/// <summary>
/// Replaces a text (tag) by another inside the slide.
/// </summary>
/// <param name="tag">The tag to replace by newText, if null or empty do nothing; tag is a regex string.</param>
/// <param name="newText">The new text to replace the tag with, if null replaced by empty string.</param>
/// <param name="replacementType">The type of replacement to perform.</param>
public void ReplaceTag(string tag, string newText, ReplacementType replacementType)
{
foreach (A.Paragraph p in this.slidePart.Slide.Descendants <A.Paragraph>())
{
switch (replacementType)
{
case ReplacementType.Global:
PowerpointParagraph.ReplaceTag(p, tag, newText);
break;
case ReplacementType.NoTable:
var tables = p.Ancestors <A.Table>();
if (!tables.Any())
{
// If the paragraph has no table ancestor
PowerpointParagraph.ReplaceTag(p, tag, newText);
}
break;
}
}
this.Save();
}
/// <summary>
/// Replaces a tag inside a given table cell (a:tc).
/// </summary>
/// <param name="slide">The PowerpointSlide.</param>
/// <param name="tc">The table cell (a:tc).</param>
/// <param name="cell">Contains the tag, the new text and a picture.</param>
/// <returns><c>true</c> if a tag has been found and replaced, <c>false</c> otherwise.</returns>
private static bool ReplaceTag(PowerpointSlide slide, A.TableCell tc, Cell cell)
{
bool replacedAtLeastOnce = false;
// a:p
foreach (A.Paragraph p in tc.Descendants <A.Paragraph>())
{
bool replaced = PowerpointParagraph.ReplaceTag(p, cell.Tag, cell.NewText);
if (replaced)
{
replacedAtLeastOnce = true;
// a:tcPr
if (cell.Picture != null)
{
A.TableCellProperties tcPr = tc.GetFirstChild <A.TableCellProperties>();
SetTableCellPropertiesWithBackgroundPicture(slide, tcPr, cell.Picture);
}
}
}
return(replacedAtLeastOnce);
}
/// <summary>
/// Gets all the notes associated with the slide.
/// </summary>
/// <returns>All the notes.</returns>
/// <remarks>
/// <see href="http://msdn.microsoft.com/en-us/library/office/gg278319.aspx">Working with Notes Slides</see>
/// </remarks>
public IEnumerable <string> GetNotes()
{
var notes = new List <string>();
if (this.slidePart.NotesSlidePart != null)
{
notes.AddRange(this.slidePart.NotesSlidePart.NotesSlide.Descendants <A.Paragraph>().Select(p => PowerpointParagraph.GetTexts(p)));
}
return(notes);
}
/// <summary>
/// Gets the slide title if any.
/// </summary>
/// <returns>The title or an empty string.</returns>
public string GetTitle()
{
string title = string.Empty;
// Find the title if any
Shape titleShape = this.slidePart.Slide.Descendants <Shape>().FirstOrDefault(sp => IsShapeATitle(sp));
if (titleShape != null)
{
title = string.Join(" ", titleShape.Descendants <A.Paragraph>().Select(p => PowerpointParagraph.GetTexts(p)));
}
return(title);
}
/// <summary>
/// Gets all the texts found inside the slide.
/// </summary>
/// <returns>The list of texts detected into the slide.</returns>
/// <remarks>
/// Some strings inside the array can be empty, this happens when all A.Text from a paragraph are empty
/// <see href="http://msdn.microsoft.com/en-us/library/office/cc850836">How to: Get All the Text in a Slide in a Presentation</see>
/// </remarks>
public IEnumerable <string> GetTexts()
{
return(this.slidePart.Slide.Descendants <A.Paragraph>().Select(p => PowerpointParagraph.GetTexts(p)));
}