public override nfloat GetHeightForRow(UITableView tableView, Foundation.NSIndexPath indexPath)
{
if (!CachedHeight.TryGetValue(indexPath, out float itemHeight))
{
var itemVm = GetItemAt(indexPath);
if (itemVm is IProductDetailsItemVM detailsItemVm)
{
itemHeight = WidgetHeight.Invoke(detailsItemVm, detailsItemVm.WidgetType, detailsItemVm.DataType);
}
else
{
itemHeight = WidgetHeight.Invoke(itemVm, null, null);
}
CachedHeight[indexPath] = itemHeight;
}
return(itemHeight);
}
public override void ReloadTableData()
{
if (ItemsSource != null && ItemsSource.Count() > 0)
{
CachedHeight.Clear();
for (int i = 0; i < ItemsSource.Count(); i++)
{
var indexPath = NSIndexPath.FromRowSection(i, 0);
GetHeightForRow(TableView, indexPath);
}
base.ReloadTableData();
for (int i = 0; i < ItemsSource.Count(); i++)
{
var indexPath = NSIndexPath.FromRowSection(i, 0);
GetCell(TableView, indexPath);
}
}
}
public override nfloat GetHeightForRow(UITableView tableView, Foundation.NSIndexPath indexPath)
{
float itemHeight = 0;
if (!CachedHeight.TryGetValue(indexPath, out itemHeight))
{
var itemVm = GetItemAt(indexPath) as IFiltersItemVM;
if (itemVm != null)
{
switch (itemVm.WidgetType)
{
case FilterWidgetType.HorizontalCollection:
{
itemHeight = HorizontalCollectionCell.HORIZONTAL_COLLECTION_HEIGHT;
break;
}
case FilterWidgetType.VerticalCollection:
{
float itemsHeight = 0;
var verticalItemVm = itemVm as IVerticalCollectionFiVm;
if (verticalItemVm != null)
{
itemsHeight = verticalItemVm.Values.IsNullOrEmpty() ?
0 :
((verticalItemVm.Values.Count / 4) + (verticalItemVm.Values.Count % 4 == 0 ? 0 : 1)) * VerticalCollectionCell.VERTICAL_COLLECTION_ITEM_HEIGHT;
itemsHeight += VerticalCollectionCell.VERTICAL_COLLECTION_BOTTOM_INSET;
}
itemHeight = VerticalCollectionCell.VERTICAL_COLLECTION_TITLE_HEIGHT + itemsHeight;
break;
}
case FilterWidgetType.MinMax:
{
itemHeight = BaseMinMaxCell.MIN_MAX_HEIGHT;
break;
}
case FilterWidgetType.Picker:
{
itemHeight = PickerCell.PICKER_TITLE_HEIGHT;
var pickerItemVm = itemVm as IPickerFiVm;
if (pickerItemVm != null && pickerItemVm.Selected)
{
itemHeight += PickerCell.PICKER_CONTENT_HEIGHT;
}
break;
}
case FilterWidgetType.OneSelection:
{
itemHeight = OneSelectionCell.ONE_SELECTION_HEIGHT;
var oneItemVm = itemVm as IOneSelectionFiVm;
if (!oneItemVm.ValueName.IsNullOrEmtpy())
{
itemHeight += OneSelectionCell.ONE_SELECTION_CONTENT_HEIGHT;
}
break;
}
case FilterWidgetType.MultiSelection:
{
itemHeight = MultiSelectionCell.MULTY_SELECTION_TITLE_HEIGHT;
var multiItemVm = itemVm as IMultiSelectionFiVm;
if (multiItemVm != null && !multiItemVm.Items.IsNullOrEmpty())
{
itemHeight += MultiSelectionCell.MULTY_SELECTION_CONTENT_HEIGHT;
}
break;
}
case FilterWidgetType.Switch:
{
itemHeight = SwitchCell.SWITCH_HEIGHT;
break;
}
}
}
}
CachedHeight[indexPath] = itemHeight;
return(itemHeight);
}
public void ClearCachedHeights()
{
CachedHeight.Clear();
}
public void ClearCache()
{
CachedHeight.Clear();
CachedCells.Clear();
}