Merge pull request #79 from VUID/master

Added token initialization functions and ability to limit number of tokens to be entered

TITokenField.h

@@ -92,11 +92,14 @@ typedef enum {
 @property (nonatomic, assign) BOOL resultsModeEnabled;
 @property (nonatomic, assign) BOOL removesTokensOnEndEditing;
 @property (nonatomic, readonly) int numberOfLines;
+@property (nonatomic) int tokenLimit;
 @property (nonatomic, strong) NSCharacterSet * tokenizingCharacters;
 
 - (void)addToken:(TIToken *)title;
 - (TIToken *)addTokenWithTitle:(NSString *)title;
 - (TIToken *)addTokenWithTitle:(NSString *)title representedObject:(id)object;
+- (void)addTokensWithTitleList:(NSString *)titleList;
+- (void)addTokensWithTitleArray:(NSArray *)titleArray;
 - (void)removeToken:(TIToken *)token;
 - (void)removeAllTokens;
 
@@ -139,4 +142,4 @@ typedef enum {
 + (UIColor *)redTintColor;
 + (UIColor *)greenTintColor;
 
-@end
+@end

TITokenField.m

@@ -71,8 +71,8 @@ - (void)setup {
 	_showAlreadyTokenized = NO;
     _searchSubtitles = YES;
     _forcePickSearchResult = NO;
-  _shouldSortResults = YES;
-  _shouldSearchInBackground = NO;
+    	_shouldSortResults = YES;
+    	_shouldSearchInBackground = NO;
 	_resultsArray = [NSMutableArray array];
 
 	_tokenField = [[TITokenField alloc] initWithFrame:CGRectMake(0, 0, self.bounds.size.width, 42)];
@@ -484,7 +484,7 @@ - (void)setup {
 	[self.layer setShadowRadius:12];
 
 	[self setPromptText:@"To:"];
-	[self setText:kTextEmpty];
+    	[self setText:kTextEmpty];
 
 	_internalDelegate = [[TITokenFieldInternalDelegate alloc] init];
 	[_internalDelegate setTokenField:self];
@@ -494,6 +494,7 @@ - (void)setup {
 	_editable = YES;
 	_removesTokensOnEndEditing = YES;
 	_tokenizingCharacters = [NSCharacterSet characterSetWithCharactersInString:@","];
+    _tokenLimit = -1;
 }
 
 #pragma mark Property Overrides
@@ -633,6 +634,19 @@ - (TIToken *)addTokenWithTitle:(NSString *)title representedObject:(id)object {
 	return nil;
 }
 
+- (void)addTokensWithTitleList:(NSString *)titleList {
+    if ([titleList length] > 0) {
+        self.text = titleList;
+        [self tokenizeText];
+    }
+}
+
+- (void)addTokensWithTitleArray:(NSArray *)titleArray {
+    for (NSString *title in titleArray) {
+        [self addTokenWithTitle:title];
+    }
+}
+
 - (void)addToken:(TIToken *)token {
 
 	BOOL shouldAdd = YES;
@@ -986,6 +1000,11 @@ - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRang
 	if ([_delegate respondsToSelector:@selector(textField:shouldChangeCharactersInRange:replacementString:)]){
 		return [_delegate textField:textField shouldChangeCharactersInRange:range replacementString:string];
 	}
+
+    if (_tokenField.tokenLimit!=-1 &&
+        [_tokenField.tokens count] >= _tokenField.tokenLimit) {
+        return NO;
+    }
 
 	return YES;
 }