/// <summary>
/// Invalidates the extractor entries (toggles show unknown formats as text)
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="RoutedEventArgs"/> instance containing the event data.</param>
private void GenericTextPreviewMenuItem_Click(object sender, RoutedEventArgs e)
{
if (CurrentExtractor != null)
{
CurrentExtractor.InvalidateEntries();
ShowPreview();
}
}
/// <summary>
/// Method to set a text as preview
/// </summary>
/// <param name="item">Listview item to preview</param>
private void SetTextPreview(ListViewItem item)
{
string text = item.FileReference.GenericText;
if (text.Length == 0 && item.FileSize.Value > 0)
{
switch (item.Type)
{
case ExtractorItem.Type.Text:
case ExtractorItem.Type.Xml:
CurrentModel.StatusText = I18n.R(I18n.Key.StatusLoadEmbeddedTextFailure, item.FileName);
break;
default:
CurrentModel.StatusText = I18n.R(I18n.Key.StatusLoadEmbeddedOtherFailure, item.FileName);
break;
}
SetTextPreviewVisible(true);
}
else
{
switch (item.Type)
{
case ExtractorItem.Type.Image:
CurrentModel.StatusText = I18n.R(I18n.Key.StatusLoadEmbeddedImageFallback, item.FileName);
break;
case ExtractorItem.Type.Text:
case ExtractorItem.Type.Xml:
CurrentModel.StatusText = I18n.R(I18n.Key.StatusEmbeddedLoaded, item.FileName);
break;
default:
CurrentModel.StatusText = I18n.R(I18n.Key.StatusLoadEmbeddedOtherFallback, item.FileName);
break;
}
TextBox.Text = text;
SetTextPreviewVisible();
}
ImageBox.Source = null;
CurrentExtractor.ResetErrors();
}
/// <summary>
/// Shows the preview of the currently selected embedded file
/// </summary>
private void ShowPreview()
{
Cursor c = Cursor;
CurrentModel.StatusText = I18n.T(I18n.Key.StatusLoadingEmbedded);
Cursor = Cursors.Wait;
try
{
ListViewItem[] selected = new ListViewItem[ImagesListView.SelectedItems.Count];
ImagesListView.SelectedItems.CopyTo(selected, 0);
CurrentModel.SelectedItems = selected;
ListViewItem item = selected.Last();
if (CurrentModel.LargeFilePreviewWarning)
{
long threshold = Properties.Settings.Default.LargeFileThreshold;
if (item.FileSize.Value > threshold)
{
MessageBoxResult result = MessageBox.Show(I18n.R(I18n.Key.DialogSizeWarning, Utils.ConvertFileSize(threshold)), I18n.T(I18n.Key.DialogSizeWarningTitle), MessageBoxButton.YesNo, MessageBoxImage.Question);
if (result != MessageBoxResult.Yes)
{
ImageBox.Source = null;
SetTextPreviewVisible(true);
CurrentExtractor.ResetErrors();
CurrentModel.StatusText = I18n.R(I18n.Key.StatusPreviewSkipped, item.FileName);
Cursor = c;
return;
}
}
}
if (item.Type == ExtractorItem.Type.Image)
{
CurrentExtractor.GetImageSourceByName(item.FileName, out var img);
SetImagePreviewVisible();
if (CurrentExtractor.HasErrors)
{
if (CurrentModel.GenericTextPreview)
{
SetTextPreview(item);
}
else
{
CurrentModel.StatusText = I18n.R(I18n.Key.StatusLoadEmbeddedImageFailure, CurrentExtractor.LastError);
SetTextPreviewVisible(true);
}
ImageBox.Source = null;
CurrentExtractor.ResetErrors();
}
else
{
ImageBox.Source = img;
CurrentModel.StatusText = I18n.R(I18n.Key.StatusEmbeddedLoaded, item.FileName);
}
}
else if (item.Type == ExtractorItem.Type.Xml || item.Type == ExtractorItem.Type.Text || CurrentModel.GenericTextPreview)
{
CurrentExtractor.GetGenericTextByName(item.FileName, out var text);
if (CurrentExtractor.HasErrors)
{
SetTextPreviewVisible();
CurrentModel.StatusText = I18n.R(I18n.Key.StatusLoadEmbeddedTextFailure, CurrentExtractor.LastError);
TextBox.Text = string.Empty;
SetTextPreviewVisible(true);
CurrentExtractor.ResetErrors();
}
else
{
SetTextPreview(item);
}
}
else
{
SetTextPreviewVisible(true);
CurrentModel.StatusText = I18n.R(I18n.Key.StatusLoadEmbeddedOtherFailure, item.FileName);
TextBox.Text = string.Empty;
// Fall-back
}
}
catch
{
CurrentModel.SelectedItems = new ListViewItem[0];
// ignore
}
Cursor = c;
if (ImagesListView.Items.Count == 0)
{
CurrentModel.SaveSelectedStatus = false;
}
else
{
CurrentModel.SaveSelectedStatus = true;
}
}
