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Custom print dialog and better message registrations

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This commit is contained in:
Burak Kaan Köse
2025-10-21 01:27:29 +02:00
parent 4191b7314f
commit 057edb5488
27 changed files with 656 additions and 760 deletions
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Wino.Core.WinUI/BasePage.cs
+14 -7
View File
@@ -1,6 +1,5 @@
using System;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using CommunityToolkit.Mvvm.Messaging;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.UI.Xaml;
@@ -27,6 +26,16 @@ public partial class BasePage : Page, IRecipient<LanguageChanged>
}
public virtual void OnLanguageChanged() { }
/// <summary>
/// Register message recipients for this page. Override to register specific message types.
/// </summary>
protected virtual void RegisterRecipients() { }
/// <summary>
/// Unregister message recipients for this page. Override to unregister specific message types.
/// </summary>
protected virtual void UnregisterRecipients() { }
}
public abstract class BasePage<T> : BasePage where T : CoreBaseViewModel
@@ -49,10 +58,7 @@ public abstract class BasePage<T> : BasePage where T : CoreBaseViewModel
private void PageLoaded(object sender, RoutedEventArgs e) => ViewModel.OnPageLoaded();
~BasePage()
{
Debug.WriteLine($"Disposed {GetType().Name}");
}
~BasePage() { Debug.WriteLine($"Disposed {GetType().Name}"); }
protected override void OnNavigatedTo(NavigationEventArgs e)
{
@@ -61,8 +67,8 @@ public abstract class BasePage<T> : BasePage where T : CoreBaseViewModel
var mode = GetNavigationMode(e.NavigationMode);
var parameter = e.Parameter;
WeakReferenceMessenger.Default.UnregisterAll(this);
WeakReferenceMessenger.Default.Register<LanguageChanged>(this);
RegisterRecipients();
ViewModel.OnNavigatedTo(mode, parameter);
}
@@ -74,7 +80,8 @@ public abstract class BasePage<T> : BasePage where T : CoreBaseViewModel
var mode = GetNavigationMode(e.NavigationMode);
var parameter = e.Parameter;
WeakReferenceMessenger.Default.UnregisterAll(this);
WeakReferenceMessenger.Default.Unregister<LanguageChanged>(this);
UnregisterRecipients();
ViewModel.OnNavigatedFrom(mode, parameter);
Wino.Core.WinUI/Dialogs/PrintDialog.xaml
+48 -214
View File
@@ -1,220 +1,54 @@
<ContentDialog x:Class="Wino.Core.WinUI.Dialogs.PrintDialog"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
Title="Print Settings"
PrimaryButtonText="Print"
SecondaryButtonText="Cancel"
DefaultButton="Primary"
MinWidth="600"
MinHeight="500"
PrimaryButtonClick="ContentDialog_PrimaryButtonClick"
SecondaryButtonClick="ContentDialog_SecondaryButtonClick">
<ContentDialog
x:Class="Wino.Core.WinUI.Dialogs.PrintDialog"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:printing="using:Wino.Core.Domain.Models.Printing"
Title="Print Settings"
MinWidth="400"
MinHeight="300"
DefaultButton="Primary"
Loaded="PrintDialog_Loaded"
PrimaryButtonClick="ContentDialog_PrimaryButtonClick"
PrimaryButtonText="Print"
SecondaryButtonClick="ContentDialog_SecondaryButtonClick"
SecondaryButtonText="Cancel"
Style="{StaticResource WinoDialogStyle}"
mc:Ignorable="d">
<ScrollViewer>
<StackPanel Spacing="16" Margin="20">
<!-- Printer Selection -->
<StackPanel Spacing="8">
<TextBlock Text="Printer" FontWeight="SemiBold" />
<ComboBox x:Name="PrinterComboBox"
ItemsSource="{x:Bind ViewModel.AvailablePrinters, Mode=OneWay}"
SelectedItem="{x:Bind ViewModel.PrintSettings.PrinterName, Mode=TwoWay}"
Header="Select Printer"
HorizontalAlignment="Stretch" />
</StackPanel>
<StackPanel Margin="20" Spacing="16">
<!-- Print Options Grid -->
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="20" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<!-- Printer Selection -->
<ComboBox
x:Name="PrinterComboBox"
HorizontalAlignment="Stretch"
Header="Printer"
SelectedItem="{x:Bind PrintSettings.PrinterName, Mode=TwoWay}"
SelectionChanged="PrinterComboBox_SelectionChanged" />
<!-- Left Column -->
<StackPanel Grid.Column="0" Spacing="16">
<!-- Copies -->
<StackPanel Spacing="8">
<TextBlock Text="Copies" FontWeight="SemiBold" />
<NumberBox Value="{x:Bind ViewModel.PrintSettings.Copies, Mode=TwoWay}"
Minimum="1" Maximum="999"
SpinButtonPlacementMode="Inline" />
</StackPanel>
<!-- Copies -->
<NumberBox
Header="Copies"
Maximum="999"
Minimum="1"
SpinButtonPlacementMode="Inline"
Value="{x:Bind PrintSettings.Copies, Mode=TwoWay}" />
<!-- Orientation -->
<StackPanel Spacing="8">
<TextBlock Text="Orientation" FontWeight="SemiBold" />
<RadioButtons SelectedIndex="{x:Bind ViewModel.OrientationIndex, Mode=TwoWay}">
<RadioButton Content="Portrait" />
<RadioButton Content="Landscape" />
</RadioButtons>
</StackPanel>
<!-- Color Mode -->
<StackPanel Spacing="8">
<TextBlock Text="Color" FontWeight="SemiBold" />
<RadioButtons SelectedIndex="{x:Bind ViewModel.ColorModeIndex, Mode=TwoWay}">
<RadioButton Content="Default" />
<RadioButton Content="Color" />
<RadioButton Content="Grayscale" />
</RadioButtons>
</StackPanel>
<!-- Media Size -->
<StackPanel Spacing="8">
<TextBlock Text="Paper Size" FontWeight="SemiBold" />
<ComboBox SelectedIndex="{x:Bind ViewModel.MediaSizeIndex, Mode=TwoWay}"
HorizontalAlignment="Stretch">
<ComboBoxItem Content="Default" />
<ComboBoxItem Content="Letter (8.5 x 11 in)" />
<ComboBoxItem Content="Legal (8.5 x 14 in)" />
<ComboBoxItem Content="A4 (210 x 297 mm)" />
<ComboBoxItem Content="A3 (297 x 420 mm)" />
<ComboBoxItem Content="A5 (148 x 210 mm)" />
<ComboBoxItem Content="Tabloid (11 x 17 in)" />
<ComboBoxItem Content="Executive (7.25 x 10.5 in)" />
<ComboBoxItem Content="B4 (250 x 353 mm)" />
<ComboBoxItem Content="B5 (176 x 250 mm)" />
</ComboBox>
</StackPanel>
</StackPanel>
<!-- Right Column -->
<StackPanel Grid.Column="2" Spacing="16">
<!-- Duplex -->
<StackPanel Spacing="8">
<TextBlock Text="Duplex" FontWeight="SemiBold" />
<RadioButtons SelectedIndex="{x:Bind ViewModel.DuplexIndex, Mode=TwoWay}">
<RadioButton Content="Default" />
<RadioButton Content="Single-sided" />
<RadioButton Content="Double-sided (Short Edge)" />
<RadioButton Content="Double-sided (Long Edge)" />
</RadioButtons>
</StackPanel>
<!-- Collation -->
<StackPanel Spacing="8">
<TextBlock Text="Collation" FontWeight="SemiBold" />
<RadioButtons SelectedIndex="{x:Bind ViewModel.CollationIndex, Mode=TwoWay}">
<RadioButton Content="Default" />
<RadioButton Content="Collated" />
<RadioButton Content="Uncollated" />
</RadioButtons>
</StackPanel>
<!-- Pages Per Side -->
<StackPanel Spacing="8">
<TextBlock Text="Pages Per Side" FontWeight="SemiBold" />
<ComboBox SelectedIndex="{x:Bind ViewModel.PagesPerSideIndex, Mode=TwoWay}"
HorizontalAlignment="Stretch">
<ComboBoxItem Content="1" />
<ComboBoxItem Content="2" />
<ComboBoxItem Content="4" />
<ComboBoxItem Content="6" />
<ComboBoxItem Content="9" />
<ComboBoxItem Content="16" />
</ComboBox>
</StackPanel>
</StackPanel>
</Grid>
<!-- Page Range -->
<StackPanel Spacing="8">
<TextBlock Text="Page Range" FontWeight="SemiBold" />
<RadioButtons SelectedIndex="{x:Bind ViewModel.PageRangeOptionIndex, Mode=TwoWay}">
<RadioButton Content="All pages" />
<RadioButton Content="Custom range" />
</RadioButtons>
<TextBox x:Name="PageRangeTextBox"
Text="{x:Bind ViewModel.PrintSettings.PageRanges, Mode=TwoWay}"
PlaceholderText="e.g., 1-3,5,7-9"
IsEnabled="{x:Bind ViewModel.IsCustomPageRange, Mode=OneWay}"
Margin="0,8,0,0" />
</StackPanel>
<!-- Scale Factor -->
<StackPanel Spacing="8">
<TextBlock Text="Scale" FontWeight="SemiBold" />
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="80" />
</Grid.ColumnDefinitions>
<Slider x:Name="ScaleSlider"
Value="{x:Bind ViewModel.PrintSettings.ScaleFactor, Mode=TwoWay}"
Minimum="0.1" Maximum="2.0" StepFrequency="0.1"
Grid.Column="0" />
<TextBlock Text="{x:Bind ViewModel.ScalePercentageText, Mode=OneWay}"
HorizontalAlignment="Center"
VerticalAlignment="Center"
Grid.Column="1" />
</Grid>
</StackPanel>
<!-- Margins -->
<StackPanel Spacing="8">
<TextBlock Text="Margins (inches)" FontWeight="SemiBold" />
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="*" />
<ColumnDefinition Width="*" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="Auto" />
<RowDefinition Height="Auto" />
</Grid.RowDefinitions>
<TextBlock Text="Top" Grid.Column="0" Grid.Row="0" HorizontalAlignment="Center" />
<TextBlock Text="Bottom" Grid.Column="1" Grid.Row="0" HorizontalAlignment="Center" />
<TextBlock Text="Left" Grid.Column="2" Grid.Row="0" HorizontalAlignment="Center" />
<TextBlock Text="Right" Grid.Column="3" Grid.Row="0" HorizontalAlignment="Center" />
<NumberBox Value="{x:Bind ViewModel.PrintSettings.MarginTop, Mode=TwoWay}"
Minimum="0" Maximum="10" StepFrequency="0.1"
Grid.Column="0" Grid.Row="1" Margin="4" />
<NumberBox Value="{x:Bind ViewModel.PrintSettings.MarginBottom, Mode=TwoWay}"
Minimum="0" Maximum="10" StepFrequency="0.1"
Grid.Column="1" Grid.Row="1" Margin="4" />
<NumberBox Value="{x:Bind ViewModel.PrintSettings.MarginLeft, Mode=TwoWay}"
Minimum="0" Maximum="10" StepFrequency="0.1"
Grid.Column="2" Grid.Row="1" Margin="4" />
<NumberBox Value="{x:Bind ViewModel.PrintSettings.MarginRight, Mode=TwoWay}"
Minimum="0" Maximum="10" StepFrequency="0.1"
Grid.Column="3" Grid.Row="1" Margin="4" />
</Grid>
</StackPanel>
<!-- Print Options -->
<StackPanel Spacing="8">
<TextBlock Text="Options" FontWeight="SemiBold" />
<CheckBox Content="Print backgrounds"
IsChecked="{x:Bind ViewModel.PrintSettings.ShouldPrintBackgrounds, Mode=TwoWay}" />
<CheckBox Content="Print selection only"
IsChecked="{x:Bind ViewModel.PrintSettings.ShouldPrintSelectionOnly, Mode=TwoWay}" />
<CheckBox Content="Print headers and footers"
IsChecked="{x:Bind ViewModel.PrintSettings.ShouldPrintHeaderAndFooter, Mode=TwoWay}" />
</StackPanel>
<!-- Header and Footer -->
<StackPanel Spacing="8" Visibility="{x:Bind ViewModel.PrintSettings.ShouldPrintHeaderAndFooter, Mode=OneWay}">
<TextBlock Text="Header & Footer" FontWeight="SemiBold" />
<TextBox Header="Header Title"
Text="{x:Bind ViewModel.PrintSettings.HeaderTitle, Mode=TwoWay}"
PlaceholderText="Document title" />
<TextBox Header="Footer URI"
Text="{x:Bind ViewModel.PrintSettings.FooterUri, Mode=TwoWay}"
PlaceholderText="Document URL" />
</StackPanel>
<!-- Orientation -->
<RadioButtons
x:Name="OrientationRadioButtons"
Header="Orientation"
SelectionChanged="OrientationRadio_SelectionChanged">
<RadioButton Content="Portrait" />
<RadioButton Content="Landscape" />
</RadioButtons>
<!-- Print Options -->
<StackPanel Spacing="8">
<TextBlock Text="Options" />
<CheckBox Content="Print backgrounds" IsChecked="{x:Bind PrintSettings.ShouldPrintBackgrounds, Mode=TwoWay}" />
<CheckBox Content="Print headers and footers" IsChecked="{x:Bind PrintSettings.ShouldPrintHeaderAndFooter, Mode=TwoWay}" />
</StackPanel>
</ScrollViewer>
</ContentDialog>
</StackPanel>
</ContentDialog>
Wino.Core.WinUI/Dialogs/PrintDialog.xaml.cs
+114 -47
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@@ -1,7 +1,11 @@
using System.Collections.Generic;
using System.Drawing.Printing;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.UI.Xaml.Controls;
using Serilog;
using Wino.Core.Domain.Enums;
using Wino.Core.Domain.Models.Printing;
using Wino.Core.WinUI.Models;
namespace Wino.Core.WinUI.Dialogs;
@@ -10,32 +14,40 @@ namespace Wino.Core.WinUI.Dialogs;
/// </summary>
public sealed partial class PrintDialog : ContentDialog
{
/// <summary>
/// The ViewModel that handles the dialog's data binding and logic.
/// </summary>
public PrintDialogViewModel ViewModel { get; }
/// <summary>
/// Gets the configured print settings from the dialog.
/// </summary>
public WebView2PrintSettingsModel PrintSettings => ViewModel.PrintSettings;
public WebView2PrintSettingsModel PrintSettings { get; set; } = new WebView2PrintSettingsModel();
public PrintDialog()
{
this.InitializeComponent();
ViewModel = new PrintDialogViewModel();
ViewModel.Initialize();
}
/// <summary>
/// Initializes the dialog with existing print settings.
/// </summary>
/// <param name="printSettings">The initial print settings to load.</param>
public PrintDialog(WebView2PrintSettingsModel printSettings)
public PrintDialog(WebView2PrintSettingsModel printSettings = null)
{
if (printSettings != null) PrintSettings = printSettings;
this.InitializeComponent();
ViewModel = new PrintDialogViewModel();
ViewModel.Initialize(printSettings);
}
private void PrintDialog_Loaded(object sender, Microsoft.UI.Xaml.RoutedEventArgs e) => LoadSettingsToUI(PrintSettings);
private void OrientationRadio_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (sender is RadioButtons radioButtons)
{
PrintSettings.Orientation = (PrintOrientation)radioButtons.SelectedIndex;
}
}
private void PrinterComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (sender is ComboBox comboBox && comboBox.SelectedItem != null)
{
PrintSettings.PrinterName = comboBox.SelectedItem.ToString();
}
}
/// <summary>
@@ -44,7 +56,85 @@ public sealed partial class PrintDialog : ContentDialog
/// <param name="printers">List of available printer names.</param>
public void SetAvailablePrinters(IEnumerable<string> printers)
{
ViewModel.SetAvailablePrinters(printers);
var printerList = printers?.ToList() ?? new List<string>();
if (this.FindName("PrinterComboBox") is ComboBox printerComboBox)
{
printerComboBox.ItemsSource = printerList;
if (printerList.Any())
{
// Set to first printer or to the one in settings
var targetPrinter = !string.IsNullOrEmpty(PrintSettings.PrinterName)
? PrintSettings.PrinterName
: printerList.First();
var index = printerList.IndexOf(targetPrinter);
printerComboBox.SelectedIndex = index >= 0 ? index : 0;
// Update the settings model with the selected printer
PrintSettings.PrinterName = printerComboBox.SelectedItem?.ToString() ?? string.Empty;
}
}
}
/// <summary>
/// Loads available printers asynchronously and sets them in the dialog.
/// </summary>
public async Task LoadAvailablePrintersAsync()
{
try
{
var printers = await Task.Run(() =>
{
var printerList = new List<string>();
// Get all installed printers using System.Drawing.Printing
foreach (string printerName in PrinterSettings.InstalledPrinters)
{
printerList.Add(printerName);
}
return printerList.AsEnumerable();
});
SetAvailablePrinters(printers);
}
catch (System.Exception ex)
{
// Log the exception if logging is available
Log.Error(ex, "Error getting available printers");
// Set empty list if printer discovery fails
SetAvailablePrinters(Enumerable.Empty<string>());
}
}
private void LoadSettingsToUI(WebView2PrintSettingsModel settings)
{
if (settings == null) return;
// Only handle orientation manually since other properties are bound via x:Bind
if (this.FindName("OrientationRadioButtons") is RadioButtons orientationRadio)
{
orientationRadio.SelectedIndex = (int)settings.Orientation;
}
}
private void UpdateSettingsFromUI()
{
// Most properties are bound via x:Bind, only handle orientation manually
if (this.FindName("OrientationRadioButtons") is RadioButtons orientationRadio)
{
PrintSettings.Orientation = (PrintOrientation)orientationRadio.SelectedIndex;
}
// Also update printer name from ComboBox since it uses ItemsSource binding
if (this.FindName("PrinterComboBox") is ComboBox printerComboBox &&
printerComboBox.SelectedItem != null)
{
PrintSettings.PrinterName = printerComboBox.SelectedItem.ToString();
}
}
/// <summary>
@@ -53,54 +143,31 @@ public sealed partial class PrintDialog : ContentDialog
/// <returns>True if settings are valid, false otherwise.</returns>
private bool ValidateSettings()
{
// Validate printer selection
if (string.IsNullOrWhiteSpace(PrintSettings.PrinterName))
// Check if a printer is selected
if (this.FindName("PrinterComboBox") is ComboBox printerComboBox &&
printerComboBox.SelectedItem == null)
{
// Show error message or set focus to printer selection
return false;
}
// Validate copies
// Copies validation is handled by the bound property with validation in the model
if (PrintSettings.Copies <= 0)
{
return false;
}
// Validate page ranges if custom range is specified
if (ViewModel.IsCustomPageRange && !string.IsNullOrWhiteSpace(PrintSettings.PageRanges))
{
// Basic validation for page ranges format
// More comprehensive validation could be added here
var pageRanges = PrintSettings.PageRanges.Trim();
if (string.IsNullOrEmpty(pageRanges))
{
return false;
}
}
// Validate margins
if (PrintSettings.MarginTop < 0 || PrintSettings.MarginBottom < 0 ||
PrintSettings.MarginLeft < 0 || PrintSettings.MarginRight < 0)
{
return false;
}
// Validate scale factor
if (PrintSettings.ScaleFactor < 0.1 || PrintSettings.ScaleFactor > 2.0)
{
return false;
}
return true;
}
private void ContentDialog_PrimaryButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args)
{
// Update settings from UI before validation
UpdateSettingsFromUI();
// Validate settings before closing
if (!ValidateSettings())
{
args.Cancel = true;
// Could show error message here
}
}
@@ -108,4 +175,4 @@ public sealed partial class PrintDialog : ContentDialog
{
// Cancel was clicked, no validation needed
}
}
}
Wino.Core.WinUI/Helpers/XamlHelpers.cs
+1 -1
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@@ -41,7 +41,7 @@ public static class XamlHelpers
public static Visibility ReverseBoolToVisibilityConverter(bool value) => value ? Visibility.Collapsed : Visibility.Visible;
public static Visibility ReverseVisibilityConverter(Visibility visibility) => visibility == Visibility.Visible ? Visibility.Collapsed : Visibility.Visible;
public static bool ReverseBoolConverter(bool value) => !value;
public static bool ShouldDisplayPreview(string text) => text.Any(x => char.IsLetter(x));
public static bool ShouldDisplayPreview(string text) => text == null ? false : text.Any(x => char.IsLetter(x));
public static bool CountToBooleanConverter(int value) => value > 0;
public static bool ObjectEquals(object obj1, object obj2) => object.Equals(obj1, obj2);
public static Visibility CountToVisibilityConverter(int value) => value > 0 ? Visibility.Visible : Visibility.Collapsed;
Wino.Core.WinUI/Interfaces/IPrintDialogService.cs
-30
View File
@@ -1,30 +0,0 @@
using System.Collections.Generic;
using System.Threading.Tasks;
using Wino.Core.Domain.Models.Printing;
namespace Wino.Core.WinUI.Interfaces;
/// <summary>
/// Service interface for displaying the custom print dialog and managing print settings.
/// </summary>
public interface IPrintDialogService
{
/// <summary>
/// Shows the print dialog and returns the configured print settings.
/// </summary>
/// <param name="initialSettings">Initial print settings to populate the dialog with. If null, default settings will be used.</param>
/// <param name="availablePrinters">List of available printers to show in the dialog. If null or empty, the service should attempt to discover printers.</param>
/// <returns>
/// A task that resolves to the configured WebView2PrintSettingsModel if the user clicked Print,
/// or null if the user cancelled the dialog.
/// </returns>
Task<WebView2PrintSettingsModel> ShowPrintDialogAsync(
WebView2PrintSettingsModel initialSettings = null,
IEnumerable<string> availablePrinters = null);
/// <summary>
/// Gets the list of available printers on the system.
/// </summary>
/// <returns>A task that resolves to a list of available printer names.</returns>
Task<IEnumerable<string>> GetAvailablePrintersAsync();
}
Wino.Core.WinUI/Services/DialogServiceBase.cs
+35
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@@ -14,6 +14,7 @@ using Wino.Core.Domain.Enums;
using Wino.Core.Domain.Interfaces;
using Wino.Core.Domain.Models.Accounts;
using Wino.Core.Domain.Models.Common;
using Wino.Core.Domain.Models.Printing;
using Wino.Core.WinUI.Dialogs;
using Wino.Core.WinUI.Extensions;
using Wino.Dialogs;
@@ -294,4 +295,38 @@ public class DialogServiceBase : IDialogServiceBase
return dialog.Result;
}
public async Task<WebView2PrintSettingsModel> ShowPrintDialogAsync(WebView2PrintSettingsModel initialSettings = null)
{
try
{
// Create the print dialog
var dialog = initialSettings != null
? new PrintDialog(initialSettings)
: new PrintDialog();
// Set the XamlRoot for proper display
dialog.XamlRoot = GetXamlRoot();
// Get available printers asynchronously when the dialog is loaded
dialog.Loaded += async (sender, e) =>
{
await dialog.LoadAvailablePrintersAsync();
};
// Show the dialog
var result = await HandleDialogPresentationAsync(dialog);
// Return the settings if user clicked Print, otherwise null
return result == ContentDialogResult.Primary
? dialog.PrintSettings
: null;
}
catch (Exception ex)
{
// Log the exception if logging is available
Log.Error(ex, "Error showing print dialog");
return null;
}
}
}
Wino.Core.WinUI/Services/PrintDialogService.cs
-93
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@@ -1,93 +0,0 @@
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Drawing.Printing;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.UI.Xaml;
using Wino.Core.Domain.Models.Printing;
using Wino.Core.WinUI.Dialogs;
using Wino.Core.WinUI.Interfaces;
namespace Wino.Core.WinUI.Services;
/// <summary>
/// Service implementation for displaying the custom print dialog and managing print settings.
/// </summary>
public class PrintDialogService : IPrintDialogService
{
/// <summary>
/// Shows the print dialog and returns the configured print settings.
/// </summary>
/// <param name="initialSettings">Initial print settings to populate the dialog with. If null, default settings will be used.</param>
/// <param name="availablePrinters">List of available printers to show in the dialog. If null or empty, the service will discover printers.</param>
/// <returns>
/// A task that resolves to the configured WebView2PrintSettingsModel if the user clicked Print,
/// or null if the user cancelled the dialog.
/// </returns>
[UnconditionalSuppressMessage("ReflectionAnalysis", "IL2070:UnrecognizedReflectionPattern",
Justification = "GetProperty is used for backward compatibility and gracefully handles failures")]
public async Task<WebView2PrintSettingsModel> ShowPrintDialogAsync(
WebView2PrintSettingsModel initialSettings = null,
IEnumerable<string> availablePrinters = null)
{
try
{
// Note: XamlRoot will be set by the calling code when showing the dialog
// Create the print dialog
var dialog = initialSettings != null
? new PrintDialog(initialSettings)
: new PrintDialog();
// The XamlRoot will be set by the calling code when showing the dialog
// Get available printers if not provided
var printers = availablePrinters ?? await GetAvailablePrintersAsync();
dialog.SetAvailablePrinters(printers);
// Show the dialog
var result = await dialog.ShowAsync();
// Return the settings if user clicked Print, otherwise null
return result == Microsoft.UI.Xaml.Controls.ContentDialogResult.Primary
? dialog.PrintSettings
: null;
}
catch (Exception ex)
{
// Log the exception if logging is available
System.Diagnostics.Debug.WriteLine($"Error showing print dialog: {ex.Message}");
return null;
}
}
/// <summary>
/// Gets the list of available printers on the system.
/// </summary>
/// <returns>A task that resolves to a list of available printer names.</returns>
public async Task<IEnumerable<string>> GetAvailablePrintersAsync()
{
return await Task.Run(() =>
{
try
{
var printers = new List<string>();
// Get all installed printers using System.Drawing.Printing
foreach (string printerName in PrinterSettings.InstalledPrinters)
{
printers.Add(printerName);
}
return printers.AsEnumerable();
}
catch (Exception ex)
{
// Log the exception if logging is available
System.Diagnostics.Debug.WriteLine($"Error getting available printers: {ex.Message}");
return Enumerable.Empty<string>();
}
});
}
}
Wino.Core.WinUI/Views/Abstract/SettingsPageBase.cs
+1 -1
View File
@@ -1,6 +1,6 @@
using Microsoft.UI.Xaml;
using Wino.Core.WinUI;
using Wino.Core.ViewModels;
using Wino.Core.WinUI;
namespace Wino.Views.Abstract;
Wino.Core.WinUI/Views/SettingsPage.xaml.cs
+14 -6
View File
@@ -26,9 +26,6 @@ public sealed partial class SettingsPage : SettingsPageAbstract, IRecipient<Brea
{
base.OnNavigatedTo(e);
// Re-register the breadcrumb navigation handler after base.OnNavigatedTo unregisters all handlers
WeakReferenceMessenger.Default.Register<BreadcrumbNavigationRequested>(this);
SettingsFrame.Navigate(typeof(SettingOptionsPage), null, new SuppressNavigationTransitionInfo());
var initialRequest = new BreadcrumbNavigationRequested(Translator.MenuSettings, WinoPage.SettingOptionsPage);
@@ -63,12 +60,23 @@ public sealed partial class SettingsPage : SettingsPageAbstract, IRecipient<Brea
protected override void OnNavigatingFrom(NavigatingCancelEventArgs e)
{
// Explicitly unregister our message handlers before base.OnNavigatingFrom calls UnregisterAll
WeakReferenceMessenger.Default.Unregister<BreadcrumbNavigationRequested>(this);
base.OnNavigatingFrom(e);
}
protected override void RegisterRecipients()
{
base.RegisterRecipients();
WeakReferenceMessenger.Default.Register<BreadcrumbNavigationRequested>(this);
}
protected override void UnregisterRecipients()
{
base.UnregisterRecipients();
WeakReferenceMessenger.Default.Unregister<BreadcrumbNavigationRequested>(this);
}
void IRecipient<BreadcrumbNavigationRequested>.Receive(BreadcrumbNavigationRequested message)
{
var pageType = ViewModel.NavigationService.GetPageType(message.PageType);