//
//  BPAttachmentCell.m
//  Cells2
//
//  Created by Bea on 14/07/05.
//  Copyright 2005 __MyCompanyName__. All rights reserved.
//

#import "BPAttachmentCell.h"
#import "BPUtil.h"


@implementation BPAttachmentCell

+ (void)initialize
{
	defaultFontSize = 11;
	
	NSRect screenBounds = [[NSScreen mainScreen] frame];
	/*
	if (screenBounds.size.width <= 1024) {
		defaultCellImageSize = NSMakeSize(64, 64);
	} else {
		defaultCellImageSize = NSMakeSize(96, 96);
	}
	 */
	// test out the 96,96 size before using as the above.
	defaultCellImageSize = NSMakeSize(64, 64);
	
	defaultCellSize = NSMakeSize(defaultCellImageSize.width * 1.1,
								 defaultCellImageSize.height * 1.5);
}

+ (NSSize)defaultSize
{
	return defaultCellSize;
}

- (NSSize)minSizeToFit
{
	float maxItemWidth = [BPUtil maxOfA:[[self image] size].width b:[caption sizeWithAttributes:captionAttr].width + 20];
	float maxOfItemAndCellWidth = [BPUtil maxOfA:defaultCellSize.width b:maxItemWidth];
	float height = defaultCellSize.height;
	
	// impose some kind of maximum width
	if (maxOfItemAndCellWidth > 200) maxOfItemAndCellWidth = 200;
	return NSMakeSize(maxOfItemAndCellWidth, height);
}

- (id)init
{
	[super init];
	
	caption = @"";
	fontSize = defaultFontSize;
	
	// image cell setup
	[self setImageAlignment:NSImageAlignTop];
	[self setImageFrameStyle:NSImageFrameGrayBezel];
	[self setImageScaling:NSScaleProportionally];
	
	// caption attributers
	captionAttr = [[[NSDictionary alloc] initWithObjectsAndKeys:
			   [NSFont labelFontOfSize:fontSize], NSFontAttributeName,
		NULL] retain];
	
	return self;
}

- (void)setCaption:(NSString *)captionText
{
	[captionText retain];
	[caption release];
	caption = captionText;
}

- (void)setImage:(NSImage *)image
{
	// important, otherwise image doesn't scale properly when scaling to larger size
	[image setScalesWhenResized:YES];
	
	[image setSize:[BPUtil scaleSize:[image size] toHeight:defaultCellImageSize.height]];
	
	[super setImage:image];
}

- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView {
	
	// draw image etc.
    [super drawWithFrame:cellFrame inView:controlView];
		
	// draw caption
	NSSize textSize = [caption sizeWithAttributes:captionAttr];
	NSPoint textPosn = cellFrame.origin;
	if (textSize.width > [self cellSize].width) {
		// text is too long to fit in the cell, so left align text so that you
		// can read the beginning of it
		textPosn.x += 8;		// a bit of padding
	} else {
		// center text
		textPosn.x += cellFrame.size.width/2 - textSize.width/2;
	}
	textPosn.y += cellFrame.size.height - fontSize - 8;  // 8 is to push text up closer to image
	[caption drawAtPoint:textPosn withAttributes:captionAttr];
}


- (NSSize)cellSize {
	return [self minSizeToFit];
}


@end