PRAlbumListViewCell.m

#import "PRAlbumListViewCell.h"
#import "PRDb.h"
#import "PRLibrary.h"
#import "NSImage+Extensions.h"
#import "PRDefaults.h"
#import "NSParagraphStyle+Extensions.h"


@implementation PRAlbumListViewCell

- (void)drawInteriorWithFrame:(NSRect)theCellFrame inView:(NSView *)theControlView {
    NSDictionary *dict = [self objectValue];
    PRDb *db = [dict objectForKey:@"db"];
    PRItemID *item = [dict objectForKey:@"file"];
    NSImage *icon = [dict objectForKey:@"icon"];
    if (!icon || ![icon isValid]) {
        icon = [NSImage imageNamed:@"PRLightAlbumArt"];
    }
    
    NSString *artist = [[db library] artistValueForItem:item];
    NSString *album = [[db library] valueForItem:item attr:PRItemAttrAlbum];
    NSNumber *year = [[db library] valueForItem:item attr:PRItemAttrYear];
    if ([[[db library] valueForItem:item attr:PRItemAttrCompilation] boolValue] && [[PRDefaults sharedDefaults] boolForKey:PRDefaultsUseCompilation]) {
        artist = @"Compilation";
    }
    
    // Inset the cell frame to give everything a little horizontal padding
    NSRect insetRect = NSInsetRect(theCellFrame, 10, 9);
    NSSize iconSize = NSMakeSize(150, 150);
    
    // Make attributes for our strings        
    NSDictionary *titleAttributes = @{NSFontAttributeName:[NSFont boldSystemFontOfSize:11],
        NSParagraphStyleAttributeName:[NSParagraphStyle centerAlignStyle],
        NSForegroundColorAttributeName:[NSColor colorWithCalibratedWhite:0.2 alpha:1.0]};
    NSDictionary *subtitleAttributes = @{NSFontAttributeName:[NSFont systemFontOfSize:11],
        NSParagraphStyleAttributeName:[NSParagraphStyle centerAlignStyle],
        NSForegroundColorAttributeName:[NSColor colorWithCalibratedWhite:0.2 alpha:1.0]};
    
    // Make a Title string
    NSString *title = album;
    NSString *subtitle = artist;
    NSString *subSubtitle = [year stringValue];
    if ([title isEqualToString:@""]) {
        title = @"Unknown Album";
    }
    if ([subtitle isEqualToString:@""]) {
        subtitle = @"Unknown Artist";
    }
    if ([subSubtitle isEqualToString:@"0"]) {
        subSubtitle = @"";
    }
    
    // get the size of the string for layout
    NSSize titleSize = [title sizeWithAttributes:titleAttributes];
    NSSize subtitleSize = [subtitle sizeWithAttributes:subtitleAttributes];
    NSSize subSubtitleSize = [subSubtitle sizeWithAttributes:subtitleAttributes];
    
    // Vertical padding between the lines of text
    // Horizontal padding between icon and text
    float verticalPadding = 0.0;
    float subVerticalPadding = 1.0;
    
    // Icon box: center the icon vertically inside of the inset rect
    NSRect iconBox = NSMakeRect(insetRect.origin.x, insetRect.origin.y, iconSize.width, iconSize.height);
    
    // Make a box for our text
    // Place it next to the icon with horizontal padding
    // Size it horizontally to fill out the rest of the inset rect
    // Center it vertically inside of the inset rect
    float combinedHeight = titleSize.height + subtitleSize.height + subSubtitleSize.height + 2 * subVerticalPadding;
    
    NSRect textBox = NSMakeRect(insetRect.origin.x, insetRect.origin.y + iconBox.size.height + verticalPadding,
                                iconSize.width, combinedHeight);
    
    // Now split the text box in half and put the title box in the top half and subtitle box in bottom half
    NSRect titleBox = NSMakeRect(textBox.origin.x, textBox.origin.y, textBox.size.width, titleSize.height);
    NSRect subtitleBox = NSMakeRect(textBox.origin.x, textBox.origin.y + titleSize.height + subVerticalPadding,
                                    textBox.size.width, subtitleSize.height);
    
    NSImage *image = icon;
    NSRect inRect = NSInsetRect(iconBox, 7, 7);
    // create a destination rect scaled to fit inside the frame
    NSRect drawnRect;
    drawnRect.origin = inRect.origin;
    if ([image size].width > [image size].height) {
        drawnRect.size.height = [image size].height * inRect.size.width/[image size].width;
        drawnRect.size.width = inRect.size.width;
    } else {
        drawnRect.size.width = [image size].width * inRect.size.height/[image size].height;
        drawnRect.size.height = inRect.size.height;
    }
    
    // center it in the frame
    drawnRect.origin.x += (inRect.size.width - drawnRect.size.width)/2;
    drawnRect.origin.y += (inRect.size.height - drawnRect.size.height)/2;
    drawnRect.origin.x = floor(drawnRect.origin.x);
    drawnRect.origin.y = floor(drawnRect.origin.y);
    drawnRect.size.width = floor(drawnRect.size.width);
    drawnRect.size.height = floor(drawnRect.size.height);
    
    // drawBorder
    [NSGraphicsContext saveGraphicsState];
    NSShadow *shadow = [[NSShadow alloc] init];
    [shadow setShadowOffset:NSMakeSize(0.0, -2.0)];
    [shadow setShadowBlurRadius:5];
    [shadow setShadowColor:[NSColor colorWithDeviceWhite:0.0 alpha:0.4]];    
    [shadow set];
    [image drawInRect:drawnRect fromRect:NSZeroRect operation:NSCompositeSourceOver fraction:1.0 respectFlipped:YES hints:NO]; 
    [NSGraphicsContext restoreGraphicsState];
    
    // draw the text
    [title drawInRect:titleBox withAttributes:titleAttributes];
    [subtitle drawInRect:subtitleBox withAttributes:subtitleAttributes];
}

- (NSRect)expansionFrameWithFrame:(NSRect)cellFrame inView:(NSView *)view {
    return NSZeroRect;
}

@end