Calculate height for a custom cell

NewTableCellView.m

//
//  NewsTableCellView.m
//  Crew
//
//  Created by John Wright on 8/18/11.
//  Copyright 2011 QuickLeft. All rights reserved.
//

#import "PostCellView.h"
#import "Crew.h"

@interface PostCellView()
- (void) figureOut;
@end
@implementation PostCellView

@synthesize type;
@synthesize mainText;

- (id)initWithStyle:(TUITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
{
	if((self = [super initWithStyle:style reuseIdentifier:reuseIdentifier])) {
		textRenderer = [[TUITextRenderer alloc] init];
		self.textRenderers = [NSArray arrayWithObjects:textRenderer, nil];
	}
	return self;
}

- (void)dealloc
{
	[textRenderer release];
    [profilePic release];
	[super dealloc];
}

- (NSDictionary *)post;
{
	return post;
}

- (void) figureOut {
    type = [post valueForKey:@"type"];
    NSString *message = [post valueForKey:@"message"];
    if (!message) message = type;
    CGFloat textHeight = [message ab_sizeWithFont:[Crew crewFont]].height;
    if (textHeight > 55) {
        NSLog(@"yes!");
    }
    TUIAttributedString *s = [TUIAttributedString stringWithString:message];
    s.color = [TUIColor blackColor];
    s.font = [Crew crewFont];
	textRenderer.attributedString = s;
	[self setNeedsDisplay];
    
    // Profile pic data
    NSData *profilePicData = [post valueForKey:@"picture"];
    if (profilePicData) {
        profilePic = [[TUIImage imageWithData:profilePicData] retain];
    }
}

- (void)setPost:(NSDictionary *)newPost
{
    [post release];
    post = [newPost retain];
    [self figureOut];
}

-(CGFloat) height {
    CGFloat calcuatedHeight = 55.0;
    if (textRenderer  && textRenderer.attributedString && textRenderer.attributedString.size.height > calcuatedHeight) calcuatedHeight = textRenderer.size.height;
    if (profilePic) {
        if (profilePic.size.height > calcuatedHeight) calcuatedHeight = profilePic.size.height;
    }
    return calcuatedHeight;
}

- (void)drawRect:(CGRect)rect
{
	CGRect b = self.bounds;
	CGContextRef ctx = TUIGraphicsGetCurrentContext();
	
	if(self.selected) {
		// selected background
		CGContextSetRGBFillColor(ctx, .88, .89, .94, 1);
		CGContextFillRect(ctx, b);
	} else {
		// white background
		CGContextSetRGBFillColor(ctx, 1, 1, 1, 1);
		CGContextFillRect(ctx, b);
		
		// emboss
		CGContextSetRGBFillColor(ctx, 1, 1, 1, 0.9); // light at the top
		CGContextFillRect(ctx, CGRectMake(0, b.size.height-1, b.size.width, 1));
		CGContextSetRGBFillColor(ctx, 0, 0, 0, 0.08); // dark at the bottom
		CGContextFillRect(ctx, CGRectMake(0, 0, b.size.width, 1));
	}
    
    if (profilePic) {
        CGRect imageRect = CGRectOffset(b, 5, -5);
        imageRect.size.height = 50;
        imageRect.size.width = 50;
        [profilePic drawInRect:imageRect];
    }
	
	// text
	CGRect textRect = CGRectOffset(b, 65, -15);
	textRenderer.frame = textRect; // set the frame so it knows where to draw itself
	[textRenderer draw];
}

@end