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Diffstat (limited to 'Source/SPTextViewAdditions.m')
| -rw-r--r-- | Source/SPTextViewAdditions.m | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/Source/SPTextViewAdditions.m b/Source/SPTextViewAdditions.m index 426cc1b5..6031399d 100644 --- a/Source/SPTextViewAdditions.m +++ b/Source/SPTextViewAdditions.m @@ -24,5 +24,185 @@ @implementation NSTextView (SPTextViewAdditions) +/* + * Returns the range of the current word. + * finds: [| := caret] |word wo|rd word| + * If | is in between whitespaces nothing will be selected. + */ +- (NSRange)getRangeForCurrentWord +{ + + NSRange curRange = [self selectedRange]; + unsigned long curLocation = curRange.location; + + [self moveWordLeft:self]; + [self moveWordRightAndModifySelection:self]; + + unsigned long newStartRange = [self selectedRange].location; + unsigned long newEndRange = newStartRange + [self selectedRange].length; + + // if current location does not intersect with found range + // then caret is at the begin of a word -> change strategy + if(curLocation < newStartRange || curLocation > newEndRange) + { + [self setSelectedRange:curRange]; + [self moveWordRightAndModifySelection:self]; + } + + if([[[self string] substringWithRange:[self selectedRange]] rangeOfCharacterFromSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]].location != NSNotFound) + [self setSelectedRange:curRange]; + + NSRange wordRange = [self selectedRange]; + + [self setSelectedRange:curRange]; + + return(wordRange); + +} + +/* + * Select current word. + * finds: [| := caret] |word wo|rd word| + * If | is in between whitespaces nothing will be selected. + */ +- (IBAction)selectCurrentWord:(id)sender +{ + [self setSelectedRange:[self getRangeForCurrentWord]]; +} + +/* + * Select current line. + */ +- (IBAction)selectCurrentLine:(id)sender +{ + [self doCommandBySelector:@selector(moveToBeginningOfLine:)]; + [self doCommandBySelector:@selector(moveToEndOfLineAndModifySelection:)]; +} + +/* + * Change selection or current word to upper case and preserves the selection. + */ +- (IBAction)doSelectionUpperCase:(id)sender +{ + NSRange curRange = [self selectedRange]; + NSRange selRange = (curRange.length) ? curRange : [self getRangeForCurrentWord]; + [self setSelectedRange:selRange]; + [self insertText:[[[self string] substringWithRange:selRange] uppercaseString]]; + [self setSelectedRange:curRange]; +} + +/* + * Change selection or current word to lower case and preserves the selection. + */ +- (IBAction)doSelectionLowerCase:(id)sender +{ + NSRange curRange = [self selectedRange]; + NSRange selRange = (curRange.length) ? curRange : [self getRangeForCurrentWord]; + [self setSelectedRange:selRange]; + [self insertText:[[[self string] substringWithRange:selRange] lowercaseString]]; + [self setSelectedRange:curRange]; +} + +/* + * Change selection or current word to title case and preserves the selection. + */ +- (IBAction)doSelectionTitleCase:(id)sender +{ + NSRange curRange = [self selectedRange]; + NSRange selRange = (curRange.length) ? curRange : [self getRangeForCurrentWord]; + [self setSelectedRange:selRange]; + [self insertText:[[[self string] substringWithRange:selRange] capitalizedString]]; + [self setSelectedRange:curRange]; +} + +/* + * Change selection or current word according to Unicode's NFD and preserves the selection. + */ +- (IBAction)doDecomposedStringWithCanonicalMapping:(id)sender +{ + NSRange curRange = [self selectedRange]; + NSRange selRange = (curRange.length) ? curRange : [self getRangeForCurrentWord]; + [self setSelectedRange:selRange]; + NSString* convString = [[[self string] substringWithRange:selRange] decomposedStringWithCanonicalMapping]; + [self insertText:convString]; + + // correct range for combining characters + if(curRange.length) + [self setSelectedRange:NSMakeRange(selRange.location, [convString length])]; + else + // if no selection place the caret at the end of the current word + { + NSRange newRange = [self getRangeForCurrentWord]; + [self setSelectedRange:NSMakeRange(newRange.location + newRange.length, 0)]; + } +} + +/* + * Change selection or current word according to Unicode's NFKD and preserves the selection. + */ +- (IBAction)doDecomposedStringWithCompatibilityMapping:(id)sender +{ + NSRange curRange = [self selectedRange]; + NSRange selRange = (curRange.length) ? curRange : [self getRangeForCurrentWord]; + [self setSelectedRange:selRange]; + NSString* convString = [[[self string] substringWithRange:selRange] decomposedStringWithCompatibilityMapping]; + [self insertText:convString]; + + // correct range for combining characters + if(curRange.length) + [self setSelectedRange:NSMakeRange(selRange.location, [convString length])]; + else + // if no selection place the caret at the end of the current word + { + NSRange newRange = [self getRangeForCurrentWord]; + [self setSelectedRange:NSMakeRange(newRange.location + newRange.length, 0)]; + } +} + +/* + * Change selection or current word according to Unicode's NFC and preserves the selection. + */ +- (IBAction)doPrecomposedStringWithCanonicalMapping:(id)sender +{ + NSRange curRange = [self selectedRange]; + NSRange selRange = (curRange.length) ? curRange : [self getRangeForCurrentWord]; + [self setSelectedRange:selRange]; + NSString* convString = [[[self string] substringWithRange:selRange] precomposedStringWithCanonicalMapping]; + [self insertText:convString]; + + // correct range for combining characters + if(curRange.length) + [self setSelectedRange:NSMakeRange(selRange.location, [convString length])]; + else + // if no selection place the caret at the end of the current word + { + NSRange newRange = [self getRangeForCurrentWord]; + [self setSelectedRange:NSMakeRange(newRange.location + newRange.length, 0)]; + } +} + +/* + * Change selection or current word according to Unicode's NFKC to title case and preserves the selection. + */ +- (IBAction)doPrecomposedStringWithCompatibilityMapping:(id)sender +{ + NSRange curRange = [self selectedRange]; + NSRange selRange = (curRange.length) ? curRange : [self getRangeForCurrentWord]; + [self setSelectedRange:selRange]; + NSString* convString = [[[self string] substringWithRange:selRange] precomposedStringWithCompatibilityMapping]; + [self insertText:convString]; + + // correct range for combining characters + if(curRange.length) + [self setSelectedRange:NSMakeRange(selRange.location, [convString length])]; + else + // if no selection place the caret at the end of the current word + { + NSRange newRange = [self getRangeForCurrentWord]; + [self setSelectedRange:NSMakeRange(newRange.location + newRange.length, 0)]; + } +} + + @end |