Fixes #900 - Cell disappears while inline date picker is open

XLForm/XL/Cell/XLFormDateCell.m

@@ -95,10 +95,10 @@ -(BOOL)resignFirstResponder
         NSIndexPath * selectedRowPath = [self.formViewController.form indexPathOfFormRow:self.rowDescriptor];
         NSIndexPath * nextRowPath = [NSIndexPath indexPathForRow:selectedRowPath.row + 1 inSection:selectedRowPath.section];
         XLFormRowDescriptor * nextFormRow = [self.formViewController.form formRowAtIndex:nextRowPath];
-        BOOL result = [super resignFirstResponder];
         if ([nextFormRow.rowType isEqualToString:XLFormRowDescriptorTypeDatePicker]){
             [self.rowDescriptor.sectionDescriptor removeFormRow:nextFormRow];
         }
+        BOOL result = [super resignFirstResponder];
         return result;
     }
     return [super resignFirstResponder];

XLForm/XL/Helpers/UIView+XLFormAdditions.h

@@ -32,5 +32,6 @@
 -(NSLayoutConstraint *)layoutConstraintSameHeightOf:(UIView *)view;
 -(UIView *)findFirstResponder;
 -(UITableViewCell<XLFormDescriptorCell> *)formDescriptorCell;
+-(BOOL)isRTL;
 
 @end

XLForm/XL/Helpers/UIView+XLFormAdditions.m

@@ -70,4 +70,20 @@ - (UIView *)findFirstResponder
     return nil;
 }
 
+- (BOOL)isRTL{
+    BOOL isRTL = NO;
+    if([self respondsToSelector:@selector(effectiveUserInterfaceLayoutDirection)] &&
+       [self effectiveUserInterfaceLayoutDirection] == UIUserInterfaceLayoutDirectionRightToLeft) {
+        isRTL = YES;
+    }
+    else if ([[UIView class] respondsToSelector:@selector(userInterfaceLayoutDirectionForSemanticContentAttribute:)] &&
+             [UIView userInterfaceLayoutDirectionForSemanticContentAttribute:self.semanticContentAttribute] == UIUserInterfaceLayoutDirectionRightToLeft) {
+        isRTL = YES;
+    }
+    else if ([[UIApplication sharedApplication] userInterfaceLayoutDirection] == UIUserInterfaceLayoutDirectionRightToLeft){
+        isRTL = YES;
+    }
+    return isRTL;
+}
+
 @end

XLForm/XL/Helpers/Views/XLFormRowNavigationAccessoryView.m

@@ -24,7 +24,7 @@
 
 
 #import "XLFormRowNavigationAccessoryView.h"
-
+#import "UIView+XLFormAdditions.h"
 
 @interface XLFormRowNavigationAccessoryView ()
 
@@ -45,9 +45,10 @@ - (instancetype)initWithFrame:(CGRect)frame
     self = [super initWithFrame:CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width, 44.0)];
     if (self) {
         self.autoresizingMask = (UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleWidth);
-        NSArray * items = [NSArray arrayWithObjects:self.previousButton,
+        BOOL isRTL = [self isRTL];
+        NSArray * items = [NSArray arrayWithObjects:isRTL ? self.nextButton : self.previousButton,
                            self.fixedSpace,
-                           self.nextButton,
+                           isRTL ? self.previousButton : self.nextButton,
                            self.flexibleSpace,
                            self.doneButton, nil];
         [self setItems:items];