85 lines
2.8 KiB
Mathematica
85 lines
2.8 KiB
Mathematica
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// RichTextLabel.m
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// BabyAlbum
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//
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// Created by mambaxie on 2021/7/3.
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//
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#import "RichTextLabel.h"
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@implementation RichLabelItem
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+ (instancetype)itemWithText:(NSString *)text action:(void (^)(void))action
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{
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RichLabelItem *item = [RichLabelItem new];
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item.title = text;
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item.action = action;
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return item;
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}
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@end
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@implementation RichTextLabel
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+ (instancetype)richTextFullString:(NSString *)fullString items:(NSArray<RichLabelItem *> *)items maxWidth:(CGFloat)maxWidth
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{
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BOOL isVIP = [fullString containsString:@"iTunes商店"];
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RichTextLabel *richLabel = [[RichTextLabel alloc] init];
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NSDictionary *attributes = @{NSFontAttributeName:SMALL_FONT, NSForegroundColorAttributeName: [UIColor colorWithWhite:1.0 alpha:0.4]};
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if (isVIP) {
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attributes = @{NSFontAttributeName:SMALL_11_FONT, NSForegroundColorAttributeName: [UIColor colorWithWhite:1.0 alpha:0.4]};
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}
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NSMutableAttributedString *text = [[NSMutableAttributedString alloc] initWithString:fullString attributes:attributes];
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text.yy_lineSpacing = 2.5;
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text.yy_alignment = isVIP ? NSTextAlignmentCenter : NSTextAlignmentLeft;
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for (RichLabelItem *item in items) {
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//设置高亮色和点击事件
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[text yy_setTextHighlightRange:[[text string] rangeOfString:item.title] color:(isVIP ? THEME_COLOR : [UIColor whiteColor]) backgroundColor:[UIColor clearColor] tapAction:^(UIView * _Nonnull containerView, NSAttributedString * _Nonnull text, NSRange range, CGRect rect) {
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if (item.action) {
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item.action();
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}
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}];
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}
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YYTextContainer *textContainer = [YYTextContainer containerWithSize:CGSizeMake(maxWidth, CGFLOAT_MAX)];
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textContainer.maximumNumberOfRows = 0;
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YYTextLayout *layout = [YYTextLayout layoutWithContainer:textContainer text:text];
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richLabel.ignoreCommonProperties = YES;
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richLabel.textLayout = layout;
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[richLabel sizeToFit];
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return richLabel;
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}
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@end
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@implementation RichLabel
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+ (instancetype)richTextWithFullString:(NSString *)fullString textColor:(UIColor *)textColor font:(UIFont *)font
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{
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RichLabel *richLabel = [[RichLabel alloc] init];
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NSDictionary *attributes = @{
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NSFontAttributeName: font,
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NSForegroundColorAttributeName: textColor};
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NSMutableAttributedString *text = [[NSMutableAttributedString alloc] initWithString:fullString attributes:attributes];
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richLabel.attributedText = text;
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return richLabel;
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}
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- (void)setRichTextWithText:(NSString *)text textColor:(UIColor *)textColor font:(UIFont *)font
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{
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NSMutableAttributedString *attrM = [self.attributedText mutableCopy];
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[attrM setAttributes:@{
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NSFontAttributeName: font,
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NSForegroundColorAttributeName: textColor
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} range:[self.attributedText.string rangeOfString:text]];
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self.attributedText = attrM;
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}
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@end
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