Add deletion confirmation screen (fixes #19)

Secretive/AppDelegate.swift

@@ -33,7 +33,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
 
     @IBAction func add(sender: AnyObject?) {
         var addWindow: NSWindow!
-        let addView = CreateSecureEnclaveSecretView(store: secureEnclave) {
+        let addView = CreateSecretView(store: secureEnclave) {
             self.window.endSheet(addWindow)
         }
         addWindow = NSWindow(

Secretive/ContentView.swift

@@ -1,11 +1,14 @@
 import SwiftUI
 import SecretKit
 
-struct ContentView<StoreType: SecretStore>: View {
-
-    @ObservedObject var store: StoreType
-    @State var active: StoreType.SecretType?
-
+struct ContentView: View {
+    
+    @ObservedObject var store: SecureEnclave.Store
+    @State var active: SecureEnclave.Secret?
+    
+    @State var showingDeletion = false
+    @State var deletingSecret: SecureEnclave.Secret?
+    
     var body: some View {
         NavigationView {
             List {
@@ -27,15 +30,20 @@ struct ContentView<StoreType: SecretStore>: View {
             .frame(minWidth: 100, idealWidth: 240)
         }
         .navigationViewStyle(DoubleColumnNavigationViewStyle())
-
+        .sheet(isPresented: $showingDeletion) {
+            DeleteSecretView(secret: self.deletingSecret!, store: self.store) {
+                self.showingDeletion = false
+            }
+        }
+        
     }
-
-
-    func delete(secret: StoreType.SecretType) {
-        // TODO: Add "type the name of the key to delete" dialogue
-        try! store.delete(secret: secret)
+    
+    
+    func delete(secret: SecureEnclave.Secret) {
+        deletingSecret = secret
+        showingDeletion = true
     }
-
+    
 }
 //
 //struct ContentView_Previews: PreviewProvider {

Secretive/CreateSecretView.swift

@@ -1,7 +1,7 @@
 import SwiftUI
 import SecretKit
 
-struct CreateSecureEnclaveSecretView: View {
+struct CreateSecretView: View {
     
     @ObservedObject var store: SecureEnclave.Store
     

Secretive/DeleteSecretView.swift

@@ -0,0 +1,58 @@
+import SwiftUI
+import SecretKit
+
+struct DeleteSecretView: View {
+    
+    let secret: SecureEnclave.Secret
+    @ObservedObject var store: SecureEnclave.Store
+    
+    @State var confirm = ""
+    
+    fileprivate var dismissalBlock: () -> ()
+    
+    init(secret: SecureEnclave.Secret, store: SecureEnclave.Store, dismissalBlock: @escaping () -> ()) {
+        self.secret = secret
+        self.store = store
+        self.dismissalBlock = dismissalBlock
+    }
+    
+    var body: some View {
+        VStack {
+            HStack {
+                Image(nsImage: NSApp.applicationIconImage)
+                    .resizable()
+                    .frame(width: 64, height: 64)
+                    .padding()
+                VStack {
+                    HStack {
+                        Text("Delete \(secret.name)?").bold()
+                        Spacer()
+                    }
+                    HStack {
+                        Text("If you delete \(secret.name), you will not be able to recover it. Type \"\(secret.name)\" to confirm.")
+                        Spacer()
+                    }
+                    HStack {
+                        Text("Confirm Name:")
+                        TextField(secret.name, text: $confirm)
+                    }
+                }
+                .onExitCommand(perform: dismissalBlock)
+            }
+            HStack {
+                Spacer()
+                Button(action: delete) {
+                    Text("Delete")
+                }.disabled(confirm != secret.name)
+                Button(action: dismissalBlock) {
+                    Text("Don't Delete")
+                }
+            }
+        }.padding()
+    }
+    
+    func delete() {
+        try! store.delete(secret: secret)
+        dismissalBlock()
+    }
+}