Simplified canDragAtPoint method

Author: Michael Michailidis

.gitignore

@@ -1,2 +1,3 @@
 .DS_Store
-
+DerivedData/
+**/xcuserdata/**

KDDragAndDropCollectionViews/KDDragAndDropCollectionView.swift

@@ -46,11 +46,11 @@ class KDDragAndDropCollectionView: UICollectionView, KDDraggable, KDDroppable {
     // MARK : KDDraggable
     func canDragAtPoint(_ point : CGPoint) -> Bool {
 
-        guard let _ = self.dataSource as? KDDragAndDropCollectionViewDataSource else {
-            return false
+        if self.dataSource is KDDragAndDropCollectionViewDataSource {
+            return self.indexPathForItem(at: point) != nil
         }
+        return false
 
-        return self.indexPathForItem(at: point) != nil
     }
 
     func representationImageAtPoint(_ point : CGPoint) -> UIView? {

KDDragAndDropCollectionViews/KDDragAndDropManager.swift

@@ -8,6 +8,8 @@
 
 import UIKit
 
+
+
 @objc protocol KDDraggable {
     func canDragAtPoint(_ point : CGPoint) -> Bool
     func representationImageAtPoint(_ point : CGPoint) -> UIView?
@@ -129,7 +131,7 @@ class KDDragAndDropManager: NSObject, UIGestureRecognizerDelegate {
 
                 var mainOverView : UIView?
 
-                for view in self.views.filter({ v -> Bool in v is KDDroppable }) {
+                for view in self.views where view is KDDraggable  {
 
                     let viewFrameOnCanvas = self.convertRectToCanvas(view.frame, fromView: view)