public Photos(FileReferenceList fileReferenceList)
{
IsAdding = false;
Model = fileReferenceList;
_choosePhotoCommand = new Command(ChoosePhoto);
_deletePhotoCommand = new Command(async obj =>
{
var photoVM = (PhotoViewModel)obj;
PhotoViewModels.Remove(photoVM);
var fileRef = photoVM.FileReference;
Model.Remove(fileRef);
var documentsPath = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
var fullPath = Path.Combine(documentsPath, fileRef.FileName);
if (File.Exists(fullPath))
{
await Task.Run(() => File.Delete(fullPath));
}
});
Model.AddedNew += async(o, e) =>
{
if (IsAdding)
{
return;
}
IsAdding = true;
var newItem = e.NewObject;
var destinationDirectory = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
var fileName = GenerateUniqueFileNameFor(destinationDirectory);
PrepareToShowModal();
var fullFileName = await DependencyService.Get <IPhotoPicker>().GetCopiedFilePath(destinationDirectory, fileName);
if (fullFileName == null)
{
if (newItem != null)
{
Model.Remove(newItem);
}
return;
}
newItem.FileName = fullFileName;
var photoVM = new PhotoViewModel(newItem);
await photoVM.InitializeAsync();
PhotoViewModels.Add(photoVM);
IsAdding = false;
};
PhotoViewModels = new ObservableCollection <PhotoViewModel>();
}
protected override void OnModelChanged(FileReferenceList oldValue, FileReferenceList newValue)
{
if (oldValue != null)
{
oldValue.AddedNew -= Model_AddedNew;
}
if (newValue != null)
{
newValue.AddedNew += Model_AddedNew;
}
base.OnModelChanged(oldValue, newValue);
}
public Photos(FileReferenceList fileReferenceList)
{
Model = fileReferenceList;
_choosePhotoCommand = new Command(ChoosePhoto);
_deletePhotoCommand = new Command(async obj =>
{
var photoVM = (PhotoViewModel)obj;
PhotoViewModels.Remove(photoVM);
var fileRef = photoVM.FileReference;
Model.Remove(fileRef);
var file = await FileSystem.Current.GetFileFromPathAsync(fileRef.FileName);
await file.DeleteAsync();
});
PhotoViewModels = new ObservableCollection <PhotoViewModel>();
}
public Photos(FileReferenceList fileReferenceList)
{
IsAdding = false;
Model = fileReferenceList;
_choosePhotoCommand = new Command(ChoosePhoto);
_deletePhotoCommand = new Command(obj =>
{
var photoVM = (PhotoViewModel)obj;
PhotoViewModels.Remove(photoVM);
var fileRef = photoVM.FileReference;
Model.Remove(fileRef);
var documentsPath = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
var fullPath = Path.Combine(documentsPath, fileRef.FileName);
if (File.Exists(fullPath))
{
File.Delete(fullPath);
}
});
PhotoViewModels = new ObservableCollection <PhotoViewModel>();
}
internal FileReferenceListWrapper(FileReferenceList source)
{
_innerList = source;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
protected ContentGroup()
{
FileReferences = new FileReferenceList(this);
}
