Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
HFSPlusController.m
/* |
File: HFSPlusController.m |
Contains: FSPropertyController subclass to handle the HFS+ filesystem. |
Version: Technology: Mac OS X |
Release: Mac OS X |
Copyright: (c) 2002 by Apple Computer, Inc., all rights reserved |
Bugs?: For bug reports, consult the following page on |
the World Wide Web: |
http://developer.apple.com/bugreporter/ |
*/ |
/* |
IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. ("Apple") in |
consideration of your agreement to the following terms, and your use, installation, |
modification or redistribution of this Apple software constitutes acceptance of these |
terms. If you do not agree with these terms, please do not use, install, modify or |
redistribute this Apple software. |
In consideration of your agreement to abide by the following terms, and subject to these |
terms, Apple grants you a personal, non-exclusive license, under AppleĆs copyrights in |
this original Apple software (the "Apple Software"), to use, reproduce, modify and |
redistribute the Apple Software, with or without modifications, in source and/or binary |
forms; provided that if you redistribute the Apple Software in its entirety and without |
modifications, you must retain this notice and the following text and disclaimers in all |
such redistributions of the Apple Software. Neither the name, trademarks, service marks |
or logos of Apple Computer, Inc. may be used to endorse or promote products derived from |
the Apple Software without specific prior written permission from Apple. Except as expressly |
stated in this notice, no other rights or licenses, express or implied, are granted by Apple |
herein, including but not limited to any patent rights that may be infringed by your |
derivative works or by other works in which the Apple Software may be incorporated. |
The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO WARRANTIES, |
EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, |
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS |
USE AND OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. |
IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL |
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, |
REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND |
WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR |
OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#import "HFSPlusController.h" |
#import <Carbon/Carbon.h> |
@implementation HFSPlusController |
- (id) init |
{ |
if (self = [super init]) |
{ |
// Like in other places, we're doing an object tag -> property mapping to easily |
// convert between the two worlds. |
propertyMappings = [[NSArray alloc] initWithObjects: DRCreationDate, |
DRContentModificationDate, // 1 |
DRAttributeModificationDate, // 2 |
DRAccessDate, // 3 |
DRBackupDate, // 4 |
DRPosixFileMode, // 5 |
DRPosixUID, // 6 |
DRPosixGID, // 7 |
DRHFSPlusTextEncodingHint, // 8 |
DRHFSPlusCatalogNodeID, // 9 |
DRMacFileType, // 10 |
DRMacFileCreator, // 11 |
DRMacWindowBounds, // 12 |
DRMacIconLocation, // 13 |
DRMacScrollPosition, // 14 |
DRMacWindowView, // 15 |
DRMacFinderFlags, // 16 |
DRMacExtendedFinderFlags, // 17 |
nil]; |
} |
return self; |
} |
- (NSString*) filesystem |
{ |
// We're the controller for the HFS+ filesystem, so return the correct value. |
return DRHFSPlus; |
} |
- (DRFilesystemInclusionMask) mask |
{ |
// We're the controller for the HFS+ filesystem, so return the correct value. |
return DRFilesystemInclusionMaskHFSPlus; |
} |
- (void) updateSpecific |
{ |
Point* iconPosition; |
Rect* windowBounds; |
Point* scrollPosition; |
NSData* data; |
unsigned short fndrFlags = 0; |
NSEnumerator* iter; |
NSCell* cell; |
[tecHint setObjectValue:[inspectedItem propertyForKey:DRHFSPlusTextEncodingHint inFilesystem:[self filesystem] mergeWithOtherFilesystems:NO]]; |
[nodeID setObjectValue:[inspectedItem propertyForKey:DRHFSPlusCatalogNodeID inFilesystem:[self filesystem] mergeWithOtherFilesystems:NO]]; |
data = [inspectedItem propertyForKey:DRMacFileCreator inFilesystem:[self filesystem] mergeWithOtherFilesystems:NO]; |
if (data) |
[creator setStringValue:[NSString stringWithCString:[data bytes] length:4]]; |
else |
[creator setStringValue:@""]; |
data = [inspectedItem propertyForKey:DRMacFileType inFilesystem:[self filesystem] mergeWithOtherFilesystems:NO]; |
if (data) |
[type setStringValue:[NSString stringWithCString:[data bytes] length:4]]; |
else |
[type setStringValue:@""]; |
data = [inspectedItem propertyForKey:DRMacWindowBounds inFilesystem:[self filesystem] mergeWithOtherFilesystems:NO]; |
if (data) |
{ |
windowBounds = (Rect*)[data bytes]; |
[boundsTop setIntValue:windowBounds->top]; |
[boundsLeft setIntValue:windowBounds->left]; |
[boundsBottom setIntValue:windowBounds->bottom]; |
[boundsRight setIntValue:windowBounds->right]; |
} |
else |
{ |
[boundsTop setStringValue:@""]; |
[boundsLeft setStringValue:@""]; |
[boundsBottom setStringValue:@""]; |
[boundsRight setStringValue:@""]; |
} |
data = [inspectedItem propertyForKey:DRMacIconLocation inFilesystem:[self filesystem] mergeWithOtherFilesystems:NO]; |
if (data) |
{ |
iconPosition = (Point*)[data bytes]; |
[iconPosX setIntValue:iconPosition->h]; |
[iconPosY setIntValue:iconPosition->v]; |
} |
else |
{ |
[iconPosX setStringValue:@""]; |
[iconPosY setStringValue:@""]; |
} |
data = [inspectedItem propertyForKey:DRMacScrollPosition inFilesystem:[self filesystem] mergeWithOtherFilesystems:NO]; |
if (data) |
{ |
scrollPosition = (Point*)[data bytes]; |
[scrollPosX setIntValue:scrollPosition->h]; |
[scrollPosY setIntValue:scrollPosition->v]; |
} |
else |
{ |
[scrollPosX setStringValue:@""]; |
[scrollPosY setStringValue:@""]; |
} |
[viewType setObjectValue:[inspectedItem propertyForKey:DRMacWindowView inFilesystem:[self filesystem] mergeWithOtherFilesystems:NO]]; |
fndrFlags = [[inspectedItem propertyForKey:DRMacFinderFlags inFilesystem:[self filesystem] mergeWithOtherFilesystems:NO] unsignedShortValue]; |
iter = [[finderFlags cells] objectEnumerator]; |
while ((cell = [iter nextObject]) != nil) |
{ |
[cell setState:([cell tag] & fndrFlags)]; |
} |
fndrFlags = [[inspectedItem propertyForKey:DRMacExtendedFinderFlags inFilesystem:[self filesystem] mergeWithOtherFilesystems:NO] unsignedShortValue]; |
iter = [[extFinderFlags cells] objectEnumerator]; |
while ((cell = [iter nextObject]) != nil) |
{ |
[cell setState:([cell tag] & fndrFlags) == [cell tag]]; |
} |
} |
- (IBAction) setIconPositionProperty:(id)sender |
{ |
NSData* positionData; |
Point iconPosition; |
iconPosition.h = [iconPosX intValue]; |
iconPosition.v = [iconPosY intValue]; |
positionData = [NSData dataWithBytes:&iconPosition length:sizeof(iconPosition)]; |
[inspectedItem setProperty:positionData forKey:DRMacIconLocation inFilesystem:[self filesystem]]; |
} |
- (IBAction) setFlagsProperty:(id)sender |
{ |
unsigned short fndrFlags = 0; |
NSEnumerator* iter = [[sender cells] objectEnumerator]; |
NSCell* cell; |
while ((cell = [iter nextObject]) != nil) |
{ |
if ([cell state]) |
fndrFlags |= [cell tag]; |
} |
[inspectedItem setProperty:[NSNumber numberWithUnsignedShort:fndrFlags] forKey:[propertyMappings objectAtIndex:[sender tag]] inFilesystem:[self filesystem]]; |
} |
- (IBAction) setFolderBoundsProperty:(id)sender |
{ |
NSData* boundsData; |
Rect windowBounds; |
windowBounds.top = [boundsTop intValue]; |
windowBounds.left = [boundsLeft intValue]; |
windowBounds.bottom = [boundsBottom intValue]; |
windowBounds.right = [boundsRight intValue]; |
boundsData = [NSData dataWithBytes:&windowBounds length:sizeof(windowBounds)]; |
[inspectedItem setProperty:boundsData forKey:DRMacWindowBounds inFilesystem:[self filesystem]]; |
} |
- (IBAction) setFolderScrollPositionProperty:(id)sender |
{ |
NSData* positionData; |
Point scrollPosition; |
scrollPosition.h = [scrollPosX intValue]; |
scrollPosition.v = [scrollPosY intValue]; |
positionData = [NSData dataWithBytes:&scrollPosition length:sizeof(scrollPosition)]; |
[inspectedItem setProperty:positionData forKey:DRMacScrollPosition inFilesystem:[self filesystem]]; |
} |
- (IBAction) setTypeCreatorProperty:(id)sender |
{ |
NSData* data = [[sender stringValue] dataUsingEncoding:CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingMacRoman) |
allowLossyConversion:YES]; |
data = [NSData dataWithBytes:[data bytes] length:4]; |
[inspectedItem setProperty:data forKey:[propertyMappings objectAtIndex:[sender tag]] inFilesystem:[self filesystem]]; |
} |
@end |
Copyright © 2003 Apple Computer, Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2003-01-14