// cell neighbourhood iterator
public void ForEachCellNeighbour(int i, int j, CellDelegate method)
{
for (int d = 0; d < di.Length; d++)
{
// get neighbour coordinates
int ii = i + di[d], jj = j + dj[d];
if (OnBoard(ii, jj))
{
method(ii, jj);
}
}
}
public static T Fold <T>(T acc, CellDelegate <T> fn, Grid board)
{
T a = acc;
foreach (UIElement element in board.Children)
{
if (element is Cell)
{
a = fn(a, (Cell)element, board);
}
}
return(a);
}
public void ForEachBoardCell(CellDelegate method)
{
for (int i = 0; i < board.GetLength(0); i++)
{
for (int j = 0; j < board.GetLength(1); j++)
{
if (OnBoard(i, j))
{
method(i, j);
}
}
}
}
public ViewDataSource(UITableView tableView)
{
Random rnd = new Random();
sections = UILocalizedIndexedCollation.CurrentCollation().SectionIndexTitles;
testArray = (
from section in sections
group section by section
into g
select(
from i in Enumerable.Range(1, rnd.Next(5) + 1)
select i.ToString()
).ToList()
).ToArray();
cellDelegate = new CellDelegate(testArray, tableView);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// set up the data
Random rnd = new Random();
sections = UILocalizedIndexedCollation.CurrentCollation().SectionIndexTitles;
testArray = (
from section in sections
group section by section into g
select Enumerable.Range(1, rnd.Next(5) + 1).Select(i => i.ToString()).ToList()
).ToArray();
cellDelegate = new CellDelegate(testArray, TableView);
NavigationItem.LeftBarButtonItem = EditButtonItem;
TableView.RowHeight = 90;
NavigationItem.Title = "Pull to Toggle Cell Type";
// Setup refresh control for example app
UIRefreshControl refreshControl = new UIRefreshControl();
refreshControl.ValueChanged += (sender, args) => {
refreshControl.BeginRefreshing();
useCustomCells = !useCustomCells;
if (useCustomCells)
{
RefreshControl.TintColor = UIColor.Yellow;
}
else
{
RefreshControl.TintColor = UIColor.Blue;
}
TableView.ReloadData();
refreshControl.EndRefreshing();
};
refreshControl.TintColor = UIColor.Blue;
TableView.AddSubview(refreshControl);
RefreshControl = refreshControl;
useCustomCells = false;
}
public ViewDataSource(UITableView tableView)
{
Random rnd = new Random();
sections = UILocalizedIndexedCollation.CurrentCollation().SectionIndexTitles;
testArray = (
from section in sections
group section by section
into g
select (
from i in Enumerable.Range(1, rnd.Next(5) + 1)
select i.ToString()
).ToList()
).ToArray();
cellDelegate = new CellDelegate(testArray, tableView);
}
