Fixed several errors and errorhandling

OfficeConverterCore/MainWindow.xaml

@@ -5,7 +5,7 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:OfficeConverter"
         mc:Ignorable="d"
-        Title="OfficeConverter 1.0" Height="715" Width="1045" Background="#FF1A1A1A">
+        Title="OfficeConverter 1.0" Height="715" Width="1460" Background="#FF1A1A1A">
     <Grid Background="#FF424242">
 
         <Grid Margin="0,70,0,0" Background="#FF1A1A1A" Grid.ColumnSpan="2">
@@ -29,7 +29,7 @@
                     <Button x:Name="btnDestFolder" Content="btnDest" Margin="545,171,0,0" VerticalAlignment="Top" Click="btnDestFolder_Click"/>
                 </Grid>
             </GroupBox>
-            <GroupBox x:Name="grpFiles" Header="grpFiles" Margin="709,10,0,0" Height="243" VerticalAlignment="Top" HorizontalAlignment="Left" Width="300">
+            <GroupBox x:Name="grpFiles" Header="grpFiles" Margin="709,10,0,0" Height="276" VerticalAlignment="Top" HorizontalAlignment="Left" Width="300">
                 <Grid>
                     <CheckBox x:Name="chkWord" Content="Word .doc" HorizontalAlignment="Left" Margin="0,10,0,0" VerticalAlignment="Top"/>
                     <CheckBox x:Name="chkExcel" Content="Excel .xls" HorizontalAlignment="Left" Margin="0,45,0,0" VerticalAlignment="Top"/>
@@ -49,12 +49,23 @@
                 </Grid>
             </GroupBox>
             <Button x:Name="btnConvert" Content="Button" HorizontalAlignment="Left" Margin="10,555,0,0" VerticalAlignment="Top" Width="174" Height="42" Click="btnConvert_Click"/>
-            <Label x:Name="lblState" Content="lblState" HorizontalAlignment="Left" Margin="709,258,0,0" VerticalAlignment="Top" Width="300" Height="28"/>
             <Button x:Name="btnExport" Content="btnExport" HorizontalAlignment="Left" Height="33" Margin="915,555,0,0" VerticalAlignment="Top" Width="94" Click="btnExport_Click"/>
             <Button x:Name="btnDelete" Content="btnDelete" HorizontalAlignment="Left" Margin="793,555,0,0" VerticalAlignment="Top" Width="117" Height="33" Click="btnDelete_Click"/>
+            <GroupBox HorizontalAlignment="Left" Height="540" Header="Log" Margin="1028,10,0,0" VerticalAlignment="Top" Width="360">
+                <Grid>
+                    <ListBox x:Name="lstLog" Grid.Row="2" Grid.Column="0" Grid.ColumnSpan="2" ScrollViewer.HorizontalScrollBarVisibility="Auto">
+                        <ListBox.ItemTemplate>
+                            <DataTemplate>
+                                <TextBlock Text="{Binding}" TextAlignment="Left"/>
+                            </DataTemplate>
+                        </ListBox.ItemTemplate>
+                    </ListBox>
+                </Grid>
+            </GroupBox>
+            <Button x:Name="btnExportLog" Content="btnExportLog" HorizontalAlignment="Left" Height="33" Margin="1294,555,0,0" VerticalAlignment="Top" Width="94" Click="btnExport_Click"/>
 
         </Grid>
         <Label Content="Office Document Converter" HorizontalAlignment="Left" Margin="10,16,0,0" VerticalAlignment="Top" Width="277" FontSize="20"/>
-        <ComboBox x:Name="cmbLang" HorizontalAlignment="Left" Margin="887,33,0,0" VerticalAlignment="Top" Width="120" SelectionChanged="cmbLang_SelectionChanged"/>
+        <ComboBox x:Name="cmbLang" HorizontalAlignment="Left" Margin="1267,33,0,0" VerticalAlignment="Top" Width="120" SelectionChanged="cmbLang_SelectionChanged"/>
     </Grid>
 </Window>

OfficeConverterCore/MainWindow.xaml.cs

@@ -1,8 +1,10 @@
-using System;
+using Microsoft.VisualBasic;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Diagnostics;
 using System.IO;
+using System.Linq;
 using System.Runtime.InteropServices;
 using System.Threading;
 using System.Threading.Tasks;
@@ -28,6 +30,8 @@ namespace OfficeConverter
         List<string> combinedFiles = new List<string>();
         List<string> convertedFiles = new List<string>();
 
+        private List<string> logEntries = new List<string>();
+       
         //Globalvariables
         bool doSubfolders = false;
         bool doReplace = false;
@@ -40,7 +44,10 @@ namespace OfficeConverter
 
         public MainWindow()
         {
+
             InitializeComponent();
+            System.Diagnostics.PresentationTraceSources.SetTraceLevel(lstSourceFiles.ItemContainerGenerator, System.Diagnostics.PresentationTraceLevel.High);
+
             setLangEN();
             chkWord.IsChecked = true;
             chkExcel.IsChecked = true;      
@@ -55,23 +62,39 @@ namespace OfficeConverter
             backgroundWorker.DoWork += BackgroundWorker_DoWork;
             backgroundWorker.ProgressChanged += BackgroundWorker_ProgressChanged;
             backgroundWorker.RunWorkerCompleted += BackgroundWorker_RunWorkerCompleted;
-            lblState.Content = "Ready";
+            //lblState.Content = "Ready";
             cancellationTokenSource = new CancellationTokenSource();
         }
+        private void UpdateLog(string logEntry)
+        {
+            // Use Dispatcher.Invoke to update UI elements from the UI thread
+            System.Windows.Application.Current.Dispatcher.Invoke(() =>
+            {
+                logEntries.Add(logEntry);
+
+                // Update the ListBox with log entries
+                lstLog.ItemsSource = logEntries;
+                lstLog.Items.Refresh();
+
+                lstLog.ScrollIntoView(logEntry);
+                lstLog.HorizontalContentAlignment = HorizontalAlignment.Right;
+            });
+        }
+
 
 
         //Konvertier-Button
         private void btnConvert_Click(object sender, RoutedEventArgs e)
         {
             string folderPath = txtSourceFolder.Text;
-            if (cmbLang.SelectedIndex == 0)
+            //if (cmbLang.SelectedIndex == 0)
-            {
+            //{
-                lblState.Content = "Conversion in progress";
+            //    lblState.Content = "Conversion in progress";
-            }
+            //}
-            if (cmbLang.SelectedIndex == 1)
+            //if (cmbLang.SelectedIndex == 1)
-            {
+            //{
-                lblState.Content = "Konvertierung läuft";
+            //    lblState.Content = "Konvertierung läuft";
-            }
+            //}
             
             doSubfolders = (bool)chkSubfolders.IsChecked;
             doReplace = (bool)chkReplace.IsChecked;
@@ -80,6 +103,8 @@ namespace OfficeConverter
             doPPoint = (bool)chkPowerpoint.IsChecked;
             doWordTmpl = (bool)chkWordTmpl.IsChecked; 
             doExcelTmpl = (bool)chkExcelTmpl.IsChecked;
+            logEntries.Clear();
+            lstLog.Items.Refresh();
             
             // Check if the background worker is not already running
             if (!backgroundWorker.IsBusy)
@@ -144,6 +169,8 @@ namespace OfficeConverter
                     combinedFiles.ForEach(file => lstSourceFiles.Items.Add(file));
                     // Enable buttons after conversion completion
                     UpdateButtonStates(true);
+                    grpSourceFiles.Header = "Queue";
+                    MessageBox.Show("Done");
                 });
             }
         }
@@ -159,6 +186,8 @@ namespace OfficeConverter
 
         }
 
+
+        // Iterate over currentFolderFiles and start the conversion asynchronously
         private async Task SearchAndConvertDocs(string folderPath, CancellationToken cancellationToken)
         {
             string[] docFiles = null;
@@ -167,32 +196,48 @@ namespace OfficeConverter
             string[] dotFiles = null;
             string[] xltFiles = null;
 
+            int wordFilesCount = 0;
+            int excelFilesCount = 0;
+            int powerpointFilesCount = 0;
+            int wordTemplateFilesCount = 0;
+            int excelTemplateFilesCount = 0;
 
             if (doWord)
             {
                 docFiles = Directory.GetFiles(folderPath, "*.doc");
+                wordFilesCount = docFiles.Length;
+                UpdateLog($"Found {wordFilesCount} Word files (*.doc) in folder {folderPath}");
             }
             if (doExcel)
             {
                 xlsFiles = Directory.GetFiles(folderPath, "*.xls");
+                excelFilesCount = xlsFiles.Length;
+                UpdateLog($"Found {excelFilesCount} Excel files (*.xls) in folder {folderPath}");
             }
             if (doPPoint)
             {
                 pptFiles = Directory.GetFiles(folderPath, "*.ppt");
+                powerpointFilesCount = pptFiles.Length;
+                UpdateLog($"Found {powerpointFilesCount} PowerPoint files (*.ppt) in folder {folderPath}");
             }
             if (doWordTmpl)
             {
                 dotFiles = Directory.GetFiles(folderPath, "*.dot");
+                wordTemplateFilesCount = dotFiles.Length;
+                UpdateLog($"Found {wordTemplateFilesCount} Word template files (*.dot) in folder {folderPath}");
             }
             if (doExcelTmpl)
             {
-                dotFiles = Directory.GetFiles(folderPath, "*.dot");
+                xltFiles = Directory.GetFiles(folderPath, "*.xlt");
+                excelTemplateFilesCount = xltFiles.Length;
+                UpdateLog($"Found {excelTemplateFilesCount} Excel template files (*.xlt) in folder {folderPath}");
             }
 
             // Check for null before adding to combinedFiles
             if (docFiles != null)
             {
                 combinedFiles.AddRange(docFiles);
+
             }
             if (xlsFiles != null)
             {
@@ -210,7 +255,9 @@ namespace OfficeConverter
             {
                 combinedFiles.AddRange(xltFiles);
             }
+
             Console.WriteLine($"Processing files in folder: {folderPath}");
+            UpdateLog($"Processing files in folder: {folderPath}");
 
             /// Create a copy of the collection to avoid modification during iteration
             List<string> snapshot = new List<string>(combinedFiles);
@@ -253,6 +300,7 @@ namespace OfficeConverter
                 {
                     combinedFiles.Clear();
                 }
+
             }
             catch (OperationCanceledException)
             {
@@ -266,6 +314,12 @@ namespace OfficeConverter
                 foreach (var subfolder in subfolders)
                 {
                     // Pass the cancellation token to the recursive call
+                    System.Windows.Application.Current.Dispatcher.Invoke(() =>
+                    {
+                        string headerName = Path.GetFileName(subfolder);
+                        grpSourceFiles.Header = headerName;
+
+                    });
                     await SearchAndConvertDocs(subfolder, cancellationToken);
 
                     // Check for cancellation after processing each subfolder
@@ -276,14 +330,16 @@ namespace OfficeConverter
                     }
                 }
             }
+            // Use Dispatcher.Invoke to update UI elements from the UI thread
+            //System.Windows.Application.Current.Dispatcher.Invoke(() =>
+            //{
+            //    lblState.Content = "Background work completed!";
+            //});
 
-            System.Windows.Application.Current.Dispatcher.Invoke(() =>
-            {
-                lblState.Content = "Background work completed!";
-            });
 
             DisplayCombinedFiles();
         }
+
         private async Task ConvertFileToNewFormatAsync(string filePath)
         {
             await Task.Run(() =>
@@ -318,23 +374,36 @@ namespace OfficeConverter
                             // Handle other file types or show an error message
                             Console.WriteLine($"Unsupported file type: {filePath}");
                             break;
+
                     }
+
+                    string logEntry = $"Converted file: {filePath}";
+                    Console.WriteLine(logEntry);
+                    UpdateLog(logEntry);
+
+                    System.Windows.Application.Current.Dispatcher.Invoke(() =>
+                    {
+                        combinedFiles.Remove(filePath);
+                        if (!convertedFiles.Contains(filePath))
+                        {
+                            convertedFiles.Add(filePath);
+                            DisplayCombinedFiles();
+                        }
+                        DisplayCombinedFiles();
+                    });
+
                 }
                 catch (Exception ex)
                 {
                     // Handle exceptions during conversion
-                    Console.WriteLine($"Error converting {filePath}: {ex.Message}");
+                    string logEntry = $"Error converting {filePath}: {ex.Message}";
+                    Console.WriteLine(logEntry);
+                    UpdateLog(logEntry);
                 }
             });
 
             // Update UI on the main thread
-            System.Windows.Application.Current.Dispatcher.Invoke(() =>
-            {
-                combinedFiles.Remove(filePath);
-                convertedFiles.Add(filePath);
  
-                DisplayCombinedFiles();
-            });
         }
         private void ConvertXlsToXlsx(string xlsFile, bool doSubfolders, bool doReplace)
         {
@@ -364,6 +433,20 @@ namespace OfficeConverter
                 workbook.SaveAs(newXlsxPath, Excel.XlFileFormat.xlOpenXMLWorkbook);
                 workbook.Close();
             }
+            catch (Exception ex)
+            {
+                // Handle or log the exception
+                Console.WriteLine($"Error converting {xlsFile} to .dotx: {ex.Message}");
+                string logEntry = $"Error converting {xlsFile} to .dotx: {ex.Message}";
+                System.Windows.Application.Current.Dispatcher.Invoke(() =>
+                {
+                    logEntries.Add(logEntry);
+                    // Update the ListBox with log entries
+                    lstLog.ItemsSource = logEntries;
+                    lstLog.Items.Refresh();
+                    lstLog.ScrollIntoView(logEntry);
+                });
+            }
             finally
             {
                 // Quit Excel and release resources
@@ -404,6 +487,20 @@ namespace OfficeConverter
                     workbook.SaveAs(newXltxPath, Excel.XlFileFormat.xlOpenXMLTemplate);
                     workbook.Close();
                 }
+                catch (Exception ex)
+                {
+                    // Handle or log the exception
+                    Console.WriteLine($"Error converting {xltFile} to .dotx: {ex.Message}");
+                    string logEntry = $"Error converting {xltFile} to .dotx: {ex.Message}";
+                    System.Windows.Application.Current.Dispatcher.Invoke(() =>
+                    {
+                        logEntries.Add(logEntry);
+                        // Update the ListBox with log entries
+                        lstLog.ItemsSource = logEntries;
+                        lstLog.Items.Refresh();
+                        lstLog.ScrollIntoView(logEntry);
+                    });
+                }
                 finally
                 {
                     // Quit Excel and release resources
@@ -462,6 +559,20 @@ namespace OfficeConverter
                 presentation.SaveAs(newPptxPath, PowerPoint.PpSaveAsFileType.ppSaveAsOpenXMLPresentation);
                 presentation.Close();
             }
+            catch (Exception ex)
+            {
+                // Handle or log the exception
+                Console.WriteLine($"Error converting {pptFile} to .dotx: {ex.Message}");
+                string logEntry = $"Error converting {pptFile} to .dotx: {ex.Message}";
+                System.Windows.Application.Current.Dispatcher.Invoke(() =>
+                {
+                    logEntries.Add(logEntry);
+                    // Update the ListBox with log entries
+                    lstLog.ItemsSource = logEntries;
+                    lstLog.Items.Refresh();
+                    lstLog.ScrollIntoView(logEntry);
+                });
+            }
             finally
             {
                 // Set PowerPoint application visibility back to true before quitting
@@ -499,6 +610,20 @@ namespace OfficeConverter
                 doc.SaveAs2(newDocxPath, Word.WdSaveFormat.wdFormatXMLDocument);
                 doc.Close();
             }
+            catch (Exception ex)
+            {
+                // Handle or log the exception
+                Console.WriteLine($"Error converting {docFile} to .dotx: {ex.Message}");
+                string logEntry = $"Error converting {docFile} to .dotx: {ex.Message}";
+                System.Windows.Application.Current.Dispatcher.Invoke(() =>
+                {
+                    logEntries.Add(logEntry);
+                    // Update the ListBox with log entries
+                    lstLog.ItemsSource = logEntries;
+                    lstLog.Items.Refresh();
+                    lstLog.ScrollIntoView(logEntry);
+                });
+            }
             finally
             {
                 // Quit Word and release resources
@@ -537,6 +662,20 @@ namespace OfficeConverter
                 doc.SaveAs2(newDotxPath, Word.WdSaveFormat.wdFormatXMLTemplate);
                 doc.Close();
             }
+            catch (Exception ex)
+            {
+                // Handle or log the exception
+                Console.WriteLine($"Error converting {dotFile} to .dotx: {ex.Message}");
+                string logEntry = $"Error converting {dotFile} to .dotx: {ex.Message}";
+                System.Windows.Application.Current.Dispatcher.Invoke(() =>
+                {
+                    logEntries.Add(logEntry);
+                    // Update the ListBox with log entries
+                    lstLog.ItemsSource = logEntries;
+                    lstLog.Items.Refresh();
+                    lstLog.ScrollIntoView(logEntry);
+                });
+            }
             finally
             {
                 // Quit Word and release resources
@@ -591,10 +730,10 @@ namespace OfficeConverter
                     string sourceFolderName = Path.GetFileName(originalFolderPath);
 
                     // Remove the source folder name from the target path
-                    targetFolder = targetFolder.Replace(sourceFolderName, "").TrimEnd('\\');
+                    targetFolder = targetFolder.TrimEnd('\\');
 
                     // Replace the original folder path with the destination folder path
-                    targetFolder = targetFolder.Replace(originalFolderPath, txtDestFolder.Text.TrimEnd('\\'));
+                   //targetFolder = targetFolder.Replace(originalFolderPath, txtDestFolder.Text.TrimEnd('\\'));
                 }
             }
 
@@ -634,6 +773,7 @@ namespace OfficeConverter
             btnDelete.Content = "Delete Files";
             btnExport.Content = "Export list";
             errorFolderEmpty = "Destination folder is required when 'Replace files' is not selected.";
+            btnExportLog.Content = "Save Log";
         }
         private void setLangDE()
         {
@@ -651,6 +791,7 @@ namespace OfficeConverter
             btnDelete.Content = "Dateien löschen";
             btnExport.Content = "Liste exportieren";
             errorFolderEmpty = "Zielordner darf nicht leer sein, wenn 'Ersetze Dateien' nicht gewählt wurde.";
+            btnExportLog.Content = "Log sichern";
         }
         private void btnDestFolder_Click(object sender, RoutedEventArgs e)
         {
@@ -748,6 +889,20 @@ namespace OfficeConverter
                 System.Windows.MessageBox.Show($"Error exporting converted files: {ex.Message}");
             }
         }
+        private void ExportConvertedLogFilesToFile(string filePath)
+        {
+            try
+            {
+                // Write the contents of the convertedFiles list to a text file
+                File.WriteAllLines(filePath, logEntries);
+
+                System.Windows.MessageBox.Show($"Export successful. File saved at: {filePath}");
+            }
+            catch (Exception ex)
+            {
+                System.Windows.MessageBox.Show($"Error exporting converted files: {ex.Message}");
+            }
+        }
 
         private void btnExport_Click(object sender, RoutedEventArgs e)
         {
@@ -764,7 +919,21 @@ namespace OfficeConverter
                 ExportConvertedFilesToFile(saveFileDialog.FileName);
             }
         }
+        private void btnExportLog_Click(object sender, RoutedEventArgs e)
+        {
+            // Use a SaveFileDialog to let the user choose the export file location
+            var saveFileDialog = new Microsoft.Win32.SaveFileDialog
+            {
+                Filter = "Text Files (*.txt)|*.txt|All Files (*.*)|*.*",
+                DefaultExt = "txt"
+            };
 
+            if (saveFileDialog.ShowDialog() == true)
+            {
+                // Call the ExportConvertedFilesToFile method with the selected file path
+                ExportConvertedLogFilesToFile(saveFileDialog.FileName);
+            }
+        }
         private async void DeleteConvertedFilesAsync()
         {
             // Show a confirmation dialog