Main page now allows password input

Group nesting works

ModernKeePass/MainPage.xaml

@@ -1,14 +1,41 @@
 <Page
-    x:Class="ModernKeePass.MainPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:local="using:ModernKeePass"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-    mc:Ignorable="d">
+    xmlns:ViewModels="using:ModernKeePass.ViewModels"
+    x:Class="ModernKeePass.MainPage"
+    mc:Ignorable="d"
+    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}" >
+    <Page.DataContext>
+        <ViewModels:DatabaseVm/>
+    </Page.DataContext>
 
-    <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
-        <Button Content="Open password database" HorizontalAlignment="Center" VerticalAlignment="Center" Click="Button_Click" />
-        <TextBlock Name="textBlock" HorizontalAlignment="Center" TextWrapping="Wrap" Text="TextBlock" VerticalAlignment="Center" Margin="0,100,0,0" />
+    <Grid HorizontalAlignment="Center" VerticalAlignment="Center">
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="250" />
+        </Grid.ColumnDefinitions>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="50" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+        <Button Grid.Column="0" Grid.Row="0" x:Name="selectButton" Content="Select password database" Click="Button_Click" HorizontalAlignment="Center" />
+        <Grid Grid.Column="0" Grid.Row="2" HorizontalAlignment="Center" Height="auto" VerticalAlignment="Top" Width="auto" Visibility="{Binding Visibility}" >
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="100" />
+                <ColumnDefinition Width="150" />
+            </Grid.ColumnDefinitions>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="*" />
+                <RowDefinition Height="*" />
+            </Grid.RowDefinitions>
+            <TextBlock Grid.Column="0" Grid.Row="0" x:Name="passwordTextBlock" HorizontalAlignment="Left" TextWrapping="Wrap" Text="Password" VerticalAlignment="Center" Height="auto" Width="auto" FontSize="16" Margin="10,7,0,6" />
+            <PasswordBox Grid.Column="1" Grid.Row="0" x:Name="passwordBox" VerticalAlignment="Top" HorizontalAlignment="Right" Width="130" Password="{Binding Password, Mode=TwoWay}" IsPasswordRevealButtonEnabled="True" Margin="0,0,10,0"/>
+            <Button Grid.Column="1" Grid.Row="1" x:Name="openBbutton" Content="Open" HorizontalAlignment="Right" VerticalAlignment="Top" Click="openBbutton_Click" Margin="0,0,7,0" Width="auto"/>
+            <TextBlock Grid.Column="1" Grid.Row="2" x:Name="errorTextBlock" TextWrapping="Wrap" Text="{Binding ErrorMessage}" HorizontalAlignment="Right" Height="auto" Width="auto" Foreground="#FF9E0909" Margin="0,0,10,0"/>
+        </Grid>
     </Grid>
 </Page>

ModernKeePass/MainPage.xaml.cs

@@ -31,15 +31,19 @@ namespace ModernKeePass
             if (file != null)
             {
                 // Application now has read/write access to the picked file
-                textBlock.Text = "Opened database: " + file.Name;
-                var database = new DatabaseVm();
-                database.Open(file, "test");
-                Frame.Navigate(typeof(GroupDetailPage), database.RootGroup);
+                DataContext = new DatabaseVm(file);
             }
             else
             {
-                textBlock.Text = "Operation cancelled.";
             }
         }
+        
+        private void openBbutton_Click(object sender, Windows.UI.Xaml.RoutedEventArgs e)
+        {
+            var database = DataContext as DatabaseVm;
+            database.Open();
+            if (database.IsOpen)
+                Frame.Navigate(typeof(GroupDetailPage), database.RootGroup);
+        }
     }
 }

ModernKeePass/Pages/GroupDetailPage.xaml

@@ -26,20 +26,21 @@
 
         <Grid.Resources>
             <CollectionViewSource
-                x:Name="itemsViewSource"
+                x:Name="groupsViewSource"
                 Source="{Binding Groups}"/>
         </Grid.Resources>
         <!-- Horizontal scrolling grid -->
         <GridView
-            x:Name="itemGridView"
+            x:Name="groupGridView"
             AutomationProperties.AutomationId="ItemGridView"
             AutomationProperties.Name="Groups"
             TabIndex="1"
             Grid.RowSpan="2"
             Padding="120,126,120,50"
-            ItemsSource="{Binding Source={StaticResource itemsViewSource}}"
-            SelectionMode="None"
-            IsSwipeEnabled="false">
+            ItemsSource="{Binding Source={StaticResource groupsViewSource}}"
+            IsSwipeEnabled="false" 
+            SelectionChanged="itemGridView_SelectionChanged"
+            SelectedIndex="-1" >
             <GridView.ItemTemplate>
                 <DataTemplate>
                     <Grid Height="110" Width="480" Margin="10">
@@ -54,15 +55,14 @@
                             <TextBlock Text="{Binding Name}" Style="{StaticResource TitleTextBlockStyle}" TextWrapping="NoWrap"/>
                             <TextBlock Style="{StaticResource CaptionTextBlockStyle}" TextWrapping="NoWrap"/>
                             <TextBlock Text="{Binding EntryCount}" Style="{StaticResource BodyTextBlockStyle}" MaxHeight="60"/>
+                            <TextBlock Text="{Binding GroupCount}" Style="{StaticResource BodyTextBlockStyle}" MaxHeight="60"/>
                         </StackPanel>
                     </Grid>
                 </DataTemplate>
             </GridView.ItemTemplate>
             <GridView.Header>
                 <StackPanel Width="480" Margin="0,4,14,0">
-                    <TextBlock Margin="0,0,0,20" Style="{StaticResource SubheaderTextBlockStyle}" MaxHeight="60" Text="{Binding Entries.Count}"/>
-                    <Image Height="400" Margin="0,0,0,20" Stretch="UniformToFill" AutomationProperties.Name="{Binding Title}"/>
-                    <TextBlock Margin="0,0,0,0" Style="{StaticResource BodyTextBlockStyle}"/>
+                    <ListView x:Name="listView" Height="100"/>
                 </StackPanel>
             </GridView.Header>
             <GridView.ItemContainerStyle>

ModernKeePass/Pages/GroupDetailPage.xaml.cs

@@ -47,8 +47,6 @@ namespace ModernKeePass.Pages
         /// session.  The state will be null the first time a page is visited.</param>
         private void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
         {
-            // TODO: Assign a bindable group to this.DefaultViewModel["Group"]
-            // TODO: Assign a collection of bindable items to this.DefaultViewModel["Items"]
         }
 
         #region NavigationHelper registration
@@ -69,6 +67,7 @@ namespace ModernKeePass.Pages
             if (e.Parameter is GroupVm)
             {
                 DataContext = e.Parameter as GroupVm;
+                groupGridView.SelectedIndex = -1;
             }
         }
 
@@ -78,5 +77,11 @@ namespace ModernKeePass.Pages
         }
 
         #endregion
+
+        private void itemGridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            var gridView = sender as GridView;
+            Frame.Navigate(typeof(GroupDetailPage), gridView.SelectedItem as GroupVm);
+        }
     }
 }

ModernKeePass/ViewModels/DatabaseVm.cs

@@ -5,33 +5,65 @@ using ModernKeePassLib;
 using ModernKeePassLib.Keys;
 using ModernKeePassLib.Serialization;
 using ModernKeePassLib.Interfaces;
+using Windows.UI.Xaml;
+using System;
 
 namespace ModernKeePass.ViewModels
 {
     public class DatabaseVm : INotifyPropertyChanged
     {
-        private PwDatabase _database = new PwDatabase();
+        private PwDatabase database = new PwDatabase();
+        private StorageFile databaseFile;
 
+        public string Password { get; set; }
+        public bool IsOpen { get; set; }
+        public Visibility Visibility { get; private set; }
+        public string ErrorMessage { get; set; }
         public string Name { get; set; }
         public GroupVm RootGroup { get; set; }
 
-        public event PropertyChangedEventHandler PropertyChanged;
 
-        public async void Open(StorageFile databaseFile, string password)
+        public DatabaseVm()
+        {
+            Visibility = Visibility.Collapsed;
+        }
+        public DatabaseVm(StorageFile databaseFile)
+        {
+            this.databaseFile = databaseFile;
+            Visibility = Visibility.Visible;
+        }
+        public async void Open()
         {
             var key = new CompositeKey();
-            key.AddUserKey(new KcpPassword(password));
             try
             {
-                await _database.Open(IOConnectionInfo.FromFile(databaseFile), key, new NullStatusLogger());
-                if (!_database.IsOpen) return;
+                key.AddUserKey(new KcpPassword(Password));
+                await database.Open(IOConnectionInfo.FromFile(databaseFile), key, new NullStatusLogger());
+                IsOpen = database.IsOpen;
                 Name = databaseFile.DisplayName;
-                RootGroup = new GroupVm (_database.RootGroup);
+                RootGroup = new GroupVm (database.RootGroup);
+            }
+            catch (ArgumentNullException)
+            {
+                ErrorMessage = "Password cannot be empty";
+                NotifyPropertyChanged("ErrorMessage");
+            }
+            catch (InvalidCompositeKeyException)
+            {
+                ErrorMessage = "Wrong password";
+                NotifyPropertyChanged("ErrorMessage");
             }
             finally
             {
-                _database.Close();
+                // TODO: move this when implementing write mode
+                database.Close();
             }
         }
+
+        public event PropertyChangedEventHandler PropertyChanged;
+        public void NotifyPropertyChanged(string propertyName)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
     }
 }

ModernKeePass/ViewModels/GroupVm.cs

@@ -17,6 +17,13 @@ namespace ModernKeePass.ViewModels
                 return $"{Entries?.Count} entries.";
             }
         }
+        public string GroupCount
+        {
+            get
+            {
+                return $"{Groups?.Count} groups.";
+            }
+        }
 
         public GroupVm()
         {
@@ -39,6 +46,5 @@ namespace ModernKeePass.ViewModels
         {
             PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
         }
-
     }
 }