private static IEditOptions GetEditOptions(string guid)
{
string extension = Path.GetExtension(guid).Replace(".", "").ToLowerInvariant();
IEditOptions options = null;
if (extension.ToLowerInvariant().Equals("txt"))
{
options = new TextEditOptions();
}
else
{
foreach (var item in typeof(WordProcessingFormats).GetFields())
{
if (item.Name.ToLowerInvariant().Equals("auto"))
{
continue;
}
if (item.Name.ToLowerInvariant().Equals(extension))
{
options = new WordProcessingEditOptions();
break;
}
}
foreach (var item in typeof(PresentationFormats).GetFields())
{
if (item.Name.ToLowerInvariant().Equals("auto"))
{
continue;
}
if (item.Name.ToLowerInvariant().Equals(extension))
{
options = new PresentationEditOptions();
break;
}
}
if (options == null)
{
options = new SpreadsheetEditOptions();
}
}
return(options);
}
private LoadDocumentEntity LoadDocument(string guid, string password)
{
LoadDocumentEntity loadDocumentEntity = new LoadDocumentEntity();
loadDocumentEntity.SetGuid(guid);
ILoadOptions loadOptions = GetLoadOptions(guid);
if (loadOptions != null)
{
loadOptions.Password = password;
}
// Instantiate Editor object by loading the input file
using (GroupDocs.Editor.Editor editor = new GroupDocs.Editor.Editor(guid, delegate { return(loadOptions); }))
{
IDocumentInfo documentInfo = editor.GetDocumentInfo(password);
dynamic editOptions = GetEditOptions(guid);
if (editOptions is WordProcessingEditOptions)
{
editOptions.EnablePagination = true;
// Open input document for edit — obtain an intermediate document, that can be edited
EditableDocument beforeEdit = editor.Edit(editOptions);
string allEmbeddedInsideString = beforeEdit.GetEmbeddedHtml();
PageDescriptionEntity page = new PageDescriptionEntity();
page.SetData(allEmbeddedInsideString);
loadDocumentEntity.SetPages(page);
beforeEdit.Dispose();
}
else if (editOptions is SpreadsheetEditOptions)
{
for (var i = 0; i < documentInfo.PageCount; i++)
{
// Let's create an intermediate EditableDocument from the i tab
SpreadsheetEditOptions sheetEditOptions = new SpreadsheetEditOptions();
sheetEditOptions.WorksheetIndex = i; // index is 0-based
EditableDocument tabBeforeEdit = editor.Edit(sheetEditOptions);
// Get document as a single base64-encoded string, where all resources (images, fonts, etc)
// are embedded inside this string along with main textual content
string allEmbeddedInsideString = tabBeforeEdit.GetEmbeddedHtml();
PageDescriptionEntity page = new PageDescriptionEntity();
page.SetData(allEmbeddedInsideString);
page.number = i + 1;
loadDocumentEntity.SetPages(page);
tabBeforeEdit.Dispose();
}
}
else if (editOptions is PresentationEditOptions)
{
for (var i = 0; i < documentInfo.PageCount; i++)
{
// Create editing options
PresentationEditOptions presentationEditOptions = new PresentationEditOptions();
// Specify slide index from original document.
editOptions.SlideNumber = i; // Because index is 0-based, it is 1st slide
EditableDocument slideBeforeEdit = editor.Edit(presentationEditOptions);
// Get document as a single base64-encoded string, where all resources (images, fonts, etc)
// are embedded inside this string along with main textual content
string allEmbeddedInsideString = slideBeforeEdit.GetEmbeddedHtml();
PageDescriptionEntity page = new PageDescriptionEntity();
page.SetData(allEmbeddedInsideString);
page.number = i + 1;
loadDocumentEntity.SetPages(page);
slideBeforeEdit.Dispose();
}
}
}
return(loadDocumentEntity);
}
