public PhotoViewController1(ImageEntity image, List<ImageEntity> images)
{
_images = images;
_currentImageIndex = GetImageIndex(image);
var tabButton = new UIBarButtonItem("Tag", UIBarButtonItemStyle.Plain, OnTagClicked);
NavigationItem.RightBarButtonItem = tabButton;
_btShare = new UIBarButtonItem(UIBarButtonSystemItem.Action, OnShareClicked);
var btTrash = new UIBarButtonItem(UIBarButtonSystemItem.Trash, OnTrashClicked);
var deleteSpace = new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace);
ToolbarItems = new[] { _btShare, deleteSpace, btTrash };
}
public PhotoViewController4(ImageEntity image, List<ImageEntity> images)
: base(UIPageViewControllerTransitionStyle.Scroll,
UIPageViewControllerNavigationOrientation.Horizontal,
UIPageViewControllerSpineLocation.None, 20f)
{
FullScreen = false;
_image = image;
_images = images;
var tabButton = new UIBarButtonItem("Tag", UIBarButtonItemStyle.Plain, OnTagClicked);
NavigationItem.RightBarButtonItem = tabButton;
_btShare = new UIBarButtonItem(UIBarButtonSystemItem.Action, OnShareClicked);
var btTrash = new UIBarButtonItem(UIBarButtonSystemItem.Trash, OnTrashClicked);
var deleteSpace = new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace);
ToolbarItems = new[] { _btShare, deleteSpace, btTrash };
DataSource = _pageVewDataSource;
AutomaticallyAdjustsScrollViewInsets = false;
}
public TagSelectorViewController(ImageEntity image) : base("TagSelectorViewController", null)
{
_images.Add(image.CloneDeep());
}
public ImageEntity CloneDeep()
{
var result = new ImageEntity
{
EntityId = EntityId,
LocalIdentifier = LocalIdentifier,
TagsInternal = TagsInternal,
CreateTime = CreateTime
};
return result;
}
public void Update(ImageEntity value)
{
_tags.Clear();
_tags.AddRange(value.Tags);
EntityId = value.EntityId;
_tagsInternal = TagsToString();
}
public List<TagEntity> GetRemovedTags(ImageEntity entity)
{
IEnumerable<TagEntity> result = Tags.Except(entity.Tags, new FuncComparer<TagEntity>((x, y) => x.Equals(y)));
return result.ToList();
}
public bool Equals(ImageEntity value)
{
if (ReferenceEquals(null, value))
{
return false;
}
if (ReferenceEquals(this, value))
{
return true;
}
return value.EntityId == EntityId
&& string.Equals(value.LocalIdentifier, LocalIdentifier, StringComparison.OrdinalIgnoreCase);
}
private static int GetImageIndex(ImageEntity image)
{
return _images.FindIndex(x => x.Equals(image));
}
private void OnTagSelectorDone(object sender, EventArgsOf<List<ImageEntity>> ea)
{
_imageCache.SaveOrUpdate(ea.Data);
_image = ea.Data.First();
}
private void OnDeleteAssetsCompleted(ImageEntity removedImage, bool result, NSError error)
{
if (result == false)
{
return;
}
int imageIndex = GetImageIndex(removedImage);
_images.Remove(removedImage);
_imageCache.Remove(removedImage);
InvokeOnMainThread(() =>
{
ResetDataSource();
if (_images.IsNullOrEmpty())
{
NavigationController.PopViewController(true);
return;
}
imageIndex--;
if (imageIndex < 0)
{
imageIndex = 0;
}
PhotoViewPage1 page = PhotoViewPage1.ImageViewControllerForPageIndex(_images[imageIndex]);
SetViewControllers(new UIViewController[] { page },
UIPageViewControllerNavigationDirection.Forward,
false, null);
});
}
public PhotoViewController2(ImageEntity image, List<ImageEntity> images)
{
Title = "Image";
_image = image;
}
public static PhotoViewPage1 ImageViewControllerForPageIndex(ImageEntity image)
{
return new PhotoViewPage1(image);
}
private PhotoViewPage1(ImageEntity image)
{
ImageEntity = image;
Title = "Image";
}
private void OnDeleteAssetsCompleted(ImageEntity removedImage, bool result, NSError error)
{
if (result == false)
{
return;
}
else
{
Console.WriteLine(error);
}
int imageIndex = GetImageIndex(removedImage);
_images.Remove(removedImage);
_imageCache.Remove(removedImage);
InvokeOnMainThread(() =>
{
_pageViewController.ResetDataSource();
if (_images.IsNullOrEmpty())
{
NavigationController.PopViewController(true);
return;
}
var page = new PhotoPage(this, _currentImageIndex, _images);
imageIndex--;
if (imageIndex < 0)
{
imageIndex = 0;
}
_pageViewController.SetViewControllers(new UIViewController[] { page },
UIPageViewControllerNavigationDirection.Forward,
false, null);
});
}
private void SwipeImage()
{
_image = _images[_currentImageIndex];
PHAsset asset = _imageCache.GetAsset(_image.LocalIdentifier);
InvokeOnMainThread(() => UpdateImage(asset));
}
public void Remove(ImageEntity image)
{
Remove(new List<ImageEntity> { image });
}
private ImageEntity CreateImage(PHAsset asset)
{
try
{
var result = new ImageEntity
{
LocalIdentifier = asset.LocalIdentifier,
CreateTime = asset.CreationDate.ToDateTime()
};
return result;
}
catch (Exception ex)
{
Console.WriteLine(ex);
return new ImageEntity
{
LocalIdentifier = asset.LocalIdentifier,
CreateTime = DateTime.MinValue
};
}
}
private void OnDeleteAssetsCompleted(ImageEntity removedImage, bool result, NSError error)
{
if (result)
{
_images.Remove(removedImage);
_imageCache.Remove(removedImage);
_currentImageIndex--;
if (_images.IsNullOrEmpty())
{
InvokeOnMainThread(() => NavigationController.PopViewController(true));
return;
}
else if (_currentImageIndex < 0)
{
_currentImageIndex = 0;
}
SwipeImage();
}
else
{
Console.WriteLine(error);
}
}
