public ToxySlide Parse(int slideIndex)
{
if (!File.Exists(Context.Path))
{
throw new FileNotFoundException("File " + Context.Path + " is not found");
}
using (PresentationDocument ppt = PresentationDocument.Open(Context.Path, false))
{
// Get the relationship ID of the first slide.
PresentationPart part = ppt.PresentationPart;
DocumentFormat.OpenXml.OpenXmlElementList slideIds = part.Presentation.SlideIdList.ChildElements;
if (slideIds.Count - 1 < slideIndex)
{
throw new ArgumentOutOfRangeException(string.Format("This file only contains {0} slide(s).", slideIds.Count));
}
string relId = (slideIds[slideIndex] as SlideId).RelationshipId;
relId = (slideIds[slideIndex] as SlideId).RelationshipId;
// Get the slide part from the relationship ID.
SlidePart slide = (SlidePart)part.GetPartById(relId);
var tslide = Parse(slide);
return(tslide);
}
}
public ToxySlideshow Parse()
{
if (!File.Exists(Context.Path))
{
throw new FileNotFoundException("File " + Context.Path + " is not found");
}
ToxySlideshow ss = new ToxySlideshow();
using (PresentationDocument ppt = PresentationDocument.Open(Context.Path, false))
{
// Get the relationship ID of the first slide.
PresentationPart part = ppt.PresentationPart;
DocumentFormat.OpenXml.OpenXmlElementList slideIds = part.Presentation.SlideIdList.ChildElements;
for (int index = 0; index < slideIds.Count; index++)
{
string relId = (slideIds[index] as SlideId).RelationshipId;
relId = (slideIds[index] as SlideId).RelationshipId;
// Get the slide part from the relationship ID.
SlidePart slide = (SlidePart)part.GetPartById(relId);
var tslide = Parse(slide);
ss.Slides.Add(tslide);
}
}
return(ss);
}
public static void GetSlideIdAndText(out string sldText, string docName, int index)
{
using (DocumentFormat.OpenXml.Packaging.PresentationDocument ppt = DocumentFormat.OpenXml.Packaging.PresentationDocument.Open(docName, false))
{
// Get the relationship ID of the first slide.
DocumentFormat.OpenXml.Packaging.PresentationPart part = ppt.PresentationPart;
DocumentFormat.OpenXml.OpenXmlElementList slideIds = part.Presentation.SlideIdList.ChildElements;
string relId = (slideIds[index] as DocumentFormat.OpenXml.Presentation.SlideId).RelationshipId;
// Get the slide part from the relationship ID.
DocumentFormat.OpenXml.Packaging.SlidePart slide = (DocumentFormat.OpenXml.Packaging.SlidePart)part.GetPartById(relId);
// Build a StringBuilder object.
System.Text.StringBuilder paragraphText = new System.Text.StringBuilder();
// Get the inner text of the slide:
System.Collections.Generic.IEnumerable <DocumentFormat.OpenXml.Drawing.Text> texts = slide.Slide.Descendants <DocumentFormat.OpenXml.Drawing.Text>();
foreach (DocumentFormat.OpenXml.Drawing.Text text in texts)
{
paragraphText.Append(text.Text);
}
sldText = paragraphText.ToString();
}
}
public static string[] GetAllTextInSlide(DocumentFormat.OpenXml.Packaging.PresentationDocument presentationDocument, int slideIndex)
{
// Verify that the presentation document exists.
if (presentationDocument == null)
{
throw new System.ArgumentNullException("presentationDocument");
}
// Verify that the slide index is not out of range.
if (slideIndex < 0)
{
throw new System.ArgumentOutOfRangeException("slideIndex");
}
// Get the presentation part of the presentation document.
DocumentFormat.OpenXml.Packaging.PresentationPart presentationPart = presentationDocument.PresentationPart;
// Verify that the presentation part and presentation exist.
if (presentationPart != null && presentationPart.Presentation != null)
{
// Get the Presentation object from the presentation part.
DocumentFormat.OpenXml.Presentation.Presentation presentation = presentationPart.Presentation;
// Verify that the slide ID list exists.
if (presentation.SlideIdList != null)
{
// Get the collection of slide IDs from the slide ID list.
DocumentFormat.OpenXml.OpenXmlElementList slideIds =
presentation.SlideIdList.ChildElements;
// If the slide ID is in range...
if (slideIndex < slideIds.Count)
{
// Get the relationship ID of the slide.
string slidePartRelationshipId = (slideIds[slideIndex] as DocumentFormat.OpenXml.Presentation.SlideId).RelationshipId;
// Get the specified slide part from the relationship ID.
DocumentFormat.OpenXml.Packaging.SlidePart slidePart =
(DocumentFormat.OpenXml.Packaging.SlidePart)presentationPart.GetPartById(slidePartRelationshipId);
// Pass the slide part to the next method, and
// then return the array of strings that method
// returns to the previous method.
return(GetAllTextInSlide(slidePart));
}
}
}
// Else, return null.
return(null);
}
public SlideLayoutPart GetSlideLayoutPart(int _slideLayoutIndex, SlideMasterPart slideMasterPart)
{
if (slideMasterPart != null && slideMasterPart.SlideMaster != null)
{
SlideMaster slideMaster = slideMasterPart.SlideMaster;
if (slideMaster.SlideLayoutIdList != null)
{
DocumentFormat.OpenXml.OpenXmlElementList slideIds = slideMaster.SlideLayoutIdList.ChildElements;
// If the slide ID is in range...
if (_slideLayoutIndex < slideIds.Count)
{
// Get the relationship ID of the slide.
string slidePartRelationshipId = (slideIds[_slideLayoutIndex] as SlideLayoutId).RelationshipId;
return((SlideLayoutPart)slideMasterPart.GetPartById(slidePartRelationshipId));
// Get the specified slide part from the relationship ID.
}
}
}
return(null);
}
/// <summary>
/// Hàm lấy SlidePart
/// </summary>
/// <param name="_slideIndex"></param>
/// <returns></returns>
public SlidePart GetSlidePart(int _slideIndex)
{
if (Utils.presentationPart != null && Utils.presentationPart.Presentation != null)
{
Presentation presentation = Utils.presentationPart.Presentation;
if (presentation.SlideIdList != null)
{
DocumentFormat.OpenXml.OpenXmlElementList slideIds = presentation.SlideIdList.ChildElements;
// If the slide ID is in range...
if (_slideIndex < slideIds.Count)
{
// Get the relationship ID of the slide.
string slidePartRelationshipId = (slideIds[_slideIndex] as SlideId).RelationshipId;
// Get the specified slide part from the relationship ID.
return((SlidePart)Utils.presentationPart.GetPartById(slidePartRelationshipId));
}
}
}
return(null);
}
