Allow setting placeholder text for input field

Author: ayanonagon

VENTokenField/VENTokenField.h

@@ -64,6 +64,8 @@
 
 @property (strong, nonatomic) UILabel *toLabel;
 
+@property (copy, nonatomic) NSString *placeholderText;
+
 - (void)setColorScheme:(UIColor *)color;
 
 @end

VENTokenField/VENTokenField.m

@@ -131,13 +131,20 @@ - (void)reloadData
     [self adjustHeightForCurrentY:currentY];
     [self.scrollView setContentSize:CGSizeMake(self.scrollView.contentSize.width, currentY + [self heightForToken])];
 
+    [self updateInputTextField];
     [self.inputTextField becomeFirstResponder];
 
     if ([self.delegate respondsToSelector:@selector(tokenFieldDidBeginEditing:)]) {
         [self.delegate tokenFieldDidBeginEditing:self];
     }
 }
 
+- (void)setPlaceholderText:(NSString *)placeholderText
+{
+    _placeholderText = placeholderText;
+    self.inputTextField.placeholder = _placeholderText;
+}
+
 - (void)setColorScheme:(UIColor *)color
 {
     _colorScheme = color;
@@ -289,6 +296,7 @@ - (VENBackspaceTextField *)inputTextField
         _inputTextField.autocorrectionType = UITextAutocorrectionTypeNo;
         _inputTextField.tintColor = self.colorScheme;
         _inputTextField.delegate = self;
+        _inputTextField.placeholder = self.placeholderText;
         [_inputTextField addTarget:self action:@selector(inputTextFieldDidChange:) forControlEvents:UIControlEventEditingChanged];
     }
     return _inputTextField;
@@ -339,6 +347,11 @@ - (void)setCursorVisibility
     }
 }
 
+- (void)updateInputTextField
+{
+    self.inputTextField.placeholder = [self.tokens count] ? nil : self.placeholderText;
+}
+
 
 #pragma mark - Data Source
 

VENTokenFieldSample/ViewController.m

@@ -22,6 +22,7 @@ - (void)viewDidLoad
     self.names = [NSMutableArray array];
     self.tokenField.delegate = self;
     self.tokenField.dataSource = self;
+    self.tokenField.placeholderText = NSLocalizedString(@"Enter names here", nil);
     [self.tokenField setColorScheme:[UIColor colorWithRed:61/255.0f green:149/255.0f blue:206/255.0f alpha:1.0f]];
 }