Cappuccino CPTableView Issues

CPTableViewIssues

@import <Foundation/CPObject.j>

@implementation AppController : CPObject
{
    CPTableView _tableView;
}

- (void)applicationDidFinishLaunching:(CPNotification)aNotification
{
    var theWindow = [[CPWindow alloc] initWithContentRect:CGRectMakeZero() styleMask:CPBorderlessBridgeWindowMask],
        contentView = [theWindow contentView];

    // Create a CPScrollView that will contain the CPTableView
    var scrollView = [[CPScrollView alloc] initWithFrame:[contentView frame]];
    [scrollView setAutoresizingMask:CPViewWidthSizable | CPViewHeightSizable];
	[scrollView setHasHorizontalScroller:YES];
    
    // Create the CPTableView
    _tableView = [[CPTableView alloc] initWithFrame:[scrollView bounds]];
    [_tableView setDataSource:self];
    [_tableView setUsesAlternatingRowBackgroundColors:YES];
    
    // Uncomment this line to test vertical scrollbar issue..
	//[_tableView setHeaderView:nil];							
	 
	// Add some columns
    for (var columnIndex=0; columnIndex < 25; ++columnIndex)
    {
	    var column = [[CPTableColumn alloc] initWithIdentifier:[columnIndex]];
	    [[column headerView] setStringValue:@"Test Header"];
	    [column setWidth:100.0];
	    [_tableView addTableColumn:column];
    }
    
    // View hierarchy
    [scrollView setDocumentView:_tableView];
    [contentView addSubview:scrollView];
    [theWindow orderFront:self];
}

- (int)numberOfRowsInTableView:(CPTableView)tableView
{
    return 500;
}

- (id)tableView:(CPTableView)tableView objectValueForTableColumn:(CPTableColumn)tableColumn row:(int)row
{
	return @"Test Data";
}

@end