/// <summary>
/// Delete current widget from grid.
/// Then widgets are realigned, if deleted widget was alone on its row.
/// </summary>
public void DeleteTile(TileWrapper tile)
{
_tiles.Remove(tile);
_tilesCanvas.DeleteElement(tile);
RealignTiles();
WriteTilesSettings();
}
/// <summary>
/// add widget to internal collection
/// and calc widget screen coordinates
/// </summary>
protected TileWrapper AddTile(TileWrapper tile, bool doRealign)
{
// draw tile when adding
tile.Draw(null);
_tiles.Add(tile);
_tilesCanvas.AddElement(tile);
if (doRealign)
{
RealignTiles();
}
tile.TapHandler = p => TileClickAt(p, tile);
tile.HoldHandler = p => TileHoldAt(p, tile);
return tile;
}
/// <summary>
/// move selected tile to new location
/// </summary>
/// <param name="movingTile"> </param>
/// <param name="location"> </param>
private void MoveTileTo(TileWrapper movingTile, Point location)
{
var targetCell = GetTileCell(location);
// if widget doesn't fit to new position by width, do not do anything
if (targetCell.X + movingTile.GridSize.Width > _gridWidth)
targetCell.X = _gridWidth - movingTile.GridSize.Width;
//return;
var targetCellIsEmpty = false;
while (!targetCellIsEmpty)
{
object[,] cells = new object[_gridHeight, _gridWidth];
foreach (TileWrapper wsInfo in _tiles)
{
if (wsInfo != movingTile)
for (int y = 0; y < wsInfo.GridSize.Height; y++)
for (int x = 0; x < wsInfo.GridSize.Width; x++)
cells[wsInfo.GridPosition.Y + y, wsInfo.GridPosition.X + x] = wsInfo;
}
targetCellIsEmpty = true;
for (int y = targetCell.Y; y < Math.Min(targetCell.Y + movingTile.GridSize.Height, 100); y++)
for (int x = targetCell.X; x < Math.Min(targetCell.X + movingTile.GridSize.Width, _gridWidth); x++)
if ((cells[y, x] != null) && (!cells[y, x].Equals(movingTile)))
{
targetCellIsEmpty = false;
break;
}
if (!targetCellIsEmpty)
{
foreach (TileWrapper wsInfo in _tiles)
{
if ((wsInfo.GridPosition.Y + wsInfo.GridSize.Height - 1) >= targetCell.Y)
wsInfo.GridPosition = new Point(wsInfo.GridPosition.X, wsInfo.GridPosition.Y + 1);
}
}
}
movingTile.GridPosition = targetCell;
RealignTiles();
}
private IAnimation GetExitAnimation(TileWrapper target)
{
var random = new Random();
return new FunctionBasedAnimation(FunctionBasedAnimation.Functions.Linear)
{
Duration = AnimationDuration,
To = -target.Size.Width - random.Next(1000),
From = target.Location.X,
OnAnimation = v => target.Location = new Point(v, target.Location.Y),
OnAnimationStop = () => { target.ExitAnimation = null; },
};
}
private IAnimation GetEntranceAnimation(TileWrapper target)
{
var random = new Random();
var x = target.GetScreenRect().Left; // here use GetScreenRect instead Bounds because real coords are wrong
return new FunctionBasedAnimation(FunctionBasedAnimation.Functions.Linear)
{
Duration = AnimationDuration,
From = x - 1000 + random.Next(1000 - x - 173),
To = x,
OnAnimation = v => target.Location = new Point(v, target.Location.Y),
OnAnimationStop = () => { target.EntranceAnimation = null; },
};
}
/// <summary>
/// Click at tile handler
/// </summary>
/// <param name="location"></param>
/// <param name="tile"> </param>
private bool TileClickAt(Point location, TileWrapper tile)
{
// if Move mode is enabled, place selected widget to the new position
// if we click at moving widget, exit from move mode
if (SelectionMode)
{
// if click at moving tile - exit from moving mode
// if click at another tile - change moving tile to selected
SelectedTile = (tile == SelectedTile) ? null : tile;
return true;
}
// if tile launches external program, start exit animation for visible tiles
if (tile.Tile.DoExitAnimation)
{
Active = false;
_launching = true;
_tilesCanvas.AnimateExit();
}
var clickResult = tile.OnClick(location);
// if tile's onClick action failed, play back entrance animation
if ((tile.Tile.DoExitAnimation) && (!clickResult))
{
// when page activate it plays entrance animation
Active = true;
}
return true;
}
/// <summary>
/// Long tap handler - entering to customizing mode
/// </summary>
private bool TileHoldAt(Point location, TileWrapper tile)
{
if (ParentControl == null)
return false;
SelectedTile = null;
var tileMenu = new ContextMenu();
var menuTileEdit = new MenuItem { Text = "Edit".Localize() };
menuTileEdit.Click += (s, e) => ShowTileSettings(tile);
tileMenu.MenuItems.Add(menuTileEdit);
var menuTileMove = new MenuItem { Text = "Move".Localize() };
menuTileMove.Click += (s, e) => { SelectedTile = tile; };
tileMenu.MenuItems.Add(menuTileMove);
var menuTileDelete = new MenuItem { Text = "Delete".Localize() };
menuTileDelete.Click += (s, e) => DeleteTile(tile);
tileMenu.MenuItems.Add(menuTileDelete);
var position = ScreenRoutines.ScreenLocaton(tile);
position.Offset(location.X, location.Y);
tileMenu.Show(ParentControl, position.ToPixels());
return true;
}