Merge pull request #9 from mirego/fix/ScrollToIndex_previous_button_i…

…ndex_larger_than_button_count ScrollToIndex: fix when previousButton index is larger than current button count
mirego · Jun 14, 2016 · 1cdb81f · 1cdb81f
2 parents 46f701d + 4dac33b
commit 1cdb81f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Pod/Classes/MRGPagerTitleStrip.m b/Pod/Classes/MRGPagerTitleStrip.m
@@ -197,10 +197,10 @@ - (void)scrollToIndex:(CGFloat)index animated:(BOOL)animated {
 
     if ([self.buttons count] > 0 && (self.scrollView.contentSize.width > CGRectGetWidth(self.scrollView.bounds))) {
         CGFloat offset = 0;
-        NSInteger prevButtonIndex = MAX(floorf(index), 0);
+        NSInteger prevButtonIndex = MAX(MIN(floorf(index), [self.buttons count]), 0);
         NSInteger nextButtonIndex = MIN(ceilf(index), [self.buttons count] - 1);
 
-        for (NSInteger ii = 0, count = MIN(prevButtonIndex, [self.buttons count]); ii < count; ++ii) {
+        for (NSInteger ii = 0, count = prevButtonIndex; ii < count; ++ii) {
             offset += CGRectGetWidth([self.buttons[ii] bounds]);
             offset += self.separatorSize.width;
         }