private void OnItemChanged(PriceTileModel itemModel)
{
if (IsViewLoaded)
{
var indexOfItem = _model.ActiveCurrencyPairs.IndexOf(itemModel);
NSIndexPath path = NSIndexPath.FromRowSection(indexOfItem, 0);
IPriceTileCell cell = (IPriceTileCell)TableView.CellAt(path);
if (cell != null)
{
// TODO: Batch the updates up, to only call ReloadRows once per main event loop loop?
if (ShouldUpdateCell(itemModel.Status, cell))
{
// System.Console.WriteLine ("Cell is APPROPRIATE", indexOfItem);
cell.UpdateFrom(itemModel);
}
else
{
TableView.ReloadRows(
new [] {
NSIndexPath.Create(0, indexOfItem)
}, UITableViewRowAnimation.None);
}
}
}
}
private IPriceTileCell GetCell(UITableView tableView, PriceTileModel model)
{
IPriceTileCell priceTileCell = null;
switch (model.Status)
{
case PriceTileStatus.Done:
case PriceTileStatus.DoneStale:
priceTileCell = tableView.DequeueReusableCell(PriceTileTradeAffirmationViewCell.Key) as PriceTileTradeAffirmationViewCell;
if (priceTileCell == null)
{
priceTileCell = PriceTileTradeAffirmationViewCell.Create();
}
break;
case PriceTileStatus.Streaming:
case PriceTileStatus.Executing:
priceTileCell = tableView.DequeueReusableCell(PriceTileViewCell.Key) as PriceTileViewCell;
if (priceTileCell == null)
{
priceTileCell = PriceTileViewCell.Create();
}
break;
case PriceTileStatus.Stale:
priceTileCell = tableView.DequeueReusableCell(PriceTileErrorViewCell.Key) as PriceTileViewCell;
if (priceTileCell == null)
{
priceTileCell = PriceTileErrorViewCell.Create();
}
break;
}
return(priceTileCell);
}
private static bool ShouldUpdateCell(PriceTileStatus status, IPriceTileCell cell)
{
switch (status) {
case PriceTileStatus.Done:
case PriceTileStatus.DoneStale:
if (cell is PriceTileTradeAffirmationViewCell) {
return true;
}
break;
case PriceTileStatus.Streaming:
case PriceTileStatus.Executing:
if (cell is PriceTileViewCell) {
return true;
}
break;
case PriceTileStatus.Stale:
if (cell is PriceTileErrorViewCell) {
return true;
}
break;
}
return false;
}
private static bool ShouldUpdateCell(PriceTileStatus status, IPriceTileCell cell)
{
switch (status)
{
case PriceTileStatus.Done:
case PriceTileStatus.DoneStale:
if (cell is PriceTileTradeAffirmationViewCell)
{
return(true);
}
break;
case PriceTileStatus.Streaming:
case PriceTileStatus.Executing:
if (cell is PriceTileViewCell)
{
return(true);
}
break;
case PriceTileStatus.Stale:
if (cell is PriceTileErrorViewCell)
{
return(true);
}
break;
}
return(false);
}
private void OnItemChanged(PriceTileModel itemModel)
{
if (IsViewLoaded)
{
var indexOfItem = _model.ActiveCurrencyPairs.IndexOf(itemModel);
NSIndexPath path = NSIndexPath.FromRowSection(indexOfItem, 0);
IPriceTileCell cell = (IPriceTileCell)TableView.CellAt(path);
if (cell == null)
{
// System.Console.WriteLine ("Row {0} not found", indexOfItem);
// There's no cell bound to that index in the data, so we can ignore the update.
}
else
{
// System.Console.WriteLine ("Row {0} FOUND {1}", indexOfItem, cell.GetType ().ToString ());
bool bAppropriateCell = false; // TODO: Refactor this elsewhere.
switch (itemModel.Status)
{
case PriceTileStatus.Done:
case PriceTileStatus.DoneStale:
if (cell.GetType().Equals(Type.GetType("Adaptive.ReactiveTrader.Client.iOSTab.PriceTileTradeAffirmationViewCell", false)))
{
bAppropriateCell = true;
}
break;
case PriceTileStatus.Streaming:
case PriceTileStatus.Executing:
if (cell.GetType().Equals(Type.GetType("Adaptive.ReactiveTrader.Client.iOSTab.PriceTileViewCell", false)))
{
bAppropriateCell = true;
}
break;
case PriceTileStatus.Stale:
if (cell.GetType().Equals(Type.GetType("Adaptive.ReactiveTrader.Client.iOSTab.PriceTileErrorViewCell", false)))
{
bAppropriateCell = true;
}
break;
}
// TODO: Batch the updates up, to only call ReloadRows once per main event loop loop?
if (bAppropriateCell)
{
// System.Console.WriteLine ("Cell is APPROPRIATE", indexOfItem);
cell.UpdateFrom(itemModel);
}
else
{
// TODO: If the cell is of the wrong type, reload the row instead.
TableView.ReloadRows(
new [] {
NSIndexPath.Create(0, indexOfItem)
}, UITableViewRowAnimation.None);
}
}
}
}
