/// <summary>
/// Constructor for the Visual class.
/// </summary>
/// <param name="mainWindow">Application's main window</param>
public Visual(MainWindow mainWindow)
{
this.mainWindow = mainWindow;
canvas = mainWindow.MainCanvas;
VertexSize = 25.0;
GraphMode = GraphMode.DraggingMode;
ViewWindow = new ViewWindow(this);
ViewWindow.Canvas = canvas;
ViewWindow.MarginLength = 4.0 * VertexSize;
addedEdge = new Line
{
Stroke = edgeBrush,
StrokeThickness = VertexSize / verticeToEdgeRatio,
Visibility = Visibility.Hidden,
};
canvas.Children.Add(addedEdge);
Canvas.SetZIndex(addedEdge, 1);
selectionBox = new Rectangle
{
Visibility = Visibility.Collapsed,
Stroke = new SolidColorBrush(selectionBoxColor),
StrokeThickness = 1,
};
canvas.Children.Add(selectionBox);
canvas.MouseDown += CanvasMouseDown;
canvas.MouseUp += CanvasMouseUp;
canvas.MouseUp += MouseUp;
canvas.MouseMove += MouseMove;
canvas.MouseLeave += MouseUp;
canvas.MouseWheel += MouseZoom;
}
