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Text add strikethrough and underline

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pengfei.zhou
2020-04-13 17:41:17 +08:00
committed by osborn
parent 8faf0e5d33
commit 8cb135b7b1
13 changed files with 151 additions and 15 deletions
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51
doric-iOS/Pod/Classes/Shader/DoricTextNode.m
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@@ -42,6 +42,8 @@ - (void)drawTextInRect:(CGRect)rect {
@interface DoricTextNode ()
@property(nonatomic, strong) NSMutableParagraphStyle *paragraphStyle;
@property(nonatomic, assign) NSNumber *underline;
@property(nonatomic, assign) NSNumber *strikethrough;
@end
@implementation DoricTextNode
@@ -53,12 +55,9 @@ - (UILabel *)build {
- (void)blendView:(UILabel *)view forPropName:(NSString *)name propValue:(id)prop {
if ([name isEqualToString:@"text"]) {
view.text = prop;
if (self.paragraphStyle) {
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:prop];
[attributedString addAttribute:NSParagraphStyleAttributeName value:self.paragraphStyle range:NSMakeRange(0, [attributedString length])];
view.attributedText = attributedString;
} else {
view.text = prop;
[self reloadParagraphStyle];
}
} else if ([name isEqualToString:@"textSize"]) {
UIFont *font = view.font;
@@ -113,18 +112,46 @@ - (void)blendView:(UILabel *)view forPropName:(NSString *)name propValue:(id)pro
UIFont *font = [UIFont fontWithName:iconfont size:view.font.pointSize];
view.font = font;
} else if ([name isEqualToString:@"lineSpacing"]) {
self.paragraphStyle = [NSMutableParagraphStyle new];
[self.paragraphStyle setLineSpacing:[prop floatValue]];
[self.paragraphStyle setAlignment:view.textAlignment];
NSString *labelText = view.text ?: @"";
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:labelText];
[attributedString addAttribute:NSParagraphStyleAttributeName value:self.paragraphStyle range:NSMakeRange(0, [labelText length])];
view.attributedText = attributedString;
[[self ensureParagraphStyle] also:^(NSMutableParagraphStyle *it) {
[it setLineSpacing:[prop floatValue]];
[self reloadParagraphStyle];
}];
} else if ([name isEqualToString:@"underline"]) {
[[self ensureParagraphStyle] also:^(NSMutableParagraphStyle *it) {
self.underline = prop;
[self reloadParagraphStyle];
}];
} else if ([name isEqualToString:@"strikethrough"]) {
[[self ensureParagraphStyle] also:^(NSMutableParagraphStyle *it) {
self.strikethrough = prop;
[self reloadParagraphStyle];
}];
} else {
[super blendView:view forPropName:name propValue:prop];
}
}
- (NSMutableParagraphStyle *)ensureParagraphStyle {
if (self.paragraphStyle == nil) {
self.paragraphStyle = [NSMutableParagraphStyle new];
self.paragraphStyle.alignment = self.view.textAlignment;
}
return self.paragraphStyle;
}
- (void)reloadParagraphStyle {
NSString *labelText = self.view.text ?: @"";
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:labelText];
[attributedString addAttribute:NSParagraphStyleAttributeName value:self.paragraphStyle range:NSMakeRange(0, [labelText length])];
if (self.underline) {
[attributedString addAttribute:NSUnderlineStyleAttributeName value:self.underline range:NSMakeRange(0, [labelText length])];
}
if (self.strikethrough) {
[attributedString addAttribute:NSStrikethroughStyleAttributeName value:self.strikethrough range:NSMakeRange(0, [labelText length])];
}
self.view.attributedText = attributedString;
}
- (void)blend:(NSDictionary *)props {
[super blend:props];
[self.view.superview setNeedsLayout];