/*

File: IBFragment.m

Abstract: The fragment class.

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subject to these terms, Apple grants you a personal, non-exclusive

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Software, with or without modifications, in source and/or binary forms;

provided that if you redistribute the Apple Software in its entirety and

without modifications, you must retain this notice and the following

text and disclaimers in all such redistributions of the Apple Software. 

Neither the name, trademarks, service marks or logos of Apple Computer,

Inc. may be used to endorse or promote products derived from the Apple

Software without specific prior written permission from Apple.  Except

as expressly stated in this notice, no other rights or licenses, express

or implied, are granted by Apple herein, including but not limited to

any patent rights that may be infringed by your derivative works or by

other works in which the Apple Software may be incorporated.

The Apple Software is provided by Apple on an "AS IS" basis.  APPLE

MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS

FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND

OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.

IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL

OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

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Copyright © 2006 Apple Computer, Inc., All Rights Reserved

*/

#import "IBFragment.h"

#import "IBFragmentView.h"

static const CGFloat IBFragmentHorizontalPad = 8.0f;

static const CGFloat IBFragmentVerticalPad = 4.0f;

@implementation IBFragment

- (id)init {

    if ((self = [super init])) {

        title = @"Title";

        font = [[NSFont systemFontOfSize:[NSFont systemFontSizeForControlSize:NSRegularControlSize]] retain];

    }

    return self;

}

- (id)initWithCoder:(NSCoder *)coder {

    if ((self = [super init])) {

        font = [[coder decodeObjectForKey:@"font"] retain];

        title = [[coder decodeObjectForKey:@"title"] retain];

        fragmentView = [coder decodeObjectForKey:@"fragmentView"];

    }

    return self;

}

- (void)encodeWithCoder:(NSCoder *)coder {

    [coder encodeObject:[self title] forKey:@"title"];

    [coder encodeObject:[self font] forKey:@"font"];

    [coder encodeConditionalObject:[self fragmentView] forKey:@"fragmentView"];

}

- (void)dealloc {

    [title release];

    [font release];

    [super dealloc];

}

- (void)setFragmentView:(IBFragmentView *)view {

    fragmentView = view;

}

- (IBFragmentView *)fragmentView {

    return fragmentView;

}

- (NSString *)title {

    return title;

}

- (void)setTitle:(NSString *)newTitle {

    if (title != newTitle) {

        [title release];

        title = [newTitle copy];

        [fragmentView setNeedsDisplay:YES];

    }

}

- (NSFont *)font {

    return font;

}

- (void)setFont:(NSFont *)newFont {

    if (font != newFont) {

        [font release];

        font = [newFont retain];

    }

}

- (NSDictionary *)attributes {

    return [NSDictionary dictionaryWithObjectsAndKeys:[NSColor whiteColor], NSForegroundColorAttributeName, [self font], NSFontAttributeName, nil];

}

- (NSAttributedString *)attributedTitle {

    NSMutableAttributedString *attributedTitle = [[[NSMutableAttributedString alloc] initWithString:[self title] attributes:[self attributes]] autorelease];

    NSMutableParagraphStyle *style = [[NSMutableParagraphStyle alloc] init];

    [style setLineBreakMode:NSLineBreakByTruncatingTail];

    [style setAlignment:NSCenterTextAlignment];

    [attributedTitle addAttribute:NSParagraphStyleAttributeName value:style range:NSMakeRange(0, [attributedTitle length])];

    [style release];

    return attributedTitle;

}

- (NSSize)idealSize {

    NSSize titleSize = [[self attributedTitle] size];

    titleSize.width += IBFragmentHorizontalPad;

    titleSize.height += IBFragmentVerticalPad;

    return titleSize;

}

- (CGFloat)idealWidth {

    return [self idealSize].width;

}

- (NSRect)titleRectForRect:(NSRect)rect {

    NSAttributedString *attributedTitle = [self attributedTitle];

    NSSize titleSize = [attributedTitle size];

    NSRect titleRect = NSInsetRect(rect, IBFragmentHorizontalPad / 2, IBFragmentVerticalPad / 2);

    titleRect.size.height = MIN(titleSize.height, rect.size.height);

    titleRect.origin.y = rect.size.height / 2 - titleSize.height / 2;

    return titleRect;

}

- (void)drawInRect:(NSRect)rect {

    NSRect titleRect = [self titleRectForRect:rect];

    NSAttributedString *attributedTitle = [self attributedTitle];

    [attributedTitle drawInRect:titleRect];

}

@end