cog/FileTree/FileTreeDataSource.m

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2007-10-18 02:52:03 +00:00
//
// FileTreeDataSource.m
// Cog
//
// Created by Vincent Spader on 10/14/07.
// Copyright 2007 __MyCompanyName__. All rights reserved.
//
#import "FileTreeDataSource.h"
#import "DNDArrayController.h"
#import "DirectoryNode.h"
#import "PathWatcher.h"
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#import "Logging.h"
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@implementation FileTreeDataSource
+ (void)initialize
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{
NSMutableDictionary *userDefaultsValuesDict = [NSMutableDictionary dictionary];
[userDefaultsValuesDict setObject:[[NSURL fileURLWithPath:[@"~/Music" stringByExpandingTildeInPath]] absoluteString] forKey:@"fileTreeRootURL"];
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[[NSUserDefaults standardUserDefaults] registerDefaults:userDefaultsValuesDict];
}
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- (void)awakeFromNib
{
[[NSUserDefaultsController sharedUserDefaultsController] addObserver:self forKeyPath:@"values.fileTreeRootURL" options:0 context:nil];
[self setRootURL: [NSURL URLWithString:[[[NSUserDefaultsController sharedUserDefaultsController] defaults] objectForKey:@"fileTreeRootURL"]]];
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[pathControl setTarget:self];
[pathControl setAction:@selector(pathControlAction:)];
}
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- (void) observeValueForKeyPath:(NSString *)keyPath
ofObject:(id)object
change:(NSDictionary *)change
context:(void *)context
{
DLog(@"File tree root URL: %@\n", [[[NSUserDefaultsController sharedUserDefaultsController] defaults] objectForKey:@"fileTreeRootURL"]);
if ([keyPath isEqualToString:@"values.fileTreeRootURL"]) {
[self setRootURL:[NSURL URLWithString:[[[NSUserDefaultsController sharedUserDefaultsController] defaults] objectForKey:@"fileTreeRootURL"]]];
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}
}
- (void)changeURL:(NSURL *)url
{
if (url != nil)
{
[[[NSUserDefaultsController sharedUserDefaultsController] defaults] setObject:[url absoluteString] forKey:@"fileTreeRootURL"];
}
}
- (void)pathControlAction:(id)sender
{
if ([pathControl clickedPathComponentCell] != nil && [[pathControl clickedPathComponentCell] URL] != nil)
{
[self changeURL:[[pathControl clickedPathComponentCell] URL]];
}
}
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- (NSURL *)rootURL
{
return [rootNode URL];
}
- (void)setRootURL: (NSURL *)rootURL
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{
if (![[NSFileManager defaultManager] fileExistsAtPath:[rootURL path]])
rootURL = [NSURL fileURLWithPath:[@"~/Music" stringByExpandingTildeInPath]];
rootNode = [[DirectoryNode alloc] initWithDataSource:self url:rootURL];
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[watcher setPath:[rootURL path]];
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[self reloadPathNode:rootNode];
}
- (PathNode *)nodeForPath:(NSString *)path
{
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NSString *relativePath = [[path stringByReplacingOccurrencesOfString:[[[self rootURL] path] stringByAppendingString:@"/"]
withString:@""
options:NSAnchoredSearch
range:NSMakeRange(0, [path length])
] stringByStandardizingPath];
PathNode *node = rootNode;
DLog(@"Root | Relative | Path: %@ | %@ | %@",[[self rootURL] path], relativePath, path);
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for (NSString *c in [relativePath pathComponents])
{
DLog(@"COMPONENT: %@", c);
BOOL found = NO;
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for (PathNode *subnode in [node subpaths]) {
if ([[[[subnode URL] path] lastPathComponent] isEqualToString:c]) {
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node = subnode;
found = YES;
}
}
if (!found)
{
DLog(@"Not found!");
return nil;
}
}
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return node;
}
- (void)pathDidChange:(NSString *)path
{
DLog(@"PATH DID CHANGE: %@", path);
//Need to find the corresponding node...and call [node reloadPath], then [self reloadPathNode:node]
PathNode *node = [self nodeForPath:path];
DLog(@"NODE IS: %@", node);
[node updatePath];
[self reloadPathNode:node];
}
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- (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
{
PathNode *n = (item == nil ? rootNode : item);
return [[n subpaths] count];
}
- (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item
{
PathNode *n = (item == nil ? rootNode : item);
return ([n isLeaf] == NO);
}
- (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
{
PathNode *n = (item == nil ? rootNode : item);
return [[n subpaths] objectAtIndex:index];
}
- (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
{
PathNode *n = (item == nil ? rootNode : item);
return n;
}
//Drag it drop it
- (BOOL)outlineView:(NSOutlineView *)outlineView writeItems:(NSArray*)items toPasteboard:(NSPasteboard*)pboard {
//Get selected paths
NSMutableArray *urls = [NSMutableArray arrayWithCapacity:[items count]];
NSMutableArray *paths = [NSMutableArray arrayWithCapacity:[items count]];
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for (id p in items) {
[urls addObject:[p URL]];
[paths addObject:[[p URL] path]];
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}
DLog(@"Paths: %@", paths);
[pboard declareTypes:[NSArray arrayWithObjects:CogUrlsPboardType,nil] owner:nil]; //add it to pboard
[pboard setData:[NSArchiver archivedDataWithRootObject:urls] forType:CogUrlsPboardType];
[pboard addTypes:[NSArray arrayWithObject:NSFilenamesPboardType] owner:self];
[pboard setPropertyList:paths forType:NSFilenamesPboardType];
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return YES;
}
- (void)reloadPathNode:(PathNode *)item
{
if (item == rootNode)
{
[outlineView reloadData];
}
else
{
[outlineView reloadItem:item reloadChildren:YES];
}
}
@end