private void ChooseBackground(ISongElement element)
{
SongBackground bg = null;
if (element is SongSlide)
bg = (element as SongSlide).Background;
else if (element is SongPart)
bg = (element as SongPart).Slides[0].Background;
else if (element is Song)
bg = element.Root.FirstSlide != null ? element.Root.FirstSlide.Background : element.Root.Backgrounds[0];
else
throw new ArgumentException("element must be either Song, SongPart or SongSlide.");
var win = new ChooseBackgroundWindow(bg, element is Song);
win.Owner = this.FindVisualParent<Window>();
win.ShowDialog();
if (win.DialogResult.HasValue && win.DialogResult.Value)
{
if (element is Song || win.ApplyToAllSlides)
{
var song = element.Root;
song.SetBackground(win.ChosenBackground);
// this needs to be called manually, because the preview can not listen to background changes
// when the root node is selected
this.PreviewControl.Update();
}
else if (element is SongPart)
{
var part = element as SongPart;
// only set background if it is different
var bgs = part.Slides.Select(s => s.Background).Distinct();
if (bgs.Count() != 1 || !bgs.First().Equals(win.ChosenBackground))
{
if (win.ChosenBackground.Type == SongBackgroundType.Video)
{
var res = MessageBox.Show(Resource.eMsgVideoBackgroundForElement, Resource.eMsgVideoBackgroundForElementTitle, MessageBoxButton.YesNo);
if (res == MessageBoxResult.Yes)
part.Root.SetBackground(win.ChosenBackground);
}
else if (part.Root.VideoBackground != null)
{
var res = MessageBox.Show(Resource.eMsgReplaceVideoBackground, Resource.eMsgReplaceVideoBackgroundTitle, MessageBoxButton.YesNo);
if (res == MessageBoxResult.Yes)
part.Root.SetBackground(win.ChosenBackground);
}
else
{
part.SetBackground(win.ChosenBackground);
}
}
}
else if (element is SongSlide)
{
var slide = element as SongSlide;
if (!slide.Background.Equals(win.ChosenBackground))
{
if (win.ChosenBackground.Type == SongBackgroundType.Video)
{
var res = MessageBox.Show(Resource.eMsgVideoBackgroundForElement, Resource.eMsgVideoBackgroundForElementTitle, MessageBoxButton.YesNo);
if (res == MessageBoxResult.Yes)
slide.Root.SetBackground(win.ChosenBackground);
}
else if (slide.Root.VideoBackground != null)
{
var res = MessageBox.Show(Resource.eMsgReplaceVideoBackground, Resource.eMsgReplaceVideoBackgroundTitle, MessageBoxButton.YesNo);
if (res == MessageBoxResult.Yes)
slide.Root.SetBackground(win.ChosenBackground);
}
else
{
slide.SetBackground(win.ChosenBackground);
}
}
}
}
}
private void ChooseBackground(ISongElement element)
{
SongBackground bg = null;
if (element is SongSlide)
{
bg = (element as SongSlide).Background;
}
else if (element is SongPart)
{
bg = (element as SongPart).Slides[0].Background;
}
else if (element is Song)
{
bg = element.Root.FirstSlide != null ? element.Root.FirstSlide.Background : element.Root.Backgrounds[0];
}
else
{
throw new ArgumentException("element must be either Song, SongPart or SongSlide.");
}
var win = new ChooseBackgroundWindow(bg, element is Song);
win.Owner = this.FindVisualParent <Window>();
win.ShowDialog();
if (win.DialogResult.HasValue && win.DialogResult.Value)
{
if (element is Song || win.ApplyToAllSlides)
{
var song = element.Root;
song.SetBackground(win.ChosenBackground);
// this needs to be called manually, because the preview can not listen to background changes
// when the root node is selected
this.PreviewControl.Update();
}
else if (element is SongPart)
{
var part = element as SongPart;
// only set background if it is different
var bgs = part.Slides.Select(s => s.Background).Distinct();
if (bgs.Count() != 1 || !bgs.First().Equals(win.ChosenBackground))
{
if (win.ChosenBackground.Type == SongBackgroundType.Video)
{
var res = MessageBox.Show(Resource.eMsgVideoBackgroundForElement, Resource.eMsgVideoBackgroundForElementTitle, MessageBoxButton.YesNo);
if (res == MessageBoxResult.Yes)
{
part.Root.SetBackground(win.ChosenBackground);
}
}
else if (part.Root.VideoBackground != null)
{
var res = MessageBox.Show(Resource.eMsgReplaceVideoBackground, Resource.eMsgReplaceVideoBackgroundTitle, MessageBoxButton.YesNo);
if (res == MessageBoxResult.Yes)
{
part.Root.SetBackground(win.ChosenBackground);
}
}
else
{
part.SetBackground(win.ChosenBackground);
}
}
}
else if (element is SongSlide)
{
var slide = element as SongSlide;
if (!slide.Background.Equals(win.ChosenBackground))
{
if (win.ChosenBackground.Type == SongBackgroundType.Video)
{
var res = MessageBox.Show(Resource.eMsgVideoBackgroundForElement, Resource.eMsgVideoBackgroundForElementTitle, MessageBoxButton.YesNo);
if (res == MessageBoxResult.Yes)
{
slide.Root.SetBackground(win.ChosenBackground);
}
}
else if (slide.Root.VideoBackground != null)
{
var res = MessageBox.Show(Resource.eMsgReplaceVideoBackground, Resource.eMsgReplaceVideoBackgroundTitle, MessageBoxButton.YesNo);
if (res == MessageBoxResult.Yes)
{
slide.Root.SetBackground(win.ChosenBackground);
}
}
else
{
slide.SetBackground(win.ChosenBackground);
}
}
}
}
}