source: trunk/SapphireVirtualDirectory.m @ 301

//
//  SapphireVirtualDirectory.m
//  Sapphire
//
//  Created by Graham Booker on 11/18/07.
//  Copyright 2007 __MyCompanyName__. All rights reserved.
//

#import "SapphireVirtualDirectory.h"


@interface SapphireDirectoryMetaData (privateFunctions)
- (id)initWithDictionary:(NSDictionary *)dict parent:(SapphireMetaData *)myParent path:(NSString *)myPath;
@end

@implementation SapphireVirtualDirectory
- (id)initWithParent:(SapphireVirtualDirectory *)myParent path:(NSString *)myPath
{
        self = [super initWithDictionary:nil parent:myParent path:myPath];
        if(self == nil)
                return nil;
        
        directory = [[NSMutableDictionary alloc] init];
        reloadTimer = nil;
        scannedDirectory = YES;
        
        return self;
}

- (void) dealloc
{
        [directory release];
        [reloadTimer invalidate];
        [super dealloc];
}

- (void)reloadDirectoryContents
{
        [files removeAllObjects];
        [directories removeAllObjects];
        [metaFiles removeAllObjects];
        [metaDirs removeAllObjects];
        [cachedMetaFiles removeAllObjects];
        [cachedMetaDirs removeAllObjects];
        [reloadTimer invalidate];
        reloadTimer = nil;
}

- (void)setReloadTimer
{
        [reloadTimer invalidate];
        reloadTimer = [NSTimer scheduledTimerWithTimeInterval:0 target:self selector:@selector(reloadDirectoryContents) userInfo:nil repeats:NO];
}

- (void)processFile:(SapphireFileMetaData *)file
{
}

- (void)removeFile:(SapphireFileMetaData *)file
{
}

- (void)childDisplayChanged
{
        /*The way the timings work out, if the timer exists already, it is more efficient to leave it set rather than set a new one*/
        if(reloadTimer == nil)
                [self setReloadTimer];
}

- (NSMutableDictionary *)directoryEntries
{
        NSMutableDictionary *ret = [NSMutableDictionary dictionary];
        NSEnumerator *pathEnum = [directory keyEnumerator];
        NSString *subPath = nil;
        while((subPath = [pathEnum nextObject]) != nil)
        {
                SapphireMetaData *data = [directory objectForKey:subPath];
                if([data isKindOfClass:[SapphireVirtualDirectory class]])
                        [ret setObject:[(SapphireVirtualDirectory *)data directoryEntries] forKey:subPath];
                else
                        [ret setObject:[data path] forKey:subPath];
        }
        return ret;
}

- (void)writeToFile:(NSString *)filePath
{
        NSMutableDictionary *fileData = [self directoryEntries];
        [fileData writeToFile:filePath  atomically:YES];
}

- (BOOL)isDisplayEmpty
{
        return [files count] == 0 && [directories count] == 0;
}

- (BOOL)isEmpty
{
        return [directory count] == 0;
}

@end