コード例 #1
0
        public override void Abort()
        {
            _preferredPlacements = null;
            CurrentEditor.ReleaseMouseCapture();

            CurrentAdorner = null;
            Target = null;
            MouseIsDown = false;
            IsDrawing = false;
            CurrentStatus = DefaultStatusText;
        }
コード例 #2
0
 private void RemoveRingAdorner()
 {
     if (_currentAdorner != null)
     {
         var layer = AdornerLayer.GetAdornerLayer(CurrentEditor);
         layer.Remove(_currentAdorner);
         _currentAdorner.MouseLeftButtonDown -= _currentAdorner_MouseLeftButtonDown;
         _currentAdorner.MouseLeftButtonUp -= _currentAdorner_MouseLeftButtonUp;
         _currentAdorner.PreviewKeyDown -= CurrentAdorner_KeyDown;
         _currentAdorner.MouseMove -= _currentAdorner_MouseMove;
         _currentAdorner = null;
     }
 }
コード例 #3
0
 protected override void OnDetaching()
 {
     CurrentAdorner = null;
     CurrentEditor.MouseLeftButtonDown -= CurrentEditor_MouseLeftButtonDown;
     CurrentEditor.MouseMove -= CurrentEditor_MouseMove;
     CurrentEditor.MouseLeftButtonUp -= CurrentEditor_MouseLeftButtonUp;
     CurrentEditor.PreviewKeyDown -= CurrentEditor_KeyDown;
     CurrentEditor = null;
     if (_parent != null)
     {
         _parent.MouseLeftButtonDown -= CurrentEditor_MouseLeftButtonDown;
     }
     _parent = null;
 }
コード例 #4
0
        private void CurrentEditor_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
        {
            if (MouseIsDown)
            {
                if (_preferredPlacements != null)
                {
                    List<NewAtomPlacement> newAtomPlacements = new List<NewAtomPlacement>();
                    FillExistingAtoms(_preferredPlacements, newAtomPlacements, CurrentEditor);
                    EditViewModel.DrawRing(newAtomPlacements, false);
                }
            }
            CurrentEditor.ReleaseMouseCapture();

            CurrentAdorner = null;
            Target = null;
            MouseIsDown = false;
            IsDrawing = false;
            CurrentStatus = DefaultStatusText;
        }
コード例 #5
0
        private void CurrentEditor_MouseMove(object sender, MouseEventArgs e)
        {
            CurrentPoint = e.GetPosition(CurrentEditor);
            //check to see whether we've dragged off the target first
            if (MouseIsDown & IsDrawing)
            {
                CurrentStatus = "Drag along arrow to size ring: [Esc] to cancel";
                double xamlBondSize = EditViewModel.Model.XamlBondLength;
                if (Target != null & GetTargetedVisual(e) != Target) //dragging off a bond or atom
                {
                    //first, work out how far we've dragged the mouse

                    switch (Target)
                    {
                        case AtomVisual av:

                            RingSize = GetRingSize(av, CurrentPoint, xamlBondSize);
                            IdentifyPlacements(av.ParentAtom, xamlBondSize, out _preferredPlacements, RingSize);
                            if (_preferredPlacements != null)
                            {
                                Vector parallelToBV =
                                    GetProjection(av.ParentAtom.BalancingVector(), av.Position, CurrentPoint);
                                Point endPoint = av.Position + parallelToBV;
                                CurrentAdorner = new NRingAdorner(CurrentEditor, EditViewModel.EditBondThickness,
                                                                  _preferredPlacements, av.Position, endPoint);
                            }

                            break;

                        case BondVisual bv:
                            RingSize = GetRingSizeFromEdge(bv, CurrentPoint);
                            Vector perpToBV =
                                GetProjection(bv.ParentBond.BondVector.Perpendicular(), bv.ParentBond.MidPoint, CurrentPoint);

                            IdentifyPlacements(bv.ParentBond, out _preferredPlacements, RingSize, perpToBV);
                            if (_preferredPlacements != null)
                            {
                                Vector? perpToAV = bv.ParentBond.GetUncrowdedSideVector();
                                if (perpToAV != null)
                                {
                                    var parentBondMidPoint = bv.ParentBond.MidPoint;
                                    Vector parallelToPerp =
                                        GetProjection(perpToAV.Value, parentBondMidPoint, CurrentPoint);
                                    Point endPoint = parentBondMidPoint + parallelToPerp;
                                    CurrentAdorner = new NRingAdorner(CurrentEditor, EditViewModel.EditBondThickness,
                                                                  _preferredPlacements,
                                                                  parentBondMidPoint, endPoint);
                                }
                                else
                                {
                                    CurrentAdorner = null;
                                }
                            }
                            else
                            {
                                CurrentAdorner = null;
                            }
                            break;
                    }
                }
                else if (Target == null) //dragging in empty space
                {
                    RingSize = GetRingSize(FirstPoint, CurrentPoint, xamlBondSize);
                    _preferredPlacements = MarkOutAtoms(FirstPoint, CurrentPoint - FirstPoint,
                                                        xamlBondSize, RingSize);
                    CurrentAdorner = new NRingAdorner(CurrentEditor, EditViewModel.EditBondThickness,
                                                      _preferredPlacements, FirstPoint, CurrentPoint);
                }
                else
                {
                    switch (CurrentEditor.ActiveVisual)
                    {
                        case AtomVisual av:
                            CurrentStatus = "Drag from atom to size ring.";
                            break;

                        case BondVisual bv:
                            CurrentStatus = "Drag from bond to size ring.";
                            break;

                        default:
                            CurrentStatus = DefaultStatusText;
                            break;
                    }
                }
            }
        }