private void OpenSelectPresentationFileDialog()
{
OpenSelectFileDialog(DemoType.Presentation, "PPT File(*.ppt;*.pptx;*.avi;*.mp4;*.mkv;*.wav;*.flv;*.asf;)|*.ppt;*.pptx;*.avi;*.mp4;*.mkv;*.wav;*.flv;*.asf;",
(selectedFileFullName) =>
{
LoadPresentationItem();
SetSelectedPresentationItem(PresentationList, (presentation) =>
{
CurrentSelectedPresentation = presentation;
}, (item) => item.Presentation.FileFullPath == selectedFileFullName);
});
}
private void SetSelectedPresentationItem(List <PresentationItemViewModel> sourceList, Action <PresentationItemViewModel> callback, Func <PresentationItemViewModel, bool> where = null)
{
if (sourceList.Any())
{
PresentationItemViewModel presentation = sourceList.First();
if (where != null)
{
presentation = sourceList.First(where);
}
callback.Invoke(presentation);
}
}
public PresentationViewModel(PresentationsRepository presentationsRepository, IEventAggregator eventAggregator)
{
_eventAggregator = eventAggregator;
_presentationsRepository = presentationsRepository ?? throw new ArgumentNullException("presentationsRepository");
OpenSelectPresentationFileWindow = new DelegateCommand(OpenSelectPresentationFileDialog);
OpenSelectWarmVideoFileWindow = new DelegateCommand(OpenSelectWarmVideoFileDialog);
LoadPresentationItem();
LoadWarmVideoItem();
SetSelectedPresentationItem(PresentationList, (presentation) =>
{
CurrentSelectedPresentation = presentation;
});
SetSelectedPresentationItem(WarmVideoList, (presentation) =>
{
CurrentSelectedWarmVideo = presentation;
});
}
