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124 lines
3.5 KiB
124 lines
3.5 KiB
//
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// FLEXToolbarItem.m
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// Flipboard
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//
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// Created by Ryan Olson on 4/4/14.
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// Copyright (c) 2014 Flipboard. All rights reserved.
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//
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#import "FLEXColor.h"
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#import "FLEXToolbarItem.h"
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#import "FLEXUtility.h"
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@interface FLEXToolbarItem ()
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@property (nonatomic, copy) NSString *title;
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@property (nonatomic) UIImage *image;
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@end
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@implementation FLEXToolbarItem
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+ (instancetype)toolbarItemWithTitle:(NSString *)title image:(UIImage *)image
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{
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FLEXToolbarItem *toolbarItem = [self buttonWithType:UIButtonTypeSystem];
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toolbarItem.title = title;
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toolbarItem.backgroundColor = [self defaultBackgroundColor];
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toolbarItem.image = image;
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toolbarItem.titleLabel.font = [FLEXUtility defaultFontOfSize:12.0];
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[toolbarItem setTitle:title forState:UIControlStateNormal];
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[toolbarItem setImage:image forState:UIControlStateNormal];
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[toolbarItem setTitleColor:[FLEXColor primaryTextColor] forState:UIControlStateNormal];
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[toolbarItem setTitleColor:[FLEXColor deemphasizedTextColor] forState:UIControlStateDisabled];
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[toolbarItem setTintColor:[FLEXColor iconColor]];
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return toolbarItem;
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}
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#pragma mark - Display Defaults
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+ (NSDictionary<NSString *, id> *)titleAttributes
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{
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return @{NSFontAttributeName : [FLEXUtility defaultFontOfSize:12.0]};
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}
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+ (UIColor *)highlightedBackgroundColor
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{
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return [FLEXColor toolbarItemHighlightedColor];
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}
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+ (UIColor *)selectedBackgroundColor
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{
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return [FLEXColor toolbarItemSelectedColor];
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}
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+ (UIColor *)defaultBackgroundColor
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{
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return UIColor.clearColor;
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}
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+ (CGFloat)topMargin
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{
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return 2.0;
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}
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#pragma mark - State Changes
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- (void)setHighlighted:(BOOL)highlighted
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{
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[super setHighlighted:highlighted];
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[self updateColors];
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}
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- (void)setSelected:(BOOL)selected
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{
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[super setSelected:selected];
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[self updateColors];
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}
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+ (id)_selectedIndicatorImage { return nil; }
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- (void)updateColors
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{
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// Background color
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if (self.highlighted) {
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self.backgroundColor = [[self class] highlightedBackgroundColor];
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} else if (self.selected) {
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self.backgroundColor = [[self class] selectedBackgroundColor];
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} else {
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self.backgroundColor = [[self class] defaultBackgroundColor];
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}
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}
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#pragma mark - UIButton Layout Overrides
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- (CGRect)titleRectForContentRect:(CGRect)contentRect
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{
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NSDictionary *attrs = [[self class] titleAttributes];
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// Bottom aligned and centered.
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CGRect titleRect = CGRectZero;
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CGSize titleSize = [self.title boundingRectWithSize:contentRect.size
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options:0
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attributes:attrs
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context:nil].size;
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titleSize = CGSizeMake(ceil(titleSize.width), ceil(titleSize.height));
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titleRect.size = titleSize;
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titleRect.origin.y = contentRect.origin.y + CGRectGetMaxY(contentRect) - titleSize.height;
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titleRect.origin.x = contentRect.origin.x + FLEXFloor((contentRect.size.width - titleSize.width) / 2.0);
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return titleRect;
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}
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- (CGRect)imageRectForContentRect:(CGRect)contentRect
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{
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CGSize imageSize = self.image.size;
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CGRect titleRect = [self titleRectForContentRect:contentRect];
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CGFloat availableHeight = contentRect.size.height - titleRect.size.height - [[self class] topMargin];
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CGFloat originY = [[self class] topMargin] + FLEXFloor((availableHeight - imageSize.height) / 2.0);
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CGFloat originX = FLEXFloor((contentRect.size.width - imageSize.width) / 2.0);
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CGRect imageRect = CGRectMake(originX, originY, imageSize.width, imageSize.height);
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return imageRect;
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}
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@end
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