- Changed the way the BWToolkit framework was included to allow modifications to be made easily.

- Fixed show/hide info pane toggle button image states to now show correctly

1 files changed, 1433 insertions, 0 deletions

diff --git a/Frameworks/BWToolkitFramework.framework/BWSplitView.m b/Frameworks/BWToolkitFramework.framework/BWSplitView.m
new file mode 100644
index 00000000..f5c3d089
--- /dev/null
+++ b/Frameworks/BWToolkitFramework.framework/BWSplitView.m
@@ -0,0 +1,1433 @@
+//
+//  BWSplitView.m
+//  BWToolkit
+//
+//  Created by Brandon Walkin (www.brandonwalkin.com) and Fraser Kuyvenhoven.
+//  All code is provided under the New BSD license.
+//
+
+#import "BWSplitView.h"
+#import "NSColor+BWAdditions.h"
+#import "NSEvent+BWAdditions.h"
+
+static NSGradient *gradient;
+static NSImage *dimpleImageBitmap, *dimpleImageVector;
+static NSColor *borderColor, *gradientStartColor, *gradientEndColor;
+static float scaleFactor = 1.0f;
+
+#define dimpleDimension 4.0f
+
+#define RESIZE_DEBUG_LOGS 0
+
+@interface BWSplitView (BWSVPrivate)
+
+- (void)drawDimpleInRect:(NSRect)aRect;
+- (void)drawGradientDividerInRect:(NSRect)aRect;
+- (int)resizableSubviews;
+- (BOOL)subviewIsResizable:(NSView *)subview;
+
+- (BOOL)subviewIsCollapsible:(NSView *)subview;
+- (BOOL)subviewIsCollapsed:(NSView *)subview;
+- (int)collapsibleSubviewIndex;
+- (NSView *)collapsibleSubview;
+- (BOOL)hasCollapsibleSubview;
+- (BOOL)collapsibleSubviewIsCollapsed;
+
+- (CGFloat)subviewMinimumSize:(int)subviewIndex;
+- (CGFloat)subviewMaximumSize:(int)subviewIndex;
+
+- (void)recalculatePreferredProportionsAndSizes;
+- (BOOL)validatePreferredProportionsAndSizes;
+- (void)validateAndCalculatePreferredProportionsAndSizes;
+- (void)clearPreferredProportionsAndSizes;
+
+- (void)resizeAndAdjustSubviews;
+
+@end
+
+@interface BWSplitView ()
+@property BOOL checkboxIsEnabled;
+@end
+
+@implementation BWSplitView
+
+@synthesize color, colorIsEnabled, checkboxIsEnabled, minValues, maxValues, minUnits, maxUnits, collapsiblePopupSelection, dividerCanCollapse, collapsibleSubviewCollapsed;
+@synthesize resizableSubviewPreferredProportion, nonresizableSubviewPreferredSize, stateForLastPreferredCalculations;
+@synthesize toggleCollapseButton;
+
++ (void)initialize;
+{
+    borderColor        = [[NSColor colorWithCalibratedWhite:(165.0f / 255.0f) alpha:1] retain];
+    gradientStartColor = [[NSColor colorWithCalibratedWhite:(253.0f / 255.0f) alpha:1] retain];
+    gradientEndColor   = [[NSColor colorWithCalibratedWhite:(222.0f / 255.0f) alpha:1] retain];
+
+    gradient           = [[NSGradient alloc] initWithStartingColor:gradientStartColor endingColor:gradientEndColor];
+
+	NSBundle *bundle = [NSBundle bundleForClass:[BWSplitView class]];
+	dimpleImageBitmap  = [[NSImage alloc] initWithContentsOfFile:[bundle pathForImageResource:@"GradientSplitViewDimpleBitmap.tif"]];
+	dimpleImageVector  = [[NSImage alloc] initWithContentsOfFile:[bundle pathForImageResource:@"GradientSplitViewDimpleVector.pdf"]];
+    [dimpleImageBitmap setFlipped:YES];
+	[dimpleImageVector setFlipped:YES];
+}
+
+- (id)initWithCoder:(NSCoder *)decoder;
+{
+    if ((self = [super initWithCoder:decoder]) != nil)
+	{
+		[self setColor:[decoder decodeObjectForKey:@"BWSVColor"]];
+		[self setColorIsEnabled:[decoder decodeBoolForKey:@"BWSVColorIsEnabled"]];
+		[self setMinValues:[decoder decodeObjectForKey:@"BWSVMinValues"]];
+		[self setMaxValues:[decoder decodeObjectForKey:@"BWSVMaxValues"]];
+		[self setMinUnits:[decoder decodeObjectForKey:@"BWSVMinUnits"]];
+		[self setMaxUnits:[decoder decodeObjectForKey:@"BWSVMaxUnits"]];
+		[self setCollapsiblePopupSelection:[decoder decodeIntForKey:@"BWSVCollapsiblePopupSelection"]];
+		[self setDividerCanCollapse:[decoder decodeBoolForKey:@"BWSVDividerCanCollapse"]];
+		
+		// Delegate set in nib has been decoded, but we want that to be the secondary delegate
+		[self setDelegate:[super delegate]];
+		[super setDelegate:self];
+	}
+	return self;
+}
+
+- (void)encodeWithCoder:(NSCoder*)coder
+{
+	// Temporarily change delegate
+	[super setDelegate:secondaryDelegate];
+	
+    [super encodeWithCoder:coder];
+	
+	[coder encodeObject:[self color] forKey:@"BWSVColor"];
+	[coder encodeBool:[self colorIsEnabled] forKey:@"BWSVColorIsEnabled"];
+	[coder encodeObject:[self minValues] forKey:@"BWSVMinValues"];
+	[coder encodeObject:[self maxValues] forKey:@"BWSVMaxValues"];
+	[coder encodeObject:[self minUnits] forKey:@"BWSVMinUnits"];
+	[coder encodeObject:[self maxUnits] forKey:@"BWSVMaxUnits"];
+	[coder encodeInt:[self collapsiblePopupSelection] forKey:@"BWSVCollapsiblePopupSelection"];
+	[coder encodeBool:[self dividerCanCollapse] forKey:@"BWSVDividerCanCollapse"];
+	
+	// Set delegate back
+	[self setDelegate:[super delegate]];
+	[super setDelegate:self];
+}
+
+- (void)awakeFromNib
+{
+	scaleFactor = [[NSScreen mainScreen] userSpaceScaleFactor];
+}
+
+- (void)drawDividerInRect:(NSRect)aRect
+{	
+    if ([self isVertical])
+    {
+		aRect.size.width = [self dividerThickness];
+		
+		if (colorIsEnabled && color != nil)
+			[color drawSwatchInRect:aRect];
+		else
+			[super drawDividerInRect:aRect];
+    }
+	else
+	{
+		aRect.size.height = [self dividerThickness];
+		
+		if ([self dividerThickness] <= 1.01)
+		{
+			if (colorIsEnabled && color != nil)
+				[color drawSwatchInRect:aRect];
+			else
+				[super drawDividerInRect:aRect];
+		}
+		else
+		{
+			[self drawGradientDividerInRect:aRect];
+		}
+	}
+}
+
+- (void)drawGradientDividerInRect:(NSRect)aRect
+{	
+	aRect = [self centerScanRect:aRect];
+
+	// Draw gradient
+	NSRect gradRect = NSMakeRect(aRect.origin.x,aRect.origin.y + 1 / scaleFactor,aRect.size.width,aRect.size.height - 1 / scaleFactor);
+	[gradient drawInRect:gradRect angle:90];
+	
+	// Draw top and bottom borders
+	[borderColor drawPixelThickLineAtPosition:0 withInset:0 inRect:aRect inView:self horizontal:YES flip:NO];
+	[borderColor drawPixelThickLineAtPosition:0 withInset:0 inRect:aRect inView:self horizontal:YES flip:YES];
+	
+	[self drawDimpleInRect:aRect];
+}
+
+- (void)drawDimpleInRect:(NSRect)aRect
+{
+    float startY = aRect.origin.y + roundf((aRect.size.height / 2) - (dimpleDimension / 2));
+    float startX = aRect.origin.x + roundf((aRect.size.width / 2) - (dimpleDimension / 2));
+    NSRect destRect = NSMakeRect(startX,startY,dimpleDimension,dimpleDimension);
+	
+	// Draw at pixel bounds 
+	destRect = [self convertRectToBase:destRect];
+	destRect.origin.x = floor(destRect.origin.x);
+	
+	double param, fractPart, intPart;
+	param = destRect.origin.y;
+	fractPart = modf(param, &intPart);
+	if (fractPart < 0.99)
+		destRect.origin.y = floor(destRect.origin.y);
+	destRect = [self convertRectFromBase:destRect];
+	
+	if (scaleFactor == 1)
+	{
+		NSRect dimpleRect = NSMakeRect(0,0,dimpleDimension,dimpleDimension);
+		[dimpleImageBitmap drawInRect:destRect fromRect:dimpleRect operation:NSCompositeSourceOver fraction:1];
+	}
+    else
+	{
+		NSRect dimpleRect = NSMakeRect(0,0,[dimpleImageVector size].width,[dimpleImageVector size].height);
+		[dimpleImageVector drawInRect:destRect fromRect:dimpleRect operation:NSCompositeSourceOver fraction:1];
+	}
+}
+
+- (CGFloat)dividerThickness
+{
+	float thickness;
+	
+    if ([self isVertical])
+	{
+		thickness = 1;
+	}
+	else
+	{
+		if ([super dividerThickness] < 1.01)
+			thickness = 1;
+		else
+			thickness = 10;
+	}
+	
+    return thickness;
+}
+
+- (void)setDelegate:(id)anObj
+{
+	if (secondaryDelegate != self)
+		secondaryDelegate = anObj;
+	else
+		secondaryDelegate = nil;
+}
+
+- (BOOL)subviewIsCollapsible:(NSView *)subview;
+{
+	// check if this is the collapsible subview
+	int subviewIndex = [[self subviews] indexOfObject:subview];
+	
+	BOOL isCollapsibleSubview = (([self collapsiblePopupSelection] == 1 && subviewIndex == 0) || ([self collapsiblePopupSelection] == 2 && subviewIndex == [[self subviews] count] - 1));
+	
+	return isCollapsibleSubview;
+}
+
+- (BOOL)subviewIsCollapsed:(NSView *)subview;
+{
+	BOOL isCollapsibleSubview = [self subviewIsCollapsible:subview];
+	
+	return [super isSubviewCollapsed:subview] || (isCollapsibleSubview && collapsibleSubviewCollapsed);
+}
+
+- (BOOL)collapsibleSubviewIsCollapsed;
+{
+	return [self subviewIsCollapsed:[self collapsibleSubview]];
+}
+
+- (int)collapsibleSubviewIndex;
+{
+	switch ([self collapsiblePopupSelection]) {
+		case 1:
+			return 0;
+			break;
+		case 2:
+			return [[self subviews] count] - 1;
+			break;
+		default:
+			return -1;
+			break;
+	}
+}
+
+- (NSView *)collapsibleSubview;
+{
+	int index = [self collapsibleSubviewIndex];
+	
+	if (index >= 0)
+		return [[self subviews] objectAtIndex:index];
+	else
+		return nil;
+}
+
+- (BOOL)hasCollapsibleSubview;
+{
+	return [self collapsiblePopupSelection] != 0;
+}
+
+// This is done to support the use of Core Animation to collapse subviews
+- (void)adjustSubviews
+{
+	[super adjustSubviews];
+	[[self window] invalidateCursorRectsForView:self];
+}
+
+- (void)setCollapsibleSubviewCollapsedHelper:(NSNumber *)flag
+{
+	[self setCollapsibleSubviewCollapsed:[flag boolValue]];
+}
+
+- (void)animationEnded
+{
+	isAnimating = NO;
+}
+
+- (float)animationDuration
+{
+	if ([NSEvent shiftKeyIsDown])
+		return 2.0;
+	
+	return 0.25;
+}
+
+- (BOOL)hasCollapsibleDivider
+{
+	if ([self hasCollapsibleSubview] && (dividerCanCollapse || [self dividerThickness] < 1.01))
+		return YES;
+	
+	return NO;
+}
+
+- (int)collapsibleDividerIndex
+{
+	if ([self hasCollapsibleDivider])
+	{
+		if ([self collapsiblePopupSelection] == 1)
+			return 0;
+		else if ([self collapsiblePopupSelection] == 2)
+			return [self subviews].count - 2;
+	}
+	
+	return -1;
+}
+
+- (void)setCollapsibleSubviewCollapsed:(BOOL)flag
+{
+	collapsibleSubviewCollapsed = flag;
+
+	if (flag)
+		[[self toggleCollapseButton] setState:0];
+	else
+		[[self toggleCollapseButton] setState:1];	
+}
+
+- (void)setMinSizeForCollapsibleSubview:(NSNumber *)minSize
+{
+	if ([self hasCollapsibleSubview])
+	{
+		NSMutableDictionary *tempMinValues = [[self minValues] mutableCopy];
+		[tempMinValues setObject:minSize forKey:[NSNumber numberWithInt:[[self subviews] indexOfObject:[self collapsibleSubview]]]];
+		[self setMinValues:tempMinValues];
+	}
+}
+
+- (void)removeMinSizeForCollapsibleSubview
+{
+	if ([self hasCollapsibleSubview])
+	{
+		NSMutableDictionary *tempMinValues = [[self minValues] mutableCopy];
+		[tempMinValues removeObjectForKey:[NSNumber numberWithInt:[[self subviews] indexOfObject:[self collapsibleSubview]]]];
+		[self setMinValues:tempMinValues];
+	}
+}
+
+- (IBAction)toggleCollapse:(id)sender
+{
+	if ([self respondsToSelector:@selector(ibDidAddToDesignableDocument:)])
+		return;
+	
+	if ([self hasCollapsibleSubview] == NO || [self collapsibleSubview] == nil)
+		return;
+	
+	if (isAnimating)
+		return;
+	
+	
+	// Check to see if the collapsible subview has a minimum width/height and record it.
+	// We'll later remove the min size temporarily while animating and then restore it.
+	BOOL hasMinSize = NO;
+	NSNumber *minSize = [minValues objectForKey:[NSNumber numberWithInt:[[self subviews] indexOfObject:[self collapsibleSubview]]]];
+	minSize = [[minSize copy] autorelease];
+	
+	if (minSize != nil || [minSize intValue] != 0)
+		hasMinSize = YES;
+	
+	
+	// Get a reference to the button and modify its behavior
+	if ([self toggleCollapseButton] == nil)
+	{
+		[self setToggleCollapseButton:sender];
+
+		[[toggleCollapseButton cell] setHighlightsBy:NSPushInCellMask];
+		[[toggleCollapseButton cell] setShowsStateBy:NSContentsCellMask];
+	}
+	
+	
+	// Temporary: For simplicty, there should only be 1 subview other than the collapsible subview that's resizable for the collapse to happen
+	NSView *resizableSubview = nil;
+	
+	for (NSView *subview in [self subviews])
+	{
+		if ([self subviewIsResizable:subview] && subview != [self collapsibleSubview])
+		{
+			resizableSubview = subview;
+		}
+			
+	}
+	
+	if (resizableSubview == nil)
+		return;
+	
+	
+	// Get the thickness of the collapsible divider. If the divider cannot collapse, we set it to 0 so it doesn't affect our calculations.
+	float collapsibleDividerThickness = [self dividerThickness];
+	
+	if ([self hasCollapsibleDivider] == NO)
+		collapsibleDividerThickness = 0;
+	
+	
+	if ([self isVertical])
+	{
+		float constantHeight = [self collapsibleSubview].frame.size.height;
+		
+		if ([self collapsibleSubviewCollapsed] == NO)
+		{
+			uncollapsedSize = [self collapsibleSubview].frame.size.width;
+			
+			if (hasMinSize)
+				[self removeMinSizeForCollapsibleSubview];
+			
+			[NSAnimationContext beginGrouping];
+			[[NSAnimationContext currentContext] setDuration:([self animationDuration])];			
+			[[[self collapsibleSubview] animator] setFrameSize:NSMakeSize(0.0, constantHeight)];
+			[[resizableSubview animator] setFrameSize:NSMakeSize(resizableSubview.frame.size.width + uncollapsedSize + collapsibleDividerThickness, constantHeight)];
+			[NSAnimationContext endGrouping];
+			
+			if (hasMinSize)
+				[self performSelector:@selector(setMinSizeForCollapsibleSubview:) withObject:minSize afterDelay:[self animationDuration]];
+			
+			[self performSelector:@selector(setCollapsibleSubviewCollapsedHelper:) withObject:[NSNumber numberWithBool:YES] afterDelay:[self animationDuration]];
+		}
+		else
+		{
+			if (hasMinSize)
+				[self removeMinSizeForCollapsibleSubview];
+			
+			[NSAnimationContext beginGrouping];
+			[[NSAnimationContext currentContext] setDuration:([self animationDuration])];
+			[[[self collapsibleSubview] animator] setFrameSize:NSMakeSize(uncollapsedSize, constantHeight)];
+			[[resizableSubview animator] setFrameSize:NSMakeSize(resizableSubview.frame.size.width - uncollapsedSize - collapsibleDividerThickness, constantHeight)];
+			[NSAnimationContext endGrouping];
+	
+			if (hasMinSize)
+				[self performSelector:@selector(setMinSizeForCollapsibleSubview:) withObject:minSize afterDelay:[self animationDuration]];
+			
+			[self setCollapsibleSubviewCollapsed:NO];
+		}
+	}
+	else
+	{
+		float constantWidth = [self collapsibleSubview].frame.size.width;
+		
+		if ([self collapsibleSubviewCollapsed] == NO)
+		{
+			uncollapsedSize = [self collapsibleSubview].frame.size.height;
+			
+			if (hasMinSize)
+				[self removeMinSizeForCollapsibleSubview];
+			
+			[NSAnimationContext beginGrouping];
+			[[NSAnimationContext currentContext] setDuration:([self animationDuration])];			
+			[[[self collapsibleSubview] animator] setFrameSize:NSMakeSize(constantWidth, 0.0)];
+			[[resizableSubview animator] setFrameSize:NSMakeSize(constantWidth, resizableSubview.frame.size.height + uncollapsedSize + collapsibleDividerThickness)];
+			[NSAnimationContext endGrouping];
+			
+			if (hasMinSize)
+				[self performSelector:@selector(setMinSizeForCollapsibleSubview:) withObject:minSize afterDelay:[self animationDuration]];
+			
+			[self performSelector:@selector(setCollapsibleSubviewCollapsedHelper:) withObject:[NSNumber numberWithBool:YES] afterDelay:[self animationDuration]];
+		}
+		else
+		{
+			if (hasMinSize)
+				[self removeMinSizeForCollapsibleSubview];
+			
+			[NSAnimationContext beginGrouping];
+			[[NSAnimationContext currentContext] setDuration:([self animationDuration])];
+			[[[self collapsibleSubview] animator] setFrameSize:NSMakeSize(constantWidth, uncollapsedSize)];
+			[[resizableSubview animator] setFrameSize:NSMakeSize(constantWidth, resizableSubview.frame.size.height - uncollapsedSize - collapsibleDividerThickness)];
+			[NSAnimationContext endGrouping];
+			
+			if (hasMinSize)
+				[self performSelector:@selector(setMinSizeForCollapsibleSubview:) withObject:minSize afterDelay:[self animationDuration]];
+			
+			[self setCollapsibleSubviewCollapsed:NO];
+		}
+	}
+	
+	isAnimating = YES;
+	[self performSelector:@selector(animationEnded) withObject:nil afterDelay:[self animationDuration]];
+	
+	[self performSelector:@selector(resizeAndAdjustSubviews) withObject:nil afterDelay:[self animationDuration]];
+}
+
+#pragma mark NSSplitView Delegate Methods
+
+- (BOOL)splitView:(NSSplitView *)splitView shouldHideDividerAtIndex:(NSInteger)dividerIndex
+{
+	if ([secondaryDelegate respondsToSelector:@selector(splitView:shouldHideDividerAtIndex:)])
+		return [secondaryDelegate splitView:splitView shouldHideDividerAtIndex:dividerIndex];
+	
+	if ([self respondsToSelector:@selector(ibDidAddToDesignableDocument:)] == NO)
+	{
+		if ([self hasCollapsibleDivider] && [self collapsibleDividerIndex] == dividerIndex)
+		{
+			[self setDividerCanCollapse:YES];
+			return YES;
+		}
+	}
+
+	return NO;
+}
+
+- (NSRect)splitView:(NSSplitView *)splitView additionalEffectiveRectOfDividerAtIndex:(NSInteger)dividerIndex
+{
+	if ([secondaryDelegate respondsToSelector:@selector(splitView:additionalEffectiveRectOfDividerAtIndex:)])
+		return [secondaryDelegate splitView:splitView additionalEffectiveRectOfDividerAtIndex:dividerIndex];
+	
+	return NSZeroRect;
+}
+
+- (BOOL)splitView:(NSSplitView *)sender canCollapseSubview:(NSView *)subview
+{
+	if ([secondaryDelegate respondsToSelector:@selector(splitView:canCollapseSubview:)])
+		return [secondaryDelegate splitView:sender canCollapseSubview:subview];
+	
+	int subviewIndex = [[self subviews] indexOfObject:subview];
+	
+	if ([self respondsToSelector:@selector(ibDidAddToDesignableDocument:)] == NO)
+	{
+		if ([self collapsiblePopupSelection] == 1 && subviewIndex == 0)
+			return YES;
+		else if ([self collapsiblePopupSelection] == 2 && subviewIndex == [[self subviews] count] - 1)
+			return YES;
+	}
+	
+	return NO;
+}
+
+- (BOOL)splitView:(NSSplitView *)splitView shouldCollapseSubview:(NSView *)subview forDoubleClickOnDividerAtIndex:(NSInteger)dividerIndex
+{
+	if ([secondaryDelegate respondsToSelector:@selector(splitView:shouldCollapseSubview:forDoubleClickOnDividerAtIndex:)])
+		return [secondaryDelegate splitView:splitView shouldCollapseSubview:subview forDoubleClickOnDividerAtIndex:dividerIndex];
+	
+	int subviewIndex = [[self subviews] indexOfObject:subview];
+	
+	if ([self respondsToSelector:@selector(ibDidAddToDesignableDocument:)] == NO)
+	{
+		if (([self collapsiblePopupSelection] == 1 && subviewIndex == 0 && dividerIndex == 0) ||
+			([self collapsiblePopupSelection] == 2 && subviewIndex == [[self subviews] count] - 1 && dividerIndex == [[splitView subviews] count] - 2))
+		{
+			[self setCollapsibleSubviewCollapsed:YES];
+			
+			// Cause the collapse ourselves by calling the resize method
+			[self resizeAndAdjustSubviews];
+			[self setNeedsDisplay:YES];
+			
+			// Since we manually did the resize above, we pretend that we don't want to collapse
+			return NO;
+		}
+	}
+	
+	return NO;
+}
+
+- (CGFloat)splitView:(NSSplitView *)sender constrainMaxCoordinate:(CGFloat)proposedMax ofSubviewAt:(NSInteger)offset
+{
+	if ([secondaryDelegate respondsToSelector:@selector(splitView:constrainMaxCoordinate:ofSubviewAt:)])
+		return [secondaryDelegate splitView:sender constrainMaxCoordinate:proposedMax ofSubviewAt:offset];
+	
+	// Max coordinate depends on max of subview offset, and the min of subview offset + 1
+	CGFloat newMaxFromThisSubview = proposedMax;
+	CGFloat newMaxFromNextSubview = proposedMax;
+	
+	// Max from this subview
+	CGFloat maxValue = [self subviewMaximumSize:offset];
+	if (maxValue != FLT_MAX)
+	{
+		NSView *subview = [[self subviews] objectAtIndex:offset];
+		CGFloat originCoord = [self isVertical] ? [subview frame].origin.x : [subview frame].origin.y;
+		
+		newMaxFromThisSubview = originCoord + maxValue;
+	}
+	
+	// Max from the next subview
+	int nextOffset = offset + 1;
+	if ([[self subviews] count] > nextOffset)
+	{
+		CGFloat minValue = [self subviewMinimumSize:nextOffset];
+		if (minValue != 0)
+		{
+			NSView *subview = [[self subviews] objectAtIndex:nextOffset];
+			CGFloat endCoord = [self isVertical] ? [subview frame].origin.x + [subview frame].size.width : [subview frame].origin.y + [subview frame].size.height;
+			
+			newMaxFromNextSubview = endCoord - minValue - [self dividerThickness];
+			// This could cause trouble when over constrained (TODO)
+		}
+	}
+	
+	CGFloat newMax = fminf(newMaxFromThisSubview, newMaxFromNextSubview);
+	
+	if (newMax < proposedMax)
+		return newMax;
+	
+	return proposedMax;
+}
+
+- (CGFloat)splitView:(NSSplitView *)sender constrainMinCoordinate:(CGFloat)proposedMin ofSubviewAt:(NSInteger)offset
+{
+	if ([secondaryDelegate respondsToSelector:@selector(splitView:constrainMinCoordinate:ofSubviewAt:)])
+		return [secondaryDelegate splitView:sender constrainMinCoordinate:proposedMin ofSubviewAt:offset];
+	
+	// Min coordinate depends on min of subview offset and the max of subview offset + 1
+	CGFloat newMinFromThisSubview = proposedMin;
+	CGFloat newMaxFromNextSubview = proposedMin;
+	
+	// Min from this subview
+	CGFloat minValue = [self subviewMinimumSize:offset];
+	if (minValue != 0)
+	{
+		NSView *subview = [[self subviews] objectAtIndex:offset];
+		CGFloat originCoord = [self isVertical] ? [subview frame].origin.x : [subview frame].origin.y;
+		
+		newMinFromThisSubview = originCoord + minValue;
+	}
+	
+	// Min from the next subview
+	int nextOffset = offset + 1;
+	if ([[self subviews] count] > nextOffset)
+	{
+		CGFloat maxValue = [self subviewMaximumSize:nextOffset];
+		if (maxValue != FLT_MAX)
+		{
+			NSView *subview = [[self subviews] objectAtIndex:nextOffset];
+			CGFloat endCoord = [self isVertical] ? [subview frame].origin.x + [subview frame].size.width : [subview frame].origin.y + [subview frame].size.height;
+			
+			newMaxFromNextSubview = endCoord - maxValue - [self dividerThickness];
+			// This could cause trouble when over constrained (TODO)
+		}
+	}
+	
+	CGFloat newMin = fmaxf(newMinFromThisSubview, newMaxFromNextSubview);
+	
+	if (newMin > proposedMin)
+		return newMin;
+	
+	return proposedMin;
+}
+
+- (CGFloat)splitView:(NSSplitView *)sender constrainSplitPosition:(CGFloat)proposedPosition ofSubviewAt:(NSInteger)offset
+{
+	[self clearPreferredProportionsAndSizes];
+	
+	if ([self respondsToSelector:@selector(ibDidAddToDesignableDocument:)])
+		return proposedPosition;	
+	
+	if ([secondaryDelegate respondsToSelector:@selector(splitView:constrainSplitPosition:ofSubviewAt:)])
+		return [secondaryDelegate splitView:sender constrainSplitPosition:proposedPosition ofSubviewAt:offset];
+	
+	return proposedPosition;
+}
+
+- (NSRect)splitView:(NSSplitView *)splitView effectiveRect:(NSRect)proposedEffectiveRect forDrawnRect:(NSRect)drawnRect ofDividerAtIndex:(NSInteger)dividerIndex
+{
+	if ([secondaryDelegate respondsToSelector:@selector(splitView:effectiveRect:forDrawnRect:ofDividerAtIndex:)])
+		return [secondaryDelegate splitView:splitView effectiveRect:proposedEffectiveRect forDrawnRect:drawnRect ofDividerAtIndex:dividerIndex];
+	
+	return proposedEffectiveRect;
+}
+
+- (void)splitViewDidResizeSubviews:(NSNotification *)aNotification
+{
+	if (collapsibleSubviewCollapsed && ([self isVertical] ? [[self collapsibleSubview] frame].size.width > 0 : [[self collapsibleSubview] frame].size.height > 0))
+	{
+		[self setCollapsibleSubviewCollapsed:NO];
+
+		[self resizeAndAdjustSubviews];
+	}
+	else if (!collapsibleSubviewCollapsed && ([self isVertical] ? [[self collapsibleSubview] frame].size.width < 0.1 : [[self collapsibleSubview] frame].size.height < 0.1))
+	{
+		[self setCollapsibleSubviewCollapsed:YES];
+
+		[self resizeAndAdjustSubviews];
+	}
+	else if ([self collapsibleSubviewIsCollapsed])
+	{
+		[self resizeAndAdjustSubviews];
+	}
+	
+	[self setNeedsDisplay:YES];
+}
+
+#pragma mark - Resize Subviews Delegate Method and Helper Methods
+
+- (int)resizableSubviews
+{
+	int resizableSubviews = 0;
+	
+	for (NSView *subview in [self subviews])
+	{
+		if ([self subviewIsResizable:subview])
+			resizableSubviews++;
+	}
+	
+	return resizableSubviews;
+}
+
+- (BOOL)subviewIsResizable:(NSView *)subview
+{
+	if ([self isVertical] && [subview autoresizingMask] & NSViewWidthSizable)
+		return YES;
+	
+	if (![self isVertical] && [subview autoresizingMask] & NSViewHeightSizable)
+		return YES;
+	
+	return NO;
+}
+
+- (CGFloat)subviewMinimumSize:(int)subviewIndex;
+{
+	NSNumber *minNum = [minValues objectForKey:[NSNumber numberWithInt:subviewIndex]];
+	if (!minNum)
+		return 0;
+	
+	int units = 0;
+	NSNumber *unitsNum = [minUnits objectForKey:[NSNumber numberWithInt:subviewIndex]];
+	if (unitsNum)
+		units = [unitsNum intValue];
+	
+	CGFloat min = [minNum floatValue];
+	
+	switch (units)
+	{
+		case 1:
+		{
+			// Percent
+			CGFloat dividerThicknessTotal = [self dividerThickness] * ([[self subviews] count] - 1);
+			CGFloat totalSize = [self isVertical] ? [self frame].size.width : [self frame].size.height;
+			totalSize -= dividerThicknessTotal;
+			
+			return roundf((min / 100.0) * totalSize);
+			break;
+		}
+		case 0:
+		default:
+		{
+			// Points
+			return min;
+			break;
+		}
+	}
+}
+
+- (CGFloat)subviewMaximumSize:(int)subviewIndex;
+{
+	NSNumber *maxNum = [maxValues objectForKey:[NSNumber numberWithInt:subviewIndex]];
+	if (!maxNum)
+		return FLT_MAX;
+	
+	int units = 0;
+	NSNumber *unitsNum = [maxUnits objectForKey:[NSNumber numberWithInt:subviewIndex]];
+	if (unitsNum)
+		units = [unitsNum intValue];
+	
+	CGFloat max = [maxNum floatValue];
+	
+	switch (units)
+	{
+		case 1:
+		{
+			// Percent
+			CGFloat dividerThicknessTotal = [self dividerThickness] * ([[self subviews] count] - 1);
+			CGFloat totalSize = [self isVertical] ? [self frame].size.width : [self frame].size.height;
+			totalSize -= dividerThicknessTotal;
+			
+			return roundf((max / 100.0) * totalSize);
+			break;
+		}
+		case 0:
+		default:
+		{
+			// Points
+			return max;
+			break;
+		}
+	}
+}
+
+// PREFERRED PROPORTIONS AND SIZES
+//
+// Preferred proportions (for resizable)
+// Need to store resizable subviews preferred proportions for calculating new sizes
+//
+// Preferred sizes (for non-resizable)
+// If a non-resizable subview is ever forced larger or smaller than it prefers, we need to know it's preferred size
+//
+// Need to recalculate both of the above whenever a divider is moved, or a subview is added/removed or changed between resizable/non-resizable
+
+- (void)recalculatePreferredProportionsAndSizes;
+{
+	NSMutableArray *stateArray = [NSMutableArray arrayWithCapacity:[[self subviews] count]];
+	
+	NSMutableDictionary *preferredProportions = [NSMutableDictionary dictionary];
+	NSMutableDictionary *preferredSizes = [NSMutableDictionary dictionary];
+	
+	// Total is only the sum of resizable subviews
+	CGFloat resizableTotal = 0;
+	
+	// Calculate resizable total
+	for (NSView *subview in [self subviews])
+	{
+		if ([self subviewIsResizable:subview])
+			resizableTotal += [self isVertical] ? [subview frame].size.width : [subview frame].size.height;
+	}
+	
+	// Calculate resizable preferred propotions and set non-resizable preferred sizes
+	for (NSView *subview in [self subviews])
+	{
+		int index = [[self subviews] indexOfObject:subview];
+		
+		if ([self subviewIsResizable:subview])
+		{
+			CGFloat size = [self isVertical] ? [subview frame].size.width : [subview frame].size.height;
+			CGFloat proportion = (resizableTotal > 0) ? (size / resizableTotal) : 0;
+			
+			[preferredProportions setObject:[NSNumber numberWithFloat:proportion]
+									 forKey:[NSNumber numberWithInt:index]];
+			
+			[stateArray addObject:[NSNumber numberWithBool:YES]];
+		}
+		else
+		{
+			CGFloat size = [self isVertical] ? [subview frame].size.width : [subview frame].size.height;
+			
+			[preferredSizes setObject:[NSNumber numberWithFloat:size]
+							   forKey:[NSNumber numberWithInt:index]];
+			
+			[stateArray addObject:[NSNumber numberWithBool:NO]];
+		}
+	}
+	
+	[self setResizableSubviewPreferredProportion:preferredProportions];
+	[self setNonresizableSubviewPreferredSize:preferredSizes];
+	
+	if (RESIZE_DEBUG_LOGS) NSLog(@"resizableSubviewPreferredProportion: %@", resizableSubviewPreferredProportion);
+	if (RESIZE_DEBUG_LOGS) NSLog(@"nonresizableSubviewPreferredSize: %@", nonresizableSubviewPreferredSize);
+	
+	// Remember state to know when to recalculate	
+	[self setStateForLastPreferredCalculations:stateArray];
+	if (RESIZE_DEBUG_LOGS) NSLog(@"stateForLastPreferredCalculations: %@", stateForLastPreferredCalculations);
+}
+
+// Checks if the number or type of subviews has changed since we last recalculated
+- (BOOL)validatePreferredProportionsAndSizes;
+{
+	if (RESIZE_DEBUG_LOGS) NSLog(@"validating preferred proportions and sizes");
+	
+	// Check if we even have saved proportions and sizes
+	if (![self resizableSubviewPreferredProportion] || ![self nonresizableSubviewPreferredSize])
+		return NO;
+	
+	// Check if number of items has changed
+	if ([[self subviews] count] != [[self stateForLastPreferredCalculations] count])
+		return NO;
+	
+	// Check if any of the subviews have changed between resizable and non-resizable
+	for (NSView *subview in [self subviews])
+	{
+		int index = [[self subviews] indexOfObject:subview];
+		
+		if ([self subviewIsResizable:subview] != [[[self stateForLastPreferredCalculations] objectAtIndex:index] boolValue])
+			return NO;
+	}
+	
+	return YES;
+}
+
+- (void)correctCollapsiblePreferredProportionOrSize;
+{
+	// TODO: Assuming that the collapsible subview does not change between resizable and non-resizable while collapsed
+	
+	if (![self hasCollapsibleSubview])
+		return;
+	
+	NSMutableDictionary *preferredProportions = [[self resizableSubviewPreferredProportion] mutableCopy];
+	NSMutableDictionary *preferredSizes = [[self nonresizableSubviewPreferredSize] mutableCopy];
+	
+	NSNumber *key = [NSNumber numberWithInt:[self collapsibleSubviewIndex]];
+	NSView *subview = [self collapsibleSubview];
+	
+	// If the collapsible subview is collapsed, we put aside its preferred propotion/size
+	if ([self subviewIsCollapsed:subview])
+	{
+		BOOL resizable = [self subviewIsResizable:subview];
+		
+		if (!resizable)
+		{
+			NSNumber *sizeNum = [preferredSizes objectForKey:key];
+			if (sizeNum)
+			{
+				if (RESIZE_DEBUG_LOGS) NSLog(@"removing collapsible view from preferred sizes");
+				
+				// TODO: Save the size for later
+				
+				// Remove from preferred sizes
+				[preferredSizes removeObjectForKey:key];
+			}
+		}
+		else
+		{
+			NSNumber *proportionNum = [preferredProportions objectForKey:key];
+			if (proportionNum)
+			{
+				if (RESIZE_DEBUG_LOGS) NSLog(@"removing collapsible view from preferred proportions");
+				
+				CGFloat proportion = [proportionNum floatValue];
+				
+				// TODO: Save the proportion for later
+				
+				// Remove from preferred proportions
+				[preferredProportions removeObjectForKey:key];
+				
+				// Recalculate other proportions
+				CGFloat proportionTotal = 1.0 - proportion;
+				if (proportionTotal > 0)
+				{
+					for (NSNumber *pkey in [preferredProportions allKeys])
+					{
+						CGFloat oldProportion = [[preferredProportions objectForKey:pkey] floatValue];
+						CGFloat newPropotion = oldProportion / proportionTotal;
+						
+						[preferredProportions setObject:[NSNumber numberWithFloat:newPropotion] forKey:pkey];
+					}
+				}
+			}
+		}
+		
+		[self setResizableSubviewPreferredProportion:preferredProportions];
+		[self setNonresizableSubviewPreferredSize:preferredSizes];
+	}
+	else // Otherwise, we reintegrate its preferred proportion/size
+	{
+		[self clearPreferredProportionsAndSizes];
+		[self recalculatePreferredProportionsAndSizes];
+	}
+}
+
+- (void)validateAndCalculatePreferredProportionsAndSizes;
+{
+	if (![self validatePreferredProportionsAndSizes])
+		[self recalculatePreferredProportionsAndSizes];		
+	
+	// Need to make sure the collapsed subviews preferred size/proportion is in the right place
+	[self correctCollapsiblePreferredProportionOrSize];
+}
+
+
+- (void)clearPreferredProportionsAndSizes;
+{
+	if (RESIZE_DEBUG_LOGS) NSLog(@"clearing preferred proportions and sizes");
+	
+	[self setResizableSubviewPreferredProportion:nil];
+	[self setNonresizableSubviewPreferredSize:nil];
+}
+
+// RESIZING ALGORITHM
+
+// non-resizable subviews are given preferred size
+// overall remaining size is calculated
+// resizable subviews are calculated based on remaining size and preferred proportions
+// resizable subviews are checked for min/max constraint violations
+//    if violating constraint, set to valid size and remove from resizable subviews
+//    recalculate other resizable subviews and repeat
+// if all resizable subviews reached constraints without meeting target size, need to resize non-resizable views
+// non-resizable subviews are adjusted proportionally to meet target size
+// non-resizable subviews are checked for min/max constraint violations
+//    if violating constraint, set to valid size and remove from non-resizable subviews
+//    recalculate other non-resizable subviews and repeat
+// if all subviews reached constraints without meeting target size, need to adjust all views to fit
+// proportionally resize all subviews to fit in target size, ignoring min/max constraints
+
+- (void)resizeAndAdjustSubviews;
+{
+	// Temporary: for now, we will just remember the proportions the first time subviews are resized
+	// we should be remember them in the user defaults so they save across quits (TODO)
+	
+	[self validateAndCalculatePreferredProportionsAndSizes];
+	
+	if (RESIZE_DEBUG_LOGS) NSLog(@"resizeSubviews begins -----------------------------------------------------");
+	
+	NSMutableDictionary *newSubviewSizes = [NSMutableDictionary dictionaryWithCapacity:[[self subviews] count]];
+	
+	// Get new total size
+	CGFloat totalAvailableSize = [self isVertical] ? [self frame].size.width : [self frame].size.height;
+	if (RESIZE_DEBUG_LOGS) NSLog(@"totalAvailableSize: %f", totalAvailableSize);
+	
+	// Calculate non-resizable subviews total
+	CGFloat nonresizableSubviewsTotalPreferredSize = 0;
+	for (NSNumber *size in [nonresizableSubviewPreferredSize allValues])
+		nonresizableSubviewsTotalPreferredSize += [size floatValue];
+	if (RESIZE_DEBUG_LOGS) NSLog(@"nonresizableSubviewsTotalPreferredSize: %f", nonresizableSubviewsTotalPreferredSize);
+	
+	// Calculate divider thickness total
+	int dividerCount = [[self subviews] count] - 1;
+	if ([self collapsibleSubviewIsCollapsed] && dividerCanCollapse) dividerCount--;
+	CGFloat dividerThicknessTotal = [self dividerThickness] * dividerCount;		
+	if (RESIZE_DEBUG_LOGS) NSLog(@"dividerThicknessTotal: %f", dividerThicknessTotal);
+	
+	// Calculate overall remaining size (could be negative)
+	CGFloat resizableSubviewsTotalAvailableSize = totalAvailableSize - nonresizableSubviewsTotalPreferredSize - dividerThicknessTotal;
+	if (RESIZE_DEBUG_LOGS) NSLog(@"resizableSubviewsTotalAvailableSize: %f", resizableSubviewsTotalAvailableSize);
+	
+	// Special case for the collapsible subview
+	if ([self collapsibleSubviewIsCollapsed])
+	{
+		[newSubviewSizes setObject:[NSNumber numberWithFloat:0.0]
+							forKey:[NSNumber numberWithInt:[self collapsibleSubviewIndex]]];
+	}
+	
+	// Set non-resizable subviews to preferred size
+	[newSubviewSizes addEntriesFromDictionary:nonresizableSubviewPreferredSize];
+	
+	// Set sizes of resizable views based on proportions (could be negative)
+	CGFloat resizableSubviewAvailableSizeUsed = 0;
+	int resizableSubviewCounter = 0;
+	int resizableSubviewCount = [resizableSubviewPreferredProportion count];
+	for (NSNumber *key in [resizableSubviewPreferredProportion allKeys])
+	{
+		resizableSubviewCounter++;
+		
+		CGFloat proportion = [[resizableSubviewPreferredProportion objectForKey:key] floatValue];
+		CGFloat size = roundf(proportion * resizableSubviewsTotalAvailableSize);
+		resizableSubviewAvailableSizeUsed += size;
+		
+		if (resizableSubviewCounter == resizableSubviewCount)
+		{
+			// Make adjustment if necessary
+			size += (resizableSubviewsTotalAvailableSize - resizableSubviewAvailableSizeUsed);
+		}
+		
+		[newSubviewSizes setObject:[NSNumber numberWithFloat:size] forKey:key];
+	}
+	if (RESIZE_DEBUG_LOGS) NSLog(@"newSubviewSizes after resizable proportional resizing: %@", newSubviewSizes);
+	
+	// TODO: Could add a special case for resizableSubviewsTotalAvailableSize <= 0 : just set all resizable subviews to minimum size 
+	
+	// Make array of all the resizable subviews indexes
+	NSMutableArray *resizableSubviewIndexes = [[resizableSubviewPreferredProportion allKeys] mutableCopy];
+	[resizableSubviewIndexes sortUsingDescriptors:[NSArray arrayWithObject:[[[NSSortDescriptor alloc] initWithKey:@"self" ascending:YES] autorelease]]];
+	
+	// Loop until none of the resizable subviews' constraints are violated
+	CGFloat proportionTotal = 1;
+	CGFloat resizableSubviewsRemainingAvailableSize = resizableSubviewsTotalAvailableSize;
+	int i;
+	for (i = 0; i < [resizableSubviewIndexes count]; i++)
+	{
+		NSNumber *key = [resizableSubviewIndexes objectAtIndex:i];
+		CGFloat size = [[newSubviewSizes objectForKey:key] floatValue];
+		CGFloat minSize = [self subviewMinimumSize:[key intValue]];
+		CGFloat maxSize = [self subviewMaximumSize:[key intValue]];
+		
+		BOOL overMax = size > maxSize;
+		BOOL underMin = size < minSize;
+		
+		// Check if current item in array violates constraints
+		if (underMin || overMax)
+		{
+			CGFloat constrainedSize = underMin ? minSize : maxSize;
+			
+			if (RESIZE_DEBUG_LOGS) NSLog(@"resizable subview %@ was %@, set to %f", key, (underMin ? @"under min" : @"over max"), constrainedSize);
+			
+			// Give subview constrained size and remove from array
+			[newSubviewSizes setObject:[NSNumber numberWithFloat:constrainedSize] forKey:key];
+			[resizableSubviewIndexes removeObject:key];
+			
+			// Adjust total proportion and remaining available size
+			proportionTotal -= [[resizableSubviewPreferredProportion objectForKey:key] floatValue];
+			resizableSubviewsRemainingAvailableSize -= underMin ? minSize : maxSize;
+			
+			// Recalculate remaining subview sizes
+			CGFloat resizableSubviewRemainingSizeUsed = 0;
+			int j;
+			for (j = 0; j < [resizableSubviewIndexes count]; j++)
+			{
+				NSNumber *jKey = [resizableSubviewIndexes objectAtIndex:j];
+				
+				CGFloat proportion = 0;
+				if (proportionTotal > 0)
+					proportion = [[resizableSubviewPreferredProportion objectForKey:jKey] floatValue] / proportionTotal;
+				else
+					proportion = 1.0 / [resizableSubviewIndexes count];
+				
+				CGFloat size = roundf(proportion * resizableSubviewsRemainingAvailableSize);
+				resizableSubviewRemainingSizeUsed += size;
+				
+				if (j == [resizableSubviewIndexes count] - 1)
+				{
+					// Make adjustment if necessary
+					size += (resizableSubviewsRemainingAvailableSize - resizableSubviewRemainingSizeUsed);
+				}
+				
+				[newSubviewSizes setObject:[NSNumber numberWithFloat:size] forKey:jKey];
+				
+				// Reset outer loop to start from beginning
+				i = -1;
+			}
+		}
+	}
+	if (RESIZE_DEBUG_LOGS) NSLog(@"newSubviewSizes after resizable constraint fulfilling: %@", newSubviewSizes);		
+	
+	if ([resizableSubviewIndexes count] == 0 && resizableSubviewsRemainingAvailableSize != 0)
+	{
+		if (RESIZE_DEBUG_LOGS) NSLog(@"entering nonresizable adjustment stage");
+		
+		// All resizable subviews have reached constraints without reaching the target size
+		
+		// First try to adjust non-resizable subviews, with resizableSubviewsRemainingAvailableSize being the amount of adjustment needed
+		
+		// Make array of non-resizable preferred proportions (normally go by preferred sizes)
+		NSMutableDictionary *nonresizableSubviewPreferredProportion = [NSMutableDictionary dictionary];
+		for (NSNumber *key in [nonresizableSubviewPreferredSize allKeys])
+		{
+			CGFloat proportion = [[nonresizableSubviewPreferredSize objectForKey:key] floatValue] / nonresizableSubviewsTotalPreferredSize;
+			
+			[nonresizableSubviewPreferredProportion setObject:[NSNumber numberWithFloat:proportion] forKey:key];
+		}
+		
+		// ResizableSubviewsRemainingAvailableSize is the amount of adjustment needed
+		CGFloat nonresizableSubviewsRemainingAvailableSize = nonresizableSubviewsTotalPreferredSize + resizableSubviewsRemainingAvailableSize;
+		
+		// Set sizes of nonresizable views based on proportions (could be negative)
+		CGFloat nonresizableSubviewAvailableSizeUsed = 0;
+		int nonresizableSubviewCounter = 0;
+		int nonresizableSubviewCount = [nonresizableSubviewPreferredProportion count];
+		for (NSNumber *key in [nonresizableSubviewPreferredProportion allKeys])
+		{
+			nonresizableSubviewCounter++;
+			
+			CGFloat proportion = [[nonresizableSubviewPreferredProportion objectForKey:key] floatValue];
+			CGFloat size = roundf(proportion * nonresizableSubviewsRemainingAvailableSize);
+			nonresizableSubviewAvailableSizeUsed += size;
+			
+			if (nonresizableSubviewCounter == nonresizableSubviewCount)
+			{
+				// Make adjustment if necessary
+				size += (nonresizableSubviewsRemainingAvailableSize - nonresizableSubviewAvailableSizeUsed);
+			}
+			
+			[newSubviewSizes setObject:[NSNumber numberWithFloat:size] forKey:key];
+		}
+		if (RESIZE_DEBUG_LOGS) NSLog(@"newSubviewSizes after nonresizable proportional resizing: %@", newSubviewSizes);
+		
+		// Make array of all the non-resizable subviews indexes
+		NSMutableArray *nonresizableSubviewIndexes = [[nonresizableSubviewPreferredSize allKeys] mutableCopy];
+		[nonresizableSubviewIndexes sortUsingDescriptors:[NSArray arrayWithObject:[[[NSSortDescriptor alloc] initWithKey:@"self" ascending:YES] autorelease]]];
+		
+		// Loop until none of the non-resizable subviews' constraints are violated
+		CGFloat proportionTotal = 1;
+		int i;
+		for (i = 0; i < [nonresizableSubviewIndexes count]; i++)
+		{
+			NSNumber *key = [nonresizableSubviewIndexes objectAtIndex:i];
+			CGFloat size = [[newSubviewSizes objectForKey:key] floatValue];
+			CGFloat minSize = [self subviewMinimumSize:[key intValue]];
+			CGFloat maxSize = [self subviewMaximumSize:[key intValue]];
+			
+			BOOL overMax = size > maxSize;
+			BOOL underMin = size < minSize;
+			
+			// Check if current item in array violates constraints
+			if (underMin || overMax)
+			{
+				CGFloat constrainedSize = underMin ? minSize : maxSize;
+				
+				if (RESIZE_DEBUG_LOGS) NSLog(@"nonresizable subview %@ was %@, set to %f", key, (underMin ? @"under min" : @"over max"), constrainedSize);
+				
+				// Give subview constrained size and remove from array
+				[newSubviewSizes setObject:[NSNumber numberWithFloat:constrainedSize] forKey:key];
+				[nonresizableSubviewIndexes removeObject:key];
+				
+				// Adjust total proportion and remaining available size
+				proportionTotal -= [[nonresizableSubviewPreferredProportion objectForKey:key] floatValue];
+				nonresizableSubviewsRemainingAvailableSize -= underMin ? minSize : maxSize;
+				
+				// Recalculate remaining subview sizes
+				CGFloat nonresizableSubviewRemainingSizeUsed = 0;
+				int j;
+				for (j = 0; j < [nonresizableSubviewIndexes count]; j++)
+				{
+					NSNumber *jKey = [nonresizableSubviewIndexes objectAtIndex:j];
+					
+					CGFloat proportion = 0;
+					if (proportionTotal > 0)
+						proportion = [[nonresizableSubviewPreferredProportion objectForKey:jKey] floatValue] / proportionTotal;
+					else
+						proportion = 1.0 / [nonresizableSubviewIndexes count];
+					
+					CGFloat size = roundf(proportion * nonresizableSubviewsRemainingAvailableSize);
+					nonresizableSubviewRemainingSizeUsed += size;
+					
+					if (j == [nonresizableSubviewIndexes count] - 1)
+					{
+						// Make adjustment if necessary
+						size += (nonresizableSubviewsRemainingAvailableSize - nonresizableSubviewRemainingSizeUsed);
+					}
+					
+					[newSubviewSizes setObject:[NSNumber numberWithFloat:size] forKey:jKey];
+					
+					// Reset outer loop to start from beginning
+					i = -1;
+				}
+			}
+		}
+		if (RESIZE_DEBUG_LOGS) NSLog(@"newSubviewSizes after nonresizable constraint fulfilling: %@", newSubviewSizes);
+		
+		// If there is still overall violation, resize everything proportionally to make up the difference
+		
+		if ([resizableSubviewIndexes count] == 0 && nonresizableSubviewsRemainingAvailableSize != 0)
+		{
+			if (RESIZE_DEBUG_LOGS) NSLog(@"entering all subviews forced adjustment stage");
+			
+			// Calculate current proportions and use to calculate new size
+			
+			CGFloat allSubviewTotalCurrentSize = 0;
+			for (NSNumber *size in [newSubviewSizes allValues])
+				allSubviewTotalCurrentSize += [size floatValue];
+			
+			CGFloat allSubviewRemainingSizeUsed = 0;
+			CGFloat allSubviewTotalSize = totalAvailableSize - dividerThicknessTotal;
+			// TODO: What to do if even the dividers don't fit?				
+			
+			int k;
+			for (k = 0; k < [newSubviewSizes count]; k++)
+			{
+				NSNumber *key = [NSNumber numberWithInt:k];
+				
+				CGFloat currentSize = [[newSubviewSizes objectForKey:key] floatValue];
+				
+				CGFloat proportion = currentSize / allSubviewTotalCurrentSize;
+				CGFloat size = roundf(proportion * allSubviewTotalSize);
+				allSubviewRemainingSizeUsed += size;
+				
+				if (k == [newSubviewSizes count] - 1)
+				{
+					// Make adjustment if necessary
+					size += allSubviewTotalSize - allSubviewRemainingSizeUsed;
+				}
+				
+				[newSubviewSizes setObject:[NSNumber numberWithFloat:size] forKey:key];	
+			}
+			if (RESIZE_DEBUG_LOGS) NSLog(@"newSubviewSizes after all subviews forced adjustment: %@", newSubviewSizes);
+		}
+		
+		// Otherwise there is still flexibiliy in the non-resizable views, so we are done
+	}
+	
+	// Otherwise there is still flexibility in the resizable views, so we are done
+	
+	// Set subview frames
+	CGFloat position = 0;
+	for (i = 0; i < [[self subviews] count]; i++)
+	{
+		NSView *subview = [[self subviews] objectAtIndex:i];
+		CGFloat size = [[newSubviewSizes objectForKey:[NSNumber numberWithInt:i]] floatValue];
+		
+		NSRect subviewFrame = NSZeroRect;
+		
+		if ([self isVertical])
+		{
+			subviewFrame.size.height = [self frame].size.height;
+			subviewFrame.size.width = size;
+			subviewFrame.origin.y = [subview frame].origin.y;
+			subviewFrame.origin.x = position;
+		}
+		else
+		{
+			subviewFrame.size.height = size;
+			subviewFrame.size.width =  [self frame].size.width;
+			subviewFrame.origin.y = position;
+			subviewFrame.origin.x =  [subview frame].origin.x;
+		}
+		
+		[subview setFrame:subviewFrame];
+		
+		position += size;
+		
+		if (dividerCanCollapse && [self subviewIsCollapsed:subview])
+		{
+			// Do nothing
+		}
+		else
+		{
+			position += [self dividerThickness];
+		}
+	}
+}
+
+- (void)splitView:(NSSplitView *)sender resizeSubviewsWithOldSize:(NSSize)oldSize
+{
+	if ([secondaryDelegate isKindOfClass:NSClassFromString(@"BWAnchoredButtonBar")])
+	{
+		[self resizeAndAdjustSubviews];
+	}
+	else if ([secondaryDelegate respondsToSelector:@selector(splitView:resizeSubviewsWithOldSize:)])
+	{
+		[secondaryDelegate splitView:sender resizeSubviewsWithOldSize:oldSize];
+	}
+	else if (sender == self)
+	{
+		[self resizeAndAdjustSubviews];
+	}
+	else
+	{
+		[sender adjustSubviews];
+	}
+}
+
+#pragma mark Force Vertical Splitters to Thin Appearance
+
+// This class doesn't have an appearance for wide vertical splitters, so we force all vertical splitters to thin.
+// We also post notifications that are used by the inspector to show & hide controls.
+
+- (void)setDividerStyle:(NSSplitViewDividerStyle)aStyle
+{
+	BOOL styleChanged = NO;
+	
+	if (aStyle != [self dividerStyle])
+		styleChanged = YES;
+	
+	if ([self isVertical])
+		[super setDividerStyle:NSSplitViewDividerStyleThin];
+	else
+		[super setDividerStyle:aStyle];
+	
+	// There can be sizing issues during design-time if we don't call this
+	[self adjustSubviews];
+	
+	if (styleChanged)
+		[[NSNotificationCenter defaultCenter] postNotificationName:@"BWSplitViewDividerThicknessChanged" object:self];
+}
+
+- (void)setVertical:(BOOL)flag
+{
+	BOOL orientationChanged = NO;
+	
+	if (flag != [self isVertical])
+		orientationChanged = YES;
+		
+	if (flag)
+		[super setDividerStyle:NSSplitViewDividerStyleThin];
+	
+	[super setVertical:flag];
+	
+	if (orientationChanged)
+		[[NSNotificationCenter defaultCenter] postNotificationName:@"BWSplitViewOrientationChanged" object:self];		
+}
+
+#pragma mark IB Inspector Support Methods
+
+- (BOOL)checkboxIsEnabled
+{
+	if (![self isVertical] && [super dividerThickness] > 1.01)
+		return NO;
+	
+	return YES;
+}
+
+- (void)setColorIsEnabled:(BOOL)flag
+{
+	colorIsEnabled = flag;
+	
+	[self setNeedsDisplay:YES];
+}
+
+- (void)setColor:(NSColor *)aColor
+{
+	if (color != aColor)
+	{
+		[color release];
+		color = [aColor copy];
+	}
+	
+	[self setNeedsDisplay:YES];
+}
+
+- (NSColor *)color
+{
+	if (color == nil)
+		color = [[NSColor blackColor] retain];
+	
+    return [[color retain] autorelease]; 
+}
+
+- (NSMutableDictionary *)minValues
+{
+	if (minValues == nil)
+		minValues = [NSMutableDictionary new];
+	
+    return [[minValues retain] autorelease]; 
+}
+
+- (NSMutableDictionary *)maxValues
+{
+	if (maxValues == nil)
+		maxValues = [NSMutableDictionary new];
+	
+    return [[maxValues retain] autorelease]; 
+}
+
+- (NSMutableDictionary *)minUnits
+{
+	if (minUnits == nil)
+		minUnits = [NSMutableDictionary new];
+	
+    return [[minUnits retain] autorelease]; 
+}
+
+- (NSMutableDictionary *)maxUnits
+{
+	if (maxUnits == nil)
+		maxUnits = [NSMutableDictionary new];
+	
+    return [[maxUnits retain] autorelease]; 
+}
+
+- (void)dealloc
+{
+	[color release];
+	[minValues release];
+	[maxValues release];
+	[minUnits release];
+	[maxUnits release];
+	[resizableSubviewPreferredProportion release];
+	[nonresizableSubviewPreferredSize release];
+	[toggleCollapseButton release];
+	[stateForLastPreferredCalculations release];
+		
+	[super dealloc];
+}
+
+@end