private void LoadChapterView()
{
if (chapterList != null && chapterList.Count > 0)
{
// collectionView
InitializeCollectionView(typeof(ChapterCell), "chapterCell");
// flowLayout
collectionView.CollectionViewLayout = new DashboardLayout()
{
ItemSize = new CGSize(220, 388.33f)
};
// dataSource
DashboardDataSource dataSource = new DashboardDataSource(book, chapterList as Object, DashboardDataSource.DataType.CHAPTERS, "chapterCell");
dataSource.ItemPressedEvent += HandleChapterPressedEvent;
collectionView.Source = dataSource;
collectionView.ReloadData();
collectionView.LayoutIfNeeded();
ShowHideChapterStatus(false);
}
else
{
ShowHideChapterStatus(true);
}
}
protected void ResizeView()
{
tagsCollectionView.LayoutIfNeeded();
var collectionContentSize = tagsCollectionView.ContentSize;
tagsCollectionHeight.Constant = collectionContentSize.Height;
}
public virtual nfloat GetCellHeightRelativeToCollectionViewHeight(UICollectionView collectionView, nfloat cellsDisplayedOnScreenDownCollectionView)
{
collectionView.SetNeedsLayout( );
collectionView.LayoutIfNeeded( );
nfloat totalCellSpacingSizeDisplayed = ( nfloat )Math.Floor(cellsDisplayedOnScreenDownCollectionView) * CellSpacing;
nfloat cellHeight = (collectionView.Bounds.Height - ContentInset.Top - totalCellSpacingSizeDisplayed) / cellsDisplayedOnScreenDownCollectionView;
return(cellHeight);
}
public virtual nfloat GetCellWidthRelativeToCollectionViewWidth(UICollectionView collectionView, nfloat cellsDisplayedOnScreenAcrossCollectionView)
{
collectionView.SetNeedsLayout( );
collectionView.LayoutIfNeeded( );
nfloat totalCellSpacingSizeDisplayed = ( nfloat )Math.Floor(cellsDisplayedOnScreenAcrossCollectionView) * CellSpacing;
nfloat cellWidth = (collectionView.Bounds.Width - ContentInset.Left - totalCellSpacingSizeDisplayed) / cellsDisplayedOnScreenAcrossCollectionView;
return(cellWidth);
}