Database file is now handled by each page, instead of a central place

Opening a database while another one is open triggers a warning message

ModernKeePass/App.xaml.cs

@@ -199,7 +199,7 @@ namespace ModernKeePass
             base.OnFileActivated(args);
             var rootFrame = new Frame();
             var file = args.Files[0] as StorageFile;
-            rootFrame.Navigate(typeof(OpenDatabasePage), file);
+            rootFrame.Navigate(typeof(MainPage), file);
             Window.Current.Content = rootFrame;
             Window.Current.Activate();
         }

ModernKeePass/ViewModels/CompositeKeyVm.cs

@@ -3,7 +3,6 @@ using System.Text;
 using System.Threading.Tasks;
 using Windows.Storage;
 using ModernKeePass.Common;
-using ModernKeePass.Exceptions;
 using ModernKeePass.Interfaces;
 using ModernKeePass.Services;
 using ModernKeePassLib.Cryptography;

ModernKeePass/ViewModels/MainVm.cs

@@ -1,6 +1,7 @@
 using System.Collections.ObjectModel;
 using System.Linq;
 using Windows.ApplicationModel;
+using Windows.Storage;
 using Windows.UI.Xaml.Controls;
 using ModernKeePass.Common;
 using ModernKeePass.Interfaces;
@@ -44,11 +45,11 @@ namespace ModernKeePass.ViewModels
 
         public MainVm() {}
 
-        internal MainVm(Frame referenceFrame, Frame destinationFrame) : this(referenceFrame, destinationFrame,
-            DatabaseService.Instance, new ResourcesService(), RecentService.Instance)
+        internal MainVm(Frame referenceFrame, Frame destinationFrame, StorageFile databaseFile = null) : this(referenceFrame, destinationFrame,
+            DatabaseService.Instance, new ResourcesService(), RecentService.Instance, databaseFile)
         { }
 
-        public MainVm(Frame referenceFrame, Frame destinationFrame, IDatabaseService database, IResourceService resource, IRecentService recent)
+        public MainVm(Frame referenceFrame, Frame destinationFrame, IDatabaseService database, IResourceService resource, IRecentService recent, StorageFile databaseFile = null)
         {
             var isDatabaseOpen = database != null && database.IsOpen;
 
@@ -59,8 +60,9 @@ namespace ModernKeePass.ViewModels
                     Title = resource.GetResourceValue("MainMenuItemOpen"),
                     PageType = typeof(OpenDatabasePage),
                     Destination = destinationFrame,
-                    Parameter = referenceFrame,
-                    SymbolIcon = Symbol.Page2
+                    Parameter = databaseFile,
+                    SymbolIcon = Symbol.Page2,
+                    IsSelected = databaseFile != null
                 },
                 new MainMenuItemVm
                 {

ModernKeePass/ViewModels/OpenVm.cs

@@ -9,7 +9,7 @@ namespace ModernKeePass.ViewModels
     {
         public bool IsFileSelected => DatabaseFile != null;
 
-        public string Name => DatabaseFile.DisplayName;
+        public string Name => DatabaseFile?.DisplayName;
 
         public StorageFile DatabaseFile { get; private set; }
 
@@ -31,6 +31,7 @@ namespace ModernKeePass.ViewModels
             DatabaseFile = file;
             OnPropertyChanged("Name");
             OnPropertyChanged("IsFileSelected");
+            OnPropertyChanged("DatabaseFile");
             AddToRecentList(file, recent);
         }
         

ModernKeePass/Views/MainPage.xaml.cs

@@ -1,4 +1,5 @@
-using Windows.UI.Xaml.Controls;
+using Windows.Storage;
+using Windows.UI.Xaml.Controls;
 using Windows.UI.Xaml.Navigation;
 using ModernKeePass.ViewModels;
 
@@ -32,7 +33,8 @@ namespace ModernKeePass.Views
         protected override void OnNavigatedTo(NavigationEventArgs e)
         {
             base.OnNavigatedTo(e);
-            DataContext = new MainVm(Frame, MenuFrame);
+            var file = e.Parameter as StorageFile;
+            DataContext = new MainVm(Frame, MenuFrame, file);
         }
     }
 }

ModernKeePass/Views/MainPageFrames/NewDatabasePage.xaml

@@ -20,7 +20,7 @@
     <StackPanel Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
         <HyperlinkButton x:Uid="NewCreateButton" Click="ButtonBase_OnClick" Foreground="{StaticResource MainColor}" Style="{StaticResource MainColorHyperlinkButton}" />
         <TextBlock Style="{StaticResource BodyTextBlockStyle}" Margin="15,0,0,30" x:Uid="NewCreateDesc" />
-        <Border HorizontalAlignment="Left" BorderThickness="1" BorderBrush="AliceBlue" Width="550" Visibility="{Binding ShowPasswordBox, Converter={StaticResource BooleanToVisibilityConverter}}">
+        <Border HorizontalAlignment="Left" BorderThickness="1" BorderBrush="AliceBlue" Width="550" Visibility="{Binding IsFileSelected, Converter={StaticResource BooleanToVisibilityConverter}}">
             <StackPanel Margin="25,0,25,0">
                 <TextBlock Text="{Binding Name}" />
                 <userControls:CompositeKeyUserControl x:Uid="CompositeKeyNewButton" CreateNew="True" DatabaseFile="{Binding DatabaseFile}">

ModernKeePass/Views/MainPageFrames/OpenDatabasePage.xaml

@@ -21,7 +21,7 @@
         <TextBlock Style="{StaticResource BodyTextBlockStyle}" Margin="15,0,0,30" x:Uid="OpenBrowseDesc" />
         <HyperlinkButton x:Uid="OpenUrlButton" IsEnabled="False" Foreground="{StaticResource MainColor}" Style="{StaticResource MainColorHyperlinkButton}" />
         <TextBlock Style="{StaticResource BodyTextBlockStyle}" Margin="15,0,0,30" x:Uid="OpenUrlDesc" />
-        <Border HorizontalAlignment="Left" BorderThickness="1" BorderBrush="AliceBlue" Width="550" Visibility="{Binding ShowPasswordBox, Converter={StaticResource BooleanToVisibilityConverter}}">
+        <Border HorizontalAlignment="Left" BorderThickness="1" BorderBrush="AliceBlue" Width="550" Visibility="{Binding IsFileSelected, Converter={StaticResource BooleanToVisibilityConverter}}">
             <StackPanel Margin="25,0,25,0">
                 <TextBlock Text="{Binding Name}" />
                 <userControls:CompositeKeyUserControl x:Uid="CompositeKeyOpenButton" DatabaseFile="{Binding DatabaseFile}">

ModernKeePass/Views/MainPageFrames/RecentDatabasesPage.xaml

@@ -50,11 +50,8 @@
                         </Grid.ColumnDefinitions>
                         <TextBlock Grid.Row="0" Text="{Binding Name}" Padding="5,0,0,0" />
                         <TextBlock Grid.Row="1" Text="{Binding Path}" Padding="5,0,0,0" FontSize="10" />
-                        <userControls:CompositeKeyUserControl Grid.Row="2" x:Name="DatabaseUserControl" x:Uid="CompositeKeyOpenButton" HorizontalAlignment="Stretch" MinWidth="400" Margin="0,10,0,0" Visibility="{Binding IsSelected, Converter={StaticResource BooleanToVisibilityConverter}}">
+                        <userControls:CompositeKeyUserControl Grid.Row="2" x:Name="DatabaseUserControl" x:Uid="CompositeKeyOpenButton" HorizontalAlignment="Stretch" MinWidth="400" Margin="0,10,0,0" Visibility="{Binding IsSelected, Converter={StaticResource BooleanToVisibilityConverter}}" DatabaseFile="{Binding DatabaseFile}">
                             <interactivity:Interaction.Behaviors>
-                                <core:EventTriggerBehavior EventName="ValidationChecking">
-                                    <core:CallMethodAction TargetObject="{Binding}" MethodName="OpenDatabaseFile" />
-                                </core:EventTriggerBehavior>
                                 <core:EventTriggerBehavior EventName="ValidationChecked">
                                     <core:CallMethodAction TargetObject="{Binding}" MethodName="UpdateAccessTime" />
                                     <core:NavigateToPageAction TargetPage="ModernKeePass.Views.GroupDetailPage" />