62 lines
1.7 KiB
Objective-C
62 lines
1.7 KiB
Objective-C
//
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// KBTopImageButton.m
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// keyBoard
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//
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// 上图下文按钮：图片在上、文字在下，内部简单布局，适合图标型功能入口
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//
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#import "KBTopImageButton.h"
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#import "UIColor+Extension.h"
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@interface KBTopImageButton()
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@property (nonatomic, strong) UIImageView *iconView;
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@property (nonatomic, strong) UILabel *textLabel;
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@end
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@implementation KBTopImageButton
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- (instancetype)initWithFrame:(CGRect)frame {
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if (self = [super initWithFrame:frame]) {
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_spacing = 6;
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_iconSize = CGSizeMake(44, 44);
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_iconView = [[UIImageView alloc] init];
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_iconView.contentMode = UIViewContentModeScaleAspectFit;
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[self addSubview:_iconView];
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_textLabel = [[UILabel alloc] init];
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_textLabel.font = [UIFont systemFontOfSize:12 weight:UIFontWeightSemibold];
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_textLabel.textColor = [UIColor colorWithHex:0x2B2B2B];
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_textLabel.textAlignment = NSTextAlignmentCenter;
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_textLabel.numberOfLines = 2;
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[self addSubview:_textLabel];
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}
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return self;
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}
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- (CGSize)intrinsicContentSize {
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CGFloat width = MAX(_iconSize.width, 60);
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return CGSizeMake(width, _iconSize.height + _spacing + 34);
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}
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- (void)layoutSubviews {
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[super layoutSubviews];
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CGFloat W = CGRectGetWidth(self.bounds);
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CGFloat H = CGRectGetHeight(self.bounds);
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CGSize iconS = self.iconSize;
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CGFloat ix = (W - iconS.width) * 0.5;
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self.iconView.frame = CGRectMake(ix, 0, iconS.width, iconS.height);
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CGFloat labelTop = CGRectGetMaxY(self.iconView.frame) + self.spacing;
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CGFloat lh = MAX(0, H - labelTop);
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self.textLabel.frame = CGRectMake(0, labelTop, W, lh);
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}
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- (void)setHighlighted:(BOOL)highlighted {
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[super setHighlighted:highlighted];
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self.alpha = highlighted ? 0.6 : 1.0;
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}
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@end
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