Merge pull request #9 from Jack-Rouleau/grid-cell-resize

Grid cell resize

.gitignore

@@ -21,6 +21,7 @@ xcuserdata/
 *.moved-aside
 *.xccheckout
 *.xcscmblueprint
+.DS_Store
 
 ## Obj-C/Swift specific
 *.hmap

MediaBrowser/MediaBrowserDelegate.swift

@@ -95,6 +95,12 @@ public protocol MediaBrowserDelegate: class {
      - Parameter index: Int
      */
     func title(for mediaBrowser: MediaBrowser, at index: Int) -> String?
+
+    /**
+     Optional protocol for grid cells resizing
+     - Returns: Optional CGSize
+     */
+    func gridCellSize() -> CGSize?
 }
 
 public extension MediaBrowserDelegate {
@@ -115,4 +121,6 @@ public extension MediaBrowserDelegate {
     func mediaDid(selected: Bool, at index: Int, in mediaBrowser: MediaBrowser) { }
 
     func title(for mediaBrowser: MediaBrowser, at index: Int) -> String? { return nil }
+
+    func gridCellSize() -> CGSize? { return nil }
 }

MediaBrowser/MediaGridViewController.swift

@@ -150,6 +150,10 @@ class MediaGridViewController: UICollectionViewController, UICollectionViewDeleg
     }
 
     func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
+        if let delegateSize = self.browser?.delegate?.gridCellSize() {
+            return delegateSize
+        }
+
         let value = CGFloat(floorf(Float((view.bounds.size.width - (columns - 1.0) * gutter - 2.0 * margin) / columns)))
 
         return CGSize(width: value, height: value)

MediaBrowserDemo/ViewController.swift

@@ -213,6 +213,15 @@ extension ViewController {
 
         self.tableView.deselectRow(at: indexPath, animated: true)
     }
+
+    // Uncomment this to resize the grid cells when viewing with grid
+    /*
+    func gridCellSize() -> CGSize? {
+        let desiredSize = self.view.frame.size.width * 0.3
+
+        return CGSize(width: desiredSize, height: desiredSize)
+    }
+     */
 
     override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
         let cellCheck = tableView.dequeueReusableCell(withIdentifier: "Cell")