Forked from daboe01/gist:597478ef112f7eee28a88326e1b70faf
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December 12, 2016 22:08
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Colorizing TextView
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| @import <Foundation/CPObject.j> | |
| @import <Foundation/CPAttributedString.j> | |
| var _regexColors; | |
| @implementation ColorizingTextView : KVOCPText | |
| { | |
| } | |
| + (void)initialize | |
| { | |
| _regexColors = @{ | |
| '0tags': [ /(<[^>]+>)/gi, [CPColor grayColor] ], | |
| 'strings': [ /['"](.+?)['"]/gi, [CPColor blueColor] ], | |
| 'between': [ />(.+?)</gi, [CPColor blackColor] ] | |
| }; | |
| } | |
| - (CPAttributedString) colorizedStringForString:(CPString)str | |
| { | |
| var keys = [[_regexColors allKeys] sortedArrayUsingSelector:@selector(compare:)], | |
| result = [[CPAttributedString alloc] initWithString:str]; | |
| [keys enumerateObjectsUsingBlock:function(key, idx, stop) | |
| { | |
| var val = [_regexColors objectForKey:key], | |
| re = val[0], | |
| col = val[1], | |
| match; | |
| while ((match = re.exec(str)) != null) | |
| { | |
| [result setAttributes:@{CPForegroundColorAttributeName:col} range:CPMakeRange(match.index, match[0].length)]; | |
| } | |
| }]; | |
| return result; | |
| } | |
| - (void)setObjectValue:(CPString)aString | |
| { | |
| [_textStorage beginEditing]; | |
| [_textStorage replaceCharactersInRange:CPMakeRange(0, [_layoutManager numberOfCharacters]) withAttributedString:[self colorizedStringForString:aString]]; | |
| [_textStorage endEditing]; | |
| [self setSelectedRange:CPMakeRange(0,0)] | |
| } | |
| @end |
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