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// |
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// Folder.m |
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// OpenStack |
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// |
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// Created by Mike Mayo on 12/7/10. |
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// The OpenStack project is provided under the Apache 2.0 license. |
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// |
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#import "Folder.h" |
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#import "StorageObject.h" |
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#import "NSObject+NSCoding.h" |
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#import "PithosUtilities.h" |
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|
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@implementation Folder |
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@synthesize folderObject, parent, objects, folders, objectsAndFoldersCount; |
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@synthesize name, sharing, contentType, lastModifiedString, metadata; |
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@synthesize sortedContentsByName, sortedContentsByDate; |
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#pragma mark - Object lifecycle |
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- (id)initWithObject:(StorageObject *)anObject {
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if ((self = [super init])) {
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self.folderObject = anObject; |
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self.objects = [NSMutableDictionary dictionary]; |
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self.folders = [NSMutableDictionary dictionary]; |
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} |
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return self; |
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} |
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- (id)init {
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StorageObject *anObject = [[[StorageObject alloc] init] autorelease]; |
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return [self initWithObject:anObject]; |
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} |
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+ (id)folderWithObject:(StorageObject *)anObject {
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return [[[self alloc] initWithObject:anObject] autorelease]; |
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} |
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+ (id)folder {
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return [[[self alloc] init] autorelease]; |
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} |
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- (NSComparisonResult)compareByName:(id)item {
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return [self.name caseInsensitiveCompare:[item name]]; |
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} |
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- (NSComparisonResult)compareByDate:(id)item {
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return [self.lastModifiedString caseInsensitiveCompare:[item lastModifiedString]]; |
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} |
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#pragma mark - Serialization |
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- (id)initWithCoder:(NSCoder *)coder {
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if ((self = [super init])) {
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[self autoDecode:coder]; |
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} |
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return self; |
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} |
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- (void)encodeWithCoder:(NSCoder *)coder {
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[self autoEncodeWithCoder:coder]; |
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} |
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#pragma mark - Memory management |
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-(void)dealloc {
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[folderObject release]; |
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[parent release]; |
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[folders release]; |
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[objects release]; |
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[sortedContentsByName release]; |
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[sortedContentsByDate release]; |
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[super dealloc]; |
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} |
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#pragma mark - Properties |
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- (void)setName:(NSString *)aName {
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self.folderObject.name = aName; |
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} |
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- (NSString *)name {
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return self.folderObject.name; |
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} |
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- (void)setSharing:(NSString *)aSharing {
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self.folderObject.sharing = aSharing; |
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} |
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- (NSString *)sharing {
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return self.folderObject.sharing; |
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} |
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- (void)setContentType:(NSString *)aContentType {
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self.folderObject.contentType = aContentType; |
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} |
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- (NSString *)contentType {
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return self.folderObject.contentType; |
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} |
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- (void)setMetadata:(NSMutableDictionary *)aMetadata {
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self.folderObject.metadata = aMetadata; |
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} |
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- (NSMutableDictionary *)metadata {
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return self.folderObject.metadata; |
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} |
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- (void)setLastModifiedString:(NSString *)aLastModifiedString {
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self.folderObject.lastModifiedString = aLastModifiedString; |
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} |
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- (NSString *)lastModifiedString {
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return self.folderObject.lastModifiedString; |
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} |
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- (void)setObjects:(NSMutableDictionary *)objs {
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if (![objects isEqualToDictionary:objs]) {
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[objects release]; |
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NSMutableDictionary *folderedFiles = [NSMutableDictionary dictionary]; |
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NSMutableDictionary *files = [NSMutableDictionary dictionary]; |
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self.folders = [[NSMutableDictionary alloc] init]; |
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for (NSString *key in objs) {
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StorageObject *object = [objs objectForKey:key]; |
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BOOL objectHasTrailingSlash = NO; |
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if ([object.name hasSuffix:@"/"]) {
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objectHasTrailingSlash = YES; |
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object.name = [object.name substringToIndex:(object.name.length - 1)]; |
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} |
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NSRange slashRange = [object.name rangeOfString:@"/"]; |
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if (slashRange.location != NSNotFound) {
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// build up the folder structure |
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NSString *folderName = [object.name substringToIndex:slashRange.location]; |
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object.name = [object.name substringFromIndex:(slashRange.location + 1)]; |
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if (objectHasTrailingSlash) |
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object.name = [object.name stringByAppendingString:@"/"]; |
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if (![folderedFiles objectForKey:folderName]) {
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[folderedFiles setObject:[NSMutableDictionary dictionary] forKey:folderName]; |
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} |
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NSMutableDictionary *folderFiles = [folderedFiles objectForKey:folderName]; |
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[folderFiles setObject:object forKey:object.name]; |
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} else if ([PithosUtilities isContentTypeDirectory:object.contentType]) {
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Folder *folder = [Folder folderWithObject:object]; |
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if (objectHasTrailingSlash) |
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folder.name = [folder.name stringByAppendingString:@"/"]; |
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folder.parent = self; |
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[self.folders setObject:folder forKey:folder.name]; |
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} else {
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// put the files in this folder |
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if (objectHasTrailingSlash) |
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object.name = [object.name stringByAppendingString:@"/"]; |
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[files setObject:object forKey:object.name]; |
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} |
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} |
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// take the foldered files and recursively build the rest of the folder structure |
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for (NSString *folderName in [folderedFiles allKeys]) {
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Folder *folder; |
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StorageObject *object = [objs objectForKey:folderName]; |
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if (object && [PithosUtilities isContentTypeDirectory:object.contentType]) {
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folder = [Folder folderWithObject:object]; |
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} else {
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folder = [Folder folder]; |
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folder.name = folderName; |
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folder.metadata = [NSMutableDictionary dictionary]; |
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} |
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folder.parent = self; |
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folder.objects = [folderedFiles objectForKey:folderName]; |
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[self.folders setObject:folder forKey:folder.name]; |
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} |
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objects = [files retain]; |
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[sortedContentsByName release]; |
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sortedContentsByName = nil; |
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[sortedContentsByDate release]; |
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sortedContentsByDate = nil; |
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} |
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} |
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- (NSArray *)sortedContentsByName {
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if (!sortedContentsByName) {
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NSMutableArray *contents = [[NSMutableArray alloc] initWithArray:[self.folders allValues]]; |
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[contents addObjectsFromArray:[self.objects allValues]]; |
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sortedContentsByName = [[NSArray alloc] initWithArray:[contents sortedArrayUsingSelector:@selector(compareByName:)]]; |
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} |
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return sortedContentsByName; |
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} |
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- (NSArray *)sortedContentsByDate {
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if (!sortedContentsByDate) {
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NSMutableArray *contents = [[NSMutableArray alloc] initWithArray:[self.folders allValues]]; |
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[contents addObjectsFromArray:[self.objects allValues]]; |
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sortedContentsByDate = [[NSArray alloc] initWithArray:[contents sortedArrayUsingSelector:@selector(compareByDate:)]]; |
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} |
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return sortedContentsByDate; |
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} |
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- (NSUInteger)objectsAndFoldersCount {
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return (self.objects.count + self.folders.count); |
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} |
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#pragma mark - Actions |
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- (NSArray *)sortedContentsUsingFilter:(NSString *)filter scope:(NSString *)scope |
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sortType:(NSString *)sortType sortDirection:(NSString *)sortDirection {
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NSArray *sortedContents = nil; |
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if ([sortType isEqualToString:@"date"]) {
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sortedContents = self.sortedContentsByDate; |
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} else {
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sortedContents = self.sortedContentsByName; |
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} |
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if ([sortDirection isEqualToString:@"Z-A"]) {
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sortedContents = [[sortedContents reverseObjectEnumerator] allObjects]; |
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} |
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if (!filter || !filter.length) {
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return sortedContents; |
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} |
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return [sortedContents objectsAtIndexes: |
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[[NSIndexSet indexSetWithIndexesInRange:NSMakeRange(0, sortedContents.count)] indexesPassingTest:^(NSUInteger idx, BOOL *stop) {
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id item = [sortedContents objectAtIndex:idx]; |
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if ([scope isEqualToString:@"name"] || [scope isEqualToString:@"all"]) {
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NSString *itemName = [item name]; |
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if (itemName) {
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NSUInteger nameLocation = [itemName rangeOfString:filter |
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options:NSCaseInsensitiveSearch|NSDiacriticInsensitiveSearch].location; |
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if (nameLocation != NSNotFound) |
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return YES; |
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} |
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} |
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if ([scope isEqualToString:@"date"] || [scope isEqualToString:@"all"]) {
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NSString *itemDate = [item lastModifiedString]; |
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if (itemDate) {
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NSUInteger dateLocation = [itemDate rangeOfString:filter |
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options:NSCaseInsensitiveSearch|NSDiacriticInsensitiveSearch].location; |
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if (dateLocation != NSNotFound) |
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return YES; |
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} |
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} |
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if ([scope isEqualToString:@"type"] || [scope isEqualToString:@"all"]) {
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NSString *itemType = [item contentType]; |
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if (itemType) {
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NSUInteger typeLocation = [itemType rangeOfString:filter |
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options:NSCaseInsensitiveSearch|NSDiacriticInsensitiveSearch].location; |
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if (typeLocation != NSNotFound) |
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return YES; |
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} |
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} |
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// Consider searching additional metadata when the scope is all |
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return NO; |
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}]]; |
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} |
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- (NSString *)fullPath {
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if (self.parent) {
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return [[self.parent fullPath] stringByAppendingFormat:@"/%@", self.name]; |
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} else if (self.name) {
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return self.name; |
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} else {
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return @""; |
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} |
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} |
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- (void)addFolder:(Folder *)aFolder {
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[self.folders setObject:aFolder forKey:aFolder.name]; |
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[sortedContentsByName release]; |
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sortedContentsByName = nil; |
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[sortedContentsByDate release]; |
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sortedContentsByDate = nil; |
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} |
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- (void)addObject:(StorageObject *)anObject {
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[self.objects setObject:anObject forKey:anObject.name]; |
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[sortedContentsByName release]; |
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sortedContentsByName = nil; |
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[sortedContentsByDate release]; |
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sortedContentsByDate = nil; |
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} |
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- (void)removeFolder:(Folder *)aFolder {
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if ([self.folders objectForKey:aFolder.name]) {
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[self.folders removeObjectForKey:aFolder.name]; |
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[sortedContentsByName release]; |
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sortedContentsByName = nil; |
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[sortedContentsByDate release]; |
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sortedContentsByDate = nil; |
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} |
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} |
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- (void)removeObject:(StorageObject *)anObject {
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if ([self.objects objectForKey:anObject.name]) {
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[self.objects removeObjectForKey:anObject.name]; |
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[sortedContentsByName release]; |
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sortedContentsByName = nil; |
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[sortedContentsByDate release]; |
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sortedContentsByDate = nil; |
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} |
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} |
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@end |