public void Generate(BasePreviewContainer previewContainer, CancellationToken cancellationToken)
{
var excelContainer = (ExcelPreviewContainer)previewContainer;
var txtDestination = Path.Combine(excelContainer.ContainerPath, PreviewFormats.Text);
var updateTxt = !(Directory.Exists(txtDestination) && Directory.GetFiles(txtDestination).Any());
if (!Directory.Exists(txtDestination))
Directory.CreateDirectory(txtDestination);
var updated = updateTxt;
if (updated)
{
try
{
if (ExcelHelper.Instance.Connect())
{
MessageFilter.Register();
var workbook = ExcelHelper.Instance.ExcelObject.Workbooks.Open(excelContainer.SourcePath, ReadOnly: true);
string txtFileName = Path.Combine(txtDestination, Path.ChangeExtension(Path.GetFileName(excelContainer.SourcePath), "txt"));
workbook.SaveAs(txtFileName, XlFileFormat.xlTextWindows);
workbook.Close();
Utils.ReleaseComObject(workbook);
}
}
catch { }
finally
{
MessageFilter.Revoke();
ExcelHelper.Instance.Disconnect();
}
}
if (updated)
previewContainer.MarkAsModified();
}
public void Generate(BasePreviewContainer previewContainer, CancellationToken cancellationToken)
{
var updated = false;
FFMpegData videoData = null;
if (!cancellationToken.IsCancellationRequested)
{
var infoDestination = Path.Combine(previewContainer.ContainerPath, PreviewFormats.VideoInfo);
var updateInfo = !(Directory.Exists(infoDestination) && Directory.GetFiles(infoDestination).Any());
if (!Directory.Exists(infoDestination))
Directory.CreateDirectory(infoDestination);
if (updateInfo)
VideoHelper.ExtractVideoInfo(previewContainer.SourcePath, infoDestination, cancellationToken);
videoData = ((VideoPreviewContainer)previewContainer).GetVideoData();
updated |= updateInfo;
}
if (!cancellationToken.IsCancellationRequested && videoData != null && !((VideoPreviewContainer)previewContainer).IsMp4Converted)
{
var mp4Destination = Path.Combine(previewContainer.ContainerPath, PreviewFormats.VideoMp4);
var updateMp4 = !(Directory.Exists(mp4Destination) && Directory.GetFiles(mp4Destination).Any());
if (!Directory.Exists(mp4Destination))
Directory.CreateDirectory(mp4Destination);
if (updateMp4)
VideoHelper.ExportMp4(previewContainer.SourcePath, mp4Destination, videoData, cancellationToken);
updated |= updateMp4;
}
if (!cancellationToken.IsCancellationRequested && videoData != null)
{
var sourceFile = !((VideoPreviewContainer)previewContainer).IsMp4Converted ?
Path.Combine(previewContainer.ContainerPath, PreviewFormats.VideoMp4, Path.ChangeExtension(Path.GetFileName(previewContainer.SourcePath), ".mp4")) :
previewContainer.SourcePath;
var thumbDestination = Path.Combine(previewContainer.ContainerPath, PreviewFormats.VideoThumbnail);
var updateThumbs = !(Directory.Exists(thumbDestination) && Directory.GetFiles(thumbDestination).Any());
if (!Directory.Exists(thumbDestination))
Directory.CreateDirectory(thumbDestination);
if (updateThumbs)
{
VideoHelper.GenerateThumbnails(sourceFile, thumbDestination, videoData, cancellationToken);
PngHelper.ConvertFiles(thumbDestination);
}
updated |= updateThumbs;
}
if (updated)
previewContainer.MarkAsModified();
}
public void Generate(BasePreviewContainer previewContainer, CancellationToken cancellationToken)
{
var updated = false;
var pdfContainer = (PdfPreviewContainer)previewContainer;
var pngDestination = Path.Combine(pdfContainer.ContainerPath, PreviewFormats.Png);
var updatePng = !(Directory.Exists(pngDestination) && Directory.GetFiles(pngDestination).Any()) &&
pdfContainer.GenerateImages;
if (updatePng && !Directory.Exists(pngDestination))
Directory.CreateDirectory(pngDestination);
var pngPhoneDestination = Path.Combine(pdfContainer.ContainerPath, PreviewFormats.PngForMobile);
var updatePngPhone = !(Directory.Exists(pngPhoneDestination) && Directory.GetFiles(pngPhoneDestination).Any()) &&
pdfContainer.GenerateImages;
if (updatePngPhone && !Directory.Exists(pngPhoneDestination))
Directory.CreateDirectory(pngPhoneDestination);
var thumbsDestination = Path.Combine(pdfContainer.ContainerPath, PreviewFormats.Thumbnails);
var updateThumbs = !(Directory.Exists(thumbsDestination) && Directory.GetFiles(thumbsDestination).Any()) &&
pdfContainer.GenerateImages;
if (updateThumbs && !Directory.Exists(thumbsDestination))
Directory.CreateDirectory(thumbsDestination);
var thumbsPhoneDestination = Path.Combine(pdfContainer.ContainerPath, PreviewFormats.ThumbnailsForMobile);
var updateThumbsPhone = !(Directory.Exists(thumbsPhoneDestination) && Directory.GetFiles(thumbsPhoneDestination).Any()) &&
pdfContainer.GenerateImages;
if (updateThumbsPhone && !Directory.Exists(thumbsPhoneDestination))
Directory.CreateDirectory(thumbsPhoneDestination);
if (updatePng || updateThumbs)
PdfHelper.ExportPdf(pdfContainer.SourcePath, pngDestination, thumbsDestination);
if (updatePngPhone || updateThumbsPhone)
PdfHelper.ExportPdfPhone(pdfContainer.SourcePath, pngPhoneDestination,thumbsPhoneDestination);
var txtDestination = Path.Combine(pdfContainer.ContainerPath, PreviewFormats.Text);
var updateTxt = !(Directory.Exists(txtDestination) && Directory.GetFiles(txtDestination).Any()) &&
pdfContainer.GenerateText;
if (updateTxt && !Directory.Exists(txtDestination))
Directory.CreateDirectory(txtDestination);
if (updateTxt)
PdfHelper.ExtractText(pdfContainer.SourcePath, Path.Combine(txtDestination, Path.ChangeExtension(Path.GetFileName(pdfContainer.SourcePath), "txt")));
updated = updatePng || updateThumbs || updatePngPhone || updateThumbsPhone || updateTxt;
if (updated)
{
PngHelper.ConvertFiles(pdfContainer.ContainerPath);
previewContainer.MarkAsModified();
}
}
public void Generate(BasePreviewContainer previewContainer, CancellationToken cancellationToken)
{
var wordContainer = (WordPreviewContainer)previewContainer;
var pdfDestination = Path.Combine(wordContainer.ContainerPath, PreviewFormats.Pdf);
var updatePdf = !(Directory.Exists(pdfDestination) && Directory.GetFiles(pdfDestination).Any());
if (updatePdf && !Directory.Exists(pdfDestination))
Directory.CreateDirectory(pdfDestination);
var pngDestination = Path.Combine(wordContainer.ContainerPath, PreviewFormats.Png);
var updatePng = !(Directory.Exists(pngDestination) && Directory.GetFiles(pngDestination).Any()) &&
wordContainer.GenerateImages;
if (updatePng && !Directory.Exists(pngDestination))
Directory.CreateDirectory(pngDestination);
var pngPhoneDestination = Path.Combine(wordContainer.ContainerPath, PreviewFormats.PngForMobile);
var updatePngPhone = !(Directory.Exists(pngPhoneDestination) && Directory.GetFiles(pngPhoneDestination).Any()) &&
wordContainer.GenerateImages;
if (updatePngPhone && !Directory.Exists(pngPhoneDestination))
Directory.CreateDirectory(pngPhoneDestination);
var thumbsDestination = Path.Combine(wordContainer.ContainerPath, PreviewFormats.Thumbnails);
var updateThumbs = !(Directory.Exists(thumbsDestination) && Directory.GetFiles(thumbsDestination).Any()) &&
wordContainer.GenerateImages;
if (updateThumbs && !Directory.Exists(thumbsDestination))
Directory.CreateDirectory(thumbsDestination);
var thumbsPhoneDestination = Path.Combine(wordContainer.ContainerPath, PreviewFormats.ThumbnailsForMobile);
var updateThumbsPhone = !(Directory.Exists(thumbsPhoneDestination) && Directory.GetFiles(thumbsPhoneDestination).Any()) &&
wordContainer.GenerateImages;
if (updateThumbsPhone && !Directory.Exists(thumbsPhoneDestination))
Directory.CreateDirectory(thumbsPhoneDestination);
var docxDestination = Path.Combine(wordContainer.ContainerPath, PreviewFormats.Word);
var updateDocx = !(Directory.Exists(docxDestination) && Directory.GetFiles(docxDestination).Any());
if (updateDocx && !Directory.Exists(docxDestination))
Directory.CreateDirectory(docxDestination);
var txtDestination = Path.Combine(wordContainer.ContainerPath, PreviewFormats.Text);
var updateTxt = !(Directory.Exists(txtDestination) && Directory.GetFiles(txtDestination).Any()) &&
wordContainer.GenerateText;
if (updateTxt && !Directory.Exists(txtDestination))
Directory.CreateDirectory(txtDestination);
var needToUpdate = updatePdf ||
updatePng ||
updateThumbs ||
updateDocx ||
updateTxt ||
updatePngPhone ||
updateThumbsPhone;
if (!needToUpdate) return;
var updated = false;
var tryCount = 0;
do
{
using (var wordProcessor = new WordHidden())
{
try
{
if (!wordProcessor.Connect()) continue;
MessageFilter.Register();
var sourceFileName = Path.GetFileName(wordContainer.SourcePath);
var sourceFilePath = wordContainer.SourcePath;
var document = wordProcessor.WordObject.Documents.Open(sourceFilePath);
document.Final = false;
var pdfFileName = Path.Combine(pdfDestination, Path.ChangeExtension(sourceFileName, "pdf"));
if (updatePdf)
{
document.ExportAsFixedFormat(pdfFileName, WdExportFormat.wdExportFormatPDF);
}
if (updatePng || updateThumbs)
PdfHelper.ExportPdf(pdfFileName, pngDestination, thumbsDestination);
if (updatePngPhone || updateThumbsPhone)
PdfHelper.ExportPdfPhone(pdfFileName, pngPhoneDestination, thumbsPhoneDestination);
if (updateTxt)
{
var txtFileName = Path.Combine(txtDestination, Path.ChangeExtension(sourceFileName, "txt"));
using (var sw = new StreamWriter(txtFileName, false))
{
sw.Write(document.Content.Text);
sw.Flush();
}
}
if (updateDocx)
{
var documentSlitted = false;
wordProcessor.WordObject.Browser.Target = WdBrowseTarget.wdBrowsePage;
var pageCount = document.ComputeStatistics(WdStatistic.wdStatisticPages);
try
{
for (var i = 1; i <= pageCount; i++)
{
document.Bookmarks["\\page"].Range.Copy();
var singlePageDocument = wordProcessor.WordObject.Documents.Add();
singlePageDocument.Activate();
wordProcessor.WordObject.Selection.Paste();
wordProcessor.WordObject.Selection.TypeBackspace();
singlePageDocument.SaveAs(Path.Combine(docxDestination, string.Format("Page{0}.{1}", i, "docx")), WdSaveFormat.wdFormatXMLDocument);
singlePageDocument.Close();
Utils.ReleaseComObject(singlePageDocument);
document.Activate();
wordProcessor.WordObject.Browser.Next();
}
documentSlitted = true;
}
catch { }
if (!documentSlitted)
for (var i = 1; i <= pageCount; i++)
document.SaveAs(Path.Combine(docxDestination, string.Format("Page{0}.{1}", i, "docx")), WdSaveFormat.wdFormatXMLDocument);
}
document.Close(false);
Utils.ReleaseComObject(document);
updated = true;
}
catch
{
}
finally
{
tryCount++;
MessageFilter.Revoke();
}
}
} while (!updated && tryCount < 10);
if (needToUpdate)
{
PngHelper.ConvertFiles(wordContainer.ContainerPath);
previewContainer.MarkAsModified();
}
}
public void Generate(BasePreviewContainer previewContainer, CancellationToken cancellationToken)
{
var powerPointContainer = (PowerPointPreviewContainer)previewContainer;
var updated = false;
var tryCount = 0;
do
{
var pdfDestination = Path.Combine(powerPointContainer.ContainerPath, PreviewFormats.Pdf);
var updatePdf = !(Directory.Exists(pdfDestination) && Directory.GetFiles(pdfDestination).Any());
if (updatePdf && !Directory.Exists(pdfDestination))
Directory.CreateDirectory(pdfDestination);
var pngDestination = Path.Combine(powerPointContainer.ContainerPath, PreviewFormats.Png);
var updatePng = !(Directory.Exists(pngDestination) && Directory.GetFiles(pngDestination).Any()) &&
powerPointContainer.GenerateImages;
if (updatePng && !Directory.Exists(pngDestination))
Directory.CreateDirectory(pngDestination);
var pngPhoneDestination = Path.Combine(powerPointContainer.ContainerPath, PreviewFormats.PngForMobile);
var updatePngPhone = !(Directory.Exists(pngPhoneDestination) && Directory.GetFiles(pngPhoneDestination).Any()) &&
powerPointContainer.GenerateImages;
if (updatePngPhone && !Directory.Exists(pngPhoneDestination))
Directory.CreateDirectory(pngPhoneDestination);
var thumbDestination = Path.Combine(powerPointContainer.ContainerPath, PreviewFormats.Thumbnails);
var updateThumbs = !(Directory.Exists(thumbDestination) && Directory.GetFiles(thumbDestination).Any()) &&
powerPointContainer.GenerateImages;
if (updateThumbs && !Directory.Exists(thumbDestination))
Directory.CreateDirectory(thumbDestination);
var thumbsPhoneDestination = Path.Combine(powerPointContainer.ContainerPath, PreviewFormats.ThumbnailsForMobile);
var updateThumbsPhone = !(Directory.Exists(thumbsPhoneDestination) && Directory.GetFiles(thumbsPhoneDestination, "*.png").Length > 0) &&
powerPointContainer.GenerateImages;
if (updateThumbsPhone && !Directory.Exists(thumbsPhoneDestination))
Directory.CreateDirectory(thumbsPhoneDestination);
var pptxDestination = Path.Combine(powerPointContainer.ContainerPath, PreviewFormats.PowerPoint);
var updatePptx = !(Directory.Exists(pptxDestination) && Directory.GetFiles(pptxDestination).Any());
if (updatePptx && !Directory.Exists(pptxDestination))
Directory.CreateDirectory(pptxDestination);
var txtDestination = Path.Combine(powerPointContainer.ContainerPath, PreviewFormats.Text);
var updateTxt = !(Directory.Exists(txtDestination) && Directory.GetFiles(txtDestination).Any()) &&
powerPointContainer.GenerateText;
if (updateTxt && !Directory.Exists(txtDestination))
Directory.CreateDirectory(txtDestination);
var needToUpdate = updatePdf ||
updatePng ||
updateThumbs ||
updatePptx ||
updateTxt ||
updatePngPhone ||
updateThumbsPhone;
if (!needToUpdate)
break;
using (var powerPointProcessor = new PowerPointHidden())
{
try
{
var processInteropped = false;
if (!powerPointProcessor.Connect(true)) continue;
MessageFilter.Register();
Presentation presentation = null;
processInteropped = powerPointProcessor.DoTimeLimitedAction(() =>
{
presentation = powerPointProcessor.PowerPointObject.Presentations.Open(previewContainer.SourcePath, WithWindow: MsoTriState.msoFalse);
presentation.Final = false;
});
if (processInteropped || presentation == null) continue;
var content = new StringBuilder();
if (!cancellationToken.IsCancellationRequested && (updatePng || updateThumbs || updatePptx || updateTxt || updatePngPhone || updateThumbsPhone))
{
var i = 1;
var thumbHeight = (int)presentation.PageSetup.SlideHeight / 10;
var thumbWidth = (int)presentation.PageSetup.SlideWidth / 10;
var phoneHeight = (int)(presentation.PageSetup.SlideHeight / 1.5);
var phoneWidth = (int)(presentation.PageSetup.SlideWidth / 1.5);
var thumbPhoneHeight = (int)presentation.PageSetup.SlideHeight / 4;
var thumbPhoneWidth = (int)presentation.PageSetup.SlideWidth / 4;
foreach (Slide slide in presentation.Slides)
{
if (cancellationToken.IsCancellationRequested) break;
if (updatePng)
{
processInteropped = powerPointProcessor.DoTimeLimitedAction(() =>
{
slide.Export(Path.Combine(pngDestination, String.Format("Slide{0}.{1}", i, "png")), "PNG");
});
if (processInteropped)
break;
}
if (updatePngPhone)
{
processInteropped = powerPointProcessor.DoTimeLimitedAction(() =>
{
slide.Export(Path.Combine(pngPhoneDestination, String.Format("Slide{0}.{1}", i, "png")), "PNG", phoneWidth, phoneHeight);
});
if (processInteropped)
break;
}
if (updateThumbs)
{
processInteropped = powerPointProcessor.DoTimeLimitedAction(() =>
{
slide.Export(Path.Combine(thumbDestination, String.Format("Slide{0}.{1}", i, "png")), "PNG", thumbWidth, thumbHeight);
});
if (processInteropped)
break;
}
if (updateThumbsPhone)
{
processInteropped = powerPointProcessor.DoTimeLimitedAction(() =>
{
slide.Export(Path.Combine(thumbsPhoneDestination, String.Format("Slide{0}.{1}", i, "png")), "PNG", thumbPhoneWidth, thumbPhoneHeight);
});
if (processInteropped)
break;
}
if (updatePptx)
{
processInteropped = powerPointProcessor.DoTimeLimitedAction(() =>
{
var singleSlidePresentation = powerPointProcessor.PowerPointObject.Presentations.Open(previewContainer.SourcePath, WithWindow: MsoTriState.msoFalse);
var totalSlides = singleSlidePresentation.Slides.Count;
for (int j = totalSlides; j >= 1; j--)
if (j != i)
singleSlidePresentation.Slides[j].Delete();
singleSlidePresentation.SaveCopyAs(Path.Combine(pptxDestination, String.Format("Slide{0}.{1}", i, "pptx")));
singleSlidePresentation.Close();
Utils.ReleaseComObject(singleSlidePresentation);
});
if (processInteropped)
break;
}
if (updateTxt)
{
processInteropped = powerPointProcessor.DoTimeLimitedAction(() =>
{
foreach (var shape in slide.Shapes.OfType<Shape>().Where(shape => shape.HasTextFrame == MsoTriState.msoTrue))
content.AppendLine(shape.TextFrame.TextRange.Text.Trim());
});
if (processInteropped)
break;
}
i++;
}
if (processInteropped)
continue;
}
if (!cancellationToken.IsCancellationRequested && updateTxt)
using (var sw = new StreamWriter(Path.Combine(txtDestination, Path.ChangeExtension(Path.GetFileName(powerPointContainer.SourcePath), "txt")), false))
{
sw.Write(content.ToString());
sw.Flush();
}
if (!cancellationToken.IsCancellationRequested && updatePdf)
{
processInteropped = powerPointProcessor.DoTimeLimitedAction(() =>
presentation.ExportAsFixedFormat(
Path.Combine(pdfDestination,
Path.ChangeExtension(Path.GetFileName(powerPointContainer.SourcePath), "pdf")),
PpFixedFormatType.ppFixedFormatTypePDF));
if (processInteropped)
continue;
}
presentation.Close();
Utils.ReleaseComObject(presentation);
if (needToUpdate)
{
PngHelper.ConvertFiles(powerPointContainer.ContainerPath);
previewContainer.MarkAsModified();
}
updated = true;
}
catch { }
finally
{
tryCount++;
MessageFilter.Revoke();
}
}
} while (!updated && tryCount < 10);
}