TableView reorder rows (Drag & Drop)

Now sessions can be rearranged by dragging the sessions in the table

Sessions Extension/SafariExtensionViewController/SafariExtensionViewController.swift

@@ -22,6 +22,8 @@ class SafariExtensionViewController: SFSafariExtensionViewController, NSControlT
 	var filteredSessions = [Session]()
 	// MARK: table
 	@IBOutlet weak var tableView: NSTableView!
+	let dragDropType = NSPasteboard.PasteboardType.string
+
 	// MARK: searchfield
 	@IBOutlet weak var searchField: NSSearchField!
 	var isSearching = false

Sessions Extension/SafariExtensionViewController/SafariExtensionViewControllerTable.swift

@@ -15,6 +15,7 @@ extension SafariExtensionViewController: NSTableViewDelegate, NSTableViewDataSou
 		tableView.delegate = self
 		tableView.dataSource = self
 		tableView.menu?.autoenablesItems = true
+		tableView.registerForDraggedTypes([dragDropType])
 	}
 
 
@@ -53,4 +54,73 @@ extension SafariExtensionViewController: NSTableViewDelegate, NSTableViewDataSou
 	@IBAction func tableDoubleClick(_ sender: Any?) {
 		restoreMenuItem(sender: sender)
 	}
+
+	// MARK: reorder rows
+
+	func tableView(_ tableView: NSTableView, pasteboardWriterForRow row: Int) -> NSPasteboardWriting? {
+		let item = NSPasteboardItem()
+		item.setString(String(row), forType: dragDropType)
+		return item
+	}
+
+	func tableView(_ tableView: NSTableView, validateDrop info: NSDraggingInfo, proposedRow row: Int, proposedDropOperation dropOperation: NSTableView.DropOperation) -> NSDragOperation {
+		if dropOperation == .above {
+			return .move
+		}
+		return []
+	}
+
+	func tableView(_ tableView: NSTableView, acceptDrop info: NSDraggingInfo, row: Int, dropOperation: NSTableView.DropOperation) -> Bool {
+		let originalRow = Int((info.draggingPasteboard.pasteboardItems?.first!.string(forType: .string))!) ?? -5
+		if originalRow == -5 { return false }
+
+		var newRow = row
+		// When you drag an item downwards, the "new row" index is actually --1. Remember dragging operation is `.above`.
+		if originalRow < newRow {
+			newRow = row - 1
+		}
+
+		// Animate the rows
+		tableView.beginUpdates()
+		tableView.moveRow(at: originalRow, to: newRow)
+		tableView.endUpdates()
+
+		// Persist the ordering by saving your data model
+		let trackItem = sessions[originalRow] //saving item
+		sessions.remove(at: originalRow) //removing from old position
+		sessions.insert(trackItem, at: newRow) //inserting at new pos
+
+		return true
+
+
+		/*
+		var oldIndexes = [Int]()
+		info.enumerateDraggingItems(options: [], for: tableView, classes: [NSPasteboardItem.self], searchOptions: [:]) { (item, i, pointer) in
+			if let str = (item.item as! NSPasteboardItem).string(forType: self.dragDropType), let index = Int(str) {
+				oldIndexes.append(index)
+			}
+		}
+
+		var oldIndexOffset = 0
+		var newIndexOffset = 0
+
+		// For simplicity, the code below uses `tableView.moveRowAtIndex` to move rows around directly.
+		// You may want to move rows in your content array and then call `tableView.reloadData()` instead.
+		tableView.beginUpdates()
+		for oldIndex in oldIndexes {
+			if oldIndex < row {
+				tableView.moveRow(at: oldIndex + oldIndexOffset, to: row - 1)
+				sessions.swapAt(oldIndex + oldIndexOffset, row - 1)
+				oldIndexOffset -= 1
+			} else {
+				tableView.moveRow(at: oldIndex, to: row + newIndexOffset)
+				sessions.swapAt(oldIndex, row + newIndexOffset)
+				newIndexOffset += 1
+			}
+		}
+		tableView.endUpdates()
+		*/
+		return true
+	}
+
 }

Sessions.xcodeproj/project.pbxproj

@@ -499,7 +499,7 @@
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = XX9N244QQT;
-				ENABLE_HARDENED_RUNTIME = YES;
+				ENABLE_HARDENED_RUNTIME = NO;
 				INFOPLIST_FILE = "Sessions Extension/Others/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
@@ -522,7 +522,7 @@
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = XX9N244QQT;
-				ENABLE_HARDENED_RUNTIME = YES;
+				ENABLE_HARDENED_RUNTIME = NO;
 				INFOPLIST_FILE = "Sessions Extension/Others/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",

Sessions.xcodeproj/xcuserdata/alex.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist

@@ -224,8 +224,8 @@
             endingColumnNumber = "9223372036854775807"
             startingLineNumber = "106"
             endingLineNumber = "106"
-            landmarkName = "restoreMenuItem(sender:)"
-            landmarkType = "7">
+            landmarkName = "SafariExtensionViewController"
+            landmarkType = "3">
          </BreakpointContent>
       </BreakpointProxy>
       <BreakpointProxy
@@ -256,8 +256,8 @@
             endingColumnNumber = "9223372036854775807"
             startingLineNumber = "107"
             endingLineNumber = "107"
-            landmarkName = "restoreMenuItem(sender:)"
-            landmarkType = "7">
+            landmarkName = "SafariExtensionViewController"
+            landmarkType = "3">
          </BreakpointContent>
       </BreakpointProxy>
       <BreakpointProxy