imageItemBuilder method

Widget imageItemBuilder(BuildContext context, AssetEntity asset)

The item builder for image type of asset

Implementation

Widget imageItemBuilder(BuildContext context, AssetEntity asset){

  int defaultGridThumbSize = 200;

  final AssetEntityImageProvider imageProvider = AssetEntityImageProvider(
    asset,
    isOriginal: false,
    thumbSize: <int>[defaultGridThumbSize, defaultGridThumbSize],
  );

  // ConcreteCubit<bool> loading = ConcreteCubit<bool>(true);

  // imageProvider.resolve(new ImageConfiguration()).addListener(ImageStreamListener(
  //   (_, done){
  //     loading.emit(false);
  //   }
  // ));

  return Selector<DefaultAssetPickerProvider, int>(
    selector: (_, DefaultAssetPickerProvider p) => p.maxAssets,
    builder: (BuildContext context, int count, Widget? child) {
      return Selector<DefaultAssetPickerProvider, int>(
        selector: (_, DefaultAssetPickerProvider p) => p.selectedAssets.length,
        builder: (BuildContext context, int selectedCount, Widget? child) {
          bool lock = false;
          if(provider.selectedAssets.length >= provider.maxAssets){
            lock = true;
          }

          final Widget? overlay = delegate.overlayBuilder(context, provider.selectedAssets.indexOf(asset) + 1);
          final Widget? lockOverlay = delegate.lockOverlayBuilder(context, provider.selectedAssets.indexOf(asset) + 1);

          return Stack(
            children: [
              delegate.tileLoadingIndicator(context) ?? Container(
                decoration: BoxDecoration(
                  color: Colors.grey,
                  border: provider.selectedAssets.contains(asset) ? Border.all(width: 2, color: Colors.white.withOpacity(0.5)) : null
                ),
              ),
              Positioned.fill(
                child: AssetEntityGridItemBuilder(
                  image: imageProvider,
                  failedItemBuilder: failedItemBuilder,
                ),
              ),
            if (provider.selectedAssets.contains(asset))
              overlay != null ?
                Positioned.fill(child: overlay) :
                Positioned.fill(child: selectedOverlay(context, asset)),

            if(!provider.selectedAssets.contains(asset) && lock)
            lockOverlay != null ? Positioned.fill(child: lockOverlay) : greyOverlay(context, asset),
            Container(
              decoration: BoxDecoration(
                color: Colors.transparent,
                border: provider.selectedAssets.contains(asset) ? Border.all(width: 2, color: Colors.white.withOpacity(0.5)) : null
                ),
              )
            ],
          );
        }
      );
    }
  );
}