cog/FileDrawer/SmartFolderNode.m

98 lines
2.2 KiB
Objective-C

//
// SmartFolderNode.m
// Cog
//
// Created by Vincent Spader on 9/25/06.
// Copyright 2006 __MyCompanyName__. All rights reserved.
//
#import "SmartFolderNode.h"
#import "DirectoryNode.h"
#import "FileNode.h"
#import "FileTreeDataSource.h"
@implementation SmartFolderNode
- (BOOL)isLeaf
{
return NO;
}
- (void)updatePath
{
NSDictionary *doc = [NSDictionary dictionaryWithContentsOfFile:[url path]];
NSString *rawQuery = [doc objectForKey:@"RawQuery"];
NSArray *searchPaths = [[doc objectForKey:@"SearchCriteria"] objectForKey:@"CurrentFolderPath"];
// Ugh, Carbon from now on...
MDQueryRef query = MDQueryCreate(kCFAllocatorDefault, (CFStringRef)rawQuery, NULL, NULL);
MDQuerySetSearchScope(query, (CFArrayRef)searchPaths, 0);
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(queryFinished:) name:(NSString*)kMDQueryDidFinishNotification object:(id)query];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(queryUpdate:) name:(NSString*)kMDQueryDidUpdateNotification object:(id)query];
NSLog(@"Making query!");
MDQueryExecute(query, kMDQueryWantsUpdates);
//Note: This is asynchronous!
}
- (void)setSubpaths:(id)s
{
[s retain];
[subpaths release];
subpaths = s;
}
- (unsigned int)countOfSubpaths
{
return [[self subpaths] count];
}
- (PathNode *)objectInSubpathsAtIndex:(unsigned int)index
{
return [[self subpaths] objectAtIndex:index];
}
- (void)queryFinished:(NSNotification *)notification
{
NSLog(@"Query finished!");
MDQueryRef query = (MDQueryRef)[notification object];
NSMutableArray *results = [NSMutableArray array];
MDQueryDisableUpdates(query);
int c = MDQueryGetResultCount(query);
int i;
for (i = 0; i < c; i++)
{
MDItemRef item = (MDItemRef)MDQueryGetResultAtIndex(query, i);
NSString *itemPath = (NSString*)MDItemCopyAttribute(item, kMDItemPath);
[results addObject:itemPath];
[itemPath release];
}
MDQueryEnableUpdates(query);
NSLog(@"Query update!");
[self processPaths:[results sortedArrayUsingSelector:@selector(caseInsensitiveCompare:)]];
[dataSource reloadPathNode:self];
}
- (void)queryUpdate:(NSNotification *)notification
{
NSLog(@"Query update!");
[self queryFinished: notification];
}
@end