Moved application code to the Application layer

Imported Win10 project
Code cleanup
WIP - Use common UWP services for Win8.1 and Win10

ModernKeePass10/Views/MainPageFrames/NewDatabasePage.xaml.cs

@@ -0,0 +1,101 @@
+using System;
+using System.Collections.Generic;
+using Windows.Storage.AccessCache;
+using Windows.Storage.Pickers;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Navigation;
+using Autofac;
+using ModernKeePass.Domain.Dtos;
+using ModernKeePass.Domain.Enums;
+using ModernKeePass.Domain.Interfaces;
+using ModernKeePass.Events;
+using ModernKeePass.ViewModels;
+
+// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234238
+
+namespace ModernKeePass.Views
+{
+    /// <summary>
+    /// An empty page that can be used on its own or navigated to within a Frame.
+    /// </summary>
+    public sealed partial class NewDatabasePage
+    {
+        private Frame _mainFrame;
+        private readonly IResourceService _resourceService;
+
+        public NewViewModel ViewModel { get; }
+
+        public NewDatabasePage(): this(App.Container.Resolve<IResourceService>())
+        { }
+
+        public NewDatabasePage(IResourceService resourceService)
+        {
+            InitializeComponent();
+            ViewModel = new NewViewModel();
+            _resourceService = resourceService;
+        }
+
+        protected override void OnNavigatedTo(NavigationEventArgs e)
+        {
+            base.OnNavigatedTo(e);
+            _mainFrame = e.Parameter as Frame;
+        }
+
+        private async void CreateDatabaseButton_OnClick(object sender, RoutedEventArgs e)
+        {
+            var savePicker = new FileSavePicker
+            {
+                SuggestedStartLocation = PickerLocationId.DocumentsLibrary,
+                SuggestedFileName = "New Database"
+            };
+            savePicker.FileTypeChoices.Add("KeePass 2.x database", new List<string> { ".kdbx" });
+
+            var file = await savePicker.PickSaveFileAsync();
+            if (file == null) return;
+
+            var token = StorageApplicationPermissions.FutureAccessList.Add(file);
+            var fileInfo = new FileInfo
+            {
+                Path = token,
+                Name = file.DisplayName
+            };
+            await ViewModel.OpenFile(fileInfo);
+        }
+
+        private void ImportFormatComboBox_OnSelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            var comboBox = sender as ComboBox;
+            switch (comboBox?.SelectedIndex)
+            {
+                case 0:
+                    ViewModel.ImportFormat = ImportFormat.CSV;
+                    ViewModel.ImportFileExtensionFilter = ".csv";
+                    ViewModel.ImportFormatHelp = _resourceService.GetResourceValue("NewImportFormatHelpCSV");
+                    break;
+            }
+        }
+
+        private async void ImportFileButton_OnClick(object sender, RoutedEventArgs e)
+        {
+            var picker =
+                new FileOpenPicker
+                {
+                    ViewMode = PickerViewMode.List,
+                    SuggestedStartLocation = PickerLocationId.DocumentsLibrary
+                };
+            if (!string.IsNullOrEmpty(ViewModel.ImportFileExtensionFilter))
+                picker.FileTypeFilter.Add(ViewModel.ImportFileExtensionFilter);
+
+            // Application now has read/write access to the picked file
+            ViewModel.ImportFile = await picker.PickSingleFileAsync();
+            if (ViewModel.ImportFile != null) ImportFileLink.Content = ViewModel.ImportFile.Name;
+        }
+
+        private void CompositeKeyUserControl_OnValidationChecked(object sender, EventArgs e)
+        {
+            ViewModel.PopulateInitialData();
+            _mainFrame.Navigate(typeof(GroupsPage));
+        }
+    }
+}