/// <summary>
/// Adds a new paragraph in collection.
/// </summary>
/// <returns>Added <see cref="SCParagraph" /> instance.</returns>
public IParagraph Add()
{
// Create a new paragraph from the last paragraph and insert at the end
A.Paragraph lastAParagraph = this.paragraphs.Value.Last().AParagraph;
A.Paragraph newAParagraph = (A.Paragraph)lastAParagraph.CloneNode(true);
lastAParagraph.InsertAfterSelf(newAParagraph);
var newParagraph = new SCParagraph(newAParagraph, this.textBox)
{
Text = string.Empty
};
this.paragraphs.Reset();
return(newParagraph);
}
private static void ModifyPowerPointCellTextContent(OpenXmlElement cell, string txt)
{
OXD.TextBody textbody = cell?.Descendants <OXD.TextBody>().FirstOrDefault();
if (textbody == null)
{
return;
}
OXD.TextBody final_textbody = textbody.CloneNode(true) as OXD.TextBody;
OXD.Paragraph paragraph = final_textbody?.Descendants <OXD.Paragraph>().FirstOrDefault();
if (null != paragraph)
{
OXD.Paragraph final_paragraph = paragraph.CloneNode(true) as OXD.Paragraph;
ModifyPowerPointParagraphTextContent(final_paragraph, txt);
final_textbody.ReplaceChild(final_paragraph, paragraph);
}
cell.ReplaceChild(final_textbody, textbody);
}
// Moves a paragraph range in a TextBody shape in the source document
// to another TextBody shape in the target document.
public static void MoveParagraphToPresentation(string sourceFile, string targetFile)
{
// Open the source file as read/write.
using (PresentationDocument sourceDoc = PresentationDocument.Open(sourceFile, true))
{
// Open the target file as read/write.
using (PresentationDocument targetDoc = PresentationDocument.Open(targetFile, true))
{
// Get the first slide in the source presentation.
SlidePart slide1 = GetFirstSlide(sourceDoc);
// Get the first TextBody shape in it.
TextBody textBody1 = slide1.Slide.Descendants <TextBody>().First();
// Get the first paragraph in the TextBody shape.
// Note: "Drawing" is the alias of namespace DocumentFormat.OpenXml.Drawing
Drawing.Paragraph p1 = textBody1.Elements <Drawing.Paragraph>().First();
// Get the first slide in the target presentation.
SlidePart slide2 = GetFirstSlide(targetDoc);
// Get the first TextBody shape in it.
TextBody textBody2 = slide2.Slide.Descendants <TextBody>().First();
// Clone the source paragraph and insert the cloned. paragraph into the target TextBody shape.
// Passing "true" creates a deep clone, which creates a copy of the
// Paragraph object and everything directly or indirectly referenced by that object.
textBody2.Append(p1.CloneNode(true));
// Remove the source paragraph from the source file.
textBody1.RemoveChild <Drawing.Paragraph>(p1);
// Replace the removed paragraph with a placeholder.
textBody1.AppendChild <Drawing.Paragraph>(new Drawing.Paragraph());
// Save the slide in the source file.
slide1.Slide.Save();
// Save the slide in the target file.
slide2.Slide.Save();
}
}
}
private static void ModifyPowerPointCellTextContent(OXD.TableCell cell, string txt)
{
if (null != cell)
{
OXD.TextBody textbody = cell.Descendants <OXD.TextBody>().FirstOrDefault();
if (null != textbody)
{
OXD.TextBody final_textbody = textbody.CloneNode(true) as OXD.TextBody;
OXD.Paragraph paragraph = final_textbody.Descendants <OXD.Paragraph>().FirstOrDefault();
if (null != paragraph)
{
OXD.Paragraph final_paragraph = paragraph.CloneNode(true) as OXD.Paragraph;
ModifyPowerPointParagraphTextContent(final_paragraph, txt);
final_textbody.ReplaceChild <OXD.Paragraph>(final_paragraph, paragraph);
}
cell.ReplaceChild <OXD.TextBody>(final_textbody, textbody);
}
}
}
