public WFHeaderViewHolder(AView view) : base(view)
{
ItemView = view;
var lParams = new StaggeredGridLayoutManager.LayoutParams(ItemView.LayoutParameters);
lParams.FullSpan = true;
ItemView.LayoutParameters = lParams;
}
protected void SetFullSpan(RecyclerView.ViewHolder holder)
{
if (holder.ItemView.LayoutParameters is StaggeredGridLayoutManager.LayoutParams)
{
StaggeredGridLayoutManager.LayoutParams p = (StaggeredGridLayoutManager.LayoutParams)holder
.ItemView.LayoutParameters;
p.FullSpan = true;
}
}
protected virtual void TuneSectionFooter(bool first, bool last, RecyclerView.ViewHolder viewHolder)
{
var layoutParams = new StaggeredGridLayoutManager.LayoutParams(viewHolder.ItemView.LayoutParameters);
layoutParams.FullSpan = true;
viewHolder.ItemView.LayoutParameters = layoutParams;
SetupFooterView(viewHolder.ItemView);
(viewHolder as IMvxRecyclerViewHolder).DataContext = BindingContext.DataContext;
}
private View createSpViewByType(ViewGroup parent, int viewType)
{
foreach (ItemView headerView in headers)
{
if (headerView.GetHashCode() == viewType)
{
View view = headerView.onCreateView(parent);
StaggeredGridLayoutManager.LayoutParams layoutParams;
if (view.LayoutParameters != null)
{
layoutParams = new StaggeredGridLayoutManager.LayoutParams(view.LayoutParameters);
}
else
{
layoutParams = new StaggeredGridLayoutManager.LayoutParams(ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.WrapContent);
}
layoutParams.FullSpan = true;
view.LayoutParameters = layoutParams;
return(view);
}
}
foreach (ItemView footerview in footers)
{
if (footerview.GetHashCode() == viewType)
{
View view = footerview.onCreateView(parent);
StaggeredGridLayoutManager.LayoutParams layoutParams;
if (view.LayoutParameters != null)
{
layoutParams = new StaggeredGridLayoutManager.LayoutParams(view.LayoutParameters);
}
else
{
layoutParams = new StaggeredGridLayoutManager.LayoutParams(ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.WrapContent);
}
layoutParams.FullSpan = true;
view.LayoutParameters = layoutParams;
return(view);
}
}
return(null);
}
private View CreateSpViewByType(ViewGroup parent, int viewType)
{
foreach (var view in from headerView in headers where headerView.GetHashCode() == viewType select headerView.OnCreateView(parent))
{
StaggeredGridLayoutManager.LayoutParams layoutParams;
if (view.LayoutParameters != null)
{
layoutParams = new StaggeredGridLayoutManager.LayoutParams(view.LayoutParameters);
}
else
{
layoutParams = new StaggeredGridLayoutManager.LayoutParams(ViewGroup.LayoutParams.MatchParent,
ViewGroup.LayoutParams.WrapContent);
}
layoutParams.FullSpan = true;
view.LayoutParameters = layoutParams;
return(view);
}
foreach (var view in from footer in footers where footer.GetHashCode() == viewType select footer.OnCreateView(parent))
{
StaggeredGridLayoutManager.LayoutParams layoutParams;
if (view.LayoutParameters != null)
{
layoutParams = new StaggeredGridLayoutManager.LayoutParams(view.LayoutParameters);
}
else
{
layoutParams = new StaggeredGridLayoutManager.LayoutParams(ViewGroup.LayoutParams.MatchParent,
ViewGroup.LayoutParams.WrapContent);
}
layoutParams.FullSpan = true;
view.LayoutParameters = layoutParams;
return(view);
}
return(null);
}
OnBindViewHolder(RecyclerView.ViewHolder holder, int position)
{
var Product = _grid.ItemsSource[position];
if (Product.Index != -1)
{
MarketViewHolder vh = holder as MarketViewHolder;
var height = Product.LayoutOption == 1 ? DpToPixels(150) : DpToPixels(90);
if (!string.IsNullOrWhiteSpace(Product.MainImage))
{
ImageService.Instance.LoadUrl(Product.MainImage, TimeSpan.FromMinutes(1))
.LoadingPlaceholder("placeholderimg", FFImageLoading.Work.ImageSource.CompiledResource)
//.LoadingPlaceholder(Product.Thumbnail, FFImageLoading.Work.ImageSource.Url)
.Retry(3, 200)
.DownSample(height: height)
.Into(vh.Image);
}
else
{
ImageService.Instance.LoadCompiledResource("placeholderimg")
.LoadingPlaceholder("placeholderimg", FFImageLoading.Work.ImageSource.CompiledResource)
.DownSample(height: height)
.Into(vh.Image);
}
vh.Title.Text = Product.Title;
vh.Seller.Text = Product.Seller;
vh.Price.Text = Product.Price;
}
else
{
StaggeredGridLayoutManager.LayoutParams layoutParams = (StaggeredGridLayoutManager.LayoutParams)holder.ItemView.LayoutParameters;
layoutParams.FullSpan = true;
}
}
public override void OnBindViewHolder(RecyclerView.ViewHolder holder, int position)
{
var isHeader = holder is WFGroupHeaderViewHolder;
var itemView = holder.ItemView;
var element = (itemView as VisualElementRenderer <View>).Element;
var dpHeight = 0;
int pxHeight;
var dpWidth = (int)ItemWidth;
if (holder is WFHeaderViewHolder)
{
dpHeight = (int)Element.Header.HeightRequest;
element.Layout(new Rectangle(0, 0, Element.Width, dpHeight));
pxHeight = DroidUtils.DpToPixel(dpHeight);
var pxWidth = DroidUtils.DpToPixel((int)Element.Width);
var layoutParams = new ViewGroup.LayoutParams(pxWidth, pxHeight);
itemView.LayoutParameters = layoutParams;
itemView.Layout(0, 0, pxWidth, pxHeight);
var lParams = new StaggeredGridLayoutManager.LayoutParams(itemView.LayoutParameters);
lParams.FullSpan = true;
itemView.LayoutParameters = lParams;
return;
}
if (Element.Header != null)
{
position--; //because the first index is the Header View
}
element.BindingContext = SourceList[position];
if (holder is WFGroupHeaderViewHolder)
{
(holder as WFGroupHeaderViewHolder).BindingContext = element.BindingContext;
dpHeight = (int)Element.HeaderTemplateHeight;
element.Layout(new Rectangle(0, 0, Element.Width, dpHeight));
pxHeight = DroidUtils.DpToPixel(dpHeight);
var pxWidth = DroidUtils.DpToPixel((int)Element.Width);
var layoutParams = new ViewGroup.LayoutParams(pxWidth, pxHeight);
itemView.LayoutParameters = layoutParams;
itemView.Layout(0, 0, pxWidth, pxHeight);
var lParams = new StaggeredGridLayoutManager.LayoutParams(itemView.LayoutParameters);
lParams.FullSpan = true;
itemView.LayoutParameters = lParams;
}
else
{
(holder as WFViewHolder).BindingContext = element.BindingContext;
if (Element.GetHeightForCellDelegate != null)
{
dpHeight = (int)Element.GetHeightForCellDelegate(SourceList[position]);
}
else
{
dpHeight = _heights[position];
}
element.Layout(new Rectangle(0, 0, dpWidth, dpHeight));
pxHeight = DroidUtils.DpToPixel(dpHeight);
var pxWidth = DroidUtils.DpToPixel((int)ItemWidth);
var layoutParams = new ViewGroup.LayoutParams(pxWidth, pxHeight);
itemView.LayoutParameters = layoutParams;
itemView.Layout(0, 0, pxWidth, pxHeight);
}
}