/// <summary>
/// Move selected shapes to new location.
/// </summary>
/// <param name="x">The X coordinate of point.</param>
/// <param name="y">The Y coordinate of point.</param>
private void MoveSelectionCacheTo(double x, double y)
{
double sx = _editor.Project.Options.SnapToGrid ? ProjectEditor.Snap(x, _editor.Project.Options.SnapX) : x;
double sy = _editor.Project.Options.SnapToGrid ? ProjectEditor.Snap(y, _editor.Project.Options.SnapY) : y;
double dx = sx - _startX;
double dy = sy - _startY;
_startX = sx;
_startY = sy;
if (_pointsCache != null)
{
ProjectEditor.MoveShapesBy(_pointsCache, dx, dy);
}
if (_shapesCache != null)
{
ProjectEditor.MoveShapesBy(_shapesCache, dx, dy);
}
}
/// <inheritdoc/>
public override void LeftUp(double x, double y)
{
base.LeftUp(x, y);
switch (_currentState)
{
case ToolState.None:
break;
case ToolState.One:
{
if (_editor.IsSelectionAvailable())
{
double sx = _editor.Project.Options.SnapToGrid ? ProjectEditor.Snap(x, _editor.Project.Options.SnapX) : x;
double sy = _editor.Project.Options.SnapToGrid ? ProjectEditor.Snap(y, _editor.Project.Options.SnapY) : y;
if (_historyX != sx || _historyY != sy)
{
double dx = sx - _historyX;
double dy = sy - _historyY;
var previous = new
{
DeltaX = -dx,
DeltaY = -dy,
Points = _pointsCache,
Shapes = _shapesCache
};
var next = new
{
DeltaX = dx,
DeltaY = dy,
Points = _pointsCache,
Shapes = _shapesCache
};
_editor.Project?.History?.Snapshot(previous, next,
(state) =>
{
if (state.Points != null)
{
ProjectEditor.MoveShapesBy(state.Points, state.DeltaX, state.DeltaY);
}
if (state.Shapes != null)
{
ProjectEditor.MoveShapesBy(state.Shapes, state.DeltaX, state.DeltaY);
}
});
}
DisposeMoveSelectionCache();
_currentState = ToolState.None;
_editor.CancelAvailable = false;
break;
}
if (_rectangle != null)
{
_rectangle.BottomRight.X = x;
_rectangle.BottomRight.Y = y;
_editor.Project.CurrentContainer.WorkingLayer.Shapes = _editor.Project.CurrentContainer.WorkingLayer.Shapes.Remove(_rectangle);
_editor.Project.CurrentContainer.WorkingLayer.Invalidate();
_currentState = ToolState.None;
_editor.TryToSelectShapes(_editor.Project.CurrentContainer.CurrentLayer, _rectangle);
_editor.CancelAvailable = false;
}
}
break;
}
}
