public void Generate(SlideshowSettings settings, List <Student> students, PowerPointProgressBar progress, PowerPointGenerationCompleted callback)
{
string powerPointfile = "";
if (settings.templateFilename != null && settings.templateFilename.Length > 0)
{
//If they are using the blank powerpoint use the resource one
if (settings.templateFilename.ToLower() == "_blank.potx")
{
powerPointfile = $@"{AppDomain.CurrentDomain.BaseDirectory}\{BLANK_POWERPOINT}";
}
else
{
powerPointfile = settings.templateFilename;
}
//Create the powerpoint
CreatePowerPoint(powerPointfile, settings, students, progress);
callback(true);
}
else
{
callback(false);
}
}
static void AddPhotoSlide(SlideshowSettings settings, Presentation presentation, Student student)
{
Slide currentSlide = presentation.Slides.Add(presentation.Slides.Count + 1, PpSlideLayout.ppLayoutText);
currentSlide.Shapes.Title.TextFrame.TextRange.Text = student.Firstname + " " + student.Surname;
//Dual pictures time
if (student.Photos.Count > 1 && settings.dualPictureSlides)
{
Microsoft.Office.Interop.PowerPoint.Shape shp = currentSlide.Shapes.AddPicture(student.Photos[0], MsoTriState.msoFalse, MsoTriState.msoTrue, 50, 150);
shp.LockAspectRatio = MsoTriState.msoTrue;
shp.Width = 260f;
currentSlide.TimeLine.MainSequence.AddEffect(shp, MsoAnimEffect.msoAnimEffectFade, MsoAnimateByLevel.msoAnimateLevelNone, MsoAnimTriggerType.msoAnimTriggerWithPrevious);
Microsoft.Office.Interop.PowerPoint.Shape shp2 = currentSlide.Shapes.AddPicture(student.Photos[student.Photos.Count - 1], MsoTriState.msoFalse, MsoTriState.msoTrue, 360, 150);
shp2.LockAspectRatio = MsoTriState.msoTrue;
shp2.Width = 260f;
currentSlide.TimeLine.MainSequence.AddEffect(shp2, MsoAnimEffect.msoAnimEffectFade, MsoAnimateByLevel.msoAnimateLevelNone, MsoAnimTriggerType.msoAnimTriggerAfterPrevious);
}
else if (student.Photos.Count == 1 || !settings.dualPictureSlides)
{
Microsoft.Office.Interop.PowerPoint.Shape shp = currentSlide.Shapes.AddPicture(student.Photos[student.Photos.Count - 1], MsoTriState.msoFalse, MsoTriState.msoTrue, 0, 0);
shp.LockAspectRatio = MsoTriState.msoTrue;
shp.Width = 250;
shp.Top = 140;
shp.Left = 215;
//Add the animation to the object
currentSlide.TimeLine.MainSequence.AddEffect(shp, MsoAnimEffect.msoAnimEffectFade, MsoAnimateByLevel.msoAnimateLevelNone, MsoAnimTriggerType.msoAnimTriggerWithPrevious);
}
//Determine how they want to progress
if (settings.autoProgress)
{
currentSlide.SlideShowTransition.AdvanceOnTime = MsoTriState.msoTrue;
currentSlide.SlideShowTransition.AdvanceTime = settings.autoProgressTime;
}
else
{
currentSlide.SlideShowTransition.AdvanceOnClick = MsoTriState.msoTrue;
}
currentSlide.SlideShowTransition.EntryEffect = PpEntryEffect.ppEffectFadeSmoothly;
currentSlide.SlideShowTransition.Speed = PpTransitionSpeed.ppTransitionSpeedMedium;
currentSlide.SlideShowTransition.Duration = 1.5f;
}
static void CreatePowerPoint(string template, SlideshowSettings settings, List <Student> students, PowerPointProgressBar progress)
{
progress.Minimum = 0;
progress.Maximum = students.Count;
progress.Value = 0;
Application app;
Presentation presentation;
//Firstly ask where to save
SaveFileDialog dialog = new SaveFileDialog();
dialog.Title = "Save your presentation...";
dialog.Filter = "PowerPoint Presentations|*.pptx";
//Show dialog and hopefully save after all that
if (dialog.ShowDialog().Value == true)
{
//Create the overall slideshow
app = new Application();
presentation = app.Presentations.Open(template, MsoTriState.msoFalse, MsoTriState.msoCTrue, MsoTriState.msoFalse);
//Loop through the students
foreach (Student student in students)
{
//Add slides
AddPhotoSlide(settings, presentation, student);
AddAwardSlide(presentation, student);
//Increase progress values
progress.Value++;
}
//Save time
presentation.SaveAs(dialog.FileName);
//Clean up memory I hope
presentation.Close();
presentation = null;
app = null;
}
}
