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Provide support for supplying a NSAttributedString for the token instead... #24

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1 change: 1 addition & 0 deletions VENTokenField/VENToken.h
Original file line number Diff line number Diff line change
Expand Up @@ -29,5 +29,6 @@
@property (strong, nonatomic) UIColor *colorScheme;

- (void)setTitleText:(NSString *)text;
- (void)setAttributedTitleText:(NSAttributedString *)attributedTitleText;

@end
11 changes: 11 additions & 0 deletions VENTokenField/VENToken.m
Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,17 @@ - (void)setUpInit
- (void)setTitleText:(NSString *)text
{
self.titleLabel.text = text;
[self setText];
}

- (void)setAttributedTitleText:(NSAttributedString *)attributedTitleText
{
self.titleLabel.attributedText = attributedTitleText;
[self setText];
}

- (void)setText
{
self.titleLabel.textColor = self.colorScheme;
[self.titleLabel sizeToFit];
self.frame = CGRectMake(CGRectGetMinX(self.frame), CGRectGetMinY(self.frame), CGRectGetMaxX(self.titleLabel.frame) + 3, CGRectGetHeight(self.frame));
Expand Down
1 change: 1 addition & 0 deletions VENTokenField/VENTokenField.h
Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@
@protocol VENTokenFieldDataSource <NSObject>
@optional
- (NSString *)tokenField:(VENTokenField *)tokenField titleForTokenAtIndex:(NSUInteger)index;
- (NSAttributedString *)tokenField:(VENTokenField *)tokenField attributedTitleForTokenAtIndex:(NSUInteger)index;
- (NSUInteger)numberOfTokensInTokenField:(VENTokenField *)tokenField;
- (NSString *)tokenFieldCollapsedText:(VENTokenField *)tokenField;
@end
Expand Down
30 changes: 27 additions & 3 deletions VENTokenField/VENTokenField.m
Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@ @interface VENTokenField () <VENBackspaceTextFieldDelegate>
@property (strong, nonatomic) VENBackspaceTextField *inputTextField;
@property (strong, nonatomic) UIColor *colorScheme;
@property (strong, nonatomic) UILabel *collapsedLabel;
@property (nonatomic, readonly) BOOL isAttributedToken;

@end

Expand Down Expand Up @@ -248,16 +249,26 @@ - (void)layoutToLabelInView:(UIView *)view origin:(CGPoint)origin currentX:(CGFl
- (void)layoutTokensWithCurrentX:(CGFloat *)currentX currentY:(CGFloat *)currentY
{
for (NSUInteger i = 0; i < [self numberOfTokens]; i++) {
NSString *title = [self titleForTokenAtIndex:i];
VENToken *token = [[VENToken alloc] init];
token.colorScheme = self.colorScheme;

__weak VENToken *weakToken = token;
token.didTapTokenBlock = ^{
[self didTapToken:weakToken];
};

[token setTitleText:[NSString stringWithFormat:@"%@,", title]];

if ([self isAttributedToken]) {
NSAttributedString *attributedString = [self attributedTitleForTokenAtIndex:i];
NSRange range = NSMakeRange(0, attributedString.length);
attributedString = [[NSAttributedString alloc]
initWithString:[NSString stringWithFormat:@"%@,", attributedString.string]
attributes:[attributedString attributesAtIndex:0 effectiveRange:&range]];

[token setAttributedTitleText:attributedString];
} else {
[token setTitleText:[NSString stringWithFormat:@"%@,",[self titleForTokenAtIndex:i]]];
}

[self.tokens addObject:token];

if (*currentX + token.width <= self.scrollView.contentSize.width) { // token fits in current line
Expand All @@ -284,6 +295,11 @@ - (CGFloat)heightForToken
return 30;
}

- (BOOL)isAttributedToken
{
return [self.dataSource respondsToSelector:@selector(tokenField:attributedTitleForTokenAtIndex:)];
}

- (void)layoutInvisibleTextField
{
self.invisibleTextField = [[VENBackspaceTextField alloc] initWithFrame:CGRectZero];
Expand Down Expand Up @@ -429,6 +445,14 @@ - (NSString *)titleForTokenAtIndex:(NSUInteger)index
return [NSString string];
}

- (NSAttributedString *)attributedTitleForTokenAtIndex:(NSUInteger)index
{
if([self isAttributedToken]) {
return [self.dataSource tokenField:self attributedTitleForTokenAtIndex:index];
}
return [NSAttributedString new];
}

- (NSUInteger)numberOfTokens
{
if ([self.dataSource respondsToSelector:@selector(numberOfTokensInTokenField:)]) {
Expand Down