public override void SelectionChanged()
{
((ScaleControl)Control).ResetValue();
if (MainTool.GetSelectedPoints().Any())
{
ResetOrigin(null);
}
}
public override void DragMove(Coordinate distance)
{
_state = VMState.Moving;
// Move each selected point by the delta value
foreach (var p in MainTool.GetSelectedPoints())
{
p.Move(distance);
}
//MainTool.SetDirty(false, false);
}
private void MovePoints(decimal value)
{
var o = _origin.Coordinate;
// Move each selected point by the computed offset from the origin
foreach (var p in MainTool.GetSelectedPoints())
{
var orig = _originals[p];
var diff = orig - o;
var move = o + diff * value / 100;
p.Move(move - p.Coordinate);
}
MainTool.SetDirty(false, true);
}
private void MovePoints(decimal value, bool relative)
{
var o = _origin.Coordinate;
// Move each selected point by the computed offset from the origin
foreach (var p in MainTool.GetSelectedPoints())
{
var orig = _originals[p];
var diff = orig - o;
var direction = diff.Normalise();
var move = relative ? o + diff * value / 100 : orig + direction * value;
p.Move(move - p.Coordinate);
}
MainTool.SetDirty(false, true);
}
public override void KeyDown(ViewportBase viewport, ViewportEvent e)
{
var nudge = GetNudgeValue(e.KeyCode);
var vp = viewport as Viewport2D;
var sel = MainTool.GetSelectedPoints();
if (nudge != null && vp != null && _state == VMState.None && sel.Any())
{
var translate = vp.Expand(nudge);
foreach (var p in sel)
{
p.Move(translate);
}
CheckMergedVertices();
}
}
private void ResetOrigin(object sender)
{
var points = MainTool.GetSelectedPoints().Select(x => x.Coordinate).ToList();
if (!points.Any())
{
points = MainTool.Points.Where(x => !x.IsMidPoint).Select(x => x.Coordinate).ToList();
}
if (!points.Any())
{
_origin.Coordinate = Coordinate.Zero;
}
else
{
_origin.Coordinate = points.Aggregate(Coordinate.Zero, (a, b) => a + b) / points.Count;
}
}