public TimeRestrictionsControl()
{
InitializeComponent();
for (var day = 0; day < DaysPerWeek; day++)
{
for (var hour = 0; hour < HoursPerDay; hour++)
{
_hourCells[day,hour] = new ToggleCell();
Grid.SetColumn(_hourCells[day,hour], hour + 1);
Grid.SetRow(_hourCells[day,hour], day + 1);
_hourCells[day, hour].PreviewMouseLeftButtonDown += TimeGrid_PreviewMouseLeftButtonDown;
_hourCells[day, hour].PreviewMouseLeftButtonUp += TimeGrid_PreviewMouseLeftButtonUp;
_hourCells[day, hour].PreviewMouseMove += TimeGrid_PreviewMouseMove;
WeekGrid.Children.Add(_hourCells[day, hour]);
}
}
WeekGrid.DataContext = this;
}
void EndDragging()
{
_mouseDragStart = null;
_dragSource = null;
_dragRegion = null;
}
void ApplyActionToRegion(ToggleCell[,] cells, Action<ToggleCell> action)
{
var startx = Grid.GetColumn(TopLeft) - 1;
var endx = Grid.GetColumn(BottomRight) - 1;
var starty = Grid.GetRow(TopLeft) - 1;
var endy = Grid.GetRow(BottomRight) - 1;
for (var x = startx; x <= endx; x++)
{
for (var y = starty; y <= endy; y++)
{
action(cells[y, x]);
}
}
}
public void SetVisualStates(ToggleCell[,] cells, string state)
{
ApplyActionToRegion(cells, (cell) => VisualStateManager.GoToState(cell, state, true));
}
public void ApplySelection(ToggleCell[,] cells, bool select)
{
ApplyActionToRegion(cells, (cell) =>
{
VisualStateManager.GoToState(cell, "NoDrag", true);
VisualStateManager.GoToState(cell, "Normal", true);
cell.Selected = select;
});
}
public CellRegion(ToggleCell[,] cells, ToggleCell first, ToggleCell second)
{
var firstx = Grid.GetColumn(first) - 1;
var secondx = Grid.GetColumn(second) - 1;
var firsty = Grid.GetRow(first) - 1;
var secondy = Grid.GetRow(second) - 1;
var minx = Math.Min(firstx, secondx);
var miny = Math.Min(firsty, secondy);
var maxx = Math.Max(firstx, secondx);
var maxy = Math.Max(firsty, secondy);
TopLeft = cells[miny, minx];
BottomRight = cells[maxy, maxx];
}
void TimeGrid_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
var element = sender as ToggleCell;
if (element == null) return;
_dragSource = element;
_dragSource.Selected = !_dragSource.Selected;
_mouseDragStart = e.GetPosition(this);
}