Allow double click to open file

PBDetailController.h

@@ -13,6 +13,8 @@
 @interface PBDetailController : NSObject {
 	IBOutlet NSNumber* selectedTab;
 	IBOutlet NSArrayController* commitController;
+	IBOutlet NSTreeController* treeController;
+	IBOutlet NSOutlineView* fileBrowser;
 
 	PBGitTree* gitTree;
 	PBGitCommit* webCommit;
@@ -29,4 +31,6 @@
 - (IBAction) setRawView: sender;
 - (IBAction) setTreeView: sender;
 
+- (IBAction) openSelectedFile: sender;
+
 @end

PBDetailController.m

@@ -15,6 +15,8 @@
 
 - awakeFromNib
 {
+	[fileBrowser setTarget:self];
+	[fileBrowser setDoubleAction:@selector(openSelectedFile:)];
 	self.selectedTab = [NSNumber numberWithInt:0];
 	[commitController addObserver:self forKeyPath:@"selection" options:(NSKeyValueObservingOptionNew,NSKeyValueObservingOptionOld) context:@"commitChange"];
 
@@ -61,6 +63,16 @@
 	}
 }
 
+- (IBAction) openSelectedFile: sender
+{
+	NSArray* selectedFiles = [treeController selectedObjects];
+	if ([selectedFiles count] == 0)
+		return;
+	PBGitTree* tree = [selectedFiles objectAtIndex:0];
+	NSString* name = [tree tmpFileNameForContents];
+	[[NSWorkspace sharedWorkspace] openTempFile:name];
+}
+
 - (IBAction) setDetailedView: sender {
 	self.selectedTab = [NSNumber numberWithInt:0];
 }

PBEasyPipe.h

@@ -19,4 +19,5 @@
 + (NSString*) outputForCommand: (NSString*) cmd withArgs: (NSArray*) args;
 + (NSString*) outputForCommand: (NSString*) cmd withArgs: (NSArray*) args inDir: (NSString*) dir;
 
++ (NSString*) writeData:(NSData*) data toTempFileWithName: (NSString *) fileName;
 @end

PBEasyPipe.m

@@ -50,4 +50,16 @@
 {
 	return [self outputForCommand:cmd withArgs:args inDir:nil];
 }
+
++ (NSString*) writeData:(NSData*) data toTempFileWithName: (NSString *) fileName
+{
+	NSString* newName = [NSString stringWithFormat: @"%@/XXXXXX%@", NSTemporaryDirectory(), fileName];
+	char *template = (char*) [newName fileSystemRepresentation];
+	int fd = mkstemps(template, [fileName length]);
+	NSFileHandle* handle = [[NSFileHandle alloc] initWithFileDescriptor:fd];
+	[handle writeData: data];
+	[handle closeFile];
+	return [NSString stringWithUTF8String:template];
+}
+
 @end

PBGitTree.h

@@ -21,6 +21,8 @@
 + (PBGitTree*) rootForCommit: (id) commit;
 + (PBGitTree*) treeForTree: (PBGitTree*) tree andPath: (NSString*) path;
 
+- (NSString*) tmpFileNameForContents;
+
 @property(copy) NSString* sha;
 @property(copy) NSString* path;
 @property(assign) BOOL leaf;

PBGitTree.m

@@ -9,6 +9,7 @@
 #import "PBGitTree.h"
 #import "PBGitCommit.h"
 #import "NSFileHandleExt.h"
+#import "PBEasyPipe.h"
 
 @implementation PBGitTree
 
@@ -59,6 +60,15 @@
 	return string;
 }
 
+- (NSString*) tmpFileNameForContents
+{
+	if (!leaf)
+		return nil;
+	NSFileHandle* handle = [repository handleForArguments:[NSArray arrayWithObjects:@"show", [self refSpec], nil]];
+	NSData* data = [handle readDataToEndOfFile];
+	return [PBEasyPipe writeData:data toTempFileWithName:path];
+}
+
 - (NSArray*) children
 {
 	if (children != nil)