Add data source method for configuring the initial frame of the empty data set view. Closes #147

Source/UIScrollView+EmptyDataSet.h

@@ -84,7 +84,7 @@
  *
  *  @return image animation
  */
-- (CAAnimation *) imageAnimationForEmptyDataSet:(UIScrollView *) scrollView;
+- (CAAnimation *)imageAnimationForEmptyDataSet:(UIScrollView *) scrollView;
 
 /**
  Asks the data source for the title to be used for the specified button state.
@@ -143,6 +143,14 @@
 - (CGPoint)offsetForEmptyDataSet:(UIScrollView *)scrollView DEPRECATED_MSG_ATTRIBUTE("Use -verticalOffsetForEmptyDataSet:");
 - (CGFloat)verticalOffsetForEmptyDataSet:(UIScrollView *)scrollView;
 
+/**
+ Asks the data source for an initial frame for the empty data set view. Default is the scroll view's bounds.
+
+ @param scrollView A scrollView subclass object informing the delegate.
+ @return The initial frame for the empty data set view.
+ */
+- (CGRect)initialFrameForEmptyDataSet:(UIScrollView *)scrollView;
+
 /**
  Asks the data source for a vertical space between elements. Default is 11 pts.
 

Source/UIScrollView+EmptyDataSet.m

@@ -254,6 +254,16 @@ - (CGFloat)dzn_verticalOffset
     return offset;
 }
 
+- (CGRect)dzn_initialFrame
+{
+    CGRect frame = self.bounds;
+
+    if (self.emptyDataSetSource && [self.emptyDataSetSource respondsToSelector:@selector(initialFrameForEmptyDataSet:)]) {
+        frame = [self.emptyDataSetSource initialFrameForEmptyDataSet:self];
+    }
+    return frame;
+}
+
 - (CGFloat)dzn_verticalSpace
 {
     if (self.emptyDataSetSource && [self.emptyDataSetSource respondsToSelector:@selector(spaceHeightForEmptyDataSet:)]) {
@@ -413,6 +423,8 @@ - (void)dzn_reloadEmptyDataSet
         DZNEmptyDataSetView *view = self.emptyDataSetView;
 
         if (!view.superview) {
+            view.frame = [self dzn_initialFrame];
+
             // Send the view all the way to the back, in case a header and/or footer is present, as well as for sectionHeaders or any other content
             if (([self isKindOfClass:[UITableView class]] || [self isKindOfClass:[UICollectionView class]]) && self.subviews.count > 1) {
                 [self insertSubview:view atIndex:0];
@@ -681,8 +693,6 @@ - (instancetype)init
 
 - (void)didMoveToSuperview
 {
-    self.frame = self.superview.bounds;
-
     [UIView animateWithDuration:0.25
                      animations:^{_contentView.alpha = 1.0;}
                      completion:NULL];