add OK/Cancel functionality dialogue

resources/assets/typescript/Sakura/Dialogue.ts

@@ -40,6 +40,12 @@ namespace Sakura
                     }
                     break;
 
+                case DialogueType.OKCancel:
+                    modifiers.push('ok-cancel');
+                    buttons.push(DialogueButton.Cancel);
+                    buttons.push(DialogueButton.Ok);
+                    break;
+
                 default:
                     modifiers.push('info');
                     buttons.push(DialogueButton.Ok);

resources/assets/typescript/Sakura/DialogueButton.ts

@@ -4,6 +4,7 @@ namespace Sakura
     {
         Yes,
         No,
-        Ok
+        Ok,
+        Cancel
     }
 }

resources/assets/typescript/Sakura/DialogueType.ts

@@ -4,6 +4,7 @@ namespace Sakura
     {
         Info,
         Confirm,
-        ConfirmNegative
+        ConfirmNegative,
+        OKCancel
     }
 }