cog/FileTree/FileTreeDataSource.m

172 lines
5.5 KiB
Objective-C

//
// FileTreeDataSource.m
// Cog
//
// Created by Vincent Spader on 10/14/07.
// Copyright 2007 __MyCompanyName__. All rights reserved.
//
#import "FileTreeDataSource.h"
#import "DirectoryNode.h"
#import "PathWatcher.h"
#import "Logging.h"
static NSURL *defaultMusicDirectory(void) {
return [[NSFileManager defaultManager] URLForDirectory:NSMusicDirectory
inDomain:NSUserDomainMask
appropriateForURL:nil
create:NO
error:nil];
}
@interface FileTreeDataSource()
@property NSURL *rootURL;
@end
@implementation FileTreeDataSource {
PathNode *rootNode;
}
+ (void)initialize {
NSString *path = [defaultMusicDirectory() absoluteString];
NSDictionary *userDefaultsValuesDict = @{@"fileTreeRootURL": path};
[[NSUserDefaults standardUserDefaults] registerDefaults:userDefaultsValuesDict];
}
- (void)awakeFromNib {
[self.pathControl setTarget:self];
[self.pathControl setAction:@selector(pathControlAction:)];
[[NSUserDefaultsController sharedUserDefaultsController] addObserver:self
forKeyPath:@"values.fileTreeRootURL"
options:NSKeyValueObservingOptionNew |
NSKeyValueObservingOptionInitial
context:nil];
}
- (void)observeValueForKeyPath:(NSString *)keyPath
ofObject:(id)object
change:(NSDictionary *)change
context:(void *)context {
if ([keyPath isEqualToString:@"values.fileTreeRootURL"]) {
NSString *url =
[[[NSUserDefaultsController sharedUserDefaultsController] defaults] objectForKey:@"fileTreeRootURL"];
DLog(@"File tree root URL: %@\n", url);
self.rootURL = [NSURL URLWithString:url];
}
}
- (void)changeURL:(NSURL *)url {
if (url != nil) {
[[[NSUserDefaultsController sharedUserDefaultsController] defaults] setObject:[url absoluteString]
forKey:@"fileTreeRootURL"];
}
}
- (void)pathControlAction:(id)sender {
NSPathControlItem *item = [self.pathControl clickedPathItem];
if (item != nil && item.URL != nil) {
[self changeURL:item.URL];
}
}
- (NSURL *)rootURL {
return [rootNode URL];
}
- (void)setRootURL:(NSURL *)rootURL {
if (![[NSFileManager defaultManager] fileExistsAtPath:[rootURL path]]) {
rootURL = defaultMusicDirectory();
}
rootNode = [[DirectoryNode alloc] initWithDataSource:self url:rootURL];
[self.watcher setPath:[rootURL path]];
[self reloadPathNode:rootNode];
}
- (PathNode *)nodeForPath:(NSString *)path {
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);
for (NSString *c in [relativePath pathComponents]) {
DLog(@"COMPONENT: %@", c);
BOOL found = NO;
for (PathNode *subnode in [node subpaths]) {
if ([[[[subnode URL] path] lastPathComponent] isEqualToString:c]) {
node = subnode;
found = YES;
}
}
if (!found) {
DLog(@"Not found!");
return nil;
}
}
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];
}
- (NSInteger)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item {
PathNode *n = (item == nil ? rootNode : item);
return (int) [[n subpaths] count];
}
- (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
PathNode *n = (item == nil ? rootNode : item);
return ![n isLeaf];
}
- (id)outlineView:(NSOutlineView *)outlineView child:(NSInteger)index ofItem:(id)item {
PathNode *n = (item == nil ? rootNode : item);
return [n subpaths][(NSUInteger) index];
}
- (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item {
PathNode *n = (item == nil ? rootNode : item);
return n;
}
- (id <NSPasteboardWriting>)outlineView:(NSOutlineView *)outlineView pasteboardWriterForItem:(id)item {
NSPasteboardItem *paste = [[NSPasteboardItem alloc] init];
if (@available(macOS 10.13, *)) {
[paste setData:[[item URL] dataRepresentation] forType:NSPasteboardTypeFileURL];
}
else {
[paste setPropertyList:@[[item URL]] forType:NSFilenamesPboardType];
}
return paste;
}
- (void)reloadPathNode:(PathNode *)item {
if (item == rootNode) {
[self.outlineView reloadData];
} else {
[self.outlineView reloadItem:item reloadChildren:YES];
}
}
@end