Custom NSDocument class will not save to file
I'm certain this is a trivial error on my part, but my custom document class
will not write the file to the local filesystem. I have several other files
which I can write, and I can write the content when I use an NSString to encode
the text first. But once I init my own document, setup the attributedText and
try to writeToURL: or saveToURL: phht!
"File could not be saved because the specified format is not supported."
This is the passage in my app delegate which drives the save operation in
response to a web page being loaded into a webView:
NSError * error = nil;
self.htmlText = [[NSMutableAttributedString alloc] initWithString:
html];
WebHistoryItem * item = [[webview backForwardList] currentItem];
if( ! [history containsObject:item]) {
[history addObject:item];
}
NSString * urlString = [webview mainFrameURL];
NSString * filename = nil;
if( ! [htmlList itemWithTitle:urlString] )
{
[self configureWorkingSiteFolders:urlString];
if(nil==filename)
{
if( [[[NSURL URLWithString:urlString] relativePath]
isEqualToString:@"/"])
{
filename = [[@""
stringByAppendingPathComponent:@"index"]
stringByAppendingPathExtension:@"html"];
}
else {
filename = [urlString lastPathComponent];
}
}
// instantiate htmlDocument
RSSHTMLDocument * htmlDocument = [[RSSHTMLDocument alloc] init];
[htmlDocument readFromURL:[NSURL URLWithString:urlString]
ofType:NSHTMLTextDocumentType error:&error];
[htmlDocument setTitle:[webview mainFrameTitle]];
NSURL * fileURL = NSUserDefaults standardUserDefaults]
URLForKey:kRSSProjectDirectoryURL]
URLByAppendingPathComponent:@"index"
isDirectory:NO]
URLByAppendingPathExtension:@"html"];
[htmlDocument saveToURL:fileURL ofType:NSHTMLTextDocumentType
forSaveOperation:NSSaveOperation error:&error ];
if( error ) {
[self presentError:error];
error = nil;
}
[htmlList addItemWithTitle:filename];
}
And here is the custom saveToURL: implementation:
- (BOOL) saveToURL:(NSURL *)url ofType:(NSString *)typeName
forSaveOperation:(NSSaveOperationType)saveOperation
error:(NSError **)outError {
BOOL saveSuccess = NO;
NSString * page = @"";
NSData * data = [attributedText dataFromRange:NSMakeRange(0,
[attributedText length]) documentAttributes:nil error:outError];
if( outError ) {
[NSApp presentError:*outError];
outError = nil;
}
if(!filename) {
filename = [@"unnamed-file"
stringByAppendingPathExtension:@"html"];
}
if(data) {
page = [[NSString alloc] initWithData:data
encoding:NSUTF8StringEncoding];
NSLog(@"%@ [%04d] %@ %@",[self className],__LINE__,
NSStringFromSelector(_cmd),page);
[page writeToURL:[[[NSUserDefaults standardUserDefaults]
URLForKey:kRSSCSSDirectoryURL]
URLByAppendingPathComponent:filename
isDirectory:NO]
atomically:YES encoding:NSUTF8StringEncoding
error:outError];
if( outError ) {
[NSApp presentError:*outError];
outError = nil;
}
saveSuccess = YES;
}
return saveSuccess;
}
My question I suppose is how do I get saveToURL: to write a plaintext version
of the contents of my class?
TIA,
Erik
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NSRuleEditor templates?
Hello list, Forgive me if this has been asked and answered, but what does one do in XC4.2 to create the requisite rule editor templates? I find nothing useful in the docs on this topic, and the only example code used IB 3.0 to do this task. Help? Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Is NSRuleEditor worth the learning curve?
Hello list folks, I'm struggling with the abstraction and sketchy documentation that surround NSRuleEditor. I feel a need to know that the effort is worthwhile, versus cobbling together something in a table or outline view instead. The domain I am working in really fits well within the structured rule editor model. I have many lists of finite scope which have an inherent hierarchy and each choice made implies filters for the remaining options. But I am really confused by the highly flexible model of the rule editor. The toughest part right now is that I am unable to see how the NSRuleEditor instance populates a given row, based on having received either a stringValue, a menuItem or a control/view. Where in all of this have I the opportunity to establish the layout and orientation of the various widgets for a given row? One example I have found (NibBasedSpotlightSearcher.xcodeproj - circa 2006) presents a window in the nib which holds clusters of related controls in a single view. I'm doing the gasping guppy trying to see where in the code those individual controls are addressed, loaded and applied. Has anyone got a nakedly simple example of a minimalist use of the NSRuleEditor they could point me to? Cheers, Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Window/Controller, View/Controller, View ?
Hello list, Seeking clarity about the display hierarchy: I have an application for a form which would have several variant sections, the exact configuration of which would be established in context at run time. I'm thinking to setup the variants as views, then swap them in using a (?) ViewController. Or sh/would there be a ViewController per view, and the swapping being directed from the p.o.v. of the Window or a WindowController? Clearly I have more reading to do. Would anyone care to give me a gentle shove in the right general direction ? Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Window/Controller, View/Controller, View ?
Fritz, Where would that be introduced into the hierarchy ? As the File Owner of the View ? Or as an ObjectController added into the View ? Are you suggesting substitution or addition to the tree. Erik On 1 February 2012 09:00, Fritz Anderson wrote: > On 31 Jan 2012, at 4:34 PM, Quincey Morris wrote: > > > It's often convenient to subclass the view controller for a particular > view, so that the objects in the view can use the view controller as its … > um … controller. This view controller itself may well end up using the > window controller as its … er … controlling controller. > > Bindings can be your friend here. In simple cases, having an > NSObjectController link between controls and .representedObject can do a > lot for you. > >— F > > -- -- Erik Stainsby Time Dwarf, Experience Engineer RoaringSky Software ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Addressing handlers in the First Responder list of another window ?
Hello list, I have a context menu in one window (A) from which I need to dispatch to another (B) window's First Responder list. Do I need to bring in a reference to window B (or it's controller) into the nib/code of window A ? This seems to go against loose coupling practices, no? Or should this sort of communication be handled using NSNotificationCenter services? Advice? -- Erik Stainsby Experience Engineer RoaringSky Software ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
NSTextField recieves string but does not display it?
I am perplexed.
I have two windows. A is the source, B is the destination. A context menu
action in A sets a string value on a message. The message arrives in window B,
in a view which sets the stringValue of an NSTextField. I then read the
stringValue back and echo it via NSLog() to ensure it arrived. All well and
good. However, for some reason the NSTextField does not display the new value.
Urk?!
- (IBAction) setActionSelectorString:(NSString*)nodeSelector {
NSLog(@"%s- [%04d] %@", __PRETTY_FUNCTION__, __LINE__, nodeSelector);
if( nodeSelector != nil ) {
[[[self view] window] makeMainWindow];
[actionSelector setStringValue: nodeSelector];
[[self view] setNeedsDisplay:YES];
NSLog(@"%s- [%04d] %@", __PRETTY_FUNCTION__, __LINE__,
[actionSelector stringValue]);
}
}
Both NSLog stmts return the expected value.
What have I done wrong/not done ?
- Erik
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Re: NSTextField recieves string but does not display it?
On 2012-02-04, at 8:38 PM, Quincey Morris wrote:
> This is all very code-smelly.
Here is a longer and more complete explanation of the circumstances.
MainMenu.xib
web browser window (A)
object references to App Delegate, Web Delegate and Rule Editor (WC)
The web delegate implements the following UIDelegate method:
- (NSArray *)webView:(WebView *)sender contextMenuItemsForElement:(NSDictionary
*)element
defaultMenuItems:(NSArray *)defaultMenuItems {
// - (NSString*) selectorForDOMNode:(DOMNode*)node;
// returns the CSS selector - not an Obj-C selector
NSString * nodeSelector = [self selectorForDOMNode:[element
objectForKey:WebElementDOMNodeKey]];
NSMenuItem * item1 = [[NSMenuItem alloc] initWithTitle:@"Set Action
selector"
action:@selector(quickSetActionSelector:)
keyEquivalent:@""];
return [NSArray arrayWithObjects:item1,nil];// there will be more
menu cases later
}
=
The web browser instantiates a subclassed WebView which declares & implements:
@interface RSSWebView : WebView
@property (retain) IBOutlet RSSRuleEditorController * ruleEditor;
- (IBAction) quickSetActionSelector:(id)sender;
@end
@implementation RSSWebView
@synthesize ruleEditor;
- (IBAction) quickSetActionSelector:(id)sender {
NSString * nodeSelector = [sender respresentedObject];
if( nodeSelector != nil) {
[ruleEditor setActionSelectorStringValue:nodeSelector];
}
}
@end
The Rule Editor is a WindowController initialized in the AppDelegate:
- (void) applicationWillFinishLaunching:(NSNotification *)notification {
NSLog(@"%s- [%04d] %@", __PRETTY_FUNCTION__, __LINE__, @"");
// this is a secondary window
editorController = [[RSSRuleEditorController alloc] init];
[[editorController window] makeKeyAndOrderFront:self];
}
The RSSWebView ruleEditor is connected to this editorController in IB.
The RUule Editor implements this method:
- (void) setActionSelectorStringValue:(NSString*)string {
// string is the nodeSelector
[[actionForms objectAtIndex:1] setActionSelectorString:string];
}
The class RSSRuleEditorController : NSWindowController employs view swapping.
RSSRuleEditorController has a mutable array holding a collection of view
controllers,
which inherit from RSSEditorForm : NSViewController
The views which are owned by the members of the collection are input forms.
The test case is RSSActionForm : RSSEditorForm
This view currently hosts a single input field: NSTextField * actionSelector.
@interface RSSActionForm : RSSEditorForm
@property (retain) IBOutlet NSTextField * actionSelector;
- (void) setActionSelectorString:(NSString*) string;
@end
@implementation RSSActionForm
@synthesize actionSelector;
- (void) setActionSelectorString:(NSString*)nodeSelector {
NSLog(@"%s- [%04d] %@", __PRETTY_FUNCTION__, __LINE__, nodeSelector);
// Again, this is the CSS selector, not an Obj-C selector
if( nodeSelector != nil ) {
[[[self view] window] makeMainWindow];
[actionSelector setStringValue: nodeSelector];
[[self view] setNeedsDisplay:YES];
NSLog(@"%s- [%04d] %@", __PRETTY_FUNCTION__, __LINE__,
[actionSelector stringValue]);
}
}
@end
To reiterate my problem, although the string which is set in this last method -
setActionSelectorString has the correct value,
and reading it back after setting returrns that same value, the NSTextField *
actionSelector (linked in IB) does not reflect the value in the UI.
Until I tried having teh ActionForm view controller call [[[self view] window]
makeMainWindow] the call to [actionSelector setStringValue:nodeSelector] had no
effect. This is what leads me to wonder if there is still something I need to
do vis-à-vis the window 1 / window 2 relationship that I have not yet
understood.
I remain perplexed.
~ Erik
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Framework installation pain in XC4.2
Is it commonplace to have to copy the compiled output of one's own framework into a deployment location ? I'm also not finding where to setup a search path for such custom framework once placed. Is there a more appropriate list to be asking for this ? And of course the documentation I can find on this topic is out of date and refers to all manner of XC3 features which seem not to have a corollary in XC4… I'm trying to set up a lightweight custom framework against which I can hang a plugin architecture ~ dynamic bundle loading. Where would you place such a framework ? I have been targeting ~/Library/Frameworks for the moment, but suspect there is a scheme which would allow this to all be contained with the Application Support context for my app. Clues ? ~ Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
NSPopUpButton not accepting setMenu: from WindowController code
[myPUBtn setMenu:menu] accepted in MyAppDelegate but does not accept
setMenu:menu when relocated to an NSWindowController. I'm thinking there is
something I have missed about the loading sequence.
When all the code resided in MyAppDelegate I could load a list of plugins,
build a menu item for each, and call setMenu:menu on the instance of
NSPopUpButton connected in IB to a reference in the delegate. The appDelegate
was getting messy so I refactored this window out to a NSWindowController, call
-[controller initWithWindowNibName:owner:]
and remade all the connections. Several times to be sure.
The passage of code which builds out the menu items successfully executes.
NSLog(@"%@",menu) shows the content expected.
NSLog(@"%@",[myPUBtn menu]) logs (null).
When the popup menu was being successfully populated from the AppDelegate I was
running the code which does this work from -(void)
applicationWillFinishLaunching; Now that it resides in the WC I have tried
variously: -windowDidLoad, -windowWillLoad, -awakeFromNib (not invoked), and
even tacking it directly onto the end of initWithWindowNibName:owner: The
results are the same: the log shows the menu built and the setMenu: statement
fires, but the target control does not receive the new menu.
My assumption at the moment is that it is a sequence of loading issue: that the
popup button isn't present yet (?) when
the menu hand off fires.
Here's the relevant selection from the code:
~ Erik
@interface RSTrixieEditor : NSWindowController
@property (retain) IBOutlet NSPopUpButton * actionMenu;
@end
@implementation RSTrixieEditor
@synthesize actionMenu; // popup button
- (id)initWithWindowNibName:(NSString *)windowNibName owner:(id)owner {
self = [super initWithWindowNibName:windowNibName owner:owner];
if (self) {
[self setActionPlugins:[self loadPluginsWithPrefix:@"Action"]];
}
return self;
}
- (void)windowDidLoad
{
[super windowDidLoad];
NSMenu * menu = [[NSMenu alloc] init];
for(RSTrixiePlugin * p in actionPlugins)
{
NSMenuItem * menuItem = [[NSMenuItem alloc] initWithTitle:[p
name] action:@selector(showActionPlugin:) keyEquivalent:@""];
[menuItem setRepresentedObject:p];
[menu addItem:menuItem];
NSLog(@"%s- [%04d] added action menu item for plugin: %@",
__PRETTY_FUNCTION__, __LINE__, [p name]);
}
[actionMenu setMenu:menu];
NSLog(@"%s- [%04d] %@", __PRETTY_FUNCTION__, __LINE__, menu);
// shows description of populated menu
NSLog(@"%s- [%04d] %lu", __PRETTY_FUNCTION__, __LINE__, [[menu
itemArray] count]); // returns 2
NSLog(@"%s- [%04d] %lu", __PRETTY_FUNCTION__, __LINE__, [[[actionMenu
menu] itemArray] count]); // returns 2
NSLog(@"%s- [%04d] %@", __PRETTY_FUNCTION__, __LINE__, [actionMenu
menu]); // (null)
[actionMenu setNeedsDisplay:YES]; // on a whim
}
[…]
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Re: NSPopUpButton not accepting setMenu: from WindowController code
Michael gave me the clue. I still had the window's owner as AppDelegate. When I
corrected that to the WindowController all is well. Details details.
~ Erik
On 2012-02-18, at 9:55 AM, Keary Suska wrote:
> On Feb 18, 2012, at 8:37 AM, Erik Stainsby wrote:
>
>>
>> [myPUBtn setMenu:menu] accepted in MyAppDelegate but does not accept
>> setMenu:menu when relocated to an NSWindowController. I'm thinking there is
>> something I have missed about the loading sequence.
>
> When you call this method, what object do you pass as "owner"? Is the outlet
> connected from the File's Owner, or an object in the same xib?
>
>> - (id)initWithWindowNibName:(NSString *)windowNibName owner:(id)owner {
>> self = [super initWithWindowNibName:windowNibName owner:owner];
>> if (self) {
>> [self setActionPlugins:[self loadPluginsWithPrefix:@"Action"]];
>> }
>> return self;
>> }
>>
>>
>> - (void)windowDidLoad
>> {
>> [super windowDidLoad];
>> NSMenu * menu = [[NSMenu alloc] init];
>>
>> for(RSTrixiePlugin * p in actionPlugins)
>> {
>> NSMenuItem * menuItem = [[NSMenuItem alloc] initWithTitle:[p
>> name] action:@selector(showActionPlugin:) keyEquivalent:@""];
>> [menuItem setRepresentedObject:p];
>> [menu addItem:menuItem];
>> NSLog(@"%s- [%04d] added action menu item for plugin: %@",
>> __PRETTY_FUNCTION__, __LINE__, [p name]);
>> }
>> [actionMenu setMenu:menu];
>> NSLog(@"%s- [%04d] %@", __PRETTY_FUNCTION__, __LINE__, menu);
>> // shows description of populated menu
>> NSLog(@"%s- [%04d] %lu", __PRETTY_FUNCTION__, __LINE__, [[menu
>> itemArray] count]); // returns 2
>> NSLog(@"%s- [%04d] %lu", __PRETTY_FUNCTION__, __LINE__, [[[actionMenu
>> menu] itemArray] count]); // returns 2
>> NSLog(@"%s- [%04d] %@", __PRETTY_FUNCTION__, __LINE__, [actionMenu
>> menu]); // (null)
>> [actionMenu setNeedsDisplay:YES]; // on a whim
>> }
>>
>>
>> […]
>>
>>
>>
>> ___
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>
>
> Keary Suska
> Esoteritech, Inc.
> "Demystifying technology for your home or business"
>
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Re: [Obj-C] if (self) vs. if (self != nil)
And what does the list feel about the following form (which I think I picked up from a Wil Shipley article): if(nil != (self = [super init])) Myself I find it elegantly brief and imminently readable. Time Dwarf, Roaring Guy On 2012-02-24, at 9:30 AM, David Duncan wrote: > On Feb 24, 2012, at 6:50 AM, Oleg Krupnov wrote: > >> So basically, nil is of type "void*", so the expression "self != nil" >> compares two pointers and the result is "boolean", which is perfect >> for testing in the "if" statement. But the "self" alone is of type >> "pointer" and so when it is tested by the "if" statement, it's >> implicitly cast to the type "boolean". > > In C any non-zero value is 'true', as such if (self) vs if (self != nil) is a > pure stylistic choice, neither is more correct than the other in terms of the > language itself. > -- > David Duncan > > > ___ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
How to: NSTableView redisplay
Learning a new language makes me humble.
NSTableView - I have an NSTableViewDataSource with an array holding the objects
to be represented in the table.
I add a new object to the array, I call [table reloadData]; and I follow that
with [table setNeedsDisplay:YES];
Bupkiss. Nada. However, when I tap a column header to resort the view, presto.
Content.
What am I missing ?
- (void) appendRule:(NSNotification *) note {
RSTrixieRule * rule = [note object];
[_rules addObject: rule];
[table reloadData];
[table setNeedsDisplay:YES];
}
Erik Stainsby
erik.stain...@roaringsky.ca
-
Consistently place constants on the LHS of an expression: you cannot
accidentally assign when you meant to compare.
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Re: How to: NSTableView redisplay
My code:
#import
#import
@interface RSTrixieTable : NSWindowController < NSTableViewDataSource >
@property (retain) IBOutlet NSMutableArray * rules;
@property (retain) IBOutlet NSTableView * table;
- (void) appendRule:(NSNotification*)note;
- (NSInteger) numberOfRowsInTableView:(NSTableView *)aTableView;
@end
#import "RSTrixieTable.h"
@interface RSTrixieTable ()
@end
@implementation RSTrixieTable
@synthesize rules = _rules;
@synthesize table;
- (id)init
{
self = [super initWithWindowNibName:@"RSTrixieTable" owner:self];
if (self) {
NSLog(@"%s- [%04d] %@", __PRETTY_FUNCTION__, __LINE__, @"");
_rules = [[NSMutableArray alloc] init];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(appendRule:) name:nnRSTrixieStoreNewRuleNotification
object:nil];
}
return self;
}
- (void)windowDidLoad
{
[super windowDidLoad];
}
- (NSInteger)numberOfRowsInTableView:(NSTableView *)aTableView {
NSInteger ret = 0;
if([_rules count]) ret = [_rules count];
return ret;
}
- (void) appendRule:(NSNotification*)note {
RSTrixieRule * rule = [note object];
[_rules addObject: rule];
[table reloadData];
[table setNeedsDisplay:YES];
}
@end
Erik Stainsby
erik.stain...@roaringsky.ca
-
Consistently place constants on the LHS of an expression: you cannot
accidentally assign when you meant to compare.
On 2012-02-28, at 9:50 PM, Brian Lambert wrote:
> Post your code.
>
> On Tue, Feb 28, 2012 at 8:39 PM, Erik Stainsby
> wrote:
> Learning a new language makes me humble.
>
> NSTableView - I have an NSTableViewDataSource with an array holding the
> objects to be represented in the table.
> I add a new object to the array, I call [table reloadData]; and I follow that
> with [table setNeedsDisplay:YES];
> Bupkiss. Nada. However, when I tap a column header to resort the view,
> presto. Content.
>
> What am I missing ?
>
> - (void) appendRule:(NSNotification *) note {
>RSTrixieRule * rule = [note object];
>[_rules addObject: rule];
>[table reloadData];
>[table setNeedsDisplay:YES];
> }
>
>
>
>
> Erik Stainsby
> erik.stain...@roaringsky.ca
> -
> Consistently place constants on the LHS of an expression: you cannot
> accidentally assign when you meant to compare.
>
>
>
>
>
> ___
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>
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Re: How to: NSTableView redisplay
The is connected to the nib. The is not instantiated elsewhere. Content does show up after the table column headers are manipulated so the column defs are reasonable. I'll give Jens' suggestion a try but I have only seen the form below cited. I'll remove the extraneous setNeedsDisplay: call; Erik Stainsby erik.stain...@roaringsky.ca - Consistently place constants on the LHS of an expression: you cannot accidentally assign when you meant to compare. On 2012-02-29, at 12:25 AM, Graham Cox wrote: > > On 29/02/2012, at 5:47 PM, Jens Alfke wrote: > >> >> On Feb 28, 2012, at 8:39 PM, Erik Stainsby wrote: >> >>> [_rules addObject: rule]; >>> [table reloadData]; >>> [table setNeedsDisplay:YES]; >> >> IIRC you need to call -noteNumberOfRowsChanged instead, if you've change the >> number of rows. -reloadData is just for reloading the existing rows. > > > That's news to me - I've always just called -reloadData. I believe it queries > the rowCount, and then marks as needing redisplay those rows that are > visible. This might be less optimal that reloading only the changed rows, but > as far as I know, this has always worked fine for me. > > Erik's code looks OK, but we don't know that the outlet is actually > pointing to anything, or that it's pointing to the correct thing. That's what > I'd check first - set a breakpoint in appendRule: and have a look at it. > > --Graham > > ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: How to: NSTableView redisplay
Supplemental: the table only renders once. However many objects are in the _rules array are presented when any column header is activated. Then the table freezes up. Additionally items can be added to the array; nothing more happens with the table view. Erik Stainsby erik.stain...@roaringsky.ca - Consistently place constants on the LHS of an expression: you cannot accidentally assign when you meant to compare. On 2012-02-29, at 12:25 AM, Graham Cox wrote: > > On 29/02/2012, at 5:47 PM, Jens Alfke wrote: > >> >> On Feb 28, 2012, at 8:39 PM, Erik Stainsby wrote: >> >>> [_rules addObject: rule]; >>> [table reloadData]; >>> [table setNeedsDisplay:YES]; >> >> IIRC you need to call -noteNumberOfRowsChanged instead, if you've change the >> number of rows. -reloadData is just for reloading the existing rows. > > > That's news to me - I've always just called -reloadData. I believe it queries > the rowCount, and then marks as needing redisplay those rows that are > visible. This might be less optimal that reloading only the changed rows, but > as far as I know, this has always worked fine for me. > > Erik's code looks OK, but we don't know that the outlet is actually > pointing to anything, or that it's pointing to the correct thing. That's what > I'd check first - set a breakpoint in appendRule: and have a look at it. > > --Graham > > ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: NSURLRequests and Firewalls
I think generally a firewall ought to return an http status code of 302 redirected which you could probably key off for a login handler. Time Dwarf, Roaring Guy On 2012-03-05, at 11:21 AM, Alex Zavatone wrote: > I just found out why some JSON parsing was failing, the data returned from > the NSURLRequest was the HTML for our firewall authentication page. > > Is there an established practice or set of documents on the iOS Dev Lib that > shows how to handle this? I scanned the sample code and found nothing. > Searching teh googles for NSURL and firewall doesn't return much either. > > Thanks in advance. > - Alex Zavatone > > ___ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
NSTableView update basics
I have a tableView which will accept one new row and updates to that row
succeed. Subsequent application of the same process does add new rowData
dictionary objects to the tableData model (NSMutableArray) but the tableView
will not display these additions.
A button on the UI is wired up to - (IBAction) addTableItem:(id)sender; and
pops in the first row just fine. NSLog() messages have revealed that additional
clicks on the button add new rows to the tableData array, but the UI does not
respond to these events.
I'm pretty sure I'm missing something pretty basic here.
@interface MyClass : NSViewController < NSTableViewDataSource,
NSTableViewDelegate >
@property (retain) IBOutlet NSTableView * tableView;
@property (retain) IBOutlet NSMutableArray * tableData;
- (IBAction) addTableItem:(id)sender;
@end
@implementation MyClass
@synthesize tableView;
@synthesize tableData;
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
tableData = [NSMutableArray array];
}
return self;
}
- (NSInteger) numberOfRowsInTableView:(NSTableView *)tableView {
return [tableData count] || 0;
}
- (id) tableView:(NSTableView *)tableView
objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row {
NSDictionary * rowData = [tableData objectAtIndex:row];
return [rowData valueForKey:[tableColumn identifier]];
}
- (void)tableView:(NSTableView *)aTableView setObjectValue:(id)anObject
forTableColumn:(NSTableColumn *)aTableColumn row:(NSInteger)rowIndex {
NSMutableDictionary * rowData = [[tableData objectAtIndex:rowIndex]
mutableCopy];
[rowData setValue:anObject forKey:[aTableColumn identifier]];
[tableData replaceObjectAtIndex:rowIndex withObject:rowData];
[tableView reloadData];
}
- (IBAction) addTableItem:(id)sender {
[tableData addObject:[NSDictionary
dictionaryWithObjectsAndKeys:@"prop",@"property",@"val",@"value",nil]];
[tableView reloadData];
}
@end
Erik Stainsby
erik.stain...@roaringsky.ca
-
Consistently place constants on the LHS of an expression: you cannot
accidentally assign when you meant to compare.
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Re: NSTableView update basics
A poorly thought out attempt to return the count or zero (I was writing a lot
of perl the day I coded this).
I recall reading that there is a race condition when *view*-based tables are
loaded from nib. This does not obtain in my current case: this is a cell based
table.
I removed the errant || 0 and the table is behaving correctly. Thanks for
proofing my code.
Erik Stainsby
erik.stain...@roaringsky.ca
-
Consistently place constants on the LHS of an expression: you cannot
accidentally assign when you meant to compare.
On 2012-03-09, at 1:38 AM, Graham Cox wrote:
>
> On 09/03/2012, at 4:42 PM, Erik Stainsby wrote:
>
>> - (NSInteger) numberOfRowsInTableView:(NSTableView *)tableView {
>> return [tableData count] || 0;
>> }
>
>
> What is the intention here? You are doing a boolean OR with the value zero,
> which will promote (in fact demote) the return type to a BOOL. Whatever the
> number of items, it will only ever return YES, or 1.
>
> --Graham
>
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Re: Uncaught Exception: NSUnknownKeyException
You can specify them in IB Don. In the tree of XIB elements (under the Objects header) locate and select the Table Column element. I the Identity Inspector the second heading reads User Interface Item Identifier. Set this to the column id you wish to use in your code (the variable name perhaps). Erik Stainsby erik.stain...@roaringsky.ca - Consistently place constants on the LHS of an expression: you cannot accidentally assign when you meant to compare. On 2012-03-09, at 1:32 PM, Donald Hall wrote: > Thanks to Mike and Graham for the replies. > > I think I figured out where the problem was. I am putting data into an > NSTableView, with one ivar from the Action class in each column. My original > project was so old that it used nibs instead of xibs, so I redid them all. In > the new Xcode there doesn't seem to be a way to specify the column identifier > for the xib in the Attributes Inspector, and I forgot about this, so each > column has an identifier of nil or null. I believe this explains the error > message. Here is the top part of the stack trace: > > 0 CoreFoundation 0x918ded87 __raiseError + 231 > 1 libobjc.A.dylib 0x9b7f1149 objc_exception_throw > + 155 > 2 Foundation 0x9548bd78 > -[NSObject(NSKeyValueCoding) valueForUndefinedKey:] + 285 > 3 Foundation 0x953b1b97 > _NSGetUsingKeyValueGetter + 39 > 4 Foundation 0x953b1b68 > -[NSObject(NSKeyValueCoding) valueForKey:] + 406 > 5 Script Timer0x00014991 -[MyDocument > tableView:objectValueForTableColumn:row:] + 3249 > 6 AppKit 0x907c5c71 -[NSTableView > _dataSourceValueForColumn:row:] + 69 > 7 AppKit 0x907c55e7 -[NSTableView > preparedCellAtColumn:row:] + 420 > 8 AppKit 0x907d6c6c -[NSTableView > _drawContentsAtRow:column:withCellFrame:] + 50 > > It looks like I'll either have to specify the identifiers in code or > implement the new way to handle table columns using bindings. I will study > the "NSTableViewBinding" sample project. > > Thanks again, Don > > On 2012-03-09, at 2:35 AM, Graham Cox wrote: > >> >> On 09/03/2012, at 5:57 PM, Donald Hall wrote: >> >>> s class is not key value coding-compliant for the key (null). >> >> >> The key is nil (null). So the problem is where the key is coming from, not >> the operation of the Action class. >> >> --Graham > > > ___ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
NSPopover subview positioning issue
I've got a popover controller which loads one of several subviews ('panels'
below) as it's content. I have properties on the controller which expose the
current panel's height and width. The popover resizes correctly but fails to
place the panel correctly. If the replaceSubview:with: is called before the
resize (as illustrated) the panel appears shifted down by half it's height,
leaving half of the panel content inaccessible. If the -replaceSubview:with:
call is placed after the resize, the inserted panel is half invisible off the
top edge of the popover.
Does anyone understand what on earth is happening? And what I can do about it?
@implementation RSPanelPopoverController
@synthesize popover = _popover;
@synthesize box = _box;
@synthesize activePanelWidth;
@synthesize activePanelHeight;
- (void) showPanelPopover:(NSView*)locator activePanel:(NSView*)panel {
[[self view] replaceSubview:[self box] with:panel];
[self setActivePanelWidth: panel.frame.size.width];
[self setActivePanelHeight: panel.frame.size.height];
[[self popover] showRelativeToRect:[locator bounds] ofView:locator
preferredEdge:NSMinYEdge];
}
Erik Stainsby
erik.stain...@roaringsky.ca
-
Consistently place constants on the LHS of an expression: you cannot
accidentally assign when you meant to compare.
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Re: NSPopover subview positioning issue
Hi Fritz,
The popover controller is a standard NSViewController which is also acting as
the delegate for the popovers.
I guess I ought to have included the header as well before:
#import
@interface RSPanelPopoverController : NSViewController < NSPopoverDelegate >
@property (weak) IBOutlet NSPopover * popover;
@property (weak) IBOutlet NSBox * box;
@property (assign) NSInteger activePanelWidth;
@property (assign) NSInteger activePanelHeight;
- (void) showPanelPopover:(NSView*)locator activePanel:(NSView*)panel;
@end
I have modified the showPanelPopover: method thus:
- (void) showPanelPopover:(NSView*)locator activePanel:(NSView*)panel {
[self setActivePanelWidth: panel.frame.size.width];
[self setActivePanelHeight: panel.frame.size.height];
[panel setFrameOrigin: self.view.bounds.origin];// new
line
[[self view] replaceSubview:[self box] with:panel];
[[self popover] showRelativeToRect:[locator bounds] ofView:locator
preferredEdge:NSMinYEdge];
}
with the effect that the view is correctly placed within the popover ON SECOND
VIEWING. The initial load is still rendered off-set by half the vertical
dimension.
Erik Stainsby
erik.stain...@roaringsky.ca
-
Consistently place constants on the LHS of an expression: you cannot
accidentally assign when you meant to compare.
On 2012-03-17, at 1:10 PM, Fritz Anderson wrote:
> On 17 Mar 2012, at 2:48 PM, Erik Stainsby wrote:
>
>> I've got a popover controller which loads one of several subviews ('panels'
>> below) as it's content. I have properties on the controller which expose the
>> current panel's height and width. The popover resizes correctly but fails
>> to place the panel correctly. If the replaceSubview:with: is called before
>> the resize (as illustrated) the panel appears shifted down by half it's
>> height, leaving half of the panel content inaccessible. If the
>> -replaceSubview:with: call is placed after the resize, the inserted panel is
>> half invisible off the top edge of the popover.
>>
>> Does anyone understand what on earth is happening? And what I can do about
>> it?
>>
>>
>> @implementation RSPanelPopoverController
>>
>> @synthesize popover = _popover;
>> @synthesize box = _box;
>> @synthesize activePanelWidth;
>> @synthesize activePanelHeight;
>>
>> - (void) showPanelPopover:(NSView*)locator activePanel:(NSView*)panel {
>>
>> [[self view] replaceSubview:[self box] with:panel];
>>
>> [self setActivePanelWidth: panel.frame.size.width];
>> [self setActivePanelHeight: panel.frame.size.height];
>>
>> [[self popover] showRelativeToRect:[locator bounds] ofView:locator
>> preferredEdge:NSMinYEdge];
>> }
>
> I'm not clear on a few things. It appears that the "panel" frame is offset
> one way or the other, but I don't see the frame being set, nor the panel
> being translated. You say that the order of setActivePanel…: matters, but you
> don't show that the methods (odd, but not wrong, that you don't use dot
> notation) do anything but change the value of an instance variable. If they
> actually change view geometry, you'll have to show us.
>
> What class does RSPanelPopoverController descend from?
>
> What is .box? (It appears that it can be replaced only once.) Have you logged
> the frames of .box, .view, and panel, before and after the replacement? And
> .view.bounds?
>
> — F
>
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Re: Placing Cells in an NSMatrix
Small bit if knowledge to share. The stroke of the border is drawn centred over the line of the border. So your described 4pt line would intrude 2pts into the bounded area. I'm know if that will help any with understanding the left-shifting you have observed. Erik Stainsby erik.stain...@roaringsky.ca - Consistently place constants on the LHS of an expression: you cannot accidentally assign when you meant to compare. On 2012-04-04, at 9:04 PM, Peter Teeson wrote: > On 2012-04-04, at 6:52 PM, Peter Teeson wrote: >> On 2012-04-04, at 5:02 PM, Fritz Anderson wrote: >>> On 4 Apr 2012, at 2:20 PM, Peter Teeson wrote: >>>> Given a 3 x 3 Matrix which is a sub-class of NSMatrix with Cells >>>> sub-classed from NSButton >>>> the X origins of column 0 cells seem to be 1.0 point inside the Matrix >>>> bounds. >>>> >>>> So if I want to stroke the Matrix bounds with a line width of e.g. 4.0 >>>> points >>>> it draws over the left area of the column 0 cells. >>>> >>>> Hence I would like to make sure that the origins of the cells are where I >>>> want them to be, i.e. leave enough room to stroke the Matrix bounds. >>>> >>>> I've read Matrix Programming Guide and looked at the NSMatrix and NSCell >>>> references but I do not understand which methods to use to accomplish this. >>>> >>>> Should I do this in NSCell calcDrawInfo? And then does that mean for each >>>> Cell? >>>> Surely there must be simple way to provide a frame for all the Cells inset >>>> from the bounds of the Matrix. >>>> >>>> Nor can I find a way to do this in Interface Builder. >>>> AutoLayout is checked but Automatically Resizes Cells is not. >>> >>> I read the NSMatrix class reference to say that NSMatrix enforces its frame >>> being the hull of the cells plus the intercell spacing. You won't >>> accomplish you want, in the way you propose, without fighting the framework. >>> >>> Why not embed the matrix in a view of your own? You can then draw whatever >>> you like around it. >> Thanks for your thought. >> But the strange thing is that my experiments show that there is in fact an >> spacing on the top, right, and bottom >> of the area between the cells and the matrix bounds. But not on the left >> side!! >> >> I would expect there to be equal spacing all around. I have confirmed this >> by reducing the size of the cells (setCellSize) >> and the area between the cells and the Matrix bounds adjusts appropriately >> except for the left edge. >> >> Something I do not understand is going on here that I do not find logical. >> >> Peter > In Lion there are new methods related to constraints (in NSLayoutConstraint.h > -alignmentRectForFrame and -frameForAlignmentRect) that might be applicable > to my query. > Also in XCode in the xib Size inspector for the Matrix the View section it > shows Frame Rectangle or Layout Rectangle. But changing the X value of one > changes it in the other. > Looks like I may have to override the above methods as suggested in the > reference. Anyone done this and used these and can point at example code or > more documentation? > > But these were only added in Lion so how was it done previously (if at all)? > > Peter > ___ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Responder chain inclarity
I'm having responder chain headaches. Here's my stack of objects:
RSWindow with custom - sendEvent: to capture and handle with trackingRect for
webView mouse activity.
When the user clicks I create a viewController and add the view as a subview to
the RSWindow.
The viewController provides - deleteLocator: which invokes [[self view]
removeFromSuperview].
A right click on a subview opens a context menu with two options: Edit or
Delete. Delete should remove the subview from the RSWindow.
My issue is with wiring up the menu to the NSResponder chain. When I connect
the Delete menu item to the FirstReponder action in IB the event never fires.
If I connect the Delete button directly to the viewController's deleteLocator:
action outlet the event gets hung up in the RSWindow sendEvent: else { [super
sendEvent:theEvent] } .
Here is a partial of the NSLog dump:
2012-04-15 12:57:59.705 Trixie[5098:503] -[RSAppDelegate init]- [0019]
2012-04-15 12:58:04.299 Trixie[5098:503] -[NSCarbonMenuImpl deleteLocator:]:
unrecognized selector sent to instance 0x7f837d2b22a0
2012-04-15 12:58:04.300 Trixie[5098:503] An uncaught exception was raised
2012-04-15 12:58:04.300 Trixie[5098:503] -[NSCarbonMenuImpl deleteLocator:]:
unrecognized selector sent to instance 0x7f837d2b22a0
2012-04-15 12:58:04.302 Trixie[5098:503] (
0 CoreFoundation 0x7fff93220f56
__exceptionPreprocess + 198
1 libobjc.A.dylib 0x7fff867d1d5e
objc_exception_throw + 43
2 CoreFoundation 0x7fff932ad1be -[NSObject
doesNotRecognizeSelector:] + 190
3 CoreFoundation 0x7fff9320de23
___forwarding___ + 371
4 CoreFoundation 0x7fff9320dc38
_CF_forwarding_prep_0 + 232
5 CoreFoundation 0x7fff9321070d -[NSObject
performSelector:withObject:] + 61
6 AppKit 0x7fff8ae20ffa
-[NSApplication sendAction:to:from:] + 139
7 AppKit 0x7fff8af0e323 -[NSMenuItem
_corePerformAction] + 399
8 AppKit 0x7fff8af0e05a
-[NSCarbonMenuImpl performActionWithHighlightingForItemAtIndex:] + 125
9 AppKit 0x7fff8b1ad4d4 -[NSMenu
_internalPerformActionForItemAtIndex:] + 38
10 AppKit 0x7fff8b03c1bd
-[NSCarbonMenuImpl _carbonCommandProcessEvent:handlerCallRef:] + 138
11 AppKit 0x7fff8ae87e93
NSSLMMenuEventHandler + 339
12 HIToolbox 0x7fff88564478
_ZL23DispatchEventToHandlersP14EventTargetRecP14OpaqueEventRefP14HandlerCallRec
+ 1263
13 HIToolbox 0x7fff88563a84
_ZL30SendEventToEventTargetInternalP14OpaqueEventRefP20OpaqueEventTargetRefP14HandlerCallRec
+ 446
14 HIToolbox 0x7fff8857a923
SendEventToEventTarget + 76
15 HIToolbox 0x7fff885c09c5
_ZL18SendHICommandEventjPK9HICommandjjhPKvP20OpaqueEventTargetRefS5_PP14OpaqueEventRef
+ 398
16 HIToolbox 0x7fff886a8035
SendMenuCommandWithContextAndModifiers + 56
17 HIToolbox 0x7fff886ef7a9
SendMenuItemSelectedEvent + 253
Clearly I am misunderstanding some aspect of the menu-to-Respnder chain setup.
Any thoughts?
It occurs to me I may be trying to remove the viewController from within the
viewController - a lifting-by-the-bootstraps problem ? Should I make the
RSWindow do the removal/deletion ? Or AppDelegate ?
Erik Stainsby
erik.stain...@roaringsky.ca
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Redrawing overlay views
I have a window which owns a webview over which I place buttons (in their own
subviews) where the user has clicked. However, because they are not part of
the webview's hierarchy of objects, when the window is resized the webview
content will likely reflow. I therefore need to reposition the buttons. I have
methods which annotate the DOM and which cache references to the nodes the user
has selected. I am thinking to walk the cache of nodes and redraw the button's
views at the new location of the corresponding DOM element. I am halfway
through implementing this strategy but would be interested to hear other
opinions of how this might be achieved.
Below is some of the code I have in the works which responds to the window's
windowDidResizeNotification in the windowController and instructs the webView
to walk the cache of user-selected DOM nodes. At present I cannot seem to
recall the DOM nodes from the dictionary in which the code caches them.
#import
#import
#import "RSWebView.h"
//
// this controller is both windowController and webview frameLoadDelegate
@interface RSTrixieController : NSWindowController < NSComboBoxDataSource,
NSComboBoxDelegate >
@property (retain) IBOutlet RSWebView * webview;
- (void) refreshWebviewOverlay:(NSNotification*)nota;
@end
@implementation
@synthesize webview;
- (void)windowDidLoad
{
[super windowDidLoad];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(refreshWebviewOverlay:) name:NSWindowDidResizeNotification
object:[webview window]];
}
- (void) refreshWebviewOverlay:(NSNotification*)nota {
[[self webview] repositionLocatorViews];
}
[…]
@end
Then from the webView which responds:
@implementation
@synthesize boundingBox;// trivial view which draws it's outline
@synthesize locators; // mutable dict - button-hosting views -
keyed-alike to taggedNodes
@synthesize taggedNodes;// mutable dict - DOMElements adjacent -
keyed-alike to locators
- (void) repositionLocatorViews {
// clean up
[self removeBoundingBox];
for(NSString * idtag in [taggedNodes allKeys])
{
DOMElement * node = [taggedNodes objectForKey:idtag];
RSBoundingBox * bbox = [[RSBoundingBox alloc]
initWithFrame:[node boundingBox]];
NSRect newBox = [self flipBoundingBox:[bbox frame]
fromWebView:self];
[bbox setFrame:newBox];
RSLocatorViewController * lv = [locators objectForKey:idtag];
[[lv view]setFrame: [self frameRelativeTo:bbox]];
}
}
- (NSRect) flipBoundingBox:(NSRect)htmlBox fromWebView:(WebView*)webView {
NSRect bounds = [[[webView window] contentView] bounds];
float newY = bounds.size.height - htmlBox.size.height -
htmlBox.origin.y;
return NSMakeRect(htmlBox.origin.x,newY,htmlBox.size.width,
htmlBox.size.height);
}
- (NSRect) frameRelativeTo:(RSBoundingBox*)bbox {
return NSMakeRect(bbox.frame.origin.x-20, bbox.frame.origin.y +
bbox.frame.size.height - 20, 20, 20);
}
- (void) removeBoundingBox {
if(nil != boundingBox)
{
[boundingBox removeFromSuperview];
boundingBox = nil;
}
}
[ … ]
Any thoughts and suggestions welcomed.
Erik Stainsby
erik.stain...@roaringsky.ca
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NSPopover ~ resize to match content?
I'm trying to make a popover view resize to fit the content-of-the-moment.
This is probably trivial and I have being over thinking myself into
complications.
I have three classes of information to display in turn in a popover. The user
clicks a segment control to advance and may return if she wishes. My window
xib contains the popover view and three differently sized 'client' views which
are swapped in as needed. Great, works like a charm.
However I cannot for the life of me cause the popover 'host' view to resize.
When I dump the dimensions to NSLog the outer view frame reports the correct
(resized as I specified) dims. but the popover has not been resized. The
numbers do not match the picture.
What am I missing? Some code:
- (void) showPanel:(NSView*)panel {
// guard
if(!panel) panel = actionPanel;
[self setActivePanelWidth: panel.frame.size.width];
[self setActivePanelHeight: panel.frame.size.height];
NSLog(@"%s- [%04d] %@: %0.2f", __PRETTY_FUNCTION__, __LINE__, [panel
className], panel.frame.size.height);
NSRect newFrameSize = self.view.frame;
newFrameSize.size.height = popoverHeader.frame.size.height +
activePanelHeight;
NSLog(@"%s- [%04d] %@: %0.2f", __PRETTY_FUNCTION__, __LINE__,
[self.view className], self.view.frame.size.height);
[[self view] setFrame:newFrameSize];
if( currentPanel == nil)
{
[[self view] replaceSubview:[self placeholderBox] with: panel];
}
else {
[[self view] replaceSubview:currentPanel with: panel];
}
// a custom category on NSView
[panel setFrameTopLeftPoint: popoverHeader.frame.origin];
currentPanel = panel;
[locator setCurrentPanel: panel];
[popover showRelativeToRect:[locator bounds] ofView:locator
preferredEdge:NSMaxXEdge];
}
Any help appreciated. Thanks.
Erik Stainsby
erik.stain...@roaringsky.ca
-
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Re: NSComboBox
The menu portion of a combo box is just that an NSMenu so you ought to be able to everything you can with a regular menu item. Erik On 2012-04-23, at 5:53 PM, koko wrote: > I have been spelunking all afternoon with mixed results. Some say I can put > an image and text in an NSComboBoxCell. > > Can this be done … put an image and text in an NSComboBoxCell? > > I can find no examples and would appreciate one if possible. > > -koko > > > ___ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: First Responder
I have had this happen when I have forgotten to declare my action method in the public header. Erik Stainsby erik.stain...@roaringsky.ca - On 2012-05-10, at 4:24 PM, koko wrote: > I have a menu item connected to an action in First Responder; > > The action exists in an NSView subclass. > > The subclass implements acceptsFirstResonder and return YES. > > The subclass implements validateMenuItem and return YES; > > When the menu displays the menu item is disabled (set to enabled in IB). > > Is this not the proper implementation? > > -koko > > ___ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: First Responder
Could you please paste the a copy of the method in a message? It is far easier to help you debug code which we can see than a description of something we cannot see. Erik Stainsby erik.stain...@roaringsky.ca - On 2012-05-10, at 5:07 PM, koko wrote: > > On May 10, 2012, at 6:05 PM, Erik Stainsby wrote: > >> I have had this happen when I have forgotten to declare my action method in >> the public header. > > The action is declared in the subclass header. > > ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Method Call
I think the approach you would use is to employ -[NSWorkspace] to launch the other app on your behalf. Sent from my iPad On 2012-06-06, at 1:58 PM, koko wrote: > Is it possible to call a method in an app that is not running causing it to > load? > > -koko > > ___ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Lion permission problems
So if I understand your pattern, you are managing a single "product PDF" which is constructed by your app based upon metadata which describes the specific component PDFs etc that the user has chosen. Those component PDFs reside elsewhere than within your app space, correct? On 2012-06-23, at 1:26 PM, Matthew Weinstein wrote: > Unfortunately that undoes the automation idea. The time saving here is that > by just re-saving the pdf, the app when the document is opened recombines it > based upon the rules that the user set up. Basically you're forcing the user > to recreate the sequence of files each time anew. > > On Jun 23, 2012, at 1:22 PM, Kyle Sluder wrote: > >> On Jun 23, 2012, at 1:16 PM, Matthew Weinstein wrote: >> >>> The whole idea of the app is so that users can automate the combining of >>> different PDFs; users should be able to swap out different pdfs and then >>> the program will recombine them. The program remembers (saves in a wrapper) >>> the pdfs that have been combined. Sort of defeats the purpose if the users >>> can't substitute say this year's calendar for last year's. >> >> So your app's workflow relies on the user understanding and manipulating the >> filesystem? Apple seem to be encouraging developers to provide interfaces >> that don't require specific filesystem layouts. In other words, you control >> the filesystem under your container (which the user should never see) and >> the user controls the filesystem everywhere else (the layout of which your >> program should not rely on). >> >> Instead of requiring the user to replace the files using Finder, can they >> just replace the files using your app? You would keep the source PDFs and >> all the combined results inside your document wrapper. >> >> --Kyle Sluder >> >>> >>> On Jun 23, 2012, at 1:12 PM, Kyle Sluder wrote: >>> On Jun 23, 2012, at 12:09 PM, Matthew Weinstein wrote: > I think the temp.security thing will work, but I'm wondering what happens > if a user replaces a file in the directory by one with the same name; > does the os know it's not the original file? Security scoped bookmarks are attached to the file itself, so if the file is replaced you will not be able to access the new file that exists at that path. May I ask what motivated you to choose a project-oriented document structure (components located outside the document itself) rather than a compound document structure (PDFs copied or moved into your doc bundle)? --Kyle Sluder > > On Jun 23, 2012, at 9:53 AM, Alex Zavatone wrote: > >> From what I have read in the docs, accessing files outside of the >> approved areas/domains (music, photos, documents(?) ) will ALWAYS >> require user interaction. >> >> Apple is really screwing us in this one. >> >> I hope that Conrad is right with his suggestion. >> >> On Jun 23, 2012, at 12:17 PM, Matthew Weinstein wrote: >> >>> Dear cocoa-dev, >>> So I'm wondering how in the maze of sandboxed apps how to get my app to >>> work properly. What it does is wrap around pdf files so that they can >>> be combined, separated; etc. It doesn't actually change the original >>> pdfs, just remembers their locations, reads them in and then writes to >>> a different pdf (as the user requests). >>> >>> In addition it opens a specific wrapper on launch which contains >>> standard elements that a user might want to add to their pdf (blank >>> pages, etc.). The file is just a typical file that the program creates, >>> stored at a location provided by the user, so that they can add their >>> own elements to this wrapper. >>> >>> The first time the program is run, it doesn't find this special >>> wrapper, asks the user where they want it it, they pick a spot (home or >>> documents), the program creates a directory, copies the needed files >>> out of its bundle, it opens the file, and all is well, the elements >>> from the "fixings" wrapper appear in a menu on the menu bar. >>> >>> However, the second time the program is run, i.e., once the files have >>> been put in place and I try to access them, I get a "257" error on >>> [[NSDocumentController sharedDocumentController] >>> openDocumentWithContentsOfURL: myurl display: YES error: &err]; Which >>> seems to mean I don't have permission... >>> >>> It doesn't matter where the user saves the file; I get the 257 error. I >>> did all of this because when I created the directory using the >>> NSHomeDirectoryForUser(NSUserName()) and submitted the application, >>> Apple complained and said I needed to ask the user where to put it; but >>> if I do I get a 257 subsequent times the program is run. >>> >>> Any ideas on how to do this or get beyond the error code? >>> >>>
Is this an incorrect use of categories ?
if([rule hasDelayField])[self.delayField setStringValue:rule.delayField]; if([rule hasPeriodField]) [self.periodField setStringValue:rule.periodField]; if([rule hasOpacityField]) [self.opacityField setStringValue:rule.opacityField]; if([rule hasEasingField]) [self.easingField setStringValue:rule.easingField]; if([rule hasCallbackField]) [self.callbackField setStringValue:rule.callbackField]; } @end --- End of message. Erik Stainsby. ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Is this an incorrect use of categories ?
Thanks for the reply Graham.
The categories are loaded in a window controller which serves as the context
for the plugins. The plugins are loaded with a convenience method from my
framework, which uses NSBundle loading techniques.
Is it sufficient that the categories be loaded in the windowController code? Or
do they need to be available in the framework context in which the plugins are
actually loaded from nib? That is, my categories are being added in the app
not in the framework.
RSRuleWindowController.m:
#import "RSRuleWindowController.h"
#import "NSView+RSPositionView.h"
#import "DOMElement+RSLDOMExtensions.h"
#import "RSActionRule+RSActionRuleFromPlugin.h"
#import "RSFilterRule+RSFilterRuleFromPlugin.h"
#import "RSReactionRule+RSReactionRuleFromPlugin.h"
#import "RSActionPlugin+RSActionPluginFromRule.h"
#import "RSFilterPlugin+RSFilterPluginFromRule.h"
#import "RSReactionPlugin+RSReactionPluginFromRule.h"
@implementation RSRuleWindowController
- (id) init {
self = [super initWithWindowNibName:@"RSRuleWindow"];
if (self) {
_rules = [NSMutableDictionary dictionary];
RSTrixieLoader *loader = [[RSTrixieLoader alloc] init];
self.actionPlugins = [loader
loadPluginsWithPrefix:@"Action" ofType:@"bundle"];
self.filterPlugins = [loader
loadPluginsWithPrefix:@"Filter" ofType:@"bundle"];
self.reactionPlugins= [loader
loadPluginsWithPrefix:@"Reaction" ofType:@"bundle"];
loader = nil;
}
return self;
}
[…]
@end
On 2012-07-05, at 8:23 PM, Graham Cox wrote:
>
> On 06/07/2012, at 12:50 PM, Erik Stainsby wrote:
>
>> However, I am getting an "unrecognized selector sent to instance
>> 0xyaddayadda" when I try to run this. I know the selector does exist, so I
>> must have a scoping issue (?)
>
>
> At run-time, if the target object implements the selector (whether in a
> category or otherwise), you won't get this message. So, the target object is
> either not what you think it is, or the category wasn't attached.
>
> If the selector is supplied by a category, then the category must have been
> loaded in order to be attached to the class. If that category is implemented
> by the plug-in, you must have loaded and linked the plug-in before calling
> the method, so if that's the case I'd be looking at where and how you are
> doing this - usually you use the methods of the NSBundle class to load your
> plug-in. e.g. -loadAndReturnError:
>
> It's not that clear from what you posted where the category is defined and
> implemented - in your app or in the plug-in.
>
>
> --Graham
>
>
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Re: Is this an incorrect use of categories ?
On 2012-07-06, at 12:46 PM, Greg Parker wrote: > On Jul 5, 2012, at 7:50 PM, Erik Stainsby wrote: >> My project employs a framework which loads several plugins. When the user >> interacts with these plugins s/he generates an intermediate abstraction of >> the plugin contents which I refer to as a rule. The rule abstraction exists >> to facilitate round-tripping back to the plugin of origin or onward to the >> rendered product. >> >> I am currently stuck in the stage of migrating the data from the plugin to a >> newly created rule instance. I hit on the notion of using categories to >> shuffle the values from the plugin instance to the rule instance and vice >> versa. Two small dedicated categories for each plugin family (I have three >> families at the moment). Seems a manageable scheme. However, I am getting >> an "unrecognized selector sent to instance 0xyaddayadda" when I try to run >> this. I know the selector does exist, so I must have a scoping issue (?) > > What exactly is the unrecognized selector message you get? > 2012-07-04 20:43:50.180 Trixie[422:303] -[RSLocatorView requestPopover:]- [0098] 2012-07-04 20:44:02.980 Trixie[422:303] -[RSReactionRule(RSReactionRuleFromPlugin) loadFromPlugin:]- [0015] plugin.action: addClass 2012-07-04 20:44:02.981 Trixie[422:303] -[RSReactionRule setAction:]: unrecognized selector sent to instance 0x101833fe0 2012-07-04 20:44:02.981 Trixie[422:303] -[RSReactionRule setAction:]: unrecognized selector sent to instance 0x101833fe0 2012-07-04 20:44:02.983 Trixie[422:303] ( 0 CoreFoundation 0x7fff90996716 __exceptionPreprocess + 198 1 libobjc.A.dylib 0x7fff8c97c470 objc_exception_throw + 43 2 CoreFoundation 0x7fff90a2cd5a -[NSObject(NSObject) doesNotRecognizeSelector:] + 186 3 CoreFoundation 0x7fff90984c3e ___forwarding___ + 414 4 CoreFoundation 0x7fff90984a28 _CF_forwarding_prep_0 + 232 5 Trixie 0x0001cf81 -[RSReactionRule(RSReactionRuleFromPlugin) loadFromPlugin:] + 177 6 Trixie 0x0001b6d9 -[RSRuleWindowController addRuleToStore:] + 249 7 AppKit 0x7fff91589599 -[NSApplication sendAction:to:from:] + 342 8 AppKit 0x7fff915893f7 -[NSControl sendAction:to:] + 85 9 AppKit 0x7fff9158932b -[NSCell _sendActionFrom:] + 138 10 AppKit 0x7fff91587813 -[NSCell trackMouse:inRect:ofView:untilMouseUp:] + 1855 11 AppKit 0x7fff91587061 -[NSButtonCell trackMouse:inRect:ofView:untilMouseUp:] + 504 12 AppKit 0x7fff915867dc -[NSControl mouseDown:] + 820 13 AppKit 0x7fff9157e13e -[NSWindow sendEvent:] + 6853 14 AppKit 0x7fff9157a274 -[NSApplication sendEvent:] + 5761 15 AppKit 0x7fff9148feaa -[NSApplication run] + 636 16 AppKit 0x7fff91434886 NSApplicationMain + 869 17 Trixie 0x00011b12 main + 34 18 libdyld.dylib 0x7fff8f9e27e1 start + 0 ) > Are there any static libraries involved in your build process? Categories > compiled into static libraries require special treatment. > -- > Greg Parker gpar...@apple.com Runtime Wrangler > I am only using the home-built loader framework as mentioned. No other external-to-Cocoa libs. I opted to use categories in this case to avoid having to directly modify my framework. But if there is as Graham suggested a load order issue, I might be better off implementing the method natively in the framework. I pretty much have the code already in the categories. :D Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Is this an incorrect use of categories ?
On 2012-07-06, at 5:11 PM, Greg Parker wrote: > On Jul 6, 2012, at 4:48 PM, Erik Stainsby wrote: >> 2012-07-04 20:44:02.980 Trixie[422:303] >> -[RSReactionRule(RSReactionRuleFromPlugin) loadFromPlugin:]- [0015] >> plugin.action: addClass >> 2012-07-04 20:44:02.981 Trixie[422:303] -[RSReactionRule setAction:]: >> unrecognized selector sent to instance 0x101833fe0 > > How is -[RSReactionRule setAction:] implemented? It wasn't in your quoted > categories. Actually it was part of my first post: it is declared @property (retain) action; @synthesize action=_action; ~ as implemented in the RSReactionRule. It is invoked in the category, as: [self setAction: plugin.action]; > -- > Greg Parker gpar...@apple.com Runtime Wrangler > > ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Is this an incorrect use of categories ?
On 2012-07-06, at 5:28 PM, Erik Stainsby wrote: > On 2012-07-06, at 5:11 PM, Greg Parker wrote: > >> On Jul 6, 2012, at 4:48 PM, Erik Stainsby >> wrote: >>> 2012-07-04 20:44:02.980 Trixie[422:303] >>> -[RSReactionRule(RSReactionRuleFromPlugin) loadFromPlugin:]- [0015] >>> plugin.action: addClass >>> 2012-07-04 20:44:02.981 Trixie[422:303] -[RSReactionRule setAction:]: >>> unrecognized selector sent to instance 0x101833fe0 >> >> How is -[RSReactionRule setAction:] implemented? It wasn't in your quoted >> categories. > > Actually it was part of my first post: it is declared > > @property (retain) action; Check that: @property (retain) NSString * action; > @synthesize action=_action; > > ~ as implemented in the RSReactionRule. It is invoked in the category, as: > [self setAction: plugin.action]; > > > > > >> -- >> Greg Parker gpar...@apple.com Runtime Wrangler >> >> > ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Is this an incorrect use of categories ?
On 2012-07-06, at 5:13 PM, Alex Zavatone wrote: > OK. I'm not sure what I ran into is related, but maybe it is. > > If you can isolate the line of code before the crash, can you check and NSLog > the string value of the selector being sent and see if it matches the > selectors on the object? > > GL. The selector name is reported in the error message, and the method is declared as a @property/@synthesize so I have no reason to doubt that they match up. I have in troubleshooting this hand coded the setter/getter and removed the property decl. With nil difference in the result. Still not recognized. Which is why I started to think about scope issues. > > On Jul 6, 2012, at 7:48 PM, Erik Stainsby wrote: > >> >> >> On 2012-07-06, at 12:46 PM, Greg Parker wrote: >> >>> On Jul 5, 2012, at 7:50 PM, Erik Stainsby >>> wrote: >>>> My project employs a framework which loads several plugins. When the user >>>> interacts with these plugins s/he generates an intermediate abstraction of >>>> the plugin contents which I refer to as a rule. The rule abstraction >>>> exists to facilitate round-tripping back to the plugin of origin or onward >>>> to the rendered product. >>>> >>>> I am currently stuck in the stage of migrating the data from the plugin to >>>> a newly created rule instance. I hit on the notion of using categories to >>>> shuffle the values from the plugin instance to the rule instance and vice >>>> versa. Two small dedicated categories for each plugin family (I have three >>>> families at the moment). Seems a manageable scheme. However, I am getting >>>> an "unrecognized selector sent to instance 0xyaddayadda" when I try to >>>> run this. I know the selector does exist, so I must have a scoping issue >>>> (?) >>> >>> What exactly is the unrecognized selector message you get? >>> >> >> >> 2012-07-04 20:43:50.180 Trixie[422:303] -[RSLocatorView requestPopover:]- >> [0098] >> 2012-07-04 20:44:02.980 Trixie[422:303] >> -[RSReactionRule(RSReactionRuleFromPlugin) loadFromPlugin:]- [0015] >> plugin.action: addClass >> 2012-07-04 20:44:02.981 Trixie[422:303] -[RSReactionRule setAction:]: >> unrecognized selector sent to instance 0x101833fe0 >> 2012-07-04 20:44:02.981 Trixie[422:303] -[RSReactionRule setAction:]: >> unrecognized selector sent to instance 0x101833fe0 >> 2012-07-04 20:44:02.983 Trixie[422:303] ( >> 0 CoreFoundation 0x7fff90996716 >> __exceptionPreprocess + 198 >> 1 libobjc.A.dylib 0x7fff8c97c470 >> objc_exception_throw + 43 >> 2 CoreFoundation 0x7fff90a2cd5a >> -[NSObject(NSObject) doesNotRecognizeSelector:] + 186 >> 3 CoreFoundation 0x7fff90984c3e >> ___forwarding___ + 414 >> 4 CoreFoundation 0x7fff90984a28 >> _CF_forwarding_prep_0 + 232 >> 5 Trixie 0x0001cf81 >> -[RSReactionRule(RSReactionRuleFromPlugin) loadFromPlugin:] + 177 >> 6 Trixie 0x0001b6d9 >> -[RSRuleWindowController addRuleToStore:] + 249 >> 7 AppKit 0x7fff91589599 >> -[NSApplication sendAction:to:from:] + 342 >> 8 AppKit 0x7fff915893f7 -[NSControl >> sendAction:to:] + 85 >> 9 AppKit 0x7fff9158932b -[NSCell >> _sendActionFrom:] + 138 >> 10 AppKit 0x7fff91587813 -[NSCell >> trackMouse:inRect:ofView:untilMouseUp:] + 1855 >> 11 AppKit 0x7fff91587061 >> -[NSButtonCell trackMouse:inRect:ofView:untilMouseUp:] + 504 >> 12 AppKit 0x7fff915867dc -[NSControl >> mouseDown:] + 820 >> 13 AppKit 0x7fff9157e13e -[NSWindow >> sendEvent:] + 6853 >> 14 AppKit 0x7fff9157a274 >> -[NSApplication sendEvent:] + 5761 >> 15 AppKit 0x7fff9148feaa >> -[NSApplication run] + 636 >> 16 AppKit 0x7fff91434886 >> NSApplicationMain + 869 >> 17 Trixie 0x00011b12 main + 34 >> 18 libdyld.dylib 0x7fff8f9e27e1 start + 0 >> ) >> >
Avoiding cyclic header imports
I have two classes, and a model object - RSPlugin, RSExpression, and RSRule - which share the same data model. I have thought to have the classes provide a method which can be used to initialize the RSRule object so: RSRule * rule = [[RSRule alloc] init]; [rule loadFromPlugin: currentPlugin]; where -[RSRule loadFromPlugin:] copies the values to the rule. This requires however that RSRule #imports the RSPlugin header. I also would like to maintain symmetry by having RSPlugin import the values of RSRule, for purposes of round-tripping to the UI (plugin reps the UI for a rule instance). Obviously, this would require RSPlugin to #import RSRule's header. Xcode doesn't like this one bit. The same sort of reciprocal data-swapping interface would be wanted for the RSExpression side of the chain. I imagine this is such a commonplace sort of relationship that there must be a standard approach (or perhaps several approaches) to solving it. My first stab at it was to try and provide the interfaces as categories but I ran into a similar issue with circular imports. Anyone got a pointer to a Comp Sci 101 style description of how to avoid this? Thanks for your time. ~ Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Instance not responding to selector
I have a set of plugins which I load via a custom framework. The plugins load and behave correctly in the UI. I have a set of corresponding "rule" objects, one for each class of plugin. A plugin may load data from a rule, and a rule may load data from a plugin: -[RSRule loadFromPlugin:(RSPlugin*)plugin] or -[RSPlugin loadFromRule:(RSRule*)rule]. I have moved away from using categories to do this and the classes implement these methods internally. The header files list the methods correctly. However, after a clean and build, attempting to invoke any of these -[loadFrom..:] methods causes a crash reporting "unrecognized selector". A typical error message: 2012-07-10 20:42:39.791 Trixie[41453:303] -[RSReactionRule loadFromPlugin:]: unrecognized selector sent to instance 0x1018961b0 2012-07-10 20:42:39.792 Trixie[41453:303] -[RSReactionRule loadFromPlugin:]: unrecognized selector sent to instance 0x1018961b0 2012-07-10 20:42:39.794 Trixie[41453:303] ( 0 CoreFoundation 0x7fff898bf716 __exceptionPreprocess + 198 1 libobjc.A.dylib 0x7fff858a5470 objc_exception_throw + 43 2 CoreFoundation 0x7fff89955d5a -[NSObject(NSObject) doesNotRecognizeSelector:] + 186 3 CoreFoundation 0x7fff898adc3e ___forwarding___ + 414 4 CoreFoundation 0x7fff898ada28 _CF_forwarding_prep_0 + 232 5 Trixie 0x0001adf3 -[RSRuleWindowController addRuleToStore:] + 131 6 AppKit 0x7fff8a4b2599 -[NSApplication sendAction:to:from:] + 342 7 AppKit 0x7fff8a4b23f7 -[NSControl sendAction:to:] + 85 8 AppKit 0x7fff8a4b232b -[NSCell _sendActionFrom:] + 138 9 AppKit 0x7fff8a4b0813 -[NSCell trackMouse:inRect:ofView:untilMouseUp:] + 1855 10 AppKit 0x7fff8a4b0061 -[NSButtonCell trackMouse:inRect:ofView:untilMouseUp:] + 504 11 AppKit 0x7fff8a4af7dc -[NSControl mouseDown:] + 820 12 AppKit 0x7fff8a4a713e -[NSWindow sendEvent:] + 6853 13 AppKit 0x7fff8a4a3274 -[NSApplication sendEvent:] + 5761 14 AppKit 0x7fff8a3b8eaa -[NSApplication run] + 636 15 AppKit 0x7fff8a35d886 NSApplicationMain + 869 16 Trixie 0x000112a2 main + 34 17 libdyld.dylib 0x7fff8890b7e1 start + 0 ) Any advice on how I could narrow down what is causing this? I have tried using repondsToSelector: but this doesn't do anything but confirm what the error message states, that the selector is not recognized. ~ Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Instance not responding to selector
On 2012-07-10, at 9:44 PM, Jens Alfke wrote:
>
> On Jul 10, 2012, at 9:03 PM, Erik Stainsby
> wrote:
>
>> 2012-07-10 20:42:39.792 Trixie[41453:303] -[RSReactionRule loadFromPlugin:]:
>> unrecognized selector sent to instance 0x1018961b0
>
> What does the implementation of the -loadFromPlugin: method in that class (or
> a superclass it inherits it from) look like? Not the body, just the outside
> part.
>
> —Jens
#import "RSTrixiePlugin.h"
@class RSReactionRule;
@interface RSReactionPlugin : RSTrixiePlugin
// various properties
- (void) loadFromRule: (RSReactionRule*) rule;
@end
#import "RSReactionPlugin.h"
#import "RSReactionRule.h"
@implementation RSReactionPlugin
- (void) loadFromRule: (RSReactionRule*) rule {
// setting various properties of the plugin
}
@end
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Re: Instance not responding to selector
Hi Fritz, I should have stated that I am building against 10.8, and using ARC, and using Xcode 4.4DP6. I don't believe the issues I'm facing are all that esoteric so I don't think the version of XC is likely to effect this situation. On 2012-07-10, at 10:02 PM, Fritz Anderson wrote: > On 10 Jul 2012, at 11:03 PM, Erik Stainsby wrote: > >> Any advice on how I could narrow down what is causing this? I have tried >> using repondsToSelector: but this doesn't do anything but confirm what the >> error message states, that the selector is not recognized. > > More than that, it states that the selector is not recognized _by > RSReactionRule_. Are you sending that message to an RSReactionRule? If you > don't think you are, set a breakpoint (presumably somewhere in > -addRuleToStore:), and examine the recipient of that message; does the > debugger think it's an RSReactionRule? The object which is failing to respond is of the correct class: RSReactionRule in this case, generally an RSTrixieRule subclass. The object is newly allocated and initialized. It has not been sent any other messages at the point of failure. RSReactionRule *reactionRule= [[RSReactionRule alloc] init]; [reactionRule loadFromPlugin:(RSReactionPlugin*)self.reactionPlugin]; > There are two main reasons an object won't recognize a selector. > > - You blundered and wrote code that sent the selector to the wrong object. > This is fairly obvious, and the compiler usually urges you not to do it > anyway. I believe I have sent it to the correct object. > - You sent the message via an object pointer that _used_ to point to a > legitimate receiver for the selector, but that object had been deallocated, > and the address recycled for another object (an RSReactionRule) that doesn't > implement it. In other words, the object got (over)released out from under > you. Audit your memory management (better, adopt ARC). The Allocations > instrument, set to record reference counts and enabling zombie detection, > should help you track this down. I am using ARC and have no reason to believe that ARC has reclaimed my newly instantiated object. Calling on it for a description in NSLog statements results in a coherent description being logged. So something of the correct class is at the other end of the pointer being referenced. > Or, maybe there's something esoteric going on with your plugin loading. But > I'd look at these two possibilities first. The plugin loading seems straightforward. I create a loader from the framework, iterate over the plugins found in my apps' Plugins folder, instantiate and store the plugins in an array. When they have been loaded, I set the loader nil. Each plugin has a UI component which loads in its correct place and exhibits all the behaviour I expect it to. It just doesn't;t seem to me that there is room for subtle errors here. I'd be happy to post loader code if that seems likely to anyone. ~ Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Instance not responding to selector
On 2012-07-10, at 11:47 PM, Quincey Morris wrote: > On Jul 10, 2012, at 23:11 , Erik Stainsby wrote: > >> @interface RSReactionPlugin : RSTrixiePlugin >> >> // various properties >> >> - (void) loadFromRule: (RSReactionRule*) rule; >> >> @end > > Are you sure that's what you mean? According to this you implemented > 'loadFromRule:' but according to your log you invoke 'loadFromPlugin:'. My error, this is the other side of the symmetric relationship. @interface RSReactionRule : RSTrixieRule // various properties -(void) loadFromPlugin: (RSReactionPlugin*) plugin; @end ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Instance not responding to selector
On 2012-07-11, at 7:13 AM, Fritz Anderson wrote: > On 11 Jul 2012, at 1:33 AM, Erik Stainsby wrote: > >> I should have stated that I am building against 10.8, and using ARC, and >> using Xcode 4.4DP6 > > Then I can't help. Aside from the fact that my problem-solving technique* > would require me to sit down for an hour or two and grope around your project > by hand, those products are still under nondisclosure. > > * (Others, with direct experience and better imaginations, may be more > effective.) > > I know it's hairsplitting, given that what's currently on the servers is > likely to be identical to what will be public in a week or two, but that's > where the line is drawn. > > — F The build results behave exactly the same when I switch the target to 10.7 ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Load UIWebView with new content
You need to use -loadHtmlString: Time Dwarf, Roaring Guy On 2012-07-13, at 4:51 AM, Vavelin Kevin wrote: > Hi there, > > I want to "refresh" my webView when I add something that i've write in > javascript with > stringByEvaluatingJavaScriptFromString: . > > But when I call the method my html is still the same. I want to reload my > html page and just modify one thing with javascript. Do you have any idea of > how I can do it ? > > Thanks in advance for your answers. > > Vavelin Kévin > Twitter | Blog | LinkedIn > Entrepreneur > Developer OS X / iOS > > ___ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
ABPerson does not have interface properties ?
This one has to be pretty simple.
There is a category of ABPerson which provides this interface. So what have I
missed ?
OSX, 10.7
#import "RSAppDelegate.h"
#import
#import
@implementation RSAppDelegate
- (void)applicationDidFinishLaunching:(NSNotification *) notification {
addressBook = [ABAddressBook addressBook];
// this line works and loads 81 records into the content array...
// [peopleArrayController setContent:[addressBook people]];
for(ABPerson * person in [addressBook people]) {
NSArray * props = [person properties]; // No visible
@interface for 'ABPerson' declares the selector 'properties'
NSMutableDictionary * d = [[NSMutableDictionary alloc] init];
for( NSString * propName in props ) {
[d setObject:[person valueForProperty:propName]
forKey:propName];
}
[peopleArrayController addObject:d];
}
NSLog(@"%s- [%04d] Number of people records loaded: %lu",
__PRETTY_FUNCTION__, __LINE__, [[peopleArrayController content] count]);
}
@end
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Re: ABPerson does not have interface properties ? SOLVED
My mistake. 'properties' is a class method, returning the keys; not an
instance method, as I was using it below.
On 2012-07-14, at 7:01 PM, Erik Stainsby wrote:
> This one has to be pretty simple.
> There is a category of ABPerson which provides this interface. So what have I
> missed ?
> OSX, 10.7
>
>
> #import "RSAppDelegate.h"
> #import
> #import
>
> @implementation RSAppDelegate
>
> - (void)applicationDidFinishLaunching:(NSNotification *) notification {
>
> addressBook = [ABAddressBook addressBook];
> // this line works and loads 81 records into the content array...
> // [peopleArrayController setContent:[addressBook people]];
>
>
> for(ABPerson * person in [addressBook people]) {
>
> NSArray * props = [person properties]; // No visible
> @interface for 'ABPerson' declares the selector 'properties'
>
> NSMutableDictionary * d = [[NSMutableDictionary alloc] init];
> for( NSString * propName in props ) {
> [d setObject:[person valueForProperty:propName]
> forKey:propName];
> }
> [peopleArrayController addObject:d];
> }
>
> NSLog(@"%s- [%04d] Number of people records loaded: %lu",
> __PRETTY_FUNCTION__, __LINE__, [[peopleArrayController content] count]);
> }
>
> @end
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How can I convince an NSBigMutableString to become a mere NSAttributedString ?
I'm working with the text from a multiline NSTextField. When it arrives in the delegate it is represented in an NSBigMutableString. Casting this to a NSAttributedString seems to have no effect on the actual class being used by the NSString cluster. I can't seem to find any documentation on NSBigMutableString. Can someone with deep experience tell me if I can _safely_ assume that NSBMS will respect all of NSAttributedString's method calls ? Also if I have a convenience function in a category, should I rewrite it as a category on NSString ? Or directly on the NSBMS, which seems to be a hidden class? Writing a category on a hidden class just doesn't feel right. ~ Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: How can I convince an NSBigMutableString to become a mere NSAttributedString ?
Sorry I should have said a little more about my context. I'm looking at the object passed to the delegate method -control:isValidObject: Documentation states: "In validating, the delegate should check the value in the object parameter…" I am however unable to assess the value since it is being rep'd by an impenetrable class clustered object. ~ Erik On 2012-07-17, at 5:11 PM, David Duncan wrote: > On Jul 17, 2012, at 4:58 PM, Erik Stainsby > wrote: > >> I'm working with the text from a multiline NSTextField. When it arrives in >> the delegate it is represented in an NSBigMutableString. Casting this to a >> NSAttributedString seems to have no effect on the actual class being used by >> the NSString cluster. >> >> I can't seem to find any documentation on NSBigMutableString. >> >> Can someone with deep experience tell me if I can _safely_ assume that NSBMS >> will respect all of NSAttributedString's method calls ? >> >> Also if I have a convenience function in a category, should I rewrite it as >> a category on NSString ? Or directly on the NSBMS, which seems to be a >> hidden class? Writing a category on a hidden class just doesn't feel right. > > > Your assuming you should care that it is an NSBigMutableString in the first > place. From what I can see, the delegates all declare that you are receiving > an NSString, and as such you should be treating the value you get as an > NSString. > -- > David Duncan > ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: How can I convince an NSBigMutableString to become a mere NSAttributedString ?
Thanks for filling in my knowledge gap, Ken. I think between what you and Dave have said, I've realised that I am trying to do too much with the object passed in to -control:isValidObject: I was on my way to line-parsing the attributed string to determine if the user-added content is validly formatted. I think now that would be better done/ought to be done in the -control:textShouldEndEditing: which actually gives me the fieldEditor to work with. Thanks for your time. On 2012-07-17, at 5:20 PM, Ken Thomases wrote: > On Jul 17, 2012, at 6:58 PM, Erik Stainsby wrote: > >> I'm working with the text from a multiline NSTextField. When it arrives in >> the delegate it is represented in an NSBigMutableString. > > The fact that you felt compelled to investigate its actual dynamic class is a > sign that you're on the wrong track. You should only rely on the documented > static type. > >> Casting this to a NSAttributedString seems to have no effect on the actual >> class being used by the NSString cluster. > > Those are two completely different classes. An NSAttributedString *is not* > an NSString or any variety thereof. It's a different thing that has-a > NSString (not is-a NSString). > >> I can't seem to find any documentation on NSBigMutableString. > > That means it's private. You should not write any code which embodies any > knowledge of its existence. > >> Can someone with deep experience tell me if I can _safely_ assume that NSBMS >> will respect all of NSAttributedString's method calls? > > No, you can't. As I said above, an NSAttributeString is not an NSString or > any variety of NSString. They are not interchangeable. > > You can construct an NSAttributedString from an NSString, but then it won't > be the same attributed string as the text field is using, so it's unlikely to > be helpful. What are you actually trying to do? What delegate method are > you implementing? > >> Also if I have a convenience function in a category, should I rewrite it as >> a category on NSString ? Or directly on the NSBMS, which seems to be a >> hidden class? Writing a category on a hidden class just doesn't feel right. > > You definitely shouldn't write a category on a private class. I suspect > you're on the wrong path in writing a category on NSString for this > situation, too. > > Regards, > Ken > ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Regex library recommendations ?
My project is going to require several rounds of string parsing, and I'm an old perl hand, so I naturally want to add a regex wrapper to my workspace. Anyone got a favorite to recommend ? Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Regex library recommendations ?
End of thread. (Now looking for better indexed third party documentation…) On 2012-07-18, at 8:04 PM, Conrad Shultz wrote: > NSRegularExpression? > > (Sent from my iPhone.) > > -- > Conrad Shultz > > On Jul 18, 2012, at 19:59, Erik Stainsby wrote: > >> My project is going to require several rounds of string parsing, and I'm an >> old perl hand, so I naturally want to add a regex wrapper to my workspace. >> Anyone got a favorite to recommend ? >> >> Erik >> >> >> ___ >> >> 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: >> https://lists.apple.com/mailman/options/cocoa-dev/conrad%40synthetiqsolutions.com >> >> This email sent to con...@synthetiqsolutions.com ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: NSAutounbinder not releasing my object in a timely manner
Jonathan, Could you not watch the serial queue you mentioned? When it is empty, release the progress window. - Erik Sent from my iPad On 2012-07-19, at 4:02 AM, Jonathan Taylor wrote: > this nasty NSAutounbinder thingy then jumps in and re-retains it in some > evil under-the-covers voodoo to do with avoiding retain cycles (as I > understand it). Unfortunately the balancing autorelease only occurs 16 > seconds later when I move the mouse! While not catastrophic this is > pretty annoying and looks rather embarrassing. >>> It's not embarrassing unless your users are running your app in a debugger. >>> >>> Sorry, you've lost me there. Are you saying this will not occur if I am >>> running standalone rather than under XCode? (Unfortunately I don't have the >>> code in front of me to try this out). If that is the case then that's good >>> - if frustrating - news. Is this a known issue then? I was working on the >>> assumption that I was doing something obscurely wrong, or at least >>> non-standard somewhere to trigger this from happening. >>> >>> Or are you saying you only see the NSAutounbinder stuff in the debugger? If >>> so then - sure, but it's the fact that the progress bar is just sitting >>> there until I move the mouse that alarms me. >> >> Are you saying you're relying on an object being deallocated to change your >> GUI? You shouldn't be. If you want to close or hide a window, send it a >> -close or -orderOut: message. If you want to remove or hide a view, remove >> it from the view hierarchy or send it -setHidden:YES. If its hidden binding >> is bound to a model or controller property, set that property (on the main >> thread). > > Right, that makes a lot of sense. I can understand the principle of not > relying on the dealloc for that sort of thing and on first reading that made > complete sense. However, I have now tracked down/remembered the piece of code > that was my motivation for taking the approach I did. As always, it turns out > the real question is probably not quite the one I originally asked! Can I get > your opinion on this workflow? This is how I had previously done things: > > - User requests batch processing of data within a folder tree, which will > result in between 0 and many separate movies being generated. > - Application allocates a "progress" tracker, subclassed from > NSWindowController, in control of a window containing a progress indicator > and various other feedback elements. > - This is supplied to separate traversal/parsing code which identifies source > data from which movies should be generated. > - For each movie to be generated, the progress indicator is retained in > association with a GCD block which will be executed to perform the actual > work, added to a serial queue > - Following tree traversal, the application releases its reservation on the > progress tracker. If no movies are due to be generated, I had intended this > to cause it to be deallocated, at which point I had been closing the window. > > If work was queued, this will in due course be executed. The current work > block will take control of updating the progress tracker. When it is finished > it will release its reservation of the progress tracker. Again, when all work > has been completed I intended the retain count to fall to zero at which point > it would be deallocated and closed. > > My intention with all this was to avoid the need for any "information > sharing" between bits of code that I felt should be fairly independent. The > application-level code that originally allocates the progress tracker doesn't > need to care about what any more specific code wants to do with the progress > tracker, it just makes it available to anything that wants to retain it for > future use, and then relinquishes any further "personal" interest in that > object. > > Now, your statement that "[you shouldn't be] relying on an object being > deallocated to change your GUI" seems fair, but how would you tackle my > scenario here? One possible solution would be to have an intermediary object > with no gui/binding/etc of its own, which allocates and owns the progress > window and is retained and released by my code as necessary, > closing/releasing the window when it is deallocated. In practice, I suspect > that would work because that intermediary object "shouldn't" get caught up in > any of the deferred autoreleasing that was associated with my original > problem. However I am genuinely not sure whether that is just a slightly more > indirect way of violating your advice, or whether it is acceptable. I guess I > am not sure whether your statement is a generic design principle or a > practical rule of thumb for avoiding the sort of issue I encountered. > > In my mind retain/release is a way of tracking the interest that my different > work packages have on the progress window. If you say you don't like my > in
Sorting NSArray -- advice on how to accomplish a "simple" alpha ordering?
The NSSortDescriptor documentation seems especially opaque to me tonight. Surely there is a useful short description somewhere … ? *whimper* ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Sorting NSArray -- advice on how to accomplish a "simple" alpha ordering?
This has me thinking that to get the alpha sorted list of keys from a dictionary I should be passing the keypath as the param for sortDescriptorWithKey: and not trying to externalize the keys into an array first … ? On 2012-07-31, at 10:13 PM, Graham Cox wrote: > > On 01/08/2012, at 3:07 PM, Graham Cox wrote: > >> NSSortDescriptor* desc = [NSSortDescriptor sortDescriptorWithKey:@"compare:" >> ascending:YES]; > > > Oops, this wasn't what I meant. > > The "key" should be the property you're comparing to sort the objects. If > your array is a bunch of strings to be sorted, then what is the key? Well, > it's actually "self": > > NSSortDescriptor* desc = [NSSortDescriptor sortDescriptorWithKey:@"self" > ascending:YES]; > > Because internally the descriptor is looping over the array and doing a > -valueForKey:@"self" on each object, and that returns the object itself. The > sort comparison itself is done by invoking -compare: on the objects. > > > If it's another sort of object that has a string property, then you would > pass the name of that property, e.g. @"lastName". > > --Graham > > ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Sorting NSArray -- advice on how to accomplish a "simple" alpha ordering?
Hi Mark,
So I have a dictionary like so:
NSDictionary * countries = [NSDictionary dictionaryWithObjects:[NSArray
arrayWithObjects:@"Australia",@"Canada",@"United Kingdom",@"United States",nil]
forKeys:[NSArray arrayWithObjects:@"au",@"ca",@"uk",@"us",nil]];
I want to present them alphabetically as menuItems in an NSPopUpButton. I grab
the list of keys:
NSMutableArray * sortkeys = [NSMutableArray arrayWithArray:[countries
allKeys]];
What I have come up with is this:
[sortkeys sortUsingComparator:^NSComparisonResult(id obj1, id obj2) {
return [(NSString*)obj1 compare:(NSString*)obj2 ];
} ];
Is this a sane approach ? Seems a bit fussy to have to spec the cast like this.
Or is this just the what-is of this kind of functionality?
~ Erik
On 2012-08-01, at 3:20 AM, Mark Woollard wrote:
> Can you give a bit more info on what is stored in your NSArray? NSString?
> NSManagedObject? NSDictionary? Something else?
> Regards
> Mark
>
> On 1 Aug 2012, at 06:01, Erik Stainsby wrote:
>
>> The NSSortDescriptor documentation seems especially opaque to me tonight.
>> Surely there is a useful short description somewhere … ? *whimper*
>>
>>
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Re: reading preferences from com.apple.mail under 10.8
Would it not be more in keeping with sandbox culture to ask the user for permission to read the Mail.app preferences at run time? Thereby obviating the need to maintain a supported under the hood path to the same info. It could be a single request made once during first run. ~ Erik Sent from my iPad On 2012-08-02, at 12:17 PM, Jens Alfke wrote: > > On Aug 2, 2012, at 5:19 AM, Rob McBroom wrote: > >> And I question whether Scripting Bridge is “more supported” than >> `NSUserDefaults`. :-) > > Those are both supported APIs, but that's irrelevant. The point is that an > application's scripting API (as declared in its dictionary) is supported, > whereas apps' user defaults keys are for internal use only. > > (I do know of a couple of user-defaults domains that have well-known > supported keys in them — such as the ones that give the locations of the > iLife media index files — but those are separate domains containing only > those settings, not the internal domains of the iLife apps.) > > —Jens > ___ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Very basic table binding blind spot
I do so wish there was a Complete Idiot's Guide to Cocoa Table Bindings … The
very flexibility which I know must be their great virtue tends to obscure the
clear path from my sight more often than not. Forest, trees, trees, forest …
Oh! Something shiny!
---
So tonight I have an NSArrayController (RSTableArrayController) which I have
populated with dictionary objects of the form:
[self.content addObject:[NSDictionary dictionaryWithObjects: [NSArray
arrayWithObjects: key, [mvo valueForKey:key],nil] forKeys:[NSArray
arrayWithObjects:@"label",@"value",nil]]];
For this simple two column data I have a two column table, using Table View
Cells (I'm going to have visual objects in place of the 'label' later on).
I have set the identifier for the tableView columns very imaginatively to
"label", and "value".
The array controller is also < NSTableViewDataSource, NSTableViewDelegate >. I
have implemented the following two delegate methods:
- (NSInteger) numberOfRowsInTableView:(NSTableView *)aTableView {
return self.content.count;
}
- (id) tableView:(NSTableView *)aTableView
objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)rowIndex {
NSString * identifier = [tableColumn identifier];
NSDictionary * dict = [self.content objectAtIndex:rowIndex];
NSLog(@"%s- [%04d] %@: %@", __PRETTY_FUNCTION__, __LINE__,
identifier,[dict valueForKey:identifier]);
return [dict valueForKey:identifier];
}
In the nib, I have an ArrayController object of the class described above
RSTableArrayController. It is wired up as the delegate and dataSource for the
tableView.
And here is where I get lost time and again, tracing the appropriate path to
the content and it's constituent data parts and binding them to the appropriate
element in the tableView.
» Scroll View
» Table View
» Table Column
» Table Cell View
» Static Text
Text Field Cell
Given that the delegate method is called -[tableView:
objectValueForTableColumn: row:] I should expect to bind the arrayController's
objectValue in the Bindings Inspector to the ?node? in the object browser. Do
I need to do more than get that right?
~ Erik,
currently batting .034 in the bindings league ...
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Re: Very basic table binding blind spot
Thank you gentlemen, both, for taking the time to educate me. I have lots to rethink in my "design", such as it was. On 2012-08-03, at 12:27 AM, Quincey Morris wrote: > On Aug 3, 2012, at 00:16 , Kyle Sluder wrote: > >> Hmm, now that Quincy's pointed it out, it looks like you are indeed using a >> view-based table view. > > No bonus points to me though. Having cleverly focused on the forest instead > of the trees, I didn't register the fact that using the data source was > inconsistent with trying to bind what's supposed to be in the columns. > > ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Master-detail views and managing next responder sequence
My current project is built around a master-detail style interface: the primary record owns the window content, while subviews display related content from various sources. My problem is that the tableViews which display these subordinate lists seem to mess up the responder chain's sequence for advancing the focus when the user tries to tab through page. What I would like to accomplish is to have the user be able to tab through top-to-bottom without noticing there are additional components in the page, as if it were one seamless document instead of (in this case) four. Further complicating this a little (I suspect) is that the m-d form is not shown in the window when the application launches, but replaces a window subview when called for, necessitating that the responder chain sequence be established on-the-fly, at runtime. My first higher-level question then is how I ought to be going about establishing the tab-key behaviour sequence I want to achieve? My thought at the moment is to work out the list of controls I mean to have in order, then create outlets for them in the windowController, and as the master-detail view is added to the window, set the responder chain sequence in code. With the three subviews in this case, tabbing into and out of them in turn leaves me with six junction points with the main view. Tedious perhaps but manageable. Clearly this would not scale well as a solution, which makes me think there must be a better way to build a bridge than with matchsticks. Any guidance appreciated. ~ Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Master-detail views and managing next responder sequence
Thanks Graham, that has 90% of my issue addressed. The system seems to swallow a couple of keystrokes entering each table, but at least it does get there. I suspect a few judiciously placed refusesFirstRespnder's and I'm home free. Cheers, Erik On 2012-08-05, at 6:47 PM, Graham Cox wrote: > > On 06/08/2012, at 11:38 AM, Erik Stainsby wrote: > >> My first higher-level question then is how I ought to be going about >> establishing the tab-key behaviour sequence I want to achieve? > > > > Have you investigated whether -[NSWindow recalculateKeyViewLoop] would do the > job? I've used this after installing a view in a M-D interface and it works > as expected. The only difference in my implementation is that the detail > views are never tables, or ever include tables, but I don't see why that > would make much difference. > > --Graham > > ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Detecting focus on control
Is it the case that setting up a trackingArea over a given control is the easiest way to detect the arrival of focus on a given control? I'm thinking in terms of tab-advancing keyboard activity here, where the user advances onto a modestly complex screen region (a postal address displayed in NSBox holding a multiLineLabel). Upon arrival of focus I want to swap in a fielded edit interface. It seems like this sort of awareness ought to be trivial to glean, but I'm not seeing it in NSView nor NSControl where I would expect to find it documented. Advice on where I ought to look? TIA ~ Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: userSpaceScaleFactor in class NSWindow is deprecated - so what?
>From the docs: Returns the scale factor applied to the window. (Deprecated. Use convertRectToBacking: and backingScaleFactor instead.) On 2012-08-11, at 5:55 AM, Gerriet M. Denkmann wrote: > userSpaceScaleFactor ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Detecting focus on control
On 2012-08-10, at 7:30 PM, Andy Lee wrote:
> If there's one specific control class that you want to detect focus for, you
> can subclass it and override becomeFirstResponder. If super returns true, do
> your thing.
>
> If you want to apply this to a bunch of varied controls, you might want to
> use a subclass of NSWindow and override makeFirstResponder: (again, checking
> what super returns).
>
> --Andy
>
So I do have a handful of cases which I will want to swap in editing views for
the display views. So I have a subclass of NSWindow with the following method:
- (BOOL) makeFirstResponder:(NSResponder *)responder {
if([super makeFirstResponder:responder]) {
if([responder isEqualTo:[self.windowController displayField]]) {
NSLog(@"%s- [%04d] %@", __PRETTY_FUNCTION__, __LINE__,
@"call activateEditorView");
[self.windowController activateEditorView:self];
}
return YES;
}
return NO;
}
The windowController has the following method:
- (IBAction) activateEditorView: (id)sender {
// self.displayField is the field which triggers this line of action
if([self.displayField resignFirstResponder]) {
NSLog(@"%s- [%04d] %@", __PRETTY_FUNCTION__, __LINE__,
@"replaceSubView:with:");
[[self.window contentView] replaceSubview:self.displayView
with:self.editorView];
[editorView setNeedsDisplay:YES];
}
}
Sadly, although the messages are logged the -replaceSubview:with: does not
accomplish any change. Have I done (or not done) something foolish in here? I
have tried moving firstResponder out of the displayField prior to the
replaceSubview: call but without apparent effect on the replaceSubview: outcome
(relocating the focus did happen).
~ Erik
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Re: 32-bit on 10.8
An argument on the internet is like arguing with an idiot.. Even if you win you were arguing with an idiot. ~ Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Perplexity with X3D and XML
XML attributes are properly formed when they are double-quoted, not single quoted. This is why the default for NSXML is double-quoted. It is likely that what you need to do is encode the x3d MFString before using it as the attribute body, perhaps as simply as slash escaping the quotes: attr="\'\"alpha\" \"bravo\"\' ". You may have to use DTD entities to represent the internal quote and double-quote characters. ~ Erik On 2012-08-15, at 7:47 PM, Christopher Henrich wrote: > I am working on an app which will, among other things, write out an X3D file, > in XML format. (Background: X3D is a language for describing > three-dimensional scenes*; one way to put an X3D scene in a file is to use > XML.) Some of the X3D "fields," which map to "attributes" of XML nodes, are > of the X3D type MFString. The idea is to wrap 0, 1, or more character strings > in a single package. > > The specification of the XML form for X3D requires that an MFString be > enclosed in single quotes, and the enclosed strings must be enclosed in > double quotes. Example: ' "alpha" "bravo" '. > > Now, if I construct an NSXML document in my program, and write it out using > XMLDataWithOptions, I do not have fine-grained control over whether strings > are enclosed in single or double quotes. I can apply the option > NSXMLNodeUseSingleQuotes, but I have to apply it to the entire document. This > is acceptable for the moment, but it seems clunky. What if I later have to > use X3D fields of type SFString, which X3D requires to be enclosed in double > quotes? > > There are, as far as I can tell, no magic hooks into the mechanism of > XMLDataWithOptions to apply an option in certain cases but not others. I face > the prospect of having to re-implement XMLDataWithOptions, adding special > wrinkles to apply an option in certain cases. > > I am tempted to wonder about the rule that X3D wants to enforce upon its XML > representation of fields of type SFString or MFString. I do not see how it > can be expressed in an XML Data Type Definition. It doesn't seem to appear in > the dtd files published by the X3D committee. Is it for real? And, according > to the customer of the XML community, should it be for real? > > Thanks in advance for any relevant insights. > > *X3D is good for a lot of other stuff as well, but this is the aspect I am > trying to use. > > Christopher Henrich > chenr...@monmouth.com > mathinteract.com > > > > > > ___ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Calculating row heights for view-based table rows, on re-use throws error
Hello all,
I have a view-based table in which there are four distinct row types,
representing distinct object types which may appear. The tableRowViews are in
the nib and represented in the code here as xxxCellView entities.
- (CGFloat)tableView:(NSTableView *)tableView heightOfRow:(NSInteger)row {
id obj = [_content objectAtIndex:row];
if([obj isKindOfClass:[RSPostalAddress class]]) {
return self.postalCellView.bounds.size.height;
}
else if([obj isKindOfClass: [RSEmailAddress class]]) {
return self.emailCellView.bounds.size.height;
}
else if([obj isKindOfClass: [RSPhoneNumber class]]) {
return self.phoneCellView.bounds.size.height;
}
else { // note field
return self.notesCellView.bounds.size.height;
}
}
My problem is that on first pass, this code returns quite sane and reasonable
results: the manually set sizes of the prototype tableRowViews. However on
second pass, it goes insane: 132.0 becomes 266.0, 28.0 becomes 118.0, 104.0
becomes 210.0 ... And the next thing the -tableView:heightOfRow: does is throw
it's brain in the air and gives up …. :P
2012-08-17 18:51:52.766 RSSuperContactsX[24075:303] -[RSTableController
tableView:heightOfRow:]- [0136] self.postalCellView.bounds.size.height:
266.00
2012-08-17 18:51:52.766 RSSuperContactsX[24075:303] -[RSTableController
tableView:heightOfRow:]- [0136] self.postalCellView.bounds.size.height:
266.00
2012-08-17 18:51:52.766 RSSuperContactsX[24075:303] -[RSTableController
tableView:heightOfRow:]- [0140] self.emailCellView.bounds.size.height:
118.00
2012-08-17 18:51:52.766 RSSuperContactsX[24075:303] -[RSTableController
tableView:heightOfRow:]- [0140] self.emailCellView.bounds.size.height:
118.00
2012-08-17 18:51:52.767 RSSuperContactsX[24075:303] -[RSTableController
tableView:heightOfRow:]- [0144] self.phoneCellView.bounds.size.height:
118.00
2012-08-17 18:51:52.767 RSSuperContactsX[24075:303] -[RSTableController
tableView:heightOfRow:]- [0148] self.notesCellView.bounds.size.height:
210.00
2012-08-17 18:51:52.767 RSSuperContactsX[24075:303] *** -[__NSArrayM
objectAtIndex:]: index 6 beyond bounds [0 .. 5]
2012-08-17 18:51:52.769 RSSuperContactsX[24075:303] (
0 CoreFoundation 0x7fff900a8716
__exceptionPreprocess + 198
1 libobjc.A.dylib 0x7fff8ad98470
objc_exception_throw + 43
2 CoreFoundation 0x7fff900455dc -[__NSArrayM
objectAtIndex:] + 252
3 RSSuperContactsX0x000130f5
-[RSTableController tableView:heightOfRow:] + 101
4 AppKit 0x7fff8a2e3322
-[NSTableView _sendDelegateHeightOfRow:] + 130
5 AppKit 0x7fff8a2e30db
-[NSTableView _uncachedRectHeightOfRow:] + 197
6 AppKit 0x7fff8a2e2f7a
-[_NSTableRowHeightStorage _cacheRowHeights] + 241
7 AppKit 0x7fff8a29d6f5
-[_NSTableRowHeightStorage _ensureRowHeights] + 80
8 AppKit 0x7fff8a2e3469
-[_NSTableRowHeightStorage copyWithZone:] + 89
9 AppKit 0x7fff8a2e03eb
-[NSTableRowData _saveCurrentRowHeightState] + 293
10 AppKit 0x7fff8a2e0282
-[NSTableRowData beginUpdates] + 93
11 AppKit 0x7fff8a29be0b
-[NSTableView _beginUpdate] + 63
12 AppKit 0x7fff8a2b473d
-[NSTableView reloadData] + 33
13 RSSuperContactsX0x00013016
-[RSTableController setPerson:] + 2982
14 RSSuperContactsX0x0001240b
-[RSTableController setActivePerson:] + 779
My expectation is that I ought to be able to clear the table (iterating through
the rows and applying -removeRowsAtIndexes:withAnimation: to discard the
present rowViews, and start clean with the next record to be displayed,
generating new rowViews as needed (because the number of component elements
(phone numbers/email addresses/etc) will vary from one record to the next).
I have no iterator code running at the time this error occurs, so I suspect I
have failed to correctly setup some aspect of the tableView/rowView mechanics.
Does anything suggest itself to anyone ?
Hopefully,
Erik
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Re: Calculating row heights for view-based table rows, on re-use throws error
Thanks for the thought Fritz. Removing my ham-handed attempt to purge the tableView of its rows indeed resolved the out of range error. On 2012-08-18, at 8:24 AM, Fritz Anderson wrote: >> My expectation is that I ought to be able to clear the table (iterating >> through the rows and applying -removeRowsAtIndexes:withAnimation: to >> discard the present rowViews, and start clean with the next record to be >> displayed, generating new rowViews as needed (because the number of >> component elements (phone numbers/email addresses/etc) will vary from one >> record to the next). > > Not a good expectation, if you are altering a collection while you are > iterating it. (You imply that's what you're doing, but it's not clear.) Doing > so leaves the collection in an inconsistent condition, and anything that > depends on the collection will have invalid data. (But see next paragraph.) > The table view might, for instance, try to index to a row for which the > backing data no longer exists. I am now left with the two simple problems of a) trying to remove populated but out dated tableRowViews from the tableView, and b) establishing the correct rowHeight for each subsequent reuse of the tableView. Any advice on where to start reading appreciated. ~ Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Switching between window controllers in code ?
This is either a stupid question or it is trivial. I just haven't run across the situation before. My app has two windows, ergo two windowControllers. I would like to toggle between them from a single menu item, ergo a single method handler. However that requires that the two window controllers have a common ancestor(?) in the responder chain. That let's appDelegate out, not a responder object. So, is there any way to have the same object in two nibs without getting caught in recursive looping, or retain cycles ? 10.8 (target 10.7), XC4.4 (I suppose it could be both trivial and stupid.) ~ Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Switching between window controllers in code ?
On 2012-08-20, at 9:15 PM, Jens Alfke wrote: > > On Aug 20, 2012, at 8:53 PM, Erik Stainsby > wrote: > >> My app has two windows, ergo two windowControllers. I would like to toggle >> between them from a single menu item, ergo a single method handler. However >> that requires that the two window controllers have a common ancestor(?) in >> the responder chain. That let's appDelegate out, not a responder object. > > Just wire the menu command directly to the app delegate object, instead of to > First Responder. > > —Jens Okay so that is working fine, but isn't that a venal sin in Cocoa programming? ~ Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Is it feasible to nest NSTableViews inside a view-based NStableView ?
I have a situation where my data contains arrays of values: a list of phone numbers belonging to a person object. I'd like to be able to display the numbers in a single cell contained in a nested table of editable fields. Am I insane? I've been circling trough the hierarchies trying to accomplish the connection of the person's array of phone numbers with a subclass of NSTableCellView acting as the subtable's delegate/datasource. I gotten tantalizingly close, but I just can't seem to bridge the gap. Corbin's TableViewPlayground doesn't quite get to this: all of the TableCellViews in his examples are first-generation children of the top-level table. Does anyone know if it is (im)possible to do this? Should I be looking at a different view strategy? Does anyone know of a clean clear example of how to accomplish this that I could study? ~ Erik OSX 10.8, XC4.4 ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Docs describing in-code loading of standard media icons?
I am building out custom tableCellViews and have a case in which I would like to show the NSUser silhouette from the standard media library. Is there a method for doing this in code? The Xcode docs organizer is not providing anything related. TIA Erik Stainsby erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Seeking advice re: placement of UndoManager
I am questioning where in the app I ought to locate my UndoManager code: 1) in the model classes? 2) in window controller class? 3) on its own as a controller-mediator class? The model is kvo compliant and so will be notified by observing itself. It has to broker the changes into the persistent store. Seems like a good locale to capture undo requirements. However it also seems like this is more a controller logic piece of the puzzle and as such doesn't really belong in the model classes. Advice from those who know would be much appreciated. Erik Stainsby erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Seeking advice re: placement of UndoManager
Forgot to mention this is not a NSDocument based app, nor am I using CD. OSX 10.8/deploying 10.7 Erik Stainsby erik.stain...@roaringsky.ca On 2012-09-02, at 3:10 PM, Erik Stainsby wrote: > I am questioning where in the app I ought to locate my UndoManager code: > > 1) in the model classes? > 2) in window controller class? > 3) on its own as a controller-mediator class? > > The model is kvo compliant and so will be notified by observing itself. It > has to broker the changes into the persistent store. Seems like a good locale > to capture undo requirements. However it also seems like this is more a > controller logic piece of the puzzle and as such doesn't really belong in the > model classes. > > Advice from those who know would be much appreciated. > > > Erik Stainsby > erik.stain...@roaringsky.ca > > ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: autosavesInPlace and sandbox
What autosave really needs is a reliable differential incremental save engine. This could cache diffs and perform a merge during "slow moments" of user inactivity. I wonder if this is where Apple might be heading with this technology. ~ Erik Sent from my iCapsule somewhere in orbit On 2012-09-07, at 11:15 AM, Kyle Sluder wrote: > On Fri, Sep 7, 2012, at 11:05 AM, Charles Srstka wrote: >> On Sep 7, 2012, at 12:54 PM, Kyle Sluder wrote: >> - An app that opens a particularly large or complex document type such that the save operation would take a large amount of time won't work very well in the autosave paradigm. >>> >>> This problem already exists with the old timer-based autosave paradigm. >>> If saving is slow, you need to smarten your save algorithm. >> >> What if the file you're saving is 4 GB in size and you're saving it to a >> laptop hard drive? No amount of "smartening" is going to fix that. > > I guess the question is, "why are you saving a 4GB file?" Media editors > don't do that; they split the file into chunks and bundle them in a > project folder. For other apps, we have document wrappers. > > If you really need to edit a single monolithic multi-GB file, there are > ways to do it other than holding the entire thing in memory and > overwriting the file on disk. For example, you can stream the file to > disk as it's created and maintain a dirty list, or mmap the file and > just let the VM system take care of it. > >> Also, some file types are just large and complex, and take a certain >> amount of computing power to save no matter how "smart" you are. Have you >> ever tried opening and editing a really high-resolution image file with >> Pixelmator with autosave turned on? It gets almost unusable. With a video >> editor, it would be even worse. > > No I have not, but what I have done is used versions of OmniOutliner > that use old-school autosave on gigantic documents customers have sent > us (usually with huge collections of image attachments). Whenever the > autosave timer expires, the app freezes for ten seconds at a time > because it's doing a naive rewrite-the-world save. This isn't a product > of Lion autosave. > >> Sure there are, and I gave you four of them (which doesn't necessarily >> rule out other cases that just aren't coming to mind at the moment). > > The reason I replied to your message is that I don't believe you > succeeded. You enumerated cases for which perhaps no good > *implementation* of Lion Autosave currently exists. But that does not > imply anything about the applicability of the *paradigm.* > > --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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: binding an array controller to columns in an NSTableView
I keep wondering as I'm watching this thread if it might be easier and more closely match the extensibility of the "row of color views" Chuck is trying to create if he were to use an NSMatrix instead of the full blown NSTable ? Sent from my iCapsule somewhere in orbit On 2012-09-11, at 11:23 AM, Quincey Morris wrote: > On Sep 11, 2012, at 10:13 , Chuck Soper wrote: > >> When adding additional colors, I understand that the following code can >> create a color object, but I'm not sure where to put this code or if I can >> use bindings instead. >> NSManagedObject *color = [NSEntityDescription >> insertNewObjectForEntityForName:@"Color" >> inManagedObjectContext:self.managedObjectContext]; >> [color setValue:@"Dark Blue" forKey:@"name"]; > > Where you put this code will depend on what triggers creation of the color > object. If, for example, there's a button that's clicked to create a color, > then you'd probably have an action method in a controller (e.g. window > controller, view controller or app delegate) that's responsible for creating > the new color object. This might contain the above code, or if it's a bit > more complicated it might call a data-model method that creates the color > object with all its properties set properly. > >> Essentially, I want each "color" object to be a bindable custom view. >> Ideally, this custom view would be a NSTableCellView subclass. My table >> would always have a single row, so I misspoke when I described that as a >> column. I'm not sure how I create and remove this view when creating and >> removing color objects. > > I'm not sure what you mean by "a single row" here. The table only ever has > one row? Or are you saying there should be multiple color subviews in each > row? > > Perhaps it would be clearer if you asked the whole question again -- I'm a > little unsure what you're asking. > > > ___ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Setting NSTableColumnIdentifier in Xcode 4.4.1?
Same place as earlier. Second row input field in the properties inspector. Make sure the column is the active node. Erik Roaring Sky On 2012-08-24, at 2:31 PM, Gerd Knops wrote: > > On Aug 24, 2012, at 4:27 PM, Laurent Daudelin > wrote: > >> Am I missing something? Where do you set the column identifier in Xcode 4.4? > > ___ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: maintaining alpha value for intersecting lines?
On 2012-09-13, at 9:02 AM, Koen van der Drift wrote: > On Sep 13, 2012, at 11:44, Ken Thomases wrote: > >> On Sep 13, 2012, at 7:40 AM, Koen van der Drift wrote: >> >>> When I draw two lines using NSBezierPaths, both of which have an alpha >>> value of let's say 0.5, the alpha value appears to be higher at the >>> intersection (the color becomes more opaque). Is there a way to >>> maintain the original alpha value for lines that intersect? >> >> Does this still happen with a single NSBezierPath containing both lines? > > Is that possible, since they all have different begin and end points? > > - Koen. Each stroke can have separate begin and end points from previous strokes. Look at -[NSBezierPath moveToPoint:] Erik > ___ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
kABHomeLabel … and companions
Hello folks, So the AddressBook framework's xxxLabel keys render out as strings encoded like so: _$!!$_, _$!!$_, _$!!$_ Is there framework method I am meant to use with the property keys kABHomeLabel, kABWorkLabel, etc, to render a legible text outcome ? Or am I meant to create my own lookup reference and to translate them as I see fit ? Erik Stainsby erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: kABHomeLabel … and companions
I understand that ABAddressBook methods are concerned with ABPerson and ABGroup
entities, subclasses of ABRecord.
However, the ABMultiValue collections are less intuitive. Among these are
stored the (potentially) multiple instances of addresses, phone numbers and
email addresses. For each instance of user supplied data, a multiValue object
can store - in properties keyed with kABXxxx keys - arbitrary labels: home,
work, iPhone, mobile, etc. The documentation leaves much to be desired, but
in particular, I cannot glean how to retrieve a user-supplied string from a
given multiValue object.
Some code:
Given some address, stored in an ABMultiValue object, such that:
- (void) unwrapMV:(ABMultiValue*)mv atIndex:(int)index {
NSString * _uuid = [mv identifierAtIndex:index];
NSString * _label = [mv labelForIdentifier:[mv
identifierAtIndex:index]];
NSDictionary * _dict = [mv valueAtIndex:index];
// am I the identified primary entry?
BOOL_primary= ([mv primaryIdentifier] == self.uuid)?
YES: NO;
NSLog( @"%@", _label) ;
}
produces _$!!$_,
or one of the other variants of the actual value of the key, not the value it
refers to.
Clearly I am failing to understand where these strings are being stored.
Erik Stainsby
erik.stain...@roaringsky.ca
On 2012-09-13, at 9:04 PM, Jerry Krinock wrote:
>
> On 2012 Sep 13, at 19:45, Erik Stainsby wrote:
>
>> So the AddressBook framework's xxxLabel keys render out as strings encoded
>> like so: _$!!$_, _$!!$_, _$!!$_ Is there framework
>> method I am meant to use with the property keys kABHomeLabel, kABWorkLabel,
>> etc, to render a legible text outcome
>
> Maybe you're looking for -[ABRecord valueForProperty:]. Note that
> ABAddressBook methods typically return ABPerson objects, and ABPerson
> inherits from ABRecord.
>
> If that doesn't explain it, post some code.
>
>
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Position of my item in the statusBar
HI, I'm wondering if anyone can explain to me (or point me in the right direction) as to how I can determine the current position of my stats bar item at runtime. It seems that the status bar mechanisms are unpublished except for the very basic use of popping an item into the collection and hanging a menu from it. I'd like to know where on screen my item's image is so that I can place a panel window adjacent to it. Advice? Erik Stainsby erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Position of my item in the statusBar
On 2012-09-17, at 2:17 PM, Kyle Sluder wrote: > On Mon, Sep 17, 2012, at 02:12 PM, Tim Schröder wrote: >> Use something like this: >> >> NSRect frame = [[statusItem valueForKey:@"window"] frame]; > > Don't do this. -[NSStatusItem window] is private API and is not > guaranteed to exist. > > Create a view, assign it to your status item, and use that for your > frame. > > --Kyle Sluder Is it any safer to assume a window will be returned from this code ? RSStatusItemViewController * _statusViewCtrl = [[RSStatusItemViewController alloc]init]; [self.statusItem setView:[_statusViewCtrl view]]; NSWindow * statusWindow = [[_statusViewCtrl view] window]; NSRect rect = [statusWindow frame]; I mean I assign the view through setView: - does that implicitly guarantee there will be a window context when I invoke [myView window] later on? I see nothing contractual. It works, and I am glad, but I don't know if I can trust it. Erik Stainsby erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: kABHomeLabel … and companions
That is the one. Found it the other day. Tanks Vince. Erik Stainsby erik.stain...@roaringsky.ca On 2012-09-21, at 1:33 PM, Vince DeMarco wrote: > > On Sep 13, 2012, at 7:45 PM, Erik Stainsby > wrote: > >> Hello folks, >> >> So the AddressBook framework's xxxLabel keys render out as strings encoded >> like so: _$!!$_, _$!!$_, _$!!$_ Is there framework >> method I am meant to use with the property keys kABHomeLabel, kABWorkLabel, >> etc, to render a legible text outcome ? Or am I meant to create my own >> lookup reference and to translate them as I see fit ? >> >> > > Try this > > // > // Localization of property or label > // > >// Returns the localized version of built in properties, labels or keys >// Returns propertyOrLabel if not found (e.g. if not built in) > NSString *ABLocalizedPropertyOrLabel(NSString *propertyOrLabel); > > > > > > > > in ABGlobals.h > >> Erik Stainsby >> erik.stain...@roaringsky.ca >> >> >> ___ >> >> 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: >> https://lists.apple.com/mailman/options/cocoa-dev/demarco%40apple.com >> >> This email sent to dema...@apple.com > ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
NSSearchField(Cell) changes size with typing
… and I can't stop it. Argh. There is nothing expressed in my code which addresses the searchField's size methods: – searchTextRectForBounds: – searchButtonRectForBounds: – cancelButtonRectForBounds: This is totally whacky and I'm hoping someone on the list has an immediate "Oh yes, just do x" moment. Erik Stainsby erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: NSSearchField(Cell) changes size with typing
On 2012-09-21, at 4:06 PM, Erik Stainsby wrote: > … and I can't stop it. Argh. > > There is nothing expressed in my code which addresses the searchField's size > methods: > – searchTextRectForBounds: > – searchButtonRectForBounds: > – cancelButtonRectForBounds: > > This is totally whacky and I'm hoping someone on the list has an immediate > "Oh yes, just do x" moment. > > Erik Stainsby > erik.stain...@roaringsky.ca It is behaving as if sizeToFit: were being called on it with each key stroke. OS X SDK 10.8.2 (deploy target 10.7) Xcode 4.4.1 Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
KVO change dict not reflecting edits in UI
Hello again list,
I have a custom object class RSPerson with a handful of string properties. I
have registered a singleton undoManager to observe changes, but the change dict
is always coming up symmetrical.
Edits made to the properties through UI do not appear in the change dict.
However setting the stringValue from the UI on the custom objects' properties
does trigger the observer method (?!)
Some code. The observer is set on each person as the person is populated.
RSPerson:
#import
@interface RSPerson : NSObject
@property (strong) IBOutlet NSString * firstName;
@property (strong) IBOutlet NSString * lastName;
@property (strong) IBOutlet NSString * organization;
@property (strong) IBOutlet NSUndoManager * observer;
- (void) registerObserver:(id)observer;
@end
@implementation RSPerson
- (id) init {
self = [super init];
if(self) {
}
return self;
}
- (void) registerObserver:(id)observer {
self.observer = observer;
[self addObserver:observer forKeyPath:@"firstName"
options:(NSKeyValueObservingOptionNew|NSKeyValueObservingOptionOld)
context:NULL];
[self addObserver:observer forKeyPath:@"lastName"
options:(NSKeyValueObservingOptionNew|NSKeyValueObservingOptionOld)
context:NULL];
[self addObserver:observer forKeyPath:@"organization"
options:(NSKeyValueObservingOptionNew|NSKeyValueObservingOptionOld)
context:NULL];
}
- (void) dealloc {
[self removeObserver:self.observer forKeyPath:@"firstName"];
[self removeObserver:self.observer forKeyPath:@"lastName"];
[self removeObserver:self.observer forKeyPath:@"organization"];
self.observer = nil;
}
@end
RSUndoManager:
#import
@interface RSUndoManager : NSUndoManager
+ (RSUndoManager *) sharedInstance;
+ (BOOL) sharedInstanceExists;
- (void) observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object
change:(NSDictionary *)change context:(void *)context;
@end
@implementation RSUndoManager
static RSUndoManager * instance = nil;
+ (RSUndoManager *) sharedInstance {
if(!instance ) {
instance = [[[self class] alloc] init];
}
return instance;
}
+ (BOOL) sharedInstanceExists {
return (nil != instance);
}
- (id) init {
if(![[self class] sharedInstanceExists])
{
self = [super init];
if(self) {
}
return self;
}
return instance;
}
- (void) observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object
change:(NSDictionary *)change context:(void *)context
{
NSLog(@" [%04d] %s %@: %@",__LINE__,__PRETTY_FUNCTION__, keyPath,[change
description]);
if([keyPath isEqualToString:@"organization"])
{
NSString * newVal = [change valueForKey:NSKeyValueChangeNewKey];
NSString * oldVal = [change valueForKey:NSKeyValueChangeOldKey];
if(newVal != oldVal) {
NSLog(@" [%04d] %s %@: %@: %@",__LINE__,__PRETTY_FUNCTION__, @" not
equal",oldVal,newVal);
}
else {
NSLog(@" [%04d] %s %@: %@: %@",__LINE__,__PRETTY_FUNCTION__, @" is
equal",oldVal,newVal);
}
}
}
@end
The case illustrated here ought to be showing me distinct values when I enter a
value into my UI in the organization field. No such luck.
Any suggestions?
Erik Stainsby
erik.stain...@roaringsky.ca
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Re: NSViewController
> @"SNPreferencesViewController.xib" Don't included the xib file extension. Erik Stainsby erik.stain...@roaringsky.ca On 2012-10-05, at 8:38 PM, koko wrote: > Ok, I have done this: > >m_SNPreferencesViewController = > (SNPreferencesViewController*)[[NSViewController alloc] > initWithNibName:@"SNPreferencesViewController.xib" bundle:nil]; > > and this >m_SNPreferencesViewController = > (SNPreferencesViewController*)[[NSViewController alloc] > initWithNibName:@"SNPreferencesViewController" bundle:nil]; > > and stepping over I get a value in m_SNPreferencesViewController but its > initWithNibName:bundle: is not called. > > How can this be? > > -koko > > > ___ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
NSTextFieldCell assertion failure messages?
Can anyone tell me what I ought to be doing in response to the following
message?
*** Assertion failure in -[NSTextFieldCell
_objectValue:forString:errorDescription:],
/SourceCache/AppKit/AppKit-1187.34/AppKit.subproj/NSCell.m:1532
This is cropping up in a table delegate/datasource when I bind: the textField
in an NSTableViewCell to my model object.
Each model object has three fields and any of them may be empty. So in my
tableView:viewForColumn:row: method I set each of the textFields' stringValue:
to @" " before binding it to it's object.
- (NSView*) tableView:(NSTableView *)tableView
viewForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row {
RSPerson * person = (RSPerson*)[self.personAC.content objectAtIndex:row];
NSTableCellView * cellView = [tableView makeViewWithIdentifier:[NSString
stringWithFormat:@"%@Cell",[tableColumn identifier]] owner:self];
cellView.textField.stringValue = @" ";
[cellView.textField bind:@"stringValue" toObject:person
withKeyPath:[tableColumn identifier] options:nil];
return cellView;
}
Any advice appreciated.
Erik Stainsby
erik.stain...@roaringsky.ca
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Running a-foul of bindings with multiple-value subfields
Hello all, I am working my way through trying to understand the correct use of bindings for a non-trivial model. The model I am working on is derived from the contacts database ABPerson. I am unclear how to bind to the elements of a multiple entry list. A person has a handful of direct properties: firstName, lastName, organization, image, etc. There are also three arbitrary length lists of related data: postal addresses, phone numbers, email addresses. I have no trouble using - bind: toObject: withKeyPath: options: for the direct properties. However, try as I might I can't seem to bind to the elements of lists. My question is ought I to be using (or subclassing) an arrayController for each of these lists ? And then binding through the selectedIndex or some such ? I hope this makes enough sense to someone so that they can point me down a lighted path. My code at the moment is a total mess, hence no samples. OSX 10.8 XC 4.5.1 This is a learning exercise so no legacy issues. ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Determining which control has focus
Hi list, It seems to me this ought to be a trivial function of the OS, but I can't find anything that tells me how to go about this. I have a window which contains half a dozen text fields and three table views. I'd like to be able to use a single key-combo to trigger an insert into the current table. To make this work I need to be able to recognize each tableView distinctly, obviously. I also need to recognize if the current focus is not within one of the tables, which case I will handle differently. I have thought of overriding - keyDown: but reading though the docs it looks like I would have to create a tag and reference a hand-built index associating the tags with the input controls, which seems insanely error prone and tedious. Is there something in the docs which I've missed? Any pointers please? TIA, Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: App rejection due to app-sandboxing invalid entitlement
Surely you could make the specific email client a Preference the user sets once, and then handle the act of sending with one menu item? Not any help with the sandbox issue however... Sent from my iCapsule somewhere in orbit On 2012-11-01, at 7:43 AM, Martin Hewitson wrote: > > On Nov 1, 2012, at 3:37 PM, Sean McBride wrote: > >> On Thu, 1 Nov 2012 05:17:09 +0100, Martin Hewitson said: >> >>> I did include a description on the resubmit. Seems it didn't help. I wrote: >>> >>> "I'm using this entitlement to allow the app to send documents by mail >>> from within the app. On 10.8 I can use the new >>> com.apple.security.scripting-targets but this isn't available on 10.7, >>> so there I need to use the temporary exception together with the entry >>> com.apple.mail." >>> >>> I'm really stuck on this now, so I'll probably fold and contact DTS. My >>> guess is it will be something trivial, or a non-issue related to the way >>> MAS does the review (automated). Clearly there can't be much wrong with >>> the entitlements because they actually work. The app is sandboxed and >>> can't send mails without the entitlements but can with them (tested on >>> 10.7 and 10.8). >> >> I'm curious... what about people that use non-Apple Mail.app email clients? >> Did you support that before? are you still able to with App Sandbox? Maybe >> you can make use of NSSharingService, which does seem to support 3rd party >> email clients. > > I supported only limited email clients before (ones with applescript > support), essentially by having an applescript for each, and a menu item for > each. Not so nice, but I could never find a simple way to just tell the > system to send an email using the user's default mail client. Does > NSSharingService do that? > > Martin > >> >> Cheers, >> >> -- >> >> Sean McBride, B. Eng s...@rogue-research.com >> Rogue Researchwww.rogue-research.com >> Mac Software Developer Montréal, Québec, Canada > > > > > > > ___ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Searching array with block
Following an example from Stephan Kochan's book I concocted the following
method, which alas does not work:
- (IBAction) updateIncrementalSearch:(id)sender {
NSString * term = [sender stringValue];
if(term) {
NSMutableArray * matchResults = [NSMutableArray new];
NSUInteger index = [[self content] indexOfObjectPassingTest:^(RSPerson
* rsp, NSUInteger idx, BOOL *stop) {
if([[rsp firstName] caseInsensitiveCompare:term] == NSOrderedSame) {
// *stop = YES;
[matchResults addObject:rsp];
return YES;
}
else {
return NO;
}
}];
#pragma unused(index)
if([matchResults count]){
self.matches = [NSArray arrayWithArray:matchResults];
// throw a notification
}
else {
NSLog(@" [%04d] %s %@",__LINE__,__PRETTY_FUNCTION__, @"no match
found");
}
for(RSPerson * p in self.matches) {
NSLog(@" [%04d] %s %@",__LINE__,__PRETTY_FUNCTION__, p.firstName);
}
}
}
This consistently reports
2012-11-11 14:20:14.050 SearchController[30109:303] [0105]
-[RSSearchController updateIncrementalSearch:] (null)
in spite of having 51 records which have firstName values… And regardless of
the number of matches which it ought to be generating it returns exactly one
result each time. (And btw, is it legit to NSLog() from inside a block ?)
What have I missed ? Anyone ?
TIA,
Erik
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Re: Searching array with block
Quincey wrote: > Perhaps "matches" should really be an array-valued simple property as this > code suggests, but it's far more usual to have an indexed property backed by > an array variable. Are you saying hereby that I ought to be building an indexSet rather than duplicating the objects? and publishing the indexSet as perhaps - selectionIndexes ? That was my intention; the previous code was by way of testing that I had the searching and selections correct to my satisfaction. Thanks, - Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
filterPredicate not effecting NSArrayController
Hello list,
I have the following code as the action for an NSSearchField (lifted liberally
from a CIMGF article)):
- (IBAction) updateFilter:(id)sender
{
// clobber any previous value - from SO article - has no effect
[self.peopleArrayController setFilterPredicate: nil];
NSMutableString * searchText = [NSMutableString
stringWithString:self.searchField.stringValue];
// Remove extraenous whitespace
while ([searchText rangeOfString:@" "].location != NSNotFound) {
[searchText replaceOccurrencesOfString:@" " withString:@" " options:0
range:NSMakeRange(0, [searchText length])];
}
//Remove leading space
if ([searchText length] != 0) [searchText replaceOccurrencesOfString:@" "
withString:@"" options:0 range:NSMakeRange(0,1)];
//Remove trailing space
if ([searchText length] != 0) [searchText replaceOccurrencesOfString:@" "
withString:@"" options:0 range:NSMakeRange([searchText length]-1, 1)];
if ([searchText length] == 0) {
[self.peopleArrayController setFilterPredicate:nil];
return;
}
NSArray * searchTerms = [searchText componentsSeparatedByString:@" "];
if ([searchTerms count] == 1) {
NSPredicate * p = [NSPredicate predicateWithFormat:@"(firstName
contains[cd] %@)
OR (lastName contains[cd] %@) OR (organization
contains[cd] %@)", searchText, searchText, searchText];
[self.peopleArrayController setFilterPredicate:p];
}
else
{
NSMutableArray * subPredicates = [[NSMutableArray alloc] init];
for (NSString * term in searchTerms) {
NSPredicate * p = [NSPredicate predicateWithFormat:@"(firstName
contains[cd] %@)
OR (lastName contains[cd] %@) OR (organization
contains[cd] %@)", term, term, term];
[subPredicates addObject:p];
}
NSPredicate * cp = [NSCompoundPredicate
andPredicateWithSubpredicates:subPredicates];
[self.peopleArrayController setFilterPredicate:cp];
}
[self.peopleArrayController rearrangeObjects];
[self.tableView reloadData];
}
The tableView is bound to an arrayController object in XIB, which is in turn a
ref to this (weak) peopleArrayController in the windowController.
The predicates (whichever is triggered) print to log just as expected. But the
contents of the tableView are not reduced.
The table displays the entire contents of the
peopleArrayController.arrangedObjects unfiltered.
Is there another step required?
In the bindings inspector > Controller Content Parameters is a filterPredicate
panel. Do I have to wire this up to a property which holds the current
predicate to be applied ?
- Erik
OSX 10.8/XC 4.5.2
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Re: filterPredicate not effecting NSArrayController
Thanks for leading this horse to water, Ken.
I removed the arrayController from the NIB and set the tableView's Content to
File's Owner > peopleArrayController.arrangedObjects and VOILA.
*sigh* I seem to consistently try to put too much into the (nib/code) and get
in the way of the services provided by the frameworks.
I'll learn… someday.
On 2012-11-22, at 3:47 PM, Ken Thomases wrote:
> Could you be calling your -updateFilter: method prior to the NIB being loaded?
>
> Also, did you say the peopleArrayController property is weak? If so, then
> that's why it's nil. There's no strong reference to the array controller
> you're allocating, so it gets deallocated, and weak references are nil'ed out.
>
> Your original message said the array controller is instantiated in the NIB.
> So why are you instantiating another one here? peopleArrayController should
> just point to the one from the NIB.
>
> Regards,
> Ken
>
> On Nov 22, 2012, at 9:38 AM, Erik Stainsby wrote:
>
>> And then I stuck in
>>
>> NSAssert(self.peopleArrayController, nil);
>>
>> which failed. Now I'm simply confused…
>>
>> - Erik
>>
>> On 2012-11-22, at 7:33 AM, Erik Stainsby wrote:
>>
>>> Sorry Ken, didn't articulate that well.
>>>
>>> The peopleArrayController is instantiated in the XIB, and then content is
>>> populated using the outlet in code:
>>>
>>> - (void) awakeFromNib {
>>>
>>>ABAddressBook * abk = [ABAddressBook addressBook];
>>>
>>>NSMutableArray * temp = [NSMutableArray new];
>>>for(ABPerson * abp in [abk people]) {
>>>RSPerson * rsp = [[RSPerson alloc] initWithABPerson:abp];
>>>[temp addObject:rsp];
>>>}
>>>
>>>NSSortDescriptor * lastNameSort = [[NSSortDescriptor alloc]
>>> initWithKey:@"lastName" ascending:YES
>>> selector:@selector(localizedStandardCompare:)];
>>>NSSortDescriptor * firstNameSort= [[NSSortDescriptor alloc]
>>> initWithKey:@"firstName" ascending:YES
>>> selector:@selector(localizedStandardCompare:)];
>>>//NSSortDescriptor * orgNameSort = [[NSSortDescriptor alloc]
>>> initWithKey:@"organization" ascending:YES
>>> selector:@selector(localizedStandardCompare:)];
>>>NSArray * sortedArray = [temp sortedArrayUsingDescriptors:
>>> @[lastNameSort,firstNameSort]]; //,orgNameSort]];
>>>
>>>self.people = [NSMutableArray arrayWithArray:sortedArray];
>>>self.peopleArrayController = [[NSArrayController alloc]
>>> initWithContent:self.people];
>>>
>>>[self.tableView reloadData];
>>> }
>>>
>>> This works to populate the tableView using bindings in the XIB. Therefore
>>> I assume that the peopleArrayController is not nil.
>>>
>>> ~ Erik
>>>
>>>
>>>
>>> On 2012-11-22, at 3:31 AM, Ken Thomases wrote:
>>>
>>>> I don't understand. That's a non sequitur. I wasn't asking about the
>>>> table view and what it displays. I was asking whether an outlet was
>>>> properly connected and whether the code in question was being run after
>>>> the NIB had loaded and connected the outlet.
>>>>
>>>> Regards,
>>>> Ken
>>>>
>>>> On Nov 21, 2012, at 9:30 PM, Erik Stainsby wrote:
>>>>
>>>>> Yes. The table view displays this same content.
>>>>>
>>>>> Erik
>>>>>
>>>>> On 2012-11-21, at 6:42 PM, Ken Thomases wrote:
>>>>>
>>>>>> On Nov 21, 2012, at 6:27 PM, Erik Stainsby wrote:
>>>>>>
>>>>>>> [self.peopleArrayController setFilterPredicate: nil];
>>>>>>
>>>>>>>[self.peopleArrayController setFilterPredicate:p];
>>>>>>
>>>>>>>[self.peopleArrayController setFilterPredicate:cp];
>>>>>>
>>>>>>> [self.peopleArrayController rearrangeObjects];
>>>>>>> [self.tableView reloadData];
>>>>>>
>>>>>>> The tableView is bound to an arrayController object in XIB, which is in
>>>>>>> turn a ref to this (weak) peopleArrayController in the windowController.
>>>>>>>
>>>>>>> The predicates (whichever is triggered) print to log just as expected.
>>>>>>> But the contents of the tableView are not reduced.
>>>>>>> The table displays the entire contents of the
>>>>>>> peopleArrayController.arrangedObjects unfiltered.
>>>>>>>
>>>>>>> Is there another step required?
>>>>>>
>>>>>> Have you verified that self.peopleArrayController is not nil?
>>>>>>
>>>>>> Regards,
>>>>>> Ken
>>>>>>
>>>>
>>>
>>
>
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How to properly clear subordinate arrayControllers in master-detail hierarchy?
I have a windowController which swaps two views, a list versus a single record's detail view. The detail view contains a hierarchy of arrayControllers which each support table views. At the top level of the detail view is an arrayController which contains the current selection from the list view. Each subordinate arrayController is bound to this top singleItemArrayController.selection.aDetailList array. NSWindow ListView arrayController objects DetailView singleItemArrayController selection subordArrayController1 selection.subordArray1 subordArrayController2 selection.subordArray2 This works fine to a point, but fails to clear the subordinate array controllers when the singleItemArrayController has no selection, or even just when it changes. How ought I go about flushing the current selection content from the subordinate array controllers? - Erik ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Compiler can't find method declared in protocol
May I ask where the actual implementation ?
Sent from my iCapsule somewhere in orbit
On 2012-12-18, at 6:31 AM, Jerry Krinock wrote:
> I am so stumped as to why llvm cannot see the declaration of a method in a
> protocol that I have reproduced the issue in a small test project. An error
> or warning occurs in the last line of the following code, where I send the
> message to a delegate which is declared to implement the protocol.
>
> If ARC is on, I get this the error:
> No visible @interface for 'NSObject' declares the
> selector 'tokenControl:renameToken:'
>
> If ARC is off, it instead appears as a warning:
> Instance method '-tokenControl:renameToken:' not found (return type defaults
> to 'id')
>
> In my real project, which is non-ARC, if I ignore the warning, the code runs
> OK.
>
> Thank you for answering what must be a simple question.
>
> Jerry Krinock
> D
> *** JunkLib.h **
>
> #import
>
> @protocol RPTokenControlDelegate ;
>
> @interface RPTokenControl : NSObject {
>NSObject * m_delegate ;
> }
>
> @property (assign) NSObject * delegate ;
>
> @end
>
>
> *** JunkLib.m **
>
> #import "JunkLib.h"
>
> @protocol RPTokenControlDelegate
>
> - (void)tokenControl:(RPTokenControl*)
> renameToken:(NSString*)token ;
>
> @end
>
> @implementation RPTokenControl
>
> - (IBAction)renameSelectedToken:(NSMenuItem*)sender {
>[[self delegate] tokenControl:self
> renameToken:@"junk"] ; // ERROR!!
> }
>
> @end
>
>
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Re: book for n00b
I'd also recommend Scott Stevenson's "Cocoa and Objective-C: Up and Running" and follow that with Stephen G. Kochan's Programming in Objective-C" $0.02 Sent from my iCapsule somewhere in orbit On 2013-01-16, at 10:14 AM, Scott Ribe wrote: > I know someone who's developed an interest in developing for Mac. No > programming experience, some HTML, so classic newbie. > > Would Hillegass' book still be the best intro? > > -- > Scott Ribe > scott_r...@elevated-dev.com > http://www.elevated-dev.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: > https://lists.apple.com/mailman/options/cocoa-dev/erik.stainsby%40roaringsky.ca > > This email sent to erik.stain...@roaringsky.ca ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: file url to string path
On Nov 22, 2013, at 10:15 AM, Jeremy Pereira wrote: > > On 21 Nov 2013, at 00:01, Kyle Sluder wrote: > >> On Wed, Nov 20, 2013, at 03:26 PM, koko wrote: >>> How does one turn this: >>> >>> file://localhost/Volumes/Macintosh%20HD/Included%20Free%20Designs/Aibnb18(colorized).pes >> >> http://lmgtfy.com/?q=NSURL > > Which leads you, via an enormous list to the -path method, which gives you > the path part of the URL after unescaping it. > … which is what I told you at the beginning when you asked this question … ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
