Custom print dialog and better message registrations

2025-10-21 01:27:29 +02:00
parent 4191b7314f
commit 057edb5488
27 changed files with 656 additions and 760 deletions
@@ -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;
+        }
+    }
 }
@@ -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>();
-            }
-        });
-    }
-}