public async Task <IActionResult> Create(LoadFormatViewModel viewModel)
{
FileTypes[] values = (FileTypes[])Enum.GetValues(typeof(FileTypes));
if (ModelState.IsValid)
{
LoadFormat loadFormat = new LoadFormat();
loadFormat = viewModel.LoadFormat;
loadFormat.ID = Guid.NewGuid();
loadFormat.ProductID = viewModel.ProductID;
_context.Add(loadFormat);
await _context.SaveChangesAsync();
// Populate Format Types
var loadFormatId = loadFormat.ID;
PopulateFormatTypes(loadFormatId);
return(RedirectToAction("Index", new { productId = viewModel.ProductID }));
}
var list = (from value in values
select new SelectListItem()
{
Value = ((int)value).ToString(),
Text = value.ToString()
}).ToList();
viewModel.FileTypeList = new SelectList(list, "Value", "Text");
return(View(viewModel));
}
public static void Run()
{
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_PresentationOpening();
LoadFormat format = PresentationFactory.Instance.GetPresentationInfo(dataDir + "HelloWorld.pptx").LoadFormat;
// It will return "LoadFormat.Unknown" if the file is other than presentation formats
}
public void DetectFileFormat_SaveFormatToLoadFormat()
{
//ExStart
//ExFor:FileFormatUtil.SaveFormatToLoadFormat(SaveFormat)
//ExSummary:Shows how to use the FileFormatUtil class and to convert a SaveFormat enumeration into the corresponding LoadFormat enumeration.
// Define the SaveFormat enumeration to convert.
SaveFormat saveFormat = SaveFormat.Html;
// Convert the SaveFormat enumeration to LoadFormat enumeration.
LoadFormat loadFormat = FileFormatUtil.SaveFormatToLoadFormat(saveFormat);
Console.WriteLine("The converted LoadFormat is: " + FileFormatUtil.LoadFormatToExtension(loadFormat));
//ExEnd
Assert.AreEqual(".html", FileFormatUtil.SaveFormatToExtension(saveFormat));
Assert.AreEqual(".html", FileFormatUtil.LoadFormatToExtension(loadFormat));
}
public static byte[] ConvertToPdf(
byte[] file,
LoadFormat loadFormat = LoadFormat.Auto,
SaveFormat saveFormat = SaveFormat.Pdf
)
{
try {
var stream = new MemoryStream(file);
var doc = new Document(stream, null, loadFormat, null);
using (var streamForDoc = new MemoryStream()) {
doc.Save(streamForDoc, saveFormat);
return(streamForDoc.ToArray());
}
} catch (Exception) {
return(null);
}
}
public void DetectFileFormat_EnumConversions()
{
//ExStart
//ExFor:FileFormatUtil.DetectFileFormat(Stream)
//ExFor:FileFormatUtil.LoadFormatToExtension(LoadFormat)
//ExFor:FileFormatUtil.ExtensionToSaveFormat(String)
//ExFor:FileFormatUtil.SaveFormatToExtension(SaveFormat)
//ExFor:FileFormatUtil.LoadFormatToSaveFormat(LoadFormat)
//ExFor:Document.OriginalFileName
//ExFor:FileFormatInfo.LoadFormat
//ExSummary:Shows how to use the FileFormatUtil methods to detect the format of a document without any extension and save it with the correct file extension.
// Load the document without a file extension into a stream and use the DetectFileFormat method to detect it's format.
// These are both times where you might need extract the file format as it's not visible
FileStream
docStream = File.OpenRead(
MyDir + "Document.FileWithoutExtension"); // The file format of this document is actually ".doc"
FileFormatInfo info = FileFormatUtil.DetectFileFormat(docStream);
// Retrieve the LoadFormat of the document.
LoadFormat loadFormat = info.LoadFormat;
// Let's show the different methods of converting LoadFormat enumerations to SaveFormat enumerations.
//
// Method #1
// Convert the LoadFormat to a String first for working with. The String will include the leading dot in front of the extension.
String fileExtension = FileFormatUtil.LoadFormatToExtension(loadFormat);
// Now convert this extension into the corresponding SaveFormat enumeration
SaveFormat saveFormat = FileFormatUtil.ExtensionToSaveFormat(fileExtension);
// Method #2
// Convert the LoadFormat enumeration directly to the SaveFormat enumeration.
saveFormat = FileFormatUtil.LoadFormatToSaveFormat(loadFormat);
// Load a document from the stream.
Document doc = new Document(docStream);
// Save the document with the original file name, " Out" and the document's file extension.
doc.Save(
ArtifactsDir + "Document.WithFileExtension" + FileFormatUtil.SaveFormatToExtension(saveFormat));
//ExEnd
Assert.AreEqual(".doc", FileFormatUtil.SaveFormatToExtension(saveFormat));
}
public static void Main()
{
// Initialize Text File's LoadFormat
LoadFormat oLoadFormat = LoadFormat.CSV;
// Initialize Text File's Load options
TxtLoadOptions oTxtLoadOptions = new TxtLoadOptions(oLoadFormat);
// Specify the separatot character
oTxtLoadOptions.Separator = Convert.ToChar(",");
// Specify the encoding scheme
oTxtLoadOptions.Encoding = System.Text.Encoding.UTF8;
// Set the flag to true for converting datetime data
oTxtLoadOptions.ConvertDateTimeData = true;
// Set the preferred parsers
oTxtLoadOptions.PreferredParsers = new ICustomParser[] { new TextParser(), new DateParser() };
// Initialize the workbook object by passing CSV file and text load options
Workbook oExcelWorkBook = new Aspose.Cells.Workbook(sourceDir + "samplePreferredParser.csv", oTxtLoadOptions);
// Get the first cell
Cell oCell = oExcelWorkBook.Worksheets[0].Cells["A1"];
// Display type of value
Console.WriteLine("A1: " + oCell.Type.ToString() + " - " + oCell.DisplayStringValue);
// Get the second cell
oCell = oExcelWorkBook.Worksheets[0].Cells["B1"];
// Display type of value
Console.WriteLine("B1: " + oCell.Type.ToString() + " - " + oCell.DisplayStringValue);
// Save the workbook to disc
oExcelWorkBook.Save(outputDir + "outputsamplePreferredParser.xlsx");
Console.WriteLine("OpeningCSVFilesWithPreferredParser executed successfully.\r\n");
}
public void SaveToDetectedFileFormat()
{
//ExStart
//ExFor:FileFormatUtil.DetectFileFormat(Stream)
//ExFor:FileFormatUtil.LoadFormatToExtension(LoadFormat)
//ExFor:FileFormatUtil.ExtensionToSaveFormat(String)
//ExFor:FileFormatUtil.SaveFormatToExtension(SaveFormat)
//ExFor:FileFormatUtil.LoadFormatToSaveFormat(LoadFormat)
//ExFor:Document.OriginalFileName
//ExFor:FileFormatInfo.LoadFormat
//ExFor:LoadFormat
//ExSummary:Shows how to use the FileFormatUtil methods to detect the format of a document.
// Load a document from a file that is missing a file extension, and then detect its file format.
using (FileStream docStream = File.OpenRead(MyDir + "Word document with missing file extension"))
{
FileFormatInfo info = FileFormatUtil.DetectFileFormat(docStream);
LoadFormat loadFormat = info.LoadFormat;
Assert.AreEqual(LoadFormat.Doc, loadFormat);
// Below are two methods of converting a LoadFormat to its corresponding SaveFormat.
// 1 - Get the file extension string for the LoadFormat, then get the corresponding SaveFormat from that string:
string fileExtension = FileFormatUtil.LoadFormatToExtension(loadFormat);
SaveFormat saveFormat = FileFormatUtil.ExtensionToSaveFormat(fileExtension);
// 2 - Convert the LoadFormat directly to its SaveFormat:
saveFormat = FileFormatUtil.LoadFormatToSaveFormat(loadFormat);
// Load a document from the stream, and then save it to the automatically detected file extension.
Document doc = new Document(docStream);
Assert.AreEqual(".doc", FileFormatUtil.SaveFormatToExtension(saveFormat));
doc.Save(ArtifactsDir + "File.SaveToDetectedFileFormat" + FileFormatUtil.SaveFormatToExtension(saveFormat));
}
//ExEnd
}
public async Task <IActionResult> Edit(LoadFormatViewModel viewModel)
{
FileTypes[] values = (FileTypes[])Enum.GetValues(typeof(FileTypes));
var list = (from value in values
select new SelectListItem()
{
Value = ((int)value).ToString(),
Text = value.ToString()
}).ToList();
if (ModelState.IsValid)
{
LoadFormat loadFormat = new LoadFormat();
loadFormat = viewModel.LoadFormat;
try
{
_context.Update(loadFormat);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!LoadFormatExists(loadFormat.ID))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction("Index", new { productId = loadFormat.ProductID }));
}
viewModel.FileTypeList = new SelectList(list, "Value", "Text", viewModel.LoadFormat.UploadFileType);
return(View(viewModel));
}
public virtual void Open(Stream stream, LoadFormat format)
{
//Load binary
if (format == LoadFormat.Binary)
{
BinaryFormatter formatter = new BinaryFormatter();
LoadDiagram(stream,formatter);
}
//Load xml
else if (format == LoadFormat.Xml)
{
SoapFormatter formatter = new SoapFormatter();
LoadDiagram(stream,formatter);
}
}
public virtual void Open(string path, LoadFormat format)
{
Stream stream = new FileStream(path, FileMode.Open);
//Load binary
if (format == LoadFormat.Binary)
{
BinaryFormatter formatter = new BinaryFormatter();
LoadDiagram(stream, formatter);
}
//Load xml
else if (format == LoadFormat.Xml)
{
SoapFormatter formatter = new SoapFormatter();
LoadDiagram(stream, formatter);
}
stream.Close();
}
WorkbookDesigner GetWorkbookDesigner(string fileName, LoadFormat format)
{
using (var designerFileStream = GetLocalizedTemplate(fileName))
if (designerFileStream != null)
return new WorkbookDesigner
{
Workbook = new Workbook(designerFileStream, new LoadOptions(format))
};
return null;
}