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181 changes: 181 additions & 0 deletions
181
QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/OfficeInteropWrapper.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,181 @@ | ||
| using System; | ||
| using System.Diagnostics; | ||
| using System.IO; | ||
| using Microsoft.Office.Interop.Excel; | ||
| using Microsoft.Office.Interop.PowerPoint; | ||
| using Microsoft.Office.Interop.Word; | ||
| using Application = Microsoft.Office.Interop.Excel.Application; | ||
| using Task = System.Threading.Tasks.Task; | ||
|
|
||
| namespace QuickLook.Plugin.OfficeViewer | ||
| { | ||
| internal class OfficeInteropWrapper : IDisposable | ||
| { | ||
| public enum FileTypeEnum | ||
| { | ||
| Word, | ||
| Excel, | ||
| PowerPoint | ||
| } | ||
|
|
||
| private readonly string _path; | ||
| private readonly string _tempPdf = Path.GetTempFileName(); | ||
|
|
||
| private Application _excelApp; | ||
| private Microsoft.Office.Interop.PowerPoint.Application _powerpointApp; | ||
| private Microsoft.Office.Interop.Word.Application _wordApp; | ||
|
|
||
| public OfficeInteropWrapper(string path) | ||
| { | ||
| _path = path; | ||
|
|
||
| switch (Path.GetExtension(path).ToLower()) | ||
| { | ||
| case ".doc": | ||
| case ".docx": | ||
| FileType = FileTypeEnum.Word; | ||
| break; | ||
| case ".xls": | ||
| case ".xlsx": | ||
| FileType = FileTypeEnum.Excel; | ||
| break; | ||
| case ".ppt": | ||
| case ".pptx": | ||
| FileType = FileTypeEnum.PowerPoint; | ||
| break; | ||
| default: | ||
| throw new NotSupportedException($"{path} is not supported."); | ||
| } | ||
|
|
||
| LoadApplication(); | ||
| } | ||
|
|
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| public FileTypeEnum FileType { get; } | ||
|
|
||
| public void Dispose() | ||
| { | ||
| GC.SuppressFinalize(this); | ||
|
|
||
| // communicate with COM in a separate thread | ||
| Task.Run(() => | ||
| { | ||
| try | ||
| { | ||
| //_wordApp?.Documents.Close(false); | ||
| _wordApp?.Quit(false); | ||
| _wordApp = null; | ||
|
|
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| _excelApp?.Workbooks.Close(); | ||
| _excelApp?.Quit(); | ||
| _excelApp = null; | ||
|
|
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| _powerpointApp?.Quit(); | ||
| _powerpointApp = null; | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| Debug.WriteLine(e.Message); | ||
| Debug.WriteLine(e.StackTrace); | ||
| } | ||
| }) | ||
| .Wait(); | ||
| } | ||
|
|
||
| public string SaveAsPdf() | ||
| { | ||
| if (_wordApp == null && _excelApp == null && _powerpointApp == null) | ||
| throw new Exception("Office application launch failed."); | ||
|
|
||
| var succeeded = false; | ||
|
|
||
| // communicate with COM in a separate thread | ||
| Task.Run(() => | ||
| { | ||
| try | ||
| { | ||
| switch (FileType) | ||
| { | ||
| case FileTypeEnum.Word: | ||
| _wordApp.ActiveDocument.ExportAsFixedFormat(_tempPdf, | ||
| WdExportFormat.wdExportFormatPDF); | ||
| succeeded = true; | ||
| break; | ||
| case FileTypeEnum.Excel: | ||
| _excelApp.ActiveWorkbook.ExportAsFixedFormat(XlFixedFormatType.xlTypePDF, | ||
| _tempPdf); | ||
| succeeded = true; | ||
| break; | ||
| case FileTypeEnum.PowerPoint: | ||
| _powerpointApp.ActivePresentation.ExportAsFixedFormat(_tempPdf, | ||
| PpFixedFormatType.ppFixedFormatTypePDF); | ||
| succeeded = true; | ||
| break; | ||
| default: | ||
| throw new NotSupportedException($"{_path} is not supported."); | ||
| } | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| Debug.WriteLine(e.Message); | ||
| Debug.WriteLine(e.StackTrace); | ||
| } | ||
| }) | ||
| .Wait(); | ||
|
|
||
| if (succeeded) | ||
| return FileType == FileTypeEnum.Excel | ||
| ? _tempPdf + ".pdf" | ||
| : _tempPdf; // Excel will add ".pdf" to our filename | ||
|
|
||
| Dispose(); | ||
| return string.Empty; | ||
| } | ||
|
|
||
| private void LoadApplication() | ||
| { | ||
| var succeeded = false; | ||
|
|
||
| // communicate with COM in a separate thread | ||
| Task.Run(() => | ||
| { | ||
| try | ||
| { | ||
| switch (FileType) | ||
| { | ||
| case FileTypeEnum.Word: | ||
| _wordApp = new Microsoft.Office.Interop.Word.Application(); | ||
| _wordApp.Documents.Add(_path); | ||
| succeeded = true; | ||
| break; | ||
| case FileTypeEnum.Excel: | ||
| _excelApp = new Application(); | ||
| _excelApp.Workbooks.Add(_path); | ||
| succeeded = true; | ||
| break; | ||
| case FileTypeEnum.PowerPoint: | ||
| _powerpointApp = new Microsoft.Office.Interop.PowerPoint.Application(); | ||
| _powerpointApp.Presentations.Open(_path); | ||
| succeeded = true; | ||
| break; | ||
| default: | ||
| throw new NotSupportedException($"{_path} is not supported."); | ||
| } | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| Debug.WriteLine(e.Message); | ||
| Debug.WriteLine(e.StackTrace); | ||
| } | ||
| }) | ||
| .Wait(); | ||
|
|
||
| if (!succeeded) | ||
| Dispose(); | ||
| } | ||
|
|
||
| ~OfficeInteropWrapper() | ||
| { | ||
| Dispose(); | ||
| } | ||
| } | ||
| } |
93 changes: 93 additions & 0 deletions
93
QuickLook.Plugin/QuickLook.Plugin.OfficeViewer/PluginInterface.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| using System; | ||
| using System.IO; | ||
| using System.Windows; | ||
| using QuickLook.Plugin.PDFViewer; | ||
|
|
||
| namespace QuickLook.Plugin.OfficeViewer | ||
| { | ||
| public class PluginInterface : IViewer | ||
| { | ||
| private string _pdfPath = ""; | ||
| private PdfViewerControl _pdfViewer; | ||
|
|
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| public int Priority => int.MaxValue; | ||
|
|
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| public bool CanHandle(string path) | ||
| { | ||
| if (Directory.Exists(path)) | ||
| return false; | ||
|
|
||
| switch (Path.GetExtension(path).ToLower()) | ||
| { | ||
| case ".doc": | ||
| case ".docx": | ||
| case ".xls": | ||
| case ".xlsx": | ||
| case ".ppt": | ||
| case ".pptx": | ||
| return true; | ||
| } | ||
|
|
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| return false; | ||
| } | ||
|
|
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| public void Prepare(string path, ViewContentContainer container) | ||
| { | ||
| container.SetPreferedSizeFit(new Size {Width = 800, Height = 600}, 0.8); | ||
| } | ||
|
|
||
| public void View(string path, ViewContentContainer container) | ||
| { | ||
| using (var officeApp = new OfficeInteropWrapper(path)) | ||
| { | ||
| _pdfPath = officeApp.SaveAsPdf(); | ||
| } | ||
|
|
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| if (string.IsNullOrEmpty(_pdfPath)) | ||
| throw new Exception("COM failed."); | ||
|
|
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| _pdfViewer = new PdfViewerControl(); | ||
|
|
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| _pdfViewer.Loaded += (sender, e) => | ||
| { | ||
| try | ||
| { | ||
| _pdfViewer.LoadPdf(_pdfPath); | ||
| } | ||
| catch (Exception ex) | ||
| { | ||
| throw ex; | ||
| } | ||
|
|
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| container.Title = $"{Path.GetFileName(path)} (1 / {_pdfViewer.TotalPages})"; | ||
| }; | ||
| _pdfViewer.CurrentPageChanged += (sender, e) => container.Title = | ||
| $"{Path.GetFileName(path)} ({_pdfViewer.CurrectPage + 1} / {_pdfViewer.TotalPages})"; | ||
|
|
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| container.SetContent(_pdfViewer); | ||
| } | ||
|
|
||
| public void Dispose() | ||
| { | ||
| GC.SuppressFinalize(this); | ||
|
|
||
| // release the Pdf file first | ||
| _pdfViewer?.Dispose(); | ||
| _pdfViewer = null; | ||
|
|
||
| try | ||
| { | ||
| File.Delete(_pdfPath); | ||
| } | ||
| catch (Exception) | ||
| { | ||
| // ignored | ||
| } | ||
| } | ||
|
|
||
| ~PluginInterface() | ||
| { | ||
| Dispose(); | ||
| } | ||
| } | ||
| } |
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