Added ´- (void)scrollToPageIndex:animated:´ method to programmatically scroll to a specific page

GMGridView/GMGridView.h

@@ -107,6 +107,7 @@ typedef enum
 - (void)swapObjectAtIndex:(NSInteger)index1 withObjectAtIndex:(NSInteger)index2 animated:(BOOL)animated;
 - (void)swapObjectAtIndex:(NSInteger)index1 withObjectAtIndex:(NSInteger)index2 withAnimation:(GMGridViewItemAnimation)animation;
 - (void)scrollToObjectAtIndex:(NSInteger)index atScrollPosition:(GMGridViewScrollPosition)scrollPosition animated:(BOOL)animated;
+- (void)scrollToPageIndex:(NSInteger)index animated:(BOOL)animated;
 
 // Force the grid to update properties in an (probably) animated way.
 - (void)layoutSubviewsWithAnimation:(GMGridViewItemAnimation)animation;

GMGridView/GMGridView.m

@@ -476,9 +476,22 @@ - (void)contentOffset:(CGPoint)contentOffset
 //////////////////////////////////////////////////////////////
 #pragma mark GestureRecognizer delegate
 //////////////////////////////////////////////////////////////
+- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch
+{
+    if ( gestureRecognizer == _tapGesture) {
+        if ( [touch.view isDescendantOfView:self] ) {
+            // Test if the touched view is a subview of a control
+            for ( UIView *view = touch.view ; view != self ; view = view.superview )
+                if ( [view isKindOfClass:[UIControl class]] )
+                    return NO;
+        }
+    }
+
+    return YES;
+}
 
 - (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer
-{
+{    
     return YES;
 }
 
@@ -1611,6 +1624,25 @@ - (void)scrollToObjectAtIndex:(NSInteger)index atScrollPosition:(GMGridViewScrol
      ];
 }
 
+- (void)scrollToPageIndex:(NSInteger)index animated:(BOOL)animated
+{    
+    int pages = [self.layoutStrategy numberOfPages];    
+    if(index >= 0 && index < pages)
+    {
+        int scrollToX = self.frame.size.width * index;
+        [UIView animateWithDuration:animated ? kDefaultAnimationDuration : 0
+                              delay:0
+                            options:kDefaultAnimationOptions
+                         animations:^{
+                             [self setContentOffset:CGPointMake(scrollToX, 0) animated:NO];
+                         }
+                         completion:^(BOOL finished){
+                         }
+         ];
+
+    }
+}
+
 - (void)insertObjectAtIndex:(NSInteger)index animated:(BOOL)animated
 {
     [self insertObjectAtIndex:index withAnimation: animated ? GMGridViewItemAnimationScroll : GMGridViewItemAnimationNone];

GMGridView/GMGridViewLayoutStrategies.h

@@ -76,6 +76,9 @@ typedef enum {
 
 - (NSRange)rangeOfPositionsInBoundsFromOffset:(CGPoint)offset;
 
+@optional
+- (NSInteger)numberOfPages;
+
 @end
 
 

GMGridView/GMGridViewLayoutStrategies.m

@@ -511,6 +511,11 @@ - (NSRange)rangeOfPositionsInBoundsFromOffset:(CGPoint)offset
     return NSMakeRange(firstPosition, (lastPosition - firstPosition));
 }
 
+- (NSInteger)numberOfPages
+{
+    return _numberOfPages;
+}
+
 @end