Created
September 25, 2013 10:46
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NSAttributedString Category to add more flexible customisation.
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| /* | |
| Copyright (c) 2013 Snippex. All rights reserved. | |
| Redistribution and use in source and binary forms, with or without | |
| modification, are permitted provided that the following conditions are met: | |
| 1. Redistributions of source code must retain the above copyright notice, this | |
| list of conditions and the following disclaimer. | |
| 2. Redistributions in binary form must reproduce the above copyright notice, | |
| this list of conditions and the following disclaimer in the documentation | |
| and/or other materials provided with the distribution. | |
| THIS SOFTWARE IS PROVIDED BY Snippex `AS IS' AND ANY EXPRESS OR | |
| IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
| EVENT SHALL Snippex OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
| INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
| BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE | |
| OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
| ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| */ | |
| #import <Foundation/Foundation.h> | |
| @interface NSAttributedString (SPXAdditions) | |
| + (NSAttributedString *)attributedString:(NSString *)string; | |
| + (NSAttributedString *)attributedString:(NSString *)string | |
| attributes:(NSDictionary *)attributes; | |
| + (NSAttributedString *)attributedString:(NSString *)string | |
| color:(UIColor *)color | |
| font:(UIFont *)font; | |
| + (NSAttributedString *)attributedString:(NSString *)string | |
| color:(UIColor *)color | |
| font:(UIFont *)font | |
| alignment:(NSTextAlignment)alignment; | |
| + (NSAttributedString *)attributedString:(NSString *)string | |
| color:(UIColor *)color | |
| font:(UIFont *)font | |
| alignment:(NSTextAlignment)alignment | |
| lineHeight:(CGFloat)lineHeight; | |
| + (NSAttributedString *)attributedString:(NSString *)string | |
| color:(UIColor *)color | |
| font:(UIFont *)font | |
| alignment:(NSTextAlignment)alignment | |
| lineHeight:(CGFloat)lineHeight | |
| kerning:(CGFloat)kerning; | |
| - (NSAttributedString *)attributedStringWithUpdatedAttributes:(NSDictionary *)attributes | |
| range:(NSRange)range; | |
| + (NSDictionary *)attributesForColor:(UIColor *)color | |
| font:(UIFont *)font | |
| alignment:(NSTextAlignment)alignment | |
| lineHeight:(CGFloat)lineHeight | |
| kerning:(CGFloat)kerning; | |
| @end | |
| @interface NSMutableAttributedString (SPXAdditions) | |
| - (void)updateWithColor:(UIColor *)color | |
| font:(UIFont *)font; | |
| - (void)updateWithColor:(UIColor *)color | |
| font:(UIFont *)font | |
| alignment:(NSTextAlignment)alignment; | |
| - (void)updateWithColor:(UIColor *)color | |
| font:(UIFont *)font | |
| alignment:(NSTextAlignment)alignment | |
| lineHeight:(CGFloat)lineHeight; | |
| - (void)updateWithColor:(UIColor *)color | |
| font:(UIFont *)font | |
| alignment:(NSTextAlignment)alignment | |
| lineHeight:(CGFloat)lineHeight | |
| kerning:(CGFloat)kerning; | |
| @end |
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| /* | |
| Copyright (c) 2013 Snippex. All rights reserved. | |
| Redistribution and use in source and binary forms, with or without | |
| modification, are permitted provided that the following conditions are met: | |
| 1. Redistributions of source code must retain the above copyright notice, this | |
| list of conditions and the following disclaimer. | |
| 2. Redistributions in binary form must reproduce the above copyright notice, | |
| this list of conditions and the following disclaimer in the documentation | |
| and/or other materials provided with the distribution. | |
| THIS SOFTWARE IS PROVIDED BY Snippex `AS IS' AND ANY EXPRESS OR | |
| IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
| EVENT SHALL Snippex OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
| INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
| BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE | |
| OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
| ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| */ | |
| #import "NSAttributedString+SPXAdditions.h" | |
| @implementation NSAttributedString (SPXAdditions) | |
| + (NSAttributedString *)attributedString:(NSString *)string | |
| { | |
| return [[NSAttributedString alloc] initWithString:string]; | |
| } | |
| + (NSAttributedString *)attributedString:(NSString *)string | |
| attributes:(NSDictionary *)attributes | |
| { | |
| return [[NSAttributedString alloc] initWithString:string attributes:attributes]; | |
| } | |
| + (NSAttributedString *)attributedString:(NSString *)string | |
| color:(UIColor *)color | |
| font:(UIFont *)font | |
| { | |
| return [self attributedString:string color:color font:font alignment:NSTextAlignmentLeft lineHeight:0 kerning:0]; | |
| } | |
| + (NSAttributedString *)attributedString:(NSString *)string | |
| color:(UIColor *)color | |
| font:(UIFont *)font | |
| alignment:(NSTextAlignment)alignment | |
| { | |
| return [self attributedString:string color:color font:font alignment:alignment lineHeight:0 kerning:0]; | |
| } | |
| + (NSAttributedString *)attributedString:(NSString *)string | |
| color:(UIColor *)color | |
| font:(UIFont *)font | |
| alignment:(NSTextAlignment)alignment | |
| lineHeight:(CGFloat)lineHeight | |
| { | |
| return [self attributedString:string color:color font:font alignment:alignment lineHeight:lineHeight kerning:0]; | |
| } | |
| + (NSAttributedString *)attributedString:(NSString *)string | |
| color:(UIColor *)color | |
| font:(UIFont *)font | |
| alignment:(NSTextAlignment)alignment | |
| lineHeight:(CGFloat)lineHeight | |
| kerning:(CGFloat)kerning | |
| { | |
| NSDictionary *attributes = [self attributesForColor:color font:font alignment:alignment lineHeight:lineHeight kerning:kerning]; | |
| return [[NSAttributedString alloc] initWithString:string attributes:attributes]; | |
| } | |
| - (NSAttributedString *)attributedStringWithUpdatedAttributes:(NSDictionary *)attributes range:(NSRange)range | |
| { | |
| NSMutableAttributedString *string = [self mutableCopy]; | |
| [string addAttributes:attributes range:range]; | |
| return [string copy]; | |
| } | |
| + (NSDictionary *)attributesForColor:(UIColor *)color | |
| font:(UIFont *)font | |
| alignment:(NSTextAlignment)alignment | |
| lineHeight:(CGFloat)lineHeight | |
| kerning:(CGFloat)kerning | |
| { | |
| NSMutableParagraphStyle *style = [self sharedParagraphStyle]; | |
| style.lineSpacing = lineHeight; | |
| return @{ NSFontAttributeName : font ?: [UIFont systemFontOfSize:18], | |
| NSForegroundColorAttributeName : color ?: [UIColor blackColor], | |
| NSParagraphStyleAttributeName : style, | |
| NSKernAttributeName : @(kerning), | |
| }; | |
| } | |
| + (NSMutableParagraphStyle *)sharedParagraphStyle | |
| { | |
| static NSMutableParagraphStyle *style = nil; | |
| if (!style) style = [[NSMutableParagraphStyle alloc] init]; | |
| return style; | |
| } | |
| @end | |
| @implementation NSMutableAttributedString (SPXAdditions) | |
| - (void)updateWithColor:(UIColor *)color | |
| font:(UIFont *)font | |
| { | |
| NSDictionary *attributes = [self.class attributesForColor:color font:font alignment:NSTextAlignmentLeft lineHeight:0 kerning:0]; | |
| return [self addAttributes:attributes range:NSMakeRange(0, self.length)]; | |
| } | |
| - (void)updateWithColor:(UIColor *)color | |
| font:(UIFont *)font | |
| alignment:(NSTextAlignment)alignment | |
| { | |
| NSDictionary *attributes = [self.class attributesForColor:color font:font alignment:alignment lineHeight:0 kerning:0]; | |
| return [self addAttributes:attributes range:NSMakeRange(0, self.length)]; | |
| } | |
| - (void)updateWithColor:(UIColor *)color | |
| font:(UIFont *)font | |
| alignment:(NSTextAlignment)alignment | |
| lineHeight:(CGFloat)lineHeight | |
| { | |
| NSDictionary *attributes = [self.class attributesForColor:color font:font alignment:alignment lineHeight:lineHeight kerning:0]; | |
| return [self addAttributes:attributes range:NSMakeRange(0, self.length)]; | |
| } | |
| - (void)updateWithColor:(UIColor *)color | |
| font:(UIFont *)font | |
| alignment:(NSTextAlignment)alignment | |
| lineHeight:(CGFloat)lineHeight | |
| kerning:(CGFloat)kerning | |
| { | |
| NSDictionary *attributes = [self.class attributesForColor:color font:font alignment:alignment lineHeight:lineHeight kerning:kerning]; | |
| return [self addAttributes:attributes range:NSMakeRange(0, self.length)]; | |
| } | |
| @end | |
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