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| // | ||
| // GNFileSystemItem.h | ||
| // | ||
| // Based on code examples in NSOutlineView documentation. | ||
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| #import <Cocoa/Cocoa.h> | ||
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| @interface GNFileSystemItem : NSObject | ||
| { | ||
| NSString *relativePath; | ||
| GNFileSystemItem *parent; | ||
| NSMutableArray *children; | ||
| NSImage *image; | ||
| } | ||
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| + (GNFileSystemItem *)rootItem; | ||
| + (NSString *)repoRoot; | ||
| - (int)numberOfChildren;// Returns -1 for leaf nodes | ||
| - (GNFileSystemItem *)childAtIndex:(int)n;// Invalid to call on leaf nodes | ||
| - (NSString *)fullPath; | ||
| - (NSString *)relativePath; | ||
| - (void)setRelativePath:(NSString *)aString; | ||
| - (NSImage*)icon; | ||
| - (BOOL)isLeafNode; | ||
| - (NSDictionary*)attributes; | ||
| - (BOOL)isHeading; | ||
| - (BOOL)ignoredByGit:(NSString *)fileItem; | ||
| @end |
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| // | ||
| // GNFileSystemItem.m | ||
| // | ||
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| #import "GNFileSystemItem.h" | ||
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| @implementation GNFileSystemItem | ||
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| static GNFileSystemItem *rootItem = nil; | ||
| #define IsALeafNode ((id)-1) | ||
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| - (id)initWithPath:(NSString *)path parent:(GNFileSystemItem *)obj | ||
| { | ||
| if (self = [super init]) | ||
| { | ||
| relativePath = [[path lastPathComponent] copy]; | ||
| parent = obj; | ||
| } | ||
| return self; | ||
| } | ||
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| + (GNFileSystemItem *)rootItem | ||
| { | ||
| if (rootItem == nil) | ||
| { | ||
| rootItem = [[GNFileSystemItem alloc] initWithPath:[GNFileSystemItem repoRoot] parent:nil]; | ||
| } | ||
| return rootItem; | ||
| } | ||
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| + (NSString *)repoRoot { | ||
| return [[[NSApplication sharedApplication] delegate] repository_location]; | ||
| } | ||
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| // - (BOOL)ignoredByGit:(NSString *)fileItem | ||
| // { | ||
| // NSString *format; | ||
| // if([[self fullPath] hasSuffix:@"/"]) | ||
| // format = @"%@%@"; | ||
| // else | ||
| // format = @"%@/%@"; | ||
| // | ||
| // NSString *file = [NSString stringWithFormat:format, [self fullPath], fileItem]; | ||
| // | ||
| // BOOL ignored = [[[NSApplication sharedApplication] delegate] is_file_ignored:file]; | ||
| // return !ignored; | ||
| // } | ||
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| // Creates, caches, and returns the array of children | ||
| // Loads children incrementally | ||
| - (NSArray *)children | ||
| { | ||
| if (children == NULL) | ||
| { | ||
| NSFileManager *fileManager = [NSFileManager defaultManager]; | ||
| NSString *fullPath = [self fullPath]; | ||
| BOOL isDir, valid = [fileManager fileExistsAtPath:fullPath isDirectory:&isDir]; | ||
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| if (valid && isDir) | ||
| { | ||
| NSArray *array = [fileManager directoryContentsAtPath:fullPath]; | ||
| int numChildren = [array count]; | ||
| children = [[NSMutableArray alloc] initWithCapacity:numChildren]; | ||
| for (NSString *sourceFile in array) | ||
| { | ||
| if([[sourceFile lastPathComponent] hasPrefix:@"."]) { | ||
| continue; | ||
| } | ||
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| // if([self ignoredByGit:sourceFile]) { | ||
| // continue; | ||
| // } | ||
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| GNFileSystemItem *newChild = [[GNFileSystemItem alloc] initWithPath:sourceFile parent:self]; | ||
| [children addObject:newChild]; | ||
| [newChild release]; | ||
| } | ||
| } | ||
| else | ||
| { | ||
| children = IsALeafNode; | ||
| } | ||
| } | ||
| return children; | ||
| } | ||
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| - (NSImage*)icon | ||
| { | ||
| if (image == nil) | ||
| { | ||
| image = [[[NSWorkspace sharedWorkspace] iconForFile: [self fullPath]] retain]; | ||
| } | ||
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| return image; | ||
| } | ||
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| - (NSDictionary*)attributes | ||
| { | ||
| return [NSDictionary dictionaryWithDictionary: [[NSFileManager defaultManager] fileAttributesAtPath: [self fullPath] traverseLink: YES]]; | ||
| } | ||
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| - (NSString *)relativePath | ||
| { | ||
| return relativePath; | ||
| } | ||
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| - (void)setRelativePath:(NSString *)aString | ||
| { | ||
| if (aString != relativePath) | ||
| { | ||
| [relativePath release]; | ||
| [relativePath = aString copy]; | ||
| } | ||
| } | ||
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| - (NSString *)fullPath | ||
| { | ||
| // If no parent, return our own relative path | ||
| if (parent == nil) { | ||
| return [GNFileSystemItem repoRoot]; | ||
| } | ||
| // recurse up the hierarchy, prepending each parent’s path | ||
| return [[parent fullPath] stringByAppendingPathComponent:relativePath]; | ||
| } | ||
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| - (GNFileSystemItem *)childAtIndex:(int)n | ||
| { | ||
| return [[self children] objectAtIndex:n]; | ||
| } | ||
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| - (BOOL)isLeafNode | ||
| { | ||
| return [self children] == IsALeafNode; | ||
| } | ||
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| - (int)numberOfChildren | ||
| { | ||
| id tmp = [self children]; | ||
| return (tmp == IsALeafNode) ? (-1) : [tmp count]; | ||
| } | ||
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| - (BOOL)isHeading | ||
| { | ||
| return [[self fullPath] isEqualToString:[GNFileSystemItem repoRoot]]; | ||
| } | ||
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| - (void)dealloc | ||
| { | ||
| [image release]; | ||
| if (children != IsALeafNode) [children release]; | ||
| [relativePath release]; | ||
| [super dealloc]; | ||
| } | ||
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| @end |
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| #import <Cocoa/Cocoa.h> | ||
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| @interface GNTreeDataSource : NSObject | ||
| @end |
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| Original file line number | Diff line number | Diff line change |
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| #import "GNTreeDataSource.h" | ||
| #import "GNFileSystemItem.h" | ||
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| @implementation GNTreeDataSource | ||
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| // Data Source methods | ||
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| - (NSInteger)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item { | ||
| return (item == nil) ? 1 : [item numberOfChildren]; | ||
| } | ||
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| - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item { | ||
| return (item == nil) ? YES : ([item numberOfChildren] != -1); | ||
| } | ||
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| - (id)outlineView:(NSOutlineView *)outlineView child:(NSInteger)index ofItem:(id)item { | ||
| return (item == nil) ? [GNFileSystemItem rootItem] : [(GNFileSystemItem *)item childAtIndex:index]; | ||
| } | ||
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| - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item { | ||
| return (item == nil) ? @"/" : (id)[item relativePath]; | ||
| } | ||
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| - (NSImage *)outlineView: (NSOutlineView *)outlineView iconOfItem: (id)item | ||
| { | ||
| // Note: -observedObject is needed here due to use of Bindings and the | ||
| // mess surrounding NSTreeController (described at the URL above). | ||
| // If you avoid Bindings and use a normal dataSource, you can simply | ||
| // return [item icon] here, as the actual item will be passed in. | ||
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| return [item icon]; | ||
| } | ||
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| // Delegate methods | ||
| - (BOOL)outlineView:(NSOutlineView *)sender isGroupItem:(id)item { | ||
| return [item isHeading]; | ||
| } | ||
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| - (void)outlineView:(NSOutlineView *)sender willDisplayCell:(id)cell forTableColumn:(NSTableColumn *)tableColumn item:(id)item { | ||
| if ([item isHeading]) { | ||
| NSMutableAttributedString *newTitle = [[cell attributedStringValue] mutableCopy]; | ||
| [newTitle replaceCharactersInRange:NSMakeRange(0,[newTitle length]) withString:[[newTitle string] uppercaseString]]; | ||
| [cell setAttributedStringValue:newTitle]; | ||
| [newTitle release]; | ||
| } | ||
| } | ||
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| - (NSCell *)outlineView:(NSOutlineView *)sender dataCellForTableColumn:(id)cell item:(id)item | ||
| { | ||
| if([item isHeading]) | ||
| return [[[NSTextFieldCell alloc] init] autorelease]; | ||
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| return nil; | ||
| } | ||
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| - (BOOL)outlineView:(NSOutlineView *)outlineView shouldSelectItem:(id)item | ||
| { | ||
| BOOL isDir; | ||
| [[NSFileManager defaultManager] fileExistsAtPath:[item fullPath] isDirectory:&isDir]; | ||
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| if([item isHeading] || isDir) | ||
| return NO; | ||
|
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| return YES; | ||
| } | ||
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| @end | ||
|
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