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[#50] MailWindow: Add button to cancel document generation
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Lorenz Stechauner
2026-01-16 00:22:11 +01:00
parent 01739ba42e
commit a90be2644d
5 changed files with 110 additions and 37 deletions
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37
Elwig/Windows/MailWindow.xaml.cs
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@@ -13,6 +13,7 @@ using System.Collections.ObjectModel;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
@@ -61,6 +62,8 @@ namespace Elwig.Windows {
protected Dictionary<Member, List<Document>>? PrintMemberDocuments;
protected Dictionary<Member, List<Document>>? EmailDocuments;
private CancellationTokenSource? CancelGeneration;
public static readonly DependencyProperty PostalAllCountProperty = DependencyProperty.Register(nameof(PostalAllCount), typeof(int), typeof(MailWindow));
public int PostalAllCount {
get => (int)GetValue(PostalAllCountProperty);
@@ -594,20 +597,32 @@ namespace Elwig.Windows {
}
private void Window_Closed(object sender, EventArgs evt) {
CancelGeneration?.Dispose();
DisposeDocs();
}
private async void AbortButton_Click(object sender, RoutedEventArgs evt) {
AbortButton.IsEnabled = false;
CancelGeneration?.Cancel();
}
private async void GenerateButton_Click(object sender, RoutedEventArgs evt) {
LockInputs();
PreviewButton.IsEnabled = false;
PrintButton.IsEnabled = false;
EmailButton.IsEnabled = false;
Mouse.OverrideCursor = Cursors.Wait;
AbortButton.IsEnabled = true;
AbortButton.Visibility = Visibility.Visible;
GenerateButton.IsEnabled = false;
GenerateButton.Visibility = Visibility.Hidden;
DisposeDocs();
await UpdateClientParameters();
CancelGeneration?.Dispose();
CancelGeneration = new();
using var ctx = new AppDbContext();
var doublePaged = DoublePagedInput.IsChecked == true;
@@ -662,6 +677,9 @@ namespace Elwig.Windows {
MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
UnlockInputs();
GenerateButton.IsEnabled = true;
GenerateButton.Visibility = Visibility.Visible;
AbortButton.IsEnabled = false;
AbortButton.Visibility = Visibility.Hidden;
Mouse.OverrideCursor = null;
return;
}
@@ -679,6 +697,9 @@ namespace Elwig.Windows {
MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
UnlockInputs();
GenerateButton.IsEnabled = true;
GenerateButton.Visibility = Visibility.Visible;
AbortButton.IsEnabled = false;
AbortButton.Visibility = Visibility.Hidden;
Mouse.OverrideCursor = null;
return;
}
@@ -740,6 +761,9 @@ namespace Elwig.Windows {
if (res != MessageBoxResult.OK) {
UnlockInputs();
GenerateButton.IsEnabled = true;
GenerateButton.Visibility = Visibility.Visible;
AbortButton.IsEnabled = false;
AbortButton.Visibility = Visibility.Hidden;
Mouse.OverrideCursor = null;
return;
}
@@ -771,7 +795,7 @@ namespace Elwig.Windows {
try {
foreach (var item1 in email.Select((e, i) => new { Index = i, e.Key, e.Value })) {
foreach (var item2 in item1.Value.Select((d, i) => new { Index = i, Doc = d })) {
await item2.Doc.Generate(new Progress<double>(v => {
await item2.Doc.Generate(CancelGeneration.Token, new Progress<double>(v => {
ProgressBar.Value = v * (item2.Index + 1) / item1.Value.Count / totalNum + 100.0 * item1.Index / totalNum;
}));
}
@@ -780,6 +804,9 @@ namespace Elwig.Windows {
MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
UnlockInputs();
GenerateButton.IsEnabled = true;
GenerateButton.Visibility = Visibility.Visible;
AbortButton.IsEnabled = false;
AbortButton.Visibility = Visibility.Hidden;
Mouse.OverrideCursor = null;
return;
}
@@ -814,7 +841,7 @@ namespace Elwig.Windows {
try {
var print = Document.Merge(printDocs);
print.IsDoublePaged = doublePaged;
await print.Generate(new Progress<double>(v => {
await print.Generate(CancelGeneration.Token, new Progress<double>(v => {
ProgressBar.Value = 100.0 * emailNum / totalNum + v * printNum / totalNum;
}));
PrintDocument = print;
@@ -823,6 +850,9 @@ namespace Elwig.Windows {
MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
UnlockInputs();
GenerateButton.IsEnabled = true;
GenerateButton.Visibility = Visibility.Visible;
AbortButton.IsEnabled = false;
AbortButton.Visibility = Visibility.Hidden;
Mouse.OverrideCursor = null;
return;
}
@@ -834,6 +864,9 @@ namespace Elwig.Windows {
UnlockInputs();
GenerateButton.IsEnabled = true;
GenerateButton.Visibility = Visibility.Visible;
AbortButton.IsEnabled = false;
AbortButton.Visibility = Visibility.Hidden;
Mouse.OverrideCursor = null;
PreviewButton.IsEnabled = true;
PrintButton.IsEnabled = PrintDocument != null && !hasPreviewDocs;