private void SwitchSelection(PhotoFile currentItem, PhotoFile previousItem)
{
if (currentItem != null)
{
currentItem.IsSelected = true;
}
if (previousItem != null)
{
previousItem.IsSelected = false;
}
}
public void CloseEditor()
{
if (View != null && View.IsExtendedImageEditorOpened)
{
View.CloseExtendedImageEditor();
return;
}
_isOpen = false;
NotifyOfPropertyChange(() => IsOpen);
_currentItem = null;
}
public static void ImageOpened(PhotoFile photoFile)
{
var tuple = _imagesCache.LastOrDefault(x => x.Item1 == photoFile);
_imagesCache.Remove(tuple);
if (tuple != null)
{
var image = tuple.Item2;
image.Opacity = 0.0;
var storyboard = new Storyboard();
var opacityImageAniamtion = new DoubleAnimationUsingKeyFrames();
opacityImageAniamtion.KeyFrames.Add(new EasingDoubleKeyFrame {
KeyTime = TimeSpan.FromSeconds(0.5), Value = 1.0
});
Storyboard.SetTarget(opacityImageAniamtion, image);
Storyboard.SetTargetProperty(opacityImageAniamtion, new PropertyPath("Opacity"));
storyboard.Children.Add(opacityImageAniamtion);
storyboard.Begin();
}
}
public void Delete(PhotoFile file)
{
var index = Items.IndexOf(file);
if (index == -1)
{
return;
}
Items.RemoveAt(index);
if (CurrentItem == file)
{
if (Items.Count > 1)
{
if (Items.Count > index + 1)
{
CurrentItem = Items[index];
}
else
{
CurrentItem = Items[index - 1];
}
}
else
{
CurrentItem = null;
}
}
IsDoneEnabled = Items.FirstOrDefault(x => !x.IsButton) != null;
NotifyOfPropertyChange(() => IsDeleteEnabled);
if (Items.Count == 1)
{
_isOpen = false;
NotifyOfPropertyChange(() => IsOpen);
}
}
public void SelectMessage(PhotoFile file)
{
CurrentItem = file;
}
public async Task AddFiles(IList <StorageFile> files)
{
IsDoneEnabled = false;
for (var i = 0; i < files.Count; i++)
{
var photoFile = new PhotoFile {
File = files[i]
};
Items.Insert(Items.Count - 1, photoFile);
}
if (CurrentItem == null)
{
CurrentItem = Items.FirstOrDefault();
}
NotifyOfPropertyChange(() => IsDeleteEnabled);
var maxCount = 9;
var counter = 0;
var firstSlice = new List <PhotoFile>();
var secondSlice = new List <PhotoFile>();
foreach (var item in Items)
{
if (item.IsButton)
{
continue;
}
if (counter > maxCount)
{
secondSlice.Add(item);
}
else
{
firstSlice.Add(item);
}
counter++;
}
//await UpdateThumbnails(firstSlice);
var count = Items.Count;
if (count > 2)
{
var tasks = new List <Task>();
for (var i = 0; i < count; i++)
{
var localItem = Items[i];
if (localItem.Object != null)
{
continue;
}
if (localItem.IsButton)
{
continue;
}
var task = Task.Run(() =>
{
try
{
var file = localItem.File;
if (GetPhotoMessage != null)
{
var message = GetPhotoMessage(file);
localItem.Message = message;
}
else
{
var message = GetDecryptedPhotoMessage(file);
localItem.DecryptedTuple = message;
}
Telegram.Api.Helpers.Execute.BeginOnUIThread(() =>
{
localItem.NotifyOfPropertyChange(() => localItem.Self);
});
}
catch (Exception ex)
{
Log.Write(ex.ToString());
}
});
tasks.Add(task);
}
await Task.WhenAll(tasks);
if (!IsOpen)
{
return;
}
NotifyOfPropertyChange(() => CurrentItem);
var date = CurrentItem.Date;
foreach (var item in Items)
{
if (item != null && item.Message != null)
{
item.Date = date;
}
}
IsDoneEnabled = true;
//await UpdateThumbnails(secondSlice);
}
else
{
IsDoneEnabled = CurrentItem != null && CurrentItem.Object != null;
}
}
