public async void ZoomCanvas(double zoomMultiplicator)
{
double oldCenterX = HexMapCenterX;
double oldCenterY = HexMapCenterY;
GetHexMapCanvasDimensionsRequestMessage msg = new GetHexMapCanvasDimensionsRequestMessage();
var result = await Messenger.Default.SendAsync(msg);
double oldHexMapCanvasWidth = result.Result.Item1;
double oldHexMapCanvasHeight = result.Result.Item2;
double oldHexMapCanvasX = oldHexMapCanvasWidth / 2;
double oldHexMapCanvasY = oldHexMapCanvasHeight / 2;
double xMove = oldCenterX - oldHexMapCanvasX;
double yMove = oldCenterY - oldHexMapCanvasY;
CellRadius = CellRadius * zoomMultiplicator;
foreach (var hexViewModel in ListHexViewModel)
{
hexViewModel.UpdateCellRadius(CellRadius);
}
HexMapCenterX = HexMapDrawingHelper.GetRedrawnHexMapXCenter(CellRadius, Columns);
HexMapCenterY = HexMapDrawingHelper.GetRedrawnHexMapYCenter(CellRadius, Columns, Rows);
CenterHexMap();
MoveCanvas(xMove * zoomMultiplicator, yMove * zoomMultiplicator);
}
public override async void ApplyModel(HexMapModel hexMapModel)
{
GetHexMapCanvasDimensionsRequestMessage msg = new GetHexMapCanvasDimensionsRequestMessage();
var result = await Messenger.Default.SendAsync(msg);
double hexMapCanvasWidth = result.Result.Item1;
double hexMapCanvasHeight = result.Result.Item2;
double cellRadius = HexMapDrawingHelper.GetCellRadius(hexMapCanvasHeight, hexMapCanvasWidth, hexMapModel.Columns, hexMapModel.Rows);
CellRadius = cellRadius;
Columns = hexMapModel.Columns;
Rows = hexMapModel.Rows;
foreach (var hexViewModel in ListHexViewModel)
{
hexViewModel.UnsubscribePolygonEvents();
}
ListHexViewModel.Clear();
ListUIElement.Clear();
foreach (var hexModel in hexMapModel.ListHexModel)
{
var hexViewModel = new HexViewModel();
hexViewModel.ApplyModel(hexModel);
hexViewModel.InitializeCellRadius(CellRadius);
ListHexViewModel.Add(hexViewModel);
foreach (UIElement uiElement in hexViewModel.GetAllUIElements())
{
ListUIElement.Add(uiElement);
}
}
HexMapCenterX = HexMapDrawingHelper.GetRedrawnHexMapXCenter(CellRadius, Columns);
HexMapCenterY = HexMapDrawingHelper.GetRedrawnHexMapYCenter(CellRadius, Columns, Rows);
CenterHexMap();
}