add RATreeView as source

doric-iOS/Devkit/Classes/RATreeView/RATableView.m

@@ -0,0 +1,183 @@
+//
+//  RATableView.m
+//  Pods
+//
+//  Created by Rafal Augustyniak on 15/11/15.
+//
+//
+
+
+#import "RATableView.h"
+#import <objc/runtime.h>
+
+
+@interface RATableView () <UITableViewDelegate>
+
+@end
+
+
+@implementation RATableView
+
+- (instancetype)initWithFrame:(CGRect)frame style:(UITableViewStyle)style
+{
+  self = [super initWithFrame:frame style:style];
+  if (self) {
+    [self commonInit];
+  }
+
+  return self;
+}
+
+- (instancetype)initWithCoder:(NSCoder *)aDecoder
+{
+  self = [super initWithCoder:aDecoder];
+  if (self) {
+    [self commonInit];
+  }
+
+  return self;
+}
+
+- (void)commonInit
+{
+  [super setDelegate:self];
+}
+
+- (void)setTableViewDelegate:(id<UITableViewDelegate>)tableViewDelegate
+{
+  if (_tableViewDelegate == tableViewDelegate) {
+    return;
+  }
+  [super setDelegate:nil];
+  _tableViewDelegate = tableViewDelegate;
+  [super setDelegate:self];
+}
+
+- (void)setDelegate:(id<UITableViewDelegate>)delegate
+{
+  if (self.scrollViewDelegate == delegate) {
+    return;
+  }
+  [super setDelegate:nil];
+  self.scrollViewDelegate = delegate;
+  [super setDelegate:self];
+}
+
+- (BOOL)respondsToSelector:(SEL)aSelector
+{
+  return [super respondsToSelector:aSelector]
+  || (SelectorBelongsToProtocol(@protocol(UIScrollViewDelegate), aSelector) && [self.scrollViewDelegate respondsToSelector:aSelector])
+  || (SelectorBelongsToProtocol(@protocol(UITableViewDelegate), aSelector) && [self.tableViewDelegate respondsToSelector:aSelector]);
+}
+
+- (id)forwardingTargetForSelector:(SEL)aSelector
+{
+  if (SelectorBelongsToProtocol(@protocol(UIScrollViewDelegate), aSelector)) {
+    return self.scrollViewDelegate;
+  } else if (SelectorBelongsToProtocol(@protocol(UITableViewDelegate), aSelector)) {
+    return self.tableViewDelegate;
+  } else {
+    return nil;
+  }
+}
+
+
+#pragma mark - ScrollView delegate
+
+- (void)scrollViewDidScroll:(UIScrollView *)scrollView
+{
+  if ([self.scrollViewDelegate respondsToSelector:@selector(scrollViewDidScroll:)]) {
+    [self.scrollViewDelegate scrollViewDidScroll:scrollView];
+  }
+}
+
+- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView
+{
+  if ([self.scrollViewDelegate respondsToSelector:@selector(scrollViewWillBeginDragging:)]) {
+    [self.scrollViewDelegate scrollViewWillBeginDragging:scrollView];
+  }
+}
+
+- (void)scrollViewWillEndDragging:(UIScrollView *)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inout CGPoint *)targetContentOffset
+{
+  if ([self.scrollViewDelegate respondsToSelector:@selector(scrollViewWillEndDragging:withVelocity:targetContentOffset:)]) {
+    [self.scrollViewDelegate scrollViewWillEndDragging:scrollView withVelocity:velocity targetContentOffset:targetContentOffset];
+  }
+}
+
+- (BOOL)scrollViewShouldScrollToTop:(UIScrollView *)scrollView
+{
+  if ([self.scrollViewDelegate respondsToSelector:@selector(scrollViewShouldScrollToTop:)]) {
+    return [self.scrollViewDelegate scrollViewShouldScrollToTop:scrollView];
+  }
+  return YES;
+}
+
+- (void)scrollViewDidScrollToTop:(UIScrollView *)scrollView
+{
+  if ([self.scrollViewDelegate respondsToSelector:@selector(scrollViewDidScroll:)]) {
+    [self.scrollViewDelegate scrollViewDidScroll:scrollView];
+  }
+}
+
+- (void)scrollViewWillBeginDecelerating:(UIScrollView *)scrollView
+{
+  if ([self.scrollViewDelegate respondsToSelector:@selector(scrollViewWillBeginDecelerating:)]) {
+    [self.scrollViewDelegate scrollViewWillBeginDecelerating:scrollView];
+  }
+}
+
+- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView
+{
+  if ([self.scrollViewDelegate respondsToSelector:@selector(scrollViewDidEndDecelerating:)]) {
+    [self.scrollViewDelegate scrollViewDidEndDecelerating:scrollView];
+  }
+}
+
+- (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView
+{
+  if ([self.scrollViewDelegate respondsToSelector:@selector(viewForZoomingInScrollView:)]) {
+    return [self.scrollViewDelegate viewForZoomingInScrollView:scrollView];
+  }
+  return nil;
+}
+
+- (void)scrollViewWillBeginZooming:(UIScrollView *)scrollView withView:(UIView *)view
+{
+  if ([self.scrollViewDelegate respondsToSelector:@selector(scrollViewWillBeginZooming:withView:)]) {
+    [self.scrollViewDelegate scrollViewWillBeginZooming:scrollView withView:view];
+  }
+}
+
+- (void)scrollViewDidEndZooming:(UIScrollView *)scrollView withView:(UIView *)view atScale:(CGFloat)scale
+{
+  if ([self.scrollViewDelegate respondsToSelector:@selector(scrollViewDidEndZooming:withView:atScale:)]) {
+    [self.scrollViewDelegate scrollViewDidEndZooming:scrollView withView:view atScale:scale];
+  }
+}
+
+- (void)scrollViewDidZoom:(UIScrollView *)scrollView
+{
+  if ([self.scrollViewDelegate respondsToSelector:@selector(scrollViewDidZoom:)]) {
+    [self.scrollViewDelegate scrollViewDidZoom:scrollView];
+  }
+}
+
+- (void)scrollViewDidEndScrollingAnimation:(UIScrollView *)scrollView
+{
+  if ([self.scrollViewDelegate respondsToSelector:@selector(scrollViewDidEndScrollingAnimation:)]) {
+    [self.scrollViewDelegate scrollViewDidEndScrollingAnimation:scrollView];
+  }
+}
+
+
+#pragma mark -
+
+static BOOL SelectorBelongsToProtocol(Protocol *protocol, SEL selector)
+{
+  struct objc_method_description methodDescription = protocol_getMethodDescription(protocol, selector, NO, YES);
+
+  return NULL != methodDescription.name;
+}
+
+@end