exposing the floating label text

allowing the label to differ from the placeholder if needed

Author: louoso

MaterialTextField/MFTextField.h

@@ -98,4 +98,9 @@ IB_DESIGNABLE
  */
 @property (nonatomic) IBInspectable CGSize errorPadding;
 
+/**
+ * The text that is displayed above the text field when there is input.
+ */
+@property (nonatomic) NSString *floatingLabelText;
+
 @end

MaterialTextField/MFTextField.m

@@ -206,6 +206,12 @@ - (void)setAttributedText:(NSAttributedString *)attributedText
     [self updateDefaultPlaceholderFont];
 }
 
+- (void)setFloatingLabelText:(NSString *)floatingLabelText
+{
+    _floatingLabelText = floatingLabelText;
+    [self updatePlaceholderText];
+}
+
 - (void)setPlaceholder:(NSString *)placeholder
 {
     [super setPlaceholder:placeholder];
@@ -492,7 +498,8 @@ - (void)hidePlaceholderLabelAnimated:(BOOL)animated
 
 - (void)updatePlaceholderText
 {
-    self.placeholderLabel.text = self.placeholder ?: self.placeholderAttributedString.string;
+    NSString * actualPlaceholder = self.placeholder ?: self.placeholderAttributedString.string;
+    self.placeholderLabel.text = self.floatingLabelText ?: actualPlaceholder;
     [self.placeholderLabel sizeToFit];
     [self invalidateIntrinsicContentSize];
 }