support zero inset seperator

Author: suricforever

DropdownMenu.xcworkspace/xcuserdata/zhangxiaolian.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist

@@ -10,11 +10,11 @@
             ignoreCount = "0"
             continueAfterRunningActions = "No"
             filePath = "DropdownMenu/DropdownMenu.swift"
-            timestampString = "537247484.54931"
+            timestampString = "543491683.296456"
             startingColumnNumber = "9223372036854775807"
             endingColumnNumber = "9223372036854775807"
-            startingLineNumber = "141"
-            endingLineNumber = "141"
+            startingLineNumber = "145"
+            endingLineNumber = "145"
             landmarkName = "updateForOrientationChange(_:)"
             landmarkType = "7">
          </BreakpointContent>

DropdownMenu/DropdownMenu.swift

@@ -30,8 +30,10 @@ public extension DropdownMenuDelegate {
 
 open class DropdownMenu: UIView {
     fileprivate weak var navigationController: UINavigationController!
+   
     fileprivate var sections: [DropdownSection] = []
     fileprivate var selectedIndexPath: IndexPath
+    
     open var tableView: UITableView!
     fileprivate var barCoverView: UIView?
     fileprivate var isShow = false
@@ -80,6 +82,8 @@ open class DropdownMenu: UIView {
             tableView.separatorColor = tableViewSeperatorColor
         }
     }
+    open var zeroInsetSeperatorIndexPaths: [IndexPath] = []
+    
     open var cellBackgroundColor = UIColor.white
 
     open var displaySelected: Bool = true
@@ -342,6 +346,12 @@ extension DropdownMenu: UITableViewDataSource {
             cell.accessoryView = UIImageView(image: accesoryImage)
         }
 
+        if zeroInsetSeperatorIndexPaths.contains(indexPath) {
+            cell.separatorInset = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0)
+        } else {
+            cell.separatorInset = UIEdgeInsets(top: 0, left: tableView.layoutMargins.left, bottom: 0, right: 0)
+        }
+        
         return cell
     }
 

DropdownMenuDemo/DropdownMenuDemo/ViewController.swift

@@ -51,7 +51,8 @@ class ViewController: UIViewController {
             menuView = DropdownMenu(navigationController: navigationController!, items: [item1, item2, item3, item4], selectedRow: selectedRow)
         }
         menuView?.topOffsetY = CGFloat(offSetSlider.value)
-        menuView?.separatorStyle = .none
+        //menuView?.separatorStyle = .none
+        menuView?.zeroInsetSeperatorIndexPaths = [IndexPath(row: 1, section: 0)]
         menuView?.delegate = self
         menuView?.rowHeight = 50
         menuView?.showMenu()