public override void OnSwiped(AndroidX.RecyclerView.Widget.RecyclerView.ViewHolder viewHolder, int direction)
{
//Store the position swiped.
int position = viewHolder.LayoutPosition;
//Store the deleted item in case of restoration.
HistoryViewModel itemDeleted = null;
if (direction == ItemTouchHelper.Left || direction == ItemTouchHelper.Right)
{
//The item was swiped.
//Remove from list.
itemDeleted = historyViewModels[position];
historyViewModels.RemoveAt(position);
recyclerView.GetAdapter().NotifyItemRemoved(position);
//Should delete
PermissionHelper.ShouldDelete = true;
}
if (itemDeleted != null)
{
//The item was actually deleted. Ask for restoration.
string accentColor = "#" + fragment.Context.GetColor(Resource.Color.colorAccent).ToString("X");
string primaryColor = "#" + fragment.Context.GetColor(Resource.Color.colorPrimary).ToString("X");
var snackBar = Snackbar.Make(fragment.View, $"Saved Item Deleted", Snackbar.LengthLong)
.SetAction("Restore", (x) =>
{
//Restore the item.
historyViewModels.Insert(position, itemDeleted);
recyclerView.GetAdapter().NotifyItemInserted(position);
//Dont delete.
PermissionHelper.ShouldDelete = false;
})
.SetActionTextColor(Android.Graphics.Color.ParseColor(accentColor));
snackBar.AddCallback(new FileDeletionCallback(itemDeleted.FileName, fragment as HistoryFragment, historyViewModels));
snackBar.View.SetBackgroundColor(Android.Graphics.Color.ParseColor(primaryColor));
//Get the exisiting text.
TextView textView = snackBar.View.FindViewById <TextView>(Resource.Id.snackbar_text);
if (AppCompatDelegate.DefaultNightMode == AppCompatDelegate.ModeNightNo)
{
textView.SetTextColor(Android.Graphics.Color.Black);
}
else
{
textView.SetTextColor(Android.Graphics.Color.White);
}
snackBar.Show();
}
}
public override void OnBindViewHolder(AndroidX.RecyclerView.Widget.RecyclerView.ViewHolder viewHolder, int position)
{
var item = imageViewModels[position];
var holder = viewHolder as HistoryAdapterViewHolder;
holder.FileNameTextView.Text = item.FileName.GetFileNameWithoutExtension();
holder.SizeTextView.Text = item.FileSizeAndDayModified;
var drawable = item.FileName.EndsWith("zip") ? ContextCompat.GetDrawable(mainActivity, Resource.Drawable.zip_drawable)
: ContextCompat.GetDrawable(mainActivity, Resource.Drawable.pdf_drawable);
Glide.With(mainActivity)
.Load(drawable)
.Thumbnail(0.5f)
.Into(holder.FileIcon);
}
// Replace the contents of a view (invoked by the layout manager)
public override void OnBindViewHolder(AndroidX.RecyclerView.Widget.RecyclerView.ViewHolder viewHolder, int position)
{
var item = items[position];
// Replace the contents of the view with that element
var holder = viewHolder as FoundImagesAdapterViewHolder;
holder.FileNameTextView.Text = items[position].FileName.GetFileNameWithoutExtension();
holder.FileSizeTextView.Text = items[position].FileSize;
Glide.With(Fragment)
.Load(Android.Net.Uri.FromFile(new Java.IO.File(item.FullPath)))
.Thumbnail(0.9f)
.SetDiskCacheStrategy(DiskCacheStrategy.All)
.Placeholder(Resource.Drawable.abc_spinner_mtrl_am_alpha)
.Into(holder.ImageView);
}
public override void OnChildViewHolderSelected(AndroidX.RecyclerView.Widget.RecyclerView parent, AndroidX.RecyclerView.Widget.RecyclerView.ViewHolder child, int position, int subposition)
{
base.OnChildViewHolderSelected(parent, child, position, subposition);
var adapter = parent.GetAdapter() as IMvxRecyclerAdapter;
var item = adapter?.GetItem(position);
if (item == null)
{
MvxAndroidLog.Instance.Log(LogLevel.Error, "Could not retrieve item from adapter. Can't pass currently selected item through!");
return;
}
if (ItemSelection != null && ItemSelection.CanExecute(item))
{
ItemSelection.Execute(item);
}
}
public override void OnSwiped(AndroidX.RecyclerView.Widget.RecyclerView.ViewHolder viewHolder, int direction)
{
//Store the position in case of restoration.
int position = viewHolder.LayoutPosition;
//Store the potentially deleted item.
ImageFileNameModel itemDeleted = null;
if (direction == ItemTouchHelper.Right || direction == ItemTouchHelper.Left)
{
//Remove the item in the model.
itemDeleted = ImageFileNameModels[position];
ImageFileNameModels.RemoveAt(position);
ItemCountHelper.UpdateExportItemsCount(mainActivity, ImageFileNameModels);
RecyclerView.GetAdapter().NotifyItemRemoved(position);
PermissionHelper.ShouldDelete = true;
}
if (itemDeleted != null)
{
//The item was actually deleted. Ask for restoration.
string accentColor = "#" + Fragment.Context.GetColor(Resource.Color.colorAccent).ToString("X");
string primaryColor = "#" + Fragment.Context.GetColor(Resource.Color.colorPrimary).ToString("X");
var snackBar = Snackbar.Make(Fragment.View, $"Item Removed", Snackbar.LengthLong)
.SetAction("Restore", (x) =>
{
//Restore the item.
ImageFileNameModels.Insert(position, itemDeleted);
ItemCountHelper.UpdateExportItemsCount(mainActivity, ImageFileNameModels);
RecyclerView.GetAdapter().NotifyItemInserted(position);
mainActivity.SupportActionBar.Subtitle = $"Current count - {ImageFileNameModels.Count}";
PermissionHelper.ShouldDelete = false;
})
.SetActionTextColor(Android.Graphics.Color.ParseColor(accentColor));
snackBar.AddCallback(new FileDeletionCallback(itemDeleted.FileName, mainActivity, ImageFileNameModels));
snackBar.View.SetBackgroundColor(Android.Graphics.Color.ParseColor(primaryColor));
//Get the exisiting text.
TextView textView = snackBar.View.FindViewById <TextView>(Resource.Id.snackbar_text);
if (AppCompatDelegate.DefaultNightMode == AppCompatDelegate.ModeNightNo)
{
textView.SetTextColor(Android.Graphics.Color.Black);
}
else
{
textView.SetTextColor(Android.Graphics.Color.White);
}
snackBar.Show();
}
}
public override bool OnMove(AndroidX.RecyclerView.Widget.RecyclerView recyclerView,
AndroidX.RecyclerView.Widget.RecyclerView.ViewHolder viewHolder, AndroidX.RecyclerView.Widget.RecyclerView.ViewHolder target)
{
throw new NotImplementedException();
}
public MvxViewHolderBoundEventArgs(int itemPosition, object dataContext, AndroidX.RecyclerView.Widget.RecyclerView.ViewHolder holder)
{
ItemPosition = itemPosition;
DataContext = dataContext;
Holder = holder;
}
