public override UITableViewCell GetCell(UITableView tableView, NSIndexPath indexPath)
{
var cell = (GMAlbumsViewCell)tableView.DequeueReusableCell(CellReuseIdentifier);
if (cell == null)
{
cell = new GMAlbumsViewCell(UITableViewCellStyle.Subtitle, CellReuseIdentifier);
cell.Accessory = UITableViewCellAccessory.DisclosureIndicator;
}
// Increment the cell's tag
var currentTag = cell.Tag + 1;
cell.Tag = currentTag;
// Set the label
cell.TextLabel.Font = UIFont.FromName(_parent._picker.PickerFontName, _parent._picker.PickerFontHeaderSize);
cell.TextLabel.Text = _parent._collectionsFetchResultsTitles [indexPath.Section][indexPath.Row];
cell.TextLabel.TextColor = _parent._picker.PickerTextColor;
// Retrieve the pre-fetched assets for this album:
var assetsFetchResult = _parent._collectionsFetchResultsAssets[indexPath.Section][indexPath.Row];
// Display the number of assets
if (_parent._picker.DisplayAlbumsNumberOfAssets)
{
cell.DetailTextLabel.Font = UIFont.FromName(_parent._picker.PickerFontName, _parent._picker.PickerFontNormalSize);
// Just use the number of assets. Album app does this:
cell.DetailTextLabel.Text = string.Format("{0:0}", assetsFetchResult.Count);
cell.DetailTextLabel.TextColor = _parent._picker.PickerTextColor;
}
var numberOfAssets = assetsFetchResult.Count;
// Set the 3 images (if exists):
if (numberOfAssets > 0)
{
var scale = UIScreen.MainScreen.Scale;
var options = new PHImageRequestOptions
{
Synchronous = false,
NetworkAccessAllowed = true,
DeliveryMode = PHImageRequestOptionsDeliveryMode.Opportunistic,
ResizeMode = PHImageRequestOptionsResizeMode.Fast
};
// Compute the thumbnail pixel size:
var tableCellThumbnailSize1 = new CGSize(AlbumThumbnailSize1.Width * scale, AlbumThumbnailSize1.Height * scale);
var asset = (PHAsset)assetsFetchResult[_parent._picker.GridSortOrder == SortOrder.Ascending ? numberOfAssets - 1 : 0];
cell.SetVideoLayout(asset.MediaType == PHAssetMediaType.Video);
_parent._imageManager.RequestImageForAsset(asset,
tableCellThumbnailSize1,
PHImageContentMode.AspectFill,
options,
(image, info) => {
if (cell.Tag == currentTag && cell.ImageView1 != null && image != null)
{
cell.ImageView1.Image = image;
}
});
// Second & third images:
// TODO: Only preload the 3pixels height visible frame!
if (numberOfAssets > 1)
{
// Compute the thumbnail pixel size:
var tableCellThumbnailSize2 = new CGSize(AlbumThumbnailSize2.Width * scale, AlbumThumbnailSize2.Height * 2);
asset = (PHAsset)assetsFetchResult [_parent._picker.GridSortOrder == SortOrder.Ascending ? numberOfAssets - 2 : 1];
_parent._imageManager.RequestImageForAsset(asset,
tableCellThumbnailSize2,
PHImageContentMode.AspectFill,
options,
(image, info) => {
if (cell.Tag == currentTag && cell.ImageView2 != null && image != null)
{
cell.ImageView2.Image = image;
}
});
}
else
{
cell.ImageView2.Image = null;
}
if (numberOfAssets > 2)
{
// Compute the thumbnail pixel size:
var tableCellThumbnailSize3 = new CGSize(AlbumThumbnailSize3.Width * scale, AlbumThumbnailSize3.Height * 2);
asset = (PHAsset)assetsFetchResult [_parent._picker.GridSortOrder == SortOrder.Ascending ? numberOfAssets - 3 : 2];
_parent._imageManager.RequestImageForAsset(asset,
tableCellThumbnailSize3,
PHImageContentMode.AspectFill,
options,
(image, info) => {
if (cell.Tag == currentTag && cell.ImageView3 != null && image != null)
{
cell.ImageView3.Image = image;
}
});
}
else
{
cell.ImageView3.Image = null;
}
}
else
{
cell.SetVideoLayout(false);
var emptyFolder = UIImage.FromFile("GMEmptyFolder");
cell.ImageView3.Image = emptyFolder;
cell.ImageView2.Image = emptyFolder;
cell.ImageView1.Image = emptyFolder;
}
return(cell);
}
public override UITableViewCell GetCell (UITableView tableView, NSIndexPath indexPath)
{
var cell = (GMAlbumsViewCell)tableView.DequeueReusableCell (CellReuseIdentifier);
if (cell == null) {
cell = new GMAlbumsViewCell (UITableViewCellStyle.Subtitle, CellReuseIdentifier);
cell.Accessory = UITableViewCellAccessory.DisclosureIndicator;
}
// Increment the cell's tag
var currentTag = cell.Tag + 1;
cell.Tag = currentTag;
// Set the label
cell.TextLabel.Font = UIFont.FromName (_parent._picker.PickerFontName, _parent._picker.PickerFontHeaderSize);
cell.TextLabel.Text = _parent._collectionsFetchResultsTitles [indexPath.Section][indexPath.Row];
cell.TextLabel.TextColor = _parent._picker.PickerTextColor;
// Retrieve the pre-fetched assets for this album:
var assetsFetchResult = (PHFetchResult) _parent._collectionsFetchResultsAssets[indexPath.Section][indexPath.Row];
// Display the number of assets
if (_parent._picker.DisplayAlbumsNumberOfAssets) {
cell.DetailTextLabel.Font = UIFont.FromName (_parent._picker.PickerFontName, _parent._picker.PickerFontNormalSize);
// Just use the number of assets. Album app does this:
cell.DetailTextLabel.Text = string.Format("{0:0}", assetsFetchResult.Count);
cell.DetailTextLabel.TextColor = _parent._picker.PickerTextColor;
}
var numberOfAssets = assetsFetchResult.Count;
// Set the 3 images (if exists):
if (numberOfAssets > 0) {
var scale = UIScreen.MainScreen.Scale;
// Compute the thumbnail pixel size:
var tableCellThumbnailSize1 = new CGSize (AlbumThumbnailSize1.Width * scale, AlbumThumbnailSize1.Height * scale);
var asset = (PHAsset)assetsFetchResult[_parent._picker.GridSortOrder == SortOrder.Ascending ? numberOfAssets - 1 : 0];
cell.SetVideoLayout (asset.MediaType == PHAssetMediaType.Video);
_parent._imageManager.RequestImageForAsset (asset, tableCellThumbnailSize1, PHImageContentMode.AspectFill, null, (image, info) => {
if (cell.Tag == currentTag) {
cell.ImageView1.Image = image;
}
});
// Second & third images:
// TODO: Only preload the 3pixels height visible frame!
if (numberOfAssets > 1) {
// Compute the thumbnail pixel size:
var tableCellThumbnailSize2 = new CGSize (AlbumThumbnailSize2.Width * scale, AlbumThumbnailSize2.Height * 2);
asset = (PHAsset)assetsFetchResult [_parent._picker.GridSortOrder == SortOrder.Ascending ? numberOfAssets - 2 : 1];
_parent._imageManager.RequestImageForAsset (asset, tableCellThumbnailSize2, PHImageContentMode.AspectFill, null, (image, info) => {
if (cell.Tag == currentTag) {
cell.ImageView2.Image = image;
}
});
} else {
cell.ImageView2.Image = null;
}
if (numberOfAssets > 2) {
// Compute the thumbnail pixel size:
var tableCellThumbnailSize3 = new CGSize (AlbumThumbnailSize3.Width * scale, AlbumThumbnailSize3.Height * 2);
asset = (PHAsset)assetsFetchResult [_parent._picker.GridSortOrder == SortOrder.Ascending ? numberOfAssets - 3 : 2];
_parent._imageManager.RequestImageForAsset (asset, tableCellThumbnailSize3, PHImageContentMode.AspectFill, null, (image, info) => {
if (cell.Tag == currentTag) {
cell.ImageView3.Image = image;
}
});
} else {
cell.ImageView3.Image = null;
}
} else {
cell.SetVideoLayout (false);
var emptyFolder = UIImage.FromFile ("GMEmptyFolder");
cell.ImageView3.Image = emptyFolder;
cell.ImageView2.Image = emptyFolder;
cell.ImageView1.Image = emptyFolder;
}
return cell;
}
