public DragItemsAdorner(Canvas designerCanvas, List <ContentPresenter> contentPresenters, List <Rect> thumbRects, Point startPoint) : base(designerCanvas)
{
this._designerCanvas = designerCanvas;
this._tabViewModel = this._designerCanvas.DataContext as SchemeTabViewModel;
this._contentPresenters = contentPresenters;
this._thumbRects = thumbRects;
this._dragStartPoint = startPoint;
this._dragCanvas = new Canvas
{
Height = this._designerCanvas.Height,
Width = this._designerCanvas.Width,
Opacity = 0.5
};
foreach (var rect in this._thumbRects)
{
var rectangle = new Rectangle();
rectangle.Height = rect.Height;
rectangle.Width = rect.Width;
Canvas.SetLeft(rectangle, rect.Left);
Canvas.SetTop(rectangle, rect.Top);
rectangle.Stroke = Brushes.Gray;
rectangle.Fill = Brushes.Transparent;
this._dragCanvas.Children.Add(rectangle);
}
}
protected override void OnAttached()
{
this.DesignerCanvas = AssociatedObject;
this.TabViewModel = this.DesignerCanvas.DataContext as SchemeTabViewModel;
if (this.TabViewModel != null)
{
this.TabViewModel.SelfBehavior = this;
var adornerLayer = AdornerLayer.GetAdornerLayer(this.DesignerCanvas);
if (adornerLayer != null)
{
var designerCanvasAdorner = new DesignerCanvasAdorner(this.DesignerCanvas, this.TabViewModel)
{
IsHitTestVisible = false
};
adornerLayer.Add(designerCanvasAdorner);
}
}
var outerGrid = this.GetOuterGrid(this.DesignerCanvas);
if (outerGrid != null)
{
this._scaleTransform = new ScaleTransform();
UpdateScaleTransform();
outerGrid.LayoutTransform = this._scaleTransform;
}
this.DesignerCanvas.MouseDown += this.OnMouseDown;
this.DesignerCanvas.MouseMove += this.OnMouseMove;
this.DesignerCanvas.MouseUp += this.OnMouseUp;
this.DesignerCanvas.Drop += this.OnDrop;
base.OnAttached();
}
protected override void OnAttached()
{
base.OnAttached();
this._sinkArea = AssociatedObject;
this._sinkArea.MouseLeftButtonDown += this.SinkAreaOnMouseLeftButtonDown;
this._sinkArea.MouseMove += this.SinkAreaOnMouseMove;
this._sinkArea.MouseLeftButtonUp += this.SinkAreaOnMouseLeftButtonUp;
this.Connector = AssociatedObject.DataContext as ConnectorViewModel;
this._connectionViewModel = Connector.Connection;
this._designerCanvas = CommonHelper.GetDesignerCanvas(this._sinkArea);
this._tabViewModel = this._designerCanvas.DataContext as SchemeTabViewModel;
this._dragEnter = false;
if (VisualTreeHelper.GetParent(this._sinkArea) is Canvas parent)
{
this._connectionPath = parent.Children.OfType <Path>().First(p => p.Name == PATH_NAME);
if (this._connectionPath != null)
{
this._connectionPath.PreviewMouseLeftButtonDown += this.OnPreviewLeftMouseDown;
}
}
}
public RubberbandAdorner(DesignerCanvasBehavior dcb, SchemeTabViewModel schemeTabViewModel) : base(dcb.DesignerCanvas)
{
this._designerCanvasBehavior = dcb;
this._schemeTabViewModel = schemeTabViewModel;
this._startPoint = dcb.RubberbandSelectionStartPoint;
this._rubberbandPen = new Pen(Brushes.LightSlateGray, 1)
{
DashStyle = new DashStyle(new double[] { 2 }, 1)
};
}
public ConnectorAdorner(Canvas designer, ConnectorViewModel sourceConnectorViewModel) : base(designer)
{
this._designerCanvas = designer;
this._schemeTabViewModel = this._designerCanvas.DataContext as SchemeTabViewModel;
this._sourceConnector = sourceConnectorViewModel;
this._drawingPen = new Pen(Brushes.LightSlateGray, 1)
{
LineJoin = PenLineJoin.Round,
DashStyle = new DashStyle(new List <double> {
8, 3
}, 0)
};
Cursor = Cursors.Cross;
this._pathGeometry = new PathGeometry();
_pathPoints = new List <Point>();
}
protected override void OnAttached()
{
base.OnAttached();
AssociatedObject.MouseMove += this.OnMouseMove;
AssociatedObject.PreviewMouseDown += this.OnPreviewMouseDown;
AssociatedObject.MouseDoubleClick += this.OnMouseDoubleClick;
this._currentItemContent = AssociatedObject.DataContext as LogicElementViewModel; //VM текущего элемента
if (this._currentItemContent == null)
{
return;
}
this._designerCanvas = CommonHelper.GetDesignerCanvas(AssociatedObject); //Canvas, на котором отображаются элементы
if (this._designerCanvas != null)
{
this._tabViewModel = this._designerCanvas.DataContext as SchemeTabViewModel;// VM текущей вкладки схемы
}
this._contentPresenters = new List <ContentPresenter>();
this._thumbRects = new List <Rect>();
}
protected override void OnAttached()
{
base.OnAttached();
if (AssociatedObject.Visibility == Visibility.Collapsed)
{
return;
}
this._isDrag = false;
AssociatedObject.MouseLeftButtonDown += this.OnPreviewMouseLeftButtonDown;
AssociatedObject.MouseMove += this.OnMouseMove;
AssociatedObject.MouseLeftButtonUp += this.OnMouseLeftButtonUp;
AssociatedObject.Loaded += this.OnBorderLoaded;
this._designerCanvas = CommonHelper.GetDesignerCanvas(AssociatedObject);
this._tabViewModel = this._designerCanvas.DataContext as SchemeTabViewModel;
this._connectorViewModel = (ConnectorViewModel)AssociatedObject.DataContext;
}
public DesignerCanvasAdorner(Canvas designerCanvas, SchemeTabViewModel schemeTabViewModel) : base(designerCanvas)
{
this._schemeTabViewModel = schemeTabViewModel;
this._rectPen = new Pen(Brushes.Black, 1);
this._gridPen = new Pen(Brushes.Black, 0.1);
}
