Fixes a datasource crash by incorrectly setting flowlayouts

Example/Podfile.lock

@@ -1,5 +1,5 @@
 PODS:
-  - SwiftDataTables (0.5.0)
+  - SwiftDataTables (0.5.3)
 
 DEPENDENCIES:
   - SwiftDataTables (from `../`)
@@ -9,7 +9,7 @@ EXTERNAL SOURCES:
     :path: "../"
 
 SPEC CHECKSUMS:
-  SwiftDataTables: c6191386bf58e48178f0362170fa7d65439ccaf7
+  SwiftDataTables: 4d8361a5b6abff530e1f186eaa5853c330e28dcf
 
 PODFILE CHECKSUM: 117ac710a88fe801ecac2a925baa29b1107fef2e
 

SwiftDataTables.podspec

@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = 'SwiftDataTables'
-  s.version          = '0.5.2'
+  s.version          = '0.5.3'
   s.summary          = 'A Swift Data Table package that allows ordering, searching, and paging with extensible options.'
 
 # This description is used to generate tags and improve search results.

SwiftDataTables/Classes/SwiftDataTable.swift

@@ -192,7 +192,7 @@ public class SwiftDataTable: UIView {
     {
         self.options = options!
         super.init(frame: frame)
-        self.set(data: data, headerTitles: headerTitles, options: options)
+        self.set(data: data, headerTitles: headerTitles, options: options, shouldReplaceLayout: true)
         self.registerObservers()
 
 
@@ -243,12 +243,15 @@ public class SwiftDataTable: UIView {
         collectionView.register(UINib(nibName: menuLengthIdentifier, bundle: podBundle), forSupplementaryViewOfKind: SupplementaryViewType.searchHeader.rawValue, withReuseIdentifier: menuLengthIdentifier)
     }
 
-    func set(data: DataTableContent, headerTitles: [String], options: DataTableConfiguration? = nil){
+    func set(data: DataTableContent, headerTitles: [String], options: DataTableConfiguration? = nil, shouldReplaceLayout: Bool = false){
         self.dataStructure = DataStructureModel(data: data, headerTitles: headerTitles)
         self.createDataCellViewModels(with: self.dataStructure)
-        self.layout = SwiftDataTableFlowLayout(dataTable: self)
         self.calculateColumnWidths()
         self.applyOptions(options)
+        if(shouldReplaceLayout){
+            self.layout = SwiftDataTableFlowLayout(dataTable: self)
+        }
+
     }
 
     func applyOptions(_ options: DataTableConfiguration?){
@@ -313,9 +316,11 @@ public class SwiftDataTable: UIView {
         for index in 0..<numberOfRows {
             data.append(self.dataSource.dataTable(self, dataForRowAt: index))
         }
+
+        self.layout?.clearLayoutCache()
+        self.collectionView.resetScrollPositionToTop()
         self.set(data: data, headerTitles: headerTitles, options: self.options)
-        self.collectionView.collectionViewLayout.invalidateLayout()
-        self.update()
+        self.collectionView.reloadData()
     }
 }
 

SwiftDataTables/Classes/SwiftDataTableFlowLayout.swift

@@ -43,7 +43,7 @@ class SwiftDataTableFlowLayout: UICollectionViewFlowLayout {
             return
         }
         self.dataTable.calculateColumnWidths()
-        let methodStart = Date()
+        //let methodStart = Date()
 
         var xOffsets = [CGFloat]()
         var yOffsets = [CGFloat]()