private void Draw()
{
var point = _controller.Value;
var mapSettings = _mapSettingsController.Value;
var mapPoint = CalculatePointHelper.ToMapPoint(mapSettings, point);
Text = $"{point.X}, {point.Y} ({mapPoint.X}, {mapPoint.Y})\n[{mapSettings.Scale}] {mapSettings.PointLeftTop.X} {mapSettings.PointLeftTop.Y}";
}
private bool CanMove(SKPoint controlPosition)
{
var mapPoint = CalculatePointHelper.ToMapPoint(MapSettings, controlPosition);
var radius = CalculatePointHelper.ToMapDistance(_mapSettingsController.Value, SelectRadius);
var elements = _selectableObjects.GetElements(mapPoint, radius);
return(!elements.Any());
}
public override bool OnMouseDown(MouseButtonEventArgs mouseButtonEventArgs, SKPoint controlPosition)
{
if (mouseButtonEventArgs.ChangedButton != MouseButton.Middle ||
mouseButtonEventArgs.ButtonState != MouseButtonState.Pressed)
{
return(false);
}
IsRun = _mapMoveOperation.Start(
controlPosition,
CalculatePointHelper.ToMapPoint(_mapSettingsController.Value, controlPosition)
);
_logger.LogInformation("MouseOperationMapMove OnMouseDown IsRun: {IsRun}", IsRun);
return(IsRun);
}
private void Draw(SKCanvas canvas, int width, int height)
{
var pointMapLT = CalculatePointHelper.ToMapPoint(MapSettings, new SKPoint(0, 0));
var pointMapRB = CalculatePointHelper.ToMapPoint(MapSettings, new SKPoint(width, height));
var drawRect = new SKRect(
pointMapLT.X,
pointMapLT.Y,
pointMapRB.X,
pointMapRB.Y
);
_layerManager.Layers
.ToList()
.ForEach(v => v.Draw(canvas, drawRect));
}
public override bool OnMouseMove(MouseEventArgs mouseEventArgs, SKPoint controlPosition)
{
IsRun = IsRun && (mouseEventArgs.MiddleButton == MouseButtonState.Pressed);
_logger.LogInformation("MouseOperationMapMove OnMouseMove IsRun: {IsRun}", IsRun);
_logger.LogInformation("_mapMoveOperation IsRun: {IsRun}", _mapMoveOperation.IsRun);
if (!_mapMoveOperation.IsRun)
{
return(false);
}
if (mouseEventArgs.MiddleButton != MouseButtonState.Pressed || !IsRun)
{
return(_mapMoveOperation.Stop(
controlPosition,
CalculatePointHelper.ToMapPoint(_mapSettingsController.Value, controlPosition)
));
}
return(_mapMoveOperation.Change(
controlPosition,
CalculatePointHelper.ToMapPoint(_mapSettingsController.Value, controlPosition)
));
}
public override bool OnMouseUp(MouseButtonEventArgs mouseButtonEventArgs, SKPoint controlPosition)
{
if (!IsRun ||
mouseButtonEventArgs.ChangedButton != MouseButton.Left ||
mouseButtonEventArgs.ButtonState != MouseButtonState.Released)
{
return(false);
}
var mapPoint = CalculatePointHelper.ToMapPoint(MapSettings, controlPosition);
var radius = CalculatePointHelper.ToMapDistance(MapSettings, SelectRadius);
var selectedObject = _selectableController.Value.FirstOrDefault();
var intersectObjects = _selectableObjects.GetElements(mapPoint, radius);
if (!intersectObjects.Any() || intersectObjects.Count == 1 && intersectObjects.First() == selectedObject)
{
_selectableController.ClearSelect();
}
else
{
var index = intersectObjects.IndexOf(selectedObject);
if (index == -1 || intersectObjects.Count == index + 1)
{
_selectableController.Select(intersectObjects.First());
}
else
{
_selectableController.Select(intersectObjects.ElementAt(index + 1));
}
}
_subOperation?.Stop();
End(controlPosition);
return(true);
}
public SKPoint ToMapPoint(SKPoint controlPoint)
{
return(CalculatePointHelper.ToMapPoint(MapSettings, controlPoint));
}