Persistence

Checklists.xcodeproj/xcuserdata/mriddle.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist

@@ -4,19 +4,13 @@
    version = "2.0">
    <Breakpoints>
       <BreakpointProxy
-         BreakpointExtensionID = "Xcode.Breakpoint.FileBreakpoint">
+         BreakpointExtensionID = "Xcode.Breakpoint.ExceptionBreakpoint">
          <BreakpointContent
-            shouldBeEnabled = "No"
+            shouldBeEnabled = "Yes"
             ignoreCount = "0"
             continueAfterRunningActions = "No"
-            filePath = "Checklists/ChecklistItem.swift"
-            timestampString = "483431778.647364"
-            startingColumnNumber = "9223372036854775807"
-            endingColumnNumber = "9223372036854775807"
-            startingLineNumber = "16"
-            endingLineNumber = "16"
-            landmarkName = "init(text:checked:)"
-            landmarkType = "5">
+            scope = "0"
+            stopOnStyle = "0">
          </BreakpointContent>
       </BreakpointProxy>
    </Breakpoints>

Checklists/ChecklistItem.swift

@@ -8,10 +8,16 @@
 
 import Foundation
 
-class ChecklistItem: NSObject {
+class ChecklistItem: NSObject, NSCoding {
   var text: String
   var checked: Bool
 
+  required init?(coder aDecoder: NSCoder) {
+    text = aDecoder.decodeObjectForKey("Text") as! String
+    checked = aDecoder.decodeBoolForKey("Checked")
+    super.init()
+  }
+
   init(text: String, checked: Bool) {
     self.text = text
     self.checked = checked
@@ -21,5 +27,8 @@ class ChecklistItem: NSObject {
     checked = !checked
   }
 
-
+  func encodeWithCoder(aCoder: NSCoder) {
+    aCoder.encodeObject(text, forKey: "Text")
+    aCoder.encodeBool(checked, forKey: "Checked")
+  }
 }

Checklists/ChecklistViewController.swift

@@ -16,7 +16,12 @@ class ChecklistViewController: UITableViewController, ItemDetailViewControllerDe
     ChecklistItem(text: "Soccer practice", checked: false),
     ChecklistItem(text: "Eat ice cream", checked: false)
   ]
-
+
+  required init?(coder aDecoder: NSCoder) {
+    super.init(coder: aDecoder)
+    loadChecklistItems()
+  }
+
   override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
     if segue.identifier == "AddItem" {
       let navigationController = segue.destinationViewController as! UINavigationController
@@ -69,6 +74,7 @@ class ChecklistViewController: UITableViewController, ItemDetailViewControllerDe
 
     items.removeAtIndex(indexPath.row)
     tableView.deleteRowsAtIndexPaths([indexPath], withRowAnimation: .Automatic)
+    saveChecklistItems()
 
   }
 
@@ -79,6 +85,7 @@ class ChecklistViewController: UITableViewController, ItemDetailViewControllerDe
 
       item.toggleChecked()
       configureCheckmarkForCell(cell, withChecklistItem: item)
+      saveChecklistItems()
     }
 
     tableView.deselectRowAtIndexPath(indexPath, animated: true)
@@ -103,8 +110,9 @@ class ChecklistViewController: UITableViewController, ItemDetailViewControllerDe
   }
 
   func itemDetailViewController(controller: ItemDetailViewController, didFinishAddingItem item: ChecklistItem) {
-    dismissViewControllerAnimated(true, completion: nil)
     addItem(item)
+    saveChecklistItems()
+    dismissViewControllerAnimated(true, completion: nil)
   }
 
   func itemDetailViewController(controller: ItemDetailViewController, didFinishEditingItem item: ChecklistItem) {
@@ -114,7 +122,37 @@ class ChecklistViewController: UITableViewController, ItemDetailViewControllerDe
         configureTextForCell(cell, withChecklistItem: item)
       }
     }
+    saveChecklistItems()
     dismissViewControllerAnimated(true, completion: nil)
   }
+
+  func documentsDirectory() -> NSString {
+    let paths = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true)
+    return paths[0]
+  }
+
+  func dataFilePath() -> String {
+    return documentsDirectory().stringByAppendingPathComponent("Checklists.plist")
+  }
+
+  func saveChecklistItems() {
+    let data = NSMutableData()
+    let archiver = NSKeyedArchiver(forWritingWithMutableData: data)
+    archiver.encodeObject(items, forKey: "ChecklistItems")
+    archiver.finishEncoding()
+    data.writeToFile(dataFilePath(), atomically: true)
+  }
+
+  func loadChecklistItems() {
+    let path = dataFilePath()
+    if NSFileManager.defaultManager().fileExistsAtPath(path) {
+      if let data = NSData(contentsOfFile: path) {
+        let unarchiver = NSKeyedUnarchiver(forReadingWithData: data)
+        items = unarchiver.decodeObjectForKey("ChecklistItems")
+          as! [ChecklistItem]
+        unarchiver.finishDecoding()
+      }
+    }
+  }
 }