public static void ReplaceSelectedAudio()
{
Microsoft.Office.Interop.PowerPoint.ShapeRange selectedShape = Globals.ThisAddIn.Application.ActiveWindow.Selection.ShapeRange;
if (selectedShape.Count != 1 || selectedShape.MediaType != PpMediaType.ppMediaTypeSound)
{
return;
}
OpenFileDialog audioPicker = new OpenFileDialog
{
Filter = "Audio files (*.wav, *.mp3, *.wma)|*.wav;*.mp3;*.wma"
};
DialogResult result = audioPicker.ShowDialog();
if (result == DialogResult.OK)
{
string selectedFile = audioPicker.FileName;
PowerPointSlide currentSlide = PowerPointCurrentPresentationInfo.CurrentSlide;
Shape newAudio = AudioService.InsertAudioFileOnSlide(currentSlide, selectedFile);
currentSlide.TransferAnimation(selectedShape[1], newAudio);
selectedShape.SafeDelete();
}
}
/// <summary>
/// This function will embed the auto generated speech to the current slide.
/// File names of generated audios will be returned.
/// </summary>
/// <param name="slide">Current slide reference.</param>
/// <returns>An array of auto generated audios' name.</returns>
private static string[] EmbedSlideNotes(PowerPointSlide slide)
{
string folderPath = Path.GetTempPath() + AudioService.TempFolderName;
string fileNameSearchPattern = string.Format("Slide {0} Speech", slide.ID);
Directory.CreateDirectory(folderPath);
// TODO:
// obviously deleting all audios in current slide may not a good idea, some lines of script
// may still be the same. Check the line first before deleting, if the line has not been
// changed, leave the audio.
// to avoid duplicate records, delete all old audios in the current slide
string[] audiosInCurrentSlide = Directory.GetFiles(folderPath);
foreach (string audio in audiosInCurrentSlide)
{
if (audio.Contains(fileNameSearchPattern))
{
try
{
File.Delete(audio);
}
catch (Exception e)
{
Logger.LogException(e, "Failed to delete audio, it may be still playing. " + e.Message);
}
}
}
bool isSaveSuccessful = OutputSlideNotesToFiles(slide, folderPath);
string[] audioFiles = null;
if (isSaveSuccessful)
{
slide.DeleteShapesWithPrefix(SpeechShapePrefix);
audioFiles = GetAudioFilePaths(folderPath, fileNameSearchPattern);
for (int i = 0; i < audioFiles.Length; i++)
{
string fileName = audioFiles[i];
bool isOnClick = fileName.Contains("OnClick");
try
{
Shape audioShape = AudioService.InsertAudioFileOnSlide(slide, fileName);
audioShape.Name = string.Format("PowerPointLabs Speech {0}", i);
slide.RemoveAnimationsForShape(audioShape);
if (isOnClick)
{
slide.SetShapeAsClickTriggered(audioShape, i, MsoAnimEffect.msoAnimEffectMediaPlay);
}
else
{
slide.SetAudioAsAutoplay(audioShape);
}
}
catch (COMException)
{
// Adding the file failed for one reason or another - probably cancelled by the user.
}
}
}
return(audioFiles);
}