working

PBGitHistoryController.h

@@ -57,6 +57,7 @@
 }
 
 @property (readonly) NSTreeController* treeController;
+@property (readonly) PBCollapsibleSplitView *historySplitView;
 @property (assign) int selectedCommitDetailsIndex;
 @property (retain) PBGitCommit *webCommit;
 @property (retain) PBGitTree* gitTree;

PBGitHistoryController.m

@@ -48,6 +48,7 @@
 @synthesize searchController;
 @synthesize commitList;
 @synthesize treeController;
+@synthesize historySplitView;
 
 - (void)awakeFromNib
 {

PBGitWindowController.h

@@ -9,6 +9,9 @@
 #import <Cocoa/Cocoa.h>
 #import "PBGitRepository.h"
 
+#define kGitSplitViewMinWidth 150.0f
+#define kGitSplitViewMaxWidth 300.0f
+
 @class PBViewController, PBGitSidebarController, PBGitCommitController;
 
 @interface PBGitWindowController : NSWindowController {
@@ -39,6 +42,7 @@
 - (void)showMessageSheet:(NSString *)messageText infoText:(NSString *)infoText;
 - (void)showErrorSheet:(NSError *)error;
 - (void)showErrorSheetTitle:(NSString *)title message:(NSString *)message arguments:(NSArray *)arguments output:(NSString *)output;
+- (void)collapseSplitView:(NSSplitView *)sp show:(BOOL)show;
 
 - (IBAction) showCommitView:(id)sender;
 - (IBAction) showHistoryView:(id)sender;

PBGitWindowController.m

@@ -217,16 +217,38 @@
 
 - (IBAction) changeLayout:(id)sender{
 	NSLog(@"selectedSegment=%ld (%d)",[sender selectedSegment],[sender isSelectedForSegment:[sender selectedSegment]]);
+	NSSplitView *sp=nil;
+	switch ([sender selectedSegment]) {
+		case 0:
+			sp=splitView;
+			break;
+		case 1:
+			sp=[[sidebarController historyViewController] historySplitView];
+			break;
+	}
+	NSLog(@"sp=%@",sp);
+	if(sp!=nil)	{
+		[self collapseSplitView:sp show:[sender isSelectedForSegment:[sender selectedSegment]]];	
+	}
 }
 
+- (void)collapseSplitView:(NSSplitView *)sp show:(BOOL)show{
+	NSView *clipview = [[sp subviews] objectAtIndex:0];
+	NSRect clipFrame = [clipview frame];
+
+	if ([sp isVertical]) {
+		clipFrame.size.width = kGitSplitViewMinWidth * show;
+	}else{
+		clipFrame.size.height = kGitSplitViewMinWidth * show;
+	}
+	[clipview setFrame:clipFrame];
+	[sp adjustSubviews];
+}
 
 
 #pragma mark -
 #pragma mark SplitView Delegates
 
-#define kGitSplitViewMinWidth 150.0f
-#define kGitSplitViewMaxWidth 300.0f
-
 #pragma mark min/max widths while moving the divider
 
 - (CGFloat)splitView:(NSSplitView *)view constrainMinCoordinate:(CGFloat)proposedMin ofSubviewAt:(NSInteger)dividerIndex