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Fixed issue #38 with custom keyboards #89

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Fixed issue #38 with custom keyboards #89

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bd593bf
Fixed issue #38 with custom keyboards
Feb 25, 2016
28d4a9b
Added the `backspaceDelegate` which works for default iOS keyboard
Feb 25, 2016
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38 changes: 26 additions & 12 deletions VENTokenField/VENTokenField.m
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Original file line number Diff line number Diff line change
Expand Up @@ -282,15 +282,15 @@ - (void)layoutToLabelInView:(UIView *)view origin:(CGPoint)origin currentX:(CGFl
{
[self.toLabel removeFromSuperview];
self.toLabel = [self toLabel];

CGRect newFrame = self.toLabel.frame;
newFrame.origin = origin;

[self.toLabel sizeToFit];
newFrame.size.width = CGRectGetWidth(self.toLabel.frame);

self.toLabel.frame = newFrame;

[view addSubview:self.toLabel];
*currentX += self.toLabel.hidden ? CGRectGetMinX(self.toLabel.frame) : CGRectGetMaxX(self.toLabel.frame) + VENTokenFieldDefaultToLabelPadding;
}
Expand All @@ -309,7 +309,7 @@ - (void)layoutTokensWithCurrentX:(CGFloat *)currentX currentY:(CGFloat *)current

[token setTitleText:[NSString stringWithFormat:@"%@,", title]];
token.colorScheme = [self colorSchemeForTokenAtIndex:i];

[self.tokens addObject:token];

if (*currentX + token.width <= self.scrollView.contentSize.width) { // token fits in current line
Expand Down Expand Up @@ -341,6 +341,7 @@ - (void)layoutInvisibleTextField
self.invisibleTextField = [[VENBackspaceTextField alloc] initWithFrame:CGRectZero];
[self.invisibleTextField setAutocorrectionType:self.autocorrectionType];
[self.invisibleTextField setAutocapitalizationType:self.autocapitalizationType];
self.invisibleTextField.delegate = self;
self.invisibleTextField.backspaceDelegate = self;
[self addSubview:self.invisibleTextField];
}
Expand Down Expand Up @@ -473,7 +474,7 @@ - (void)unhighlightAllTokens
for (VENToken *token in self.tokens) {
token.highlighted = NO;
}

[self setCursorVisibility];
}

Expand All @@ -482,7 +483,7 @@ - (void)setCursorVisibility
NSArray *highlightedTokens = [self.tokens filteredArrayUsingPredicate:[NSPredicate predicateWithBlock:^BOOL(VENToken *evaluatedObject, NSDictionary *bindings) {
return evaluatedObject.highlighted;
}]];

BOOL visible = [highlightedTokens count] == 0;
if (visible) {
[self inputTextFieldBecomeFirstResponder];
Expand Down Expand Up @@ -510,7 +511,7 @@ - (UIColor *)colorSchemeForTokenAtIndex:(NSUInteger)index {
if ([self.dataSource respondsToSelector:@selector(tokenField:colorSchemeForTokenAtIndex:)]) {
return [self.dataSource tokenField:self colorSchemeForTokenAtIndex:index];
}

return self.colorScheme;
}

Expand All @@ -521,7 +522,7 @@ - (NSString *)titleForTokenAtIndex:(NSUInteger)index
if ([self.dataSource respondsToSelector:@selector(tokenField:titleForTokenAtIndex:)]) {
return [self.dataSource tokenField:self titleForTokenAtIndex:index];
}

return [NSString string];
}

Expand All @@ -530,7 +531,7 @@ - (NSUInteger)numberOfTokens
if ([self.dataSource respondsToSelector:@selector(numberOfTokensInTokenField:)]) {
return [self.dataSource numberOfTokensInTokenField:self];
}

return 0;
}

Expand All @@ -539,7 +540,7 @@ - (NSString *)collapsedText
if ([self.dataSource respondsToSelector:@selector(tokenFieldCollapsedText:)]) {
return [self.dataSource tokenFieldCollapsedText:self];
}

return @"";
}

Expand All @@ -553,7 +554,7 @@ - (BOOL)textFieldShouldReturn:(UITextField *)textField
[self.delegate tokenField:self didEnterText:textField.text];
}
}

return NO;
}

Expand All @@ -566,6 +567,12 @@ - (void)textFieldDidBeginEditing:(UITextField *)textField

- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
{
if ([textField isKindOfClass:[VENBackspaceTextField class]] &&
[self isBackspacePressInTextField:textField range:range replacementString:string]) {
[self textFieldDidEnterBackspace:(VENBackspaceTextField *)textField];
return NO;
}

[self unhighlightAllTokens];
NSString *newString = [textField.text stringByReplacingCharactersInRange:range withString:string];
for (NSString *delimiter in self.delimiters) {
Expand All @@ -583,6 +590,13 @@ - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRang
return YES;
}

- (BOOL)isBackspacePressInTextField:(UITextField *)textField range:(NSRange)range replacementString:(NSString *)string {
return textField.text.length == 0 &&
range.location == 0 &&
range.length == 0 &&
string.length == 0;
}


#pragma mark - VENBackspaceTextFieldDelegate

Expand Down