source: trunk/Cocoa/Pester/Source/NJRQTMediaPopUpButton.m@ 591

Last change on this file since 591 was 591, checked in by Nicholas Riley, 15 years ago

Remove (very) obsolete comment.
File size: 21.0 KB
Line 
1//
2// NJRQTMediaPopUpButton.m
3// Pester
4//
5// Created by Nicholas Riley on Sat Oct 26 2002.
6// Copyright (c) 2002 Nicholas Riley. All rights reserved.
7//
8
9#import "NJRQTMediaPopUpButton.h"
10#import "NJRSoundManager.h"
11#import "QTMovie-NJRExtensions.h"
12#import "NSMenuItem-NJRExtensions.h"
13
14#include <limits.h>
15
16static const int NJRQTMediaPopUpButtonMaxRecentItems = 10;
17
18NSString * const NJRQTMediaPopUpButtonMovieChangedNotification = @"NJRQTMediaPopUpButtonMovieChangedNotification";
19
20@interface NJRQTMediaPopUpButton (Private)
21- (void)_setPath:(NSString *)path;
22- (NSMenuItem *)_itemForAlias:(BDAlias *)alias;
23- (BOOL)_validateWithPreview:(BOOL)doPreview;
24- (void)_startSoundPreview;
25- (void)_resetPreview;
26- (void)_resetOutputVolume;
27@end
28
29@implementation NJRQTMediaPopUpButton
30
31// XXX handle refreshing sound list on resume
32// XXX launch preview on a separate thread (if movies take too long to load, they inhibit the interface responsiveness)
33
34// Recent media layout:
35// Most recent media are at TOP of menu (smaller item numbers, starting at [self indexOfItem: otherItem] + 1)
36// Most recent media are at END of array (larger indices)
37
38#pragma mark recently selected media tracking
39
40- (NSString *)_defaultKey;
41{
42 NSAssert([self tag] != 0, NSLocalizedString(@"Can't track recently selected media for popup with tag 0: please set a tag", "Assertion for QuickTime media popup button if tag is 0"));
43 return [NSString stringWithFormat: @"NJRQTMediaPopUpButtonMaxRecentItems tag %d", [self tag]];
44}
45
46- (void)_writeRecentMedia;
47{
48 NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
49 [defaults setObject: recentMediaAliasData forKey: [self _defaultKey]];
50 [defaults synchronize];
51}
52
53- (NSMenuItem *)_addRecentMediaAtPath:(NSString *)path withAlias:(BDAlias *)alias;
54{
55 NSString *title = [[NSFileManager defaultManager] displayNameAtPath: path];
56 NSMenu *menu = [self menu];
57 NSMenuItem *item;
58 if (title == nil || path == nil) return nil;
59 item = [menu insertItemWithTitle: title action: @selector(_aliasSelected:) keyEquivalent: @"" atIndex: [menu indexOfItem: otherItem] + 1];
60 [item setTarget: self];
61 [item setRepresentedObject: alias];
62 [item setImageFromPath: path];
63 [recentMediaAliasData addObject: [alias aliasData]];
64 if ([recentMediaAliasData count] > NJRQTMediaPopUpButtonMaxRecentItems) {
65 [menu removeItemAtIndex: [menu numberOfItems] - 1];
66 [recentMediaAliasData removeObjectAtIndex: 0];
67 }
68 return item;
69}
70
71- (void)_addRecentMediaFromAliasesData:(NSArray *)aliasesData;
72{
73 NSEnumerator *e = [aliasesData objectEnumerator];
74 NSData *aliasData;
75 BDAlias *alias;
76 while ( (aliasData = [e nextObject]) != nil) {
77 if ( (alias = [[BDAlias alloc] initWithData: aliasData]) != nil) {
78 [self _addRecentMediaAtPath: [alias fullPath] withAlias: alias];
79 [alias release];
80 }
81 }
82}
83
84- (void)_validateRecentMedia;
85{
86 NSEnumerator *e = [recentMediaAliasData reverseObjectEnumerator];
87 NSData *aliasData;
88 NSMenuItem *item;
89 BDAlias *itemAlias;
90 int otherIndex = [self indexOfItem: otherItem];
91 int aliasDataCount = [recentMediaAliasData count];
92 int lastItemIndex = [self numberOfItems] - 1;
93 int recentItemCount = lastItemIndex - otherIndex;
94 int recentItemIndex = otherIndex;
95 NSAssert2(recentItemCount == aliasDataCount, @"Counted %d recent menu items, %d of alias data", recentItemCount, aliasDataCount);
96 while ( (aliasData = [e nextObject]) != nil) { // go BACKWARD through array while going DOWN menu
97 recentItemIndex++;
98 item = [self itemAtIndex: recentItemIndex];
99 itemAlias = [item representedObject];
100 }
101}
102
103#pragma mark initialize-release
104
105- (void)_setUp;
106{
107 NSMenu *menu = [self menu];
108 [self removeAllItems];
109 [menu setAutoenablesItems: NO];
110
111 NSMenuItem *item = [menu addItemWithTitle: @"Alert sound" action: @selector(_beepSelected:) keyEquivalent: @""];
112 [item setTarget: self];
113 [menu addItem: [NSMenuItem separatorItem]];
114
115 NSMutableArray *soundFolderPaths = [[NSMutableArray alloc] initWithCapacity: kLastDomainConstant - kSystemDomain + 1];
116 for (FSVolumeRefNum domain = kSystemDomain ; domain <= kLastDomainConstant ; domain++) {
117 OSStatus err;
118 FSRef fsr;
119 err = FSFindFolder(domain, kSystemSoundsFolderType, false, &fsr);
120 if (err != noErr) continue;
121
122 UInt8 path[PATH_MAX];
123 err = FSRefMakePath(&fsr, path, PATH_MAX);
124 if (err != noErr) continue;
125
126 CFStringRef pathString = CFStringCreateWithFileSystemRepresentation(NULL, (const char *)path);
127 if (pathString == NULL) continue;
128
129 [soundFolderPaths addObject: (NSString *)pathString];
130 CFRelease(pathString);
131 }
132 NSFileManager *fm = [NSFileManager defaultManager];
133 NSEnumerator *e = [soundFolderPaths objectEnumerator];
134 NSString *folderPath;
135 while ( (folderPath = [e nextObject]) != nil) {
136 if (![fm changeCurrentDirectoryPath: folderPath]) continue;
137
138 NSDirectoryEnumerator *de = [fm enumeratorAtPath: folderPath];
139 NSString *path;
140 NSString *displayName;
141 while ( (path = [de nextObject]) != nil) {
142 BOOL isDir;
143 if (![fm fileExistsAtPath: path isDirectory: &isDir] || isDir) {
144 [de skipDescendents];
145 continue;
146 }
147
148 if (![QTMovie canInitWithFile: path]) continue;
149
150 displayName = [fm displayNameAtPath: path];
151 if ([[NSNumber numberWithBool: NO] isEqualTo: [[de fileAttributes] objectForKey: NSFileExtensionHidden]])
152 displayName = [displayName stringByDeletingPathExtension];
153
154 item = [menu addItemWithTitle: displayName
155 action: @selector(_systemSoundSelected:)
156 keyEquivalent: @""];
157 [item setTarget: self];
158 [item setImageFromPath: path];
159 path = [folderPath stringByAppendingPathComponent: path];
160 [item setRepresentedObject: path];
161 [item setToolTip: path];
162 }
163 }
164 [soundFolderPaths release];
165
166 if ([menu numberOfItems] == 2) {
167 item = [menu addItemWithTitle: NSLocalizedString(@"Can't locate alert sounds", "QuickTime media popup menu item surrogate for alert sound list if no sounds are found") action: nil keyEquivalent: @""];
168 [item setEnabled: NO];
169 }
170
171 [menu addItem: [NSMenuItem separatorItem]];
172 item = [menu addItemWithTitle: NSLocalizedString(@"Other...", "Media popup item to select another sound/movie/image") action: @selector(select:) keyEquivalent: @""];
173 [item setTarget: self];
174 otherItem = [item retain];
175
176 [self _validateWithPreview: NO];
177
178 recentMediaAliasData = [[NSMutableArray alloc] initWithCapacity: NJRQTMediaPopUpButtonMaxRecentItems + 1];
179 [self _addRecentMediaFromAliasesData: [[NSUserDefaults standardUserDefaults] arrayForKey: [self _defaultKey]]];
180 // [self _validateRecentMedia];
181
182 [self registerForDraggedTypes:
183 [NSArray arrayWithObjects: NSFilenamesPboardType, NSURLPboardType, nil]];
184}
185
186- (id)initWithFrame:(NSRect)frame;
187{
188 if ( (self = [super initWithFrame: frame]) != nil) {
189 [self _setUp];
190 }
191 return self;
192}
193
194- (id)initWithCoder:(NSCoder *)coder;
195{
196 if ( (self = [super initWithCoder: coder]) != nil) {
197 [self _setUp];
198 }
199 return self;
200}
201
202- (void)dealloc;
203{
204 [recentMediaAliasData release]; recentMediaAliasData = nil;
205 [otherItem release];
206 [selectedAlias release]; [previousAlias release];
207 [super dealloc];
208}
209
210#pragma mark accessing
211
212- (BDAlias *)selectedAlias;
213{
214 return selectedAlias;
215}
216
217- (void)_setAlias:(BDAlias *)alias;
218{
219 BDAlias *oldAlias = [selectedAlias retain];
220 [previousAlias release];
221 previousAlias = oldAlias;
222 if (selectedAlias != alias) {
223 [selectedAlias release];
224 selectedAlias = [alias retain];
225 }
226}
227
228- (void)setAlias:(BDAlias *)alias;
229{
230 [self _setAlias: alias];
231 if ([self _validateWithPreview: NO]) {
232 [self selectItem: [self _itemForAlias: selectedAlias]];
233 }
234}
235
236- (void)_setPath:(NSString *)path;
237{
238 [self _setAlias: [BDAlias aliasWithPath: path]];
239}
240
241- (NSMenuItem *)_itemForAlias:(BDAlias *)alias;
242{
243 if (alias == nil) return [self itemAtIndex: 0];
244
245 // [self _validateRecentMedia];
246 NSString *path = [alias fullPath];
247
248 // selected a system sound?
249 int itemIndex = [[self menu] indexOfItemWithRepresentedObject: path];
250 if (itemIndex != -1) {
251 // NSLog(@"_itemForAlias: selected system sound");
252 return [self itemAtIndex: itemIndex];
253 } else {
254 NSEnumerator *e = [recentMediaAliasData reverseObjectEnumerator];
255 NSData *aliasData;
256 NSMenuItem *item;
257 int recentIndex = 1;
258
259 while ( (aliasData = [e nextObject]) != nil) {
260 // selected a recently selected, non-system sound?
261 if ([alias aliasDataIsEqual: aliasData]) {
262 int otherIndex = [self indexOfItem: otherItem];
263 int menuIndex = recentIndex + otherIndex;
264 if (menuIndex == otherIndex + 1) return [self itemAtIndex: menuIndex]; // already at top
265 // remove item, add (at top) later
266 // NSLog(@"_itemForAlias removing item: idx %d + otherItemIdx %d + 1 = %d [%@]", recentIndex, otherIndex, menuIndex, [self itemAtIndex: menuIndex]);
267 [self removeItemAtIndex: menuIndex];
268 [recentMediaAliasData removeObjectAtIndex: [recentMediaAliasData count] - recentIndex];
269 break;
270 }
271 recentIndex++;
272 }
273
274 // create the item
275 item = [self _addRecentMediaAtPath: path withAlias: alias];
276 [self _writeRecentMedia];
277 return item;
278 }
279}
280
281- (BOOL)canRepeat;
282{
283 return movieCanRepeat;
284}
285
286- (BOOL)hasAudio;
287{
288 return movieHasAudio;
289}
290
291- (float)outputVolume;
292{
293 return outputVolume;
294}
295
296- (void)setOutputVolume:(float)volume withPreview:(BOOL)doPreview;
297{
298 if (![NJRSoundManager volumeIsNotMutedOrInvalid: volume]) return;
299 outputVolume = volume;
300 if (!doPreview) return;
301 // NSLog(@"setting volume to %f, preview movie %@", volume, [preview movie]);
302 if ([preview movie] == nil) {
303 [self _validateWithPreview: YES];
304 } else {
305 [self _startSoundPreview];
306 }
307}
308
309#pragma mark selected media validation
310
311- (void)_invalidateSelection;
312{
313 [self _setAlias: previousAlias];
314 [self selectItem: [self _itemForAlias: [self selectedAlias]]];
315 [[NSNotificationCenter defaultCenter] postNotificationName: NJRQTMediaPopUpButtonMovieChangedNotification object: self];
316}
317
318- (void)_startSoundPreview;
319{
320 if ([preview movie] == nil || outputVolume == kNoVolume)
321 return;
322
323 if (savedVolume || [NJRSoundManager saveDefaultOutputVolume]) {
324 savedVolume = YES;
325 [NJRSoundManager setDefaultOutputVolume: outputVolume];
326 }
327
328 if ([[preview movie] rate] != 0)
329 return; // don't restart preview if already playing
330
331 [[NSNotificationCenter defaultCenter] addObserver: self
332 selector: @selector(_soundPreviewDidEnd:)
333 name: QTMovieDidEndNotification
334 object: [preview movie]];
335 [preview play: self];
336}
337
338- (void)_soundPreviewDidEnd:(NSNotification *)notification;
339{
340 [self _resetPreview];
341}
342
343- (void)_resetPreview;
344{
345 [preview setMovie: nil];
346 [self _resetOutputVolume];
347}
348
349- (void)_resetOutputVolume;
350{
351 [NJRSoundManager restoreSavedDefaultOutputVolumeIfCurrently: outputVolume];
352 savedVolume = NO;
353}
354
355- (BOOL)_validateWithPreview:(BOOL)doPreview;
356{
357 // prevent _resetPreview from triggering afterward (crashes)
358 [[NSNotificationCenter defaultCenter] removeObserver: self
359 name: QTMovieDidEndNotification
360 object: [preview movie]];
361 [preview pause: self];
362 if (selectedAlias == nil) {
363 [preview setMovie: nil];
364 movieCanRepeat = YES;
365 movieHasAudio = NO; // XXX should be YES - this is broken, NSBeep() is asynchronous
366 if (doPreview) {
367 // XXX [self _updateOutputVolume];
368 NSBeep();
369 // XXX [self _resetOutputVolume];
370 }
371 } else {
372 NSError *error;
373 QTMovie *movie = [[QTMovie alloc] initWithFile: [selectedAlias fullPath] error: &error];
374 movieCanRepeat = ![movie NJR_isStatic];
375 if (movieHasAudio = [movie NJR_hasAudio]) {
376 [preview setMovie: doPreview ? movie : nil];
377 } else {
378 [self _resetPreview];
379 doPreview = NO;
380 if (movie == nil) {
381 NSBeginAlertSheet(@"Format not recognized", nil, nil, nil, [self window], nil, nil, nil, nil, [NSString stringWithFormat: NSLocalizedString(@"The item you selected isn't an image, sound or movie recognized by QuickTime. (%@)\n\nPlease select a different item.", "Message displayed in alert sheet when media document is not recognized by QuickTime"), [error localizedDescription]]);
382 [self _invalidateSelection];
383 return NO;
384 }
385 if (![movie NJR_hasAudio] && ![movie NJR_hasVideo]) {
386 NSBeginAlertSheet(@"No video or audio", nil, nil, nil, [self window], nil, nil, nil, nil, NSLocalizedString(@"'%@' contains neither audio nor video content playable by QuickTime.\n\nPlease select a different item.", "Message displayed in alert sheet when media document is readable, but has neither audio nor video tracks"), [[NSFileManager defaultManager] displayNameAtPath: [selectedAlias fullPath]]);
387 [self _invalidateSelection];
388 [movie release];
389 return NO;
390 }
391 }
392 if (doPreview) {
393 [self _startSoundPreview];
394 }
395 [movie release];
396 }
397 [[NSNotificationCenter defaultCenter] postNotificationName: NJRQTMediaPopUpButtonMovieChangedNotification object: self];
398 return YES;
399}
400
401#pragma mark actions
402
403- (IBAction)stopSoundPreview:(id)sender;
404{
405 [preview pause: self];
406 [self _resetPreview];
407}
408
409- (void)_beepSelected:(NSMenuItem *)sender;
410{
411 [self _setAlias: nil];
412 [self _validateWithPreview: YES];
413}
414
415- (void)_systemSoundSelected:(NSMenuItem *)sender;
416{
417 [self _setPath: [sender representedObject]];
418 if (![self _validateWithPreview: YES]) {
419 [[self menu] removeItem: sender];
420 }
421}
422
423- (void)_aliasSelected:(NSMenuItem *)sender;
424{
425 BDAlias *alias = [sender representedObject];
426 int index = [self indexOfItem: sender], otherIndex = [self indexOfItem: otherItem];
427 [self _setAlias: alias];
428 if (![self _validateWithPreview: YES]) {
429 [[self menu] removeItem: sender];
430 } else if (index > otherIndex + 1) { // move "other" item to top of list
431 int recentIndex = [recentMediaAliasData count] - index + otherIndex;
432 NSMenuItem *item = [[self itemAtIndex: index] retain];
433 NSData *data = [[recentMediaAliasData objectAtIndex: recentIndex] retain];
434 // [self _validateRecentMedia];
435 [self removeItemAtIndex: index];
436 [[self menu] insertItem: item atIndex: otherIndex + 1];
437 [self selectItem: item];
438 [item release];
439 NSAssert(recentIndex >= 0, @"Recent media index invalid");
440 // NSLog(@"_aliasSelected removing item %d - %d + %d = %d of recentMediaAliasData", [recentMediaAliasData count], index, otherIndex, recentIndex);
441 [recentMediaAliasData removeObjectAtIndex: recentIndex];
442 [recentMediaAliasData addObject: data];
443 [self _validateRecentMedia];
444 [data release];
445 } // else NSLog(@"_aliasSelected ...already at top");
446}
447
448- (IBAction)select:(id)sender;
449{
450 NSOpenPanel *openPanel = [NSOpenPanel openPanel];
451 NSString *path = [selectedAlias fullPath];
452 [openPanel setAllowsMultipleSelection: NO];
453 [openPanel setCanChooseDirectories: NO];
454 [openPanel setCanChooseFiles: YES];
455 [openPanel setDelegate: self];
456 [openPanel beginSheetForDirectory: [path stringByDeletingLastPathComponent]
457 file: [path lastPathComponent]
458 types: nil
459 modalForWindow: [self window]
460 modalDelegate: self
461 didEndSelector: @selector(openPanelDidEnd:returnCode:contextInfo:)
462 contextInfo: nil];
463}
464
465- (void)openPanelDidEnd:(NSOpenPanel *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo;
466{
467 [sheet close];
468
469 if (returnCode == NSOKButton) {
470 NSArray *files = [sheet filenames];
471 NSAssert1([files count] == 1, @"%d items returned, only one expected", [files count]);
472 [self _setPath: [files objectAtIndex: 0]];
473 if ([self _validateWithPreview: YES]) {
474 [self selectItem: [self _itemForAlias: selectedAlias]];
475 }
476 } else {
477 // "Other..." item is still selected, revert to previously selected item
478 // XXX issue with cancelling, top item in recent menu is sometimes duplicated!?
479 [self selectItem: [self _itemForAlias: selectedAlias]];
480 }
481 // [self _validateRecentMedia];
482}
483
484- (void)setEnabled:(BOOL)flag;
485{
486 [super setEnabled: flag];
487 if (flag) ; // XXX [self startSoundPreview: self]; // need to prohibit at startup
488 else [self stopSoundPreview: self];
489}
490
491#pragma mark drag feedback
492
493- (void)drawRect:(NSRect)rect;
494{
495 if (dragAccepted) {
496 NSWindow *window = [self window];
497 NSRect boundsRect = [self bounds];
498 BOOL isFirstResponder = ([window firstResponder] == self);
499 // focus ring and drag feedback interfere with one another
500 if (isFirstResponder) [window makeFirstResponder: window];
501 [super drawRect: rect];
502 [[NSColor selectedControlColor] set];
503 NSFrameRectWithWidthUsingOperation(NSInsetRect(boundsRect, 2, 2), 3, NSCompositeSourceIn);
504 if (isFirstResponder) [window makeFirstResponder: self];
505 } else {
506 [super drawRect: rect];
507 }
508}
509
510@end
511
512@implementation NJRQTMediaPopUpButton (NSSavePanelDelegate)
513
514- (BOOL)panel:(id)sender shouldShowFilename:(NSString *)filename;
515{
516 BOOL isDir = NO;
517 [[NSFileManager defaultManager] fileExistsAtPath: filename isDirectory: &isDir];
518
519 if (isDir)
520 return YES;
521
522 return [QTMovie canInitWithFile: filename];
523}
524
525@end
526
527@implementation NJRQTMediaPopUpButton (NSDraggingDestination)
528
529- (BOOL)acceptsDragFrom:(id <NSDraggingInfo>)sender;
530{
531 NSURL *url = [NSURL URLFromPasteboard: [sender draggingPasteboard]];
532 NSFileManager *fm = [NSFileManager defaultManager];
533 BOOL isDir;
534
535 if (url == nil || ![url isFileURL]) return NO;
536
537 if (![fm fileExistsAtPath: [url path] isDirectory: &isDir]) return NO;
538
539 if (isDir) return NO;
540
541 return YES;
542}
543
544- (NSString *)_descriptionForDraggingInfo:(id <NSDraggingInfo>)sender;
545{
546 NSDragOperation mask = [sender draggingSourceOperationMask];
547 NSMutableString *s = [NSMutableString stringWithFormat: @"Drag seq %d source: %@",
548 [sender draggingSequenceNumber], [sender draggingSource]];
549 NSPasteboard *draggingPasteboard = [sender draggingPasteboard];
550 NSArray *types = [draggingPasteboard types];
551 NSEnumerator *e = [types objectEnumerator];
552 NSString *type;
553 [s appendString: @"\nDrag operations:"];
554 if (mask & NSDragOperationCopy) [s appendString: @" copy"];
555 if (mask & NSDragOperationLink) [s appendString: @" link"];
556 if (mask & NSDragOperationGeneric) [s appendString: @" generic"];
557 if (mask & NSDragOperationPrivate) [s appendString: @" private"];
558 if (mask & NSDragOperationMove) [s appendString: @" move"];
559 if (mask & NSDragOperationDelete) [s appendString: @" delete"];
560 if (mask & NSDragOperationEvery) [s appendString: @" every"];
561 if (mask & NSDragOperationNone) [s appendString: @" none"];
562 [s appendFormat: @"\nImage: %@ at %@", [sender draggedImage],
563 NSStringFromPoint([sender draggedImageLocation])];
564 [s appendFormat: @"\nDestination: %@ at %@", [sender draggingDestinationWindow],
565 NSStringFromPoint([sender draggingLocation])];
566 [s appendFormat: @"\nPasteboard: %@ types:", draggingPasteboard];
567 while ( (type = [e nextObject]) != nil) {
568 if ([type hasPrefix: @"CorePasteboardFlavorType 0x"]) {
569 const char *osTypeHex = [[type substringFromIndex: [type rangeOfString: @"0x" options: NSBackwardsSearch].location] UTF8String];
570 OSType osType;
571 sscanf(osTypeHex, "%lx", &osType);
572 [s appendFormat: @" '%4s'", &osType];
573 } else {
574 [s appendFormat: @" '%@'", type];
575 }
576 }
577 return s;
578}
579
580- (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender;
581{
582 if ([self acceptsDragFrom: sender] && [sender draggingSourceOperationMask] &
583 (NSDragOperationCopy | NSDragOperationLink)) {
584 dragAccepted = YES;
585 [self setNeedsDisplay: YES];
586 // NSLog(@"draggingEntered accept:\n%@", [self _descriptionForDraggingInfo: sender]);
587 return NSDragOperationLink;
588 }
589 return NSDragOperationNone;
590}
591
592- (void)draggingExited:(id <NSDraggingInfo>)sender;
593{
594 dragAccepted = NO;
595 [self setNeedsDisplay: YES];
596}
597
598- (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender;
599{
600 dragAccepted = NO;
601 [self setNeedsDisplay: YES];
602 return [self acceptsDragFrom: sender];
603}
604
605- (BOOL)performDragOperation:(id <NSDraggingInfo>)sender;
606{
607 if ([sender draggingSource] != self) {
608 NSURL *url = [NSURL URLFromPasteboard: [sender draggingPasteboard]];
609 if (url == nil) return NO;
610 [self _setPath: [url path]];
611 if ([self _validateWithPreview: YES]) {
612 [self selectItem: [self _itemForAlias: selectedAlias]];
613 }
614 }
615 return YES;
616}
617
618@end
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