assetItemBuilder method

Widget assetItemBuilder(String url, Map<String, double> currentAssets, int index)

Implementation

Widget assetItemBuilder(String url, Map<String, double> currentAssets, int index){

  // Render individual asset
  Widget _displayImage(BuildContext context, String? selectedAsset){

    final overlay = delegate.overlayBuilder(context, 1);

    return Stack(
      children: [
        Positioned.fill(
          child: delegate.loadingTileIndicator(context) ?? loadingTileIndicatorExample()
        ),
        Positioned.fill(
          child: Image.network(url,
            fit: BoxFit.cover,
          ),
        ),
        if (selectedAsset == currentAssets.keys.elementAt(index)) overlay != null ? overlay : selectedOverlay(context)
      ],
    );
  }

  return StoreConnector<GiphyState, String?>(
    converter: (store) => store.state.selectedAsset,
    builder: (context, selectedAsset) {
      return FlatButton(
        padding: EdgeInsets.zero,
        child: ConstrainedBox(
          constraints: BoxConstraints(
            maxHeight: 300,
            minHeight: 125,
          ),
          child: AnimationConfiguration.staggeredGrid(
            columnCount: (index / 2).floor(),
            position: index,
            duration: const Duration(milliseconds: 375),
            child: ScaleAnimation(
              child: FadeInAnimation(
                child: _displayImage(context, selectedAsset)
              ),
            ),
          ),
        ),
        onPressed: (){
          if(selectedAsset == currentAssets.keys.elementAt(index))
            provider.dispatch(unSelectGif());
          else provider.dispatch(selectAsset(currentAssets.keys.elementAt(index)));
          giphyPickerController!.update();
        },
      );
    }
  );
}