Merge pull request CEWendel#52 from onevcat/master

CEWendel · CEWendel · commit b5b2a92ba3f5 · 2013-12-24T00:08:06.000-08:00
Add -swipeableTableViewCell:canSwipeToState: delegate
diff --git a/SWTableViewCell/PodFiles/SWTableViewCell.h b/SWTableViewCell/PodFiles/SWTableViewCell.h
@@ -28,7 +28,7 @@ typedef enum {
 - (void)swipeableTableViewCell:(SWTableViewCell *)cell didTriggerLeftUtilityButtonWithIndex:(NSInteger)index;
 - (void)swipeableTableViewCell:(SWTableViewCell *)cell didTriggerRightUtilityButtonWithIndex:(NSInteger)index;
 - (void)swipeableTableViewCell:(SWTableViewCell *)cell scrollingToState:(SWCellState)state;
-
+- (BOOL)swipeableTableViewCell:(SWTableViewCell *)cell canSwipeToState:(SWCellState)state;
 @end
 
 @interface SWTableViewCell : UITableViewCell
diff --git a/SWTableViewCell/PodFiles/SWTableViewCell.m b/SWTableViewCell/PodFiles/SWTableViewCell.m
@@ -508,6 +508,14 @@ - (void)scrollViewDidScroll:(UIScrollView *)scrollView
     {
         if ([self rightUtilityButtonsWidth] > 0)
         {
+            if (self.delegate && [self.delegate respondsToSelector:@selector(swipeableTableViewCell:canSwipeToState:)])
+            {
+                scrollView.scrollEnabled = [self.delegate swipeableTableViewCell:self canSwipeToState:kCellStateRight];
+                if (!scrollView.scrollEnabled)
+                {
+                    return;
+                }
+            }
             CGFloat scrollViewWidth = MIN(scrollView.contentOffset.x - [self leftUtilityButtonsWidth], [self rightUtilityButtonsWidth]);
             
             // Expose the right button view
@@ -523,6 +531,14 @@ - (void)scrollViewDidScroll:(UIScrollView *)scrollView
         // Expose the left button view
         if ([self leftUtilityButtonsWidth] > 0)
         {
+            if (self.delegate && [self.delegate respondsToSelector:@selector(swipeableTableViewCell:canSwipeToState:)])
+            {
+                scrollView.scrollEnabled = [self.delegate swipeableTableViewCell:self canSwipeToState:kCellStateLeft];
+                if (!scrollView.scrollEnabled)
+                {
+                    return;
+                }
+            }
             CGFloat scrollViewWidth = MIN(scrollView.contentOffset.x - [self leftUtilityButtonsWidth], [self leftUtilityButtonsWidth]);
             
             self.scrollViewButtonViewLeft.frame = CGRectMake([self leftUtilityButtonsWidth], 0.0f, scrollViewWidth, self.height);
