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 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);
}
}
private void ShowCheckCircles()
{
var adapter = recView.GetAdapter() as ImageShortCutAdapter;
if (adapter != null)
{
ImageButton takePctrBtn = first.FindViewById <ImageButton>(Resource.Id.takePictureBtn);
ImageButton doneBtn = first.FindViewById <ImageButton>(Resource.Id.doneBtn);
doneBtn.Click += (sender, e) =>
{
List <string> ImagesForPreview = new List <string>();
var imgs = getPhotosFromGallery();
foreach (var pos in adapter.CheckedPositions)
{
ImagesForPreview.Add(imgs.ElementAt(pos));
}
SelectedImgsFromGallery(ImagesForPreview);
};
if (takePctrBtn.Visibility == ViewStates.Visible)
{
takePctrBtn.Visibility = ViewStates.Invisible;
doneBtn.Visibility = ViewStates.Visible;
}
else
{
doneBtn.Visibility = ViewStates.Invisible;
takePctrBtn.Visibility = ViewStates.Visible;
}
adapter.ClickOnChoseFew();
}
}
public override async void OnActivityResult(int requestCode, int resultCode, Intent data)
{
if (null == data)
{
SelectButtonIsVisible = true;
SavedState.PutBoolean(FILE_CHOOSER_VISIBILTY, SelectButtonIsVisible);
}
if (requestCode == FileRequestCode && resultCode == (int)Result.Ok)
{
//Before performing a new task, clean up the temp.
PathHelper.DeleteAllTempFiles();
//Save the filename to memory.
PathHelper.OriginalPDFName = data.Data.GetFileNameFromURIWithoutExtension();
await Task.Run(() =>
{
try
{
context.RunOnUiThread(() =>
{
//Turn off the fileChooser
fileChooserCard.Visibility = ViewStates.Gone;
SelectButtonIsVisible = false;
SavedState.PutBoolean(FILE_CHOOSER_VISIBILTY, SelectButtonIsVisible);
});
//Try extract images from the supplied pdf.
//Create the temp folder.
string directory = PathHelper.GetOrCreateExtractRTempDirectory();
//Build the save Path.
string savePath = string.Empty;
if (!string.IsNullOrEmpty(directory))
{
savePath = System.IO.Path.Combine(directory, PathHelper.OriginalPDFName);
}
var stream = context.ContentResolver.OpenInputStream(data.Data);
ImageExtractor imageExtractor = new ImageExtractor(stream);
imageExtractor.ImageSaved += (s, e) =>
{
context.RunOnUiThread(() =>
{
//Try updating the progressbar.
processingProgressBar.SetProgress(e.Progress, true);
});
};
if (imageExtractor != null)
{
context.RunOnUiThread(() =>
{
//Show the processing group.
if (processingGroup.Visibility == ViewStates.Gone)
{
processingGroup.Visibility = ViewStates.Visible;
}
//Set the text in the processing textview.
processingTextView.Text = $"ExtractR is scanning your document...";
});
//Extract data from the pdf.
var elements = imageExtractor.ExtractElementsData();
context.RunOnUiThread(() =>
{
if (null == elements || elements.Result.Count == 0)
{
//No need to waste time. Break out of the function.
ReportNothingFound();
return;
}
//Update the text in the processing textview again to reflect the total elements found.
processingTextView.Text = $"Processing {elements.Result.Count} possible images...";
processingProgressBar.SetProgress(0, true);
processingProgressBar.Max = elements.Result.Count;
});
if (elements != null)
{
var savedImagePaths = imageExtractor.ProcessData(elements.Result, savePath).Result;
//Remove all current items.
ImageFileNameModels.Clear();
foreach (var path in savedImagePaths)
{
System.Diagnostics.Debug.WriteLine(path);
ImageFileNameModels.Add(new ImageFileNameModel
{
FileName = path,
FullPath = System.IO.Path.Combine(PathHelper.ExtractRDirectory, path)
});;
}
}
context.RunOnUiThread(() =>
{
processingGroup.Visibility = ViewStates.Gone;
var count = ImageFileNameModels.Count;
mainActivity.toolbar.Subtitle = count > 0 ? $"Found {count} possible images." : "No image found.";
ItemCountHelper.UpdateExportItemsCount(mainActivity, ImageFileNameModels);
_recyclerView.GetAdapter().NotifyDataSetChanged();
});
}
}
catch (System.Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
});
}
base.OnActivityResult(requestCode, resultCode, data);
}
