that #2 is the problem here. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
RE: Core data save error with multiple persistent stores
From: [EMAIL PROTECTED]: [EMAIL PROTECTED]: Core data save error with multiple
persistent storesDate: Sun, 16 Nov 2008 21:02:37 +0100
In my application I have two managed object contexts, as I need to be able to
save two subsets of my Core Data setup separately. These are both using one and
the same persistent store coordinator; the coordinator has two stores. I take
care that every object instance gets inserted into the right
managedObjectContext, by using [NSEntityDescription
insertNewObjectForEntityForName: ...]. And it gets assigned to the right
persistent store by using - (void) awakeFromInsert{ ...
[managedObjectContext assignObject:self toPersistentStore:
[persistentStoreCoordinator persistentStoreForURL: url]];}.There are no
relationships between objects in different persistent stores, as it should be.
This seems to work OK on one system, but leads to a strange error on two other
systems (for the same program). When a change has been made to the Core Data
objects (e.g. adding an instance), the 'save' action of the
managedObjectContext gives an exception (no error screen) saying 'can't
reassign object to a different store once it has been saved'. This means the
Core Data stack cannot be saved anymore, which is of course a serious problem.
Do you know what causes this error? Do I need to use a different setup for the
managedObjectContext - persistentStoreCoordinator - persistentStores system?
Thanks for your time,Arthur C.
The example in the documentation:
http://developer.apple.com/documentation/Cocoa/Conceptual/CoreData/Articles/cdCreateMOs.html#/
/apple_ref/doc/uid/TP40001654-SW2does the assignment immediately after
the insertNewObjectForEntityForName call, not in awakeFromInsert.
All right, but that does not cover the case of an object being added using the
'add' button linked to the array controller (which btw is bound to the correct
managedObjectContext). Then you end up directly in awakeFromInsert, which at
least should be OK if it is executed only once.
I'm wondering if undo is what's causing your problem. If not undo, then some
other circumstances that leads to awakeFromInsert being called when the
object is not really brand-new.
I'll check that. Undo is probably not the problem, we can trigger the error
without doing an undo operation.
Have you tried doing it the way Apple's example shows?
I'll do that, but as said, it's incomplete and the awakeFromInsert will still
be needed...
Thanks so far,
Arthur C.
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NSExpression and CAST (NSPredicate)
NSExpression contains the following mysterious information: All methods must take 0 or more id arguments and return an id value, although you can use the CAST expression to convert datatypes with lossy string representations (for example, CAST(, NSDate)). The CAST expression is extended in Mac OS X v10.5 to provide support for casting to classes for use in creating receivers for function expressions. The Predicate programming guide doesn't seem to shed any more light on it. Can anybody tell me any more about the mysterious CAST expressions? Make the switch to the world#39;s best email. Get Yahoo!7 Mail! http://au.yahoo.com/y7mail ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: XML Datasource question on persistence
I would say it depends on how big the dataset is. If the data is small and/or you have to slurp it all into memory anyway, then I like the simplicity of just keeping it as XML. But if the data is arbitrarily large and/or you don't want it all in memory at once, then going to sqlite becomes somewhat of a necessity. --- On Sun, 16/11/08, Mark McCray [EMAIL PROTECTED] wrote: From: Mark McCray [EMAIL PROTECTED] Subject: XML Datasource question on persistence To: cocoa-dev@lists.apple.com Received: Sunday, 16 November, 2008, 1:18 PM Hey there,I'm wondering if anyone has any guidance on something. I'm getting an xml datafeed every so often that should populate data for my iphone app. I could keep this file local and read every time the app starts up and update it every so often from the web. I could also parse the xml into a sqlite db and use the sqlite db as the datasource for the app. I just wonder if anyone has any opinion on how best to persist the data. Thanks, Mark ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/idou747%40yahoo.com This email sent to [EMAIL PROTECTED] Make the switch to the world#39;s best email. Get Yahoo!7 Mail! http://au.yahoo.com/y7mail ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
newbie NSMutable dictionary subclass question
Can the value part of a key-value pair in an NSMutableDictionary be a
literal NSString, like @name?
It would seem so, because this works or at least doesn't crash:
NSMutableDictionary *bobo;
bobo = [[NSMutableDictionary alloc] init];
[bobo setValue:@root forKey:@name];
However, I have a class derived from NSMutableDictionary, and it is
crashing when I try to do the same thing:
@interface myClass : NSMutableDictionary {
}
@end
myClass *tree;
tree = [[myClass alloc] init];
[tree setValue:@root forKey:@name];
Why does that crash when the first does not? Are subclasses required
to have member variables, or can they just have new functions? Mine
don't have any variables, maybe that is the problem?
Thanks for any replies!
Bob
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Re: newbie NSMutable dictionary subclass question
Why does that crash when the first does not? Are subclasses required to have member variables, or can they just have new functions? Mine don't have any variables, maybe that is the problem? See: http://developer.apple.com/documentation/Cocoa/Conceptual/CocoaFundamentals/CocoaObjects/chapter_3_section_9.html#//apple_ref/doc/uid/TP40002974-CH4-DontLinkElementID_105 -- Chris ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Fetch value from field editor during editing?
I need to be able to find the current value of a NSTextField even if it is being edited. I have the following code to check if it is being edited, and get the value from the field editor instead: fresp = [[txtf window] firstResponder]; if ([fresp isKindOfClass:[NSTextView class]] [(NSTextView*)fresp delegate] == txtf) str = [(NSTextView*)fresp string];// being edited, get from field editor else str = [txtf stringValue];// not being edited, get from textfield itself When the text field (txtf) is being edited, the first case is definitely used, but the wrong value still results. Ie suppose the original textfield contained 100, I click on it to edit it and change the value to 140. Now the code above runs (while the text field is still being edited). The result is the original 100, not the current 140, even though it is the field editor that is being queried. How do I get the correct current value? This is a generic query, it can't end editing on the field or otherwise change the state. Needless to say, I'm more than a little surprised by this behavior. The whole field editor thing is kind of like hanging your underwear to dry in the living room to start with. Now the actual state seems to be even more opaque. Thanks. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Two arrays sharing the same adress space.
Greetings. I'm having a weird behaviour, i have 2 arrays declared in the same controller, and for some reason they both share the same memory space. well actually in debug they share the same pointer, witch is not something I asked for. the bonjourservices and the mounts array's are the ones geting the same pointer. here is my code. NSMutableArray *bonjourServices; NSMutableArray *mounts; transportTypes = [NSArray arrayWithObjects:@afp,@smb,@cifs,@nfs,nil]; mounts = [[NSMutableArray alloc] init]; [mounts initWithContentsOfFile:[[self applicationSupportFolder] stringByAppendingPathComponent:@Bonjour Mounter.plist]]; // the bonjourScanner sends a notification when the content of the passed array is modified, we will pick it up here. [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(bonjourServiceNotigficationUpdate) name:SERVICE_ADD_REMOVE_NOTIFICATION object:nil]; bonjourServices = [[NSMutableArray alloc]init]; AFPScanner = [[BonjourScanner alloc]init]; SMBScanner = [[BonjourScanner alloc]init]; NFSScanner = [[BonjourScanner alloc]init]; AFPScanner.bonjourServices = bonjourServices; SMBScanner.bonjourServices = bonjourServices; NFSScanner.bonjourServices = bonjourServices; [AFPScanner searchForService:@_afpovertcp._tcp. domain:nil]; [SMBScanner searchForService:@_smb._tcp. domain:nil]; [NFSScanner searchForService:@_nfs._tcp. domain:nil]; did anyone ever have that kind of problem ? i'm a little puzzled, thank you ... Sandro Noel. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Two arrays sharing the same adress space.
I just declared a third NSMutableArray to see if that one would have a different pointer, and well it had the same pointer somehow... what is this ? is it some type of setting ? Sandro Noel. On 16-Nov-08, at 11:22 PM, Sandro Noel wrote: Greetings. I'm having a weird behaviour, i have 2 arrays declared in the same controller, and for some reason they both share the same memory space. well actually in debug they share the same pointer, witch is not something I asked for. the bonjourservices and the mounts array's are the ones geting the same pointer. here is my code. NSMutableArray *bonjourServices; NSMutableArray *mounts; transportTypes = [NSArray arrayWithObjects:@afp,@smb,@cifs,@nfs,nil]; mounts = [[NSMutableArray alloc] init]; [mounts initWithContentsOfFile:[[self applicationSupportFolder] stringByAppendingPathComponent:@Bonjour Mounter.plist]]; // the bonjourScanner sends a notification when the content of the passed array is modified, we will pick it up here. [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(bonjourServiceNotigficationUpdate) name:SERVICE_ADD_REMOVE_NOTIFICATION object:nil]; bonjourServices = [[NSMutableArray alloc]init]; AFPScanner = [[BonjourScanner alloc]init]; SMBScanner = [[BonjourScanner alloc]init]; NFSScanner = [[BonjourScanner alloc]init]; AFPScanner.bonjourServices = bonjourServices; SMBScanner.bonjourServices = bonjourServices; NFSScanner.bonjourServices = bonjourServices; [AFPScanner searchForService:@_afpovertcp._tcp. domain:nil]; [SMBScanner searchForService:@_smb._tcp. domain:nil]; [NFSScanner searchForService:@_nfs._tcp. domain:nil]; did anyone ever have that kind of problem ? i'm a little puzzled, thank you ... Sandro Noel. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/sandro.noel%40mac.com This email sent to [EMAIL PROTECTED] ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Two arrays sharing the same adress space.
On Nov 16, 2008, at 8:22 PM, Sandro Noel wrote: mounts = [[NSMutableArray alloc] init]; [mounts initWithContentsOfFile:[[self applicationSupportFolder] stringByAppendingPathComponent:@Bonjour Mounter.plist]]; You are initializing mounts twice, and you're also throwing away what the second initialization returns (which may be different from the first because init can cause new objects to be returned). I suppose your code should be: mounts = [[NSMutableArray alloc] initWithContentsOfFile:[[self applicationSupportFolder] stringByAppendingPathComponent:@Bonjour Mounter.plist]]; Regards Markus -- __ Markus Spoettl smime.p7s Description: S/MIME cryptographic signature ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Two arrays sharing the same adress space.
At what point in the code are you checking? Is this a release build, or a debug build in which you've gone enabled some optimizations? In the code you posted mounts is init'd (twice actually, which is unecessary), then never used. It's perfectly possible that the two variables mounts bonjourServices will be stored in the same register--depending on compiler settings. In other words, the two arrays would certainly have different addresses. But since you're not referring to mounts after it's initialized, the space where the pointer to mounts is stored can be reused to store the different pointer to bonjourServices. Step it line by line, and watch the values of those variables. Or actually do something with mounts later in the method. Or get rid of mounts if you're not going to use it. -- Scott Ribe [EMAIL PROTECTED] http://www.killerbytes.com/ (303) 722-0567 voice ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Two arrays sharing the same adress space.
Scott. thank you for your explanation. Mounts is being used, but just not in the init function. it is being used later in the code. that is why i was geting confused because the 2 arrays, are not meant to hold the same type of data. and right now, they contain mixed data type. witch makes my other functions crash. On 16-Nov-08, at 11:37 PM, Scott Ribe wrote: At what point in the code are you checking? Is this a release build, or a debug build in which you've gone enabled some optimizations? In the code you posted mounts is init'd (twice actually, which is unecessary), then never used. It's perfectly possible that the two variables mounts bonjourServices will be stored in the same register-- depending on compiler settings. In other words, the two arrays would certainly have different addresses. But since you're not referring to mounts after it's initialized, the space where the pointer to mounts is stored can be reused to store the different pointer to bonjourServices. Step it line by line, and watch the values of those variables. Or actually do something with mounts later in the method. Or get rid of mounts if you're not going to use it. -- Scott Ribe [EMAIL PROTECTED] http://www.killerbytes.com/ (303) 722-0567 voice ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Two arrays sharing the same adress space.
Forgot to answer the first question. This is a debug built, and I'm checking in the code where mounts is being assigned objects I have not enabled any optimization that I know of ... Sandro Noel. On 16-Nov-08, at 11:37 PM, Scott Ribe wrote: At what point in the code are you checking? Is this a release build, or a debug build in which you've gone enabled some optimizations? In the code you posted mounts is init'd (twice actually, which is unecessary), then never used. It's perfectly possible that the two variables mounts bonjourServices will be stored in the same register-- depending on compiler settings. In other words, the two arrays would certainly have different addresses. But since you're not referring to mounts after it's initialized, the space where the pointer to mounts is stored can be reused to store the different pointer to bonjourServices. Step it line by line, and watch the values of those variables. Or actually do something with mounts later in the method. Or get rid of mounts if you're not going to use it. -- Scott Ribe [EMAIL PROTECTED] http://www.killerbytes.com/ (303) 722-0567 voice ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Core data save error with multiple persistent stores
On Nov 16, 2008, at 13:30, Arthur C. wrote: The example in the documentation: http://developer.apple.com/documentation/Cocoa/Conceptual/CoreData/Articles/cdCreateMOs.html#/ /apple_ref/doc/uid/TP40001654-SW2does the assignment immediately after the insertNewObjectForEntityForName call, not in awakeFromInsert. All right, but that does not cover the case of an object being added using the 'add' button linked to the array controller (which btw is bound to the correct managedObjectContext). Then you end up directly in awakeFromInsert, which at least should be OK if it is executed only once. Using -[NSArrayController add:] as an action is often suitable only for the simplest cases. In your case, it would not be unreasonable to write your own action (in, say, the window controller) to create the object and insert it in the right place with the right characteristics. I'm wondering if undo is what's causing your problem. If not undo, then some other circumstances that leads to awakeFromInsert being called when the object is not really brand-new. I'll check that. Undo is probably not the problem, we can trigger the error without doing an undo operation. Have you tried doing it the way Apple's example shows? I'll do that, but as said, it's incomplete and the awakeFromInsert will still be needed... It might also be worth putting a test in awakeFromInsert -- first check if the object has been assigned to a persistent store, and only assign if it has not. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Two arrays sharing the same adress space.
This is a debug built, and I'm checking in the code where mounts is being assigned objects Which, if I recall correctly, is before bonjourServices is allocated. What do you think the problem is? -- Scott Ribe [EMAIL PROTECTED] http://www.killerbytes.com/ (303) 722-0567 voice ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Two arrays sharing the same adress space.
I'm actually checking here in this function.
- (IBAction)mountSomeServers:(id)sender
{
NSDictionary *mountDictionary;
mountDictionary = [NSDictionary dictionaryWithObjectsAndKeys:
[server stringValue], ServerNameKey,
[share stringValue], VolumeNameKey,
[type title], TransportNameKey,
@, MountDirectoryKey,
[user stringValue], UserNameKey,
[password stringValue], PasswordKey,
[NSNumber numberWithBool:YES],
AsyncKey, NULL];
[mounts addObject:mountDictionary];
this is the only place where objects are being added to the mount array.
I checked the init function and as soon as the bonjourServices array
is initialized witch is after the mounts array
it is assigned the same pointer as the mounts array, and from what i
can deduce it's because the mounts array is empty
at the time, because the file it is trying to load does not exist yet.
I'm just guessing here, I've never encountered that kind of problem in
17 years of programing in any language.
mind you i'm quite new to cocoa, but i did not face that problem in
any of my other cocoa programs.
Sandro Noel.
On 17-Nov-08, at 12:04 AM, Scott Ribe wrote:
This is a debug built, and I'm checking in the code where mounts is
being assigned objects
Which, if I recall correctly, is before bonjourServices is
allocated. What
do you think the problem is?
--
Scott Ribe
[EMAIL PROTECTED]
http://www.killerbytes.com/
(303) 722-0567 voice
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Re: Two arrays sharing the same adress space.
Have you fixed the [mounts initWithContentsOfFile:...] bug and it still happens?
Cheers,
Chuck
- Original Message
From: Sandro Noel [EMAIL PROTECTED]
To: Scott Ribe [EMAIL PROTECTED]
Cc: cocoa-dev@lists.apple.com
Sent: Sunday, November 16, 2008 9:16:15 PM
Subject: Re: Two arrays sharing the same adress space.
I'm actually checking here in this function.
- (IBAction)mountSomeServers:(id)sender
{
NSDictionary *mountDictionary;
mountDictionary = [NSDictionary dictionaryWithObjectsAndKeys:
[server stringValue], ServerNameKey,
[share stringValue], VolumeNameKey,
[type title], TransportNameKey,
@, MountDirectoryKey,
[user stringValue], UserNameKey,
[password stringValue], PasswordKey,
[NSNumber numberWithBool:YES], AsyncKey, NULL];
[mounts addObject:mountDictionary];
this is the only place where objects are being added to the mount array.
I checked the init function and as soon as the bonjourServices array is
initialized witch is after the mounts array
it is assigned the same pointer as the mounts array, and from what i can
deduce
it's because the mounts array is empty
at the time, because the file it is trying to load does not exist yet.
I'm just guessing here, I've never encountered that kind of problem in 17
years
of programing in any language.
mind you i'm quite new to cocoa, but i did not face that problem in any of my
other cocoa programs.
Sandro Noel.
On 17-Nov-08, at 12:04 AM, Scott Ribe wrote:
This is a debug built, and I'm checking in the code where mounts is
being assigned objects
Which, if I recall correctly, is before bonjourServices is allocated. What
do you think the problem is?
--Scott Ribe
[EMAIL PROTECTED]
http://www.killerbytes.com/
(303) 722-0567 voice
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Set user agent for NSURL
Hello I am working on a website crawler and I am needing to make a user agent string so people who monitoring who visits can know that my crawler visited. Thanks for the help, Mr. Gecko ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Two arrays sharing the same adress space.
as it turns out. with the bug fixed the mounts array is left null
because the file does not exist yet.
so further in the program is i try to add to the array, nothing happens.
and if i try mounts = [[NSMutableArray alloc] init]; only the two
arrays get the same pointer.
transportTypes = [NSArray
arrayWithObjects:@afp,@smb,@cifs,@nfs,nil];
mounts = [[NSMutableArray alloc] initWithContentsOfFile:[[self
applicationSupportFolder] stringByAppendingPathComponent:@Bonjour
Mounter.plist]];
bonjourServices = [[NSMutableArray alloc]init];
AFPScanner = [[BonjourScanner alloc]init];
SMBScanner = [[BonjourScanner alloc]init];
NFSScanner = [[BonjourScanner alloc]init];
AFPScanner.bonjourServices = bonjourServices;
SMBScanner.bonjourServices = bonjourServices;
NFSScanner.bonjourServices = bonjourServices;
[AFPScanner searchForService:@_afpovertcp._tcp. domain:nil];
[SMBScanner searchForService:@_smb._tcp. domain:nil];
[NFSScanner searchForService:@_nfs._tcp. domain:nil];
}
return self;
}
On 17-Nov-08, at 12:47 AM, Charles Steinman wrote:
Have you fixed the [mounts initWithContentsOfFile:...] bug and it
still happens?
Cheers,
Chuck
- Original Message
From: Sandro Noel [EMAIL PROTECTED]
To: Scott Ribe [EMAIL PROTECTED]
Cc: cocoa-dev@lists.apple.com
Sent: Sunday, November 16, 2008 9:16:15 PM
Subject: Re: Two arrays sharing the same adress space.
I'm actually checking here in this function.
- (IBAction)mountSomeServers:(id)sender
{
NSDictionary *mountDictionary;
mountDictionary = [NSDictionary dictionaryWithObjectsAndKeys:
[server stringValue], ServerNameKey,
[share stringValue], VolumeNameKey,
[type title], TransportNameKey,
@, MountDirectoryKey,
[user stringValue], UserNameKey,
[password stringValue], PasswordKey,
[NSNumber numberWithBool:YES], AsyncKey, NULL];
[mounts addObject:mountDictionary];
this is the only place where objects are being added to the mount
array.
I checked the init function and as soon as the bonjourServices
array is
initialized witch is after the mounts array
it is assigned the same pointer as the mounts array, and from what
i can deduce
it's because the mounts array is empty
at the time, because the file it is trying to load does not exist
yet.
I'm just guessing here, I've never encountered that kind of problem
in 17 years
of programing in any language.
mind you i'm quite new to cocoa, but i did not face that problem in
any of my
other cocoa programs.
Sandro Noel.
On 17-Nov-08, at 12:04 AM, Scott Ribe wrote:
This is a debug built, and I'm checking in the code where mounts is
being assigned objects
Which, if I recall correctly, is before bonjourServices is
allocated. What
do you think the problem is?
--Scott Ribe
[EMAIL PROTECTED]
http://www.killerbytes.com/
(303) 722-0567 voice
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Re: Two arrays sharing the same adress space.
OK.
the double initialization was the problem.
the first init was giving me a pointer, and the second one was
returning nothing because the file did not exist,
and i guess the compiler was reusing it...
the problem was fixed like this, sorry for the confusion guy's and
thanks for the help.
I guess it's past my bed time...
NSFileManager *fileManager;
fileManager = [NSFileManager defaultManager];
if ( [fileManager fileExistsAtPath:[[self applicationSupportFolder]
stringByAppendingPathComponent:@Bonjour Mounter.plist]
isDirectory:NULL] ) {
mounts = [[NSMutableArray alloc] initWithContentsOfFile:[[self
applicationSupportFolder] stringByAppendingPathComponent:@Bonjour
Mounter.plist]];
}
else{
mounts = [[NSMutableArray alloc] init];
}
On 17-Nov-08, at 12:52 AM, Sandro Noel wrote:
as it turns out. with the bug fixed the mounts array is left null
because the file does not exist yet.
so further in the program is i try to add to the array, nothing
happens.
and if i try mounts = [[NSMutableArray alloc] init]; only the two
arrays get the same pointer.
transportTypes = [NSArray
arrayWithObjects:@afp,@smb,@cifs,@nfs,nil];
mounts = [[NSMutableArray alloc] initWithContentsOfFile:[[self
applicationSupportFolder] stringByAppendingPathComponent:@Bonjour
Mounter.plist]];
bonjourServices = [[NSMutableArray alloc]init];
AFPScanner = [[BonjourScanner alloc]init];
SMBScanner = [[BonjourScanner alloc]init];
NFSScanner = [[BonjourScanner alloc]init];
AFPScanner.bonjourServices = bonjourServices;
SMBScanner.bonjourServices = bonjourServices;
NFSScanner.bonjourServices = bonjourServices;
[AFPScanner searchForService:@_afpovertcp._tcp. domain:nil];
[SMBScanner searchForService:@_smb._tcp. domain:nil];
[NFSScanner searchForService:@_nfs._tcp. domain:nil];
}
return self;
}
On 17-Nov-08, at 12:47 AM, Charles Steinman wrote:
Have you fixed the [mounts initWithContentsOfFile:...] bug and it
still happens?
Cheers,
Chuck
- Original Message
From: Sandro Noel [EMAIL PROTECTED]
To: Scott Ribe [EMAIL PROTECTED]
Cc: cocoa-dev@lists.apple.com
Sent: Sunday, November 16, 2008 9:16:15 PM
Subject: Re: Two arrays sharing the same adress space.
I'm actually checking here in this function.
- (IBAction)mountSomeServers:(id)sender
{
NSDictionary *mountDictionary;
mountDictionary = [NSDictionary dictionaryWithObjectsAndKeys:
[server stringValue], ServerNameKey,
[share stringValue], VolumeNameKey,
[type title], TransportNameKey,
@, MountDirectoryKey,
[user stringValue], UserNameKey,
[password stringValue], PasswordKey,
[NSNumber numberWithBool:YES], AsyncKey, NULL];
[mounts addObject:mountDictionary];
this is the only place where objects are being added to the mount
array.
I checked the init function and as soon as the bonjourServices
array is
initialized witch is after the mounts array
it is assigned the same pointer as the mounts array, and from what
i can deduce
it's because the mounts array is empty
at the time, because the file it is trying to load does not exist
yet.
I'm just guessing here, I've never encountered that kind of
problem in 17 years
of programing in any language.
mind you i'm quite new to cocoa, but i did not face that problem
in any of my
other cocoa programs.
Sandro Noel.
On 17-Nov-08, at 12:04 AM, Scott Ribe wrote:
This is a debug built, and I'm checking in the code where mounts
is
being assigned objects
Which, if I recall correctly, is before bonjourServices is
allocated. What
do you think the problem is?
--Scott Ribe
[EMAIL PROTECTED]
http://www.killerbytes.com/
(303) 722-0567 voice
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Re: Two arrays sharing the same adress space.
On Sun, Nov 16, 2008 at 11:52 PM, Sandro Noel [EMAIL PROTECTED] wrote: as it turns out. with the bug fixed the mounts array is left null because the file does not exist yet. so further in the program is i try to add to the array, nothing happens. and if i try mounts = [[NSMutableArray alloc] init]; only the two arrays get the same pointer. Well, then what's happening is obvious. initWithContentsOfFile: fails because the file doesn't exist, so it performs cleanup (aka, call release) and returns null. Your next alloc then just happens to grab the same memory block. So two things to learn from this: 1) never call the init* methods twice on the same object. 2) always use the value returned from an init* method. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Two arrays sharing the same adress space.
On Mon, Nov 17, 2008 at 1:03 AM, Stephen J. Butler [EMAIL PROTECTED] wrote: 2) always use the value returned from an init* method. This isn't strictly necessary. If you need a singleton object that lives for the duration of your app, for example, there's no reason you can't just alloc/init one and let it go (unless, of course, you're using garbage collection, in which case it might matter). I can't imagine a likely scenario for this outside of misapplication of an idiom, but that doesn't make it illegal to ignore the return value of -init. --Kyle Sluder ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
NSTokenField fails to tokenize with mixed text
Hi list,
I'm writing an Automator action that will allow users to insert
properties of the input object into a format string to produce new
strings. So, for example, if the input to the action is a list of
iTunes tracks, the user can generate filenames of the pattern
«artist» - «album» - «name».mp3. The logical choice for the UI is
an NSTokenField, in which certain tokens are displayed as plain text,
while others are displayed as default tokens.
Unfortunately, the only way to determine the represented object for a
token is by examining the editing string, so the only way to tell if a
user's input is a token is by some form of sentinel -- I have chosen @
for now because it's simple. So when the user enters text and hits
Return, the NSTokenField sends its delegate
-tokenField:representedObjectForEditingString:, which just returns the
token as-is to avoid the whitespace-chomping behavior on 10.5.2+.
Then the delegate gets -tokenField:styleForRepresentedObject:, which
just does the following:
-(NSTokenStyle)tokenField:(NSTokenField *)tokenField
styleForRepresentedObject:(NSString *)representedObject {
if([representedObject hasPrefix:@@])
return NSDefaultTokenStyle;
else
return NSPlainTextTokenStyle;
}
Now, if a user's first token is plain text (does not begin with @),
the user can't enter any more tokens, because the NSTokenField doesn't
see the @ as part of a new token. This happens even if the user
explicitly hits the Return key to tokenize the plain text input they
have already entered. What's worse is that I must include the @
character in the editing representation, and if the user deletes it
(which is easy to do because it's part of the selection when the user
double-clicks a token to edit it), it becomes part of the plain text
in the field with no way to convert it back into a token.
Does anyone have a solution to this issue?
Thanks,
--Kyle Sluder
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Writing a more usable AppleEvent logger
Hi I've been working with AppleEvents and discovering their internals by setting the following in the terminal export AEDebugSends=1; export AEDebugReceives=1 What I'd like to be able to do is observe apple events exactly like this tool but format them into an NSDictionary so they can be used to easily build complex events. Since the above tool observes events, it must be possible, but how would I capture these events in my own tool? Is this something that needs to be a kernel extension? Or is there a higher level way to do it? ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
How to implement float min(float x, ...) ?
I apologize, this is plain old C, not Cocoa-specific question, but the fastest way to get the answer. I want to create a function that finds the minimum out of a variable-length list of simple float arguments. In other words, I want this function: float min(float x, ...); Can anyone suggest the implementation? I have read this: http://developer.apple.com/qa/qa2005/qa1405.html but it seems to address arguments of type id, not sure it will work for simple integral types like float. Thanks! ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: How to implement float min(float x, ...) ?
On 16 Nov 08, at 23:38, Oleg Krupnov wrote: I apologize, this is plain old C, not Cocoa-specific question, but the fastest way to get the answer. I want to create a function that finds the minimum out of a variable-length list of simple float arguments. In other words, I want this function: float min(float x, ...); Can anyone suggest the implementation? It's not possible. There's no way to determine the length of an argument list - you need either a delimiter, or an extra argument to signal the number of arguments. See 'man stdarg' for what you've got, and what it can do. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
