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Fixed bug in LoginView

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fixed never appering erorr message in login form
This commit is contained in:
s459315 2022-07-14 19:41:13 +02:00
parent ab827d849c
commit 7bbae1b17c
3 changed files with 45 additions and 6 deletions
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1
RMWPFUserInterface/App.xaml
View File

@ -9,6 +9,7 @@
<local:BootStrapper x:Key="Bootstrapper" />
</ResourceDictionary>
</ResourceDictionary.MergedDictionaries>
<BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" />
</ResourceDictionary>
</Application.Resources>
</Application>

32
RMWPFUserInterface/ViewModels/LoginViewModel.cs
View File

@ -40,6 +40,35 @@ namespace RMWPFUserInterface.ViewModels
}
}
public bool IsErrorVisible
{
get
{
bool output = false;
if (ErrorMessage?.Length > 0)
{
output = true;
}
return output;
}
}
private string _errorMessage;
public string ErrorMessage
{
get { return _errorMessage; }
set
{
_errorMessage = value;
NotifyOfPropertyChange(() => IsErrorVisible);
NotifyOfPropertyChange(() => ErrorMessage);
}
}
public bool CanLogIn
{
get{
@ -60,11 +89,12 @@ namespace RMWPFUserInterface.ViewModels
{
try
{
ErrorMessage = "";
var result = await _apiHelper.Authenticate(UserName, Password);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
ErrorMessage = ex.Message;
}
}
}

18
RMWPFUserInterface/Views/LoginView.xaml
View File

@ -18,6 +18,7 @@
<RowDefinition Height="auto"/>
<RowDefinition Height="auto"/>
<RowDefinition Height="auto"/>
<RowDefinition Height="auto"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<TextBlock Grid.Row="0" Grid.Column="1" Grid.ColumnSpan="2" Margin="0 0 0 20"
@ -25,20 +26,27 @@
Login Form
</TextBlock>
<!-- Error Message Row-->
<TextBlock x:Name="ErrorMessage" Visibility="{Binding IsErrorVisible, Converter={StaticResource BooleanToVisibilityConverter}, FallbackValue=Collapsed}"
Grid.Row="1" Grid.Column="1" Grid.ColumnSpan="2"
Margin="0 0 0 20"
MaxWidth="300"
TextWrapping="Wrap" Foreground="Red"/>
<!-- Username row -->
<TextBlock Grid.Row="1" Grid.Column="1" Margin="0 0 10 20">
<TextBlock Grid.Row="2" Grid.Column="1" Margin="0 0 10 20">
Username:
</TextBlock>
<TextBox x:Name="UserName" Grid.Row="1" Grid.Column="2" MinWidth="200" Margin="0 0 0 10"/>
<TextBox x:Name="UserName" Grid.Row="2" Grid.Column="2" MinWidth="350" Margin="0 0 0 10"/>
<!-- Password row -->
<TextBlock Grid.Row="2" Grid.Column="1" Margin="0 0 10 20">
<TextBlock Grid.Row="3" Grid.Column="1" Margin="0 0 10 20">
Password:
</TextBlock>
<PasswordBox x:Name="Password" Grid.Row="2" Grid.Column="2" MinWidth="200" Margin="0 0 0 10"/>
<PasswordBox x:Name="Password" Grid.Row="3" Grid.Column="2" MinWidth="350" Margin="0 0 0 10"/>
<!-- Login button -->
<Button Grid.Row="3" Grid.Column="1" Grid.ColumnSpan="2" Padding="20 5"
<Button Grid.Row="4" Grid.Column="1" Grid.ColumnSpan="2" Padding="20 5"
HorizontalAlignment="Center" x:Name="LogIn">
Log in
</Button>