/* |
File: FileViewController.m |
Abstract: Controller object for our file view. |
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Version: 1.5 |
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Copyright (C) 2014 Apple Inc. All Rights Reserved. |
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*/ |
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#import "FileViewController.h" |
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@interface FileViewController () |
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@property (nonatomic, strong) IBOutlet NSImageView *fileIcon; |
@property (nonatomic, strong) IBOutlet NSTextField *fileName; |
@property (nonatomic, strong) IBOutlet NSTextField *fileSize; |
@property (nonatomic, strong) IBOutlet NSTextField *modDate; |
@property (nonatomic, strong) IBOutlet NSTextField *creationDate; |
@property (nonatomic, strong) IBOutlet NSTextField *fileKindString; |
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@end |
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#pragma mark - |
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@implementation FileViewController |
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// ------------------------------------------------------------------------------- |
// awakeFromNib |
// ------------------------------------------------------------------------------- |
- (void)awakeFromNib |
{ |
// listen for changes in the url for this view |
[self addObserver: self |
forKeyPath:@"url" |
options:(NSKeyValueObservingOptionNew | NSKeyValueObservingOptionOld) |
context:NULL]; |
} |
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// ------------------------------------------------------------------------------- |
// dealloc |
// ------------------------------------------------------------------------------- |
- (void)dealloc |
{ |
[self removeObserver:self forKeyPath:@"url"]; |
} |
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// ------------------------------------------------------------------------------- |
// observeValueForKeyPath:ofObject:change:context |
// |
// Listen for changes in the file url. |
// ------------------------------------------------------------------------------- |
- (void)observeValueForKeyPath: (NSString *)keyPath |
ofObject:(id)object |
change:(NSDictionary *)change |
context:(void *)context |
{ |
// name |
[self.fileName setStringValue:[[NSFileManager defaultManager] displayNameAtPath:[self.url path]]]; |
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// icon |
NSImage *iconImage = [[NSWorkspace sharedWorkspace] iconForFile:[self.url path]]; |
[iconImage setSize:NSMakeSize(64,64)]; |
[self.fileIcon setImage:iconImage]; |
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NSDictionary *attr = [[NSFileManager defaultManager] attributesOfItemAtPath:[self.url path] error:nil]; |
if (attr) |
{ |
// file size |
NSNumber *theFileSize = [attr objectForKey:NSFileSize]; |
[self.fileSize setStringValue:[NSString stringWithFormat:@"%@ KB on disk", [theFileSize stringValue]]]; |
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// creation date |
NSDate *fileCreationDate = [attr objectForKey:NSFileCreationDate]; |
[self.creationDate setStringValue:[fileCreationDate description]]; |
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// mod date |
NSDate *fileModDate = [attr objectForKey:NSFileModificationDate]; |
[self.modDate setStringValue:[fileModDate description]]; |
} |
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// kind string |
CFStringRef kindStr = nil; |
LSCopyKindStringForURL((__bridge CFURLRef)self.url, &kindStr); |
if (kindStr != nil) |
{ |
[self.fileKindString setStringValue:(__bridge NSString *)kindStr]; |
CFRelease(kindStr); |
} |
} |
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@end |